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Precision BioSciences, Inc.

dtil · NASDAQ Healthcare
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FY2021 Annual Report · Precision BioSciences, Inc.
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 10-K

(Mark One)
☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2021

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                      to

Commission File Number 001-38841

Precision BioSciences, Inc.

(Exact name of registrant as specified in its charter)

Delaware
(State or other jurisdiction of
incorporation or organization)

302 East Pettigrew St., Suite A-100
Durham, North Carolina
(Address of principal executive offices)

20-4206017
(I.R.S. Employer
Identification No.)

27701
(Zip Code)

Registrant’s telephone number, including area code: (919) 314-5512

Securities registered pursuant to Section 12(b) of the Act:

Title of each class
Common Stock, par value $0.000005 per share

Trading Symbol(s)
DTIL

Name of each exchange on which registered
The Nasdaq Global Select Market

Securities registered pursuant to Section 12(g) of the Act: None
Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. YES ☐ NO ☒

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act.  YES ☐ NO ☒

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding
12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  YES ☒ NO ☐
Indicate by check mark whether the Registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of
this chapter) during the preceding 12 months (or for such shorter period that the Registrant was required to submit such files).  YES ☒ NO ☐
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company.
See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer

Non-accelerated filer

 ☐

 ☐

   Accelerated filer

   Smaller reporting company

  Emerging growth company

 ☒

 ☐

 ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial
accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐
Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section
404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. YES ☐ NO ☒

Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Act).  YES ☐ NO ☒
The aggregate market value of the voting and non-voting common equity held by non-affiliates of the Registrant, based on the closing price of the shares of common stock on The Nasdaq Global
Select Market on June 30, 2021, was $663.5 million.
The number of shares of Registrant’s common stock outstanding as of March 8, 2022 was 61,038,270.

DOCUMENTS INCORPORATED BY REFERENCE

None.

Auditor Firm Id:

34

Auditor Name:

Deloitte & Touche LLP

Auditor Location:

Raleigh, North Carolina

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
PART I
Item 1.
Item 1A.
Item 1B.
Item 2.
Item 3.
Item 4.

PART II
Item 5.
Item 6.
Item 7.
Item 7A.
Item 8.
Item 9.
Item 9A.
Item 9B.
Item 9C.

PART III
Item 10.
Item 11.
Item 12.
Item 13.
Item 14.

PART IV
Item 15.
Item 16.

Table of Contents

Business
Risk Factors
Unresolved Staff Comments
Properties
Legal Proceedings
Mine Safety Disclosures

Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities
[Reserved]
Management’s Discussion and Analysis of Financial Condition and Results of Operations
Quantitative and Qualitative Disclosures About Market Risk
Financial Statements and Supplementary Data
Changes in and Disagreements with Accountants on Accounting and Financial Disclosure
Controls and Procedures
Other Information
Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

Directors, Executive Officers and Corporate Governance
Executive Compensation
Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters
Certain Relationships and Related Transactions, and Director Independence
Principal Accounting Fees and Services

Exhibits and Financial Statement Schedules
Form 10-K Summary

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FORWARD-LOOKING STATEMENTS

This Annual Report on Form 10-K contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. We
intend such forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in Section 27A of the
Securities Act of 1933, as amended (the “Securities Act”) and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). All
statements other than statements of present and historical facts contained in this Annual Report on Form 10-K, including without limitation, statements
regarding our future results of operations and financial position, business strategy and approach, including related results, prospective products, planned
preclinical studies and clinical trials, or discontinuance thereof, the status and results of our preclinical and clinical studies, including, the potential of our
product candidates, if approved, to become best-in-class or first-in-class, expected release of interim data, expectations regarding our allogeneic chimeric
antigen receptor T cell immunotherapy product candidates, expectations regarding the use and effects of ARCUS, including in connection with in vivo
genome editing, potential new partnerships or alternative opportunities for our product candidates, capabilities of our manufacturing facility, potential new
application filings and regulatory approvals, research and development costs, timing, expected results and likelihood of success, plans and objectives of
management for future operations, as well as the impact of the COVID-19 pandemic and variants thereof may be forward-looking statements. Without
limiting the foregoing, in some cases, you can identify forward-looking statements by terms such as “aim,” “may,” “will,” “should,” “expect,” “exploring,”
“plan,” “anticipate,” “could,” “intend,” “target,” “project,” “contemplate,” “believe,” “estimate,” “predict,” “potential,” “seeks,” or “continue” or the
negative of these terms or other similar expressions, although not all forward-looking statements contain these words. No forward-looking statement is a
guarantee of future results, performance, or achievements, and one should avoid placing undue reliance on such statements.

Forward-looking statements are based on our management’s beliefs and assumptions and on information currently available to us. Such beliefs and
assumptions may or may not prove to be correct. Additionally, such forward-looking statements are subject to a number of known and unknown risks,
uncertainties and assumptions, and actual results may differ materially from those expressed or implied in the forward-looking statements due to various
factors, including, but not limited to, those identified in Part I. Item 1A. “Risk Factors” and Part II. Item 7. “Management’s Discussion and Analysis of
Financial Condition and Results of Operations.” These risks and uncertainties include, but are not limited to:

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our ability to become profitable;

our ability to procure sufficient funding and requirements under our current debt instruments and effects of restrictions thereunder;

risks associated with raising additional capital;

our operating expenses and our ability to predict what those expenses will be;

our limited operating history;

the success of our programs and product candidates in which we expend our resources;

our dependence on our ARCUS technology;

the risk that other genome-editing technologies may provide significant advantages over our ARCUS technology;

the initiation, cost, timing, progress, achievement of milestones and results of research and development activities and preclinical and clinical
studies;

public perception about genome editing technology and its applications;

competition in the genome editing, biopharmaceutical, and biotechnology fields;

our or our collaborators’ ability to identify, develop and commercialize product candidates;

pending and potential liability lawsuits and penalties against us or our collaborators related to our technology and our product candidates;

the U.S. and foreign regulatory landscape applicable to our and our collaborators’ development of product candidates;

our or our collaborators’ ability to obtain and maintain regulatory approval of our product candidates, and any related restrictions, limitations
and/or warnings in the label of an approved product candidate;

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our or our collaborators’ ability to advance product candidates into, and successfully design, implement and complete, clinical trials;

potential manufacturing problems associated with the development or commercialization of any of our product candidates;

our ability to obtain an adequate supply of T cells from qualified donors;

our ability to achieve our anticipated operating efficiencies at our manufacturing facility;

delays or difficulties in our and our collaborators’ ability to enroll patients;

changes in interim “top-line” data that we announce or publish;

if our product candidates do not work as intended or cause undesirable side effects;

risks associated with applicable healthcare, data privacy and security regulations and our compliance therewith;

the rate and degree of market acceptance of any of our product candidates;

the success of our existing collaboration agreements and our ability to enter into new collaboration arrangements;

our current and future relationships with third parties including suppliers and manufacturers;

our ability to obtain and maintain intellectual property protection for our technology and any of our product candidates;

potential litigation relating to infringement or misappropriation of intellectual property rights;

our ability to effectively manage the growth of our operations;

our ability to attract, retain, and motivate key scientific and management personnel;

market and economic conditions;

effects of system failures and security breaches;

effects of natural and manmade disasters, public health emergencies and other natural catastrophic events;

effects of the COVID-19 pandemic and variants thereof, or any pandemic, epidemic, or outbreak of an infectious disease;

insurance expenses and exposure to uninsured liabilities;

effects of tax rules; and

risks related to ownership of our common stock, including fluctuations in our stock price.

Moreover, we operate in an evolving environment. New risk factors and uncertainties may emerge from time to time, and it is not possible for management
to predict all risk factors and uncertainties.

You should read this Annual Report on Form 10-K and the documents that we reference herein completely and with the understanding that our actual future
results may be materially different from what we expect. We qualify all of our forward-looking statements by these cautionary statements. All forward-
looking statements contained herein speak only as of the date of this Annual Report on Form 10-K. Except as required by applicable law, we do not plan to
publicly update or revise any forward-looking statements contained herein, whether as a result of any new information, future events, changed
circumstances or otherwise.

As used in this Annual Report on Form 10-K, unless otherwise stated or the context requires otherwise, references to “Precision,” the “Company,” “we,”
“us,” and “our,” refer to Precision BioSciences, Inc. and its subsidiaries on a consolidated basis.

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Our business is subject to numerous risks and uncertainties, including those described in Part I. Item 1A. “Risk Factors” in this Annual Report on Form 10-
K. You should carefully consider these risks and uncertainties when investing in our common stock. Some of the principal risks and uncertainties include
the following.

RISK FACTOR SUMMARY

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We have incurred significant operating losses since our inception and expect to continue to incur losses for the foreseeable future. We have not
been profitable and may not achieve or maintain profitability.

We will need substantial additional funding, and if we are unable to raise a sufficient amount of capital when needed on acceptable terms, or at
all, we may be forced to delay, reduce or eliminate some or all of our research programs, product development activities and commercialization
efforts.

We have a limited operating history, which makes it difficult to evaluate our current business and future prospects and may increase the risk of
your investment.

ARCUS is a novel technology, making it difficult to predict the time, cost and potential success of product candidate development. We have not
yet been able to assess the safety and efficacy of most of our product candidates in humans and have only limited safety and efficacy information
in humans to date regarding three of our product candidates.

We are heavily dependent on the successful development and translation of ARCUS, and due to the early stages of our product development
operations, we cannot give any assurance that any product candidates will be successfully developed and commercialized.

Adverse public perception of genome editing may negatively impact the developmental progress or commercial success of products that we
develop alone or with collaborators.

We face significant competition in industries experiencing rapid technological change, and there is a possibility that our competitors may achieve
regulatory approval before us or develop product candidates or treatments that are safer or more effective than ours, which may harm our
financial condition and our ability to successfully market or commercialize any of our product candidates.

Our future profitability, if any, will depend in part on our ability and the ability of our collaborators to commercialize any products that we or
our collaborators may develop in markets throughout the world. Commercialization of products in various markets could subject us to risks and
uncertainties.

Product liability lawsuits against us could cause us to incur substantial liabilities and could limit commercialization of any products that we
develop alone or with collaborators.

The regulatory landscape that will apply to development of therapeutic product candidates by us or our collaborators is rigorous, complex,
uncertain and subject to change, which could result in delays or termination of development of such product candidates or unexpected costs in
obtaining regulatory approvals.

Clinical trials are difficult to design and implement, expensive, time-consuming and involve an uncertain outcome, and the inability to
successfully and timely conduct clinical trials and obtain regulatory approval for our product candidates would substantially harm our business.

Any product candidates that we or our collaborators may develop will be novel and may be complex and difficult to manufacture, and if we
experience manufacturing problems, it could result in delays in development and commercialization of such product candidates or otherwise
harm our business.

Even if we obtain regulatory approval for any products that we develop alone or with collaborators, such products will remain subject to ongoing
regulatory requirements, which may result in significant additional expense.

Even if any product we develop alone or with collaborators receives marketing approval, such product may fail to achieve the degree of market
acceptance by physicians, patients, healthcare payors and others in the medical community necessary for commercial success.

The ongoing novel coronavirus disease, COVID-19 has impacted, and may continue to impact, our business, and any other pandemic, epidemic
or outbreak of an infectious disease may materially and adversely impact our business, including our preclinical studies and clinical trials.

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Item 1. Business.

PART I

We are a clinical stage gene editing company dedicated to improving life by developing ex vivo allogeneic CAR T immunotherapies and in vivo therapies
for genetic and infectious diseases with the application of our wholly owned proprietary ARCUS genome editing platform. The foundation of ARCUS is a
natural homing endonuclease which allows us to replicate precise gene editing as it evolved in nature. ARCUS is designed to be precise in its specificity
and versatile in its design for gene knock out as well as complex edits with gene insertion and gene repair. ARCUS is also unique in its relatively small size
which potentially allows delivery to a wider range of cells and tissues using viral and non-viral gene delivery methods.

We believe our chimeric antigen receptor (“CAR”) T cells are the only allogeneic CAR T cells in human clinical trials made with a single gene editing step
designed to specifically avoid the potentially deleterious effects of making multiple edits to T cells (as defined below). We are simultaneously conducting a
Phase 1/2a clinical trial evaluating PBCAR0191 as a potential first-in-class and a Phase 1 clinical trial evaluating PBCAR19B as, if approved, a potential
best-in-class CD19-targeting CAR T cell therapies in adult patients with relapsed or refractory (“R/R”), B-cell malignancies.

Made from donor-derived T cells modified using our ARCUS genome editing technology, PBCAR0191 recognizes the well characterized tumor cell
surface protein CD19, an important and validated target in several B-cell cancers. PBCAR0191 is designed to avoid graft-versus-host disease (“GvHD”), a
significant complication associated with donor-derived, cell-based therapies. We presented updated data from the PBCAR0191 study utilizing an enhanced
lymphodepletion regimen in December 2021 at the 63rd American Society of Hematology (“ASH”) Annual Meeting.

PBCAR19B is a novel immune-evading stealth cell candidate employing a single-gene edit in an effort to knock-down beta-2 microglobulin (“β2m”)
designed for evading T cell rejection, while also inserting a human leukocyte antigen E (“HLA-E”) transgene to further evade rejection from natural killer
cells. We initiated a clinical trial of PBCAR19B in patients with R/R non-Hodgkin lymphoma (“NHL”) in mid-2021 and completed dosing at Dose Level
one.  We plan to commence dosing at the next dose level with clinical trial material from an optimized manufacturing process once released and expect to
provide a program update in mid-2022.

In January 2021, we closed a development and license agreement with Eli Lilly and Company (“Lilly”) to discover and develop in vivo gene editing
product candidates incorporating our ARCUS nucleases. Lilly has initially nominated Duchenne muscular dystrophy (“DMD”), a genetic disease affecting
the muscles.  Lilly has also nominated a liver-directed target and a central nervous system (“CNS”) directed target and has the right to nominate up to three
additional gene targets over the first four years of the agreement. We will be responsible for conducting certain pre-clinical research and IND-enabling
activities with respect to such gene targets.

In April 2021, we entered into a program purchase agreement (the “Program Purchase Agreement”) with Les Laboratoires Servier (“Servier”), pursuant to
which we reacquired all of our global development and commercialization rights previously granted to Servier pursuant to a development and commercial
license agreement (as amended, the “Servier Agreement”), and mutually terminated the Servier Agreement.  This includes our two clinical stage CD19-
targeting allogeneic CAR T candidates, PBCAR0191 and PBCAR19B stealth cell, as well as four additional product targets.

In August 2021, we entered into a development and license agreement with iECURE, a mutation-agnostic in vivo gene editing company striving to cure
devastating diseases with high unmet need, under which iECURE plans to advance our PBGENE-PCSK9 candidate through preclinical activities as well as
a Phase 1 clinical trial for the treatment of familial hypercholesterolemia (“FH”) as partial consideration for a license to our PCSK9-directed ARCUS
nuclease to develop gene-insertion therapies for four other rare genetic diseases, including ornithine transcarbamylase (“OTC”) deficiency, Citrullinemia
Type 1, phenylketonuria (“PKU”), and another program focused on liver disease. We retain rights to PBGENE-PCSK9, including all products developed
for genetic indications with increased risk of severe cardiovascular events such as FH.

In September 2021, we entered into an exclusive license agreement (the “Tiziana Agreement”) with Tiziana Life Sciences (“Tiziana”) to evaluate
foralumab, a fully human anti-CD3 monoclonal antibody (“mAb”), as a lymphodepleting agent in conjunction with our allogeneic CAR T cells for the
potential treatment of cancers. This agreement reflects our ongoing pursuit of a potential best-in-class allogeneic CAR T cell therapy.

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In November 2021, we announced that we will not continue development of PBCAR20A based on data observed to date in a heterogeneous R/R NHL
population previously treated with anti-CD20 monoclonal antibodies, as treatment with PBCAR20A did not result in compelling response rates in a Phase
1/2a clinical study. While this study provided important information regarding allogeneic CAR T dosing and lymphodepletion regimens, we intend to focus
our clinical efforts in R/R lymphoma on CD19 targeting programs, as we believe CD19 is a more robust antigenic target in R/R heterogeneous NHL
populations. All subjects enrolled in the study and evaluated for treatment with PBCAR20A had acceptable tolerability with no GvHD, no Grade ≥ 3
cytokine release syndrome, and no Grade ≥ 3 neurotoxicity.

In December 2021, we announced that we entered into an agreement with a syndicate of investors led by ACCELR8 to separate our wholly owned Elo Life
Systems subsidiary (the “Elo Transaction”) and create an independent food and agriculture business (“New Elo”). The transaction enables us to focus
exclusively on human therapeutics.

Looking ahead to the remainder of 2022 and beyond, we aim to further evaluate ARCUS clinically with the goal of positively impacting human health. In
mid-2022, we plan to provide updates on PBCAR0191, PBCAR19B, and PBCAR269A, our allogeneic CAR T therapy product candidate designed to target
B-cell maturation antigen (“BCMA”) for the treatment of R/R multiple myeloma in combination with nirogacestat, a gamma secretase inhibitor (“GSI”)
developed by SpringWorks Therapeutics (“SpringWorks”). In the in vivo gene editing pipeline, we expect to submit three Investigational New Drug
applications (“INDs”) or Clinical Trial Applications (“CTAs”) in the next three years, including trials to evaluate: PBGENE-PCSK9 for the treatment of
FH, PBGENE-PH1 for the treatment of primary hyperoxaluria type 1 (“PH1”) and PBGENE-HBV for the treatment of chronic hepatitis B virus (“HBV”).

Our Pipeline

Ex vivo Allogeneic CAR T Immunotherapy

Cancer immunotherapy is a type of cancer treatment that uses the body’s immune system to fight the disease. CAR T is a form of immunotherapy in which
a specific type of immune cell, called a “T cell”, is genetically engineered to recognize and kill cancer cells. Current commercially available
CAR T therapies are autologous, meaning the T cells used as the starting material for this engineering process are derived directly from the patient. As a
consequence, the therapy is highly personalized, difficult to scale, and expensive. Because of the patient’s illness, their cells may also not be suitable
starting material for manufacturing. Our allogeneic approach uses donor‑derived T cells with a single gene edit using ARCUS and are designed for safe
delivery to patients with certain cancers. We believe that this donor-derived approach will allow us to consistently produce a potent product by selecting
donors with high quality T cells and will lessen the product-to-product variability seen in autologous therapies. We are able to produce allogeneic
CAR T cells at a larger scale in a cost-effective manner and have the potential to overcome the “one patient: one product” burden of autologous CAR T cell
therapies.

Leveraging the unique gene editing capabilities of ARCUS, we have developed a one-step cell engineering process for allogeneic CAR T cells that is
designed to maintain naïve and central memory T cell phenotypes throughout the CAR T manufacturing process, which we believe to be important for an
optimized CAR T therapy. We believe our CAR T cells are the only allogeneic CAR T cells in human clinical trials made with a single gene editing step to
specifically avoid the potentially deleterious effects of making multiple edits to T cells.

With our decision early in the development of our ex vivo platform to invest in process development, we continue to scale and improve our manufacturing
process and are currently producing allogeneic CAR T cells at large scale for clinical trials in accordance with current good manufacturing practice
(“cGMP”).

PBCAR0191. We are conducting our Phase 1/2a clinical trial of PBCAR0191 in adult patients with R/R NHL or R/R B-cell precursor acute lymphoblastic
leukemia (“B-ALL”). Currently, we are pursuing a potential first-in-class allogeneic CAR T strategy with PBCAR0191 in patients with lymphoma. The
FDA has granted PBCAR0191 orphan drug designation for the treatment of acute lymphoblastic leukemia (“ALL”) and Fast Track Designation for
treatment of B-ALL.

Updated Data from Phase 1/2a Trial of PBCAR0191 in R/R NHL and R/R B-ALL

In December 2021, we reported updated data from the PBCAR0191 clinical trial utilizing an enhanced lymphodepletion (“eLD”) regimen of fludarabine
(30 mg/m2/day × 4 days) and cyclophosphamide (1000 mg/m2/day × 3 days) targeting CD19 for the treatment of R/R NHL or R/R B-ALL, which included
22 (17 NHL, 5 B-ALL) heavily pre-treated R/R subjects with predominantly advanced or aggressive B-cell malignancies who were evaluable as of
November 16, 2021. Evaluable subjects received a median 5 lines of prior treatment, including 27% (6/22) who previously received a CD19-directed
autologous CAR T.

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For patients that received treatment of PBCAR0191 following eLD as of November 16, 2021:  

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PBCAR0191 showed no ≥ Grade 3 cytokine release syndrome (“CRS”), one Grade 3 immune effector cell-associated neurotoxicity syndrome
(“ICANS”) with resolution to ≤ Grade 2 in 72 hours, no evidence of graft-versus-host disease, and one infectious death at Day 54 deemed
possibly related to treatment

PBCAR0191 yielded an overall response rate (“ORR”) of 73% and a complete response rate (“CR”) of 59% using a 3 x 106 cells/kg cell dose

Four responders among the 17 evaluable NHL subjects reached Day 180 durability assessment

Most notably, a potential signal for PBCAR0191 was observed among six subjects who relapsed after previously receiving an autologous CAR T:

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These subjects experienced an ORR of 100% and a CR of 66% at ≥ Day 28

• More than half of these subjects had a longer duration of response on PBCAR0191 than with the prior autologous CAR T treatment

Currently, there are no FDA approved therapeutics for lymphoma patients who have relapsed following autologous CAR T therapy. PBCAR0191 has the
potential to be developed as a salvage treatment for this growing population with high unmet need. We are actively enrolling additional NHL patients in
this relapse setting to further evaluate this observed activity.

In parallel to our development of PBCAR0191, we are also working towards developing a candidate with an allogeneic CAR T profile that has the potential
to displace CD19 directed autologous CAR T with unique attributes of ARCUS, which is designed to make complex gene edits in a single step with a
single dose, potentially reducing translocation safety concerns. We have developed a second-generation “stealth cell” CAR T construct, which we believe
has the potential to overcome certain limitations of rejection of allogeneic CAR T cells by the patient’s immune system. Rejection of allogeneic CAR T
cells could limit the efficacy of a CAR T therapy if the cells do not persist long enough in the patient to eradicate the tumor.

PBCAR19B. PBCAR19B is an anti-CD19 CAR T candidate built on the stealth cell platform utilizing a single-step gene edit in an effort to minimize the
risk of chromosome abnormalities. The stealth cell differs from the first-generation CAR Ts in that it has two additional modifications aimed at avoiding
rejection. The stealth cell technology is a modified CAR T vector that is designed to suppress expression of a gene called β2m, in CAR T cells using a
short-hairpin RNA, or shRNA, and enable expression of a transgenic HLA-E molecule on the cell surface. β2m is a component of the major
histocompatibility complex type 1 (“MHC-I”), a cell surface receptor which enables alloreactive T cell recognition and activation. Suppression of β2m
expression leads to reduced cell-surface expression of major histocompatibility complex components HLA-A, HLA-B, and HLA-C. In preclinical studies,
we and others have observed that suppression or elimination of β2m reduces the rejection of CAR T cells by alloreactive T cells from an unrelated
individual. However, we have found that reduction of cell-surface HLA-A, HLA-B, and HLA-C expression provokes rejection of the CAR T cells by NK
cells. Decreased expression of HLA-A, HLA-B, and HLA-C therefore necessitates an additional modification to enable overexpression of HLA-E, a non-
classical MHC-I that inhibits cytotoxic killing by NK cells by interacting with inhibitory receptors on the NK cell surface (Gornalusse et al, 2017; Lanza et
al, 2019). Thus, the “stealth cell” is designed to avoid rejection by both alloreactive cytotoxic T cells and NK cells, which we believe has the potential to
increase the ability of these cells to expand, persist, and mediate anti-tumor activity in unrelated recipients as summarized in the figure below.

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We initiated a clinical trial of PBCAR19B in patients with R/R NHL in mid-2021 Flat doses of PBCAR19B CAR T cells following a standard
lymphodepletion (“sLD”) regimen of fludarabine (30 mg/m2/day × 3 days) and cyclophosphamide (1000 mg/m2/day × 3 days) are administered starting at
Dose Level 1 (2.7 × 108 CAR T cells). We plan to commence dosing at the next dose level with clinical trial material from an optimized manufacturing
process once released and expect to provide a program update in mid-2022.

PBCAR269A. PBCAR269A is an investigational allogeneic CAR T immunotherapy targeting BCMA for the treatment of R/R multiple myeloma. BCMA
is a protein that is expressed on the surface of mature B cells called “plasma cells” that are responsible for the disease and is a validated CAR T cell target.
Among 14 patients that have been evaluated for clinical activity and safety across four dose levels, including Dose Level 1= 0.6×106 cells/kg; Dose Level 2
= 2×106 cells/kg; Dose Level 3 = 6×106 cells/kg; and Dose Level 4 = 960 x106 cells flat dose, of PBCAR269A monotherapy following sLD, we have
observed no Grade ≥ 3 CRS or ICANS and a dose-dependent increase in PBCAR269A peak expansion as of December 11, 2021. Overall, PBCAR269A
monotherapy response observed in the Phase 1/2a trial was not comparable with autologous CAR T profiles. Therefore, we are continuing to enroll subjects
with PBCAR269A in combination with nirogacestat in pursuit of a potential therapeutic index comparable with or better than autologous CAR T. An
update on this combination program is expected to be presented in mid-2022.

CD19 Combination with Foralumab. In September 2021, we announced an exclusive license agreement with Tiziana to evaluate foralumab, an
investigational, novel, fully human anti-CD3 monoclonal antibody, as an agent to induce tolerance of allogeneic CAR T cells to potentially improve the
clinical outcome of CAR T cell therapy. The Cluster of Differentiation 3 (“CD3”) is a receptor on effector T cells and an anti-CD3 antibody, such as
foralumab, has the potential to eliminate or tolerize patient effector T cells. Our manufacturing process, which uses ARCUS to knock out the T cell
receptor alpha chain (“TRAC”) gene and implements a CD3-depletion step, produces allogeneic CAR T candidates that are >99.9% CD3-negative. We
believe including an anti-CD3 antibody, such as foralumab, in the lymphodepletion regimen may prevent CAR T cell rejection by eliminating the anti-CAR
T response and enable the CAR T cells to expand, proliferate, and persist to maximize long term clinical benefits. Foralumab may be used in combination
with any PBCAR therapy. We will investigate foralumab first in combination with an anti-CD19 CAR T and plan to submit an IND amendment in 2022 to
enable combination studies.

In vivo Gene Correction

Our goal with our in vivo gene editing programs is to cure genetic diseases by correcting the DNA errors responsible for causing them. In vivo gene
corrections are gene corrections that take place in a living organism. Our ARCUS platform is designed to enable safe, specific and efficient gene editing.
Since ARCUS can be delivered via adeno-associated virus (“AAV”) or lipid nanoparticles (“LNP”), it has potential utility in treating diseases in the liver as
well as many genetic diseases that affect tissues beyond the liver. In addition, the unique enzymology of ARCUS enables it to efficiently knock out genes
as well as make complex gene insertion and gene repair edits. We believe these unique attributes of ARCUS support its potential differentiation for in vivo
use and its potential to treat a broader range of genetic diseases than other editing technologies.

We have advanced a deep portfolio of diverse programs toward preclinical efficacy and toxicity studies. We have generated a significant large animal
dataset and have observed high-efficiency in vivo genome editing in non-human primates (“NHPs”) in our preclinical studies, as highlighted in our July
2018 publication in Nature Biotechnology. We believe this is the first peer-reviewed publication of in vivo genome editing data in NHPs. In our preclinical
studies, we observed the high-efficiency editing of the PCSK9 gene in NHPs using ARCUS and, even at the highest dose, the treatment was observed to be
well-tolerated. As published in Molecular Therapy in June 2021, “Long-term Stable Reduction of Low-density Lipoprotein in Nonhuman Primates
Following In Vivo Genome Editing,” PBGENE-PCSK9 is supported by extensive NHP data over a three-year period, which demonstrates a long-term,
stable edit accompanied by up to an 82% reduction from baseline in PCSK9 levels and up to a 62% reduction in low-density lipoprotein (“LDL”) levels.

We expect that three of our preclinical programs will advance to IND or CTA submission in the next three years:

PBGENE-PCSK9. As part of an agreement to expedite development, iECURE expects to advance our PBGENE-PCSK9 candidate for FH through
preclinical activities as well as a Phase 1 clinical trial with CTA submission expected as early as the end of 2022.

PBGENE-PH1. Pre-clinical research continues to progress for our wholly owned in vivo gene correction program applying ARCUS to knock out the
HAO1 gene as a potential one-time treatment for PH1. In September 2021, we presented NHP data, showing on average, a 98.0% reduction in HAO1
mRNA and a 97.9% reduction in the encoded protein after a single administration of an AAV vector encoding ARCUS. We have initiated IND-enabling
activities and expect to submit an IND/CTA in 2023 for PBGENE-PH1 delivered by LNP.

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PBGENE-HBV. Our gene editing program for chronic HBV applies ARCUS to knock out persistent covalently closed circular DNA (“cccDNA”) and
potentially reduce viral persistence. Previously reported preclinical data has shown that ARCUS efficiently targeted and degraded HBV cccDNA in HBV-
infected primary human hepatocytes and reduced expression of HBV S-antigen (“HBsAg”) by as much as 95%. Similar levels of HBsAg reduction were
observed in a newly developed mouse model of HBV infection following administration of ARCUS mRNA using LNP delivery. We expect to submit an
IND/CTA in 2024 for our HBV program.

Our Team

We believe that our team, whom we call Precisioneers, has among the strongest scientific experience and capabilities of all genome editing companies. Our
Chief Executive Officer, Michael Amoroso, who joined us in October 2021, brings extensive experience leading organizations focused on cell and gene
therapies with a particular focus on oncology drugs, including CAR T cell therapies for hematologic malignancies. Derek Jantz, Ph.D., our Chief Scientific
Officer and a co-founder of Precision, and Jeff Smith, Ph.D., our Chief Technology Officer and also a co-founder of Precision, have been working with
genome editing technology for approximately 20 years. They are pioneers in the genome editing field and developed the ARCUS genome editing platform
to address what they perceived as limitations in the existing genome editing technologies.

We have recruited our team of Precisioneers to include individuals with extensive industry experience and expertise in the discovery, development and
manufacture of cell and gene therapies. As of December 31, 2021, our team of Precisioneers included 45 full-time employees with Ph.D. or M.D. degrees.

We are a purpose-driven organization, and we have carefully promoted a culture that values innovation, accountability, respect, adaptability and
perseverance. We strive to ensure that our open, collaborative culture empowers Precisioneers to be their best selves and do their best work. We strongly
believe that our shared values will help our team navigate and overcome challenges we may experience as we pursue our mission of improving life through
genome editing. Our culture has helped build a world-class team with industry-leading experience in genome editing and continually attracts new talent to
further build our capabilities. Our team is a group of motivated individuals that value the opportunity to contribute their time and talents toward the pursuit
of improving life. Precisioneers appreciate high-quality research and are moved by the opportunity to translate their work into treatments and solutions that
will impact human health.

Our Strategy

We are dedicated to improving life. Our goal is to broadly translate the potential of genome editing into permanent genetic solutions for significant unmet
needs. Our strategy to achieve this goal includes the following key elements:

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Create a fully integrated genome editing company capable of delivering solutions that address unmet needs impacting human health. We
believe that to be a leader in the field of genome editing and maximize the impact of our ARCUS genome editing platform, we must be able to
control those elements of our business that may provide us with certain strategic advantages or operational efficiencies. We intend to continue to
invest in comprehensive research, development, manufacturing and commercial capabilities that provide control and oversight of our product
candidates from discovery through commercialization.

Capitalize on our emerging leadership position in ex vivo allogeneic CAR T immunotherapies which are developed from our ARCUS
platform. We believe that we have developed the first ex vivo allogeneic CAR T cell platform capable of producing drug product at scale, with a
potentially optimal cell profile for therapeutic efficacy with a single gene editing step and true off-the-shelf delivery. Our CAR T platform is
modular, which we believe will allow us to leverage proof-of-concept from our ongoing and planned initial human trials for multiple other CAR
T programs. We believe the combination of these factors, along with our unique ARCUS technology, puts us in a differentiated position to be the
leader in the development of allogeneic CAR T therapies.

Advance ARCUS-based in vivo gene correction programs into human clinical trials. In our preclinical studies, we observed the high-
efficiency and tolerability of in vivo genome editing using ARCUS in a non-human primate model, as published in Nature Biotechnology in July
2018 and Molecular Therapy in June 2021 by Wang et al. Nearly five years later, NHPs in this 2017 study continue to be monitored for ongoing,
sustained reduction in LDL cholesterol levels while maintaining stable gene editing and data from these trials has not shown any obvious adverse
effects to date. To our knowledge, we were the first company to complete this milestone, which we believe to be critical to successful in vivo
genome editing therapeutic development. We have built on this early success by diligently advancing a diverse portfolio of preclinical in vivo
gene correction programs through large animal studies, focusing initially on gene targets occurring in the liver.

Continue investing in the optimization of ARCUS and enabling technologies. We believe that a key to our future success is the quality of the
genome editing tools that we produce. Since our founding, we have devoted ourselves to continuously

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refining the precision and efficiency of our core genome editing platform. We intend to continue this investment in ARCUS while surrounding it
with enabling technologies and expertise to retain what we believe is a leadership position in the field.

Create an environment that is a destination of choice for premier talent within the life sciences industry. We believe that we currently have
among the strongest skill set within the genome editing industry and credit much of our past success to our commitment to our team and culture.
Our future success will depend on our ability to continue to attract and retain world-class talent within our markets of interest. We intend to
consciously invest in fostering an environment within our company that is both challenging and supportive and inspires our team to broadly
translate genome editing into permanent genetic solutions.

Expand the breadth of our operations through additional product platforms and strategic relationships. We believe that the ARCUS
genome editing platform has broad utility beyond our current areas of focus. We intend to invest in the development of additional product
platforms and seek collaborations with companies with additive expertise in areas within and outside of our current target markets to maximize
the value of our company.

Overview of Genome Editing

DNA carries the genetic instructions for all basic functions of a living cell. These instructions are encoded in four different molecules, called bases, which
are strung together in specific sequences to form genes. Each gene is responsible for a specific function in a cell, and the complete set of genes in a cell,
which can consist of tens of thousands of genes and billions of individual bases, is known as a genome. The complete genome sequence has been
determined for many organisms, including humans. This allows scientists to identify specific genes and determine how their unique sequences contribute to
a particular cellular function. Studying variations in gene sequences further informs an understanding of why a cell behaves a certain way, which can
greatly enhance understanding of what causes and how to treat aberrant behavior that leads to disease.

Genome editing is a biotechnology process that removes, inserts or repairs a portion of DNA at a specific location in a cell’s genome. Early applications of
genome editing focused on advancing genetic research. As genome editing technologies have advanced, their application is moving beyond understanding
disease to treating or preventing disease by editing DNA. Genome editing is accomplished by delivering a DNA cutting enzyme, called an endonuclease, to
a targeted segment of genetic code. Once the endonuclease cuts the DNA, the cell has to repair the break to survive and will generally do so in one of two
ways, as shown below.

There are two primary mechanisms of DNA repair, non-homologous end joining (“NHEJ”), and homology directed repair (“HDR”). As shown in the figure
above, NHEJ is a pathway that repairs breaks in DNA without a template. NHEJ is the less precise method of repair that prioritizes speed over accuracy,
making it prone to leaving insertions and/or deletions of DNA bases at the cut site. These insertions or deletions can disrupt the gene sequence and can be
used to inactivate or “knock out” the function of the gene. Accordingly, genome editing technologies can be used to permanently knock out a gene in a cell
or organism by creating a break in the DNA sequence of that gene.

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As shown in the figure above, HDR is a mechanism of DNA repair whereby the cell uses a second DNA molecule with a sequence similar to that of the cut
DNA molecule to guide the repair process. Since HDR uses a “template” of similar genetic information to guide the repair process, it is the more precise
mechanism of cellular repair. HDR results in the sequence of the template being copied permanently into the genome at the site of the DNA cut. If we
provide a template DNA molecule directly to the edited cell and the cell repairs itself using HDR, a new gene can be incorporated or “knocked in” at a
precise location in the genome. Alternatively, the use of HDR can “repair” a DNA mutation by correcting it to the proper functioning sequence when
repairing the break. Thus, genome editing endonucleases can be used to introduce a variety of different changes to the genetic code of a cell or organism
including gene knockout, gene insertion and gene repair.

There are several genome editing technologies, including ARCUS, zinc-finger nucleases (“ZFNs”), TAL-effector nucleases (“TALENs”), CRISPR/Cas9,
and base editors. These technologies differ from one another principally in the properties of the endonuclease that they each employ. The different
endonucleases have fundamentally different mechanisms of recognizing and cutting their DNA targets, which gives each technology advantages and
disadvantages depending on how each is used.

Our ARCUS Genome Editing Platform

We are pioneers in the field of genome editing and have extensive experience with a breadth of genome editing technologies. Our ARCUS platform was
developed to address limitations of other editing technologies that could impair their deployment for therapeutic applications. We looked to nature for
examples of genome editing and found the I-CreI endonuclease from the algae Chlamydomonas reinhardtii. Unlike ZFN, TALEN or CRISPR/Cas9, I-CreI
is a natural enzyme that evolved to edit a large, complex genome. In nature, it is responsible for modifying a specific location in the algae genome by
inserting a gene using the HDR process, according to scientific literature.

We believe that I-CreI has a number of attributes that make it attractive for the development of novel genome editing endonucleases, such as:

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Specificity and efficiency. Complex genome editing applications, especially those involving the human body, require a high level of
endonuclease specificity and precision to limit the likelihood that the endonuclease will recognize and edit any genetic sequence other than its
intended target. Most applications of genome editing technology require that a sufficient portion of the targeted cells are edited to achieve the
desired result. The activity level of the endonuclease is one factor that can affect how many cells are edited. The slow catalytic mechanism of I-
CreI imparts specificity but does not impact its on-target efficiency for genome editing purposes because genome editing involves cutting only a
single site in a cell. As such, I-CreI is able to achieve a high level of precise on-target editing while rarely cutting off-target, as supported by
scientific literature.

Delivery. Size and structural simplicity affect the ease and versatility with which endonucleases can be delivered to cells for editing. I-CreI is
very small relative to other genome editing endonucleases. It is approximately one quarter to one sixth of the size of the ZFN, TALEN and
CRISPR/Cas9 endonucleases. Unlike those endonucleases, I-CreI can be delivered as a single gene. As such, we believe it is compatible with
many different delivery mechanisms. Additionally, I-CreI’s size and structure facilitate the simultaneous delivery of multiple engineered
endonucleases to introduce more than one edit to a cell. Both of these properties significantly broaden the spectrum of potential applications for
I-CreI-based genome editing endonucleases.

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Type of Cut. The three prime, or 3’, overhangs created when I-CreI cuts DNA have been shown to promote DNA repair through a mechanism
called HDR. 3’ overhangs are stretches of unpaired nucleotides in the end of a DNA molecule. A genome editing technology that facilitates
cellular repair through HDR enables versatile applications that require a gene insertion or gene repair. Unlike other editing endonucleases, I-CreI
creates four base 3’ overhangs when it cuts its DNA site, which increases the likelihood that the cell will repair the DNA cut through HDR. As
such, the DNA cuts created by I-CreI can be exploited to efficiently insert or repair DNA, consistent with the natural role of I-CreI in catalyzing
the targeted insertion of a gene in algae.

Intellectual Property. I-CreI recognizes its DNA target site through a complex network of interactions that is challenging to re-program for new
editing applications involving different DNA sequences. The challenges associated with re-programming I-CreI have, historically, hampered its
adoption by the genome editing community in favor of more easily engineered endonucleases. This engineering challenge represents a high
barrier to entry and has enabled us to secure a strong intellectual property position and control over what we believe to be a superior genome
editing technology.

Other than the key programming challenge, we believed that the differentiated properties of I-CreI cited above make it an ideal “scaffold” for the
development of novel genome editing tools. Moreover, we believed those properties were differentiated enough from other editing technologies to merit
substantial investment in overcoming the key challenge of programmability. To that end, we invested 15 years of research effort to develop a robust,
proprietary protein engineering method that now enables us to consistently re-program I-CreI to direct it to targeted sites in a genome. We call our approach
ARCUS.

ARCUS is a collection of protein engineering methods that we developed specifically to re-program the DNA recognition properties of I-CreI, a homing
endonuclease from Chlamydomonas reinhardtii algae evolved for precision genome editing in nature. To apply I-CreI to genome editing in other cells or
organisms, we must modify it to recognize and cut a different DNA sequence for each new application we pursue. Since the I-CreI endonuclease evolved to
recognize its target sequence in the algae genome with a high degree of selectivity, as supported by scientific literature, it was necessary for us to develop
sophisticated protein engineering methods to re-engineer I-CreI endonucleases to bind and cut a different DNA sequence. Using the ARCUS process, we
create customized endonucleases for particular applications. We call these custom endonucleases “ARCUS nucleases.” Our process is proprietary and core
components are claimed in an extensive international patent portfolio. Moreover, since the ARCUS process involves a sophisticated blend of protein
engineering art and science, each ARCUS nuclease we create is novel and, we believe, patentable. As of December 31, 2021, we have obtained U.S.
patents with claims directed to six ARCUS nucleases as compositions of matter, and currently claim over 290 ARCUS nucleases as compositions of matter
in pending U.S. and foreign patent applications.

Our objective with ARCUS is to redirect I-CreI to a new location in a genome without compromising its editing abilities. To accomplish this, we modify
the parts of the enzyme that, as reported by scientific literature, are involved in recognizing the specific DNA target site. These enzyme parts are also
reported to comprise the I-CreI active site and to be involved in anchoring the enzyme to its DNA site in the algae genome. In our preclinical studies, we
have observed that these modifications allowed us to control how tightly an engineered variant of I-CreI binds to its intended DNA site, as well as how
quickly it cuts, in a plant or animal cell. By adjusting these two parameters, we observed that we can generally control the efficiency with which the
engineered endonuclease cuts its intended target site or any potential off-target sites.

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The natural I-CreI target site is pseudo-palindromic, meaning the first half of the sequence is approximately a mirror image of the second half of the
sequence. Palindromic DNA sites are rare in most genomes so it was necessary for us to develop additional technology that would overcome this limitation
on the diversity of DNA sites that we can target. To this end, the ARCUS process involves the production of two re-programmed I-CreI proteins for each
target site. These two different proteins are then linked together into a single protein that can be expressed from a single gene. This approach, called a
“single-chain endonuclease,” represents a major advancement in I-CreI engineering because it enables our ARCUS nucleases to recognize and cut non-
palindromic target sites using an endonuclease that, like natural I-CreI, is very small and easy to deliver to cells.

Since creating an ARCUS nuclease requires such extensive reengineering of I-CreI, it is, generally, an iterative process that involves multiple cycles of
design and testing. We can typically produce a first-generation ARCUS nuclease in seven weeks. First-generation nucleases are suitable for research and
development, proof-of-concept studies or other non-therapeutic applications. For therapeutic applications requiring the lowest possible off-targeting,
however, we are rarely satisfied with generation one and each endonuclease undergoes extensive optimization. To this end, we thoroughly interrogate the
nuclease with respect to its on-and off-target cutting properties using ultra-sensitive tests that we developed specifically for use with ARCUS. These results
then inform our design of a second-generation nuclease with the goal of optimizing on-target efficiency while minimizing off-target cutting. Therapeutic
ARCUS nucleases typically require two to four cycles of design and testing, often resulting in off-target cutting frequencies that are below the limit of
detection with our most sensitive assays. This process can take six months to one year and results in development of our clinical candidate nuclease.

The ARCUS process is robust and reproducible. It enables us to create engineered variants of the I-CreI endonuclease that recognize and cut DNA sites that
bear little resemblance to I-CreI’s natural target site. Importantly, however, ARCUS retains the attributes of I-CreI that we believe make it highly suitable as
a genome editing endonuclease for complex commercial applications. We expect ARCUS nucleases to be exquisitely specific as a result of the natural
structure of I-CreI and the intricate design process we employ to create them. We believe ARCUS nucleases are the smallest and easiest to deliver genome
editing endonucleases. Like I-CreI, in our preclinical studies, ARCUS nucleases have been observed to produce DNA cuts with 3’ overhangs that promote
HDR, facilitating gene insertions and gene repairs in addition to gene knockouts. We believe that these attributes will enable us to translate ARCUS into
patient-based clinical trials and a wide array of product candidates that have the potential to address the limitations of other genome editing technologies
and improve life.

We believe that ARCUS is a leading genome editing platform for therapeutic applications. Realizing the potential of ARCUS, however, requires supporting
technologies and capabilities. To facilitate the potential commercial deployment of ARCUS in different fields, we surround it with ancillary technologies,
domain expertise and infrastructure specific to that area of development. Our goal is to leverage ARCUS to build additional product-development platforms
designed to rapidly generate new products in a given field.

Our Ex Vivo Allogeneic CAR T Immunotherapy Platform

We are leveraging the properties of ARCUS in an integrated platform for the development and large-scale production of ex vivo off-the-shelf (allogeneic)
CAR T cell immunotherapies. A key to the success of this platform is our proprietary, one-step method for modifying the genetics of T cells from a healthy
donor to make them detect and kill cancer cells. This method allows us to produce allogeneic CAR T therapy candidates with a potentially optimal
phenotype for clinical development and scaled manufacturing. We have demonstrated that our approach yields an allogeneic product with a high proportion
of naïve and central memory CAR T cells, which are the T cell phenotypes that have previously correlated best with good clinical benefit and fewer
adverse events compared with terminally differentiated effector T cells. Additionally, because these cells are derived from healthy donors and maintain the

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phenotypic characteristics described, it is our hypothesis that they will be more capable of controlled in vivo expansion and tumor killing. As such, we
believe that our allogeneic CAR T cell platform will greatly increase patient access to these cutting-edge treatments.

CAR T Cell Therapies

CAR T cell therapy is a form of cancer immunotherapy that uses a patient’s immune system to kill cancer cells. T cells are a component of the immune
system that can distinguish pathogen-infected or tumor cells from healthy cells and kill them. Recognition of pathogen-infected cells or tumor cells occurs
through a protein called a TCR, that is expressed on the surface of T cells. Tumor cells, however, have evolved numerous ways to evade TCR-mediated
killing by T cells. In CAR T cell therapy, T cells are engineered ex vivo to express a protein called a CAR that recognizes specific tumor cell surface targets
and allows the T cells to function independently of the TCR, thus circumventing tumor cells’ evasion of the TCR. CAR T cell therapy has been shown in
clinical trials to be an effective treatment for patients who have not responded to traditional cancer treatments, and there are FDA approved CAR T cell
products available to treat certain types of leukemia and lymphoma.

The most common form of CAR T cell therapy is referred to as “autologous” CAR T cell therapy because the CAR T cells are generated using T cells
taken directly from the cancer patient. T cells are harvested from the patient, genetically engineered ex vivo to express a CAR, and then injected back into
the patient. While autologous CAR T cell therapy has been shown to be effective for treating certain tumor types, it has several significant drawbacks:

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Patient eligibility. Many patients may not be eligible for the treatment because their cancer has lowered their T cell numbers and T cell quality,
or because the risk of undergoing the process to harvest T cells is too great.

Consistency. Since each autologous therapy is, by definition, unique, it is difficult to define standards of safety and efficacy or to thoroughly
assess the quality of the product prior to infusion into the patient.

Delay in treatment. Because the process to make autologous CAR T cells can take several weeks, there is a significant delay in treating what
can often be very aggressive tumors. Patients’ disease often progresses before they can receive the CAR T therapy, or if manufacturing
complications such as contamination, mislabeling or low yield are encountered, the patient may not survive long enough to attempt
manufacturing a second time.

Cost. The autologous CAR T cell manufacturing process is complex and expensive and must be performed, in its entirety, for each patient. As
such, scaling of the manufacturing process is exceedingly difficult, and the cost of product manufacturing has resulted in high treatment costs per
patient. This high cost of treatment, along with the practical complexities described above, limits the availability of autologous CAR T cell
therapies to patients.

Our Approach to Ex Vivo Allogeneic CAR T Cells

We believe that the use of ex vivo allogeneic, or donor-derived, CAR T cells will address many of the challenges associated with autologous CAR T cell
therapy. An allogeneic approach allows selection of donors using specific criteria to define “healthy” T cells possessing specific phenotypes, which we
believe are important to clinical efficacy and which may lessen the product-to-product variability seen in autologous therapies. Donor-derived cells could
be used in any patient, eliminating the “one patient: one product” burden of autologous CAR T cell therapies. Because healthy donors would provide the
starting material, patients that were too sick or otherwise unqualified for an autologous approach may benefit from an allogeneic CAR T cell therapy.
Additionally, patients receiving an off-the-shelf allogeneic treatment would not have to wait for the manufacture of a personalized autologous treatment,
which could be further delayed by manufacturing difficulties. By scaling the manufacturing of CAR T cells and optimizing the manufacturing process for a
specific pool of donors, we believe that allogeneic CAR T cells can be manufactured at costs that are significantly lower than autologous CAR T cells and
that will, over time, approach the manufacturing costs for conventional biologic drugs. These potential advantages of an allogeneic approach should allow
for a safer, more predictable product with defined quality standards and significantly increase patient access.

We have used the unique qualities of ARCUS to create a one-step cell engineering process for allogeneic CAR T cells that we believe yields a well-defined
cell product and is designed to maintain naïve and central memory T cell phenotypes throughout the CAR T manufacturing process; we believe this is of
paramount importance for an optimized CAR T therapy. To produce an allogeneic CAR T cell, it is necessary to make two changes to the DNA of T cells
from a healthy donor. First, it is necessary to knock out the gene that encodes the TCR to prevent the donor-derived T cells from eliciting GvHD in the
patient. The TCR is actually a complex of several different components encoded by different genes, and knocking out any one of them is generally
sufficient to prevent the TCR from functioning. Second, it is necessary to add, or knock in, a gene that encodes the CAR to give the T cells the ability to
recognize and kill cancer cells. We developed a proprietary, one-step method for achieving both genetic changes simultaneously. This method, aspects of
which are protected by nine issued U.S. patents, involves the use of ARCUS to target the insertion of a CAR gene directly into the gene that encodes the
alpha subunit of the TCR. This approach adds the DNA encoding the CAR while simultaneously disrupting the DNA encoding the TCR, essentially
replacing one gene with the other.

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We believe that our one-step engineering approach, and the differentiated attributes of the ARCUS nuclease used to implement it, will overcome many of
the critical challenges associated with allogeneic CAR T cell production as follows:

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T cell phenotype. According to scientific literature, T cell phenotype has a profound impact on the efficacy of CAR T cell therapy. Specifically,
“young” CAR T cells with naïve and central memory phenotypes have been observed to undergo the most robust expansion following
administration, which leads to a therapeutic effect. Therefore, we have established a T cell platform that is designed to maximize the percentage
of cells with these ideal phenotypes. Our process starts with carefully screening donors to identify individuals with high percentages of naïve or
central memory T cells and a ratio of CD4:CD8 T cells that we believe should yield the most potent cell product. To this end, we have developed
our own set of analytics for screening candidate donors and have put significant effort into identifying individuals with the desired T cell profiles.
We then use proprietary growth strategies and media to maintain naïve and central memory T cell phenotypes throughout the CAR T
manufacturing process. We believe this is of paramount importance for an optimized CAR T therapy. Importantly, our one-step genome editing
approach avoids making multiple breaks to the T cell’s DNA and also contributes to minimizing cell processing time, which helps prevent the
CAR T cells from differentiating during the process.

Novel co-stimulatory domain. Our genetically engineered CAR T cells incorporate a novel, proprietary, costimulatory domain called N6, which
may enable us to enhance cell proliferation and effector function while preserving cell phenotype. We engineered N6 to improve on the function
of the 4-1bb costimulatory domain commonly used in autologous CAR T products. Our preclinical data suggests that, compared to 4-1bb, N6
provides an activation signal to the CAR T cells that better preserves cell expansion potential while maintaining naïve cell phenotype following
exposure to cancer cells. We also believe N6 can help avoid CAR T cell hyperstimulation, which can contribute to adverse events seen with
autologous products.

Consistency. By consistently targeting the same insertion of the CAR gene to a defined location in the DNA of the cell, we are able to produce
populations of T cells that are identical at the DNA level. This makes the cells in our CAR T cell drug formulation less heterogeneous as
compared to manufacturing processes that use lentiviral vectors. Importantly, our genome editing process gives us greater control over the
amount of CAR that is expressed on the surface of each CAR T cell, which determines how easily the CAR T cell is activated once it encounters
a cancer cell. This allows us to “fine-tune” the CAR T cells to ensure that they respond appropriately to the cancer but do not become
hyper‑activated or exhausted. The below comparison demonstrates the difference in consistency achieved by using lentivirus delivery compared
with targeted delivery through an ARCUS nuclease. CAR T cells produced using ARCUS exhibit reduced cell-to-cell variability as well as more
controlled levels of CAR gene expression depending on whether the cells are tuned for high expression or low expression.

Scalability. To realize the potential benefits of allogeneic CAR T cell therapy, it will be important to manufacture as many cells as possible in
each batch in accordance with cGMP. Scaling efficiently requires scale-up at every step in the process and, as with all drug manufacturing,
process development takes significant time and capital. In July 2019, we opened our Manufacturing Center for Advanced Therapeutics
(“MCAT”) facility. We made the decision early in the development of our CAR T cell platform to invest in process development and
manufacturing rather than initiating clinical trials with a process that would not fully support development and commercialization. We did this, in
part, because we believed that several attributes of ARCUS, such as high specificity and high knock-in efficiency, would allow us to scale
manufacturing more effectively than our competitors. As a consequence of our early investment and the one-step editing method enabled by
ARCUS, we have scaled our manufacturing process today, adding in-house capabilities through the opening of our MCAT facility. In 2020, we
manufactured the first batch and clinical trial material for PBCAR269A and produced clinical trial material for PBCAR19B stealth cell.

Manufacturing

We believe that we have strong internal scientific process development and manufacturing capabilities, including our MCAT, an in-house cGMP compliant
manufacturing facility supporting our therapeutic product development platforms which we opened in 2019. We believe that having internal manufacturing
capacity and expertise is a competitive advantage that enables enhanced control over process development timelines, costs and intellectual property.

We have leased over 33,800 square feet of space for our MCAT facility at a location approximately seven miles from our headquarters in Durham, North
Carolina. We have four cleanroom production suites for CAR T cell, mRNA and AAV production for process development for our allogeneic CAR T
immunotherapy platform. Our manufacturing facility leverages single-use, disposable, closed-system operations aligned to our technology platforms to
ensure both flexibility and cost effectiveness. The initial scope is creating clinical trial material for certain of our planned clinical trials. During 2021,
MCAT continued to support our ex vivo cell therapy products through execution of our manufacturing strategy, including the manufacture of clinical trial
material for use in our PBCAR0191, PBCAR19B, and BCMA studies and ensuring on time delivery of drug product to the clinic. In addition, we
completed the Commissioning, Qualification, and Validation (“CQV”) of the AAV manufacturing suites to support our in vivo gene therapy pipeline of
products.

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We currently contract with third parties for the manufacturing and testing of materials used in the production of our product candidates. To date, our third-
party manufacturers have met our manufacturing requirements. Supply chain constraints affecting the industry have also impacted MCAT. Lead times for
certain single-use components have been extended but have not materially constrained our ability to produce clinical trial materials to date. In addition to
existing supply agreements for our most critical reagents and supplies, we believe that there are alternate sources of supply that can satisfy our
requirements and dual sourcing strategies are being employed in select instances to mitigate risk. However, continued global impacts from the COVID-19
pandemic have led to longer timelines and greater costs.

The manufacturing process for our allogeneic CAR T immunotherapy platform utilizes a one-step cell engineering method in which a CAR gene is targeted
directly into the TRAC locus. We believe this single step approach not only minimizes translocation safety concerns, but also greatly streamlines the
manufacturing process and have entered into a license agreement with a principal supplier for research and clinical licensed technology used in such
process. Commercial raw materials and reagents for this production are readily available. Our manufacturing strategy for our in vivo gene correction
platform is to internally control process development and manufacturing to safeguard the proprietary nature of our technology and facilitate our ability to
function as an integrated life sciences company.

Our in vivo Gene Correction Platform

Overview

We expect in vivo therapies for genetic and infectious diseases to be a significant focus of our operations long-term because the differentiated attributes of
ARCUS are particularly advantageous for this type of application. In vivo gene correction involves the delivery of ARCUS nucleases directly into a
patient’s cells to treat disease at the level of the underlying DNA. In vivo genome editing is more complex and challenging than ex vivo approaches like
CAR T cells due to the need to safely deliver ARCUS directly to cells in the body. We believe that in vivo applications are particularly well suited to
ARCUS because they require extremely low levels of off-target editing and efficient delivery.

Due to the demands of in vivo editing, we are taking a highly disciplined approach to managing our project portfolio that emphasizes studies in large
animals, using both viral and non-viral delivery technologies.

Treatment of Genetic Disease

Genetic diseases are caused by errors in the DNA that lead to dysfunction of a cell or tissue. While the underlying cause of a particular genetic disease can
often be complex and variable, DNA errors generally fall into two categories: loss-of-function or gain-of-function. Genetic diseases are most frequently
caused by loss-of-function errors in which a particular gene is mutated at the DNA level in such a way that it is either non-functional or less functional than
it should be. In these cases, treating the disease requires adding the function that the cell or tissue is otherwise lacking. Gain of function genetic disorders
are the result of DNA errors that cause a gene to acquire a new, harmful function that leads to disease. In these cases, it is necessary to remove the
unwanted function to treat the disorder.

Genetic disease is a very active area of therapeutic development, and the therapies that are available or in development are, to a large extent, as variable and
specialized as the diseases themselves. There are, however, gene therapy platform approaches that are being broadly applied to the treatment of multiple
genetic disorders. For the treatment of loss-of-function diseases, AAV-based gene therapy can often be an effective treatment. AAV is a non-integrating
virus that can be used to deliver DNA to a wide range of different cell types in a patient. The virus can be engineered to deliver a functional copy of a gene
that is otherwise missing or under-performing in the cell. This approach can, in some cases, restore normal function to the cell and alleviate the symptoms
of the disease.

While a number of AAV-based gene therapies appear to be showing great promise in clinical trials, the approach is subject to a number of limitations. Many
patients have antibodies in their blood that recognize and inactivate the AAV virus before it can deliver the DNA into the patient’s cells. In addition, among
patients who do not have antibodies upon initial treatment with the virus, most will develop antibodies following the first dose. Therefore, in most cases, it
is only possible to dose a patient one time. Most importantly, although AAV-based gene therapy can be an effective treatment, it may not be a permanent
cure because AAV-delivered genes do not generally persist for more than a few years in the body. While the duration of virus persistence varies from cell-
to-cell and from patient-to-patient, it is not believed to be permanent and symptoms of the disease can return once the virus is no longer present in the body.

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Our Approach to in vivo Gene Correction

Our goal is to cure genetic diseases by correcting the DNA errors responsible for causing them. In principle, in vivo genome editing can likely be used to
cure any genetic disorder. In practice, however, in vivo genome editing is limited by several challenges that, we believe, are best addressed using ARCUS:

•

•

•

Specificity. In vivo genome editing requires an extremely high degree of precision to minimize the occurrence of any unwanted off-target editing.
Off-target changes to the DNA could, potentially, have significant safety implications that may not manifest themselves until well after
administration of the therapy. As described above, we believe that the differentiated attributes of ARCUS enable us to create endonucleases that
have a high degree of specificity and minimal levels of off-target editing to address this significant safety concern.

Delivery. Gene therapy delivery technologies suitable for the delivery of genome editing tools to tissues in vivo have not been developed for all
tissues. Delivery challenges are particularly pronounced for editing applications that require promoting DNA repair by HDR because it is
necessary to deliver both the nuclease and the DNA “donor” template for HDR. We have focused our initial development efforts on genetic
disorders of the liver, tissue for which we believe we have good options for delivery via LNP or AAV and in which we have shown ARCUS to be
effective in preclinical studies. We believe the small size of our ARCUS nucleases and their ability to efficiently promote HDR will enable us to
address a greater variety of genetic diseases requiring more complex delivery strategies.

Efficiency. Genome editing efficiency is a critical parameter for in vivo therapeutic efficacy because the requisite edit must be achieved in a
sufficient number of cells to have therapeutic benefit. Efficiency is best measured in vivo in animals because it is affected by multiple parameters
including delivery, endonuclease activity and the accessibility of the DNA target site in the organism. Moreover, we believe that only large
animals such as NHPs accurately model these different parameters and are representative of the human condition. As such, we have placed
significant emphasis on large animal studies and have demonstrated, we believe, therapeutic levels of editing efficiency using ARCUS in the
most relevant models. This gives us greater confidence that ARCUS will translate from the lab bench to the clinic.

The potential of ARCUS for in vivo genome editing is highlighted in a July 2018 publication in Nature Biotechnology that describes a research project
performed as part of a sponsored research collaboration between our company with Dr. Jim Wilson and the Gene Therapy Program at the University of
Pennsylvania. Co-authors of the publication include Derek Jantz and Jeff Smith, two of our co-founders. This publication is, to our knowledge, the first
peer-reviewed publication of in vivo genome editing data in NHPs. We reported well-tolerated, long-term, high-efficiency editing of the PCSK9 gene in
NHPs using ARCUS. A single IV administration of an AAV vector encoding a PCSK9-specific ARCUS nuclease was able to efficiently knock out the gene
in the livers of Rhesus macaques, a species of monkey. Importantly, even at the highest dose the treatment was observed to be well tolerated in the study.

We believe that establishing collaborations with other groups that have additive domain expertise and access to the most relevant animal models will be
important to advancing our in vivo gene correction platform, and we have entered into a number of collaborations and licensing agreements with third
parties to help us advance our in vivo editing portfolio.

Familial Hypercholesteremia (FH) Development Program (PBGENE-PCSK9)

Our gene editing program for FH seeks to knockout expression of the PCSK9 gene. As published by Wang et al. in Molecular Therapy in June 2021,
“Long-term Stable Reduction of Low-density Lipoprotein in Nonhuman Primates Following In Vivo Genome Editing,” NHPs in this 2017 study continue to
be monitored for ongoing, sustained reduction in LDL cholesterol levels while maintaining stable gene editing without any obvious adverse effects.  After
the one-time vector administration, NHPs treated with ARCUS have experienced stable reductions of up to 82% in PCSK9 protein levels and a 62%
reduction of LDL cholesterol levels.

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PCSK9 and LDL Serum Levels

AAV was selected as the delivery technology for PBGENE-PCSK9. The underlying genetic causes of FH result in reduced lipid uptake by the liver, which
may impair LNP uptake by hepatocytes.

Primary Hyperoxaluria Type 1 (PH1) Development Program (PBGENE-PH1)

PH1 is a potentially fatal genetic disease caused by a gene mutation that leads to the accumulation of calcium oxalate crystals in the kidneys.  PH1 affects
approximately 1-3 people per million in the United States and is caused by loss of function mutations in the AGXT gene. This gene encodes an enzyme
which is involved in the production of the amino acid glycine in the liver. In patients with PH1 who lack this enzyme, crystals of calcium oxalate form in
the kidneys leading to painful kidney stones which may ultimately lead to renal failure. Approximately 40% of PH1 patients are found to have already
progressed to end stage renal disease at the point of diagnosis, requiring a combined liver-kidney transplant.

Using ARCUS, we are developing a potential therapeutic approach to PH1 that involves knocking out a gene called HAO1 which acts upstream of AGXT.
Suppressing HAO1 has been shown in preclinical models to prevent the formation of calcium oxalate. We therefore believe that a one-time administration
of an ARCUS nuclease targeting HAO1 may be a viable strategy for a durable treatment of PH1 patients. LNP was selected as the delivery technology for
PBGENE-PH1 and we expect to file an IND in 2023.

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In preclinical studies we have demonstrated that ARCUS treatment decreased HAO1 mRNA levels by 98% and decreased Glycolate Oxidase (“GO”)
protein levels by 97.9% in NHPs.

Chronic Hepatitis B (PBGENE-HBV)

Current standard-of-care treatments for HBV suppress viral replication, but often do not clear the virus, leaving cccDNA and integrated HBV genomes that
enable viral persistence. ARCUS-mediated inactivation of cccDNA and integrated HBV through LNP delivery could result in a functional cure.

To address the challenge of a lack of an in vivo model of human HBV infection, we developed a novel in vivo model for HBV editing based on the
similarities of HBV to AAV, in particular, both infect hepatocytes and both establish latency as extrachromosomal circular DNA elements. HBV genome
sequences are delivered on an AAV vector and are then deleted by ARCUS delivered by LNP. LNP-ARCUS efficiently edited HBV sequences in an
immunodeficient mouse model and a NHP model.

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Duchenne Muscular Dystrophy (PBGENE-DMD)

ARCUS genome editing has previously been shown to increase expression of a shortened version of dystrophin in cultured myoblasts from a DMD patient.
The approach uses two ARCUS nucleases delivered by a single AAV to simultaneously cut and delete a large segment of the dystrophin gene that encodes
exons 45 through 55 of dystrophin – a region of the gene that accounts for more than 50% of DMD-causing mutations.

License and Collaboration Agreements

Eli Lilly and Company

On November 19, 2020, we entered into a development and license agreement, subsequently amended by the First Amendment to the Development and
License Agreement dated August 9, 2021 (as amended, the “Development and License Agreement”) with Lilly to collaborate to discover and develop in
vivo gene editing products incorporating our ARCUS nucleases. Lilly has initially nominated Duchenne muscular dystrophy, a liver-directed target and a
CNS directed target. Under the terms of the Development and License Agreement, Lilly has the right to nominate up to three additional gene targets over
the first four years of the Development and License Agreement (the “Nomination Period”). Lilly may extend the Nomination Period for an additional two
years from the date on which such initial Nomination Period ends, upon Lilly’s election and payment of an extension fee. Additionally, under the terms of
the Development and License Agreement, Lilly has the option to replace up to two gene targets upon Lilly’s election and payment of a replacement target
fee. Under the terms of the Development and License Agreement, Lilly will receive an exclusive license to research, develop, manufacture and
commercialize the resulting licensed products to diagnose, prevent and treat any and all diseases by in vivo gene editing directed against the applicable gene
target. The Development and License Agreement provides that we will be responsible for conducting certain pre-clinical research and IND/CTA enabling
activities with respect to the gene targets nominated by Lilly to be subject to the collaboration, including manufacture of initial clinical trial material for the
first licensed product. Lilly will be responsible for, and must use commercially reasonable efforts with respect to, conducting clinical development and
commercialization activities for licensed products resulting from the collaboration, and may engage us for additional clinical and/or initial commercial
manufacture of licensed products.

Upon closing of the Development and License Agreement on January 6, 2021, we received an upfront cash payment of $100.0 million. We will also be
eligible to receive milestone payments of up to an aggregate of $420.0 million per licensed product as well as nomination fees for additional targets and
certain research funding. If licensed products resulting from the collaboration are approved and sold, we will also be entitled to receive tiered royalties
ranging from the mid-single digit percentages to the low-teens percentages on world-wide net sales of the licensed products, subject to customary potential
reductions. Lilly’s obligation to pay royalties to us expires on a country-by-country and licensed product-by-licensed product basis, upon the latest to occur
of certain events related to expiration of patents, regulatory exclusivity or a period of ten years following first commercial sale of the licensed product.
Simultaneously with the entry into the Development and License Agreement, we entered into a Share Purchase Agreement with Lilly

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(the “Share Purchase Agreement”), pursuant to which Lilly purchased 3,762,190 shares of our common stock for a purchase price of $35.0 million.

iECURE
In August 2021, we entered into a development and license agreement with iECURE under which iECURE plans to advance our PBGENE-PCSK9
candidate through preclinical activities as well as a Phase 1 clinical trial as partial consideration for a license to our PCSK9-directed ARCUS nuclease to
develop gene-insertion therapies for four other rare genetic diseases, including OTC deficiency, Citrullinemia Type 1, PKU, and another program focused
on liver disease (the “iECURE Agreement”).

Pursuant to the iECURE Agreement, we retain the rights to PBGENE-PCSK9, including all products developed for indications with increased risk of
severe cardiovascular events such as FH. Simultaneously with the entry into the iECURE Agreement, we entered into an Equity Issuance Agreement with
iECURE, pursuant to which iECURE granted us partial equity ownership in iECURE as partial consideration for the license to use our PCSK9-directed
ARCUS nuclease.

Servier

In February 2016, we entered into the Servier Agreement with Servier, pursuant to which we agreed to develop allogeneic CAR T cell therapies for five
unique antigen targets. One target was selected at the Servier Agreement’s inception. Two additional hematological cancer targets beyond CD19 and two
new solid tumor targets were selected in 2020. With the addition of these new targets, we received development milestone payments in 2020. Upon
selection of an antigen target under the Servier Agreement, we agreed to perform early-stage research and development on individual T cell modifications
for the selected target, develop the resulting therapeutic product candidates through Phase 1 clinical trials and prepare initial clinical trial material of such
product candidates for use in Phase 2 clinical trials.

On April 9, 2021, we entered into the Program Purchase Agreement with Servier, pursuant to which we reacquired all of our global development and
commercialization rights previously granted to Servier pursuant to the Servier Agreement, and mutually terminated the Servier Agreement.  

Pursuant to the Servier Agreement, we had developed certain allogeneic CAR T candidates, including PBCAR0191 and the stealth cell PBCAR19B, each
targeting CD19, as well as four additional product targets (“Servier Targets”).  Pursuant to the Program Purchase Agreement, we regained full global rights
to research, develop, manufacture and commercialize products resulting from such programs, with sole control over all activities. Additionally, per the
terms of the Program Purchase Agreement we do not have an obligation to continue development of the Servier Targets. With respect to products directed
to CD19, Servier has certain rights of negotiation, which may be exercised during a specified time period if we elect to initiate a process or entertain third
party offers for partnering such products.

Pursuant to the terms of the Program Purchase Agreement, we made a payment of $1.25 million in cash to Servier and agreed to waive earned milestones
totaling $18.75 million that would have been otherwise payable to us.

The Program Purchase Agreement also requires us to make certain payments to Servier based on the achievement of regulatory and commercial milestones
for each product, and a low- to mid-single-digit percentage royalty (subject to certain reductions) based on net sales of approved products, if any, resulting
from any continued development and commercialization of the programs by us, for a period not to exceed ten years after first commercial sale of the
applicable product in the United States or certain countries in Europe. If we enter into specified product partnering transactions, the Program Purchase
Agreement requires us to pay to Servier a portion of certain consideration received pursuant to such product partnering transactions in lieu of the foregoing
milestones (with the exception of a one-time clinical phase development milestone) and royalties. For additional discussion of accounting for payment
obligations arising from the Program Purchase Agreement, refer to Note 7 to the consolidated financial statements, “Commitments and Contingencies.”

Gilead

In July 2020, Gilead Sciences (“Gilead”) notified us of its termination of the collaboration and license agreement dated September 10, 2018, subsequently
amended by Amendment No. 1 dated March 10, 2020 or (the “Gilead Agreement”), to develop genome editing tools using ARCUS to target viral DNA
associated with the Hepatitis B virus. Pursuant to the termination notice, the Gilead Agreement terminated on September 4, 2020. Upon termination, we
regained full rights and all data we generated for the in vivo chronic HBV program developed under the Gilead Agreement.

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Duke University

In April 2006, we entered into the Duke License, pursuant to which Duke University (“Duke”) granted us an exclusive (subject to certain non-commercial
rights reserved by Duke), sublicensable, worldwide license under certain patents related to certain meganucleases and methods of making such
meganucleases owned by Duke to develop, manufacture, use and commercialize products and processes that are covered by such patents, in all fields and in
all applications. The patents that we license pursuant to the Duke License have been generated through the use of U.S. government funding and are
therefore subject to certain federal regulations. See Part I. Item 1A. “Risk Factors— Risks Related to Intellectual Property— Some of our in-licensed
intellectual property has been discovered through government funded research and thus may be subject to federal regulations such as “march-in” rights,
certain reporting requirements and a preference for U.S.-based companies, and compliance with such regulations may limit our exclusive rights and our
ability to contract with foreign manufacturers.”

Under the Duke License, in addition to upfront licensing fees, we are also required to pay Duke (1) a total of $0.3 million in milestone payments, a portion
of which we paid upon the completion of our Series A financing, a further portion of which we paid upon our first signed partnership in excess of $1
million, and the remainder of which we will be required to pay upon successful commercialization of human therapeutics, (2) royalties in the low single
digit percentages on net sales of licensed products and licensed processes sold by us and our affiliates, subject to certain reductions in certain
circumstances, with certain annual minimum royalties, and (3) certain percentages of sublicensing revenue received under sublicenses granted to third
parties, which are creditable against annual minimum royalties and are subject to certain reductions in certain circumstances. For sublicenses of non-
commercial products, the percentage of sublicensing revenue payable to Duke is in the mid-teen percentages for sublicense revenues owed from royalties
received and low double-digits for sublicense revenues owed from non-royalty payments. For sublicenses of commercial products created by us and
derivatives thereof, the percentage is determined by the highest negotiated royalty rate in such sublicense. If the highest negotiated royalty rate between us
and our sublicensee exceeds a mid-single digit percentage, the percentage of sublicensing revenue payable to Duke will be high single digit, decreasing to
low single digit as the highest negotiated royalty rate in such sublicense increases.

The Duke License will expire upon the expiration of the last-to-expire patent that is licensed to us. We may terminate the Duke License by providing
advance written notice as specified in the Duke License. Either party may terminate the Duke License in the event of the other party’s uncured material
breach or for the other party’s fraud, willful misconduct or illegal conduct with respect to the subject matter of the Duke License.

Tiziana

In September 2021, we entered into the Tiziana Agreement to evaluate foralumab as a lymphodepleting agent in conjunction with our allogeneic CAR T
cells for the potential treatment of cancers. We intend to investigate foralumab first in combination with an anti-CD19 CAR T and plan an IND update in
2022 to enable combination use.

SpringWorks Therapeutics

In September 2020, we entered into a Clinical Trial Collaboration Agreement with SpringWorks. Pursuant to such agreement, PBCAR269A will be
evaluated in combination with nirogacestat, SpringWorks’ investigational GSI, in patients with R/R multiple myeloma. Under the terms of the agreement,
we will bear all costs with the conduct of the clinical trial including providing PBCAR269A for use in the trial, and SpringWorks is responsible for
providing nirogacestat at its sole cost and expense. The first patient was dosed in the combination arm in June 2021.

Trustees of the University of Pennsylvania

In January 2018, we entered into a research, collaboration and license agreement with the Trustees of the University of Pennsylvania (“Penn”) to
collaborate on the preclinical development for gene editing products involving the delivery of an ARCUS nuclease. In April 2020, both parties agreed to
coordinate a wind-down of all activities in their entirety under the agreement, effective as of June 2020, however, in August 2020 and subsequently in
January 2021, both parties agreed to extend certain portions of the agreement through 2022. We will not be required to make termination payments to Penn.

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Cellectis S.A.

In January 2014, we entered into a cross-license agreement with Cellectis S.A., which we refer to as the Cellectis License, in connection with a settlement
of litigation matters (1) between Cellectis and us and (2) among Cellectis, Duke and us. Cellectis granted us a non-exclusive, sublicensable, worldwide,
fully paid, royalty-free license to certain modified I‑CreI homing endonuclease patents and Cellectis patents asserted in the litigation, to make, use and
commercialize modified I-CreI homing nucleases and products developed using such nucleases, in all fields. The license we received from Cellectis is
subject to the rights of a preexisting license agreement that Cellectis entered into with a third party, and the license granted to us excludes any rights
exclusively granted by Cellectis under such preexisting license, which preexisting license is limited to certain specific applications unrelated to the fields of
human therapeutics, for so long as the rights under the preexisting license remain exclusive.

We granted Cellectis a non-exclusive, sublicensable, worldwide, fully paid-up, royalty-free license to certain modified I CreI homing endonuclease patents
and our patents asserted in the litigation matters (1) between Cellectis and us and (2) among Cellectis, Duke and us to make, use and commercialize
modified I-CreI homing nucleases and products developing using such nucleases, in all fields except those for which we did not receive rights from
Cellectis due to the preexisting license.

The Cellectis License will expire upon the expiration of the last-to-expire valid claim of all of the patents licensed to or from each of the parties to the
agreement. Either party may terminate any of the licenses granted under the agreement (1) in the event of the other party’s material breach, subject to an
opportunity to cure within the time period specified in the Cellectis License, or (2) if the other party directly or indirectly challenges a patent licensed to it
by the other party.

Competition

As a diversified life sciences company, we compete in multiple different fields. The biotechnology and pharmaceutical industries are characterized by
rapidly advancing technologies, intense competition and a strong emphasis on intellectual property and proprietary products. We principally compete with
others developing and utilizing genome editing technology in the human health sector, including companies such as Allogene Therapeutics, Inc., Alnylam
Pharmaceuticals, Inc., Beam Therapeutics, Inc., Caribou Biosciences, Inc., Celgene Corp., Cellectis S.A., CRISPR Therapeutics, AG, Editas Medicine,
Inc., Intellia Therapeutics, Inc., Sangamo Therapeutics, Inc., and Verve Therapeutics, Inc.

We compete with many biotechnology and pharmaceutical companies, academic research institutions, governmental agencies and public and private
research institutions. We expect that our operations focused on CAR T cell product candidate development and commercialization will face substantial
competition from those focusing on immunotherapy solutions. Several companies, including Novartis Pharmaceuticals Corp. and Gilead Sciences, Inc.
have obtained FDA approval for autologous immunotherapies, and a number of companies, including Cellectis S.A., Celgene Corp., Allogene Therapeutics
and CRISPR Therapeutics AG, are pursuing allogeneic immunotherapies. We expect that our operations focused on developing products for in vivo
treatment of genetic disease will face substantial competition from others focusing on gene therapy treatments, especially those that may focus on
conditions that our product candidates target. Moreover, any human therapeutics products that we may develop will compete with existing standards of care
for the diseases and conditions that our product candidates target and other types of treatments, such as small molecule, antibody or protein therapies.

Many of our current or potential competitors in the therapeutics space, either alone or with their collaboration partners, have significantly greater financial
resources and expertise in research and development, manufacturing, preclinical testing, conducting clinical trials and marketing approved products than
we do. In addition to competing on the bases of safety, efficacy, timing of development and commercialization, convenience, cost, availability of
reimbursement and rate of adoption of potential product candidates, we may also compete with these competitors in recruiting and retaining qualified
personnel, establishing clinical sites, establishing relationships with collaborators or other third parties, registering patients for clinical trials and acquiring
technologies complementary to, or necessary for, our product development platforms. Our commercial opportunity could be reduced or eliminated if our
competitors develop and commercialize products that are safer, more effective, have fewer or less severe side effects, are more convenient or are less
expensive than any products that we may develop. Our competitors also may obtain FDA or other regulatory approval for their products more rapidly than
we may obtain approval for ours, which could result in our competitors establishing a strong market position before we are able to enter the market.  

Furthermore, we rely upon a combination of patents and trade secret protection, as well as license and confidentiality agreements to protect the intellectual
property related to our proprietary technologies, product candidate development programs and product candidates. Our success depends in large part on our
ability to secure and maintain patent protection in the United States and other countries with respect to the ARCUS nucleases used in our existing
allogeneic CAR T immunotherapy and in vivo gene correction programs, as well as any future product candidates. Moreover, the industries in which we
operate are characterized by the existence of large numbers of patents and frequent allegations of patent infringement. If, therefore, we are unable to obtain
and maintain patent protection for our technology and product candidates, or if the scope of the patent protection obtained or in-licensed is not sufficiently

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broad or if the validity of such patent protection is threatened, we may not be able to compete effectively, as it could create opportunities for competitors to
enter the market or dissuade other companies from collaborating with us to develop products and technology, any of which would hurt our competitive
position and could impair our ability to successfully commercialize our product candidates in any indication for which they are approved.

Intellectual property

Our success depends in part on our abilities to (1) obtain and maintain proprietary protection for ARCUS, (2) defend and enforce our intellectual property
rights, in particular, our patent rights, (3) preserve the confidentiality of our know-how and trade secrets, and (4) operate without infringing valid and
enforceable intellectual property rights of others. We seek to protect our proprietary position by, among other things, exclusively licensing U.S. and certain
foreign patent applications, and filing U.S. and certain foreign patent applications related to ARCUS, existing and planned programs, and improvements
that are important to the development of our business. We also rely on trademarks, trade secrets, know-how, continuing technological innovation and
confidential information, and the pursuit of licensing opportunities, to develop and maintain our proprietary position and protect aspects of our business
that are not amenable to, or that we do not consider appropriate for, patent protection. We seek to protect our proprietary technology and processes, in part,
by confidentiality agreements and invention assignment agreements with our employees, consultants, scientific advisors, contractors and others who may
have access to proprietary information, under which they are bound to assign to us inventions made during the term of their employment or term of service.
We also seek to preserve the integrity and confidentiality of our data and trade secrets by maintaining physical security of our premises and physical and
electronic security of our information technology systems.

We cannot be sure that patents will be granted with respect to any patent applications we have licensed or filed or may license or file in the future, and we
cannot be sure that any patents we have licensed or which have been granted to us, or patents that may be licensed or granted to us in the future, will not be
challenged, invalidated or circumvented or that such patents will be commercially useful in protecting our technology. Moreover, trade secrets can be
difficult to protect. While we have confidence in the measures we take to protect and preserve our trade secrets, such measures can be breached, and we
may not have adequate remedies for any such breach. In addition, our trade secrets may otherwise become known or be independently discovered by
competitors. For more information regarding the risks related to our intellectual property, see Part I. Item 1A. “Risk Factors—Risks Related to Intellectual
Property.”

Our patent portfolio consists of a combination of issued patents and pending patent applications that are owned by us or licensed by us from third parties.
As of December 31, 2021, we have an exclusive license from Duke under 12 issued U.S. patents and two pending U.S. patent applications. In addition, as
of December 31, 2021, we own 42 issued U.S. patents, 29 pending non-provisional U.S. patent applications, and 17 pending Patent Cooperation Treaty
(“PCT”) international patent applications. We also exclusively license from Duke or own many corresponding patents and patent applications outside the
United States, as described below. We intend to pursue, when possible, additional patent protection, including composition of matter, method of use and
process claims, related to ARCUS. We also intend to obtain rights to existing delivery technologies through one or more licenses from third parties.

ARCUS Platform Patent Families

We license one patent family from Duke and own three patent families that are directed to the core technologies employed in our ARCUS platform for
nuclease design. Thus, each of our product candidates is protected by one or more patents in these families.

The first family, licensed from Duke, includes 12 issued U.S. patents, nine issued European patents, three issued Japanese patents, and one issued patent in
each of Australia and Canada. This family also includes pending patent applications in each of the United States, Europe, Canada, and two pending patent
applications in Japan. Patents in this family include claims directed to (1) recombinant meganucleases having altered cleavage specificity, altered
heterodimer formation, and/or altered DNA binding affinity, (2) methods for cleaving target recognition sites in DNA using such meganucleases, and
(3) methods for producing genetically modified eukaryotic cells using such meganucleases. Patents in this family have a standard expiration date of
October 18, 2026, subject to potential extensions.

The second family, which we own, includes four issued U.S. patents, three issued patents in Europe, two issued patents in Japan, and one issued patent in
Australia. This family also includes pending patent applications in each of the United States, Europe, Japan, and Australia. Patents in this family include
claims directed to (1) recombinant single-chain meganucleases, and (2) methods for producing isolated genetically modified eukaryotic cells using such
meganucleases. Patents in this family have a standard expiration date of October 31, 2028, subject to potential extensions.

The third family, which we own, includes three issued patents in the United States, and two issued patents in each of Europe and Australia. This family also
includes pending patent applications in each of the United States and Europe. Patents in this family include

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claims directed to methods of cleaving DNA at specific four base pair sites using a recombinant meganuclease. Patents in this family have a standard
expiration date of July 14, 2029, subject to potential extensions.

The fourth family, which we own, includes a pending PCT international patent application and pending patent applications in each of the United States,
Europe, Australia, Canada, China, Israel, Japan, South Korea, and Mexico. Patent applications in this family include claims directed to recombinant
meganucleases engineered to cleave recognition sequences having specific four base pair sites. Patents in this family, if issued, will have a standard
expiration date of May 7, 2040, subject to potential extensions.

Immunotherapy Patent Families

We own 23 patent families that are directed to immunotherapy, including CAR T cell therapies. Some of these are applicable to immunotherapies and/or
CAR T cells directed to killing a variety of different types of infected or cancerous cells. Others are directed to specific indications in which cells
expressing particular antigens are targeted, or methods of manufacturing immunotherapies. Each of our immunotherapy product candidates is protected by
one or more patents in these families.

The first family includes nine issued U.S. patents, one issued patent in each of Europe, Australia, Israel, Hong Kong, and Japan, pending patent
applications in each of the United States, Europe, Australia, Canada, China, Hong Kong, Japan, Mexico, and South Korea, and two pending patent
applications in Israel. Patents in this family include claims directed to (1) populations of genetically modified human T cells in which 20%-65% of the cells
have reduced expression of an endogenous TCR and express an anti-cancer antigen CAR from DNA inserted into the cells’ TCR alpha constant region
(TRAC) gene, (2) methods for using such populations of genetically modified human T cells for cancer immunotherapy, (3) pharmaceutical compositions
comprising such populations of genetically modified human T cells, (4) genetically modified human T cells which have reduced expression of an
endogenous TCR and express an anti-cancer antigen CAR from DNA inserted into the cells’ TRAC gene, (5) methods for using such genetically modified
human T cells for cancer immunotherapy, and (6) pharmaceutical compositions comprising such genetically modified human T cells. Patents in this family
have a standard expiration date of October 5, 2036, subject to potential extensions.

The second family includes one issued patent in each of the United States, Australia, Hong Kong, and Japan, two issued patents in Europe, pending patent
applications in each of the United States, Europe, Australia, Canada, and Japan. Patent applications in this family include claims directed to (1) first-
generation recombinant meganucleases that cleave a target in the TRAC gene, (2) nucleic acids and vectors encoding such recombinant meganucleases,
(3) methods for producing genetically modified eukaryotic cells, including CAR T cells, using such meganucleases, and (4) methods of using such
genetically modified eukaryotic cells for cancer immunotherapy. Patents in this family will have a standard expiration date of October 5, 2036, subject to
potential extensions.

The third family pending patent applications in each of the United States, Europe, Australia, Canada, China, Israel, Japan, Mexico, and South Korea. Patent
applications in this family include claims directed to (1) second-generation engineered meganucleases that cleave a specific target in the TRAC gene,
(2) nucleic acids and vectors encoding such recombinant meganucleases, (3) methods for producing genetically modified eukaryotic cells, including CAR
T cells, using such meganucleases, (4) genetically modified eukaryotic cells or populations of cells prepared by such methods, (5) pharmaceutical
compositions comprising such cells or populations of cells, and (6) methods of treating diseases using such cells, populations of cells or pharmaceutical
compositions to treat diseases, including cancer immunotherapy. Patents in this family, if issued, will likely have a standard expiration date of April 11,
2039, subject to potential extensions.

The fourth family includes one issued patent in each of the United States, Europe, Australia, Hong Kong, and Japan, pending patent applications in Europe,
Australia, Canada, Hong Kong, and Japan, and two pending patent applications in the United States. Patent applications in this family include claims
directed to (1) nucleic acids encoding co-stimulatory domains having certain amino acid sequences, (2) recombinant DNA constructs and vectors
comprising such nucleic acids, (3) nucleic acids and vectors encoding such recombinant meganucleases, (4) genetically modified cells comprising such
nucleic acids, (5) methods for producing such genetically modified cells, (6) pharmaceutical compositions comprising such cells, and (7) methods of
immunotherapy using such cells. Patents in this family have a standard expiration date of October 4, 2037, subject to potential extensions.

The fifth family includes pending patent applications in the United States and Europe. Patent applications in this family include claims directed to
(1) methods of reducing cytotoxicity associated with DNA transfection in primary eukaryotic cells, (2) methods for increasing the number of gene-edited
primary eukaryotic cells following DNA transfection, (3) methods for increasing gene editing frequency in primary eukaryotic cells following DNA
transfection, (4) methods for increasing the number of primary eukaryotic cells comprising targeted insertion of an exogenous sequence of interest into the
genome following DNA transfection, (5) methods for increasing insertion frequency of an exogenous sequence of interest into the genome in primary
eukaryotic cells following DNA transfection, (6) methods for high throughput screening of primary human T cells expressing a CAR or exogenous TCR,
(7) methods for high throughput screening of primary human T cells expressing a CAR or exogenous TCR, and (8) genetically modified primary
eukaryotic cells produced by such methods. Patents in this family, if issued, will have a standard expiration date of April 30, 2038, subject to potential
extensions.

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The sixth family includes one issued patent in each of Europe and Japan, and pending patent applications in the United States, Europe, Australia, Canada
and Japan. Patent applications in this family include claims directed to (1) recombinant meganucleases that recognize and cleave a recognition sequence
within the human β2m gene, (2) nucleic acids and vectors encoding such recombinant meganucleases, (3) methods for producing genetically modified
eukaryotic cells, including CAR T cells, using such meganucleases, (4) populations of genetically modified eukaryotic cells in which 80% of the cells have
reduced expression of an endogenous TCR and 80% of the cells have reduced expression of β2m, (5) pharmaceutical compositions comprising such
populations of genetically modified eukaryotic cells, and (6) methods for using such genetically modified eukaryotic cells for cancer immunotherapy.
Patents in this family, if issued, will have a standard expiration date of December 22, 2036, subject to potential extensions.

The seventh family includes one issued patent in the United States, and pending patent applications in the United States, Europe, Australia, Canada, Hong
Kong, and Japan. Patent applications in this family include claims directed to (1) nucleic acids encoding an engineered antigen receptor (e.g., a CAR) and
an inhibitory molecule (e.g., an RNA interfering with β2m expression), (2) genetically modified eukaryotic cells comprising such nucleic acids,
(3) methods for producing such genetically modified eukaryotic cells using such nucleic acids and an engineered nuclease that promotes insertion of such
nucleic acids, (4) genetically modified eukaryotic cells expressing an engineered antigen receptor and having expression of β2m or MHC Class I molecules
reduced by 10%-95%, (5) pharmaceutical compositions comprising such genetically modified eukaryotic cells, and (6) methods for using such genetically
modified eukaryotic cells for immunotherapy. Patents in this family have a standard expiration date of May 8, 2038, subject to potential extensions.

The eighth family includes one issued patent in the United States, and pending patent applications in the United States, Europe, Australia, Canada, Hong
Kong, and Japan. Patent applications in this family include claims directed to (1) engineered meganucleases that recognize and cleave a recognition
sequence in an upstream intron of the human TRAC gene, (2) nucleic acids and vectors encoding such engineered meganucleases, (3) methods for
producing genetically modified T cells using such nucleic acids or vectors, (4) genetically modified T cells in which an exogenous sequence is inserted into
an upstream intron of the human TRAC gene and endogenous TCR expression is reduced, (5) populations of such genetically modified T cells,
(6) pharmaceutical compositions comprising such genetically modified T cells, and (7) methods of treating disease using such genetically modified T cells
and pharmaceutical compositions, including cancer immunotherapy. Patents in this family, if issued, will have a standard expiration date of June 27, 2038,
subject to potential extensions.

The ninth family includes pending patent applications in the United States and Europe. Patent applications in this family include claims directed to
(1) nucleic acids and vectors encoding certain modified human epidermal growth factor receptor, or EGFRs, (2) genetically modified cells and populations
of cells, including T cells and CAR T cells, expressing such modified EGFRs, (3) methods for producing such genetically modified cells using such nucleic
acids or vectors encoding such modified EGFRs, (4) pharmaceutical compositions comprising such genetically modified cells, (5) methods for isolating
such genetically modified cells, (6) methods of treating disease using such genetically modified cells and pharmaceutical compositions, including cancer
immunotherapy, and (7) methods of depleting such genetically modified cells in a subject using anti-modified EGFR antibodies. Patents in this family, if
issued, will likely have a standard expiration date of October 3, 2038, subject to potential extensions.

The tenth family includes a pending PCT international patent application, and pending patent applications in the United States, Europe, and Canada. Patent
applications in this family include claims directed to (1) methods for preparing genetically-modified immune cells, (2) populations of genetically-modified
immune cells, (3) pharmaceutical compositions comprising such populations of genetically-modified immune cells, (4) methods of treating a disease using
such populations of genetically-modified immune cells, (5) lipid nanoparticle compositions, and (6) kits for transfecting a eukaryotic cell with mRNA.
Patents in this family, if issued, will have a standard expiration date of April 3, 2040, subject to potential extensions.

The eleventh family includes two issued patents in the United States, a pending PCT international patent application, and pending patent applications in the
United States, Europe, Australia, Canada, China, Israel, Japan, Mexico, and South Korea. Patent applications in this family include claims directed to (1) a
genetically-modified immune cell comprising in its genome a nucleic acid sequence encoding a microRNA-adapted shRNA, (2) a method for reducing the
expression of an endogenous protein in an immune cell, (3) immune cells made by such methods, (4) populations of such immune cells, (5) pharmaceutical
compositions comprising such populations of immune cells, and (6) methods of immunotherapy for treating a disease in a subject. Patents in this family, if
issued, will have a standard expiration date of April 3, 2040, subject to potential extensions.

The twelfth family includes a pending PCT international patent application.  Patent applications in this family include claims directed to methods of
immunotherapy comprising administering to a subject a CD3 antibody, or antigen binding fragment thereof, that binds CD3 for the purpose of
lymphodepletion, in combination with the administration of genetically-modified T cells that do not have detectable CD3 expression on the cell
surface.  Patents in this family, if issued, will have a standard expiration date of August 20, 2040, subject to potential extensions.

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The thirteenth family includes a pending PCT international patent application.  Patent applications in this family include claims directed to (1)
polynucleotides encoding a CD20-specific chimeric antigen receptor, (2) methods of producing a genetically-modified T cell comprising such
polynucleotides, (3) a genetically-modified T cell comprising such polynucleotides, (4) populations of such genetically-modified T cells, (5)
pharmaceutical compositions comprising such genetically-modified T cells or populations, and (6) methods of immunotherapy for treating cancer in a
subject.  Patents in this family, if issued, will have a standard expiration date of October 30, 2040, subject to potential extensions.

The fourteenth family includes a pending PCT international patent application.  Patent applications in this family include claims directed to a method of
immunotherapy for treating cancer in a subject.  Patents in this family, if issued, will have a standard expiration date of December 3, 2040, subject to
potential extensions.

The fifteenth family includes a pending PCT international patent application.  Patent applications in this family include claims directed to methods for
reducing the number of target cells, such as cancer cells, in a subject.  Patents in this family, if issued, will have a standard expiration date of May 14, 2041,
subject to potential extensions.

The sixteenth family includes a pending PCT international patent application.  Patent applications in this family include claims directed to a method for
reducing the number of target cells, such as cancer cells, in a subject.  Patents in this family, if issued, will have a standard expiration date of May 14, 2041,
subject to potential extensions.

The seventeenth family includes a pending PCT international patent application.  Patent applications in this family include claims directed to (1) an isolated
antibody, or antigen-binding fragment thereof, that specifically binds to BCMA, (2) a pharmaceutical composition comprising such an antibody, (3) a
polynucleotide encoding such an antibody, and an expression vector comprising the same, (5) a method of treating cancer in a subject, (6) a polynucleotide
comprising a nucleic acid sequence encoding a chimeric antigen receptor having an anti-BCMA binding domain, (7) a genetically-modified eukaryotic cell
comprising such a polynucleotide, (8) a method for producing such a genetically-modified eukaryotic cell, (9) a population of such genetically-modified
eukaryotic cells, (10) a pharmaceutical composition comprising such a population, and (11) a method for treating cancer in a subject.  Patents in this family,
if issued, will have a standard expiration date of August 10, 2041, subject to potential extensions.

The eighteenth family includes a pending PCT international patent application.  Patent applications in this family include claims directed to (1) a lipid
nanoparticle composition, (2) a method for transfecting a population of eukaryotic cells, (3) a method for introducing a nucleic acid into a population of
eukaryotic cells, (4) a population of such eukaryotic cells, (5) a pharmaceutical composition comprising such a population, and (6) a method for reducing
the number of target cells in a subject.  Patents in this family, if issued, will have a standard expiration date of October 6, 2041, subject to potential
extensions.

We own five additional patent families that include pending provisional patent applications in the United States that are directed to immunotherapies,
including CAR T cell therapies, or to technologies that are useful for the manufacture of immunotherapies. We jointly own one patent family that includes a
pending PCT international patent application directed to immunotherapies. We jointly own one patent family that includes two pending provisional patent
applications in the United States. We will determine in the future whether to pursue each of these applications.

Other Patent Families

We own three patent families directed to gene therapy for HBV. The first family includes two issued patents in each of the United States and Japan, one
issued patent in South Korea, pending patent applications in the United States, Europe, Australia, Canada, China, Costa Rica, Columbia, the Dominican
Republic, Egypt, Eurasia, Guatemala, Israel, Japan, South Korea, Mexico, Morocco, New Zealand, Peru, the Philippines, Saudi Arabia, South Africa,
Thailand, and Vietnam, and two pending patent applications in Hong Kong. Patents in this family will have a standard expiration date of October 13, 2037,
subject to potential extensions. The second family includes one issued US patent, and pending patent applications in the United States, Europe, Taiwan and
the Gulf Cooperation Council. Patents in this family, if issued, will have a standard expiration date of April 11, 2039, or April 12, 2039, subject to potential
extensions. The third family includes a pending PCT international patent application. Patents in this family, if issued, will have a standard expiration date of
December 4, 2040, subject to potential extensions.

We own one patent family directed to engineered meganucleases and methods of treatment targeting the PCSK9 gene, which is associated with familial
hypercholesterolemia. This family includes pending patent applications in the United States, Europe, Australia, Canada, China, Hong Kong, Israel, Japan,
Mexico, and South Korea. Patents in this family, if issued, will have a standard expiration date of April 20, 2038, subject to potential extensions.

We own two patent families directed to engineered meganucleases and methods of treatment targeting the rhodopsin gene, which is associated with retinitis
pigmentosa. The first family includes two issued patents in the United States, one issued patent in each of Australia and Japan, and pending patent
applications in the United States, Europe, Australia, Canada, and Japan. Patents in this family

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will have a standard expiration date of September 8, 2036, subject to potential extensions. The second family includes a pending PCT international patent
application. Patents in this family, if issued, will likely have a standard expiration date of May 11, 2041, subject to potential extensions.

We own two patent families that are directed to engineered meganucleases and methods of treatment targeting the hydroxyacid oxidase 1 gene, which is
associated with primary hyperoxaluria 1. The first family includes pending patent applications in the United States and Europe. Patents in this family, if
issued, will have a standard expiration date of December 20, 2039, subject to potential extensions. The second family includes three pending US
provisional patent applications.  Patents in this family, if issued, will likely have a standard expiration date of January 8, 2042, subject to potential
extensions.  

We own two patent families that are directed to engineered meganucleases and methods of treatment targeting the Factor VIII gene, which is associated
with Hemophilia A. The first family includes one issued patent in Europe, and pending patent applications in the United States, Europe, Australia, Canada,
and Japan. Patents in this family will have a standard expiration date of May 3, 2037, subject to potential extensions. The second family includes pending
patent applications in the United States and Europe. Patents in this family, if issued, will have a standard expiration date of November 1, 2038, subject to
potential extensions.

We own one patent family directed to engineered meganucleases and methods of treatment targeting the ApoC3 gene, which is associated with diseases
resulting from abnormal triglyceride synthesis. This family includes a pending provisional patent application in the United States. Patents in this family, if
issued, will likely have a standard expiration date of August 16, 2042, subject to potential extensions.

We own one patent family directed to engineered meganucleases and methods of treatment targeting the transthyretin (“TTR”) gene, which is associated
with TTR amyloidosis. This family includes a pending PCT international patent application. Patents in this family, if issued, will have a standard expiration
date of August 20, 2041, subject to potential extensions.

We own two patent families directed to engineered meganucleases and methods of treatment targeting the dystrophin gene, which is associated with
Duchenne Muscular Dystrophy. The first family includes one issued patent in each of Europe and Japan, and pending patent applications in the United
States, Europe, Australia, Canada, and Japan. Patents in this family will have a standard expiration date of March 12, 2035, subject to potential extensions.
The second family includes a pending provisional patent application in the United States and a pending PCT international patent application. Patent
applications in this family, if issued, will have a standard expiration date of November 12, 2041.

We own one patent family directed to engineered meganucleases and methods of treatment targeting genomic nucleotide repeats, which are associated with
several nucleotide repeat disorders. This family includes one issued patent in Europe, and pending patent applications in the United States and Europe.
Patents in this family will have a standard expiration date of May 2, 2036, subject to potential extensions.

We own one patent family directed to engineered meganucleases and methods of treating alpha-1 antitrypsin deficiency.  This family includes six pending
provisional patent applications in the United States.  Patents in this family, if issued, will likely have a standard expiration date of October 19, 2042.

We own one patent family directed to engineered meganucleases that target mitochondrial genomes and methods of treating mitochondrial disorders.  This
family includes four pending provisional patent applications in the United States.  Patents in this family, if issued, will likely have a standard expiration
date of April 22, 2042.

We jointly own one patent family directed to engineered meganucleases that target mitochondrial genomes and methods of treating mitochondrial
disorders.  This family includes three pending provisional patent applications in the United States.  Patents in this family, if issued, will likely have a
standard expiration date of April 22, 2042.

We jointly own one patent family directed to methods for generating male sterile plants.  This family includes one pending provisional patent application in
the United States.  Patents in this family, if issued, will likely have a standard expiration date of April 22, 2042.  

We license from Duke one patent family directed to engineered fusion proteins comprising engineered meganuclease domains and effector domains which
may be useful in controlling gene expression. This patent family includes one pending patent application in the United States. Patents in this family, if
issued, will have a standard expiration date of October 18, 2026, subject to potential extensions.

We own one patent family directed to engineered meganucleases that target amplifiable genetic loci and may be useful in producing cells with amplified
transgenes. This family includes two issued patents in Europe, one issued patent in the United States, and pending

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patent applications in each of the United States and Europe. Patents in this family will have a standard expiration date of June 1, 2032, subject to potential
extensions.

We own two patent families directed to self-limiting viral vectors (e.g., AAV vectors) that encode engineered meganucleases which eliminate the vector
after gene delivery. The first family includes one issued patent in the United States, and pending patent applications in each of the United States and
Europe. Patents in this family will have a standard expiration date of June 20, 2036, subject to potential extensions. The second family includes one
pending PCT international patent application. Patents in this family, if issued, will have a standard expiration date of May 10, 2041, subject to potential
extensions.

We own one patent family directed to compositions and methods for sequential stacking of nucleic acid sequences into a genomic locus. This family
includes a pending PCT international patent application. Patents in this family, if issued, will have a standard expiration date of July 24, 2040, subject to
potential extensions.

We own one patent family directed to eukaryotic cells comprising a modified transferrin gene that includes an exogenous nucleic acid sequence encoding a
polypeptide of interest. This family includes pending patent applications in each of the United States and Europe. Patents in this family, if issued, will have
a standard expiration date of January 10, 2040, subject to potential extensions.

We own one patent family directed to methods for separation of empty and full AAV capsids during manufacturing. This family includes a pending PCT
international patent application. Patents in this family, if issued, will have a standard expiration date of February 5, 2041, subject to potential extensions.

We own an issued patent in the United States directed to engineered meganucleases which target a genetic locus in maize and methods for genetically
modifying that locus in maize. That patent has a standard expiration date of March 2, 2029, subject to potential extensions.

For any individual patent, the term depends on the applicable law in the country in which the patent is granted. In most countries where we have filed
patent applications or in-licensed patents and patent applications, patents have a term of 20 years from the application filing date or earliest claimed non-
provisional priority date. In the United States, the patent term is 20 years but may be shortened if a patent is terminally disclaimed over another patent that
expires earlier. The term of a U.S. patent may also be lengthened by a patent term adjustment to address administrative delays by the United States Patent
and Trademark Office (the “USPTO”) in granting a patent.

In the United States, the term of a patent that covers an FDA-approved drug or biologic may be eligible for patent term extension in order to restore the
period of a patent term lost during the premarket FDA regulatory review process. The Hatch-Waxman Act permits a patent term extension of up to five
years beyond the natural expiration of the patent. The patent term restoration period is generally equal to the portion of the FDA regulatory review period
for the approved product that occurs after the date the patent issued, subject to certain exceptions. Only one patent may be extended for a regulatory review
period for any product, and the application for the extension must be submitted prior to the expiration of the patent. In the future, we may decide to apply
for restoration of patent term for one of our currently owned or licensed patents to extend its current expiration date, depending on the expected length of
the clinical studies and other factors involved in the filing of the relevant Biologics License Application (“BLA”).

We or our licensors may be subject to claims that former employees, collaborators or other third parties have an interest in our owned or in-licensed patents
or other intellectual property as an inventor or co-inventor. If we are required to and unable to obtain an exclusive license to any such third-party co-
owners’ interest in such patent applications, such co-owners may be able to license their rights to other third parties, including our competitors. In addition,
we may need the cooperation of any such co-owners to enforce any patents that issue from such patent applications against third parties, and such
cooperation may not be provided to us. We or our licensors are subject to and may also become a party to similar proceedings or priority disputes in Europe
or other foreign jurisdictions.

Our trademark portfolio currently contains two registered trademarks in the United States, including ARCUS and ARC nuclease. We also own registered
trademarks for both ARCUS and ARC nuclease in Europe, China and Australia, and a registered trademark for ARCUS in Canada. Additionally, we own
pending trademark applications for Precision BioSciences and the Precision BioSciences logo in the United States, Europe, Australia, Canada, China,
Japan, and the United Kingdom (“UK”), pending trademark applications for Evade, PBStealth, StealthCAR, and StealthCAR T in the United States, and
pending trademark applications for Precision Biotechnology in the United States, Australia, Brazil, Canada, China, Europe, Japan, and Mexico.

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Licensed Intellectual Property

Duke University

In April 2006, we exclusively licensed from Duke families of patents and patent applications related to certain meganucleases and methods of making such
nucleases owned by Duke. The patent family covered by the Duke License comprises the core patents covering ARCUS described above. See “—License
and Collaboration Agreements—Duke University” above for additional information regarding the Duke License.

Cellectis S.A.

In January 2014, we entered into the Cellectis License, which relates to certain modified I-CreI homing endonuclease patents and patents that had been
subject to litigation between us and Cellectis. The patents to which we have rights under the cross-license include at least eight issued patents in each of the
United States and Australia, seven issued patents in Europe, two issued patents in Canada and one issued patent in Japan. These patents have standard
expiration dates prior to January 29, 2034, subject to potential extensions. See “—License and Collaboration Agreements—Cellectis S.A.” above for
additional information regarding the Cellectis License.

Government Regulation

The FDA and other regulatory authorities at federal, state, and local levels, as well as in foreign countries, extensively regulate, among other things, the
research, development, testing, manufacture, quality control, import, export, safety, effectiveness, labeling, packaging, storage, distribution, record keeping,
approval, advertising, promotion, marketing, post-approval monitoring, and post-approval reporting of biological product candidates such as those we are
developing. We, along with third-party contractors, will be required to navigate the various preclinical, clinical and commercial approval requirements of
the governing regulatory agencies of the countries in which we wish to conduct studies or seek approval or licensure of our product candidates. The process
of obtaining regulatory approvals and the subsequent compliance with appropriate federal, state, local and foreign statutes and regulations require the
expenditure of substantial time and financial resources.

U.S. Biologics Regulation

The process required by the FDA before biologic product candidates may be marketed in the United States generally involves the following:

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completion of preclinical laboratory tests and animal studies performed in accordance with the FDA’s Good Laboratory Practice requirements;

demonstration of successful, reproducible manufacture of clinical trial material produced in compliance with cGMPs and consistent with all
release specifications for the product at initial manufacture and over time when stored under defined conditions;

submission to the FDA of an IND, which must become effective before clinical trials may begin, and which must be properly maintained
throughout the course of clinical development;

approval by an Investigational Review Board (“IRB”) or ethics committee, and potential additional scientific and biosafety review committees at
each clinical site before the trial is commenced;

performance of adequate and well-controlled human clinical trials following protocols agreed to by FDA to establish the safety and effectiveness
of the proposed biologic product candidate for its intended purpose;

preparation of and submission to the FDA of a BLA after completion of all pivotal clinical trials;

a determination by the FDA within 60 days of its receipt of a BLA to file the application for review;

satisfactory completion of an FDA pre-approval inspection of the manufacturing facility or facilities at which the proposed commercial product is
produced to assess compliance with cGMP and to assure that the facilities, methods and controls are adequate to preserve the biological product’s
continued safety, purity and potency, and of selected clinical investigation sites to assess compliance with Good Clinical Practices (“GCPs”); and

satisfactory completion of an FDA Advisory Committee review, if applicable;

FDA review and approval of the BLA to permit commercial marketing of the product for particular indications for use in the United States.

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Prior to beginning the first clinical trial with a product candidate in the United States, we must submit an IND to the FDA. An IND is a request for
authorization from the FDA to administer an investigational new drug product to humans. A central focus of an IND submission is on the general
investigational plan and the protocol(s) for clinical studies. The IND also includes results of animal and in vitro studies assessing the toxicology,
pharmacokinetics, pharmacology, and pharmacodynamic characteristics of the product; chemistry, manufacturing, and controls information; and any
available human data or literature to support the use of the investigational product according to the proposed clinical protocol including the proposed dose
level(s). An IND must become effective before human clinical trials may begin. The IND automatically becomes effective 30 days after receipt by the
FDA, unless the FDA, within the 30-day time period, raises safety concerns or questions about the proposed clinical trial. In such a case, the IND may be
placed on clinical hold and the IND sponsor and the FDA must resolve any outstanding concerns or questions before the clinical trial can begin.
Submission of an IND therefore may or may not result in FDA authorization to begin a clinical trial.

In addition to the submission of an IND to the FDA before initiation of a clinical trial in the United States, certain human clinical trials involving
recombinant or synthetic nucleic acid molecules are subject to oversight of institutional biosafety committees, or IBCs, as set forth in the NIH Guidelines
for Research Involving Recombinant or Synthetic Nucleic Acid Molecules, or NIH Guidelines. Specifically, under the NIH Guidelines, supervision of
human gene transfer trials includes evaluation and assessment by an IBC, a local institutional committee that reviews and oversees research utilizing
recombinant or synthetic nucleic acid molecules at that institution. The IBC assesses the safety of the research and identifies any potential risk to public
health or the environment, and such review may result in some delay before initiation of a clinical trial. While the NIH Guidelines are not mandatory unless
the research in question is being conducted at or sponsored by institutions receiving NIH funding of recombinant or synthetic nucleic acid molecule
research, many companies and other institutions not otherwise subject to the NIH Guidelines voluntarily follow them.

Clinical trials involve the administration of the investigational product to human subjects under the supervision of qualified investigators in accordance
with GCPs, which include the requirement that all research subjects provide their informed consent for their participation in any clinical study. Clinical
trials are conducted under protocols detailing, among other things, the objectives of the study, the parameters to be used in monitoring safety and the
effectiveness criteria to be evaluated. A separate submission to the existing IND must be made for each successive clinical trial conducted during product
development and for any subsequent protocol amendments. While the IND is active, progress reports summarizing the results of the clinical trials and
nonclinical studies performed since the last progress report, among other information, must be submitted at least annually to the FDA, and written IND
safety reports must be submitted to the FDA and investigators for serious and unexpected suspected adverse events, findings from other studies suggesting
a significant risk to humans exposed to the drug, findings from animal or in vitro testing suggesting a significant risk to humans exposed to the drug, and
any clinically important increased rate of a serious suspected adverse reaction compared to that listed in the protocol or investigator brochure.

Furthermore, for each site proposing to conduct the clinical trial an independent IRB must review and approve the plan for any clinical trial and the
informed consent form before the clinical trial begins at that site, and must monitor the study until completed. Regulatory authorities, the IRB, or the
sponsor may suspend a clinical trial at any time on various grounds, including a finding that the subjects are being exposed to an unacceptable health risk or
that the trial is unlikely to meet its stated objectives. Some studies also include oversight by an independent group of qualified experts organized by the
clinical study sponsor, known as a data safety monitoring board, which provides authorization for whether or not a study may move forward at designated
check points based on access to certain data from the study and may halt the clinical trial if it determines that there is an unacceptable safety risk for
subjects or other grounds, such as no demonstration of efficacy. There are also requirements governing the reporting of ongoing clinical studies and clinical
study results to public registries.

For purposes of BLA approval, human clinical trials are typically conducted in three sequential phases that may overlap or be combined:

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Phase 1—The investigational product is initially introduced into healthy human subjects or patients with the target disease or condition. These
studies are designed to test the safety, dosage tolerance, absorption, metabolism and distribution of the investigational product in humans, the side
effects associated with increasing doses, and, if possible, to gain early evidence on effectiveness.

Phase 2—The investigational product is administered to a limited patient population with a specified disease or condition to evaluate the
preliminary efficacy, optimal dosages and dosing schedule and to identify possible adverse side effects and safety risks. Multiple Phase 2 clinical
trials may be conducted to obtain information prior to beginning larger and more expensive Phase 3 clinical trials.

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Phase 3—The investigational product is administered to an expanded patient population to further evaluate dosage, to provide statistically
significant evidence of clinical efficacy and to further test for safety, generally at multiple geographically dispersed clinical trial sites. These
clinical trials are intended to establish the overall risk/benefit ratio of the investigational product and to provide an adequate basis for product
approval.

Phase 4—In some cases, the FDA may require, or companies may voluntarily pursue, additional clinical trials after a product is approved to gain
more information about the product. These so-called Phase 4 studies may be made a condition to approval of the BLA.

Development of new treatments for cancer and genetic diseases often combine phase 1 and phase 2 trials as the treatment is studied in limited patient
population with the specified disease. Concurrent with clinical trials, companies may complete additional animal studies and develop additional
information about the biological characteristics of the product candidate, and must finalize a process for manufacturing the product in commercial
quantities in accordance with cGMP. The manufacturing process must be capable of consistently producing quality batches of the product candidate and,
among other things, must develop methods for testing the identity, strength, potency, quality and purity of the final product, or for biologics, the safety,
purity and potency. Additionally, appropriate packaging must be selected and tested and stability studies must be conducted to demonstrate that the product
candidate does not undergo unacceptable deterioration over its shelf life.

BLA Submission and Review by the FDA

Assuming successful completion of all required testing in accordance with all applicable regulatory requirements, the results of product development,
nonclinical studies and clinical trials are submitted to the FDA as part of a BLA requesting approval to market the product for one or more indications. The
BLA must include all relevant data available from pertinent preclinical and clinical studies, including negative or ambiguous results as well as positive
findings, together with detailed information relating to the product’s chemistry, manufacturing, controls, and proposed labeling, among other things. Data
can come from company-sponsored clinical studies intended to test the safety and effectiveness of a use of the product, or from a number of alternative
sources, including studies initiated by investigators. The submission of a BLA requires payment of a substantial user fee to FDA, and the sponsor of an
approved BLA is also subject to an annual program fee. These fees are typically increased annually. A waiver of user fees may be obtained under certain
limited circumstances. Additionally, no user fees are assessed on BLAs for products designated as orphan drugs, unless the application also includes a non-
orphan indication.

Within 60 days following submission of the application, the FDA reviews all NDAs and BLAs submitted to ensure that they are sufficiently complete for
substantive review before it accepts them for filing. The FDA may request additional information rather than accept an NDA or BLA for filing. In this
event, the NDA or BLA must be resubmitted with the additional information. The resubmitted application also is subject to review before the FDA accepts
it for filing. Once a BLA has been accepted for filing, the FDA begins an in-depth substantive review. The FDA reviews a BLA to determine, among other
things, whether a product is safe, pure and potent and the facility in which it is manufactured, processed, packed, or held meets standards designed to assure
the product’s continued safety, purity, and potency. The FDA’s goal is to review standard applications within ten months after it accepts the application for
filing, or, if the application qualifies for priority review, six months after the FDA accepts the application for filing. Priority review designation will direct
overall attention and resources to the evaluation of applications for product candidates that, if approved, would represent significant improvements in the
safety or effectiveness of the treatment, diagnosis, or prevention of serious conditions. In both standard and priority reviews, the review process is often
significantly extended by FDA requests for additional information or clarification. The FDA may convene an advisory committee to provide clinical insight
on application review questions. Before approving a BLA, the FDA will typically inspect the facility or facilities where the product is manufactured. The
FDA will not approve an application unless it determines that the manufacturing processes and facilities are in compliance with cGMP and adequate to
assure consistent production of the product within required specifications. Additionally, before approving a BLA, the FDA will typically inspect one or
more clinical sites involved in the pivotal studies submitted in the BLA to assure compliance with GCP.

After the FDA evaluates a BLA and conducts inspections of manufacturing facilities where the investigational product and/or its drug substance will be
produced, the FDA may issue an approval letter or a Complete Response Letter (“CRL”) if the FDA determines that the application, manufacturing process
or manufacturing facilities are not acceptable. In the CRL, the FDA will outline the deficiencies in the BLA submission and often will request additional
information or testing that the applicant might perform to place the BLA in condition for approval, including requests for additional information or
clarification. Notwithstanding the submission of any requested additional information, the FDA ultimately may decide that the application does not satisfy
the regulatory criteria for approval. Note that where the FDA determines that the data supporting the application are inadequate to support approval, the
FDA may issue the CRL without first conducting required inspections, testing submitted product lots, and/or reviewing proposed labeling. The FDA may
delay or refuse approval of a BLA if applicable regulatory criteria are not satisfied, require additional testing or information and/or require post-marketing
testing and surveillance to monitor safety or efficacy of a product.

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If regulatory approval of a product is granted, such approval will be granted for particular indications and may entail limitations on the indicated uses for
which such product may be marketed. For example, the FDA may approve the BLA with the requirement that a Risk Evaluation and Mitigation Strategy
(“REMS”) be established to ensure the benefits of the product outweigh its risks when used according to the approved label. A REMS is a safety strategy to
manage a known or potential serious risk associated with a medicine and to enable patients to have continued access to such medicines by managing their
safe use, and could include medication guides, physician communication plans, or elements to assure safe use, such as restricted distribution methods,
patient registries, required prescriber training, and other risk minimization tools. The FDA also may condition approval on, among other things, changes to
proposed labeling or the development of adequate controls and specifications. Once approved, the FDA may withdraw the product approval if compliance
with pre- and post-marketing requirements is not maintained or if problems occur after the product reaches the marketplace. The FDA may require one or
more Phase IV post-market studies and surveillance to further assess and monitor the product’s safety and effectiveness after commercialization, and may
limit further marketing of the product based on the results of these post-marketing studies. In addition, new government requirements, including those
resulting from new legislation, may be established, or the FDA’s policies may change, which could impact the timeline for regulatory approval or otherwise
impact ongoing development programs.

In addition, the Pediatric Research Equity Act (“PREA”) requires a sponsor to conduct pediatric clinical trials for most biologics, for a new active
ingredient, new indication, new dosage form, new dosing regimen or new route of administration. Under PREA, BLAs and supplements thereto must
contain a pediatric assessment unless the sponsor has received a deferral or waiver. The required assessment must evaluate the safety and effectiveness of
the product for the claimed indications in all relevant pediatric subpopulations and support dosing and administration for each pediatric subpopulation for
which the product has been determined safe and effective. The sponsor or FDA may request a deferral of pediatric clinical trials for some or all of the
pediatric subpopulations. A deferral may be granted for several reasons, including a finding that the biologic is ready for approval for use in adults before
pediatric clinical trials are complete or that additional safety or effectiveness data needs to be collected before the pediatric clinical trials begin. The FDA
must send a noncompliance letter to any sponsor that fails to submit the required assessment, keep a deferral current or fails to submit a request for
approval of a pediatric formulation.

Expedited Development and Review Programs

A sponsor may seek approval of its product candidate under programs designed to accelerate FDA’s review and approval of new drugs and biological
products that meet certain criteria. Specifically, new drugs and biological products are eligible for fast track designation if they are intended to treat a
serious or life-threatening disease or condition and demonstrate the potential to address unmet medical needs for the disease or condition. For a fast track
product candidate, the FDA may consider sections of the BLA for review on a rolling basis before the complete application is submitted, if the sponsor
provides a schedule for the submission of the sections of the application, the FDA agrees to accept sections of the application and determines that the
schedule is acceptable and the sponsor pays any required user fees upon submission of the first section of the application. A fast track designated product
candidate may also qualify for priority review, under which the FDA sets the target date for FDA action on the BLA at six months after the FDA accepts
the application for filing. Priority review is granted pending availability of FDA review resources for the expedited review and when there is evidence that
the proposed product would be a significant improvement in the safety or effectiveness of the treatment, diagnosis, or prevention of a serious disease or
condition.

A product candidate intended to treat a serious or life-threatening disease or condition may also be eligible for breakthrough therapy designation to expedite
its development and review. A product candidate can receive breakthrough therapy designation if preliminary clinical evidence indicates that the product
candidate, alone or in combination with one or more other drugs or biologics, may demonstrate substantial improvement over existing therapies on one or
more clinically significant endpoints, such as substantial treatment effects observed early in clinical development. The designation includes all of the fast
track program features, as well as more intensive FDA interaction and guidance beginning as early as Phase 1 and an organizational commitment to
expedite the development and review of the product candidate, including involvement of senior managers.

Any product candidate submitted to the FDA for approval, including a product with a fast track designation or breakthrough therapy designation, may also
be eligible for other types of FDA programs intended to expedite development and review, such as accelerated approval. Under the accelerated approval
program, the FDA may approve a BLA on a determination that the biologic has an effect on either a surrogate endpoint that is reasonably likely to predict
clinical benefit, or on a clinical endpoint that can be measured earlier than irreversible morbidity or mortality, that is reasonably likely to predict an effect
on irreversible morbidity or mortality or other clinical benefit, taking into account the severity, rarity, or prevalence of the condition and the availability or
lack of alternative treatments. Post-marketing studies or completion of ongoing studies after marketing approval are generally required to verify the
biologic’s clinical benefit in relationship to the surrogate endpoint or ultimate outcome in relationship to the clinical benefit. In addition, the FDA currently
requires as a condition for accelerated approval pre-approval of promotional materials, which could adversely impact the timing of the commercial launch
of the product. FDA may withdraw approval of a drug or indication approved under accelerated approval on an expedited basis if, for example, the
confirmatory trial fails to verify the predicted clinical benefit of the product or the sponsor fails to conduct such confirmatory trials in a timely manner.

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The Regenerative Medicine Advanced Therapy (“RMAT”), designation facilitates an efficient development program for, and expedites review of, any drug
that meets the following criteria:  (1) it qualifies as a RMAT, which is defined as a cell therapy, therapeutic tissue engineering product, human cell and
tissue product, or any combination product using such therapies or products, with limited exceptions; (2) it is intended to treat, modify, reverse, or cure a
serious or life-threatening disease or condition; and (3) preliminary clinical evidence indicates that the drug has the potential to address unmet medical
needs for such a disease or condition. Like breakthrough therapy designation, RMAT designation provides potential benefits that include more frequent
meetings with FDA to discuss the development plan for the product candidate, and eligibility for rolling review and priority review. Product candidates
granted RMAT designation may also be eligible for accelerated approval on the basis of a surrogate or intermediate endpoint reasonably likely to predict
long-term clinical benefit, or reliance upon data obtained from a meaningful number of sites, including through expansion to additional sites. RMAT-
designated products that receive accelerated approval may, as appropriate, fulfill their post-approval requirements through the submission of clinical
evidence, clinical studies, patient registries, or other sources of real world evidence (such as electronic health records); through the collection of larger
confirmatory data sets; or via post-approval monitoring of all patients treated with such therapy prior to approval of the therapy.

Fast track designation, priority review, breakthrough therapy designation and RMAT designation do not change the standards for approval but may expedite
the development or approval process. Even if a product qualifies for one or more of these programs, the FDA may later decide that the product no longer
meets the conditions for qualification or decide that the time period for FDA review or approval will not be shortened.

Orphan Drug Designation and Exclusivity

Under the Orphan Drug Act, the FDA may grant orphan designation to a drug or biologic intended to treat a rare disease or condition, defined as a disease
or condition with a patient population of fewer than 200,000 individuals in the United States, or a patient population greater than 200,000 individuals in the
United States and when there is no reasonable expectation that the cost of developing and making available the drug or biologic in the United States will be
recovered from sales in the United States for that drug or biologic. Orphan drug designation must be requested before submitting a BLA. After the FDA
grants orphan drug designation, the generic identity of the therapeutic agent and its potential orphan use are disclosed publicly by the FDA.

If a product that has orphan drug designation subsequently receives the first FDA approval for a particular active ingredient within the product for the
disease for which it has such designation, the product is entitled to orphan product exclusivity, which means that the FDA may not approve any other
applications, including a full BLA, to market the same active ingredient for the same indication for seven years, except in limited circumstances, such as a
showing of clinical superiority to the product with orphan drug exclusivity or if the FDA finds that the holder of the orphan drug exclusivity has not shown
that it can assure the availability of sufficient quantities of the orphan drug to meet the needs of patients with the disease or condition for which the drug
was designated. Orphan drug exclusivity does not prevent the FDA from approving a different drug or biologic for the same disease or condition, or the
same drug or biologic for a different disease or condition. Among the other benefits of orphan drug designation are tax credits for certain research and a
waiver of the BLA application user fee.

A designated orphan drug many not receive orphan drug exclusivity if it is approved for a use that is broader than the indication for which it received
orphan designation. In addition, orphan drug exclusive marketing rights in the United States may be lost if the FDA later determines that the request for
designation was materially defective or, as noted above, if the second applicant demonstrates that its product is clinically superior to the approved product
with orphan exclusivity or the manufacturer of the approved product is unable to assure sufficient quantities of the product to meet the needs of patients
with the rare disease or condition.

Post-Approval Requirements

Any products manufactured or distributed by us pursuant to FDA approvals are subject to pervasive and continuing regulation by the FDA, including,
among other things, requirements relating to record-keeping, reporting of adverse experiences, periodic reporting, product sampling and distribution, and
advertising and promotion of the product. After approval, most changes to the approved product, such as adding new indications or other labeling claims,
are subject to prior FDA review and approval. There also are continuing, annual program fees for any marketed products. Biologic manufacturers and their
subcontractors are required to register their establishments with the FDA and certain state agencies and are subject to periodic unannounced inspections by
the FDA and certain state agencies for compliance with cGMP, which impose certain procedural and documentation requirements upon us and our third-
party manufacturers. Changes to the manufacturing process are strictly regulated, and, depending on the significance of the change, may require prior FDA
approval before being implemented. FDA regulations also require investigation and correction of any deviations from cGMP and impose reporting
requirements upon us and any third-party manufacturers that we may decide to use. Accordingly, manufacturers must continue to expend time, money and
effort in the area of production and quality control to maintain compliance with cGMP and other aspects of regulatory compliance.

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The FDA may withdraw approval if compliance with regulatory requirements and standards is not maintained or if problems occur after the product
reaches the market. Later discovery of previously unknown problems with a product, including adverse events of unanticipated severity or frequency, or
with manufacturing processes, or failure to comply with regulatory requirements, may result in revisions to the approved labeling to add new safety
information; imposition of post-market studies or clinical studies to assess new safety risks; or imposition of distribution restrictions or other restrictions
under a REMS program. Other potential consequences include, among other things:

•

•

•

•

•

•

•

•

restrictions on the marketing or manufacturing of the product, complete withdrawal of the product from the market or product recalls;

fines, warning letters or holds on post-approval clinical studies;

refusal of the FDA to approve pending applications or supplements to approved applications, or suspension or revocation of product license
approvals;

product seizure or detention, or refusal to permit the import or export of products;

consent decrees, corporate integrity agreements, debarment or exclusion from federal healthcare programs;

mandated modification of promotional materials and labeling and the issuance of corrective information;

the issuance of safety alerts, Dear Healthcare Provider letters, press releases and other communications containing warnings or other safety
information about the product; or

injunctions or the imposition of civil or criminal penalties.

The FDA closely regulates the marketing, labeling, advertising and promotion of biologics. A company can make only those claims relating to safety and
efficacy, purity and potency that are approved by the FDA and in accordance with the provisions of the approved label. The FDA and other agencies
actively enforce the laws and regulations prohibiting the promotion of off-label uses. Failure to comply with these requirements can result in, among other
things, adverse publicity, warning letters, corrective advertising and potential civil and criminal penalties. Physicians may prescribe legally available
products for uses that are not described in the product’s labeling and that differ from those tested by us and approved by the FDA. Such off-label uses are
common across medical specialties. Physicians may believe that such off-label uses are the best treatment for many patients in varied circumstances. The
FDA does not regulate the behavior of physicians in their choice of treatments. The FDA does, however, restrict manufacturer’s communications on the
subject of off-label use of their products.

Biosimilars and Exclusivity

The Affordable Care Act, signed into law in 2010, includes a subtitle called the Biologics Price Competition and Innovation Act of 2009 (the “BPCIA”),
which created an abbreviated approval pathway for biological products that are biosimilar to or interchangeable with an FDA-licensed reference biological
product. The FDA has issued several guidance documents outlining an approach to review and approval of biosimilars.

Biosimilarity, which requires that there be no clinically meaningful differences between the biological product and the reference product in terms of safety,
purity, and potency, can be shown through analytical studies, animal studies, and a clinical study or studies. Interchangeability requires that a product is
biosimilar to the reference product and the product must demonstrate that it can be expected to produce the same clinical results as the reference product in
any given patient and, for products that are administered multiple times to an individual, the biologic and the reference biologic may be alternated or
switched after one has been previously administered without increasing safety risks or risks of diminished efficacy relative to exclusive use of the reference
biologic.

Under the BPCIA, an application for a biosimilar product may not be submitted to the FDA until four years following the date that the reference product
was first licensed by the FDA. In addition, the approval of a biosimilar product may not be made effective by the FDA until 12 years from the date on
which the reference product was first licensed. During this 12-year period of exclusivity, another company may still market a competing version of the
reference product if the FDA approves a full BLA for the competing product containing that applicant’s own preclinical data and data from adequate and
well-controlled clinical trials to demonstrate the safety, purity and potency of its product. The BPCIA also created certain exclusivity periods for
biosimilars approved as interchangeable products. At this juncture, it is unclear whether products deemed “interchangeable” by the FDA will, in fact, be
readily substituted by pharmacies, which are governed by state pharmacy law.

A biological product can also obtain pediatric market exclusivity in the United States. Pediatric exclusivity, if granted, adds six months to existing
exclusivity periods and patent terms. This six-month exclusivity, which runs from the end of other exclusivity protection or patent term, may be granted
based on the voluntary completion of a pediatric study in accordance with an FDA-issued “Written Request” for such a study.

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Foreign Regulation

To market any product outside of the United States, we would need to comply with numerous and varying regulatory requirements of other countries
regarding safety and efficacy and governing, among other things, clinical trials, marketing authorization, manufacturing, commercial sales and distribution
of our products. Because biologically sourced raw materials are subject to unique contamination risks, their use may be restricted in some countries.

Whether or not we obtain FDA approval of a product, we must obtain the requisite approvals from regulatory authorities in foreign countries prior to the
commencement of clinical trials or marketing of the product in those countries. The requirements and process governing the conduct of clinical trials,
product licensing, pricing and reimbursement vary from country to country. Failure to comply with applicable foreign regulatory requirements, may be
subject to, among other things, fines, suspension or withdrawal of regulatory approvals, product recalls, seizure of products, operating restrictions and
criminal prosecution.

Non-clinical studies and clinical trials

Similarly to the United States, the various phases of non-clinical and clinical research in the European Union, (“EU”), are subject to significant regulatory
controls.

Non-clinical studies are performed to demonstrate the health or environmental safety of new biological substances. Non-clinical studies must be conducted
in compliance with the principles of good laboratory practice (“GLP”), as set forth in EU Directive 2004/10/EC. In particular, non-clinical studies, both in
vitro and in vivo, must be planned, performed, monitored, recorded, reported and archived in accordance with the GLP principles, which define a set of
rules and criteria for a quality system for the organizational process and the conditions for non-clinical studies. These GLP standards reflect the
Organization for Economic Co-operation and Development requirements.

Clinical trials of medicinal products in the EU must be conducted in accordance with EU and national regulations and the International Conference on
Harmonization (“ICH”) guidelines on GCPs. Additional GCP guidelines from the European Commission, focusing in particular on traceability, apply to
clinical trials of advanced therapy medicinal products (“ATMPs”). If the sponsor of the clinical trial is not established within the EU, it must appoint an
entity within the EU to act as its legal representative. The sponsor must take out a clinical trial insurance policy, and in most countries, the sponsor is liable
to provide ‘no fault’ compensation to any study subject injured in the clinical trial.

The regulatory landscape related to clinical trials in the EU has been subject to recent changes. The EU Clinical Trials Regulation (“CTR”), which was
adopted in April 2014 and repeals the EU Clinical Trials Directive, became applicable on January 31, 2022. Unlike directives, the CTR is directly
applicable in all EU member states without the need for member states to further implement it into national law. The CTR notably harmonizes the
assessment and supervision processes for clinical trials throughout the EU via a Clinical Trials Information System, which contains a centralized EU portal
and database.

While the Clinical Trials Directive required a separate CTA to be submitted in each member state, to both the competent national health authority and an
independent ethics committee, much like the FDA and IRB respectively, the CTR introduces a centralized process and only requires the submission of a
single application to all member states concerned. The CTR allows sponsors to make a single submission to both the competent authority and an ethics
committee in each member state, leading to a single decision per member state. The CTA must include, among other things, a copy of the trial protocol and
an investigational medicinal product dossier containing information about the manufacture and quality of the medicinal product under investigation. The
assessment procedure of the CTA has been harmonized as well, including a joint assessment by all member states concerned, and a separate assessment by
each member state with respect to specific requirements related to its own territory, including ethics rules. Each member state’s decision is communicated
to the sponsor via the centralized EU portal. Once the CTA is approved, clinical study development may proceed.

The CTR foresees a three-year transition period. The extent to which ongoing and new clinical trials will be governed by the CTR varies. For clinical trials
whose CTA was made under the Clinical Trials Directive before January 31, 2022, the Clinical Trials Directive will continue to apply on a transitional basis
for three years. Additionally, sponsors may still choose to submit a CTA under either the Clinical Trials Directive or the CTR until January 31, 2023 and, if
authorized, those will be governed by the Clinical Trials Directive until January 31, 2025. By that date, all ongoing trials will become subject to the
provisions of the CTR.  

Medicines used in clinical trials must be manufactured in accordance with Good Manufacturing Practice (“GMP”). Other national and EU-wide regulatory
requirements may also apply.

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Marketing authorization

To market a medicinal product in the EU, we must obtain a marketing authorization (“MA”). To obtain regulatory approval of a product candidate under
EU regulatory systems, we must submit a marketing authorization application (“MAA”). The process for doing this depends, among other things, on the
nature of the medicinal product. There are two types of MAs:

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•

•

“Centralized MAs” are issued by the European Commission through the centralized procedure, based on the opinion of the Committee for
Medicinal Products for Human Use (“CHMP”) of the European Medicines Agency (“EMA”) and arevalid throughout the EU. The centralized
procedure is mandatory for certain types of products, such as (i)medicinal products derived from biotechnology processes, (ii) designated orphan
medicinal products, (iii) ATMPs (such as gene therapy, somatic cell therapy and tissue engineered products), and (iv) medicinal products
containing a new active substance indicated for the treatment certain diseases, such as HIV/AIDS, cancer, neurodegenerative disorders, diabetes,
auto immune and other immune dysfunctions and viral diseases. The centralized procedure is optional for products containing a new active
substance not yet authorized in the EU, or for products that constitute a significant therapeutic, scientific or technical innovation or which are in
the interest of public health in the EU. Under the centralized procedure, the maximum timeframe for the evaluation of an MAA is 210 days,
excluding clock stops. Accelerated evaluation might be granted by the CHMP in exceptional cases when a medicinal product is of major interest
from the point of view of public health and in particular from the viewpoint of therapeutic innovation. If the CHMP accepts such request, the
time limit of 210 days will be reduced to 150 days but it is possible that the CHMP can revert to the standard time limit for the centralized
procedure if it considers that it is no longer appropriate to conduct an accelerated assessment.

“Conditional MAs” may be granted in cases where all the required safety and efficacy data are not yet available. The conditional MA is subject
to conditions to be fulfilled for generating the missing data or ensuring increased safety measures. It is valid for one year and has to be renewed
annually until fulfillment of all the conditions. Once the pending studies are provided, it can become a “standard” MA. However, if the
conditions are not fulfilled within the timeframe set by the EMA, the MA ceases to be renewed. Furthermore, MAs may also be granted “under
exceptional circumstances” when the applicant can show that it is unable to provide comprehensive data on the efficacy and safety under normal
conditions of use even after the product has been authorized and subject to specific procedures being introduced. This may arise in particular
when the intended indications are very rare and, in the present state of scientific knowledge, it is not possible to provide comprehensive
information, or when generating data may be contrary to generally accepted ethical principles. This MA is close to the conditional MA as it is
reserved to medicinal products to be approved for severe diseases or unmet medical needs and the applicant does not hold the complete data set
legally required for the grant of a MA. However, unlike the conditional MA, the applicant does not have to provide the missing data and will
never have to. Although the MA “under exceptional circumstances” is granted definitively, the risk-benefit balance of the medicinal product is
reviewed annually and the MA is withdrawn in case the risk-benefit ratio is no longer favorable.

“National MAs”, are issued by the competent authorities of EU member states and only cover their respective territory, and are available for
products not falling within the mandatory scope of the Centralized Procedure. Where a product has already been authorized for marketing in an
EU member state, this national MA can be recognized in another member state through the mutual recognition procedure. If the product has not
received a national MA in any member state at the time of application, it can be approved simultaneously in various member states through the
decentralized procedure. Under the Decentralized Procedure an identical dossier is submitted to the competent authority of each of the member
states in which the MA is sought, one of which is selected by the applicant as the reference member state.

Under the above described procedures, in order to grant the MA, the EMA or the competent authorities of the EU member states make an assessment of the
risk benefit balance of the product on the basis of scientific criteria concerning its quality, safety and efficacy. MAs have an initial duration of five years.
After these five years, the authorization may be renewed on the basis of a reevaluation of the risk-benefit balance.

Priority medicines scheme

Innovative products that target an unmet medical need and are expected to be of major public health interest may be eligible for a number of expedited
development and review programs, such as the so-called Priority Medicines (“PRIME”) scheme, which provides incentives similar to the breakthrough
therapy designation in the U.S.  PRIME was launched in 2016 by the EMA to support the development and accelerate the review of new therapies to treat
patients with unmet medical need. This voluntary scheme is based on enhanced interaction and early dialogue with developers of promising medicines, to
optimize development plans and speed up evaluation so these medicines can reach patients earlier. To qualify for PRIME, product candidates require early
clinical evidence that the therapy has the potential to offer a therapeutic advantage over existing treatments or benefits patients without treatment options.
Product developers that benefit from PRIME designation can expect to be eligible for accelerated assessment but this is not guaranteed. Many benefits
accrue to sponsors of product candidates with PRIME designation, including but not limited to, early and proactive regulatory dialogue with the EMA,
frequent discussions on clinical trial designs and other development program elements, and accelerated MAA assessment once a dossier has been
submitted. Importantly, a dedicated contact and rapporteur from the CHMP

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is appointed early in the PRIME scheme facilitating increased understanding of the product at EMA’s committee level. An initial meeting initiates these
relationships and includes a team of multidisciplinary experts at the EMA to provide guidance on the overall development and regulatory strategies.
Innovative medicines fulfilling a medical need may also benefit from different types of fast track approvals, such as a conditional marketing authorization
or a marketing authorization under exceptional circumstances granted on the basis of less comprehensive clinical data than normally required (respectively
in the likelihood that the sponsor will provide such data within an agreed timeframe or when comprehensive data cannot be obtained even after
authorization).

Advanced therapy classification

Based on legislation adopted in 2007, the EMA established an additional regulatory designation for products classified as an ATMP. The ATMP designation
offers sponsors a variety of benefits similar to those associated with the PRIME scheme, including scientific and regulatory guidance, additional
opportunities for dialogue with regulators, and presubmission review and certification of the chemistry, manufacturing and controls (“CMC”) and
nonclinical data proposed for submission in a forthcoming MA applications for micro-, small-, or medium-sized enterprises. To qualify for this designation,
product candidates intended for human use must be based on gene therapy, somatic cell therapy, or tissue engineered therapy.

Data and marketing exclusivity

In the EU, new products authorized for marketing, or reference products, generally receive eight years of data exclusivity and an additional two years of
market exclusivity upon MA. The data exclusivity period prevents generic or biosimilar applicants from relying on the pre-clinical and clinical trial data
contained in the dossier of the reference product when applying for a generic or biosimilar MA in the EU during a period of eight years from the date on
which the reference product was first authorized in the EU. The market exclusivity period prevents a successful generic or biosimilar applicant from
commercializing its product in the EU until 10 years have elapsed from the initial authorization of the reference product in the EU. The 10-year market
exclusivity period can be extended to a maximum of eleven years if, during the first eight years of those 10 years, the MA holder obtains an authorization
for one or more new therapeutic indications which, during the scientific evaluation prior to their authorization, are held to bring a significant clinical benefit
in comparison with existing therapies.

There is a special regime for biosimilars, or biological medicinal products that are similar to a reference medicinal product but that do not meet the
definition of a generic medicinal product, for example, because of differences in raw materials or manufacturing processes.  For such products, the results
of appropriate preclinical or clinical trials must be provided, and guidelines from the EMA detail the type of quantity of supplementary data to be provided
for different types of biological product. There are no such guidelines for complex biological products, such as gene or cell therapy medicinal products, and
so it is unlikely that biosimilars of those products will currently be approved in the EU. However, guidance from the EMA states that they will be
considered in the future in light of the scientific knowledge and regulatory experience gained at the time.

Pediatric development

In the EU, MAAs for new medicinal products have to include the results of studies conducted in the pediatric population, in compliance with a pediatric
investigation plan (“PIP”), agreed with the EMA’s Pediatric Committee (“PDCO”). The PIP sets out the timing and measures proposed to generate data to
support a pediatric indication of the drug for which marketing authorization is being sought. The PDCO can grant a deferral of the obligation to implement
some or all of the measures of the PIP until there are sufficient data to demonstrate the efficacy and safety of the product in adults. Further, the obligation to
provide pediatric clinical trial data can be waived by the PDCO when these data is not needed or appropriate because the product is likely to be ineffective
or unsafe in children, the disease or condition for which the product is intended occurs only in adult populations, or when the product does not represent a
significant therapeutic benefit over existing treatments for pediatric patients. Once the MA is obtained in all EU member states and study results are
included in the product information, even when negative, the product is eligible for six months’ supplementary protection certificate extension (if any is in
effect at the time of authorization) or, in the case of orphan products, a two year extension of the orphan market exclusivity.

Orphan Medicinal Products

In the EU, a medicinal product can be designated as an orphan if its sponsor can establish that (1) the product is intended for the diagnosis, prevention or
treatment of a life-threatening or chronically debilitating condition; and (2) either (a) such condition affects not more than five in ten thousand persons in
the EU when the application is made, or (b) without incentives, it is unlikely that the marketing of the product in the EU would generate sufficient return to
justify the necessary investment; and (3) there exists no satisfactory method of diagnosis, prevention or treatment of the condition in question that has been
authorized in the EU or, if such method exists, the product will be of significant benefit to those affected by that condition.

In the EU, an application for designation as an orphan product can be made any time prior to the filing of a MAA. Orphan drug designation entitles a party
to incentives such fee reductions or fee waivers, protocol assistance, and access to the centralized procedure.

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Upon grant of a MA, orphan medicinal products are entitled to a ten-year period of market exclusivity for the approved therapeutic indications, which
means the competent authorities, cannot accept another application for a MA, or grant a MA, or accept an application to extend a MA for a similar
medicinal product for the same indication for a period of ten years. The period of market exclusivity is extended by two years for orphan medicinal
products that have also complied with an agreed PIP. No extension to any supplementary protection certificate can be granted on the basis of pediatric
studies for orphan indications.

The orphan exclusivity period may, however, be reduced to six years if, at the end of the fifth year, it is established that the product no longer meets the
criteria for orphan drug designation, for example because the product is sufficiently profitable not to justify market exclusivity, or where the prevalence of
the condition has increased above the threshold. Granting of an authorization for another similar orphan medicinal product where another product has
market exclusivity can happen at any time if: (i) the second applicant can establish that its product, although similar to the authorized product, is safer,
more effective or otherwise clinically superior, (ii) inability of the applicant  to supply sufficient quantities of the orphan medicinal product or (iii) where
the applicant consents to a second orphan medicinal product application. A company may voluntarily remove a product from the orphan register.

Orphan designation does not convey any advantage in, or shorten the duration of, the regulatory review and approval process.

Post-Approval Requirements

Similar to the United States, both MA holders and manufacturers of medicinal products are subject to comprehensive regulatory oversight by the EMA, the
European Commission and/or the competent regulatory authorities of the member states. The holder of a MA must establish and maintain a
pharmacovigilance system and appoint an individual qualified person for pharmacovigilance who is responsible for oversight of that system. Key
obligations include expedited reporting of suspected serious adverse reactions and submission of periodic safety update reports (“PSURs”).

All new MAAs must include a risk management plan (“RMP”) describing the risk management system that the company will put in place and documenting
measures to prevent or minimize the risks associated with the product. The regulatory authorities may also impose specific obligations as a condition of the
MA. Such risk-minimization measures or post-authorization obligations may include additional safety monitoring, more frequent submission of PSURs, or
the conduct of additional clinical trials or post-authorization safety studies.  

The advertising and promotion of medicinal products is also subject to laws concerning promotion of medicinal products, interactions with physicians,
misleading and comparative advertising and unfair commercial practices. All advertising and promotional activities for the product must be consistent with
the approved summary of product characteristics, and therefore all off-label promotion is prohibited. Direct-to-consumer advertising of prescription
medicines is also prohibited in the EU. Although general requirements for advertising and promotion of medicinal products are established under EU
directives, the details are governed by regulations in each member state and can differ from one country to another.

The aforementioned EU rules are generally applicable in the European Economic Area, or EEA, which consists of the 27 EU member states plus Norway,
Liechtenstein and Iceland.

Failure to comply with EU and member state laws that apply to the conduct of clinical trials, manufacturing approval, MA of medicinal products and
marketing of such products, both before and after grant of the MA, manufacturing of pharmaceutical products, statutory health insurance, bribery and anti-
corruption or with other applicable regulatory requirements may result in administrative, civil or criminal penalties. These penalties could include delays or
refusal to authorize the conduct of clinical trials, or to grant MA, product withdrawals and recalls, product seizures, suspension, withdrawal or variation of
the MA, total or partial suspension of production, distribution, manufacturing or clinical trials, operating restrictions, injunctions, suspension of licenses,
fines and criminal penalties.

Brexit and the Regulatory Framework in the United Kingdom

The UK left the EU on January 31, 2020, following which existing EU medicinal product legislation continued to apply in the UK during the transition
period under the terms of the EU-UK Withdrawal Agreement. The transition period, which ended on December 31, 2020, maintained access to the EU
single market and to the global trade deals negotiated by the EU on behalf of its members. The transition period provided time for the UK and EU to
negotiate a framework for partnership for the future, which was then crystallized in the Trade and Cooperation Agreement (“TCA”), and became effective
on the January 1, 2021. The TCA includes specific provisions concerning pharmaceuticals, which include the mutual recognition of GMP inspections of
manufacturing facilities for medicinal products and GMP documents issued, but does not foresee wholesale mutual recognition of UK and EU
pharmaceutical regulations.

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EU laws which have been transposed into UK law through secondary legislation continue to be applicable as “retained EU law”. However, new legislation
such as the EU CTR will not be applicable. The UK government has passed a new Medicines and Medical Devices Act 2021, which introduces delegated
powers in favor of the Secretary of State or an ‘appropriate authority’ to amend or supplement existing regulations in the area of medicinal products and
medical devices. This allows new rules to be introduced in the future by way of secondary legislation, which aims to allow flexibility in addressing
regulatory gaps and future changes in the fields of human medicines, clinical trials and medical devices.

As of January 1, 2021, the Medicines and Healthcare products Regulatory Agency (“MHRA”), is the UK’s standalone medicines and medical devices
regulator. As a result of the Northern Ireland protocol, different rules will apply in Northern Ireland than in England, Wales, and Scotland (together “Great
Britain” or “GB”); broadly, Northern Ireland will continue to follow the EU regulatory regime, but its national competent authority will remain the MHRA.
The MHRA has published a guidance on how various aspects of the UK regulatory regime for medicines will operate in GB and in Northern Ireland
following the expiry of the Brexit transition period on December 31, 2020. The guidance includes clinical trials, importing, exporting, and
pharmacovigilance and is relevant to any business involved in the research, development, or commercialization of medicines in the UK. The new guidance
was given effect via the Human Medicines Regulations (Amendment etc.) (EU Exit) Regulations 2019, or the Exit Regulations.

The MHRA has introduced changes to national licensing procedures, including procedures to prioritize access to new medicines that will benefit patients,
including a 150-day assessment and a rolling review procedure. All existing EU MAs for centrally authorized products were automatically converted or
grandfathered into UK MAs, effective in GB (only), free of charge on January 1, 2021, unless the MA holder chooses to opt-out. In order to use the
centralized procedure to obtain a MA that will be valid throughout the EEA, companies must be established in the EEA. Therefore after Brexit, companies
established in the UK can no longer use the EU centralized procedure and instead an EEA entity must hold any centralized MAs. In order to obtain a UK
MA to commercialize products in the UK, an applicant must be established in the UK and must follow one of the UK national authorization procedures or
one of the remaining post-Brexit international cooperation procedures to obtain an MA to commercialize products in the UK. The MHRA may rely on a
decision taken by the European Commission on the approval of a new (centralized procedure) MA when determining an application for a GB authorization;
or use the MHRA’s decentralized or mutual recognition procedures which enable MAs approved in EU member states (or Iceland, Liechtenstein, Norway)
to be granted in GB.

There will be no pre-MA orphan designation. Instead, the MHRA will review applications for orphan designation in parallel to the corresponding MA
application. The criteria are essentially the same, but have been tailored for the market, i.e., the prevalence of the condition in GB, rather than the EU, must
not be more than five in 10,000. Should an orphan designation be granted, the period or market exclusivity will be set from the date of first approval of the
product in GB.

Other U.S. Healthcare Laws and Compliance Requirements

In the United States, our activities are potentially subject to regulation under various federal and state healthcare laws including, among others, the federal
Anti-Kickback Statute, the federal False Claims Act and HIPAA. Similar laws exist in foreign jurisdictions including the EU, as well.

The U.S. federal Anti-Kickback Statute prohibits, among other things, any person or entity, from knowingly and willfully offering, paying, soliciting or
receiving any remuneration, directly or indirectly, overtly or covertly, in cash or in kind, to induce or in return for purchasing, leasing, ordering or arranging
for the purchase, lease or order of any item or service reimbursable under Medicare, Medicaid or other federal healthcare programs. The term remuneration
has been interpreted broadly to include anything of value. A person does not need to have knowledge of the statute or specific intent to violate it to have
committed a violation.

The U.S. federal civil and criminal false claims laws, including the civil False Claims Act, which can be enforced through civil whistleblower or qui tam
actions, and civil monetary penalties laws, prohibit, among other things, any person or entity from knowingly presenting, or causing to be presented, a false
claim for payment to, or approval by, the federal government or knowingly making, using, or causing to be made or used a false record or statement
material to a false or fraudulent claim to the federal government, or from knowingly making a false statement to avoid, decrease or conceal an obligation to
pay money to the U.S. government. In addition, the government may assert that a claim including items or services resulting from a violation of the U.S.
federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the civil False Claims Act.

The U.S. Health Insurance Portability and Accountability Act of 1996, or HIPAA, created additional federal criminal statutes that prohibit knowingly and
willfully executing, or attempting to execute, a scheme to defraud or to obtain, by means of false or fraudulent pretenses, representations or promises, any
money or property owned by, or under the control or custody of, any healthcare benefit program, including private third-party payors and knowingly and
willfully falsifying, concealing or covering up by trick, scheme or device, a material fact or making any materially false, fictitious or fraudulent statement
in connection with the delivery of or payment for healthcare benefits, items or services. Similar to the U.S. federal Anti-Kickback Statute, a person or entity
does not need to have actual knowledge of the statute or specific intent to violate it in order to have committed a violation.

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Additionally, the federal Physician Payments Sunshine Act, and its implementing regulations, require that certain manufacturers of drugs, devices,
biological and medical supplies for which payment is available under Medicare, Medicaid or the Children’s Health Insurance Program (with certain
exceptions) to report annually to CMS information related to certain payments or other transfers of value made or distributed to physicians (defined to
include doctors, dentists, optometrists, podiatrists and chiropractors), certain non-physician practitioners including physician assistants and nurse
practitioners, and teaching hospitals, or to entities or individuals at the request of, or designated on behalf of, the physicians and teaching hospitals and to
report annually to CMS certain ownership and investment interests held by physicians and their immediate family members.

Moreover, analogous state and foreign laws and regulations may apply to our activities, such as state anti-kickback and false claims laws, which may apply
to our business practices, including, but not limited to, research, distribution, sales and marketing arrangements and claims involving healthcare items or
services reimbursed by non-governmental third-party payors, including private insurers, or by the patients themselves, state laws that require
pharmaceutical and device companies to comply with the industry’s voluntary compliance guidelines and the relevant compliance guidance promulgated by
the U.S. government, or otherwise restrict payments that may be made to healthcare providers and other potential referral sources, state and local laws and
regulations that require manufacturers to report information related to payments and other transfers of value to physicians and other healthcare providers or
marketing expenditures and pricing information, and state and local laws which require the registration of pharmaceutical sales representatives.

Efforts to ensure that current and future business arrangements with third parties comply with applicable healthcare laws and regulations involves
substantial costs. If a business is found to be in violation of any of these or any other health regulatory laws that may apply to it, it may be subject to
significant penalties, including the imposition of significant civil, criminal and administrative penalties, damages, monetary fines, disgorgement, individual
imprisonment, possible exclusion from participation in Medicare, Medicaid and other U.S. healthcare programs, additional reporting requirements and
oversight if subject to a corporate integrity agreement or similar agreement to resolve allegations of non-compliance with these laws, contractual damages,
reputational harm, diminished profits and future earnings, and curtailment or restructuring of operations.

Coverage, Pricing and Reimbursement

Significant uncertainty exists as to the coverage and reimbursement status for newly approved therapeutics. In the United States and markets in other
countries, sales of any products for which we receive regulatory approval for commercial sale will depend, in part, on the extent to which third-party payors
provide coverage, and establish adequate reimbursement levels for such products. In the United States, third-party payors include federal and state
healthcare programs, private managed care providers, health insurers and other organizations. For products administered under the supervision of a
physician, obtaining coverage and adequate reimbursement may be particularly difficult because of the higher prices often associated with such drugs. A
payor’s decision to provide coverage for a product does not imply that an adequate reimbursement rate will be approved. Further, one payor’s
determination to provide coverage for a product does not assure that other payors will also provide coverage for the product. Moreover, the coverage
provided may be more limited than the purposes for which the product is approved by the FDA. It is also possible that a third-party payor may consider a
product as substitutable and only offer to reimburse patients for the less expensive product. Adequate third-party payor reimbursement may not be available
to enable us to maintain price levels sufficient to realize an appropriate return on our investment in product development. Coverage policies and third-party
payor reimbursement rates may change at any time. Even if favorable coverage and reimbursement status is attained for one or more products for which we
receive regulatory approval, less favorable coverage policies and reimbursement rates may be implemented in the future.

In the EU, governments influence the price of products through their pricing and reimbursement rules and control of national health care systems that fund
a large part of the cost of those products to consumers. Member states are free to restrict the range of pharmaceutical products for which their national
health insurance systems provide reimbursement, and to control the prices and reimbursement levels of pharmaceutical products for human use. Some
jurisdictions operate positive and negative list systems under which products may only be marketed once a reimbursement price has been agreed to by the
government. Member states may approve a specific price or level of reimbursement for the pharmaceutical product, or alternatively adopt a system of direct
or indirect controls on the profitability of the company responsible for placing the pharmaceutical product on the market, including volume-based
arrangements, caps and reference pricing mechanisms. To obtain reimbursement or pricing approval, some of these countries may require the completion of
clinical trials that compare the cost effectiveness of a particular product candidate to currently available therapies. Other member states allow companies to
fix their own prices for medicines, but monitor and control company profits. The downward pressure on health care costs in general, particularly
prescription products, has become very intense. As a result, increasingly high barriers are being erected to the entry of new products. In addition, in some
countries, cross border imports from low-priced markets exert a commercial pressure on pricing within a country.

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Healthcare Reform

In the United States and some foreign jurisdictions, there have been, and continue to be, several legislative and regulatory changes and proposed changes
regarding the healthcare system that could prevent or delay marketing approval of product candidates, restrict or regulate post-approval activities, and
affect the ability to profitably sell product candidates for which marketing approval is obtained. Among policy makers and payors in the United States and
elsewhere, there is significant interest in promoting changes in healthcare systems with the stated goals of containing healthcare costs, improving quality
and/or expanding access. The Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act, collectively
the ACA, enacted in March 2010, has substantially changed healthcare financing and delivery by both governmental and private insurers. Among other
things the ACA included the following provisions:

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an annual, nondeductible fee on any entity that manufactures or imports certain specified branded prescription drugs and biologic agents
apportioned among these entities according to their market share in some government healthcare programs;

an increase in the statutory minimum rebates a manufacturer must pay under the Medicaid Drug Rebate Program;

a new Medicare Part D coverage gap discount program, in which manufacturers must now agree to point-of-sale discounts of 70% off negotiated
prices of applicable brand drugs to eligible beneficiaries during their coverage gap period, as a condition for the manufacturers’ outpatient drugs
to be covered under Medicare Part D;

extension of manufacturers’ Medicaid rebate liability to covered drugs dispensed to individuals who are enrolled in Medicaid managed care
organizations;

expansion of eligibility criteria for Medicaid programs;

expansion of the entities eligible for discounts under the 340B Drug Discount Program;

a new Patient-Centered Outcomes Research Institute to oversee, identify priorities in, and conduct comparative clinical effectiveness research,
along with funding for such research;

a new methodology by which rebates owed by manufacturers under the Medicaid Drug Rebate Program are calculated for drugs that are inhaled,
infused, instilled, implanted, or injected; and

a licensure framework for follow on biologic products.

Since its enactment, there have been judicial, administrative, executive, and legislative challenges to certain aspects of the ACA. On June 17, 2021, the
U.S. Supreme Court (the “Supreme Court”) dismissed the most recent judicial challenge to the ACA brought by several states on procedural grounds
without specifically ruling on the constitutionality of the ACA. Thus, the ACA will remain in effect in its current form. Prior to the Supreme Court's
decision. President Biden issued an executive order that initiated a special enrollment period from February 15, 2021 through August 15, 2021 for purposes
of obtaining health insurance coverage through the ACA marketplace. The executive order also instructed certain governmental agencies to review and
reconsider their existing policies and rules that limit access to healthcare, including among others, reexamining Medicaid demonstration projects and
waiver programs that include work requirements, and policies that create unnecessary barriers to obtaining access to health insurance coverage through
Medicaid or the ACA. It is unclear how other health reform measures of the Biden administration will impact our business.

In addition, other legislative changes have been proposed and adopted since the ACA was enacted. On August 2, 2011, the Budget Control Act of 2011 was
signed into law, which, among other things, included reductions to Medicare payments to providers of 2% per fiscal year, which went into effect on April 1,
2013 and, due to subsequent legislative amendments to the statute will remain in effect through 2030, with the exception of a temporary suspension from
May 1, 2020 through March 31, 2022, unless additional Congressional action is taken. On January 2, 2013, the American Taxpayer Relief Act of 2012 was
signed into law, which, among other things, reduced Medicare payments to several providers, including hospitals, and increased the statute of limitations
period for the government to recover overpayments to providers from three to five years.

Finally, there has been heightened governmental scrutiny recently over pharmaceutical pricing practices in light of the rising cost of prescription drugs and
biologics. Such scrutiny has resulted in several recent Congressional inquiries and proposed and enacted federal and state legislation designed to, among
other things, bring more transparency to product pricing, review the relationship between pricing and manufacturer patient programs, and reform
government program reimbursement methodologies, rebates and price negotiation for pharmaceutical products. At the state level, legislatures have
increasingly passed legislation and implemented regulations designed to control pharmaceutical product and medical device pricing, including price or
patient reimbursement constraints, discounts, restrictions on certain product access and marketing cost disclosure and transparency measures, and, in some
cases, designed to encourage importation from other countries and bulk purchasing. In addition, regional healthcare authorities and individual hospitals are
increasingly using bidding procedures to determine what pharmaceutical products and medical devices to purchase and which suppliers will be included in
their prescription drug and other healthcare programs.

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Data Privacy and Security

Numerous state, federal and foreign laws, including consumer protection laws and regulations, govern the collection, dissemination, use, access to,
confidentiality and security of personal information, including health-related information. In the United States, numerous federal and state laws and
regulations, including data breach notification laws, health information privacy and security laws, including HIPAA, and federal and state consumer
protection laws and regulations (e.g., Section 5 of the FTC Act), that govern the collection, use, disclosure, and protection of health-related and other
personal information could apply to our operations or the operations of our partners. In addition, certain state foreign laws, such as the California Consumer
Privacy Act (“CCPA”), the California Privacy Rights Act (“CPRA”), and the EU General Data Protection Regulation (“GDPR”) and the UK GDPR,
govern the privacy and security of personal information, including health-related information in certain circumstances, some of which are more stringent
than HIPAA and many of which differ from each other in significant ways and may not have the same effect, thus complicating compliance efforts. Failure
to comply with these laws, where applicable, can result in the imposition of significant civil and/or criminal penalties and private litigation.  Privacy and
security laws, regulations, and other obligations are constantly evolving, may conflict with each other to complicate compliance efforts, and can result in
investigations, proceedings, or actions that lead to significant civil and/or criminal penalties and restrictions on data processing.

Human Capital

We are a purpose-driven organization, and we believe we have carefully promoted a culture that values innovation, accountability, respect, adaptability and
perseverance. We strive to ensure that our open, collaborative culture empowers Precisioneers to be their best selves and do their best work. We strongly
believe that our shared values will help our team navigate and overcome challenges we may experience as we pursue our mission of improving life through
genome editing. Our culture has helped build a world-class team with industry-leading experience in genome editing and we believe this will continue to
attract new talent to further build our capabilities. Our team is a group of motivated individuals that value the opportunity to contribute their time and
talents toward the pursuit of improving life. We believe all Precisioneers appreciate high-quality research and are moved by the opportunity to translate
their work into treatments and solutions that could impact human health.

We are a company and a community dedicated to improving life. This isn’t just a statement supporting the products that we are developing – it is a
statement that speaks to our collective desire to do our part in improving the lives of those around us. Through our Diversity and Inclusion initiative, we are
actively fostering an environment that attracts the best talent, values diversity of life experiences and perspectives, and encourages innovation in pursuit of
our mission. With guest lectures, new trainings, development of employee resource groups, and other activities, we are supporting a workplace that reflects
and embraces the gender, race, ethnicity, sexual orientation, age, physical ability, as well as all cultural backgrounds in our community. As of February 24,
2022, our workforce was self-reportedly approximately 49% women and approximately 27% Asian, Black, Latinx, two or more races, or not defined. Our
senior leadership team and department heads were self-reportedly approximately 28% women and 12% Asian or Black as of February 25, 2021.

Notable benefits we offer to our full-time Precisioneers include:

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employer sponsored health insurance;

employer 401(k) matching contributions;

generous paid time off policies;

wellness programs including employee assistance programs, wellness reimbursement, and an on-site gym; and

professional development programs including a tuition reimbursement program

The health and safety of our Precisioneers is also a top priority. The global effects associated with the COVID-19 pandemic have been unprecedented in
their scope and depth. We have implemented measures to mitigate exposure risks and support operations. We initiated a health and safety program
addressing mandatory use of face masks, mandatory vaccinations, social distancing, sanitary handwashing practices, use of personal protective equipment
stations, stringent cleaning and sanitization of all facilities and measures to reduce total occupancy in facilities. We have implemented temperature and
symptom screening procedures at each location, and we have continuously communicated to all our Precisioneers that if they are not comfortable coming to
work, regardless of role, then they do not have to do so. Throughout this crisis, our focus has been on keeping our workplace as safe as possible, while
ensuring business continuity and positioning ourselves well for the future.

As of December 31, 2021, we had 198 full-time Precisioneers. Of these full-time employees, 156 are engaged in research and development activities and
45 have Ph.D. or M.D. degrees. None of our employees are represented by a labor union or covered by a collective bargaining agreement.

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Corporate Information

We were incorporated in Delaware in January 2006. Our principal executive offices are located at 302 East Pettigrew St., Suite A-100, Durham, North
Carolina 27701, and our telephone number is (919) 314-5512. Our website address is www.precisionbiosciences.com. The information contained in, or
accessible through, our website does not constitute a part of this Annual Report on Form 10-K.

Available Information

We file annual, quarterly and current reports, proxy statements and other information with the U.S. Securities and Exchange Commission (“SEC”). Our
SEC filings are available to the public over the Internet at the SEC’s website at www.sec.gov. Our SEC filings are also available free of charge under the
Investors and Media section of our website at www.precisionbiosciences.com as soon as reasonably practicable after they are filed with or furnished to the
SEC. Our website and the information contained on or connected to that site are not incorporated into this Annual Report on Form 10-K.

We may use our website as a distribution channel of material information about the Company. Financial and other important information regarding the
Company is routinely posted on and accessible through the Investors and Media section of our website at www.precisionbiosciences.com. In addition, you
may automatically receive email alerts and other information about the Company when you enroll your email address by visiting the “Email Alerts” option
under Investor Tools of the Investors and Media section of our website at www.precisionbiosciences.com.

40

Item 1A. Risk Factors.

Investing in our common stock involves a high degree of risk. Before investing in our common stock, you should consider carefully the risks described
below, together with the other information included or incorporated by reference in this Annual Report on Form 10-K. The occurrence of any of the
following risks could materially adversely affect our business, financial condition, results of operations and future growth prospects. In these
circumstances, the market price of our common stock could decline, and you may lose all or part of your investment.

Risks Related to Our Financial Condition, Limited Operating History and Need for Additional Capital

We have incurred significant operating losses since our inception and expect to continue to incur losses for the foreseeable future. We have not been
profitable and may not achieve or maintain profitability.

We do not expect to be profitable in the foreseeable future. Since inception, we have incurred significant operating losses. If our product candidates are not
successfully developed and approved, we may never generate any revenue from product sales. Our net loss was $30.6 million for the year ended December
31, 2021 and we reported a net loss of $109.0 million for the year ended December 31, 2020. As of December 31, 2021, we had an accumulated deficit of
$316.7 million. In addition, we have not commercialized any products and have never generated any revenue from product sales. Substantially all of our
losses have resulted from expenses incurred in connection with our research and development activities, including our preclinical development activities,
and from general and administrative costs associated with our operations. We have financed our operations primarily through proceeds from upfront and
milestone payments from collaboration and licensing agreements, our IPO, private placements of our convertible preferred stock and convertible debt
financings, at-the-market offerings of common stock, and borrowings on credit facilities. The amount of our future net losses will depend, in part, on the
amount and growth rate of our expenses and our ability to generate revenues.

All of our current or future product candidates will require substantial additional development time and resources before we may realize revenue from
product sales, if at all. We expect to continue to incur significant expenses and operating losses for the foreseeable future. Our expenses have increased and
we anticipate will continue to increase substantially if and as we:

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continue our current research and development programs, including conducting laboratory, and preclinical studies for product candidates;

continue to conduct or initiate clinical trials for product candidates;

seek to identify, assess, acquire or develop additional research programs or product candidates;

maintain, expand and protect our intellectual property portfolio;

seek marketing approvals for any product candidates that may successfully complete development;

establish a sales, marketing and distribution infrastructure to commercialize any products that may obtain marketing approval;

further develop and refine the manufacturing process for our product candidates;

change or add additional manufacturers or suppliers of biological materials or product candidates;

further develop our genome editing technology;

acquire or in-license other technologies;

seek to attract new and retain existing personnel;

expand our facilities; and

incur increased costs as a result of operating as a public company.

It will be several years, if ever, before we obtain regulatory approval for, and are ready for commercialization of, a therapeutic product candidate. Even if a
therapeutic product candidate receives regulatory approval, future revenues for such product candidate will depend upon many factors, such as, as
applicable, the size of any markets in which such product candidate is approved for sale, the market share captured by such product candidate, including as
a result of the market acceptance of such product candidate and the effectiveness of manufacturing, sales, marketing and distribution operations related to
such product candidate, the terms of any collaboration or other strategic arrangement we may have with respect to such product candidate and levels of
reimbursement from third-party payors. If we are unable to develop and commercialize one or more product candidates either alone or with collaborators,
or if revenues from any product candidate that receives marketing approval or is commercialized are insufficient, we may not achieve

41

 
 
 
 
 
 
 
 
 
 
 
 
 
 
profitability. Even if we do achieve profitability, we may not be able to sustain or increase profitability. If we are unable to achieve and maintain
profitability, the value of our common stock will be materially adversely affected.

We will need substantial additional funding, and if we are unable to raise a sufficient amount of capital when needed on acceptable terms, or at all, we
may be forced to delay, reduce or eliminate some or all of our research programs, product development activities and commercialization efforts.

The process of identifying product candidates and conducting preclinical studies and clinical trials is time consuming, expensive, uncertain and takes years
to complete. We expect our expenses to increase in connection with our ongoing activities, particularly as we identify, continue the research and
development of, initiate and continue clinical trials of, and seek marketing approval for, product candidates. In addition, if any therapeutic product
candidate that we develop alone or with collaborators obtains marketing approval, we may incur significant commercialization expenses related to product
manufacturing, sales, marketing and distribution efforts. Furthermore, we have incurred, and expect to continue to incur additional costs associated with
operating as a public company. Accordingly, we will need to obtain substantial additional funding in connection with our continuing operations. If we are
unable to raise sufficient capital when needed, we may be forced to delay, reduce or eliminate current or future research programs, product development
activities and/or commercialization efforts.

We believe that, as of the date of this Annual Report on Form 10-K, existing cash and cash equivalents, expected operational receipts and available credit
will allow us to fund our operating expense and capital expenditure requirements into mid-2023. We have based this estimate on assumptions that may
prove to be wrong, and we could use our capital resources sooner than we currently expect. Our operating plans and other demands on our cash resources
may change as a result of many factors, including factors unknown to us, and we may need to seek additional funds sooner than planned, through public or
private equity or debt financings or other sources, such as strategic collaborations. We do not currently expect future grant revenues to be a material source
of revenue.

Attempting to secure additional financing may divert our management from our day-to-day activities, which may adversely affect our ability to develop
product candidates. Our future capital requirements will depend on many factors, including:

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the timing, scope, progress, costs, results and analysis of results of research activities, preclinical studies and clinical trials for any of our product
candidates;

the costs of future activities, including product manufacturing, sales, marketing and distribution activities for any product candidates that receive
regulatory approval;

the success of our existing collaborative relationships;

the extent to which we exercise any development or commercialization rights under collaborative relationships;

our ability to establish and maintain additional collaborative relationships on favorable terms, or at all;

the extent to which we expand our operations and the timing of such expansion, including with respect to facilities, employees and product
development platforms;

the costs of preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property and proprietary rights and
defending intellectual property-related claims;

the extent to which we acquire or in-license other technologies or product candidates;

the extent to which we acquire or invest in other businesses;

the costs of continuing to operate as a public company; and

the amount of revenues, if any, received from commercial sales of any products that we develop alone or with collaborators that receive
regulatory approval.

Even if we believe we have sufficient funds for our current or future operating plans, we may continue to seek additional capital if market conditions are
favorable or in light of specific strategic considerations. Adequate additional financing may not be available to us on acceptable terms, or at all. If we are
unable to obtain sufficient funding on a timely basis or on favorable terms, we may be required to significantly delay, reduce or eliminate one or more of
our research or product development programs and/or commercialization efforts. We may also be unable to expand our operations or otherwise capitalize
on business opportunities as desired. Any of these events could materially adversely affect our financial condition and business prospects.

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Provisions of our debt instruments may restrict our ability to pursue our business strategies.

In May 2019, the Company entered into a loan and security agreement with Pacific Western Bank (“PWB”), (as subsequently amended, the “Revolving
Line”). Pursuant to the terms of the Revolving Line, we may request advances on a revolving line of credit of up to an aggregate principal of $30.0 million
and the maturity date of the Revolving Line is June 23, 2023. As of December 31, 2021, we had $2.5 million in borrowings under our Revolving Line.
Pursuant to the terms of the Revolving Line, we granted PWB a security interest in substantially all of our assets, excluding any of the intellectual property
now or hereafter owned, acquired or received by us (but including any rights to payment from the sale or licensing of any such intellectual property).  

The Revolving Line requires us, and any debt instruments we may enter into in the future may require us, to comply with various covenants that limit our
ability to, among other things:

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dispose of assets;

change our name, location, executive office or executive management, business, fiscal year, or control;

complete mergers or acquisitions;

incur indebtedness;

encumber assets;

pay dividends or make other distributions to holders of our capital stock;

make specified investments;

make capitalized expenditures in excess of $40 million in the aggregate during each fiscal year;

maintain less than $10.0 million of unrestricted cash at PWB; and

engage in certain transactions with our affiliates.

These restrictions could inhibit our ability to pursue our business strategies. In addition, we are subject to financial covenants based on minimum cash
balances.

Raising additional capital may cause dilution to our stockholders restrict our operations or require us to relinquish rights to our technologies or
product candidates.

Until such time, if ever, as we can generate substantial product revenues, we expect to finance our cash needs through a combination of equity and/or debt
financings and collaborations, licensing agreements or other strategic arrangements. To the extent that we raise additional capital through the sale of equity
or convertible debt securities, including in at-the-market offerings, your ownership interest will be diluted, and the terms of such securities may include
liquidation or other preferences that adversely affect your rights as a common stockholder. To the extent that we raise additional capital through debt
financing, it would result in increased fixed payment obligations and a portion of our operating cash flows, if any, being dedicated to the payment of
principal and interest on such indebtedness. In addition, debt financing may involve agreements that include restrictive covenants that impose operating
restrictions, such as restrictions on the incurrence of additional debt, the making of certain capital expenditures or the declaration of dividends. To the
extent we raise additional capital through arrangements with collaborators or otherwise, we may be required to relinquish some of our technologies,
research programs, product development activities, product candidates and/or future revenue streams, license our technologies and/or product candidates on
unfavorable terms or otherwise agree to terms unfavorable to us. Furthermore, any capital raising efforts may divert our management from their day-to-day
activities, which may adversely affect our ability to advance research programs, product development activities or product candidates.

We have a limited operating history, which makes it difficult to evaluate our current business and future prospects and may increase the risk of your
investment.

We are a genome editing company with a limited operating history. We formed our company in 2006 and spent the first nine years of our company’s history
developing and refining our core technology, and only during the past several years have we focused our efforts on advancing the development of product
candidates.

Investment in biopharmaceutical product development is a highly speculative endeavor. It entails substantial upfront capital expenditures, and there is
significant risk that any product candidate will fail to demonstrate adequate efficacy or an acceptable safety profile, obtain any required regulatory
approvals or become commercially viable. Our genome editing platform and the technologies we are using are new and unproven. We have initiated a
Phase 1/2a clinical trial in patients with R/R NHL and R/R B-ALL, a Phase 1 clinical trial in patients with NHL and a Phase 1/2a clinical trial in patients
with R/R multiple myeloma. We have not yet

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demonstrated an ability to successfully complete any clinical trials, obtain any required marketing approvals, manufacture products, conduct sales,
marketing and distribution activities, or arrange for a third party to do any of the foregoing on our behalf. Consequently, any predictions made about our
future success or viability may not be as accurate as they could be if we had a history of successfully developing and commercializing products.

Additionally, we encounter risks and difficulties frequently experienced by new and growing companies in rapidly developing and changing industries,
including challenges in forecasting accuracy, determining appropriate investments of our limited resources, gaining market acceptance of our technology,
managing a complex regulatory landscape and developing new product candidates, which may make it more difficult to evaluate our likelihood of success.
Our current operating model may require changes in order for us to adjust to these challenges or scale our operations efficiently. Our limited operating
history, particularly in light of the rapidly evolving nature of the biopharmaceutical industry and the genome editing field, may make it difficult to evaluate
our technology and business prospects or to predict our future performance. Additionally, due to the stage of our operations, we expect that our financial
condition and operating results may fluctuate significantly from quarter to quarter as a result of many factors as we build our business, and you should not
rely upon the results of any particular quarterly or annual period as indications of future operating performance.

We may expend our limited resources on pursuing particular research programs or product candidates that may be less successful or profitable than
other programs or product candidates.

Research programs to identify new product candidates and product development platforms require substantial technical, financial and human resources. We
may focus our efforts and resources on potential programs, product candidates or product development platforms that ultimately prove to be unsuccessful.
Any time, effort and financial resources we expend on identifying and researching new product candidates and product development platforms may divert
our attention from, and adversely affect our ability to continue, development and commercialization of existing research programs, product candidates and
product development platforms. Clinical trials of any of our product candidates may never commence despite the expenditure of significant resources in
pursuit of their development, and our spending on current and future research and development programs, product candidates and product development
platforms may not yield any commercially viable products. As a result of having limited financial and managerial resources, we may forego or delay
pursuit of opportunities that later prove to have greater commercial potential. For example, in 2021 we entered into an agreement with a syndicate of
investors to separate from our wholly owned subsidiary, Elo Life Systems, and create an independent new food and agriculture business. Our resource
allocation decisions may cause us to fail to timely capitalize on viable commercial products or profitable market opportunities. Additionally, if we do not
accurately evaluate the commercial potential or target market for a particular product candidate, we may relinquish valuable rights to that product candidate
through collaboration, licensing or other strategic arrangements in cases in which it would have been more advantageous for us to retain sole development
and commercialization rights to such product candidate.

Risks Related to the Identification, Development and Commercialization of Our Product Candidates

ARCUS is a novel technology, making it difficult to predict the time, cost and potential success of product candidate development. We have not yet been
able to assess the safety and efficacy of most of our product candidates in humans and have only limited safety and efficacy information in humans to
date regarding three of our product candidates.

Our success depends on our ability to develop and commercialize product candidates using our novel genome editing technology. The novel nature of our
technology makes it difficult to accurately predict the developmental challenges we may face for product candidates as they proceed through research,
preclinical studies and clinical trials. There have been a limited number of clinical trials of products created with genome editing technologies, four of
which have utilized our technology. Because our therapeutic research programs are all in preclinical or early clinical stages, we have only been able to
assess limited safety and efficacy data for one of our product candidates in a human trial. Current or future product candidates may not meet safety and
efficacy requirements for continued development or ultimate approval in humans and may cause significant adverse events or toxicities. All of our product
candidates are designed to act at the level of DNA, and because animal DNA differs from human DNA, it will be difficult for us to test our therapeutic
product candidates in animal models for either safety or efficacy, and any testing that we conduct may not translate to their effects in humans. Moreover,
animal models may not exist for some of the targets, diseases or indications that we intend to pursue. Our product candidates may not be able to properly
implement desired genetic edits with sufficient accuracy to be viable therapeutic products, and there may be long-term effects associated with them that we
cannot predict at this time. Any problems we experience related to the development of our genome editing technology or any of our or our collaborators’
research programs or product candidates may cause significant delays or unanticipated costs, and we may not be able to satisfactorily solve such problems.
These factors may prevent us or our collaborators from completing our preclinical studies or any clinical trials that we or our collaborators have ongoing or
may initiate, or profitably commercializing any product candidates on a timely basis, or at all. We may also experience delays in developing a sustainable,
reproducible and scalable manufacturing process as we develop and prepare to commercialize product candidates. These factors make it more difficult for
us to predict the time, cost and potential success of product candidate development. If our product development activities take longer or cost more than
anticipated, or if they ultimately are not successful, it would materially adversely affect our business and results of operations.

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The genome editing field is relatively new and evolving rapidly, and other existing or future technologies may provide significant advantages over our
ARCUS platform, which could materially harm our business.

To date, we have focused our efforts on optimizing our proprietary genome editing technology and exploring its potential applications. ARCUS is a novel
genome editing technology using sequence-specific DNA-cutting enzymes, or nucleases, that is designed to perform modifications in the DNA of living
cells and organisms. Other companies have previously undertaken research and development of genome editing technologies using zinc finger nucleases,
transcription activator-like effector nucleases (“TALENs”) and clustered regularly interspaced short palindromic repeats associated protein-9 nuclease
(“CRISPR/Cas9”), although none has obtained marketing approval for a product candidate developed using such technologies. Other genome editing
technologies in development or commercially available, or other existing or future technologies, may lead to treatments or products that may be considered
better suited for use in human therapeutics, which could reduce or eliminate our commercial opportunity.

We are heavily dependent on the successful development and translation of ARCUS, and due to the early stages of our product development operations,
we cannot give any assurance that any product candidates will be successfully developed and commercialized.

We are at an early stage of development of the product candidates currently in our programs and are continuing to develop our ARCUS technology. To
date, we have invested substantially all of our efforts and financial resources to develop ARCUS and advance our current product development programs,
including conducting preclinical studies, early stage clinical trials and other early research and development activities, and providing general and
administrative support for these operations. We are also currently using our ARCUS technology to develop our lead in vivo gene correction programs
targeting PH1, PCSK9, HBV and DMD. Our future success is dependent on our ability to successfully develop and, where applicable, obtain regulatory
approval for, including marketing approval for, and then successfully commercialize, product candidates, either alone or with collaborators. We have not
yet developed and commercialized any product candidates, and we may not be able to do so, alone or with collaborators.

Our research and development programs may not lead to the successful identification, development or commercialization of any products.

The success of our business depends primarily upon our ability to identify, develop and commercialize products using our genome editing technology. With
the exception of our CD19, CD19B and BCMA product candidates, all current product candidates and product development programs are still in the
discovery or preclinical stages. We may be unsuccessful in advancing those product candidates into clinical development or in identifying any developing
additional product candidates. Our ability to identify and develop product candidates is subject to the numerous risks associated with preclinical and early
stage biotechnology development activities, including that:

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the use of ARCUS may be ineffective in identifying additional product candidates;

we may not be able to assemble sufficient resources to acquire or discover additional product candidates;

we may not be able to enter into collaborative arrangements to facilitate development of product candidates;

competitors may develop alternatives that render our product candidates obsolete or less attractive;

our product candidates may be covered by third parties’ patents or other exclusive rights;

the regulatory pathway for a product candidate may be too complex, expensive or otherwise difficult to navigate successfully; or

our product candidates may be shown to not be effective, have harmful side effects or otherwise pose risks not outweighed by such product
candidate’s benefits or have other characteristics that may make the products impractical to manufacture, unlikely to receive any required
marketing approval, unlikely to generate sufficient market demand or otherwise not achieve profitable commercialization.

Our product candidates currently being investigated in clinical trials, or that are expected to be investigated in clinical trials, and other product candidates
we may identify may never be approved. Failure to successfully identify and develop new product candidates and obtain regulatory approvals for our
products would have a material adverse effect on our business and financial condition and could cause us to cease operations.

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If our product candidates do not achieve projected development milestones or commercialization in the announced or expected timeframes, the further
development or commercialization of such product candidates may be delayed, and our business will be harmed.

We sometimes estimate, or may in the future estimate, the timing of the accomplishment of various scientific, clinical, manufacturing, regulatory and other
product development objectives. These milestones may include our expectations regarding the commencement or completion of scientific studies or
clinical trials, the submission of regulatory filings, the receipt of marketing approval or the realization of other commercialization objectives. The
achievement of many of these milestones may be outside of our control. All of these milestones are based on a variety of assumptions, including
assumptions regarding capital resources, constraints and priorities, progress of and results from development activities, the receipt of key regulatory
approvals or actions, and other factors, including without limitation, impacts resulting from the COVID-19 pandemic and its variants, any of which may
cause the timing of achievement of the milestones to vary considerably from our estimates. If we or our collaborators fail to achieve announced milestones
in the expected timeframes, the commercialization of the product candidates may be delayed, our credibility may be undermined, our business and results
of operations may be harmed, and the trading price of our common stock may decline.

Adverse public perception of genome editing may negatively impact the developmental progress or commercial success of products that we develop
alone or with collaborators.

The developmental and commercial success of our current product candidates, or any that we develop alone or with collaborators in the future, will depend
in part on public acceptance of the use of genome editing technology for the prevention or treatment of human diseases. Adverse public perception of
applying genome editing technology for these purposes may negatively impact our ability to raise capital or enter into strategic agreements for the
development of product candidates.

Any therapeutic product candidates may involve editing the human genome. The commercial success of any such potential therapeutic products, if
successfully developed and approved, may be adversely affected by claims that genome editing is unsafe, unethical or immoral. This may lead to
unfavorable public perception and the inability of any therapeutic product candidates to gain the acceptance of the public or the medical community.
Unfavorable public perceptions may also adversely impact our or our collaborators’ ability to enroll clinical trials for therapeutic product candidates.
Moreover, success in commercializing any therapeutic product candidates that receive regulatory approval will depend upon physicians prescribing, and
their patients being willing to receive, treatments that involve the use of such product candidates in lieu of, or in addition to, existing treatments with which
they are already familiar and for which greater clinical data may be available. Publicity of any adverse events in, or unfavorable results of, preclinical
studies or clinical trials for any current or future product candidates, including, without limitation, patient deaths, or with respect to the studies or trials of
our competitors or of academic researchers utilizing genome editing technologies, even if not ultimately attributable to our technology or product
candidates, could negatively influence public opinion. Negative public perception about the use of genome editing technology in human therapeutics,
whether related to our technology or a competitor’s technology, could result in increased governmental regulation, delays in the development and
commercialization of product candidates or decreased demand for the resulting products, any of which may have a negative impact on our business and
financial condition.

We face significant competition in industries experiencing rapid technological change, and there is a possibility that our competitors may achieve
regulatory approval before us or develop product candidates or treatments that are safer or more effective than ours, which may harm our financial
condition and our ability to successfully market or commercialize any of our product candidates.

The development and commercialization of new drug products is highly competitive, and the genome editing field is characterized by rapidly changing
technologies, significant competition and a strong emphasis on intellectual property. We will face competition with respect to our current and future
therapeutic product candidates from major pharmaceutical companies, specialty pharmaceutical companies and biotechnology companies worldwide.
Potential competitors also include academic institutions, government agencies and other public and private research organizations that conduct research,
seek patent protection and establish collaborative arrangements for research, development, manufacturing and commercialization of products.

There are a number of large pharmaceutical and biotechnology companies that currently market and sell products or are pursuing the development of
products for the treatment of the disease indications for which we have research programs. Some of these competitive products and therapies are based on
scientific approaches that are similar to our approach, and others are based on entirely different approaches. We principally compete with others developing
and utilizing genome editing technology in the human health sector, including companies such as Allogene Therapeutics, Inc., Alnylam Pharmaceuticals,
Inc., Beam Therapeutics, Inc, Caribou Biosciences, Inc., Cellectis S.A., CRISPR Therapeutics, AG, Dicerna Pharmaceuticals, Inc., Editas Medicine, Inc.,
Intellia Therapeutics, Inc., Sangamo Therapeutics, Inc., and Verve Therapeutics, Inc. Several companies, including Novartis Pharmaceuticals Corp.,
Celgene Corp., and Gilead Sciences, Inc. have obtained FDA approval for autologous immunotherapies, and a number of companies, including Cellectis
S.A., Allogene Therapeutics and CRISPR Therapeutics AG, are pursuing allogeneic immunotherapies. We expect that our operations focused on
developing products for in vivo gene correction will face substantial competition from others

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focusing on gene therapy treatments, especially those that may focus on conditions that our product candidates target. Moreover, any human therapeutics
products that we develop alone or with collaborators will compete with existing standards of care for the diseases and conditions that our product
candidates target and other types of treatments, such as small molecule, antibody or protein therapies.

Many of our current or potential competitors, either alone or with their collaborators, have significantly greater financial resources and expertise in research
and development, manufacturing, preclinical testing, conducting clinical trials, obtaining regulatory approvals and marketing approved products than we
do. Mergers and acquisitions in the pharmaceutical and biotechnology industries may result in even more resources being concentrated among a smaller
number of our competitors. Smaller or early-stage companies may also prove to be significant competitors, particularly through collaborative arrangements
with large and established companies. These competitors also compete with us in recruiting and retaining qualified scientific and management personnel
and establishing clinical trial sites and patient registration for clinical trials, as well as in acquiring technologies complementary to, or necessary for, our
programs. Our commercial opportunity could be reduced or eliminated if our competitors develop and commercialize products that are safer, more
effective, have fewer or less severe side effects, are more convenient or are less expensive than any products we develop alone or with collaborators or that
would render any such products obsolete or non-competitive. Our competitors also may obtain FDA or other regulatory approval for their products more
rapidly than we or our collaborators may obtain approval for any that we develop, which could result in our competitors establishing a strong market
position before we are able to enter the market. Additionally, technologies developed by our competitors may render our product candidates uneconomical
or obsolete, and we or our collaborators may not be successful in marketing any product candidates we may develop against competitors. The availability
of our competitors’ products could limit the demand, and the price we are able to charge, for any products that we develop alone or with collaborators.

Our future profitability, if any, will depend in part on our ability and the ability of our collaborators to commercialize any products that we or our
collaborators may develop in markets throughout the world. Commercialization of products in various markets could subject us to risks and
uncertainties, including:

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obtaining, on a country-by-country basis, the applicable marketing authorization from the competent regulatory authority;

the burden of complying with complex and changing regulatory, tax, accounting, labor and other legal requirements in each jurisdiction that we
or our collaborators pursue;

reduced protection for intellectual property rights;

differing medical practices and customs affecting acceptance in the marketplace;

import or export licensing requirements;

governmental controls, trade restrictions or changes in tariffs;

economic weakness, including inflation, or political instability in particular foreign economies and markets;

production shortages resulting from any events affecting raw material supply or manufacturing capabilities abroad;

longer accounts receivable collection times;

longer lead times for shipping;

language barriers;

foreign currency exchange rate fluctuations;

foreign reimbursement, pricing and insurance regimes; and

the interpretation of contractual provisions governed by foreign laws in the event of a contract dispute.

We have limited or no prior experience in these areas, and our collaborators may have limited experience in these areas. Failure to successfully navigate
these risks and uncertainties may limit or prevent market penetration for any products that we or our collaborators may develop, which would limit their
commercial potential and our revenues.

Product liability lawsuits against us could cause us to incur substantial liabilities and could limit commercialization of any products that we develop
alone or with collaborators.

We face an inherent risk of product liability and professional indemnity exposure related to the testing in clinical trials of our product candidates. We will
face an even greater liability risk if we commercially sell any products that we or our collaborators may develop for human use. Manufacturing defects,
errors in product distribution or storage processes, improper administration or application and known or unknown side effects of product usage may result
in liability claims against us or third parties with which we have

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relationships. These actions could include claims resulting from acts by our collaborators, licensees and subcontractors over which we have little or no
control.

For example, our liability could be sought by patients participating in clinical trials for potential therapeutic product candidates as a result of unexpected
side effects, improper product administration or the deterioration of a patient’s condition, patient injury or even death. Criminal or civil proceedings might
be filed against us by patients, regulatory authorities, biopharmaceutical companies and any other third party using or marketing any product candidates or
products that we develop alone or with collaborators. On occasion, large judgments have been awarded in class action lawsuits based on products that had
unanticipated adverse effects. If we cannot successfully defend ourselves against claims that product candidates or products we develop alone or with
collaborators caused harm, we could incur substantial liabilities.

Regardless of merit or eventual outcome, liability claims may result in:

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significant time and costs to defend the related litigation;

injury to our reputation and significant negative media attention;

diversion of management’s attention from pursuing our strategy;

withdrawal of clinical trial participants;

delay or termination of clinical trials;

decreased demand for any products that we develop alone or with collaborators;

substantial monetary awards to trial participants or patients;

product recalls, withdrawals or labeling, marketing or promotional restrictions;

loss of revenue; and

the inability to further develop or commercialize any products.

Although the clinical trial process is designed to identify and assess potential side effects, clinical development does not always fully characterize the safety
and efficacy profile of a new medicine, and it is always possible that a drug or biologic, even after regulatory approval, may exhibit unforeseen side effects.
If our product candidates were to cause adverse side effects during clinical trials or after approval, we may be exposed to substantial liabilities. Physicians
and patients may not comply with any warnings that identify known potential adverse effects and patients who should not use our product candidates. If
any of our product candidates are approved for commercial sale, we will be highly dependent upon consumer perceptions of us and the safety and quality of
such products. We could be adversely affected if we are subject to negative publicity associated with illness or other adverse effects resulting from patients’
use or misuse of such products or any similar products distributed by other companies.

Although we maintain product liability insurance coverage, it may not be adequate to cover all liabilities that we may incur. We anticipate that we will need
to increase our insurance coverage if we or our collaborators successfully commercialize any products. Insurance coverage is increasingly expensive. We
may not be able to maintain insurance coverage at a reasonable cost or in an amount adequate to satisfy any liabilities to which we may become subject.

Additional Risks Related to the Identification, Development and Commercialization of Our Therapeutic Product Candidates

The regulatory landscape that will apply to development of therapeutic product candidates by us or our collaborators is rigorous, complex, uncertain
and subject to change, which could result in delays or termination of development of such product candidates or unexpected costs in obtaining
regulatory approvals.

Regulatory requirements governing products created with genome editing technology or involving gene therapy treatment have changed frequently and will
likely continue to change in the future. Approvals by one regulatory agency may not be indicative of what any other regulatory agency may require for
approval, and there has historically been substantial, and sometimes uncoordinated, overlap in those responsible for regulation of gene therapy products,
cell therapy products and other products created with genome editing technology. For example, in the United States, the FDA has established the Office of
Tissues and Advanced Therapies within its Center for Biologics Evaluation and Research (“CBER”) to consolidate the review of gene therapy and related
products, and the Cellular, Tissues, and Gene Therapies Advisory Committee to advise CBER on its review. Our product candidates will need to meet
safety and efficacy standards applicable to any new biologic under the regulatory framework administered by the FDA.

In addition to the submission of an IND to the FDA, before initiation of a clinical trial in the United States, certain human clinical trials subject to the NIH
Guidelines are subject to review and oversight by an institutional biosafety committee (“IBC”), a local

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institutional committee that reviews and oversees research utilizing recombinant or synthetic nucleic acid molecules at that institution. The IBC assesses
the safety of the research and identifies any potential risk to public health or the environment, and such review may result in some delay before initiation of
a clinical trial. While the NIH Guidelines are not mandatory unless the research in question is being conducted at or sponsored by institutions receiving
NIH funding of recombinant or synthetic nucleic acid molecule research, many companies and other institutions not otherwise subject to the NIH
Guidelines voluntarily follow them. We are subject to significant regulatory oversight by the FDA, and in addition to the government regulators, the
applicable IBC and IRB of each institution at which we or our collaborators conduct clinical trials of our product candidates, or a central IRB if
appropriate, would need to review and approve the proposed clinical trial.

The same applies in the EU. The EMA has a Committee for Advanced Therapies (“CAT”) that is responsible for assessing the quality, safety and efficacy
of ATMPs. ATMPs include gene therapy medicine, somatic-cell therapy medicines and tissue-engineered medicines. The role of the CAT is to prepare a
draft opinion on an application for marketing authorization for a gene therapy medicinal product candidate that is submitted to the EMA. In the EU, the
development and evaluation of a gene therapy medicinal product must be considered in the context of the relevant EU guidelines. The EMA may issue new
guidelines concerning the development and marketing authorization for gene therapy medicinal products and require that we comply with these new
guidelines. Similarly complex regulatory environments exist in other jurisdictions in which we might consider seeking regulatory approvals for our product
candidates, further complicating the regulatory landscape. As a result, the procedures and standards applied to gene therapy products and cell therapy
products may be applied to any of our gene therapy or genome editing product candidates, but that remains uncertain at this point.

The clinical trial requirements of the FDA, the EMA and other regulatory authorities and the criteria these regulators use to evaluate the safety and efficacy
of a product candidate vary substantially according to the type, complexity, novelty and intended use and market of the potential products. The regulatory
approval process for product candidates created with novel genome editing technology such as ours can be more lengthy, rigorous and expensive than the
process for other better known or more extensively studied product candidates and technologies. Since we are developing novel treatments for diseases in
which there is little clinical experience with new endpoints and methodologies, there is heightened risk that the FDA, the EMA or comparable regulatory
bodies may not consider the clinical trial endpoints to provide clinically meaningful results, and the resulting clinical data and results may be more difficult
to analyze. This may be a particularly significant risk for many of the genetically defined diseases for which we may develop product candidates alone or
with collaborators due to small patient populations for those diseases, and designing and executing a rigorous clinical trial with appropriate statistical
power is more difficult than with diseases that have larger patient populations. Regulatory agencies administering existing or future regulations or
legislation may not allow production and marketing of products utilizing genome editing technology in a timely manner or under technically or
commercially feasible conditions. Even if our product candidates obtain required regulatory approvals, such approvals may later be withdrawn as a result of
changes in regulations or the interpretation of regulations by applicable regulatory agencies.

Changes in applicable regulatory guidelines may lengthen the regulatory review process for our product candidates, require additional studies or trials,
increase development costs, lead to changes in regulatory positions and interpretations, delay or prevent approval and commercialization of such product
candidates, or lead to significant post-approval limitations or restrictions. Additionally, adverse developments in clinical trials conducted by others of gene
therapy products or products created using genome editing technology, such as products developed through the application of a CRISPR/Cas9 technology,
or adverse public perception of the field of genome editing, may cause the FDA, the EMA and other regulatory bodies to revise the requirements for
approval of any product candidates we may develop or limit the use of products utilizing genome editing technologies, either of which could materially
harm our business. Furthermore, regulatory action or private litigation could result in expenses, delays or other impediments to our research programs or
the development or commercialization of current or future product candidates.

As we advance product candidates alone or with collaborators, we will be required to consult with these regulatory and advisory groups and comply with
all applicable guidelines, rules and regulations. If we fail to do so, we or our collaborators may be required to delay or terminate development of such
product candidates. Delay or failure to obtain, or unexpected costs in obtaining, the regulatory approval necessary to bring a product candidate to market
could decrease our ability to generate sufficient product revenue to maintain our business.

We may not be able to submit INDs to the FDA or CTAs to comparable foreign authorities to commence additional clinical trials on the timelines we
expect, and even if we are able to, the FDA or comparable foreign authorities may not permit us to proceed.

We plan to submit INDs and CTAs to enable us to conduct clinical trials for additional product candidates in the future, and we expect to file IND
amendments to enable us to conduct additional clinical trials under existing INDs. We cannot be sure that submission of an IND, CTA, or IND amendment
will result in us being allowed to proceed with clinical trials, or that, once begun, issues will not arise that could result in the suspension or termination such
clinical trials. The manufacturing of allogeneic CAR T cell therapy and in vivo therapies for genetic and infectious diseases remains an emerging and
evolving field. Accordingly, we expect CMC related topics, including product specifications, will be a focus of IND and CTA reviews, which may delay
receipt of authorization to proceed under

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INDs and CTAs. Additionally, even if such regulatory authorities agree with the design and implementation of the clinical trials set forth in an IND or CTA,
we cannot guarantee that such regulatory authorities will not change their requirements in the future. Similar risks may exist in foreign jurisdictions where
we intend to conduct clinical trials.

The regulatory approval processes of the FDA and comparable foreign authorities are lengthy, time consuming and inherently unpredictable, and if we
are ultimately unable to obtain regulatory approval for our product candidates, our business will be substantially harmed.

We and any collaborators are not permitted to commercialize, market, promote or sell any product candidate in the United States without obtaining
marketing approval from the FDA. Foreign regulatory authorities impose similar requirements. The time required to obtain approval by the FDA and
comparable foreign authorities is unpredictable, but typically takes many years following the commencement of clinical trials and depends upon numerous
factors, including substantial discretion of the regulatory authorities and sufficient resources at the FDA or foreign regulatory authorities. In addition,
approval policies, regulations or the type and amount of clinical data necessary to gain approval may change during the course of a product candidate’s
clinical development and may vary among jurisdictions. To date, we have not submitted a biologics license application (“BLA”) or other marketing
authorization application to the FDA or similar drug approval submissions to comparable foreign regulatory authorities for any product candidate. We and
any collaborators must complete additional preclinical or nonclinical studies and clinical trials to demonstrate the safety and efficacy of our product
candidates in humans to the satisfaction of the regulatory authorities before we will be able to obtain these approvals.

Our product candidates could fail to receive regulatory approval for many reasons, including the following:

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the FDA or comparable foreign regulatory authorities may disagree with the design or implementation of our or our collaborators’ clinical trials;

we or our collaborators may be unable to demonstrate to the satisfaction of the FDA or comparable foreign regulatory authorities that a product
candidate is safe and effective for its proposed indication;

the results of clinical trials may not meet the level of statistical significance required by the FDA or comparable foreign regulatory authorities for
approval;

we or our collaborators may be unable to demonstrate that a product candidate’s clinical and other benefits outweigh its safety risks;

the FDA or comparable foreign regulatory authorities may disagree with our or our collaborators’ interpretation of data from preclinical studies
or clinical trials;

the data collected from clinical trials of product candidates may not be sufficient to support the submission of a BLA or other submission or to
obtain regulatory approval in the United States or elsewhere;

the FDA or comparable foreign regulatory authorities may fail to approve our manufacturing processes or facilities or those of third-party
manufacturers with which we or our collaborators contract for clinical and commercial supplies;

the FDA or comparable foreign regulatory authorities may fail to approve the companion diagnostics we may contemplate developing with
collaborators; and

the approval policies or regulations of the FDA or comparable foreign regulatory authorities may significantly change in a manner rendering our
or our collaborators’ clinical data insufficient for approval.

This lengthy approval process as well as the unpredictability of future clinical trial results may result in our failing to obtain regulatory approval to market
our product candidates, which would significantly harm our business, results of operations and prospects.

In addition, even if we were to obtain approval, regulatory authorities may approve any of our product candidates for fewer or more limited indications than
we request, may impose significant limitations in the form of narrow indications, warnings, or a REMS or similar risk management measures. Regulatory
authorities may not approve the price we or our collaborators intend to charge for products we may develop, may grant approval contingent on the
performance of costly post-marketing clinical trials, or may approve a product candidate with a label that does not include the labeling claims necessary or
desirable for the successful commercialization of that product candidate. Any of the foregoing scenarios could materially harm the commercial prospects
for our product candidates.

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Clinical trials are difficult to design and implement, expensive, time-consuming and involve an uncertain outcome, and the inability to successfully and
timely conduct clinical trials and obtain regulatory approval for our product candidates would substantially harm our business.

Clinical testing is expensive and usually takes many years to complete, and its outcome is inherently uncertain. Failure can occur at any time during the
clinical trial process, and product candidates in later stages of clinical trials may fail to show the desired safety and efficacy traits despite having progressed
through preclinical studies and initial clinical trials. We have initiated a Phase 1/2a clinical trial in patients with R/R NHL or R/R B-ALL, a Phase 1 clinical
trial in patients with NHL and a Phase 1/2a clinical trial in subjects with R/R multiple myeloma. We do not know whether any current or planned clinical
trials will need to be redesigned, recruit and enroll patients on time or be completed on schedule, or at all. Clinical trials have been and may in the future be
delayed, suspended or terminated for a variety of reasons, including in connection with:

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the inability to generate sufficient preclinical, toxicology or other in vivo or in vitro data to support the initiation of clinical trials;

applicable regulatory authorities disagreeing as to the design or implementation of the clinical trials;

obtaining regulatory authorization to commence a trial;

reaching an agreement on acceptable terms with prospective contract research organizations (“CROs”) and clinical trial sites, the terms of which
can be subject to extensive negotiation and may vary significantly among different CROs and trial sites;

obtaining IRB or ethics committee approval at each site;

developing and validating the companion diagnostic to be used in a clinical trial, if applicable;

insufficient or inadequate supply or quality of product candidates or other materials, including identification of lymphocyte donors meeting
regulatory standards necessary for use in clinical trials, or delays in sufficiently developing, characterizing or controlling a manufacturing process
suitable for clinical trials;

recruiting and retaining enough suitable patients to participate in a trial;

having enough patients complete a trial or return for post-treatment follow-up;

adding a sufficient number of clinical trial sites;

inspections of clinical trial sites or operations by applicable regulatory authorities, or the imposition of a clinical hold;

clinical sites deviating from trial protocol or dropping out of a trial;

the inability to demonstrate the efficacy and benefits of a product candidate;

discovering that product candidates have unforeseen safety issues, undesirable side effects or other unexpected characteristics;

addressing patient safety concerns that arise during the course of a trial;

receiving untimely or unfavorable feedback from applicable regulatory authorities regarding the trial or requests from regulatory authorities to
modify the design of a trial;

non-compliance with applicable regulatory requirements by us or third parties or changes in such regulations or administrative actions;

suspensions or terminations by IRBs of the institutions at which such trials are being conducted, by the Data Safety Monitoring Board (“DSMB”)
for such trial or by the FDA or other regulatory authorities due to a number of factors, including those described above;

third parties being unable or unwilling to satisfy their contractual obligations to us;

changes in our financial priorities, greater than anticipated costs of completing a trial or our inability to continue funding the trial; or

unforeseen events, such as natural or manmade disasters, public health emergencies, such as the COVID-19 pandemic and its variants, which has
and may continue to impact our operations, or other natural catastrophic events.

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Many of the factors that cause, or lead to, a delay in the commencement or completion of clinical trials may also ultimately lead to the denial of regulatory
approval of our product candidates. Additionally, we or our collaborators may experience unforeseen events during or resulting from clinical trials that
could delay or prevent receipt of marketing approval for or commercialization of product candidates. For example, clinical trials of product candidates may
produce negative, inconsistent or inconclusive results, and we may decide, or regulators may require us, to conduct additional clinical trials or abandon
development programs. Regulators may also revise the requirements for approving the product candidates, or such requirements may not be as we
anticipate. If we or our collaborators are required to conduct additional clinical trials or other testing of product candidates beyond those that we or our
collaborators currently contemplate, if we or our collaborators are unable to successfully complete clinical trials or other testing of such product candidates,
if the results of these trials or tests are not positive or are only modestly positive or if there are safety concerns, we may:

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incur unplanned costs;

be delayed in obtaining or fail to obtain marketing approval for product candidates;

obtain marketing approval in some countries and not in others;

obtain marketing approval for indications or patient populations that are not as broad as intended or desired;

obtain marketing approval with labeling that includes significant use or distribution restrictions or safety warnings, including boxed warnings;

be subject to additional post-marketing testing requirements;

be subject to changes in the way the product is administered;

have regulatory authorities withdraw or suspend their approval of the product or impose restrictions on its distribution;

be sued; or

experience damage to our reputation.

If we or our collaborators experience delays in the commencement or completion of our clinical trials, or if we or our collaborators terminate a clinical trial
prior to completion, we may experience increased costs, have difficulty raising capital and/or be required to slow down the development and approval
process timelines. Furthermore, the product candidates that are the subject of such trials may never receive regulatory approval, and their commercial
prospects and our ability to generate product revenues from them could be impaired or not realized at all.

Moreover, principal investigators for our clinical trials may serve as scientific advisors or consultants to us from time to time and receive compensation in
connection with such services. Under certain circumstances, we may be required to report some of these relationships to the FDA or comparable foreign
regulatory authorities. The FDA or comparable foreign regulatory authorities may conclude that a financial relationship between us and a principal
investigator has created a conflict of interest or otherwise affected interpretation of the study. The FDA or comparable foreign regulatory authorities may
therefore question the integrity of the data generated at the applicable clinical trial site and the utility of the clinical trial itself may be jeopardized. This
could result in a delay in approval, or rejection, of our marketing applications by the FDA or comparable foreign regulatory authorities, as the case may be,
and may ultimately lead to the denial of marketing approval of one or more of our product candidates.

In addition, the FDA’s and other regulatory authorities’ policies with respect to clinical trials may change and additional government regulations may be
enacted. For instance, the regulatory landscape related to clinical trials in the EU recently evolved. The EU CTR which was adopted in April 2014 and
repeals the EU Clinical Trials Directive, became applicable on January 31, 2022. While the Clinical Trials Directive required a separate CTA to be
submitted in each member state, to both the competent national health authority and an independent ethics committee, the CTR introduces a centralized
process and only requires the submission of a single application to all member states concerned. The CTR allows sponsors to make a single submission to
both the competent authority and an ethics committee in each member state, leading to a single decision per member state. The assessment procedure of the
CTA has been harmonized as well, including a joint assessment by all member states concerned, and a separate assessment by each member state with
respect to specific requirements related to its own territory, including ethics rules. Each member state’s decision is communicated to the sponsor via the
centralized EU portal. Once the CTA is approved, clinical study development may proceed. The CTR foresees a three-year transition period. The extent to
which ongoing and new clinical trials will be governed by the CTR varies. For clinical trials whose CTA was made under the Clinical Trials Directive
before January 31, 2022, the Clinical Trials Directive will continue to apply on a transitional basis for three years. Additionally, sponsors may still choose
to submit a CTA under either the Clinical Trials Directive or the CTR until January 31, 2023 and, if authorized, those will be governed by the Clinical
Trials Directive until January 31, 2025. By that date, all ongoing trials will become subject to the provisions of the CTR.  

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It is currently unclear to what extent the UK will seek to align its regulations with the EU. The UK regulatory framework in relation to clinical trials is
derived from existing EU legislation (as implemented into UK law, through secondary legislation).

On January 17, 2022, the UK MHRA launched an eight-week consultation on reframing the UK legislation for clinical trials. The consultation closes on 14
March 2022 and aims to streamline clinical trials approvals, enable innovation, enhance clinical trials transparency, enable greater risk proportionality, and
promote patient and public involvement in clinical trials. The outcome of the consultation will be closely watched and will determine whether the UK
chooses to align with the regulation or diverge from it to maintain regulatory flexibility. A decision by the UK not to closely align its regulations with the
new approach that will be adopted in the EU may have an effect on the cost of conducting clinical trials in the UK as opposed to other countries and/or
make it harder to seek a marketing authorization in the EU for our product candidates on the basis of clinical trials conducted in the UK.

If we are slow or unable to adapt to changes in existing requirements or the adoption of new requirements or policies governing clinical trials, our
development plans may also be impacted.

Any product candidates that we or our collaborators may develop will be novel and may be complex and difficult to manufacture, and if we experience
manufacturing problems, it could result in delays in development and commercialization of such product candidates or otherwise harm our business.

Our product candidates involve or will involve novel genome editing technology and will require processing steps that are more complex than those
required for most small molecule drugs, resulting in a relatively higher manufacturing cost. Moreover, unlike small molecules, the physical and chemical
properties of biologics generally cannot be fully characterized. As a result, assays of the finished product may not be sufficient to ensure that such product
will perform in the intended manner. Although we intend to employ multiple steps to control the manufacturing process, we may experience manufacturing
issues with any of our product candidates that could cause production interruptions, including contamination, equipment or reagent failure, improper
installation or operation of equipment, facility contamination, raw material shortages or contamination, natural disasters, disruption in utility services,
human error, disruptions in the operations of our suppliers, inconsistency in cell growth and variability in product characteristics. We may encounter
problems achieving adequate quantities and quality of clinical-grade materials that meet FDA, EMA or other comparable applicable standards or
specifications with consistent and acceptable production yields and costs. For example, the FDA has required us to conduct testing of our allogeneic CAR
T cell product candidates for the presence of certain human viruses prior to release of such products for clinical use. If the FDA concludes that further such
viral testing of our product candidates is required and that any lots testing positive may not be used in clinical trials, we may need to produce new clinical
trial materials, which could delay our clinical trials and result in higher manufacturing costs. Even minor deviations from normal manufacturing processes
could result in reduced production yields, product defects and other supply disruptions. If microbial, viral or other contaminations are discovered in our
product candidates or in the manufacturing facilities in which such product candidates are made, such manufacturing facilities may need to be closed for an
extended period of time to investigate and remedy the contamination. Our manufacturing process for any allogeneic CAR T cell product candidate that we
develop alone or with collaborators will be susceptible to product loss or failure due to the quality of the raw materials, failure of the products to meet
specifications, logistical issues associated with the collection of white blood cells, or starting material, from healthy third-party donors, shipping such
material to the manufacturing site, ensuring standardized production batch-to-batch in the context of mass production, freezing the manufactured product,
shipping the final product globally, thawing and infusing patients with such product. Problems with the manufacturing process, even minor deviations from
the normal process, could result in product defects or manufacturing failures that result in lot failures, delays in initiating or completing clinical trials,
product recalls, product liability claims or insufficient inventory.

As product candidates are developed through preclinical to late-stage clinical trials towards approval and commercialization, we expect that various aspects
of the development program, such as manufacturing methods, may be altered along the way in an effort to help optimize processes and results. Such
changes carry the risk that they will not achieve the intended objectives, and any of these changes could cause our product candidates to perform differently
and affect the results of future clinical trials or our reliance on results of trials that have previously been conducted using the product candidate in its
previous form. If the manufacturing process is changed during the course of product development, we or our collaborators may be required to repeat some
or all of the previously conducted trials or conduct additional bridging trials, which could increase our costs and delay or impede our ability to obtain
marketing approval.

We expect our manufacturing strategy for one or more of our product candidates may involve the use of contract manufacturing organizations (“CMOs”) as
well as our dedicated manufacturing facility, MCAT. The facilities used by us and our contract manufacturers to manufacture therapeutic product
candidates must be evaluated for the manufacture of our product candidates by the FDA or foreign regulatory authorities pursuant to inspections that will
be conducted after we submit a BLA to the FDA, or similar foreign applications to foreign regulatory authorities. We do not control the manufacturing
process of our contract manufacturers and are dependent on their compliance with cGMP or similar foreign requirements for their manufacture of our
product candidates. We may establish multiple manufacturing facilities as we expand our commercial footprint to multiple geographies, which will be
costly and time consuming and may lead to regulatory delays. Even if we are successful, our manufacturing capabilities could be affected by cost-overruns,
potential problems with scale-out, process reproducibility, stability issues, lot inconsistency, timely availability of reagents or raw materials, unexpected
delays, equipment failures, labor shortages, natural disasters, utility failures, regulatory issues

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and other factors that could prevent us from realizing the intended benefits of our manufacturing strategy and have a material adverse effect on our
business.

The FDA, the EMA and other foreign regulatory authorities may require us to submit samples of any lot of any product that may receive approval together
with the protocols showing the results of applicable tests at any time. Under some circumstances, the FDA, the EMA or other foreign regulatory authorities
may require that we not distribute a lot until the relevant agency authorizes its release. Slight deviations in the manufacturing process, including those
affecting quality attributes and stability, may result in unacceptable changes in the product that could result in lot failures or product recalls. Lot failures or
product recalls could cause us or our collaborators to delay product launches or clinical trials, which could be costly to us and otherwise harm our business.
Problems in our manufacturing process also could restrict our or our collaborators’ ability to meet market demand for products.

Any problems in our manufacturing process or facilities could make us a less attractive collaborator for potential partners, including larger pharmaceutical
companies and academic research institutions, which could limit our access to additional attractive development opportunities.

We will rely on donors of T cells to manufacture product candidates from our allogeneic CAR T immunotherapy platform, and if we do not obtain an
adequate supply of T cells from qualified donors, development of those product candidates may be adversely impacted.

We are developing a pipeline of allogeneic T cell product candidates that are engineered from healthy donor T cells, which vary in type and quality. This
variability in type and quality of a donor’s T cells makes producing standardized product candidates more difficult and makes the development and
commercialization pathway of those product candidates more uncertain. We have developed a screening process designed to enhance the quality and
consistency of T cells used in the manufacture of our CAR T cell product candidates. If we are unable to identify and obtain T cells from donors that satisfy
our criteria in sufficient quantity, to obtain such cells in a timely manner or to address variability in donor T cells, development of our CAR T cell product
candidates may be delayed or there may be inconsistencies in the product candidates we produce, which could negatively impact development of such
product candidates, harm our reputation and adversely impact our business and prospects.

Failure to achieve operating efficiencies from MCAT may require us to devote additional resources and management time to manufacturing operations
and may delay our product development timelines.

We have leased approximately 33,800 square feet of space for MCAT at a location approximately seven miles from our headquarters in Durham, North
Carolina. We use this manufacturing center to create clinical trial material for certain of our current and planned clinical trials. We may not experience the
anticipated operating efficiencies in our own manufacturing. Any delays in manufacturing may disrupt or delay the supply of our product candidates if we
have not maintained a sufficient back-up supply of such product candidates through third-party manufacturers. Moreover, changing manufacturing facilities
may also require that we or our collaborators conduct additional studies, make notifications to regulatory authorities, make additional filings to regulatory
authorities, and obtain regulatory authority approval for the new facilities, which may be delayed or which we may never receive. We are also required to
comply with the FDA’s and applicable foreign regulatory authorities’ GMP requirements for the production of product candidates for clinical trials and, if
approved, commercial supply, and will be subject to FDA and comparable foreign regulatory authority inspection. These requirements include the
qualification and validation of our manufacturing equipment and processes. We may not be able to develop, acquire or maintain the internal expertise and
resources necessary for compliance with these requirements. If we fail to achieve the operating efficiencies that we anticipate, our manufacturing and
operating costs may be greater than expected, which could have a material adverse impact on our operating results.

We also may encounter problems hiring and retaining the experienced scientific, quality-control and manufacturing personnel needed to operate our
manufacturing processes. If we experience unanticipated employee shortage or turnover in any of these areas, we may not be able to effectively manage our
ongoing manufacturing operations and we may not achieve the operating efficiencies that we anticipate from MCAT, which may negatively affect our
product development timeline or result in difficulties in maintaining compliance with applicable regulatory requirements.

Any such problems could result in the delay, prevention or impairment of clinical development and commercialization of our product candidates.

Any delays or difficulties in our or our collaborators ability to enroll patients in clinical trials, could delay or prevent receipt of regulatory approvals.

We or our collaborators may not be able to initiate or continue clinical trials on a timely basis or at all for any product candidates we or our collaborators
identify or develop if we or our collaborators are unable to locate and enroll a sufficient number of eligible patients to participate in the trials as required by
applicable regulations or as needed to provide appropriate statistical power for a

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given trial. Additionally, some of our competitors may have ongoing clinical trials for product candidates that would treat the same indications as one or
more of our product candidates, and patients who would otherwise be eligible for our clinical trials may instead enroll in our competitors’ clinical trials.

Patient enrollment may also be affected by many factors, including:

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severity and difficulty of diagnosing of the disease under investigation;

the difficulty in recruiting and/or identifying eligible patients suffering from rare diseases being evaluated under our trials;

size of the patient population and process for identifying subjects;

eligibility and exclusion criteria for the trial in question, including unforeseen requirements by the FDA or other regulatory authorities that we
restrict one or more entry criteria for the study for safety reasons;

our or our collaborators’ ability to recruit clinical trial investigators with the appropriate competencies and experience;

design of the trial protocol;

availability and efficacy of approved medications or therapies, or other clinical trials, for the disease or condition under investigation;

perceived risks and benefits of the product candidate under trial or testing, or of the application of genome editing to human indications;

availability of genetic testing for potential patients;

efforts to facilitate timely enrollment in clinical trials;

patient referral practices of physicians;

ability to obtain and maintain subject consent;

risk that enrolled subjects will drop out before completion of the trial;

ability to monitor patients adequately during and after treatment;

proximity and availability of clinical trial sites for prospective patients; and

unforeseen events, such as natural or manmade disasters, public health emergencies, such as the COVID-19 pandemic and its variants which has
and may continue to impact our operations, or other natural catastrophic events.

We expect that some of our product candidates will focus on rare genetically defined diseases with limited patient pools from which to draw for enrollment
in clinical trials. The eligibility criteria of our clinical trials will further limit the pool of available trial participants. In addition to the factors identified
above, patient enrollment in any clinical trials we or our collaborators may conduct may be adversely impacted by any negative outcomes our competitors
may experience, including adverse side effects, clinical data showing inadequate efficacy or failures to obtain regulatory approval.

Furthermore, our or our collaborators’ ability to successfully initiate, enroll and conduct a clinical trial outside the United States is subject to numerous
additional risks, including:

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difficulty in establishing or managing relationships with CROs and physicians;

differing standards for the conduct of clinical trials;

differing standards of care for patients with a particular disease;

an inability to locate qualified local consultants, physicians and partners; and

the potential burden of complying with a variety of foreign laws, medical standards and regulatory requirements, including the regulation of
pharmaceutical and biotechnology products and treatments.

Enrollment delays in clinical trials, including those due to the COVID-19 pandemic and its variants, may result in increased development costs for any of
our product candidates, which may cause the value of our company to decline and limit our ability to obtain additional financing. If we or our collaborators
have difficulty enrolling a sufficient number of patients to conduct clinical trials as planned, we may need to delay, limit or terminate ongoing or planned
clinical trials, any of which may have an adverse effect on our results of operations and prospects.

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Results of preclinical studies and early clinical trials of product candidates may not be predictive of results of later studies or trials. Our product
candidates may not have favorable results in later clinical trials, if any, or receive regulatory approval.

Preclinical and clinical drug development is expensive and can take many years to complete, and its outcome is inherently uncertain. Failure can occur at
any time during the preclinical study or clinical trial process. Despite promising preclinical or clinical results, any product candidate can unexpectedly fail
at any stage of preclinical or clinical development. The historical failure rate for product candidates in our industry is high.

The results from preclinical studies or early clinical trials of a product candidate may not be predictive of the results from later preclinical studies or clinical
trials, and interim results of a clinical trial are not necessarily indicative of final results. Product candidates in later stages of clinical trials may fail to show
the desired safety and efficacy characteristics despite having progressed through preclinical studies and initial clinical trials. Many companies in the
biopharmaceutical and biotechnology industries have suffered significant setbacks at later stages of development after achieving positive results in early
stages of development, and we may face similar setbacks. These setbacks have been caused by, among other things, preclinical findings made while clinical
trials were underway or safety or efficacy observations made in clinical trials, including previously unreported adverse events. Moreover, non-clinical and
clinical data are often susceptible to varying interpretations and analyses, and many companies that believed their product candidates performed
satisfactorily in preclinical studies and clinical trials nonetheless failed to obtain regulatory approval. With the exception of our allogeneic anti-CD19, anti-
CD20 and anti-BCMA CAR T product candidates, which have undergone limited testing in humans to date, our gene editing technology and our product
candidates have never undergone testing in humans and have only been tested in a limited manner in animals, and results from animal studies may not be
predictive of clinical trial results. Even if product candidates progress to clinical trials, these product candidates may fail to show the safety and efficacy in
clinical development required to obtain regulatory approval, despite the observation of positive results in animal studies. Our or our collaborators’ failure to
replicate positive results from early research programs and preclinical studies may prevent us from further developing and commercializing those or other
product candidates, which would limit our potential to generate revenues from them and harm our business and prospects.

For the foregoing reasons, we cannot be certain that any ongoing or future preclinical studies or clinical trials will be successful. Any safety or efficacy
concerns observed in any one of our preclinical studies or clinical trials in a targeted area could limit the prospects for regulatory approval of product
candidates in that and other areas, which could have a material adverse effect on our business and prospects.

Interim, “top-line” and initial data from studies or trials that we announce or publish from time to time may change as more data become available and
are subject to audit and verification procedures that could result in material changes in the final data.

From time to time, we may publish interim, initial or “top-line” data from preclinical studies or clinical trials, which is based on a preliminary analysis of
then-available data, and the results and related findings and conclusions are subject to change following a more comprehensive review of the data related to
the particular trial. We also make assumptions, estimations, calculations and conclusions as part of our analyses of data, and we may not have received or
had the opportunity to fully and carefully evaluate all data. As a result, the top-line results that we report may differ from future results of the same studies,
or different conclusions or considerations may qualify such results, once additional data have been received and fully evaluated. Initial or “top-line” data
also remain subject to audit and verification procedures that may result in the final data being materially different from these initial data we previously
published. As a result, interim, initial and “top-line” data should be viewed with caution until the final data are available.

Additionally, interim data from clinical trials that we may complete are subject to the risk that one or more of the clinical outcomes may materially change
as patient enrollment continues and more patient data become available. Adverse differences between initial or interim data and final data could
significantly harm our business prospects.

Further, others, including regulatory agencies, may not accept or agree with our assumptions, estimates, calculations, conclusions or analyses or may
interpret or weigh the importance of data differently, which could impact the value of the particular program, the approvability or commercialization of the
particular product candidate or product and our company in general. In addition, the information we choose to publicly disclose regarding a particular study
or clinical trial is based on what is typically extensive information, and you or others may not agree with what we determine is the material or otherwise
appropriate information to include in our disclosure. Any information we determine not to disclose may ultimately be deemed significant by you or others
with respect to future decisions, conclusions, views, activities or otherwise regarding a particular product candidate or our business. If the top-line data that
we report differ from actual results, or if others, including regulatory authorities, disagree with the conclusions reached, our ability to obtain approval for,
and commercialize, product candidates may be harmed, which could significantly harm our business prospects.

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Our product candidates may not work as intended or cause undesirable side effects that could hinder or prevent receipt of regulatory approval or
realization of commercial potential for them or our other product candidates and substantially harm our business.

Our product candidates may be associated with off-target editing or other serious adverse events, undesirable side effects or unexpected characteristics,
including large deletions and translocations or chromosomal abnormalities. Results of clinical trials could reveal severe or recurring side effects, toxicities
or unexpected events, including death. Off-target cuts could lead to disruption of a gene or a genetic regulatory sequence at an unintended site in the DNA.
In those instances where we also provide a segment of DNA, it is possible that following off-target cut events, such DNA could be integrated into the
genome at an unintended site, potentially disrupting another important gene or genomic element. There may also be delayed adverse events following
exposure to therapeutics made with genome editing technologies due to persistent biologic activity of the genetic material or other components of products
used to carry the genetic material. Such unintended and undesirable side effects were recently exhibited in one of our competitors’ clinical trials for which a
clinical hold was placed by the FDA in October 2021 following a report of a chromosomal abnormality. In addition to serious adverse events or side effects
caused by product candidates we develop alone or with collaborators, the administration process or related procedures may also cause undesirable side
effects. For example, in our Phase 1/2a clinical trial of PBCAR0191, as of November 16, 2021, one death without disease progression occurred following
infection and was assessed by the investigator as possibly related to study treatment. As of the same date, three other treatment emergent deaths without
disease progression occurred that were deemed unrelated to study treatment.

Further, any side effects may not be appropriately recognized or managed by the treating medical staff. We or our collaborators expect to have to educate
medical personnel using any product candidates we may develop to understand the side effect profiles for our clinical trials and upon any
commercialization of such product candidates. Inadequate recognition or management of the potential side effects of such product candidates could result
in patient injury or death.

If any such events occur, clinical trials or commercial distribution of any product candidates or products we develop alone or with collaborators could be
suspended or terminated, and our business and reputation could suffer substantial harm. Treatment-related side effects could affect patient recruitment and
the ability of enrolled patients to complete the trial or result in potential liability claims. Regulatory authorities could order us or our collaborators to cease
further development of, deny approval of or require us to cease selling any product candidates or products for any or all targeted indications. If we or our
collaborators elect, or are required, to delay, suspend or terminate any clinical trial or commercialization efforts, the commercial prospects of such product
candidates or products may be harmed, and our ability to generate product revenues from them or other product candidates that we develop may be delayed
or eliminated.

Additionally, if we successfully develop a product candidate alone or with collaborators and it receives marketing approval, the FDA or foreign regulatory
authorities could require us to adopt a REMS or similar risk management measures to ensure that the benefits of treatment with such product candidate
outweigh the risks for each potential patient, which may include, among other things, a communication plan to health care practitioners, patient education,
extensive patient monitoring or distribution systems and processes that are highly controlled, restrictive and more costly than what is typical for the
industry. We or our collaborators may also be required to adopt a REMS or similar risk management measures or engage in similar actions, such as patient
education, certification of health care professionals or specific monitoring, if we or others later identify undesirable side effects caused by any product that
we develop alone or with collaborators. Such identification could also have several additional significant negative consequences, such as:

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regulatory authorities may suspend, withdraw or limit approvals of such product, or seek an injunction against its manufacture or distribution;

regulatory authorities may require additional warnings on the label, including “boxed” warnings, or issue safety alerts, Dear Healthcare Provider
letters, press releases or other communications containing warnings or other safety information about the product;

we may be required to create a medication guide outlining the risks of such side effects for distribution to patients;

we may be required to change the way a product is administered or conduct additional trials;

the product may become less competitive;

we or our collaborators may decide to remove the product from the marketplace;

we may be subject to fines, injunctions or the imposition of civil or criminal penalties;

we could be sued and be held liable for harm caused to patients; and

our reputation may suffer.

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Any of these events could prevent us or our collaborators from achieving or maintaining market acceptance of any potential product, or otherwise have a
negative impact on our business.

We are subject to federal, state and foreign healthcare laws and regulations relating to our business, and could face substantial penalties if we are
determined not to have fully complied with such laws, which would have an adverse impact on our business.

Our business operations, as well as our current and anticipated future arrangements with investigators, healthcare professionals, consultants, third-party
payors, customers and patients, expose or will expose us to broadly applicable foreign, federal, and state fraud and abuse and other healthcare laws and
regulations. These laws constrain the business or financial arrangements and relationships through which we conduct our operations, including how we
research, market, sell and distribute any potential products for which we may obtain marketing approval. Such laws include:

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the U.S. federal Anti-Kickback Statute, which prohibits, among other things, persons and entities from knowingly and willfully soliciting,
offering, receiving or providing remuneration, directly or indirectly, in cash or in kind, to induce or reward, or in return for, either the referral of
an individual for, or the purchase, order or recommendation of, any good or service, for which payment may be made under a U.S. healthcare
program such as Medicare and Medicaid. A person or entity does not need to have actual knowledge of the U.S. federal Anti-Kickback Statute or
specific intent to violate it in order to have committed a violation;

U.S. federal civil and criminal false claims laws, including the civil False Claims Act, which can be enforced through civil whistleblower or qui
tam actions, and civil monetary penalties laws, prohibits, among other things, individuals and entities from knowingly presenting, or causing to
be presented, to the U.S. government, claims for payment or approval that are false or fraudulent, knowingly making, using or causing to be
made or used, a false record or statement material to a false or fraudulent claim, or from knowingly making a false statement to avoid, decrease
or conceal an obligation to pay money to the U.S. government. In addition, the government may assert that a claim including items or services
resulting from a violation of the U.S. federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the civil False Claims
Act;

the U.S. Health Insurance Portability and Accountability Act of 1996 (“HIPAA”), which imposes criminal and civil liability for, among other
things, knowingly and willfully executing, or attempting to execute, a scheme to defraud any healthcare benefit program, including private third-
party payors, or knowingly and willfully falsifying, concealing or covering up a material fact or making any materially false statement, in
connection with the delivery of, or payment for, healthcare benefits, items or services. Similar to the U.S. federal Anti-Kickback Statute, a person
or entity does not need to have actual knowledge of the statute or specific intent to violate it in order to have committed a violation;

the U.S. Physician Payments Sunshine Act, which requires certain manufacturers of drugs, devices, biologics and medical supplies for which
payment is available under Medicare, Medicaid or the Children’s Health Insurance Program (with certain exceptions) to report annually to CMS
information related to payments or other “transfers of value” made to physicians (defined to include doctors, dentists, optometrists, podiatrists
and chiropractors), certain non-physician practitioners such as physician assistants and nurse practitioners, and teaching hospitals, and requires
applicable manufacturers and group purchasing organizations to report annually to the Centers for Medicare and Medicaid Services (“CMS”),
ownership and investment interests held by the physicians described above and their immediate family members; and

analogous state and foreign laws and regulations, such as state anti-kickback and anti-corruption and false claims laws, which may apply to our
business practices, including, but not limited to, research, distribution, sales and marketing arrangements and claims involving healthcare items
or services reimbursed by non-governmental third-party payors, including private insurers, or by the patients themselves; state laws and foreign
laws and regulations that require pharmaceutical and device companies to comply with the industry’s voluntary compliance guidelines and the
relevant compliance guidance promulgated by the U.S. government or foreign governmental authorities, or otherwise restrict payments that may
be made to healthcare providers and other potential referral sources; state and local laws and regulations and foreign. laws and regulations that
require manufacturers to report information related to payments and other transfers of value to physicians and other healthcare providers or
marketing expenditures and pricing information; state and local laws and foreign laws and regulations which require the registration of
pharmaceutical sales representatives.

Efforts to ensure that our current and future business arrangements with third parties will comply with applicable healthcare laws and regulations will
involve substantial costs. It is possible that governmental authorities may conclude that our business practices, including our relationships with certain
physicians, some of whom are compensated in the form of stock options for consulting services provided, do not comply with current or future statutes,
regulations, agency guidance or case law involving applicable healthcare laws. If our operations are found to be in violation of any of these or any other
health regulatory laws that may apply to us, we may be subject to significant penalties, including the imposition of significant civil, criminal and
administrative penalties, damages, monetary fines, disgorgement, individual imprisonment, possible exclusion from participation in Medicare, Medicaid
and other U.S. or foreign healthcare programs, additional reporting requirements and oversight if we become subject to a corporate integrity agreement or
similar agreement to resolve allegations of non-compliance with these laws, contractual damages, reputational

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harm, diminished profits and future earnings, and curtailment or restructuring of our operations, any of which could adversely affect our ability to operate
our business and our results of operations. Defending against any such actions can be costly, time-consuming and may require significant financial and
personnel resources. Therefore, even if we are successful in defending against any such actions that may be brought against us, our business may be
impaired. If any of the above occur, it could adversely affect our ability to operate our business and our results of operations.

Actual or perceived failures to comply with applicable data protection, privacy and security laws, regulations, standards and other requirements, and
the increasing use of social media, could adversely affect our business, results of operations, and financial condition.

The global data protection landscape is rapidly evolving, and we are or may become subject to numerous state, federal and foreign laws, requirements and
regulations governing the collection, use, disclosure, retention, and security of personal data, such as information that we may collect in connection with
clinical trials in the U.S. and abroad. Implementation standards and enforcement practices are likely to remain uncertain for the foreseeable future, and we
cannot yet determine the impact future laws, regulations, standards, or perception of their requirements may have on our business. This evolution may
create uncertainty in our business, affect our ability to operate in certain jurisdictions or to collect, store, transfer use and share personal information,
necessitate the acceptance of more onerous obligations in our contracts, result in liability or impose additional costs on us. The cost of compliance with
these laws, regulations and standards can be high and is likely to increase in the future. Any failure or perceived failure by us to comply with federal, state
or foreign laws or regulation, our internal policies and procedures or our contracts governing our processing of personal information could result in
negative publicity, government investigations and enforcement actions, claims by third parties and damage to our reputation, any of which could have a
material adverse effect on our operations, financial performance and business.

As our operations and business grow, we may become subject to or affected by new or additional data protection laws and regulations and face increased
scrutiny or attention from regulatory authorities. In the U.S., HIPAA, as amended by the Health Information Technology for Economic and Clinical Health
Act of 2009 and their implementing regulations, imposes, among other things, certain standards relating to the privacy, security, transmission and breach
reporting of individually identifiable health information on covered entities (defined as health plans, health care clearinghouses and certain health care
providers) and their respective business associates, individuals or entities that create, receive, maintain or transmit protected health information in
connection with providing a service for or on behalf of a covered entity. HIPAA mandates the reporting of certain breaches of health information to HHS,
affected individuals and if the breach is large enough, the media. Entities that are found to be in violation of HIPAA as the result of a breach of unsecured
protected health information, a complaint about privacy practices or an audit by HHS, may be subject to significant civil, criminal and administrative fines
and penalties and/or additional reporting and oversight obligations if required to enter into a resolution agreement and corrective action plan with HHS to
settle allegations of HIPAA non-compliance. Even when HIPAA does not apply, according to the Federal Trade Commission or the FTC, failing to take
appropriate steps to keep consumers’ personal information secure constitutes unfair acts or practices in or affecting commerce in violation of Section 5(a)
of the Federal Trade Commission Act. The FTC expects a company’s data security measures to be reasonable and appropriate in light of the sensitivity and
volume of consumer information it holds, the size and complexity of its business, and the cost of available tools to improve security and reduce
vulnerabilities. Individually identifiable health information is considered sensitive data that merits stronger safeguards.

Certain states have also adopted comparable privacy and security laws and regulations, some of which may be more stringent than HIPAA. Such laws and
regulations will be subject to interpretation by various courts and other governmental authorities, thus creating potentially complex compliance issues for
us and our future customers and strategic partners. For example, California recently enacted the CCPA, which went into effect on January 1, 2020. The
CCPA creates individual privacy rights for California consumers and increases the privacy and security obligations of entities handling certain personal
information. The CCPA provides for civil penalties for violations, as well as a private right of action for data breaches that is expected to increase data
breach litigation. Further, the CPRA, recently passed in California. The CPRA significantly amends the CCPA and will impose additional data protection
obligations on covered businesses, including additional consumer rights processes, limitations on data uses, new audit requirements for higher risk data,
and opt outs for certain uses of sensitive data. It will also create a new California data protection agency authorized to issue substantive regulations and
could result in increased privacy and information security enforcement. The majority of the CPRA provisions are expected to go into effect on January 1,
2023. The CCPA, and the CPRA, may increase our compliance costs and potential liability, and many similar laws have been proposed at the federal level
and in other states. In the event that we are subject to or affected by HIPAA, the CCPA, the CPRA or other domestic privacy and data protection laws, any
liability from failure to comply with the requirements of these laws could adversely affect our financial condition.

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In Europe, the GDPR went into effect in May 2018 and imposes strict requirements for processing the personal data of individuals within the EEA.
Companies that must comply with the GDPR face increased compliance obligations and risk, including more robust regulatory enforcement of data
protection requirements. From January 1, 2021 we are subject to compliance with the GDPR and the UK GDPR, which, together with the amended UK
Data Protection Act 2018, retains the GDPR in UK national law. The UK GDPR mirrors the fines under the GDPR, i.e., fines up to the greater of €20
million/ £17 million or 4% of global turnover. The relationship between the UK and the EU in relation to certain aspects of data protection law remains
unclear, and it is unclear how UK data protection laws and regulations will develop in the medium to longer term. The European Commission has adopted
an adequacy decision in favor of the UK, enabling data transfers from EU member states to the UK without additional safeguards. However, the UK
adequacy decision will automatically expire in June 2025 unless the European Commission re-assesses and renews or extends that decision.

Recent legal developments in Europe have created complexity and uncertainty regarding transfers of personal data from the EEA and the UK to the U.S.
Most recently, on July 16, 2020, the Court of Justice of the European Union (“CJEU”) invalidated the EU-US Privacy Shield Framework, the Privacy
Shield, under which personal data could be transferred from the EEA to US entities who had self-certified under the Privacy Shield scheme. While the
CJEU upheld the adequacy of the standard contractual clauses (“SCCs”), it made clear that reliance on them alone may not necessarily be sufficient in all
circumstances. Use of the SCCs must now be assessed on a case-by-case basis taking into account the legal regime applicable in the destination country, in
particular applicable surveillance laws and rights of individuals and additional measures and/or contractual provisions may need to be put in place,
however, the nature of these additional measures is currently uncertain. The CJEU went on to state that if a competent supervisory authority believes that
the standard contractual clauses cannot be complied with in the destination country and the required level of protection cannot be secured by other means,
such supervisory authority is under an obligation to suspend or prohibit that transfer. The European Commission issued revised SCCs on June 4, 2021 to
account for the decision of the CJEU and recommendations made by the European Data Protection Board. The revised SCCs must be used for relevant new
data transfers from September 27, 2021; existing standard contractual clauses arrangements must be migrated to the revised clauses by December 27, 2022.
The new SCCs apply only to the transfer of personal data outside of the EEA and not the UK; the UK’s Information Commissioner’s Office launched a
public consultation on its draft revised data transfers mechanisms in August 2021. There is some uncertainty around whether the revised clauses can be
used for all types of data transfers, particularly whether they can be relied on for data transfers to non-EEA entities subject to the GDPR.

These recent developments may require us to review and amend the legal mechanisms by which we make and/ or receive personal data transfers to/ in the
U.S.  As supervisory authorities issue further guidance on personal data export mechanisms, including circumstances where the standard contractual clauses
cannot be used, and/or start taking enforcement action, we could suffer additional costs, complaints and/or regulatory investigations or fines, and/or if we
are otherwise unable to transfer personal data between and among countries and regions in which we operate, it could affect the manner in which we
provide our services, the geographical location or segregation of our relevant systems and operations, and could adversely affect our financial results.

Despite our efforts to monitor evolving social media communication guidelines and comply with applicable rules, there is risk that the use of social media
by us or our employees to communicate about our product candidates or business may cause us to be found in violation of applicable requirements. In
addition, our employees may knowingly or inadvertently make use of social media in ways that may not comply with our internal policies or other legal or
contractual requirements, which may give rise to liability, lead to the loss of trade secrets or other intellectual property, or result in public exposure of
personal information of our employees, clinical trial patients, customers and others. Our potential patient population may also be active on social media and
use these platforms to comment on the effectiveness of, or adverse experiences with, our product candidates. Negative posts or comments about us or our
product candidates on social media could seriously damage our reputation, brand image and goodwill.

Although we work to comply with applicable laws, regulations and standards, our contractual obligations and other legal obligations, these requirements
are evolving and may be modified, interpreted and applied in an inconsistent manner from one jurisdiction to another, and may conflict with one another or
other legal obligations with which we must comply. Any failure or perceived failure by us or our employees, representatives, contractors, consultants,
CROs, collaborators, or other third parties to comply with such requirements or adequately address privacy and security concerns, even if unfounded, could
result in additional cost and liability to us, damage our reputation, and adversely affect our business and results of operations.

We have received orphan drug designation for PBCAR0191 for the treatment of ALL and MCL and for PBCAR269A for the treatment of multiple
myeloma, and we may seek orphan drug designation for some or all of our other product candidates, but we may be unable to obtain such designations
or to maintain the benefits associated with orphan drug designation, which may negatively impact our ability to develop or obtain regulatory approval
for such product candidates and may reduce our revenue if we obtain such approval.

We may seek orphan drug designation for some or all of our product candidates in specific orphan indications in which there is a medically plausible basis
for the use of these products. Under the Orphan Drug Act, the FDA may grant orphan designation to a drug

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or biologic intended to treat a rare disease or condition, defined as a disease or condition with a patient population of fewer than 200,000 in the United
States, or a patient population greater than 200,000 in the United States when there is no reasonable expectation that the cost of developing and making
available the drug or biologic in the United States will be recovered from sales in the United States for that drug or biologic. Orphan drug designation must
be requested before submitting a BLA. In the United States, orphan drug designation entitles a party to financial incentives such as opportunities for grant
funding towards clinical trial costs, tax advantages and user-fee waivers. After the FDA grants orphan drug designation, the generic identity of the drug and
its potential orphan use are disclosed publicly by the FDA. Orphan drug designation does not convey any advantage in, or shorten the duration of, the
regulatory review and approval process. Although we may seek orphan product designation for some or all of our other product candidates, we may never
receive such designations.

If a product that has orphan drug designation subsequently receives the first FDA approval for a particular active ingredient for the disease for which it has
such designation, the product is entitled to orphan product exclusivity, which means that the FDA may not approve any other applications, including a
BLA, to market the same biologic for the same indication for seven years, except in limited circumstances such as a showing of clinical superiority to the
product with orphan product exclusivity or if FDA finds that the holder of the orphan drug exclusivity has not shown that it can ensure the availability of
sufficient quantities of the orphan drug to meet the needs of patients with the disease or condition for which the drug was designated. Even if we or our
collaborators obtain orphan drug designation for a product candidate, we may not be the first to obtain marketing approval for any particular orphan
indication due to the uncertainties associated with developing pharmaceutical products. Exclusive marketing rights in the United States may be limited if
we or our collaborators seek approval for an indication broader than the orphan designated indication and may be lost if the FDA later determines that the
request for designation was materially defective or if the manufacturer is unable to assure sufficient quantities of the product to meet the needs of patients
with the rare disease or condition. Further, even if a product obtains orphan drug exclusivity, that exclusivity may not effectively protect the product from
competition because different drugs with different active moieties can be approved for the same condition. Even after an orphan drug is approved, the FDA
can subsequently approve the same drug with the same active moiety for the same condition if the FDA concludes that the later drug is safer, more
effective, or makes a major contribution to patient care. Furthermore, the FDA can waive orphan exclusivity if we or our collaborators are unable to
manufacture sufficient supply of the product.

Similarly, in the EU, a medicinal product may receive orphan designation under Article 3 of Regulation (EC) 141/2000. This applies to products (1) that are
intended for a life-threatening or chronically debilitating condition; and (2) either (a) such condition affects not more than five in 10,000 persons in the EU
when the application is made, or (b) the product, without the benefits derived from orphan status, would be unlikely to generate sufficient returns in the EU
to justify the necessary investment, and (3) there exists no satisfactory method of diagnosis, prevention or treatment of such condition authorized for
marketing in the EU or, if such a method exists, the product will be of significant benefit to those affected by the condition. In the EU, orphan medicinal
products are eligible for financial incentives such as reduction of fees or fee waivers and applicants can benefit from specific regulatory assistance and
scientific advice. Upon grant of a MA, orphan medicinal products are entitled to 10 years of market exclusivity, during which time no similar medicinal
product for the same indication may be placed on the market. An orphan product can also obtain an additional two years of market exclusivity in the EU for
pediatric studies. However, the 10-year market exclusivity may be reduced to six years if, at the end of the fifth year, it is established that the product no
longer meets the criteria for orphan designation—for example, if the product is sufficiently profitable not to justify maintenance of market exclusivity.
Additionally, marketing authorization may be granted to a similar product for the same indication at any time if:

•

•

•

the second applicant can establish that its product, although similar, is safer, more effective or otherwise clinically superior;

the first applicant consents to a second orphan medicinal product application; or

the first applicant cannot supply enough orphan medicinal product.

If we or our collaborators do not receive or maintain orphan drug designation for product candidates for which we seek such designation, it could limit our
ability to realize revenues from such product candidates.

We have received and may continue to seek fast track designation and rare pediatric disease designation, and may seek breakthrough therapy
designation, Regenerative Medicine Advanced Therapy (“RMAT”) designation, or priority review from the FDA or access to the PRIME scheme from
the EMA for some or all of our product candidates, but we may not receive such designations, and even if we do, it may not lead to a faster development
or regulatory review or approval process, and will not increase the likelihood that such product candidates will receive marketing approval.

We have received fast track designation and rare pediatric disease designation for PBCAR0191 for the treatment of B-ALL as well as fast track designation
for PBCAR269A for R/R multiple myeloma. We may continue to seek fast track designation and may also seek breakthrough therapy designation, RMAT
designation or priority review from the FDA, or access to the PRIME scheme from the EMA for some or all of our product candidates. If a drug, or
biologic, in our case, is intended for the treatment of a serious or life-threatening condition or disease, and nonclinical or clinical data demonstrate the
potential to address an unmet medical need, the

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product may qualify for FDA fast track designation, for which sponsors must apply. The FDA has broad discretion whether or not to grant this designation.
If granted, fast track designation makes a biologic eligible for more frequent interactions with FDA to discuss the development plan and clinical trial
design, as well as rolling review of the application, which means that the company can submit completed sections of its marketing application for review
prior to completion of the entire submission.  Products with fast track designation may also be eligible for accelerated approval and/or priority review, if the
relevant criteria are met.

Breakthrough therapy designation is intended to expedite the development and review of product candidates that treat serious or life-threatening diseases
when "preliminary clinical evidence indicates that the drug may demonstrate substantial improvement over existing therapies on one or more clinically
significant endpoints, such as substantial treatment effects observed early in clinical development." The designation of a product candidate as a
breakthrough therapy provides the same potential benefits as a fast track designation, with more intensive FDA guidance on an efficient development
program and an organizational commitment at FDA involving senior managers.

A company may also request RMAT designation of its product candidate, which designation may be granted if the drug meets the following criteria: (1) it
qualifies as a RMAT, which is defined as a cell therapy, therapeutic tissue engineering product, human cell and tissue product, or any combination
product  using such therapies or products, with limited exceptions; (2) it is intended to treat, modify, reverse, or cure a serious or life-threatening disease or
condition; and (3) preliminary clinical evidence indicates that the drug has the potential to address unmet medical needs for such a disease or condition.
Like breakthrough therapy designation, RMAT designation provides potential benefits that include more frequent meetings with FDA to discuss the
development plan for the product candidate, and potential eligibility for rolling review and priority review. Products granted RMAT designation may also
be eligible for accelerated approval on the basis of a surrogate or intermediate endpoint reasonably likely to predict long-term clinical benefit, or reliance
upon data obtained from a meaningful number of sites, including through expansion to additional sites. RMAT- designated products that receive accelerated
approval may, as appropriate, fulfill their post-approval requirements through the submission of clinical evidence, clinical studies, patient registries, or
other sources of real world evidence (such as electronic health records); through the collection of larger confirmatory data sets; or via post-approval
monitoring of all patients treated with such therapy prior to approval of the therapy.

PRIME is a scheme provided by the EMA to enhance support for the development of medicines that target an unmet medical need. To qualify for PRIME,
product candidates require early clinical evidence that the therapy has the potential to offer a therapeutic advantage over existing treatments or benefits
patients without treatment options. Among the benefits of PRIME are the appointment of a rapporteur to provide continuous support and help build
knowledge ahead of a marketing authorization application, early dialogue and scientific advice at key development milestones, and the potential to qualify
products for accelerated review earlier in the application process.

Based on legislation adopted late in 2007, the EMA established an additional regulatory designation for products classified as an ATMP.  The ATMP
classification offers sponsors a variety of benefits similar to those associated with the PRIME scheme, including scientific and regulatory guidance,
additional opportunities for dialogue with regulators, and presubmission review and certification of the CMC and nonclinical data proposed for submission
in a forthcoming MA applications for micro-, small-, or medium-sized enterprises.  To qualify for this designation, product candidates intended for human
use must be based on gene therapy, somatic cell therapy, or tissue engineered therapy (i.e., engineered cells or tissues intended to regenerate, replace or
repair human tissue).

There is no assurance that we will obtain additional fast track designation, or that we will obtain breakthrough therapy designation, RMAT designation or
access to PRIME or ATMP for any of our product candidates. Fast track designation, breakthrough therapy designation, RMAT designation, and PRIME
and ATMP eligibility do not change the standards for product approval, and there is no assurance that any such designation or eligibility will result in
expedited review or approval or that the approved indication will not be narrower than the indication covered by the fast track designation, breakthrough
therapy designation, RMAT designation or PRIME or ATMP  eligibility. Additionally, fast track designation, breakthrough therapy designation, RMAT
designation and access to PRIME or ATMP can each be revoked if the criteria for eligibility cease to be met as clinical data emerges.

If the product candidates that we or our collaborators may develop receive regulatory approval in the United States or another jurisdiction, they may
never receive approval in other jurisdictions, which would limit market opportunities for such product candidate and adversely affect our business.

Approval of a product candidate in the United States by the FDA or by the requisite regulatory agencies in any other jurisdiction does not ensure approval
of such product candidate by regulatory authorities in other countries or jurisdictions. The approval process varies among countries and may limit our or
our collaborators’ ability to develop, manufacture, promote and sell product candidates internationally. Failure to obtain marketing approval in international
jurisdictions would prevent the product candidates from being marketed outside of the jurisdictions in which regulatory approvals have been received. In
order to market and sell product candidates in the EU and many other jurisdictions, we and our collaborators must obtain separate marketing approvals and
comply with numerous and varying regulatory requirements. The approval procedure varies among countries and may involve additional preclinical studies
or clinical trials both before and after approval. In many countries, any product candidate for human use must be approved for

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reimbursement before it can be approved for sale in that country. In some cases, the intended price for such product is also subject to approval. Further,
while regulatory approval of a product candidate in one country does not ensure approval in any other country, a failure or delay in obtaining regulatory
approval in one country may have a negative effect on the regulatory approval process in others. If we or our collaborators fail to comply with the
regulatory requirements in international markets or to obtain all required marketing approvals, the target market for a particular potential product will be
reduced, which would limit our ability to realize the full market potential for the product and adversely affect our business.

Current and future legislation may increase the difficulty and cost for us to obtain marketing approval of and commercialize any product candidates we
or our collaborators develop and may adversely affect the prices for such product candidates.

In the United States and certain foreign jurisdictions, there have been, and we expect there will continue to be, a number of legislative and regulatory
changes and proposed changes regarding the healthcare system that could, among other things, prevent or delay marketing approval of our product
candidates, restrict or regulate post-approval activities and affect our or our collaborators’ ability to profitably sell any product candidates that obtain
marketing approval.

For example, in March 2010, the Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act,
collectively the ACA, was enacted in the United States. Among the provisions of the Affordable Care Act of importance to our product candidates, the
ACA established an annual, nondeductible fee on any entity that manufactures or imports specified branded prescription drugs and biologic agents;
increased the statutory minimum rebates a manufacturer must pay under the Medicaid Drug Rebate Program, extended manufacturers’ Medicaid rebate
liability to covered drugs dispensed to individuals who are enrolled in Medicaid managed care organizations, expanded eligibility criteria for Medicaid
programs, expanded the entities eligible for discounts under the Public Health program, addressed a new methodology by which rebates owed by
manufacturers under the Medicaid Drug Rebate Program are calculated for drugs that are inhaled, infused, instilled, implanted or injected, created a new
Medicare Part D coverage gap discount program, in which manufacturers must now agree to offer 70% point-of-sale discounts off negotiated prices of
applicable brand drugs to eligible beneficiaries during their coverage gap period, as a condition for the manufacturer’s outpatient drugs to be covered under
Medicare Part D, and created a licensure framework for follow-on biologic products.

Since its enactment, there have been judicial, administrative, executive, and legislative challenges to certain aspects of the ACA, and the most recent
judicial challenge to the ACA brought before the Supreme Court was dismissed in June 2021 resulting in the ACA remaining in effect in its current form.
Prior to the Supreme Court's decision. President Biden issued an executive order instructing certain governmental agencies to review and reconsider their
existing policies and rules that limit access to healthcare, including among others, reexamining Medicaid demonstration projects and waiver programs that
include work requirements, and policies that create unnecessary barriers to obtaining access to health insurance coverage through Medicaid or the ACA. It
is unclear how other health reform measures of the Biden administration will impact our business.

In addition, other legislative changes have been proposed and adopted since the ACA was enacted. On August 2, 2011, the Budget Control Act of 2011 was
signed into law, which, among other things, included reductions to Medicare payments to providers of 2% per fiscal year, which went into effect on April 1,
2013 and, due to subsequent legislative amendments to the statute, will remain in effect through 2030, with the exception of a temporary suspension from
May 1, 2020 through March 31, 2022, unless additional Congressional action is taken. On January 2, 2013, the American Taxpayer Relief Act of 2012 was
signed into law, which, among other things, reduced Medicare payments to several providers, including hospitals, and increased the statute of limitations
period for the government to recover overpayments to providers from three to five years.

Further, there has been heightened governmental scrutiny recently over pharmaceutical pricing practices in light of the rising cost of prescription drugs and
biologics. Such scrutiny has resulted in several Congressional inquiries and proposed and enacted federal and state legislation designed to, among other
things, bring more transparency to product pricing, review the relationship between pricing and manufacturer patient programs, and reform government
program reimbursement methodologies, rebates and price negotiation for pharmaceutical products. At the state level, legislatures have increasingly passed
legislation and implemented regulations designed to control pharmaceutical product and medical device pricing, including price or patient reimbursement
constraints, discounts, restrictions on certain product access and marketing cost disclosure and transparency measures, and, in some cases, designed to
encourage importation from other countries and bulk purchasing. In addition, regional healthcare authorities and individual hospitals are increasingly using
bidding procedures to determine what pharmaceutical products and medical devices to purchase and which suppliers will be included in their prescription
drug and other healthcare programs.

We expect that other healthcare reform measures that may be adopted in the future, may result in more rigorous coverage criteria, new payment
methodologies and in additional downward pressure on the price that we or our collaborators may receive for any approved or cleared product. Any
reduction in reimbursement from Medicare or other government programs may result in a similar reduction in payments from private payors. We cannot
predict the likelihood, nature or extent of government regulation that may arise from future legislation or administrative action, either in the United States
or abroad. If we or our collaborators are slow or unable to adapt to new

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requirements or policies, or if we or our collaborators are not able to maintain regulatory compliance, any of our product candidates may lose any
regulatory approval that may have been obtained and we may not achieve or sustain profitability, which would adversely affect our business.

Even if we obtain regulatory approval for any products that we develop alone or with collaborators, such products will remain subject to ongoing
regulatory requirements, which may result in significant additional expense.

Even if products we develop alone or with collaborators receive regulatory approval, they will be subject to ongoing regulatory requirements for
manufacturing, labeling, packaging, distribution, storage, advertising, promotion, sampling, record-keeping and submission of safety and other post-market
information, among other things. Any regulatory approvals received for such products may also be subject to limitations on the approved indicated uses for
which they may be marketed or to the conditions of approval, or contain requirements for potentially costly post-marketing testing and surveillance studies.
For example, the holder of an approved BLA in the United States is obligated to monitor and report adverse events and any failure of a product to meet the
specifications in the BLA. FDA guidance advises that patients treated with some types of gene therapy undergo follow-up observations for potential
adverse events for as long as 15 years. Similarly, in the EU, pharmacovigilance obligations are applicable to all medicinal products. In addition to those,
holders of a marketing authorization for gene or cell therapy products must detail, in their application, the measures they envisage to ensure follow-up of
the efficacy and safety of these products. In cases of particular concern, marketing authorization holders for gene or cell therapy products in the EU may be
required to design a risk management system with a view to identifying, preventing or minimizing risks and may be obliged to carry out post-marketing
studies. In the United States, the holder of an approved BLA must also submit new or supplemental applications and obtain FDA approval for certain
changes to the approved product, product labeling or manufacturing process. Similar provisions apply in the EU. Advertising and promotional materials
must comply with FDA rules and are subject to FDA review, in addition to other potentially applicable federal and state laws. Similarly, in the EU any
promotion of medicinal products is highly regulated and, depending on the specific jurisdiction involved, may require prior vetting by the competent
national regulatory authority.

In addition, product manufacturers and their facilities are subject to payment of user fees and continual review and periodic inspections by the FDA and
other regulatory authorities for compliance with GMP requirements and adherence to commitments made in the BLA or foreign marketing application. If
we, our collaborators or a regulatory agency discovers previously unknown problems with a product such as adverse events of unanticipated severity or
frequency or problems with the facility where the product is manufactured or disagrees with the promotion, marketing or labeling of that product, a
regulatory agency may impose restrictions relative to that product, the manufacturing facility or us or our collaborators, including requiring recall or
withdrawal of the product from the market or suspension of manufacturing.

Moreover, if any of our product candidates are approved, our product labeling, advertising, promotion and distribution will be subject to regulatory
requirements and continuing regulatory review. The FDA and foreign regulatory authorities strictly regulate the promotional claims that may be made
about drug products. In particular, a product may not be promoted for uses that are not approved by the FDA and foreign regulatory authorities as reflected
in the product’s approved labeling.

If we or our collaborators fail to comply with applicable regulatory requirements following approval of any potential products we may develop, authorities
may:

•

•

•

•

•

•

•

•

•

•

issue an untitled enforcement letter or a warning letter asserting a violation of the law;

seek an injunction, impose civil and criminal penalties, and impose monetary fines, restitution or disgorgement of profits or revenues;

suspend or withdraw regulatory approval;

suspend or terminate any ongoing clinical trials or implement requirements to conduct post-marketing studies or clinical trials;

refuse to approve a pending BLA or comparable foreign marketing application (or any supplements thereto) submitted by us or our collaborators;

restrict the labeling, marketing, distribution, use or manufacturing of products;

seize or detain products or otherwise require the withdrawal or recall of products from the market;

refuse to approve pending applications or supplements to approved applications that we or our collaborators submit;

refuse to permit the import or export of products; or

refuse to allow us or our collaborators to enter into government contracts.

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Any government investigation of alleged violations of law could require us to expend significant time and resources in response and could generate
negative publicity. The occurrence of any event or penalty described above may inhibit our or our collaborators’ ability to commercialize products and our
ability to generate revenues.

In addition, the FDA’s policies, and policies of foreign regulatory agencies, may change, and additional regulations may be enacted that could prevent, limit
or delay regulatory approval of product candidates. We cannot predict the likelihood, nature or extent of government regulation that may arise from future
legislation or administrative or executive action, either in the United States or abroad. If we or our collaborators are slow or unable to adapt to changes in
existing requirements or the adoption of new requirements, or if we or our collaborators are unable to maintain regulatory compliance, we or they may be
subject to enforcement action and we may not achieve or sustain profitability.

The FDA and other regulatory agencies actively enforce the laws and regulations prohibiting the promotion of off-label uses. If we are found or
alleged to have improperly promoted off-label uses, we may become subject to significant liability.

The FDA and other regulatory agencies strictly regulate the promotional claims that may be made about prescription products, as our product candidates
would be, if approved. In particular, a product may not be promoted for uses that are not approved by the FDA or such other regulatory agencies as
reflected in the product’s approved labeling. If we are found to have promoted such off-label uses, we may become subject to significant liability. The
federal government has levied large civil and criminal fines against companies for alleged improper promotion and has enjoined several companies from
engaging in off-label promotion. The FDA has also requested that companies enter into consent decrees or permanent injunctions under which specified
promotional conduct is changed or curtailed. If we cannot successfully manage the promotion and avoid off-label promotion of our product candidates, if
approved, we could become subject to significant liability, which would materially adversely affect our business and financial condition.

Disruptions at the FDA and other government agencies caused by funding shortages or global health concerns could hinder their ability to hire, retain
or deploy key leadership and other personnel, or otherwise prevent new or modified products from being developed, approved or commercialized in a
timely manner or at all, which could negatively impact our business.

The ability of the FDA and foreign regulatory authorities to review and approve new products can be affected by a variety of factors, including government
budget and funding levels, statutory, regulatory and policy changes, the FDA’s or foreign regulatory authorities’ ability to hire and retain key personnel and
accept the payment of user fees, and other events that may otherwise affect the FDA’s or foreign regulatory authorities’ ability to perform routine functions.
Average review times at the FDA and foreign regulatory authorities have fluctuated in recent years as a result. In addition, government funding of other
government agencies that fund research and development activities is subject to the political process, which is inherently fluid and unpredictable.
Disruptions at the FDA and other agencies, such as the EMA following its relocation to Amsterdam and resulting staff changes, may also slow the time
necessary for new biologics or modifications to approved biologics to be reviewed and/or approved by necessary government agencies, which would
adversely affect our business. For example, over the last several years, the U.S. government has shut down several times and certain regulatory agencies,
such as the FDA, have had to furlough critical FDA employees and stop critical activities.

Separately, in response to the COVID-19 pandemic, in March 2020, the FDA announced its intention to postpone most inspections of foreign
manufacturing facilities, and on March 18, 2020, the FDA temporarily postponed routine surveillance inspections of domestic manufacturing facilities.
Subsequently, in July 2020, the FDA resumed certain on-site inspections of domestic manufacturing facilities subject to a risk-based prioritization system.
The FDA utilized this risk-based assessment system to assist in determining when and where it was safest to conduct prioritized domestic inspections.
Additionally, on April 15, 2021, the FDA issued a guidance document in which the FDA described its plans to conduct voluntary remote interactive
evaluations of certain drug manufacturing facilities and clinical research sites, among other facilities. According to the guidance, the FDA may request such
remote interactive evaluations where the FDA determines that  remote evaluation would be appropriate based on mission needs and travel limitations. In
May 2021, the FDA outlined a detailed plan to move toward a more consistent state of inspectional operations, and in July 2021, the FDA resumed
standard inspectional operations of domestic facilities. More recently, the FDA has continued to monitor and implement changes to its inspectional
activities to ensure the safety of its employees and those of the firms it regulates as it adapts to the evolving COVID-19 pandemic. Regulatory authorities
outside the United States have adopted similar restrictions or other policy measures in response to the COVID-19 pandemic and its variants. If a prolonged
government shutdown occurs, or if global health concerns continue to prevent the FDA or other regulatory authorities from conducting their regular
inspections, reviews or other regulatory activities, it could significantly impact the ability of the FDA or other regulatory authorities to timely review and
process our regulatory submissions, which could have a material adverse effect on our business.

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Even if any product we develop alone or with collaborators receives marketing approval, such product may fail to achieve the degree of market
acceptance by physicians, patients, healthcare payors and others in the medical community necessary for commercial success.

The commercial success of any potential therapeutic products we develop alone or with collaborators will depend upon their degree of market acceptance
by physicians, patients, third-party payors and others in the medical community. Even if any potential therapeutic products we develop alone or with
collaborators receive marketing approval, they may nonetheless fail to gain sufficient market acceptance by physicians, patients, healthcare payors and
others in the medical community. The degree of market acceptance of any product we develop alone or with collaborators, if approved for commercial sale,
will depend on a number of factors, including:

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the efficacy and safety of such product as demonstrated in clinical trials;

the prevalence and severity of any side effects;

the clinical indications for which the product is approved by FDA or other regulatory authorities;

product labeling or product insert requirements of the FDA or other regulatory authorities, including any limitations or warnings contained in a
product’s approved labeling;

public attitudes regarding genome editing technologies;

our and any collaborators’ ability to educate the medical community about the safety and effectiveness of the product;

the willingness of the target patient population to try new therapies and of physicians to prescribe these therapies, as well as their willingness to
accept a therapeutic intervention that involves the editing of the patient’s genome;

the potential and perceived advantages compared to alternative treatments;

convenience and ease of administration compared to alternative treatments;

any restrictions on the use of such product together with other treatments or products;

market introduction of competitive products;

publicity concerning such product or competing products and treatments;

the ability to offer such product for sale at a competitive price;

the strength of marketing and distribution support; and

sufficient third-party coverage and adequate reimbursement.

If any products we develop alone or with collaborators do not achieve an adequate level of acceptance, we may not generate significant product revenues,
and we may not become profitable.

If we are unable to establish sales and marketing capabilities or enter into agreements with third parties to sell and market any products we develop
alone or with collaborators, the commercialization of such products may not be successful if and when they are approved.

We do not have a sales or marketing infrastructure and, as a company, have no experience in the sale, marketing or distribution of biopharmaceutical or
other commercial products. To achieve commercial success for any approved products for which we retain sales and marketing responsibilities, we must
either develop a sales and marketing organization or outsource these functions to third parties. In the future, we may choose to build a focused sales,
marketing and commercial support infrastructure to sell, or participate in sales activities with our collaborators for, certain product candidates if and when
they are approved.

There are risks involved with both establishing our own commercial capabilities and entering into arrangements with third parties to perform these services.
For example, restricted or closed distribution channels may make it difficult to distribute products to segments of the patient population, and the lack of
complementary medicines to be offered by sales personnel may put us at a competitive disadvantage relative to companies with more extensive product
lines.

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Recruiting and training a sales force or reimbursement specialists are expensive and time consuming and could delay any product launch. If the commercial
launch of a product for which we recruit a sales force and establish marketing and other commercialization capabilities is delayed or does not occur for any
reason, we would have prematurely or unnecessarily incurred these commercialization expenses, and our investment would be lost if we cannot retain or
reposition our commercialization personnel. Factors that may inhibit our efforts to commercialize products on our own include:

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unforeseen costs and expenses associated with creating an independent commercialization organization;

our inability to recruit, train, retain and effectively manage adequate numbers of effective sales, marketing, customer service and other support
personnel, including for reimbursement or medical affairs;

the inability of sales personnel to educate adequate numbers of physicians on the benefits of our future medicines; and

the inability of reimbursement professionals to negotiate arrangements for formulary access, reimbursement and other acceptance by payors.

If we choose to enter into arrangements with third parties to perform sales, marketing, commercial support or distribution services, we may not be
successful in entering into such arrangements or may be unable to do so on terms that are favorable to us. Entering into such third-party arrangements may
subject us to a variety of risks, including:

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product revenues or profitability to us being lower than if we were to market and sell any products we or our collaborators may develop
ourselves;

our inability to exercise direct control over sales and marketing activities and personnel;

failure of the third parties to devote necessary resources and attention to, or other inability to, sell and market any products we or our
collaborators may develop;

potential disputes with third parties concerning sales and marketing expenses, calculation of royalties and sales and marketing strategies; and

unforeseen costs and expenses associated with sales and marketing.

If we do not establish effective commercialization capabilities, either on our own or in collaboration with third parties, we will not be successful in
commercializing any of our product candidates that may receive approval.

If the market opportunities for any products we develop alone or with collaborators are smaller than our estimates, or if we are unable to successfully
identify enough patients, our revenues may be adversely affected.

We focus some of our research and product development on treatments for rare genetic diseases. Our and our collaborators’ projections of both the number
of people who have these diseases, as well as the subset of people with these diseases who have the potential to benefit from treatment with product
candidates we may develop, are based on estimates. These estimates may prove to be incorrect, and new studies may change the estimated incidence or
prevalence of these diseases. The number of patients in the United States, Europe and elsewhere may turn out to be lower than expected, and patients may
not be amenable to treatment with products that we may develop alone or with collaborators, or may become increasingly difficult to identify or gain access
to, any of which would decrease our ability to realize revenue from any such products for such diseases.

The successful commercialization of potential products will depend in part on the extent to which governmental authorities and health insurers
establish coverage, and the adequacy of reimbursement levels and pricing policies, and failure to obtain or maintain coverage and adequate
reimbursement for any potential products that may receive approval, could limit marketability of those products and decrease our ability to generate
revenue.

The availability of coverage and adequacy of reimbursement by government healthcare programs such as Medicare and Medicaid, private health insurers
and other third-party payors is essential for most patients to be able to afford prescription medications such as the potential therapeutic products we develop
alone or with collaborators. The ability to achieve acceptable levels of coverage and reimbursement for any potential products that may be approved by
governmental authorities will have an effect on our and our collaborators’ ability to successfully commercialize such products. Even if products we develop
alone or with collaborators obtain coverage by a third-party payor, the resulting reimbursement payment rates may not be adequate or may require co-
payments that patients find unacceptably high. If coverage and reimbursement in the United States, the EU or elsewhere is not available for any products
we develop alone or with collaborators that may be approved, or any reimbursement that may become available is decreased or eliminated in the future, we
and our collaborators may be unable to commercialize such products.

There is significant uncertainty related to the insurance coverage and reimbursement of newly approved drugs and biologics. In the United States, third-
party payors, including private and governmental payors, such as the Medicare and Medicaid programs, play an

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important role in determining the extent to which new drugs and biologics will be covered. In August 2019, the CMS published its decision to cover
autologous treatment for cancer with T-cells expressing at least one CAR when administered at healthcare facilities enrolled in the FDA risk evaluation and
mitigation strategies and used for an FDA-approved indication or for other uses when the product has been FDA-approved and the use is supported in one
or more CMS-approved compendia. The Medicare and Medicaid programs increasingly are used as models in the United States for how private payors and
other governmental payors develop their coverage and reimbursement policies for drugs and biologics. Some third-party payors may require pre-approval
of coverage for new or innovative devices or drug therapies before they will reimburse healthcare providers who use such therapies. We cannot predict at
this time what third-party payors will decide with respect to the coverage and reimbursement for any product that we develop alone or with collaborators.

No uniform policy for coverage and reimbursement for products exists among third-party payors in the United States. Therefore, coverage and
reimbursement for products can differ significantly from payor to payor. As a result, the coverage determination process is often a time-consuming and
costly process that will require us or our collaborators to provide scientific and clinical support for the use of any potential products that may be approved
to each payor separately, with no assurance that coverage and adequate reimbursement will be applied consistently or obtained in the first instance.
Furthermore, rules and regulations regarding reimbursement change frequently, in some cases on short notice. Obtaining coverage and adequate
reimbursement for products we develop alone or with collaborators may be particularly difficult because of the higher prices often associated with drugs
administered under the supervision of a physician. In certain instances, payors may not separately reimburse for the product itself, but only for the
treatments or procedures in which such product is used. A decision by a third-party payor not to cover or separately reimburse for products that we develop
alone or with collaborators or procedures using such products, could reduce physician utilization of any such products that may receive approval.

Third-party payors are increasingly challenging prices charged for pharmaceutical products and services, and many third-party payors may refuse to
provide coverage and reimbursement for particular drugs or biologics when an equivalent generic drug, biosimilar or a less expensive therapy is available.
If approved, it is possible that a third-party payor may consider any products that we develop alone or with collaborators as substitutable and only offer to
reimburse patients for the less expensive product. Pricing of existing third-party therapeutics may limit the amount we will be able to charge for any
products that may receive approval even if we or our collaborators show improved efficacy or improved convenience of administration such products.
These payors may deny or revoke the reimbursement status of a given product or establish prices for new or existing marketed products at levels that are
too low to enable us to realize an appropriate return on our investment in the product. If reimbursement is not available or is available only at limited levels,
we or our collaborators may not be able to successfully commercialize any of the products that we develop, even if approved, and we may not be able to
obtain a satisfactory financial return on them. Moreover, increasing efforts by governmental and third-party payors in the United States and abroad to cap
or reduce healthcare costs may cause such organizations to limit both coverage and the level of reimbursement for newly approved products and, as a
result, they may not cover or provide adequate payment for any products we develop alone or with collaborators that may receive approval. We expect to
experience pricing pressures in connection with the sale of any products that may receive approval due to the trend toward managed health care, the
increasing influence of health maintenance organizations and additional legislative changes. The downward pressure on healthcare costs in general,
particularly prescription drugs and biologics and surgical procedures and other treatments, has become intense. As a result, increasingly high barriers are
being erected to the entry of new products.

Outside the United States, international operations are generally subject to extensive governmental price controls and other market regulations, and we
believe the increasing emphasis on cost-containment initiatives in Europe and elsewhere have and will continue to put pressure on the pricing and usage of
any products we develop alone or with collaborators that may receive approval. In many countries, the prices of medical products are subject to varying
price control mechanisms as part of national health systems. Other countries allow companies to fix their own prices for medical products, but monitor and
control company profits. Additional international price controls or other changes in pricing regulation could restrict the amount that we or our collaborators
are able to charge for products that we develop that may receive approval. Accordingly, in markets outside the United States, the reimbursement for such
products may be reduced compared with the United States and may be insufficient to generate commercially reasonable revenue and profits.

Our product candidates for which we intend to seek approval as biologic products may face competition sooner than anticipated.

If we are successful in achieving regulatory approval to commercialize any biologic product candidate we develop alone or with collaborators, it may face
competition from biosimilar products. In the United States, our product candidates are regulated by the FDA as biologic products subject to approval under
the BLA pathway. The BPCIA created an abbreviated pathway for the approval of biosimilar and interchangeable biologic products following the approval
of an original BLA. The abbreviated regulatory pathway establishes legal authority for the FDA to review and approve biosimilar biologics, including the
possible designation of a biosimilar as “interchangeable” based on its similarity to an existing brand product. Under the BPCIA, an application for a
biosimilar product may not be submitted until four years following the date that the reference product was first licensed by the FDA. In addition, the
approval of a biosimilar product may not be made effective by the FDA until 12 years after the reference product was first licensed by

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the FDA. During this 12-year period of exclusivity, another company may still market a competing version of the reference product if the FDA approves a
full BLA for the competing product containing the sponsor’s own preclinical data and data from adequate and well-controlled clinical trials to demonstrate
the safety, purity and potency of their product.

We believe that any of our product candidates that are approved as biological products under a BLA should qualify for the 12-year period of exclusivity.
However, there is a risk that this exclusivity could be shortened due to congressional action or otherwise, or that the FDA will not consider such product
candidates to be reference products for competing products, potentially creating the opportunity for generic competition sooner than anticipated. If
competitors are able to obtain marketing approval for biosimilars referencing any products that we develop alone or with collaborators that may be
approved, such products may become subject to competition from such biosimilars, with the attendant competitive pressure and potential adverse
consequences.

Jurisdictions in addition to the U.S. have established abbreviated pathways for regulatory approval of biological products that are biosimilar to earlier
approved reference products. For example, the EU has had an established regulatory pathway for biosimilars since 2006.

Risks Related to Our Organization, Structure and Operations

The ongoing novel coronavirus disease, COVID-19 has impacted, and may continue to impact, our business, and any other pandemic, epidemic or
outbreak of an infectious disease may materially and adversely impact our business, including our preclinical studies and clinical trials.

In March 2020, the World Health Organization designated the outbreak of the novel strain of coronavirus known as COVID-19 as a global pandemic, and
COVID-19 and its variants have spread to multiple global regions, including the United States and Europe. The ongoing pandemic and government
measures taken in response have also had a significant impact, both direct and indirect, on businesses and commerce, as worker shortages have occurred;
supply chains and manufacturing, including our own, have been disrupted; facilities and production have been suspended; and demand for certain goods
and services, such as medical services and supplies, has spiked, while demand for other goods and services, such as travel, has fallen. In response to the
impact of COVID-19 and its variants and in accordance with local guidelines, we have implemented measures to mitigate exposure risks and support
operations. The health and safety program we have initiated requiring mandatory use of face masks, mandatory vaccinations, social distancing, sanitary
handwashing practices, use of personal protective equipment stations, stringent cleaning and sanitization of all facilities and measures to reduce total
occupancy in facilities, as well as temperature and symptom screening procedures at each location may not sufficiently protect our employees. We have
communicated to our employees that based on their comfort level, regardless of role, they may elect not to come to work. Any additional resurgence of
outbreaks, new regulatory orders or guidance, or self-imposed protective measures we impose could require reversal of our previously eased restrictions to
our on-site activities and, as a result, adversely impact our business, including our preclinical studies and clinical trials.

As a result of the COVID-19 pandemic and its variants or other pandemic, epidemic or outbreak of an infectious disease, we have and may continue to
experience disruptions that could severely impact our business, preclinical studies and clinical trials, including:

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delays or difficulties in enrolling patients in our clinical trials;

delays or difficulties in clinical site initiation, including difficulties in recruiting clinical site investigators, clinical site staff and IRB approval
required to begin a clinical trial at a site;

diversion of healthcare resources away from the conduct of clinical trials, including the diversion of hospitals serving as our clinical trial sites
and hospital staff supporting the conduct of our clinical trials;

interruption of key clinical trial activities, such as clinical trial site data monitoring, due to limitations on travel imposed or recommended by
federal or state governments, employers and others or interruption of clinical trial subject visits and study procedures, which may impact the
integrity of subject data and clinical study endpoints;

interruption or delays in the operations of the FDA or other regulatory authorities, which may impact review and approval timelines;

interruption in manufacturing, including, without limitation interruption of, or delays in receiving, supplies of our product candidates from our
contract manufacturing organizations due to staffing shortages, production slowdowns or stoppages and disruptions in delivery systems;

interruptions in preclinical studies due to restricted or limited operations at our laboratory facility;

limitations on employee resources that would otherwise be focused on the conduct of our preclinical studies and clinical trials, including because
of sickness of employees or their families or the desire of employees to avoid contact with large groups of people; and

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interruption or delays to our sourced discovery and clinical activities.

The COVID-19 pandemic and its variants continues to evolve. Disruptions, supply chain constraints and timeline impacts, competing resource demands
and safety concerns caused by the COVID-19 pandemic and its variants have caused, and may continue to cause, delays in our clinical trial site activation
and our ability to enroll patients. Supply chain constraints affecting the industry have also impacted our business. Lead times for certain single-use
components have been extended, and global impacts from the COVID-19 pandemic could lead to longer timelines or greater costs in the future.
Additionally, we have experienced and may also experience other difficulties, disruptions or delays in conducting preclinical studies or initiating, enrolling,
conducting or completing our planned and ongoing clinical trials, and we may incur other unforeseen costs as a result. The extent to which the COVID-19
pandemic impacts our business, preclinical studies and clinical trials will depend on future developments, which are highly uncertain and cannot be
predicted with confidence, such as the duration of the pandemic, emergence of additional new variants, travel restrictions and social distancing in the
United States and other countries, business closures or business disruptions and the effectiveness of actions taken in the United States and other countries to
contain and treat the disease.  If we or any of the third parties with whom we engage were to experience shutdowns or any further business disruptions, our
ability to conduct our business in the manner and on the timelines presently planned could be materially and negatively impacted. Additionally, the
magnitude of the economic impact brought by and the duration of COVID-19 pandemic and its variants continues to be difficult to assess or predict and
may continue to result in significant disruption of global financial markets, which may reduce our ability to access capital and negatively affect our
liquidity.

We will need to expand our organization, and we may experience difficulties in managing this growth, which could disrupt our operations.

As of December 31, 2021, we had 198 full-time employees. We will need to significantly expand our organization, and our future financial performance,
ability to develop and commercialize product candidates alone or with collaborators and ability to compete effectively will depend in part on our ability to
effectively manage any future growth. We may have difficulty identifying, hiring and integrating new personnel. Many of the biotechnology companies that
we compete against for qualified personnel and consultants have greater financial and other resources, different risk profiles and a longer history than we
do. If we are unable to continue to attract and retain high-quality personnel and consultants, the rate and success at which we can identify and develop
product candidates, enter into collaborative arrangements and otherwise operate our business will be limited.

Future growth would impose significant additional responsibilities on our management, including the need to identify, recruit, maintain, motivate and
integrate additional employees, consultants and contractors.

Management may need to divert a disproportionate amount of its attention away from our day-to-day activities and devote a substantial amount of time to
managing these growth activities. Due to our limited financial resources and the limited experience of our management team in managing a company with
such anticipated growth, we may not be able to effectively manage the expected expansion of our operations or recruit and train additional qualified
personnel. Moreover, the expected physical expansion of our operations may lead to significant costs and may divert our management and business
development resources from other projects, such as the development of product candidates. If we are not able to effectively manage the expansion of our
operations, it may result in weaknesses in our infrastructure, increase our expenses more than expected, give rise to operational mistakes, loss of business
opportunities, loss of employees and reduced productivity. Our future financial performance, ability to successfully commercialize any of our product
candidates and our ability to compete effectively will depend, in part, on our ability to effectively manage any future growth.

We may engage in transactions that could disrupt our business, cause dilution to our stockholders or reduce our financial resources.

In the future, we may enter into transactions to acquire or in-license rights to product candidates, products or technologies or to acquire other businesses. If
we do identify suitable candidates, we may not be able to enter into such transactions on favorable terms, or at all. Any such acquisitions or in-licenses may
not strengthen our competitive position, and these transactions may be viewed negatively by customers or investors. We may decide to incur debt in
connection with an acquisition or in-license, which may negatively impact our financial condition and restrict our operations, or issue our common stock or
other equity securities to the stockholders of the acquired company, which would reduce the percentage ownership of our existing stockholders. We could
incur losses resulting from undiscovered liabilities of the acquired business that are not covered by the indemnification we may obtain from the sellers of
the acquired business. In addition, we may not be able to successfully integrate the acquired personnel, technologies and operations into our existing
business in an effective, timely and non-disruptive manner. Such transactions may also divert management attention from day-to-day responsibilities,
increase our expenses and reduce our cash available for operations and other uses. We cannot predict the number, timing or size of future acquisitions or in-
licenses or the effect that they might have on our operating results.

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Our future success depends on our key executives, as well as attracting, retaining and motivating qualified personnel.

We are highly dependent on the research and development experience, technical skills, leadership and continued service of certain members of our
management and scientific teams. Although we have formal employment agreements with our executive officers, these agreements do not prevent them
from terminating their employment with us at any time. The loss of the services of any of these persons could impede the achievement of our research,
development and commercialization objectives.

Recruiting and retaining qualified scientific, clinical, manufacturing and, if we retain commercialization responsibility for any product candidate we
develop alone or with collaborators, sales and marketing personnel will also be critical to our success. For instance, we recently appointed a new Chief
Executive Officer and, earlier in 2021, appointed a new Chief Medical Officer. With the resignation of our Chief Operating Officer (“COO”) earlier in
2021, we have reassigned the responsibilities of the COO to other members of the management and senior leadership team. We may not be able to attract
new or successor personnel on acceptable terms or at all given the competition among numerous pharmaceutical and biotechnology companies for similar
personnel. We also experience competition for the hiring of scientific and clinical personnel from universities and research institutions. In addition, we rely
on consultants and advisors, including scientific and clinical advisors, to assist us in formulating our research and development and commercialization
strategies. Our consultants and advisors may be employed by employers other than us and may have commitments under consulting or advisory contracts
with other entities that may limit their availability to us. The inability to recruit, integrate, motivate and retain additional skilled and qualified personnel, or
the loss of services of certain executives, key employees, consultants or advisors, may impede the progress of our research, development and
commercialization objectives and have a material adverse effect on our business.

We are subject to increased costs as a result of operating as a public company, and our management will be required to devote substantial time to
maintaining compliance initiatives and corporate governance practices, including establishing and maintaining proper and effective internal control
over financial reporting.

As a public company, we have incurred and will continue to incur significant legal, accounting and other expenses that we did not incur as a private
company. We are subject to the Securities Exchange Act of 1934, as amended, or the Exchange Act, including the reporting requirements thereunder, the
Sarbanes-Oxley Act of 2002, the Dodd-Frank Wall Street Reform and Consumer Protection Act, the listing requirements of The Nasdaq Stock Market LLC
(“Nasdaq”) and other applicable securities rules and regulations, including requirements related to the establishment and maintenance of effective
disclosure and financial controls and corporate governance practices. Our management and other personnel will need to continue to devote a substantial
amount of time to these compliance initiatives. Moreover, these rules and regulations have increased our legal and financial compliance costs, making some
activities more difficult, time consuming or costly, and increasing demand on our systems and resources.

Pursuant to Section 404 of the Sarbanes-Oxley Act of 2002 (“Section 404”) we are required to furnish a report by our management on our internal control
over financial reporting. However, while we remain an emerging growth company, we will not be required to include an attestation report on internal
control over financial reporting issued by our independent registered public accounting firm. To achieve compliance with Section 404 of the Sarbanes-
Oxley Act within the prescribed period, we will be engaged in a process to document and evaluate our internal control over financial reporting, which is
both costly and challenging. We may need to hire more employees in the future or engage outside consultants to comply with these requirements, which
will further increase our costs and expenses. If we fail to implement the requirements of Section 404 of the Sarbanes-Oxley Act in the required timeframe,
we may be subject to sanctions or investigations by regulatory authorities, including the SEC and Nasdaq. Furthermore, if we are unable to conclude that
our internal control over financial reporting is effective, our investors may lose confidence in the accuracy and completeness of our financial reports, the
market price of our common stock could decline, and we could be subject to sanctions or investigations by regulatory authorities. Failure to implement or
maintain an effective internal control system could also restrict our future access to the capital markets.

Our business and operations may suffer in the event of system failures or security breaches which could materially affect our results.

Despite the implementation of security measures, our information technology systems, as well as those of third parties with which we have relationships,
are vulnerable to attack and damage from computer viruses and malware (e.g., ransomware), unauthorized access, natural and manmade disasters,
terrorism, war and telecommunication and electrical failures, malfeasance by external or internal parties, and human error (e.g., social engineering,
phishing).  The aforementioned third parties with which we have relationships include service providers and vendors who provide to us a broad array of
software and other technologies as well as products, services and functions (e.g., human resources, finance, communications, data transmission, risk,
compliance) that enable us to conduct, monitor and/or protect our business, operations, systems and data assets.  

Attacks upon information technology systems are increasing in their frequency, levels of persistence, sophistication and intensity, and are being conducted
by sophisticated and organized groups and individuals with a wide range of motives and expertise. Furthermore,

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because the technologies used to obtain unauthorized access to, or to sabotage or disrupt, systems change frequently and often are not recognized until
launched against a target, we may be unable to anticipate these techniques or implement adequate preventative measures. We may also experience security
breaches that may remain undetected for an extended period.  Even if identified, we may be unable to adequately investigate or remediate incidents or
breaches due to attackers increasingly using tools and techniques that are designed to circumvent controls, to avoid detection, and to remove or obfuscate
forensic evidence.  As a result of the COVID-19 pandemic and its variants, we may also face increased cybersecurity risks due to our reliance on internet
technology and the number of our and our service providers’ employees who are (and may continue to be) working remotely, which may create additional
opportunities for cybercriminals to exploit vulnerabilities. The White House, SEC and other regulators have also increased their focus on companies’
cybersecurity vulnerabilities and risks.  

We and certain of our service providers are from time to time, subject to cyberattacks and security incidents. While we do not believe that we have
experienced any significant system failure, accident or security breach to date, if such an event were to occur and cause interruptions in our or our critical
third parties’ operations, it could result in delays and/or material disruptions of our research and development programs, our operations and ultimately, our
financial results. For example, the loss of trial data from completed, ongoing or planned trials could result in delays in our regulatory approval efforts and
significantly increase our costs to recover or reproduce the data. To the extent that any disruption or security breach were to result in a loss of or damage to
data or applications, or inappropriate disclosure of personal, confidential or proprietary information, we could incur liability due to delays in the
development of our product candidates and/or due to reputational harm, litigation, regulatory investigations and enforcement, fines and penalties, or
increased costs of compliance and system remediation.  Any losses, costs or liabilities may not be covered by, or may exceed the coverage limits of, any or
all applicable insurance policies.

Federal, state and foreign legislators and regulators globally have enacted or proposed legal requirements regarding the collection, distribution, disclosure,
use, processing, security and storage of personally identifiable information and other types of regulated data, including online information and data
online.  In the ordinary course of our business, we and third parties with which we have relationships will continue to collect and store sensitive data,
including intellectual property, clinical trial data, proprietary business information, personal data and personally identifiable information of our clinical trial
subjects and employees, in data centers and on networks. The secure processing, maintenance and transmission of this information is critical to our
operations. Despite security measures that we and our critical third parties (e.g., collaborators) implement, our information technology and infrastructure
may be vulnerable to attacks by hackers or internal bad actors, breaches due to human error, technical vulnerabilities, malfeasance or other disruptions. A
number of proposed and enacted federal, state and international laws and regulations obligate companies to notify individuals and other parties of security
breaches involving particular types of information, which could result from breaches experienced by us or by third parties, including collaborators, vendors,
contractors or other organizations with which we have formed relationships that involve the handling or processing of such information.

Although, to our knowledge, neither we nor any such third parties have experienced any material security breach or incident involving the unauthorized
disclosure or misuse of sensitive information, and even though we may have contractual protections with third parties who process or handle sensitive
information, any breach could compromise our or their networks and the information stored there could be accessed, publicly disclosed, lost or stolen. Any
such access, disclosure, notifications, follow-up actions related to such a security breach or other loss of information could result in legal claims or
proceedings, liability under laws that protect the privacy of personal information and significant costs, including regulatory penalties, fines and legal
expenses, and such an event could disrupt our operations, cause us to incur remediation costs, damage our reputation and cause a loss of confidence in us
and our or such third parties’ ability to conduct clinical trials, which could adversely affect our reputation and delay our research and development
programs.

Our insurance policies are expensive and protect us only from some business risks, which leaves us exposed to significant uninsured liabilities.

We do not carry insurance for all categories of risk that our business may encounter. If we obtain marketing approval for any product candidates that we or
our collaborators may develop, we intend to acquire insurance coverage to include the sale of commercial products, but we may be unable to obtain such
insurance on commercially reasonable terms or in adequate amounts. We do not carry specific biological or hazardous waste insurance coverage, and our
property, casualty and general liability insurance policies specifically exclude coverage for damages and fines arising from biological or hazardous waste
exposure or contamination.

Accordingly, in the event of contamination or injury, we could be held liable for damages or be penalized with fines in an amount exceeding our resources,
and clinical trials or regulatory approvals for any of our product candidates could be suspended. We also expect that operating as a public company will
make it more expensive for us to obtain director and officer liability insurance, and we may be required to accept reduced policy limits and coverage or
incur substantially higher costs to obtain the same or similar coverage. As a result, it may be more difficult for us to attract and retain qualified individuals
to serve on our board of directors, our board committees or as our executive officers.

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Insurance coverage is becoming increasingly expensive, and in the future we may not be able to maintain insurance coverage at a reasonable cost or in
sufficient amounts to protect us against losses. We do not know if we will be able to maintain existing insurance with adequate levels of coverage, and any
liability insurance coverage we acquire in the future may not be sufficient to reimburse us for any expenses or losses we may suffer. A successful liability
claim or series of claims brought against us could require us to pay substantial amounts and cause our share price to decline and, if judgments exceed our
insurance coverage, could adversely affect our results of operations and business, including preventing or limiting the development and commercialization
of any product candidates that we or our collaborators may develop.

If we or any of our contract manufacturers or other suppliers fail to comply with environmental, health and safety laws and regulations, we could
become subject to fines or penalties or incur significant costs.

We and any of our contract manufacturers and suppliers are subject to numerous federal, state and local environmental, health and safety laws, regulations
and permitting requirements, including those governing laboratory procedures; the generation, handling, use, storage, treatment and disposal of hazardous
and regulated materials and wastes; the emission and discharge of hazardous materials into the ground, air and water; and employee health and safety. Our
operations involve the use of hazardous and flammable materials, including chemicals and biological and radioactive materials. Our operations also
produce hazardous waste. We generally contract with third parties for the disposal of these materials and wastes. We cannot eliminate the risk of
contamination or injury from these materials. In the event of contamination or injury resulting from our use of hazardous materials, we could be held liable
for any resulting damages, and any liability could exceed our resources. Under certain environmental laws, we could be held responsible for costs relating
to any contamination at our current or past facilities and at third-party facilities. We also could incur significant costs associated with civil or criminal fines
and penalties.

Compliance with applicable environmental laws and regulations may be expensive, and current or future environmental laws and regulations may impair
our research and product development efforts. In addition, we cannot entirely eliminate the risk of accidental injury or contamination from these materials
or wastes.

Although we maintain workers’ compensation insurance to cover us for costs and expenses we may incur due to injuries to our employees resulting from
the use of hazardous materials, this insurance may not provide adequate coverage against potential liabilities. We do not carry specific biological or
hazardous waste insurance coverage, and our property, casualty and general liability insurance policies (under which we currently have an aggregate of
approximately $10 million in coverage) specifically exclude coverage for damages and fines arising from biological or hazardous waste exposure or
contamination. Accordingly, in the event of contamination or injury, we could be held liable for damages or be penalized with fines in an amount exceeding
our resources, and our clinical trials or regulatory approvals for any product candidate we develop alone or with collaborators could be suspended, which
could have a material adverse effect on our business and financial condition.

In addition, we may incur substantial costs in order to comply with current or future environmental, health and safety laws, regulations and permitting
requirements, and any third-party contract manufacturers and suppliers we engage will also be subject to such current and future regulations and
requirements. These current or future laws, regulations and permitting requirements may impair our research, development or production efforts. Failure to
comply with these laws, regulations and permitting requirements, either by us or by any third-party contract manufacturers and suppliers we engage, also
may result in substantial fines, penalties or other sanctions or business disruption.

Our business operations, including our current and future relationships with third parties, may expose us to penalties for potential misconduct or
improper activity, including non-compliance with regulatory standards and requirements.

Complex laws constrain our business and the financial arrangements and relationships through which we conduct our operations, including how we may
research, market, sell and distribute product candidates alone or with collaborators. We are exposed to the risk of fraud or other misconduct by our
employees, consultants and collaborators and, if we or our collaborators commence clinical trials and proceed to commercialization, our principal
investigators and commercial partners, as well as healthcare professionals, third-party payors, patient organizations and customers. For example,
misconduct by these parties could include intentional failures to comply with FDA regulations or the regulations applicable in the EU and other
jurisdictions, provide accurate information to the FDA and other regulatory authorities, comply with healthcare fraud and abuse laws and regulations in the
United States and abroad, report financial information or data accurately or disclose unauthorized activities to us. In particular, sales, marketing and
business arrangements in the healthcare industry are subject to extensive laws and regulations intended to prevent fraud, misconduct, kickbacks, false
and/or misleading statements, corruption of government officials, self-dealing and other abusive practices. These laws and regulations restrict or prohibit a
wide range of pricing, discounting, marketing, promotion, sales commission and customer incentive programs and other business arrangements. Such
misconduct also could involve the improper use or misrepresentation of information obtained in the course of clinical trials, creating fraudulent data in
preclinical studies or clinical trials, illegal misappropriation of study materials or other property, or improper interactions with the FDA or other regulatory
authorities, which could result in regulatory sanctions and cause serious harm to our or our collaborators’ reputations.

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Ensuring that our internal operations and current and future business arrangements with third parties comply with applicable healthcare laws and
regulations will involve substantial costs. Additionally, we are subject to the risk that a person or government could allege such fraud or other misconduct,
even if none occurred. It is possible that governmental authorities will conclude that our business practices do not comply with current or future statutes,
regulations, agency guidance or case law involving applicable fraud and abuse or other healthcare laws and regulations. If our operations are found to be in
violation of any of the laws described above or any other governmental laws and regulations that may apply to us, we may be subject to significant
penalties, including civil, criminal and administrative penalties, damages, fines, exclusion from government-funded healthcare programs, such as Medicare
and Medicaid or similar programs in other countries or jurisdictions, additional reporting requirements and oversight if subject to a corporate integrity
agreement or similar agreement to resolve allegations of non-compliance with these laws, disgorgement, individual imprisonment, contractual damages,
reputational harm, diminished profits and the curtailment or restructuring of our operations. If any of the physicians or other providers or entities with
whom we expect to do business are found to not be in compliance with applicable laws, they may be subject to similar penalties, such as criminal, civil or
administrative sanctions, including exclusions from government-funded healthcare programs and imprisonment, which could affect our ability to operate
our business. Further, defending against any such actions can be costly and time-consuming and may require significant personnel resources. Therefore,
even if we are successful in defending against any such actions that may be brought against us, our business may be impaired.

We have adopted policies applicable to all of our employees, but it is not always possible to identify and deter employee misconduct, and the precautions
we take to detect and prevent such activity may not be effective in controlling unknown or unmanaged risks or losses or in protecting us from government
investigations or other actions or lawsuits stemming from a failure to comply with applicable laws or regulations. Additionally, we are subject to the risk
that a person could allege such fraud or other misconduct, even if none occurred. If any such actions are instituted against us, and we are not successful in
defending ourselves or asserting our rights, those actions could result in the imposition of any of the penalties discussed above and have a significant
impact on our business and financial condition.

We are subject to complex tax rules relating to our business, and any audits, investigations or tax proceedings could have a material adverse effect on
our business, results of operations and financial condition.

We are subject to income and non-income taxes in the United States. Income tax accounting often involves complex issues, and judgment is required in
determining our provision for income taxes and other tax liabilities. In May 2018 we formed a subsidiary in Australia, which was subsequently transferred
to New Elo in December 2021. In June 2019 we formed a subsidiary in the UK, and we may operate in other foreign jurisdictions in the future. We could
become subject to income and non-income taxes in foreign jurisdictions as well. In addition, many jurisdictions have detailed transfer pricing rules, which
require that all transactions with non-resident related parties be priced using arm’s length pricing principles within the meaning of such rules. The
application of withholding tax, goods and services tax, sales taxes and other non-income taxes is not always clear and we may be subject to tax audits
relating to such withholding or non-income taxes. We believe that our tax positions are reasonable and our tax reserves are adequate to cover any potential
liability. We are currently not subject to any tax audits. However, the Internal Revenue Service (“IRS”) or other taxing authorities may disagree with our
positions. If the IRS or any other tax authorities were successful in challenging our positions, we may be liable for additional tax and penalties and interest
related thereto or other taxes, as applicable, in excess of any reserves established therefor, which may have a significant impact on our results and
operations and future cash flow.

We may not be able to utilize all, or any, of our net operating loss carryforwards.

We have incurred substantial losses during our history, do not expect to become profitable in the near future, and we may not achieve profitability. As of
December 31, 2021, we had U.S. federal, state, and foreign net operating loss (“NOL”) carryforwards of  $181.0 million, $122.2 million, and $0.4 million,
respectively. Our federal NOL carryforwards of $19.7 million will begin to expire in 2030 while the remaining federal NOL carryforwards of $161.2
million carry forward indefinitely. The state NOL carryforwards begin to expire in 2025. In addition, as of December 31, 2021, we have U.S. federal and
state research and development (“R&D”) tax credits of $11.4 million and an amount less than $0.1 million available to offset future U.S. federal and state
income taxes, which begin to expire in 2027 and 2030, respectively.  At December 31, 2021 and December 31, 2020, we had federal Orphan Drug credits
of $9.5 million and $6.0 million, respectively, which begin to expire in 2038.

Changes in tax laws or regulations may adversely impact our ability to utilize all, or any, of our NOL carryforwards. For example, legislation enacted in
2017, informally titled the Tax Cuts and Jobs Act (the “TCJA”), significantly revised the Internal Revenue Code of 1986, as amended. Future guidance
from the IRS and other tax authorities with respect to the TCJA may affect us, and certain aspects of the TCJA could be repealed or modified in future
legislation. For example, the Coronavirus Aid, Relief, and Economic Security Act (the “CARES Act”) modified certain provisions of the TCJA. Under the
CARES Act, NOLs arising in a tax year beginning after December 31, 2017, and before January 1, 2021, generally may now be carried back five years.
Under the TCJA, as modified by the CARES Act, unused losses generated in taxable years ending after December 31, 2017 will not expire and may be
carried forward indefinitely, but the deductibility of such NOLs in tax years beginning after December 31, 2020, is limited to 80% of taxable income. It is
uncertain if and to what extent various states will conform to the to the TCJA or the CARES Act.

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As of December 31, 2021, we have a valuation allowance for the full amount of our net deferred tax assets as the realization of the net deferred tax assets is
not determined to be more likely than not. In addition, Sections 382 and 383 of the Code limit a corporation’s ability to utilize its NOL carryforwards and
certain other tax attributes (including research credits) to offset any future taxable income or tax if the corporation experiences a cumulative ownership
change of more than 50% over any rolling three-year period. State NOL carryforwards (and certain other tax attributes) may be similarly limited. A Section
382 ownership change can therefore result in significantly greater tax liabilities than a corporation would incur in the absence of such a change, and any
increased liabilities could adversely affect the corporation’s business, results of operations, financial condition and cash flow. We have not yet determined if
any prior change in the ownership of our equity or any change in such ownership in connection with our IPO, would trigger a Section 382 ownership
change. It is possible that such a Section 382 ownership change has already occurred in prior periods. Furthermore, additional ownership changes may
occur in the future as a result of events over which we will have little or no control, including purchases and sales of our equity by our 5% stockholders, the
emergence of new 5% stockholders, additional equity offerings or redemptions of our stock or certain changes in the ownership of any of our 5%
stockholders. As a result, our pre-2018 NOL carryforwards (and research tax credits) may expire prior to being used, and our NOL carryforwards and tax
credits generated in 2018 and thereafter will be subject to a percentage limitation, upon an ownership change. Similar provisions of state tax law may also
apply to limit our use of accumulated state tax attributes. As a result, even if we attain profitability, we may be unable to use all or a material portion of our
NOLs and other tax attributes, which could adversely affect our future cash flows.

Risks Related to Our Reliance on Third Parties

We have entered into significant arrangements with collaborators and expect to depend on collaborations with third parties for certain research,
development and commercialization activities, and if any such collaborations are not successful, it may harm our business and prospects.

We have sought in the past, and anticipate that we will continue to seek in the future, third-party collaborators for the research, development and
commercialization of certain product candidates and the research and development of certain technologies. For example, we are party to the Development
and License Agreement with Lilly.  Under this agreement, we are focused on research and development of in vivo gene editing products that utilize or
incorporate our ARCUS nucleases. Our likely collaborators for other product research and development arrangements include large and mid-size
pharmaceutical and biotechnology companies, and our likely collaborators for other technology research and development arrangements include
universities and other research institutions.

Working with collaborators poses several significant risks. We have limited control over the amount and timing of resources that our collaborators dedicate
to the product candidates or technologies we may seek to develop with them. A variety of factors may impact resource allocation decisions of collaborators,
such as study or trial results, changes in the collaborator’s strategic focus, turnover in personnel responsible for the development activities, financial
capacity or external factors such as a business combination or change in control that diverts resources or creates competing priorities. Collaboration
agreements may not lead to development or commercialization of product candidates or the development of technologies in the most efficient manner or at
all. Resource allocation and other developmental decisions made by our collaborators may result in the delay or termination of research programs, studies
or trials, repetition of or initiation of new studies or trials or provision of insufficient funding or resources for the completion of studies or trials or the
successful marketing and distribution of any product candidates that may receive approval. Collaborators could independently develop, or develop with
third parties, product candidates or technologies that compete directly or indirectly with our product candidates or technologies if the collaborators believe
that competitive products or technologies are more likely to be successfully developed or can be commercialized under terms that are more economically
attractive than ours. Collaborators may not properly obtain, maintain, enforce or defend our intellectual property or proprietary rights or may use our
proprietary information in such a way that could jeopardize or invalidate our proprietary information or expose us to potential litigation. Disputes may arise
between us and our collaborators that result in the delay or termination of the research, development or commercialization activities or that result in costly
litigation or arbitration that diverts management attention and resources.

Our ability to generate revenues from these arrangements will depend on our collaborators’ abilities to successfully perform the functions assigned to them
in these arrangements. If our collaborations do not result in the successful development and commercialization of product candidates or technologies, or if
one of our collaborators terminates its agreement with us, we may not receive any future funding or milestone or royalty payments under the collaboration.
If we do not receive the funding we expect under these agreements, our development of product candidates or technologies could be delayed, and we may
need additional resources to develop such product candidates or technologies. For example, we waived earned, but unpaid milestone payments in
connection with the termination of the Servier Agreement. Further, as a result of the termination of the Gilead Agreement, we are no longer entitled to
receive certain milestone payments, our submission of an IND for our in vivo chronic HBV program has been delayed and we are currently exploring
alternative opportunities to enable to continued development of ARCUS-based HBV therapies. In connection with this termination, and if any of our other
collaborators terminates its agreement with us, we may be unable to find a suitable replacement collaborator or any replacement collaborator or attract new
collaborators and may need to raise additional capital to pursue further development or commercialization of the applicable product candidates or
technologies. These events could delay development programs, negatively impact the perception of our company in business and financial communities or
cause us to have to

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cease development of the product candidate covered by the collaboration arrangement. Failure to develop or maintain relationships with any current
collaborators could result in the loss of opportunity to work with that collaborator or reputational damage that could impact our relationships with other
collaborators in the relatively small industry communities in which we operate. Moreover, all of the risks relating to product development, regulatory
approval and commercialization described in this Annual Report on Form 10-K apply to the activities of our collaborators. If our existing collaboration
agreements or any collaborative or strategic relationships we may establish in the future are not effective and successful, it may damage our reputation and
business prospects, delay or prevent the development and commercialization of product candidates and inhibit or preclude our ability to realize any
revenues.

If we are not able to establish collaborations on commercially reasonable terms, we may have to alter our research, development and commercialization
plans.

Our research and product development programs and the potential commercialization of any product candidates we develop alone or with collaborators will
require substantial additional cash to fund expenses, and we expect that we will continue to seek collaborative arrangements with others in connection with
the development and potential commercialization of current and future product candidates or the development of ancillary technologies. We face significant
competition in establishing relationships with appropriate collaborators. In addition, there have been a significant number of recent business combinations
among large pharmaceutical companies that have resulted in a reduced number of potential future collaborators. Whether we reach a definitive agreement
for a collaboration will depend, among other things, upon our assessment of the collaborator’s resources and expertise, the terms and conditions of the
proposed collaboration and the proposed collaborator’s evaluation of a number of factors. Those factors may include, among other things and as applicable
for the type of potential product or technology, an assessment of the opportunities and risks of our technology, the design or results of studies or trials, the
likelihood of approval, if necessary, by the FDA or similar regulatory authorities outside the United States, the potential market for the subject product
candidate, the costs and complexities of manufacturing and delivering such product candidate to patients, the potential of competing products and
technologies and industry and market conditions generally.

Current or future collaborators may also consider alternative product candidates or technologies for similar indications that may be available to collaborate
on and whether such a collaboration could be more attractive than the one with us. Additionally, we may be restricted under existing collaboration
agreements from entering into future agreements on certain terms or for certain development activities with potential collaborators. For example, we have
granted exclusive rights or options to Lilly for certain targets, and during the term of our collaboration agreement we will be restricted from granting rights
to other parties to use our ARCUS technology to pursue potential products that address those targets. Similarly, our collaboration agreements have in the
past and may in the future contain non-competition provisions that could limit our ability to enter into strategic collaborations with future collaborators.

Collaborations are complex and time-consuming to negotiate and document. We may not be able to negotiate collaborations on a timely basis, on
acceptable terms, or at all. If we do enter into additional collaboration agreements, the negotiated terms may force us to relinquish rights that diminish our
potential profitability from development and commercialization of the subject product candidates or others. If we are unable to enter into additional
collaboration agreements, we may have to curtail the research and development of the product candidate or technology for which we are seeking to
collaborate, reduce or delay research and development programs, delay potential commercialization timelines, reduce the scope of any sales or marketing
activities or undertake research, development or commercialization activities at our own expense. If we elect to increase our expenditures to fund research,
development or commercialization activities on our own, we may need to obtain additional capital, which may not be available to us on acceptable terms or
at all.

We rely on third parties to conduct, supervise and monitor our clinical trials and some aspects of our research and preclinical testing, and if those third
parties do not successfully carry out their contractual duties, comply with regulatory requirements, or otherwise perform in a satisfactory manner, we
may not be able to obtain regulatory approval or commercialize product candidates, or such approval or commercialization may be delayed, and our
business may be substantially harmed.

We rely on medical institutions, universities, clinical investigators, contract laboratories and other third parties, such as CROs, to conduct preclinical
studies and future clinical trials for our product candidates. Nevertheless, we will be responsible for ensuring that each of our studies and trials is conducted
in accordance with the applicable protocol, legal and regulatory requirements and scientific standards, and our reliance on such third parties will not relieve
us of our regulatory responsibilities.

Although we intend to design the trials for our product candidates either alone or with collaborators, third parties may conduct all of the trials. As a result,
many important aspects of our research and development programs, including their conduct and timing, will be outside of our direct control. Our reliance
on third parties to conduct future studies and trials will also result in less direct control over the management of data developed through studies and trials
than would be the case if we were relying entirely upon our own staff. Communicating with outside parties can also be challenging, potentially leading to
mistakes and difficulties in coordinating activities. Outside parties may have staffing difficulties, fail to comply with contractual obligations, experience
regulatory compliance issues, undergo changes in priorities, become financially distressed or form relationships with other entities, some of which may be
our competitors. We also face the risk of potential unauthorized disclosure or misappropriation of our intellectual property by CROs or

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other third parties, which may reduce our trade secret protection and allow our potential competitors to access and exploit our proprietary technology. For
any violations of laws and regulations during the conduct of our preclinical studies and future clinical trials, we could be subject to warning letters or
enforcement action that may include civil penalties up to and including criminal prosecution.

For example, we will remain responsible for ensuring that each of our clinical trials is conducted in accordance with the general investigational plan and
protocols for the trial. Moreover, the FDA requires us to comply with regulations, commonly referred to as GCPs for conducting, monitoring, recording and
reporting the results of clinical trials to assure that data and reported results are credible and accurate and that the rights, integrity and confidentiality of trial
participants are protected. If we, our collaborators, our CROs or other third parties fail to comply with applicable GCPs, the clinical data generated in our
clinical trials may be deemed unreliable and FDA or comparable foreign regulatory authorities may require us to perform additional clinical trials before
approving our marketing applications. We also are required to register certain ongoing clinical trials and post the results of such completed clinical trials on
a government-sponsored database, ClinicalTrials.gov, within certain timeframes. Failure to do so can result in fines, adverse publicity and civil and criminal
sanctions.

If our CROs or other third parties do not successfully carry out their contractual duties or obligations, fail to meet expected deadlines, or if the quality or
accuracy of the clinical data they obtain is compromised due to the failure to adhere to our clinical protocols or regulatory requirements or for any other
reasons, trials for product candidates may be extended, delayed or terminated, and we or our collaborators may not be able to obtain regulatory approval
for, or successfully commercialize, any product candidate that we develop. If we are required to repeat, extend the duration of or increase the size of any
trials we conduct, it could significantly delay commercialization and require significantly greater expenditures. As a result of any of these factors, our
financial results and the commercial prospects for any product candidate that we or our collaborators may develop would be harmed, our costs could
increase and our ability to generate revenues could be delayed.

We rely on third parties to supply raw materials or manufacture product supplies that are necessary for the conduct of preclinical studies, clinical trials
and manufacturing of our product candidates, and failure by third parties to provide us with sufficient quantities of products, or to do so at acceptable
quality levels or prices and on a timely basis, could harm our business.

We are dependent on third parties for the supply of various biological materials, such as cells, cytokines and antibodies, and the manufacture of product
supplies, such as media, plasmids, mRNA and AAV viral vectors, that are necessary to produce our product candidates. The supply of these materials could
be reduced or interrupted at any time. In such case, identifying and engaging an alternative supplier or manufacturer could result in delay, and we may not
be able to find other acceptable suppliers or manufacturers on acceptable terms, or at all. Switching suppliers or manufacturers may involve substantial
costs and is likely to result in a delay in our desired clinical and commercial timelines. If we change suppliers or manufacturers for commercial production,
applicable regulatory agencies may require us to conduct additional studies or trials. If key suppliers or manufacturers are lost, or if the supply of the
materials is diminished or discontinued, we or our collaborators may not be able to develop, manufacture and market product candidates in a timely and
competitive manner, or at all. If any of our product candidates receives approval, we will likely need to seek alternative sources of supply of raw materials
or manufactured product supplies and there can be no assurance that we will be able to establish such relationships to provide such supplies on
commercially reasonable terms or at acceptable quality levels, if at all. If we are unable to identify and procure additional sources of supply that fit our
required needs, we could face substantial delays or incur additional costs in procuring such materials. In addition, manufactured product supplies are
subject to stringent manufacturing processes and rigorous testing. Delays in the completion and validation of facilities and manufacturing processes of
these materials could adversely affect the ability to complete studies or trials and commercialize any product candidates that may receive approval.
Furthermore, if our suppliers or manufacturers encounter challenges relating to employee turnover, the supply and manufacturing of our materials could be
delayed or adversely affected as such parties seek to hire and train new employees. These factors could cause the delay of studies or trials, regulatory
submissions, required approvals or commercialization of product candidates that we or our collaborators may develop, cause us to incur higher costs and
prevent us from commercializing products successfully. Furthermore, if our suppliers or manufacturers fail to meet contractual requirements, and we are
unable to secure one or more replacements capable of production at a substantially equivalent cost, our or our collaborators’ studies or trials may be
delayed and we could lose potential revenue.

We may continue to rely on third parties for at least a portion of the manufacturing process of product candidates, and failure by those parties to
adequately perform their obligations could harm our business.

While we use our MCAT facility for certain of our clinical-scale manufacturing and processing needs, we may continue to rely on outside vendors for at
least a portion of the manufacturing process of product candidates that we or our collaborators may develop. The facilities used by our contract
manufacturers to manufacture product candidates must be approved by the FDA or other foreign regulatory agencies pursuant to inspections that will be
conducted after we submit an application to the FDA or other foreign regulatory agencies. To the extent that we or our collaborators engage third parties for
manufacturing services, we will not control the manufacturing process of, and will be completely dependent on, our contract manufacturing providers for
compliance with cGMP

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requirements for manufacture of the product candidates. We have not yet caused any product candidates to be manufactured or processed on a commercial
scale and may not be able to do so. We will make changes as we work to optimize the manufacturing process, and we cannot be sure that even minor
changes in the process will result in products that are safe and effective. If our contract manufacturers cannot successfully manufacture material that
conforms to our specifications and the strict regulatory requirements of the FDA or other regulatory authorities, they will not be able to secure and/or
maintain regulatory approval for their manufacturing facilities. In addition, we have no control over the ability of our contract manufacturers to maintain
adequate quality control, quality assurance and qualified personnel. If the FDA or a comparable foreign regulatory authority does not approve these
facilities for the manufacture of product candidates or if it withdraws any such approval in the future, we may need to find alternative manufacturing
facilities, which would significantly impact our ability to develop, obtain regulatory approval for or market any of our or our collaborators’ potential
products.

Risks Related to Intellectual Property

Our ability to compete may decline if we do not adequately protect our proprietary rights, and if our proprietary rights do not provide a competitive
advantage.

Our commercial success depends upon obtaining and maintaining proprietary rights to our intellectual property estate, including rights relating to ARCUS
and to our product candidates, as well as successfully defending these rights against third-party challenges and successfully enforcing these rights to
prevent third-party infringement. We will only be able to protect ARCUS and product candidates from unauthorized use by third parties to the extent that
valid and enforceable patents cover them. Our ability to obtain and maintain patent protection for ARCUS and our product candidates is uncertain due to a
number of factors, including that:

•

•

•

•

•

•

•

•

•

•

•

•

we may not have been the first to invent the technology covered by our pending patent applications or issued patents;

we may not be the first to file patent applications covering product candidates, including their compositions or methods of use, as patent
applications in the United States and most other countries are confidential for a period of time after filing;

our compositions and methods may not be patentable;

our disclosures in patent applications may not be sufficient to meet the statutory requirements for patentability;

any or all of our pending patent applications may not result in issued patents;

others may independently develop identical, similar or alternative technologies, products or compositions or methods of use thereof;

others may design around our patent claims to produce competitive technologies or products that fall outside of the scope of our patents;

we may fail to identify patentable aspects of our research and development output before it is too late to obtain patent protection;

we may not seek or obtain patent protection in countries that may eventually provide us a significant business opportunity;

any patents issued to us may not provide a basis for commercially viable products, may not provide any competitive advantages or may be
successfully challenged by third parties;

others may identify prior art or other bases upon which to challenge and ultimately invalidate our patents or otherwise render them
unenforceable; and

the growing scientific and patent literature relating to engineered endonucleases, including our own patents and publications, may make it
increasingly difficult or impossible to patent new engineered nucleases in the future.

Even if we have or obtain patents covering ARCUS or any product candidates or compositions, we and our collaborators may still be barred from making,
using and selling such product candidates or technologies because of the patent rights of others. Others may have filed, and in the future may file, patent
applications covering compositions, products or methods that are similar or identical to ours, which could materially affect our ability to successfully
develop any product candidates or to successfully commercialize any approved products alone or with collaborators. In addition, because patent
applications can take many years to issue, there may be currently pending applications unknown to us that may later result in issued patents that we or our
collaborators may infringe. These patent applications may have priority over patent applications filed by us.

The issuance of a patent is not conclusive as to its inventorship, scope, validity or enforceability, and our owned and licensed patents may be challenged in
the courts or patent offices in the United States and abroad. Such challenges may result in loss of exclusivity or freedom to operate or in patent claims being
narrowed, invalidated or held unenforceable, in whole or in part, which could limit our ability to stop others from using or commercializing similar or
identical technology and products, or limit the duration of the patent

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protection of our technology and products. For example, in August 2019, the Patent Trial and Appeal Board (the “PTAB”), of the USPTO initiated two
patent interferences, administrative proceedings within the USPTO, involving a family of patents that have been issued to us and a pending patent
application filed by a third party. An interference is conducted by the PTAB when opposing parties have applied for patent claims to the same invention or
substantially the same invention. The interference is conducted to determine which party, if either, is entitled to claims to the subject matter of the
interference. In October 2020, we announced the PTAB has issued judgements in our favor in two patent interference proceedings that challenged nine U.S.
patents we owned. The patents, which issued in 2018, relate to allogeneic CAR T cells produced by inserting a gene encoding a CAR into the TRAC locus,
as well as methods of using those cells for cancer immunotherapy. In the interference proceedings, a third party argued that it had invented the technology
in 2012. The PTAB, however, found that the third-party patent application did not satisfy the written description requirement and rejected these claims
while maintaining the claims in all nine of our patents.  Any adverse outcome in future interference proceedings could affect our competitive position,
including, without limitation, loss of some or all of our involved patent claims, limiting our ability to stop others from using or commercializing similar or
identical technology and products, which could harm our business, financial condition and results of operations. Protecting our patent rights in connection
with such proceeding may also be expensive and may involve the diversion of significant management time.

Furthermore, we cannot guarantee that any patents will be issued from any pending or future owned or licensed patent applications. Thus, even if our patent
applications issue as patents, they may not issue in a form that will provide us with meaningful protection, prevent competitors from competing with us or
otherwise provide us with any competitive advantage. In addition, third parties may be able to develop products that are similar to, or better than, ours in a
way that is not covered by the claims of our patents, or may have blocking patents that could prevent us from marketing our products or practicing our own
patented technology. Moreover, patents have a limited lifespan. In the United States, the natural expiration of a patent is generally 20 years after it is filed.
Various extensions may be available; however the life of a patent, and the protection it affords, is limited. Without patent protection for current or future
product candidates, we may be open to competition from generic versions of such potential products. Given the amount of time required for the
development, testing and regulatory review of new product candidates, patents protecting such candidates might expire before or shortly after such
candidates are commercialized. As a result, our owned and licensed patent portfolio may not provide us with sufficient rights to exclude others from
commercializing products similar or identical to those we or our collaborators may develop.

Obtaining and maintaining a patent portfolio entails significant expense, including periodic maintenance fees, renewal fees, annuity fees and various other
governmental fees on patents and patent applications. These expenditures can be at numerous stages of prosecuting patent applications and over the lifetime
of maintaining and enforcing issued patents. We may or may not choose to pursue or maintain protection for particular intellectual property in our portfolio.
If we choose to forgo patent protection or to allow a patent application or patent to lapse purposefully or inadvertently, our competitive position could
suffer. There are situations, however, in which failure to make certain payments or noncompliance with certain requirements in the patent process can result
in abandonment or lapse of a patent or patent application, resulting in partial or complete loss of patent rights in the relevant jurisdiction. In such an event,
our competitors might be able to enter the market, which would have a material adverse effect on our business.

Legal action that may be required to enforce our patent rights can be expensive and may involve the diversion of significant management time. There can
be no assurance that we will have sufficient financial or other resources to file and pursue infringement claims, which typically last for years before they
are concluded. In addition, these legal actions could be unsuccessful and result in the invalidation of our patents, a finding that they are unenforceable or a
requirement that we enter into a licensing agreement with or pay monies to a third party for use of technology covered by our patents. We may or may not
choose to pursue litigation or other actions against those that have infringed on our patents, or have used them without authorization, due to the associated
expense and time commitment of monitoring these activities. If we fail to successfully protect or enforce our intellectual property rights, our competitive
position could suffer, which could harm our results of operations.

Many biotechnology companies and academic institutions are currently pursuing a variety of different nuclease systems for genome editing technologies
using zinc finger nucleases, TALENs, and CRISPR/Cas9 and the use of those nucleases in cancer immunotherapy, gene therapy and genome editing.
Although those nucleases are physically and chemically different from our ARCUS nucleases, those companies and institutions may seek patents that
broadly cover aspects of cancer immunotherapy, gene therapy and genome editing using nucleases generally. Such patents, if issued, valid and enforceable,
could prevent us from marketing our product candidates, if approved, practicing our own patented technology, or might require us to take a license which
might not be available on commercially reasonable terms or at all. While we expect that we will continue to be able to patent our ARCUS nucleases for the
foreseeable future, as the scientific and patent literature relating to engineered endonucleases increases, including our own patents and publications, it may
become more difficult or impossible to patent new engineered endonucleases in the future.

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If we fail to comply with our obligations in the agreements under which we license intellectual property rights from third parties or otherwise
experience disruptions to our business relationships with our licensors, we could lose license rights that are important to our business.

We are a party to a number of intellectual property license agreements that are important to our business and expect to enter into additional license
agreements in the future. Our existing license agreements impose, and we expect that future license agreements will impose, various diligence, milestone
payment, royalty and other obligations on us. We may need to outsource and rely on third parties for many aspects of the development, sales and marketing
of any products covered under our current and future license agreements. Delay or failure by these third parties could adversely affect the continuation of
our license agreements with our licensors. If we fail to comply with any of our obligations under these agreements, or we are subject to a bankruptcy, our
licensors may have the right to terminate the license, in which event we would not be able to market any products covered by the license.

In addition, disputes may arise regarding the payment of the royalties due to licensors in connection with our exploitation of the rights we license from
them. Licensors may contest the basis of royalties we retained and claim that we are obligated to make payments under a broader basis. In addition to the
costs of any litigation we may face as a result, any legal action against us could increase our payment obligations under the respective agreement and
require us to pay interest and potentially damages to such licensors.

In some cases, patent prosecution of our licensed technology is controlled solely by the licensor. If such licensor fails to obtain and maintain patent or other
protection for the proprietary intellectual property we license from such licensor, we could lose our rights to such intellectual property or the exclusivity of
such rights, and our competitors could market competing products using such intellectual property. In that event, we may be required to expend significant
time and resources to develop or license replacement technology. If we are unable to do so, we or our collaborators may be unable to develop or
commercialize the affected product candidates, which could harm our business significantly. In other cases, we control the prosecution of patents resulting
from licensed technology. In the event we breach any of our obligations related to such prosecution, we may incur significant liability to our licensing
partners.

For example, our license agreement with Duke, which we refer to as the Duke License, imposes various payment, royalty and other obligations on us in
order to maintain the license. If we fail to make royalty payments or milestone payments required under the Duke License, Duke may terminate the
agreement. If we or our affiliates obtain a license from a third party to practice the Duke technology, we must use commercially reasonable efforts to secure
a covenant not to sue Duke, or any of its faculty, students, employees or agents, for any research and development efforts conducted at Duke that resulted in
the creation of any of its inventions or intellectual property rights arising therefrom. Additionally, because development of the Duke technology was funded
in part by the U.S. government, it is subject to certain government rights and obligations, including the requirement that any products sold in the United
States based upon such technology be substantially manufactured in the United States.

In addition, our cross-license agreement with Cellectis, or the Cellectis License, imposes various obligations on us in order to maintain the license. In
particular, if we participate in or provide assistance to a third party challenging the validity, enforceability and/or patentability of any claim of any patent
licensed to us by Cellectis under this agreement, Cellectis may terminate the agreement. The Cellectis License does not provide exclusive rights to use the
licensed intellectual property and technology or rights in all relevant fields in which we may wish to develop or commercialize our technology and products
in the future. As a result, we are not able to prevent competitors from developing and commercializing competitive products and technology that may use
this technology. Additionally, we do not have the right to control the preparation, filing, prosecution, maintenance, enforcement and defense of patents and
patent applications covering the technology that we license from Cellectis. Therefore, we cannot be certain that these patents and patent applications will be
prepared, filed, prosecuted, maintained and defended in a manner consistent with the best interests of our business. If Cellectis or other licensors fail to
prosecute, maintain, enforce and defend the patents subject to such licenses, or lose rights to those patents or patent applications, the rights we have
licensed may be reduced or eliminated, and our right to develop and commercialize any of our products that are the subject of such licensed rights could be
adversely affected.

If we fail to comply with our obligations under the Duke License or the Cellectis License, or arrangements with any other licensors, our counterparties may
have the right to terminate these agreements, in which event we might not be able to develop, manufacture or market any product candidate that is covered
by these agreements, which could materially adversely affect the value of any such product candidate. Termination of these agreements or reduction or
elimination of our rights under these agreements may result in our having to negotiate new or reinstated agreements with less favorable terms, or cause us
to lose our rights under these agreements, including our rights to important intellectual property or technology.

Disputes may arise regarding intellectual property subject to a license agreement, including:

•

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the scope of rights granted under the license agreement and other interpretation-related issues;

the amounts of royalties, milestones or other payments due to our licensors;

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•

•

•

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the extent to which our technology and processes infringe on intellectual property of the licensor that is not subject to the license agreement;

the sublicensing of patent and other rights under our collaborative development relationships;

our diligence obligations under the license agreement and what activities satisfy those diligence obligations;

the ownership of inventions and know-how resulting from the joint creation or use of intellectual property by our licensors and us and our
collaborators; and

the priority of invention of patented technology.

Such disputes may be costly to resolve and may divert management’s attention away from day-to-day activities. If disputes over intellectual property that
we have licensed from third parties prevent or impair our ability to maintain our licensing arrangements on acceptable terms, we or our collaborators may
be unable to successfully develop and commercialize the affected product candidates.

Some of our in-licensed intellectual property has been discovered through government funded research and thus may be subject to federal regulations
such as “march-in” rights, certain reporting requirements and a preference for U.S.-based companies, and compliance with such regulations may limit
our exclusive rights and our ability to contract with foreign manufacturers.

Certain intellectual property rights that have been in-licensed pursuant to the Duke License have been generated through the use of U.S. government
funding and are therefore subject to certain federal regulations. As a result, the U.S. government may have certain rights to intellectual property embodied
in our current or future product candidates pursuant to the Bayh-Dole Act of 1980, or the Patent and Trademark Law Amendment. These U.S. government
rights include a non-exclusive, non-transferable, irrevocable worldwide license to use inventions for any governmental purpose. In addition, the U.S.
government has the right, under certain limited circumstances, to require the licensor to grant exclusive, partially exclusive or non-exclusive licenses to any
of these inventions to a third party if it determines that (1) adequate steps have not been taken to commercialize the invention, (2) government action is
necessary to meet public health or safety needs or (3) government action is necessary to meet requirements for public use under federal regulations (also
referred to as “march-in rights”). The U.S. government also has the right to take title to these inventions if the licensor fails to disclose the invention to the
government or fails to file an application to register the intellectual property within specified time limits. Intellectual property generated under a
government funded program is also subject to certain reporting requirements, compliance with which may require us to expend substantial resources. In
addition, the U.S. government requires that any products embodying any of these inventions or produced through the use of any of these inventions be
manufactured substantially in the United States, and the Duke License requires that we comply with this requirement. This preference for U.S. industry
may be waived by the federal agency that provided the funding if the owner or assignee of the intellectual property can show that reasonable but
unsuccessful efforts have been made to grant licenses on similar terms to potential licensees that would be likely to manufacture the products substantially
in the United States or that under the circumstances domestic manufacture is not commercially feasible. This preference for U.S. industry may limit our
ability to contract with foreign product manufacturers for products covered by such intellectual property. To the extent any of our owned or licensed future
intellectual property is also generated through the use of U.S. government funding, the provisions of the Bayh-Dole Act may similarly apply.

If we do not obtain patent term extension in the United States under the Hatch-Waxman Act and in foreign countries under similar legislation with
respect to our product candidates, thereby potentially extending the term of marketing exclusivity for such product candidates, our business may be
harmed.

In the United States, a patent that covers an FDA-approved drug or biologic may be eligible for a term extension designed to restore the period of the patent
term that is lost during the premarket regulatory review process conducted by the FDA. Depending upon the timing, duration and conditions of FDA
marketing approval of our product candidates, one or more of our U.S. patents may be eligible for limited patent term extension under the Drug Price
Competition and Patent Term Restoration Act of 1984, or the Hatch-Waxman Act, which permits a patent term extension of up to five years for a patent
covering an approved product as compensation for effective patent term lost during product development and the FDA regulatory review process. In the
EU, our product candidates may be eligible for term extensions based on similar legislation. In either jurisdiction, however, we may not receive an
extension if we fail to apply within applicable deadlines, fail to apply prior to expiration of relevant patents or otherwise fail to satisfy applicable
requirements. Even if we are granted such extension, the duration of such extension may be less than our request. If we are unable to obtain a patent term
extension, or if the term of any such extension is less than our request, the period during which we can enforce our patent rights for that product will be in
effect shortened and our competitors may obtain approval to market competing products sooner. The resulting reduction of years of revenue from
applicable products could be substantial.

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Patents and patent applications involve highly complex legal and factual questions, which, if determined adversely to us, could negatively impact our
patent position.

The patent positions of biopharmaceutical and biotechnology companies and other actors in our fields of business can be highly uncertain and typically
involve complex scientific, legal and factual analyses. In particular, the interpretation and breadth of claims allowed in some patents covering
biopharmaceutical compositions may be uncertain and difficult to determine, and are often affected materially by the facts and circumstances that pertain to
the patented compositions and the related patent claims. The standards of the USPTO and its foreign counterparts are sometimes uncertain and could
change in the future. Consequently, the issuance and scope of patents cannot be predicted with certainty. Patents, if issued, may be challenged, invalidated
or circumvented. U.S. patents and patent applications may also be subject to interference or derivation proceedings, and U.S. patents may be subject to
reexamination proceedings, post-grant review and/or inter partes review in the USPTO. International patents may also be subject to opposition or
comparable proceedings in the corresponding international patent office, which could result in either loss of the patent or denial of the patent application or
loss or reduction in the scope of one or more of the claims of the patent or patent application. In addition, such interference, derivation, reexamination,
post-grant review, inter partes review and opposition proceedings may be costly. Accordingly, rights under any issued patents may not provide us with
sufficient protection against competitive products or processes.

Furthermore, even if not challenged, our patents and patent applications may not adequately protect our technology and any product candidates or products
that we develop alone or with collaborators or prevent others from designing their products to avoid being covered by our claims. If the breadth or strength
of protection provided by the patent applications we hold with respect to product candidates or potential products is threatened, it could dissuade companies
from collaborating with us to develop, and could threaten our or their ability to successfully commercialize, such product candidates. Furthermore, for U.S.
applications in which any claim is entitled to a priority date before March 16, 2013, an interference proceeding can be provoked by a third party or
instituted by the USPTO in order to determine who was the first to invent any of the subject matter covered by such patent claims.

In addition, changes in, or different interpretations of, patent laws in the United States and other countries may permit others to use our discoveries or to
develop and commercialize our technology and product candidates or products without providing any compensation to us, or may limit the scope of patent
protection that we are able to obtain. The laws of some countries do not protect intellectual property rights to the same extent as U.S. laws, and those
countries may lack adequate rules and procedures for defending our intellectual property rights.

If the patent applications we hold or have in-licensed with respect to our current and future research and development programs and product candidates fail
to issue, if their validity, breadth or strength of protection is threatened, or if they fail to provide meaningful exclusivity for our technology or any products
and product candidates that we or our collaborators may develop, it could dissuade companies from collaborating with us to develop product candidates,
encourage competitors to develop competing products or technologies and threaten our or our collaborators’ ability to commercialize future product
candidates. Any such outcome could have a material adverse effect on our business.

Third parties may assert claims against us alleging infringement of their patents and proprietary rights, or we may need to become involved in lawsuits
to defend or enforce our patents, either of which could result in substantial costs or loss of productivity, delay or prevent the development and
commercialization of product candidates, prohibit our use of proprietary technology or sale of potential products or put our patents and other
proprietary rights at risk.

Our commercial success depends in part upon our ability to develop, manufacture, market and sell product candidates without alleged or actual
infringement, misappropriation or other violation of the patents and proprietary rights of third parties. Litigation relating to infringement or
misappropriation of patent and other intellectual property rights in the pharmaceutical and biotechnology industries is common, including patent
infringement lawsuits, interferences, oppositions and reexamination proceedings before the USPTO and corresponding international patent offices. The
various markets in which we plan to operate are subject to frequent and extensive litigation regarding patents and other intellectual property rights. In
addition, many companies in intellectual property-dependent industries, including the biotechnology and pharmaceutical industries, have employed
intellectual property litigation as a means to gain an advantage over their competitors. Numerous United States, EU and other internationally issued patents
and pending patent applications, which are owned by third parties, exist in the fields in which we and our collaborators are developing product candidates,
and as the biotechnology and pharmaceutical industries expand and more patents are issued, the risk increases that our product candidates may be subject to
claims of infringement of the intellectual property rights of third parties. For example, we are aware of certain patents held by third parties relating to the
modification of T cells, including the production of CAR T cells. Although conducting clinical trials and other development activities with respect to our
CAR T product candidates is not considered an act of infringement in the United States, if and when any of our CAR T product candidates may be
approved by the FDA, those third parties may seek to enforce their patents by filing a patent infringement lawsuit against us. As a result of any patent
infringement claims, or in order to avoid any potential infringement claims, we may choose to seek, or be required to seek, a license from the third party,
which may require payment of substantial royalties or fees, or require us to grant a cross-license under our intellectual property rights, similar to the cross
license we granted Cellectis as part of our patent litigation settlement. These licenses may not be available on reasonable

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terms or at all. Even if a license can be obtained on reasonable terms, the rights may be nonexclusive, which would give our competitors access to the same
intellectual property rights. If we are unable to enter into a license on acceptable terms, we or our collaborators could be prevented from commercializing
one or more product candidates, or forced to modify such product candidates, or to cease some aspect of our business operations, which could harm our
business significantly. We or our collaborators might also be forced to redesign or modify our technology or product candidates so that we no longer
infringe the third-party intellectual property rights, which may result in significant cost or delay to us, or which redesign or modification could be
impossible or technically infeasible. Even if we were ultimately to prevail, any of these events could require us to divert substantial financial and
management resources that we would otherwise be able to devote to our business.

Further, if a patent infringement suit is brought against us, our collaborators or our third-party service providers, our development, manufacturing or sales
activities relating to the product or product candidate that is the subject of the suit may be delayed or terminated. In addition, defending such claims has in
the past and may in the future cause us to incur substantial expenses and, if successful, could cause us to pay substantial damages if we are found to be
infringing a third party’s patent rights. These damages potentially include increased damages and attorneys’ fees if we are found to have infringed such
rights willfully. Some claimants may have substantially greater resources than we do and may be able to sustain the costs of complex intellectual property
litigation to a greater degree and for longer periods of time than we could. In addition, patent holding companies that focus solely on extracting royalties
and settlements by enforcing patent rights may target us. In addition, if the breadth or strength of protection provided by the patents and patent applications
we own or in-license is threatened, it could dissuade companies from collaborating with us to license, develop or commercialize current or future product
candidates.

We have been and may in the future be subject to third-party claims and similar adversarial proceedings or litigation in other jurisdictions regarding our
infringement of the patent rights of third parties. Even if such claims are without merit, a court of competent jurisdiction could hold that these third-party
patents are valid, enforceable and infringed, and the holders of any such patents may be able to block or our collaborators’ ability to further develop or
commercialize the applicable product candidate unless we obtain a license under the applicable patents, or until such patents expire or are finally
determined to be invalid or unenforceable. Similarly, if any third-party patents were held by a court of competent jurisdiction to cover aspects of our
technologies, compositions, formulations, or methods of treatment, prevention or use, the holders of any such patents may be able to prohibit our use of
those technologies, compositions, formulations, methods of treatment, prevention or use or other technologies, effectively blocking our or our
collaborators’ ability to develop and commercialize the applicable product candidate until such patent expires or is finally determined to be invalid or
unenforceable or unless we or our collaborators obtain a license.

Some of our competitors may be able to sustain the costs of complex intellectual property litigation more effectively than we can because they have
substantially greater resources. In addition, intellectual property litigation, regardless of its outcome, may cause negative publicity, adversely impact
prospective customers, cause product shipment delays or prohibit us from manufacturing, marketing or otherwise commercializing our products, services
and technology. Any uncertainties resulting from the initiation and continuation of any litigation could have a material adverse effect on our ability to raise
additional funds or otherwise have a material adverse effect on our business, results of operation, financial condition or cash flows.

If we or one of our licensors were to initiate legal proceedings against a third party to enforce a patent covering our technology or a product candidate, the
defendant could counterclaim that our patent is invalid or unenforceable. In patent litigation in the United States and Europe, defendant counterclaims
alleging invalidity or unenforceability are common. Grounds for a validity challenge could be an alleged failure to meet any of several statutory
requirements, for example, lack of novelty, obviousness or non-enablement. Third parties might allege unenforceability of our patents because during
prosecution of the patent an individual connected with such prosecution withheld relevant information, or made a misleading statement. The outcome of
proceedings involving assertions of invalidity and unenforceability during patent litigation is unpredictable. With respect to the validity of patents, for
example, we cannot be certain that there is no invalidating prior art of which we and the patent examiner were unaware during prosecution, but that an
adverse third party may identify and submit in support of such assertions of invalidity. If a defendant were to prevail on a legal assertion of invalidity or
unenforceability, we would lose at least part, and perhaps all, of the patent protection on our technology or product candidates. Our patents and other
intellectual property rights also will not protect our technology if competitors design around our protected technology without infringing our patents or
other intellectual property rights. Even if resolved in our favor, litigation or other legal proceedings relating to intellectual property claims may cause us to
incur significant expenses and could distract our technical and management personnel from their normal responsibilities. In addition, because of the
substantial amount of discovery required in connection with intellectual property litigation, there is a risk that some of our confidential information could
be compromised by disclosure during this type of litigation. There could also be public announcements of the results of hearings, motions or other interim
proceedings or developments, and if securities analysts or investors view these announcements in a negative light, the price of our common stock could be
adversely affected. Such litigation or proceedings could substantially increase our operating losses and reduce our resources available for development
activities. We may not have sufficient financial or other resources to adequately conduct such litigation or proceedings.

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Developments in patent law could have a negative impact on our business.

From time to time, the Supreme Court, other federal courts, the United States Congress, or Congress, the USPTO and similar international authorities may
change the standards of patentability, and any such changes could have a negative impact on our business. For example, the America Invents Act (the
“AIA”), which was passed in September 2011, resulted in significant changes to the U.S. patent system. An important change introduced by the AIA is
that, as of March 16, 2013, the United States transitioned from a “first-to-invent” to a “first-to-file” system for deciding which party should be granted a
patent when two or more patent applications are filed by different parties claiming the same invention. Under a “first-to-file” system, assuming the other
requirements for patentability are met, the first inventor to file a patent application generally will be entitled to a patent on the invention regardless of
whether another inventor had made the invention earlier. A third party that files a patent application in the USPTO after that date but before us could
therefore be awarded a patent covering an invention of ours even if we made the invention before it was made by the third party. Circumstances could
prevent us from promptly filing patent applications on our inventions.

The AIA limited where a patentee may file a patent infringement suit and provided opportunities for third parties to challenge any issued patent in the
USPTO. Those provisions apply to all of our U.S. patents, regardless of when issued. Because of a lower evidentiary standard in USPTO proceedings
compared to the evidentiary standard in U.S. federal courts necessary to invalidate a patent claim, a third party could potentially provide evidence in a
USPTO proceeding sufficient for the USPTO to hold a claim invalid even though the same evidence would be insufficient to invalidate the claim if first
presented in a district court action. Accordingly, a third party may attempt to use the USPTO procedures to invalidate our patent claims that would not have
been invalidated if first challenged by the third party as a defendant in a district court action. These provisions could increase the uncertainties and costs
surrounding the prosecution of our or our licensors’ patent applications and the enforcement or defense of our or our licensors’ issued patents.

Additionally, the Supreme Court has ruled on several patent cases in recent years either narrowing the scope of patent protection available in certain
circumstances or weakening the rights of patent owners in certain situations, and there are other open questions under patent law that courts have yet to
decisively address. In addition to increasing uncertainty with regard to our ability to obtain patents in the future, this combination of events has created
uncertainty with respect to the value of our patents and patent applications. Depending on decisions by Congress, the federal courts and the USPTO, the
laws and regulations governing patents could change in unpredictable ways and could weaken our ability to obtain new patents or to enforce our existing
patents and patents that we might obtain in the future. In addition, the European patent system is relatively stringent in the type of amendments that are
allowed during prosecution, but the complexity and uncertainty of European patent laws has also increased in recent years. Complying with these laws and
regulations could limit our ability to obtain new patents in the future that may be important for our business.

If we were unable to protect the confidentiality of our trade secrets and enforce our intellectual property assignment agreements, our business and
competitive position would be harmed.

In addition to patent protection, because we operate in the highly technical field of development of product candidates and products using genome editing,
we rely significantly on trade secret protection in order to protect our proprietary technology and processes. Trade secrets are difficult to protect. Our policy
is to enter into confidentiality and intellectual property assignment agreements with our employees, consultants, outside scientific collaborators, sponsored
researchers and other advisors. These agreements generally require that the other party keep confidential and not disclose to third parties all confidential
information developed by the party or made known to the party by us during the course of the party’s relationship with us. These agreements also generally
provide that inventions conceived by the party in the course of rendering services to us will be our exclusive property. However, we may be unsuccessful in
executing such an agreement with each party who in fact conceives or develops intellectual property that we regard as our own. Our assignment agreements
may not be self-executing or may be breached, and we may be forced to bring claims against third parties, or defend claims they may bring against us, to
determine the ownership of what we regard as our intellectual property. In addition, these agreements may be held unenforceable and may not effectively
assign intellectual property rights to us. If our trade secrets and other unpatented or unregistered proprietary information are disclosed, we are likely to lose
such trade secret protection.

In addition, certain provisions in our intellectual property agreements may be susceptible to multiple interpretations. The resolution of any contract
interpretation disagreement that may arise could affect the scope of our rights to the relevant intellectual property or technology, or affect financial or other
obligations under the relevant agreement, either of which could have a material adverse effect on our business, financial condition, results of operations and
prospects.

In addition, agreements with third parties typically restrict the ability of such third parties to publish data potentially relating to our trade secrets. Our
academic collaborators typically have rights to publish data, provided that we are notified in advance and may delay publication for a specified period of
time in order to secure our intellectual property rights arising from the arrangement. In other cases, publication rights are controlled exclusively by us,
although in some cases we may share these rights with other parties. We also conduct joint research and product development activities that may require us
to share trade secrets under the terms of our research and development collaborations or similar agreements. In addition to contractual measures, we try to
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our proprietary information using physical and technological security measures. Such measures may not provide adequate protection for our proprietary
information. For example, our security measures may not prevent an employee or consultant with authorized access from misappropriating our trade secrets
and providing them to a competitor, and the recourse we have available against such misconduct may not provide an adequate remedy to protect our
interests fully. Enforcing a claim that a party illegally disclosed or misappropriated a trade secret can be difficult, expensive and time consuming, and the
outcome is unpredictable. In addition, courts outside the United States may be less willing to protect trade secrets. Furthermore, our proprietary information
may be independently developed by others in a manner that could prevent legal recourse by us. Competitors could purchase any products we may develop
and commercialize and attempt to reverse engineer and replicate some or all of the competitive advantages we derive from our development efforts,
willfully infringe our intellectual property rights or design around our protected technology. In addition, our key employees, consultants, suppliers or other
individuals with access to our proprietary technology and know-how may incorporate that technology and know-how into projects and inventions
developed independently or with third parties. As a result, disputes may arise regarding the ownership of the proprietary rights to such technology or know-
how, and any such dispute may not be resolved in our favor. If any of our confidential or proprietary information, including our trade secrets, were to be
disclosed or misappropriated, or if any such information was independently developed by a competitor, our competitive position could be harmed and such
disclosure or misappropriation could have a material adverse effect on our business.

We will not seek to protect our intellectual property rights in all jurisdictions throughout the world, and we may not be able to adequately enforce our
intellectual property rights even in the jurisdictions where we seek protection.

Filing, prosecuting and defending patents on product candidates in all countries and jurisdictions throughout the world would be prohibitively expensive,
and our intellectual property rights in some countries outside the United States could be less extensive than those in the United States, assuming that rights
are obtained in the United States. In-licensing patents covering product candidates in all countries throughout the world may similarly be prohibitively
expensive, if such opportunities are available at all. In addition, the laws of some foreign countries do not protect intellectual property rights to the same
extent as federal and state laws in the United States. Consequently, we may not be able to prevent third parties from practicing our inventions in all
countries outside the United States, or from selling or importing products made using our inventions in and into the United States or other jurisdictions.

We generally apply for patents in those countries where we intend to make, have made, use, offer for sale or sell products and where we assess the risk of
infringement to justify the cost of seeking patent protection. However, we do not seek protection in all countries where we sell products and we may not
accurately predict all the countries where patent protection would ultimately be desirable. If we fail to timely file a patent application in any such country or
major market, we may be precluded from doing so at a later date. Competitors may use our technologies in jurisdictions where we do not pursue and obtain
patent protection to develop their own products and may export otherwise infringing products to territories where we have patent protection, but where our
ability to enforce our patent rights is not as strong as in the United States. These products may compete with any products that we or our collaborators may
develop, and our patents or other intellectual property rights may not be effective or sufficient to prevent such competition.

The laws of some other countries do not protect intellectual property rights to the same extent as the laws of the United States. For example, European
patent law restricts the patentability of methods of treatment of the human body more than U.S. law does. Patent protection must ultimately be sought on a
country-by-country basis, which is an expensive and time-consuming process with uncertain outcomes. Accordingly, we may choose not to seek patent
protection in certain countries, and we will not have the benefit of patent protection in such countries. In addition, the legal systems of some countries,
particularly developing countries, do not favor the enforcement of patents and other intellectual property protection, especially those relating to
biopharmaceuticals or biotechnologies. As a result, many companies have encountered significant difficulties in protecting and defending intellectual
property rights in certain jurisdictions outside the United States. Such issues may make it difficult for us to stop the infringement of our patents, if obtained,
or the misappropriation of our other intellectual property rights. For example, many other countries, including countries in the EU, have compulsory
licensing laws under which a patent owner must grant licenses to third parties. In addition, many countries limit the enforceability of patents against third
parties, including government agencies or government contractors. In these countries, patents may provide limited or no benefit. In those countries, we and
our licensors may have limited remedies if patents are infringed or if we or our licensors are compelled to grant a license to a third party, which could
materially diminish the value of those patents and could limit our potential revenue opportunities. Accordingly, our and our licensors’ efforts to enforce
intellectual property rights around the world may be inadequate to obtain a significant commercial advantage from the intellectual property that we own or
license.

Furthermore, proceedings to enforce our patent rights in foreign jurisdictions could result in substantial costs and divert our efforts and attention from other
aspects of our business, subject our patents to the risk of being invalidated or interpreted narrowly, subject our patent applications to the risk of not issuing
or provoke third parties to assert claims against us. We may not prevail in any lawsuits that we initiate, and the damages or other remedies awarded to us, if
any, may not be commercially meaningful, while the damages and other remedies we may be ordered to pay such third parties may be significant.
Accordingly, our efforts to enforce our intellectual property rights around the world may be inadequate to obtain a significant commercial advantage from
the intellectual property that we develop or license.

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We may not be successful in obtaining or maintaining necessary rights to product components and processes for our development pipeline through
acquisitions and in-licenses.

We have rights, through licenses from third parties and under patents that we own, to the intellectual property to develop the product candidates we are
currently developing alone or with collaborators. Because our programs may involve additional product candidates that may require the use of proprietary
rights held by third parties, the growth of our business may depend in part on our ability to acquire, in-license or use these proprietary rights. In addition,
product candidates may require specific formulations to work effectively and efficiently, and these rights may be held by others. We may be unable to
acquire or in-license any compositions, methods of use, processes or other third-party intellectual property rights from third parties that we identify. The
licensing and acquisition of third-party intellectual property rights is a competitive area, and a number of more established companies, or companies that
have greater resources than we do, may also be pursuing strategies to license or acquire third-party intellectual property rights that we may consider
necessary or attractive to develop or commercialize product candidates. These established companies may have a competitive advantage over us due to
their size and greater cash resources and clinical development and commercialization capabilities. We may not be able to successfully complete such
negotiations and ultimately acquire the rights to the intellectual property surrounding product candidates that we may seek to acquire.

For example, we sometimes collaborate with academic institutions to accelerate our preclinical research or development under written agreements with
these institutions. Typically, these institutions provide us with an option to negotiate a license to any of the institution’s rights in technology resulting from
the strategic alliance. Regardless of such right of first negotiation, we may be unable to negotiate a license within the specified time frame or under terms
that are acceptable to us, and the institution may license such intellectual property rights to third parties, potentially blocking our ability to pursue our
development and commercialization plans.

In addition, companies that perceive us to be a competitor may be unwilling to assign or license to us intellectual property rights that we require in order to
successfully develop and commercialize potential products. We also may be unable to obtain such a license or assignment on terms that would allow us to
make an appropriate return on our investment. In either event, our business and prospects for growth could suffer.

If our trademarks and trade names are not adequately protected, then we may not be able to build name recognition in our markets of interest and our
business may be adversely affected.

If our trademarks and trade names are not adequately protected, then we may not be able to build name recognition in our markets of interest and our
business may be adversely affected. We may not be able to protect our rights to our trademarks and trade names, which we need to build name recognition
among potential collaborators or customers in our markets of interest. At times, competitors may adopt trade names or trademarks similar to ours, thereby
impeding our ability to build brand identity and possibly leading to market confusion. In addition, there could be potential trade name or trademark
infringement claims brought by owners of other registered trademarks or trademarks that incorporate variations of our unregistered trademarks or trade
names. Over the long term, if we are unable to successfully register our trademarks and trade names and establish name recognition based on our
trademarks and trade names, then we may not be able to compete effectively and our business may be adversely affected. Our efforts to enforce or protect
our proprietary rights related to trademarks, trade secrets, domain names, copyrights and other intellectual property may be ineffective and could result in
substantial costs and diversion of resources and could adversely impact our financial condition or results of operations.

Risks Related to Owning Our Common Stock

We could be subject to securities class action litigation.

In the past, securities class action litigation has often been brought against a company following a decline in the market price of its securities. This risk is
especially relevant to us as a clinical-stage biopharmaceutical company, as our stock price can significantly fluctuate as a result of public announcements
regarding the progress of our development efforts for our discovery platform and our product candidates. If we face such litigation, it could result in
substantial costs and a diversion of management’s attention and resources, which could harm our business.

We do not currently intend to pay dividends on our common stock.

We do not intend to pay any dividends to holders of our common stock for the foreseeable future. We currently intend to invest our future earnings, if any,
to fund our growth. In addition, pursuant to the terms of our Revolving Line we are prohibited from paying cash dividends without the prior written consent
of PWB and future debt instruments may materially restrict our ability to pay dividends on our common stock. Therefore, you are not likely to receive any
dividends on your common stock for the foreseeable future, and the success of an investment in our common stock will depend upon any future
appreciation in its value. Consequently,

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you may need to sell all or part of your common stock after price appreciation, which may never occur, as the only way to realize any future gains on your
investment.

Provisions in our amended and restated certificate of incorporation and restated bylaws or Delaware law might discourage, delay or prevent a change
in control of our company or changes in our management and therefore depress the trading price of our common stock.

Provisions in our amended and restated certificate of incorporation and our restated bylaws may discourage, delay or prevent a merger, acquisition or other
change in control of our company that stockholders may consider favorable, including transactions in which you might otherwise receive a premium for
your shares. These provisions could also limit the price that investors might be willing to pay in the future for shares of our common stock, thereby
depressing the market price of our common stock. In addition, because our board of directors is responsible for appointing the members of our management
team, these provisions may frustrate or prevent any attempts by our stockholders to replace or remove our current management by making it more difficult
for stockholders to replace members of our board of directors. Among other things, these provisions include those establishing:

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a classified board of directors with three-year staggered terms, which may delay the ability of stockholders to change the membership of a
majority of our board of directors;

no cumulative voting in the election of directors, which limits the ability of minority stockholders to elect director candidates;

the exclusive right of our board of directors to elect a director to fill a vacancy created by the expansion of the board of directors or the
resignation, death or removal of a director, which prevents stockholders from filling vacancies on our board of directors;

the ability of our board of directors to authorize the issuance of shares of preferred stock and to determine the terms of those shares, including
preferences and voting rights, without stockholder approval, which could be used to significantly dilute the ownership of a hostile acquirer;

the ability of our board of directors to alter our bylaws without obtaining stockholder approval;

the required approval of the holders of at least two-thirds of the shares entitled to vote at an election of directors to adopt, amend or repeal our
bylaws or repeal the provisions of our amended and restated certificate of incorporation regarding the election and removal of directors;

a prohibition on stockholder action by written consent, which forces stockholder action to be taken at an annual or special meeting of our
stockholders;

the requirement that a special meeting of stockholders may be called only by the chairman of the board of directors, our chief executive officer
(or our president, in the absence of a chief executive officer) or a majority of our board of directors, which may delay the ability of our
stockholders to force consideration of a proposal or to take action, including the removal of directors; and

advance notice procedures that stockholders must comply with in order to nominate candidates to our board of directors or to propose matters to
be acted upon at a stockholders’ meeting, which may discourage or deter a potential acquirer from conducting a solicitation of proxies to elect the
acquirer’s own slate of directors or otherwise attempting to obtain control of us.

Moreover, because we are incorporated in Delaware, we are governed by the provisions of Section 203 of the General Corporation Law of the State of
Delaware, which prohibits a person who owns in excess of 15% of our outstanding voting stock from merging or combining with us for a period of three
years after the date of the transaction in which the person acquired in excess of 15% of our outstanding voting stock, unless the merger or combination is
approved in a prescribed manner.

Our amended and restated certificate of incorporation and our amended and restated bylaws include exclusive forum provisions for substantially all
disputes between us and our stockholders, which could limit our stockholders’ ability to obtain a favorable judicial forum for disputes with us or our
directors, officers or employees.

Our amended and restated certificate of incorporation provides that, unless we consent in writing to the selection of an alternative forum to the fullest
extent permitted by law, the Court of Chancery of the State of Delaware will be the sole and exclusive forum for (1) any derivative action or proceeding
brought on our behalf, (2) any action asserting a claim for breach of a fiduciary duty owed by any of our directors, officers or other employees to us or our
stockholders, (3) any action asserting a claim arising pursuant to any provision of the General Corporation Law of the State of Delaware, our amended and
restated certificate of incorporation or our amended and restated bylaws, or (4) any action asserting a claim governed by the internal affairs doctrine. Under
our amended and restated certificate of incorporation, this exclusive forum provision will not apply to claims which are vested in the exclusive jurisdiction
of a court or forum other than the Court of Chancery of the State of Delaware, or for which the Court of Chancery of the

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State of Delaware does not have subject matter jurisdiction. For instance, the provision would not apply to actions arising under federal securities laws,
including suits brought to enforce any liability or duty created by the Exchange Act or the rules and regulations thereunder. Further, our amended and
restated bylaws provide that, unless we consent in writing to the selection of an alternative forum, to the fullest extent permitted by law, the federal district
courts of the United States will be the exclusive forum for the resolution of any complaint asserting a cause of action arising under the Securities Act and
that any person or entity purchasing or otherwise acquiring or holding any interest in shares of our capital stock are deemed to have notice of and consented
to this provision. These exclusive forum provisions may limit a stockholder’s ability to bring a claim in a judicial forum that it finds favorable for disputes
with us or our directors, officers or other employees, which may discourage such lawsuits against us and our directors, officers and other employees. For
example, stockholders who do bring a claim in the Court of Chancery could face additional litigation costs in pursuing any such claim, particularly if they
do not reside in or near the State of Delaware. The Court of Chancery may also reach different judgments or results than would other courts, including
courts where a stockholder considering an action may be located or would otherwise choose to bring the action, and such judgments or results may be more
favorable to us than to our stockholders.

We are an “emerging growth company” and the reduced disclosure requirements applicable to emerging growth companies may make our common
stock less attractive to investors.

We are an “emerging growth company,” as defined in the JOBS Act. We will remain an emerging growth company until the earlier of (1) December 31,
2024, (2) the last day of the fiscal year in which we have total annual gross revenue of $1.07 billion or more, (3) the date on which we have issued more
than $1.0 billion in nonconvertible debt during the previous three years, or (4) the date on which we are deemed to be a large accelerated filer under the
rules of the SEC which means the market value of our common stock that is held by non-affiliates exceeds $700 million as of the prior June 30th. For so
long as we remain an emerging growth company, we are permitted and intend to rely on exemptions from certain disclosure requirements that are
applicable to other public companies that are not emerging growth companies. These exemptions include:

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being permitted to present only two years of “Management’s Discussion and Analysis of Financial Condition and Results of Operations”
disclosure in this Annual Report on Form 10-K;

not being required to comply with the auditor attestation requirements of Section 404 of the Sarbanes-Oxley Act of 2002, as amended;

not being required to comply with any requirement that may be adopted by the Public Company Accounting Oversight Board regarding
mandatory audit firm rotation or a supplement to the auditor’s report providing additional information about the audit and the financial
statements;

reduced disclosure obligations in our SEC filings regarding executive compensation; and

exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and stockholder approval of any golden
parachute payments not previously approved.

In addition, the JOBS Act provides that an emerging growth company can take advantage of an extended transition period for complying with new or
revised accounting standards. This allows an emerging growth company to delay the adoption of these accounting standards until they would otherwise
apply to private companies. We have elected to take advantage of this extended transition period.

We may choose to take advantage of some, but not all, of the available exemptions for emerging growth companies. We cannot predict whether investors
will find our common stock less attractive if we rely on these exemptions. If some investors find our common stock less attractive as a result, there may be
a less active trading market for our common stock and our stock price may be reduced or more volatile.

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General Risk Factors

We or third parties with whom we have relationships may be adversely affected by natural or manmade disasters, public health emergencies and other
natural catastrophic events, and our business continuity and disaster recovery plans may not adequately protect us from a serious disaster.

Natural or manmade disasters could severely disrupt our operations and have a material adverse effect on our business, results of operations, financial
condition and prospects. If a natural disaster, public health emergency, power outage or other event occurred that prevented us from using all or a
significant portion of our facilities, that damaged our infrastructure or that otherwise disrupted operations, it may be difficult or, in certain cases, impossible
for us to continue our business for a substantial period of time, and our research and development activities could be setback or delayed. The disaster
recovery and business continuity plans we have in place may prove inadequate in the event of a serious disaster or similar event. We may incur substantial
expenses as a result of the limited nature of our disaster recovery and business continuity plans, which could have a material adverse effect on our business,
and such an event could disrupt our operations, cause us to incur remediation costs, damage our reputation and cause a loss of confidence in us and our or
third parties’ ability to conduct clinical trials, which could adversely affect our reputation and delay our research and development programs.

Unstable market and economic conditions may have serious adverse consequences on our business, financial condition and stock price.

Global credit and financial markets have experienced extreme volatility and disruptions in the past several years, including severely diminished liquidity
and credit availability, declines in consumer confidence, declines in economic growth, increases in unemployment rates and uncertainty about economic
stability, and similar deterioration in the credit and financial markets and confidence in economic conditions may occur in the future. Our general business
strategy may be adversely affected by any such economic downturn, volatile business environment or unpredictable and unstable market conditions. If the
current equity and credit markets deteriorate, or do not improve, it may make any necessary debt or equity financing more difficult, more costly and more
dilutive. Failure to secure any necessary financing in a timely manner and on favorable terms could have a material adverse effect on our growth strategy,
financial performance and stock price and could require us to delay or abandon clinical development plans. In addition, there is a risk that one or more of
our current service providers, manufacturers or others with whom we have strategic relationships may not survive any difficult economic times, which
could directly affect our ability to attain our operating goals.

As of December 31, 2021, we had cash and cash equivalents of $143.7 million. While we are not aware of any downgrades, material losses or other
significant deterioration in the fair value of our cash equivalents since December 31, 2021, deterioration of the global credit and financial markets could
negatively impact our current portfolio of cash equivalents or our ability to meet our financing objectives. Furthermore, our stock price may decline due in
part to the volatility of the stock market and any general economic downturn.

The market price of our common stock may be volatile and fluctuate substantially, which could result in substantial losses for purchasers of our
common stock.

The market price of our common stock is likely to be highly volatile and may fluctuate substantially due to many factors, including:

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inconsistent trading volume levels of our common stock;

announcements or expectations regarding debt or equity financing efforts;

sales of common stock by us, our insiders or our other stockholders;

actual or anticipated fluctuations in our financial condition and operating results;

failure to meet or exceed financial estimates and projections of the investment community or that we provide to the public;

results from or delays in our studies or trials, or those of our collaborators, competitors or companies perceived to be similar to us;

delay, failure or discontinuation of any of our product development and research programs, or those of our collaborators, competitors or
companies perceived to be similar to us;

announcements about new research programs or product candidates from us or our collaborators, our competitors or companies perceived to be
similar to us;

announcements by us, our collaborators, our competitors or companies perceived to be similar to us relating to significant acquisitions, strategic
partnerships or alliances, joint ventures, collaborations or capital commitments;

actual or anticipated changes in our growth rate relative to our competitors or companies perceived to be similar to us;

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fluctuations in the valuation of our collaborators, our competitors or companies perceived to be comparable to us;

a lack of, limited or withdrawal of coverage by security analysts, or positive or negative recommendations by them;

actual or expected changes in estimates as to financial results, development timelines or recommendations by securities analysts;

publication of research reports about us, genome editing or the biopharmaceutical industries;

developments or changing views regarding the use of genomic products, including those that involve genome editing;

our ability to effectively manage our growth;

the recruitment or departure of key personnel;

the results of any efforts by us to identify, develop, acquire or in-license additional product candidates, products or technologies;

unanticipated serious safety concerns related to the use of any of our product candidates, or those of our competitors or companies perceived to
be similar to us;

the termination of a collaboration agreement, licensing agreement or other strategic arrangement or the inability to establish additional strategic
arrangements on favorable terms, or at all;

regulatory actions with respect to any of our product candidates, or those of our competitors or companies perceived to be similar to us;

developments or disputes concerning patent applications, issued patents or other proprietary rights;

regulatory or legal developments in the United States and other countries;

changes in physician, hospital, or healthcare provider practices that may make our or our collaborators’ products less useful;

changes in the structure of healthcare payment systems;

significant lawsuits, such as products liability, patent or stockholder litigation;

short sales of our common stock; and

general economic, industry and market conditions.

These and other market and industry factors may cause the market price and demand for our common stock to fluctuate substantially, regardless of our
actual operating performance. These factors may have a material adverse effect on the market price and liquidity of our common stock, which may limit or
prevent you from readily selling your shares of common stock and may affect our ability to obtain financing or enter into desired strategic relationships.

If securities or industry analysts issue an adverse or misleading opinion regarding our common stock, our stock price and trading volume could
decline.

The trading market for our common stock relies in part on the research and reports that industry or securities analysts publish about us or our business. We
do not control these analysts. If any of the analysts who cover us issue an adverse or misleading opinion regarding us, our business model, our intellectual
property or our stock performance, or if our preclinical studies and clinical trials and operating results fail to meet the expectations of analysts, our stock
price would likely decline. If one or more of these analysts ceases coverage of us or fails to publish reports on us regularly, we could lose visibility in the
financial markets, which in turn could cause our stock price or trading volume to decline.

Item 1B. Unresolved Staff Comments

None.

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Item 2. Properties.

We currently occupy approximately 69,500 square feet of office and laboratory space at our corporate headquarters in Durham, North Carolina under a
lease that expires in 2024. We also occupy approximately 33,800 square feet of manufacturing, laboratory and office space used for our MCAT facility in
Research Triangle Park, North Carolina under a lease that expires in 2027.

Item 3. Legal Proceedings.

From time to time we may be involved in claims and proceedings arising in the course of our business. The outcome of any such claims or proceedings,
regardless of the merits, is inherently uncertain. We are not currently party to any material legal proceedings.

Item 4. Mine Safety Disclosures.

Not applicable.

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Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.

PART II

Our common stock trades on The Nasdaq Global Select Market under the symbol “DTIL.”

Holders of Common Stock

As of March 8, 2022, there were approximately 29 holders of record of our common stock. This number does not include “street name” or beneficial
holders, whose shares are held of record by banks, brokers, financial institutions and other nominees.

Dividend Policy

We intend to retain future earnings, if any, to finance the operation and expansion of our business and do not anticipate paying any cash dividends in the
foreseeable future. In addition, pursuant to the terms of our Revolving Line, we are prohibited from paying cash dividends without the prior written consent
of PWB and future debt instruments may materially restrict our ability to pay dividends on our common stock. Any future determination related to our
dividend policy will be made at the discretion of our board of directors after considering our financial condition, results of operations, capital requirements,
business prospects and other factors our board of directors deems relevant, and subject to any restrictions applicable to us contained in any future financing
instruments.

Item 6. [Reserved].

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Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with our consolidated financial
statements and the related notes to those statements included elsewhere in this Annual Report on Form 10-K. Some of the information contained in this
discussion and analysis or set forth elsewhere in this Annual Report on Form 10-K, including information with respect to our plans and strategy for our
business, includes forward-looking statements that involve risks and uncertainties. As a result of many important factors, including those set forth in Part I.
Item 1A. “Risk Factors” of this Annual Report on Form 10-K, our actual results could differ materially from the results described in, or implied by, these
forward-looking statements. As used in this Annual Report on Form 10-K, unless the context otherwise requires, references to “we,” “us,” “our,” the
“Company” and “Precision” refer to Precision BioSciences, Inc. and its subsidiaries on a consolidated basis.

A discussion regarding our financial condition and results of operation for the year ended December 31, 2021 compared to the year ended December 31,
2020 is presented below. A discussion regarding our financial condition and results of operations for the year ended December 31, 2020 compared to the
year ended December 31, 2019 is included under “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our
Annual Report on 10-K for the year ended December 31, 2020 filed on March 18, 2021

Overview

We are a clinical stage gene editing company dedicated to improving life by developing ex vivo allogeneic CAR T immunotherapies and in vivo therapies
for genetic and infectious diseases with the application of our wholly owned proprietary ARCUS genome editing platform. The foundation of ARCUS is a
natural homing endonuclease which allows us to replicate precise gene editing as it evolved in nature. ARCUS is designed to be precise in its specificity
and versatile in its design for gene knock out as well as complex edits with gene insertion and gene repair. ARCUS is also unique in its relatively small size
which potentially allows delivery to a wider range of cells and tissues using viral and non-viral gene delivery methods.

We believe our CAR T cells are the only allogeneic CAR T cells in human clinical trials made with a single gene editing step designed to specifically avoid
the potentially deleterious effects of making multiple edits to T cells. We are simultaneously conducting a Phase 1/2a clinical trial evaluating PBCAR0191
as a potential first-in-class and a Phase 1 clinical trial evaluating PBCAR19B as, if approved, a potential best-in-class CD19-targeting CAR T cell therapies
in adult patients with R/R, B-cell malignancies.

Made from donor-derived T cells modified using our ARCUS genome editing technology, PBCAR0191 recognizes the well characterized tumor cell
surface protein CD19, an important and validated target in several B-cell cancers, and PBCAR0191 is designed to avoid GvHD, a significant complication
associated with donor-derived, cell-based therapies. We presented updated data from the PBCAR0191 study utilizing an enhanced lymphodepletion
regimen in December 2021 at the 63rd ASH Annual Meeting.

PBCAR19B is a novel immune-evading stealth cell candidate employing a single-gene edit in an effort to knock-down β2m designed for evading T cell
rejection, while also inserting a HLA-E transgene to further evade rejection from natural killer cells. We initiated a clinical trial of PBCAR19B in patients
with R/R NHL in mid-2021 and completed dosing at Dose Level one.  We plan to commence dosing at the next dose level with clinical trial material from
an optimized manufacturing process once released and expect to provide a program update in mid-2022.

In January 2021, we closed the Development and License Agreement with Lilly to discover and develop in vivo gene editing product candidates
incorporating our ARCUS nucleases. Lilly has initially nominated DMD, a genetic disease affecting the muscles. Lilly has also nominated a liver-directed
target and a CNS directed target and has the right to nominate up to three additional gene targets over the first four years of the agreement. We will be
responsible for conducting certain pre-clinical research and IND-enabling activities with respect to such gene targets.

In April 2021, we entered into the Program Purchase Agreement with Servier, pursuant to which we reacquired all of our global development and
commercialization rights previously granted to Servier pursuant to the Servier Agreement, and mutually terminated the Servier Agreement.  This includes
our two clinical stage CD19-targeting allogeneic CAR T candidates, PBCAR0191 and PBCAR19B stealth cell, as well as four additional product targets.

In September 2021, we entered into an exclusive license agreement with Tiziana to evaluate foralumab, a fully human anti-CD3 mAb, as a
lymphodepleting agent in conjunction with our allogeneic CAR T cells for the potential treatment of cancers. This agreement reflects our ongoing pursuit
of a potential best-in-class allogeneic CAR T cell therapy.

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In November 2021, we announced that we will not continue development of PBCAR20A based on data observed to date in a heterogeneous R/R NHL
population previously treated with anti-CD20 monoclonal antibodies, as treatment with PBCAR20A did not result in compelling response rates in a Phase
1/2a clinical study. While this study provided important information regarding allogeneic CAR T dosing and lymphodepletion regimens, we intend to focus
our clinical efforts in R/R lymphoma on CD19 targeting programs, as we believe CD19 is a more robust antigenic target in R/R heterogeneous NHL
populations. All subjects enrolled in the study and evaluated for treatment with PBCAR20A had acceptable tolerability with no GvHD, no Grade ≥ 3
cytokine release syndrome, and no Grade ≥ 3 neurotoxicity.

In December 2021, we announced that we entered into an agreement with a syndicate of investors led by ACCELR8 to separate our wholly owned Elo Life
Systems subsidiary and create an independent food and agriculture business. The transaction enables us to focus exclusively on human therapeutics.

We expect in vivo therapies for genetic and infectious diseases to be a significant focus of our operations long-term because the differentiated attributes of
ARCUS are particularly advantageous for this type of application. In vivo gene correction involves the delivery of ARCUS nucleases directly into a
patient’s cells to treat disease at the level of the underlying DNA. In vivo genome editing is more complex and challenging than ex vivo approaches like
CAR T cells due to the need to safely deliver ARCUS directly to cells in the body. We believe that in vivo applications are particularly well suited to
ARCUS because they require extremely low levels of off-target editing and efficient delivery.

Looking ahead to the remainder of 2022 and beyond, we aim to further evaluate ARCUS clinically with the goal of positively impacting human health. In
mid-2022, we plan to provide updates on PBCAR0191, PBCAR19B, and PBCAR269A. In the in vivo gene editing pipeline, we expect to submit three
INDs or CTAs in the next three years, including trials to evaluate: PBGENE-PCSK9 for the treatment of FH, PBGENE-PH1 for the treatment of PH1 and
PBGENE-HBV for the treatment of chronic HBV.

In August 2021, we entered into a development and license agreement with iECURE, a mutation-agnostic in vivo gene editing company co-founded by
James M. Wilson, M.D., Ph.D. Under the iECURE Agreement, iECURE will advance our wholly owned PBGENE-PCSK9 candidate through preclinical
activities as well as a Phase 1 clinical trial in FH, with a CTA filing expected as early as the end of 2022. iECURE will also use our PCSK9-directed
ARCUS nuclease to develop gene-insertion therapies for four other pre-specified rare genetic diseases, including OTC deficiency, Citrullinemia Type 1,
PKU, and another program focused on liver disease. We received a partial equity stake in iECURE and are eligible to receive milestone and mid-single
digit to low double digit royalty payments on sales of iECURE products developed with ARCUS.

Pre-clinical research continues to progress for our wholly owned in vivo gene correction program applying ARCUS to knock out the HAO1 gene as a
potential one-time treatment for PH1. In September 2021, we presented NHP data showing on average, a 98.0% reduction in HAO1 mRNA and a 97.9%
reduction in the encoded protein after a single administration of an AAV vector encoding ARCUS. We have initiated IND-enabling activities and expect to
submit an IND/CTA in 2023 for PBGENE-PH1 delivered by LNP.

Our gene editing program for chronic HBV applies ARCUS to knock out persistent cccDNA and potentially reduce viral persistence. Previously reported
preclinical data has shown that ARCUS efficiently targeted and degraded HBV cccDNA in HBV-infected primary human hepatocytes and reduced
expression of HBsAg by as much as 95%. Similar levels of HBsAg reduction were observed in a newly developed mouse model of HBV infection
following administration of ARCUS mRNA using LNP delivery. We expect to submit an IND/CTA in 2024 for our HBV program.

Since our formation in 2006, we have devoted substantially all of our resources to developing ARCUS, conducting research and development activities,
recruiting skilled personnel, developing manufacturing processes, establishing our intellectual property portfolio and providing general and administrative
support for these operations. We have financed our operations primarily through proceeds from upfront and milestone payments from collaboration and
licensing agreements, our IPO, private placements of our convertible preferred stock and convertible debt financings, at-the-market offerings of common
stock, and borrowings on credit facilities.

Since our inception, we have incurred significant operating losses and have not generated any revenue from the sale of products. Our ability to generate any
product revenue or product revenue sufficient to achieve profitability will depend on the successful development and eventual commercialization of one or
more of our product candidates or the product candidates of our collaborators for which we may receive milestone payments or royalties. As of December
31, 2021, we had an accumulated deficit of $316.7 million.

We expect our operating expenses to increase substantially in connection with our ongoing CAR T clinical trials and the expansion of our in vivo product
development programs and capabilities. We will not generate revenue from product sales unless and until we successfully complete clinical development
and obtain regulatory approval for one of our product candidates or the product candidates of our collaborators for which we may receive milestone
payments or royalties. If we obtain regulatory approval for any of our

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product candidates, we expect to incur significant expenses related to developing our commercialization capability to support product sales, marketing and
distribution. In addition, we expect to continue to incur additional costs associated with operating as a public company.

As a result of these anticipated expenditures, we will need additional financing to support our continuing operations. Until such time as we can generate
significant revenue from product sales, if ever, we expect to finance our cash needs through a combination of public equity, debt financings or other
sources, which may include current and new collaborations with third parties. Adequate additional financing may not be available to us on acceptable
terms, or at all. Our inability to raise capital as and when needed would have a negative impact on our financial condition and our ability to pursue our
business strategy. We cannot assure you that we will ever generate significant revenue to achieve profitability.

Because of the numerous risks and uncertainties associated with the development of therapeutic products, we are unable to predict the timing or amount of
increased expenses or when or if we will be able to achieve or maintain profitability. Even if we are able to generate revenue from product sales, we may
not become profitable. If we fail to become profitable or are unable to sustain profitability on a continuing basis, then we may be required to raise
additional capital on terms that are unfavorable to us or we may be unable to continue our operations at planned levels and be forced to reduce or terminate
our operations.

Impact of the COVID-19 Pandemic

We are closely monitoring how the ongoing COVID-19 pandemic and variants thereof continues to affect our employees, business, preclinical studies and
clinical trials. The Company has taken steps in line with guidance from the U.S. Centers for Disease Control and Prevention (“CDC”) and the State of
North Carolina to protect the health and safety of its employees and the community. We have implemented measures to mitigate exposure risks and support
operations. We initiated a health and safety program addressing mandatory use of face masks, mandatory vaccinations, social distancing, sanitary
handwashing practices, use of personal protective equipment stations, stringent cleaning and sanitization of all facilities and measures to reduce total
occupancy in facilities. We have also implemented temperature and symptom screening procedures at each location, and we have continuously
communicated to all our Precisioneers that if they are not comfortable coming to work, regardless of role, then they do not have to do so.

We are working closely with our clinical sites, physician partners and the patient community to monitor and manage the impact of the COVID-19 pandemic
and variants thereof. We remain committed to our clinical programs and development plans, however, disruptions, competing resource demands and safety
concerns caused by the COVID-19 pandemic and variants thereof have caused, and are likely to continue to cause delays in our clinical trial site activation
and impact our ability to enroll patients. We may also experience other difficulties, disruptions or delays in conducting preclinical studies or initiating,
enrolling, conducting or completing our planned and ongoing clinical trials, and we may incur other unforeseen costs as a result. We expect that the
COVID-19 pandemic and variants thereof may continue to impact our business, including our preclinical studies and clinical trials. At this time, there is
still significant uncertainty relating to the trajectory of the COVID-19 pandemic and variants thereof and impact of related responses. The impact of the
COVID-19 pandemic and variants thereof on our preclinical studies and any further impact to our clinical trials will largely depend on future
developments, which are highly uncertain and cannot be predicted with confidence, such as the ultimate geographic spread of the disease, the duration of
the pandemic, travel restrictions and social distancing in the United States and other countries, business closures or business disruptions, the ultimate
impact of the COVID-19 pandemic and variants thereof on financial markets and the global economy, and the effectiveness of actions taken in the United
States and other countries to contain and treat the disease. The CARES Act was signed into law on March 27, 2020, which provides for, among other
things, the deferral of the deposit and payment of certain taxes. Pursuant to the CARES Act, we continue to elect to defer payment of the employer’s share
of social security taxes since May 1, 2020. See “Risk Factors— The ongoing novel coronavirus disease, COVID-19 has impacted, and may continue to
impact, our business, and any other pandemic, epidemic or outbreak of an infectious disease may materially and adversely impact our business, including
our preclinical studies and clinical trials.” In Part I. Item 1A. of this Annual Report on Form 10-K.

Collaborations

Eli Lilly and Company

In November 2020, we entered into the Development and License Agreement with Lilly to utilize ARCUS for the research and development of potential in
vivo therapies for genetic disorders. Lilly has initially nominated DMD and two gene targets for other genetic disorders, and has the right to nominate up to
three additional gene targets for genetic disorders over the Nomination Period. Lilly may extend the Nomination Period for an additional two years from
the date on which such initial Nomination Period ends, upon Lilly’s election and payment of an extension fee. Under the terms of the Development and
License Agreement, Lilly will receive an exclusive license to research, develop, manufacture and commercialize the resulting licensed products to
diagnose, prevent and treat any and all diseases by in vivo gene editing directed against the applicable gene target. The Development and License
Agreement provides that we will be responsible for conducting certain pre-clinical research and IND-enabling activities with respect to the gene targets
nominated by Lilly to be subject to the collaboration, including manufacture of initial clinical trial material for the first licensed

95

product. Lilly will be responsible for, and must use commercially reasonable efforts with respect to, conducting clinical development and
commercialization activities for licensed products resulting from the collaboration, and may engage us for additional clinical and/or initial commercial
manufacture of licensed products.

In January 2021, we and Lilly closed the Development and License Agreement following clearance under the Hart-Scott-Rodino Antitrust Improvements
Act of 1976, as amended (the “HSR Act”). In connection with the closing, we received an upfront cash payment of $100.0 million as well as $35.0 million
from Lilly’s purchase of 3,762,190 newly issued shares of our common stock pursuant to a stock purchase agreement as described below (the “Stock
Purchase Agreement”). We will also be eligible to receive milestone payments of up to an aggregate of $420.0 million per licensed product as well as
nomination fees for additional targets and certain research funding. If licensed products resulting from the collaboration are approved and sold, we will also
be entitled to receive tiered royalties ranging from the mid-single digit percentages to the low-teens percentages on world-wide net sales of the licensed
products, subject to customary potential reductions. Lilly’s obligation to pay royalties to us expires on a country-by-country and licensed product-by-
licensed product basis, upon the latest to occur of certain events related to expiration of patents, regulatory exclusivity or a period of ten years following
first commercial sale of the licensed product.

We have the right to elect to co-fund the clinical development of one licensed product, which may be selected from among the third or any subsequent
licensed products to reach IND or CTA filing. If we elect to co-fund such licensed product, we would reimburse Lilly for a portion of the clinical
development expenses for such product and, in exchange, each royalty tier with respect to net sales of such licensed product would be increased by a low
single digit percentage. During the term of the Development and License Agreement, we may not (and may not license or collaborate with any third party
to) research, develop, or commercialize any in vivo gene editing product directed against any gene targets that have been nominated and are subject to the
Development and License Agreement.

Unless earlier terminated, the Development and License Agreement will remain in effect on a licensed product-by-licensed product and country-by-country
basis until the expiration of a defined royalty term for each licensed product and country. Lilly has the right to terminate the Development and License
Agreement for convenience by providing advance notice to us. Either party may terminate the Development and License Agreement (i) for material breach
by the other party and a failure to cure such breach within the time period specified in the agreement or (ii) due to a challenge to its patents brought by the
other party.

During the twelve months ended December 31, 2021 we recognized revenue under the agreement with Lilly of approximately $21.0 million. We did not
recognize any revenue under the agreement with Lilly in 2020. Deferred revenue related to the agreement with Lilly amounted to $88.3 million as of
December 31, 2021, of which $21.2 million was included in current liabilities. No deferred revenue related to the Lilly Agreement was recorded as of
December 31, 2020.

iECURE

In August 2021, we entered into the iECURE Agreement, under which iECURE plans to advance our PBGENE-PCSK9 candidate through preclinical
activities as well as a Phase 1 clinical trial as partial consideration for a license to our PCSK9-directed ARCUS nuclease to develop gene-insertion
therapies for four other rare genetic diseases, including OTC deficiency, Citrullinemia Type 1, PKU, and another program focused on liver disease.

Pursuant to the iECURE Agreement, we retain the rights to PBGENE-PCSK9, including all products developed for indications with increased risk of
severe cardiovascular events such as FH. Simultaneously with the entry into the iECURE Agreement, we entered into an Equity Issuance Agreement with
iECURE, pursuant to which iECURE granted us partial equity ownership in iECURE as partial consideration for the license to use its PCSK9-directed
ARCUS nuclease. We concluded that the iECURE Equity Issuance Agreement is to be combined with the iECURE Agreement (together, the “iECURE
Agreements”) for accounting purposes. Additionally, we are eligible to receive milestone and mid-single digit to low double digit royalty payments on sales
of iECURE products developed with ARCUS.

We assessed the iECURE Agreements in accordance with ASC 606, Revenue from Contracts with Customers (“ASC 606”) and concluded that the promises
in the iECURE Agreements represent a transaction with a customer. Further, we concluded that the iECURE Agreements contain the following promises:
(i) the PCSK9 license and (ii) JSC Participation. The JSC participation was determined to be an immaterial promise as the time commitment and related
cost associated with performance of JSC participation is expected to be inconsequential to the total consideration in the contract. Accordingly, we
concluded that the promise of the PCSK9 license is the sole performance obligation in the iECURE Agreements.

The fair value of the iECURE equity and the estimated fair value of the costs to be incurred by iECURE to progress our PBGENE-PCSK9 candidate
through preclinical activities as well as a Phase 1 clinical trial were concluded to be non-cash consideration, and as such were included in the transaction
price of the iECURE Agreements. We concluded the PCSK9 license represents functional intellectual property in accordance with ASC 606 given we will
not be providing any additional services to iECURE outside of the right to use the PCSK9 license. Therefore, the fair value of the iECURE equity and the
fair value of the costs to be incurred by

96

iECURE to progress our PBGENE-PCSK9 candidate through a Phase 1 clinical trial was recognized at the inception of the iECURE Agreements.

The fair value of the iECURE equity at inception of the iECURE agreements was assessed to be $0.5 million and was initially recorded to the investment in
equity securities line item of the consolidated balance sheets. As further discussed in Note 12 to the consolidated financial statements, “Fair Value
Measurements”, on issuance, we elected to account for the iECURE equity at fair value under ASC 825, Financial Instruments (“ASC 825”). Accordingly,
we adjust the carrying value of the iECURE equity to fair value each reporting period with any changes in fair value recorded to other income (expense).
The fair value of the costs to be incurred by iECURE to progress our PBGENE-PCSK9 candidate through a Phase 1 clinical trial was assessed to be $17.4
million and was recorded to the prepaid expenses and other assets line items of the consolidated balance sheets. The PCSK9 Prepaid will be amortized to
research and development expense on a pro-rata basis as iECURE incurs costs to progress our PBGENE-PCSK9 candidate through a Phase 1 clinical trial.

During the year ended December 31, 2021, we recognized revenue under the iECURE agreements of $17.9 million and $4.4 million of research and
development expense related to amortization of the PCSK9 Prepaid. As of December 31, 2021, the remaining balance of the PCSK9 Prepaid was $13.0
million, which is included in the prepaid expenses and other assets line items of the consolidated balance sheets in the amounts of $10.4 million and $2.6
million, respectively.

Servier

On April 9, 2021, we entered into the Program Purchase Agreement with Servier, pursuant to which we reacquired all of our global development and
commercialization rights previously granted to Servier pursuant to the Servier Agreement, and mutually terminated the Servier Agreement.  

Pursuant to the Servier Agreement, we had developed certain allogeneic CAR T candidates, including PBCAR0191 and the stealth cell PBCAR19B, each
targeting CD19, as well as four additional product targets.  Pursuant to the Program Purchase Agreement, we regained full global rights to research,
develop, manufacture and commercialize products resulting from such programs, with sole control over all activities. Additionally, per the terms of the
Program Purchase Agreement we do not have an obligation to continue development of the Servier Targets. With respect to products directed to CD19,
Servier has certain rights of negotiation, which may be exercised during a specified time period if we elect to initiate a process or entertain third party
offers for partnering such products.

Pursuant to the terms of the Program Purchase Agreement, we made a payment of $1.25 million in cash to Servier and agreed to waive earned milestones
totaling $18.75 million that would have been otherwise payable to us. The $1.25 million cash payment to Servier is classified as research and development
expense in the consolidated statement of operations for the year ended December 31, 2021. The waiver of earned milestones resulted in a $18.75 million
reduction in accounts receivable and deferred revenue.

The Program Purchase Agreement also requires us to make certain payments to Servier based on the achievement of regulatory and commercial milestones
for each product, and a low- to mid-single-digit percentage royalty (subject to certain reductions) based on net sales of approved products, if any, resulting
from any continued development and commercialization of the programs by us, for a period not to exceed ten years after first commercial sale of the
applicable product in the United States or certain countries in Europe. If we enter into specified product partnering transactions, the Program Purchase
Agreement requires us to pay to Servier a portion of certain consideration received pursuant to such product partnering transactions in lieu of the foregoing
milestones (with the exception of a one-time clinical phase development milestone) and royalties. For additional discussion of accounting for payment
obligations arising from the Program Purchase Agreement, refer to Note 7, “Commitments and Contingencies,” in the consolidated financial statements.

Upon the closing of the Program Purchase Agreement, management concluded that the combined performance obligation associated with the Servier
Agreement was fully satisfied as we are no longer required to perform research and development work on the Servier targets and we regained all of our
global development and commercialization rights previously granted to under the Servier Agreement. Accordingly, all remaining deferred revenue related
to the Servier agreement was recognized as revenue in the year ended December 31, 2021.

Under the Servier Agreement, we recognized $72.9 million and $18.0 million in revenue during the years ended December 31, 2021 and December 31,
2020, respectively. No deferred revenue related to the Server Agreement was recorded as of December 31, 2021, while deferred revenue as of
December 31, 2020 amounted to $82.9 million.

Gilead

In July 2020, Gilead notified us of its termination of the Gilead Agreement, to develop genome editing tools using ARCUS to target viral DNA associated
with HBV. Pursuant to the termination notice, the Gilead Agreement terminated on September 4, 2020. Upon

97

termination, we regained full rights and all data we generated for the in vivo chronic HBV program developed under the Gilead Agreement.

During the years ended December 31, 2021 and 2020, we recognized no revenue and approximately $3.9 million of revenue under the Gilead Agreement,
respectively. The Company did not have deferred revenue related to the Gilead Agreement as of December 31, 2021 or December 31, 2020. No
development or sales-based milestone payments were received under the Gilead Agreement.

Tiziana

In September 2021, we entered into an exclusive license agreement to evaluate Tiziana’s foralumab, a fully human anti-CD3 mAb, as a lymphodepleting
agent in conjunction with our allogeneic CAR T cells for the potential treatment of cancers. We will investigate foralumab first in combination with an anti-
CD19 CAR T and plan an IND update in 2022 to enable combination use.

SpringWorks Therapeutics

In September 2020, we entered into a Clinical Trial Collaboration Agreement with SpringWorks. Pursuant to such agreement, PBCAR269A will be
evaluated in combination with nirogacestat, SpringWorks’ investigational GSI, in patients with R/R multiple myeloma. Under the terms of the agreement,
we will bear all costs with the conduct of the clinical trial including providing PBCAR269A for use in the trial, and SpringWorks is responsible for
providing nirogacestat at its sole cost and expense. The first patient was dosed in the combination arm in June 2021.

Trustees of the University of Pennsylvania

In January 2018, we entered into a research, collaboration and license agreement with Penn to collaborate on the preclinical development for gene editing
products involving the delivery of an ARCUS nuclease. In April 2020, both parties agreed to coordinate a wind-down of all activities in their entirety under
the agreement, effective as of June 2020, however, in August 2020 and subsequently in January 2021, both parties agreed to extend certain portions of the
agreement through 2022. We will not be required to make termination payments to Penn.

Components of Our Results of Operations

Revenue

To date, we have not generated any revenue from product sales and do not expect to generate any revenue from product sales in the foreseeable future. We
record revenue from collaboration agreements, including amounts related to upfront payments, milestone payments, annual fees for licenses of our
intellectual property and research and development funding.

Research and Development Expenses

Research and development expenses consist primarily of costs incurred for our research activities, including our discovery efforts and the development of
our product candidates. These include the following:

•

•

•

•

•

•

•

salaries, benefits and other related costs, including share-based compensation expense, for personnel engaged in research and development
functions;

expenses incurred under agreements with third parties, including CROs and other third parties that conduct preclinical research and development
activities and clinical trials on our behalf;

costs of developing and scaling our manufacturing process and manufacturing drug products for use in our preclinical studies and ongoing and
future clinical trials, including the costs of CMOs, and our MCAT facility that will manufacture our clinical trial material for use in our
preclinical studies and ongoing and potential future clinical trials;

costs of outside consultants, including their fees and related travel expenses;

costs of laboratory supplies and acquiring, developing and manufacturing preclinical study and clinical trial materials;

license payments made for intellectual property used in research and development activities; and

facility-related expenses, which include direct depreciation costs and expenses for rent and maintenance of facilities and other operating costs if
specifically identifiable to research activities.

We expense research and development costs as incurred. We track external research and development costs, including the costs of laboratory supplies and
services, outsourced research and development, clinical trials, contract manufacturing, laboratory equipment

98

 
 
 
 
 
 
 
and maintenance and certain other development costs, by product candidate when the program IND application is accepted by the FDA. Internal and
external costs associated with infrastructure resources, other research and development costs, facility related costs and depreciation and amortization that
are not identifiable to a specific product candidate are included in the platform development and early-stage research expenses category. 

Research and development activities are central to our business model. We expect that our research and development expenses will continue to increase
substantially for the foreseeable future and will comprise a larger percentage of our total expenses as we continue our clinical trials for our ex vivo
allogeneic CAR T immunotherapies and development of our in vivo therapies for genetic and infectious diseases. These expected increases in research and
development expenses related to development of human therapeutic product candidates are expected to be partially offset by reductions in research and
development expenses related to food and agricultural product candidates as we completed the Elo transaction in 2021 and will no longer be contributing
capital towards the development of food and agricultural product candidates.

We cannot determine with certainty the duration and costs of ongoing and future clinical trials of our CD19, CD19B, and BCMA product candidates, or
any other product candidate we may develop or if, when or to what extent we will generate revenue from the commercialization and sale of any product
candidate for which we obtain marketing approval. We may never succeed in obtaining marketing approval for any product candidate. The duration, costs
and timing of clinical trials and development of our CD19, CD19B, and BCMA product candidates, and any other our product candidate we may develop
will depend on a variety of factors, including:

•

•

•

•

•

•

•

the scope, rate of progress, expense and results of clinical trials of our CD19, CD19B and BCMA product candidates, as well as of any future
clinical trials of other product candidates and other research and development activities that we may conduct;

increased costs of additional clinical sites to address slowed enrollment due to the impact of the COVID-19 pandemic and variants thereof or any
similar pandemic;

uncertainties in clinical trial design and patient enrollment rates;

the actual probability of success for our product candidates, including their safety and efficacy, early clinical data, competition, manufacturing
capability and commercial viability;

significant and changing government regulation and regulatory guidance;

the timing and receipt of any marketing approvals; and

the expense of filing, prosecuting, defending and enforcing any patent claims and other intellectual property rights

A change in the outcome of any of these variables with respect to the development of a product candidate could mean a significant change in the costs and
timing associated with the development of that product candidate. For example, if the FDA or another regulatory authority were to require us to conduct
clinical trials beyond those that we anticipate will be required for the completion of clinical development of a product candidate, or if we experience
significant delays in our clinical trials due to slower than expected patient enrollment or other reasons, we would be required to expend significant
additional financial resources and time on the completion of clinical development.

General and Administrative Expenses

General and administrative expenses consist primarily of salaries and other related costs, including share-based compensation, for personnel in our
executive, finance, business development, operations and administrative functions. General and administrative expenses also include legal fees relating to
intellectual property and corporate matters; professional fees for accounting, auditing, tax and consulting services; insurance costs; travel expenses; and
facility-related expenses, which include direct depreciation costs and expenses for rent and maintenance of facilities and other operating costs that are not
specifically attributable to research activities.

We expect that our general and administrative expenses will increase in the future to meet our growing infrastructure needs.

Change in Fair Value of Equity Investment

On issuance, we elected to account for the iECURE equity at fair value under ASC 825. Accordingly, the Change in fair value of equity investment
represents the change in fair value of the iECURE equity investment between reporting periods.

99

 
 
 
 
 
 
 
Gain on Deconsolidation of Subsidiary

The gain on deconsolidation of subsidiary was determined based on the difference between the book value of the net assets that we contributed to New Elo
as part of the Elo Transaction as well as the fair value of the Promissory Note we received from New Elo and the fair value of our ownership in New Elo as
of December 17, 2021.

Income from Equity Method Investments

Income from equity method investments represents our proportionate share of New Elo’s net income. 

Interest Income

Interest income consists of interest income earned on our cash and cash equivalents and Note Receivable.

Income Taxes

Since our inception in 2006, we have generated cumulative federal and state NOL and R&D credit carryforwards for which we have not recorded any net
tax benefit due to the uncertainty around utilizing these tax attributes within their respective carryforward periods. As of December 31, 2021, we had
federal, state, and foreign NOL carryforwards of $181.0 million, $122.2 million, and $0.4 million, respectively, which may be available to offset future
taxable income. A portion of the U.S. federal NOL carryforwards in the amount of $19.7 million will begin to expire in 2030 while the remaining federal
NOL carryforwards of $161.2 million carry forward indefinitely. The state NOL carryforwards begin to expire in 2025. The foreign NOLs carryforward
indefinitely. As of December 31, 2021, we also had federal R&D tax credit carryforwards of $11.4 million, which begin to expire in 2027, and an amount
less than $0.1 million, which begin to expire in 2030. As of December 31, 2021 and December 31, 2020, we had federal Orphan Drug credits of $9.5
million and $6.0 million, respectively, which begin to expire in 2038. As of December 31, 2021, we also have federal contribution carryforwards of $0.2
million, which begin to expire in 2022. We have recorded a full valuation allowance against our net deferred tax assets at each balance sheet date.

Results of Operations

Comparison of the Years Ended December 31, 2021 and December 31, 2020

The following table summarizes our results of operations for the years ended December 31, 2021 and December 31, 2020, together with the changes in
those items in dollars:

(in thousands)
Revenue
Operating expenses:

Research and development
General and administrative
Total operating expenses

Loss from operations
Other income (expense), net:

Gain on changes in fair value
Gain on deconsolidation of subsidiary
Income from equity method investments
Interest expense
Interest income
Total other income (expense), net

Net loss

Revenue

Years ended December 31,

2021

2020

Change

  $

115,529    $

24,285    $

91,244 

115,238   
39,693   
154,931   
(39,402)  

2,555   
5,985   
184   
(132)  
208   
8,800   
(30,602)   $

98,061   
36,052   
134,113   
(109,828)  

—   
—   
—   
—   
822   
822   

(109,006)   $

17,177 
3,641 
20,818 
70,426 

2,555 
5,985 
184 
(132)
(614)
7,978 
78,404

  $

Revenue for the year ended December 31, 2021 was $115.5 million, compared to $24.3 million for the year ended December 31, 2020. The increase of
$91.2 million in revenue during the year ended December 31, 2021 was the result of a $54.8 million increase in revenue recognized under the Servier
Agreement as the performance obligation was deemed fully satisfied upon the execution of the Program Purchase Agreement, a $21.0 million increase in
revenue recognized under the Lilly Agreement as work began in 2021, a

100

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
$17.9 million increase in revenue recognized under the iECURE Agreement as the iECURE Agreement was executed in 2021, and a $2.9 million increase
in revenue recognized from an agricultural partnering collaboration. These increases in revenue were partially offset by a $3.9 million decrease in revenue
recognized from Gilead due to the termination of the Gilead Agreement in 2020 and a $1.5 million decrease in milestone revenue recognized from an
agriculture industry collaboration partner.

Research and Development Expenses

(in thousands)
Direct research and development expenses by product candidate:

CD19 external development costs
CD20 external development costs
BCMA external development costs
CD19B external development costs

Platform development and early-stage research expenses:

Employee-related costs
Program Purchase Agreement costs and contract liability
Amortization of PCSK9 Prepaid
Laboratory supplies and services
Sublicensing royalty payable to Duke
Outsourced research and development
CMOs and research organizations
Laboratory equipment and maintenance
Facility-related costs
Depreciation and amortization
Licensing fees
Other research and development costs
Total research and development expenses

Years ended December 31,

2021

2020

Change

  $

  $

8,486    $
3,666   
3,337   
2,948   

41,620   
11,250   
4,421   
14,529   
1,111   
2,336   
5,347   
2,065   
3,562   
7,574   
2,585   
401   
115,238    $

8,586    $
6,660   
3,144   
—   

37,301   
—   
—   
12,225   
—   
7,514   
7,730   
1,412   
3,354   
7,441   
2,415   
279   
98,061    $

(100)
(2,994)
193 
2,948 

4,319 
11,250 
4,421 
2,304 
1,111 
(5,178)
(2,383)
653 
208 
133 
170 
122 
17,177

Research and development expenses for the year ended December 31, 2021 were $115.2 million, compared to $98.1 million for the year ended
December 31, 2020. The increase of $17.1 million was primarily due to a $17.1 million increase in platform development and early-stage research
expenses, a $2.9 million increase in external development costs for our CD19B program as the CD19B Phase 1 clinical trial commenced in June 2021, and
a $0.2 million increase in external development costs for our BCMA program, partially offset by decreases of $3.0 million in CD20 external development
costs as development of PBCAR20A has been discontinued, and a $0.1 million decrease in CD19 external development costs.

Platform development and early-stage research expenses increased primarily due to a $11.3 million increase in expenses related to the Program Purchase
Agreement in which a $10.0 million financial contract liability was accrued as it was deemed probable to occur and the $1.3 million cash payment to
Servier, $4.4 million in expense related to amortization of the iECURE PCSK9 prepaid as a result of costs incurred by iECURE in the year ended
December 31, 2021 to progress the Company’s PBGENE-PCSK9 candidate through a Phase 1 clinical trial, a $4.3 million increase in employee-related
expense associated with increased wages and share-based compensation expense, a $3.0 million increase in laboratory-related expenses, a $1.1 million
sublicensing royalty payable to Duke on the Lilly upfront payment received. These increases in platform development and early-stage research expenses
were partially offset by a $5.2 million decrease in outsourced research and development expense, and a $2.4 million decrease in CMO and research
organization expense as costs associated with our CD19B program were allocated directly to the program beginning in 2021.

General and Administrative Expenses

General and administrative expenses were $39.7 million for the year ended December 31, 2021 compared to $36.1 million for the year ended December 31,
2020. The increase of $3.6 million was primarily due to an increase of $3.9 million in employee-related expense associated with increased wages, share-
based compensation, and recruiting costs for key management personnel, a $0.6 million increase in information technology expenses, and a $0.5 million
increase in insurance expense, partially offset by a $1.5 million decrease in legal fees.

Gain on Changes in Fair Value

The gain on changes in fair value was $2.6 million for the year ended December 31, 2021. The change in fair value is primarily attributed to an increase in
the assessed fair value of our equity investment in iECURE from issuance in August 2021 to December 31, 2021. No change in fair value was recorded in
the year ended December 30, 2020 as we did not account for any assets or liabilities at fair value in the consolidated balance sheets in the year ended
December 31, 2020.

101

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Gain on Deconsolidation of Subsidiary

The Gain on Deconsolidation of Subsidiary was $6.0 million for the year ended December 31, 2021 and represents the difference between the book value
of the net assets that we contributed to New Elo as part of the Elo Transaction and the sum of the fair value of the Promissory Note we received from New
Elo and the fair value of our Ownership in New Elo as of December 17, 2021. There was no gain on deconsolidation in the year ended December 31, 2020
as the Elo Transaction occurred in December 2021, and there were no such transactions that occurred in the year ended December 31, 2020.

Income from Equity Method Investments

Income from equity method investments was $0.2 million and represents our proportionate share of New Elo’s net income from December 18, 2021
through December 31, 2021. We did not have any equity method investments in the year ended December 31, 2020.

Interest Expense

Interest expense was $0.1 million for the year ended December 31, 2021 consists of interest payments and debt discount amortization on debt outstanding
during the year ended December 31, 2021. No interest expense was incurred during the year ended December 31, 2020.

Interest Income

Interest income was $0.2 million for the year ended December 31, 2021 compared to $0.8 million for the year ended December 31, 2020. The decrease of
$0.6 million of interest income generated on our cash and cash equivalent balances was the result of lower interest rates in the year ended December 31,
2021, compared to the year ended December 31, 2020, partially offset by interest income earned on the Note Receivable that was issued in the year ended
December 31, 2021.

Segment Results

The following tables summarize segment revenues and segment operating loss (see Note 14, “Segment Reporting,” to our consolidated financial statements
included elsewhere in this Annual Report on Form 10-K for additional information regarding our segments):

(in thousands)
Revenue:
Therapeutics
Food

Total segment revenue
Segment operational cash expenditures:
Therapeutics
Food

Total segment operational cash expenditures

Segment operating income (loss):
Therapeutics
Food

Total segment operating income (loss)

For the Years Ended December 31,
2020
2021

  $

  $

  $

  $

111,723    $
3,806   
115,529   

79,746    $
7,635   
87,381   

31,977    $
(3,829)  
28,148    $

21,863 
2,422 
24,285 

71,841 
7,587 
79,428 

(49,978)
(5,165)
(55,143)

Prior to the Elo Transaction on December 17, 2021, we evaluated the operating performance of our Therapeutics and Food segments based on segment
operating income (loss). Segment operating income (loss) is derived by deducting operational cash expenditures, net, from GAAP revenue. Operational
cash expenditures are cash disbursements made that are specifically identifiable to the reportable segment (including specifically identifiable research and
development and property, equipment and software expenditures). The reportable segment operational cash expenditures include cash disbursements for
compensation, laboratory supplies, purchases of property, equipment and software and procuring services from CROs, CMOs and research organizations.
We did not allocate general operational expenses or non-cash income statement amounts to our reportable segments.

102

 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
    
 
  
 
 
 
Therapeutics Segment

Revenue for the year ended December 31, 2021 was $111.7 million, compared to $21.9 million for the year ended December 31, 2020. The increase of
$89.8 million was the result of a $54.8 million increase in revenue recognized under the Servier Agreement as the performance obligation was deemed
fully satisfied upon the execution of the Program Purchase Agreement, a $21.0 million increase in revenue recognized under the Lilly Agreement as work
began in 2021, and a $17.9 million increase in revenue recognized under the iECURE Agreement as the iECURE Agreement was executed in 2021. These
increases in revenue were partially offset by a $3.9 million decrease in revenue recognized from Gilead due to the termination of the Gilead Agreement in
2020.

Segment operational cash expenditures were $79.7 million for the year ended December 31, 2021, compared to $71.8 million for the year ended
December 31, 2020. The increase of $7.9 million in operational cash expenditures was primarily due to an increase in employee-related costs, payments
under the Duke License, and the payment made to Servier in connection with the Program Purchase Agreement. These were partially offset by a decrease
in capital expenditures for fixed assets and a reduction in payments to external vendors for early-stage research. Segment operating profit increased $82.0
million from a $50.0 million operating loss for the year ended December 31, 2020 to a $32.0 million operating profit for the year ended December 31, 2021
primarily due to the factors discussed above.

Food Segment

Revenue for the year ended December 31, 2021 was $3.8 million, compared to $2.4 million for the year ended December 31, 2020. The increase of $1.4
million was the result of a $2.9 million increase in revenue recognized from an agricultural partnering collaboration partially offset by a $1.5 million
decrease in milestone revenue recognized from an agriculture industry collaboration partner.

Segment operational cash expenditures were $7.6 million for the years ended December 31, 2021 and December 31, 2020. Segment operating loss
decreased $1.4 million from $5.2 million for the year ended December 31, 2020 to $3.8 million for the year ended December 31, 2021 primarily due to the
factors discussed above.

Due to the completion of the Elo Transaction in December 2021, we no longer expect to generate revenue or incur cash expenditures related to the
development of food and agricultural product candidates.

Liquidity and Capital Resources

Since our inception, we have incurred significant operating losses. We expect to incur significant expenses and operating losses for the foreseeable future as
we advance the preclinical and clinical development of our product candidates. We expect that our research and development and general and
administrative costs will continue to increase, including in connection with conducting preclinical studies and clinical trials for our product candidates,
contracting with CROs and CMOs, the addition of laboratory equipment to MCAT in support of preclinical studies and clinical trials, expanding our
intellectual property portfolio and providing general and administrative support for our operations. As a result, we will need additional capital to fund our
operations, which we may obtain from additional equity or debt financings, collaborations, licensing arrangements or other sources.

There are no assurances that we will be successful in obtaining an adequate level of financing as and when needed to finance our operations on terms
acceptable to us or at all, particularly in light of the economic downturn and ongoing uncertainty related to the COVID-19 pandemic and variants thereof. If
we are unable to secure adequate additional funding as and when needed, we may have to significantly delay, scale back or discontinue the development
and commercialization of one or more product candidates. In addition, the magnitude and duration of the COVID-19 pandemic and variants thereof and its
impact on our liquidity and future funding requirements remains uncertain as of the filing date of this Annual Report on Form 10-K, as the pandemic
continues to evolve globally. See “Impact of the COVID-19 Pandemic” above and “Risk Factors— The ongoing novel coronavirus disease, COVID-19 has
impacted, and may continue to impact, our business, and any other pandemic, epidemic or outbreak of an infectious disease may materially and adversely
impact our business, including our preclinical studies and clinical trials” in Part I. Item 1A. of this Annual Report on Form 10-K for a further discussion
of the potential impact of the COVID-19 pandemic and its variants on our business.

We do not currently have any approved products and have never generated any revenue from product sales. Through the date of filing this Annual Report
on Form 10-K, we have financed our operations primarily through proceeds from upfront and milestone payments from collaboration and licensing
agreements, our IPO, private placements of our convertible preferred stock and convertible debt financings, at-the-market offerings of common stock, and
borrowings on credit facilities.

As of December 31, 2021, we had raised approximately $659.4 million of proceeds from third parties through a combination of financings including our
IPO, preferred stock and convertible note financings, at-the-market offerings of common stock as part of our shelf registration statement, upfront and
milestone payments from customers, and funding from other strategic alliances and grants.

103

We also currently have an effective shelf registration statement on Form S-3 (No. 333-238857) filed with the SEC on June 1, 2020 (the “Form S-3”) under
which we may offer from time to time in one or more offerings any combination of common and preferred stock, debt securities, warrants and units of up to
$200.0 million in the aggregate. As of December 31, 2021, we had sold 2,322,676 shares of our common stock in at-the-market offerings as part of our
shelf registration statement, resulting in net proceeds of $25.5 million, after deducting agent commissions and issuance costs.

Cash Flows

Our cash and cash equivalents totaled $143.7 million as of December 31, 2021, compared to $89.8 million as of December 31, 2020.

The following table summarizes our sources and uses of cash for the periods presented:

(in thousands)
Net cash used in operating activities
Net cash used in investing activities
Net cash provided by financing activities
Increase (decrease) in cash and cash equivalents

Cash Used in Operating Activities

For the Years Ended December 31,
2020
2021

  $

  $

(10,853)   $
(5,803)  
70,521   
53,865    $

(87,386)
(5,031)
1,329 
(91,088)

Our primary use of cash is to fund operating expenses, which consist primarily of research and development and general and administrative expenses. Our
losses have resulted from expenses incurred in connection with our research and development activities, including our clinical programs, preclinical
development activities, and general and administrative costs associated with our operations. The use of cash in operating activities during the years ended
December 31, 2021 and December 31, 2020 resulted from our net loss adjusted for non-cash items and changes in working capital.

Cash used in operating activities during the year ended December 31, 2021 was $10.9 million, compared to $87.4 million during the year ended
December 31, 2020. The decrease in cash used in operating activities in the year ended December 31, 2021 was primarily driven by the $100.0 million
upfront payment received from Lilly in January 2021, partially offset by increases in employee-related costs.

Cash Used in Investing Activities

Cash used in investing activities primarily relates to cash expenditures to acquire leasehold additions, equipment, software, and intangible assets. Net cash
used in investing activities during the year ended December 31, 2021 was $5.8 million, compared to $5 million in the year ended December 31, 2020. The
increase in cash used in investing activities during the year ended December 31, 2021 was primarily driven by a $0.8 million cash expenditure for the
license to evaluate Tiziana’s foralumab as a lymphodepletion agent in conjunction with our allogeneic CAR T therapeutics, which was capitalized as an
intangible asset.

Cash Provided by Financing Activities

Net cash provided by financing activities during the year ended December 31, 2021 was $70.5 million, compared to $1.3 million during the year ended
December 31, 2020. The higher cash provided by financing activities during the year ended December 31, 2021, compared to the year ended December 31,
2020, was primarily due to the $35.0 million in proceeds received under the Stock Purchase Agreement with Lilly, $25.5 million in net proceeds received
from sales of our common stock under our shelf registration statement, a $6.1 million increase in proceeds from stock option exercises and $2.5 million in
net proceeds received from borrowings on our revolving credit facility.

Debt Obligations

On May 19, 2021, Elo entered into a loan and security agreement with PWB for a term loan (the “Elo Loan”) in the amount of $2.5 million. On December
14, 2021, the Company repaid all outstanding principal and interest on the Elo Loan with proceeds from the Revolving Line.

We may request advances on the Revolving Line up to an aggregate principal of $30.0 million. The Revolving Line matures and all outstanding principal
amounts are due on June 23, 2023. The Company must also maintain an aggregate balance of unrestricted cash at PWB (not including amounts in certain
specified accounts) equal to or greater than $10.0 million. The interest rate on Revolving

104

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Line borrowings is a variable annual rate equal to the greater of (a) 2.75% above the Prime Rate (as defined in the Revolving Line), or (b) 6.00%. As of
December 31, 2021, the outstanding principal balance on the Revolving Line was $2.5 million.

Funding Requirements

Our operating expenses increased substantially in 2021 and are expected to continue to increase in the short term in connection with the continuation of our
current clinical trials and in the long term with planned initiation of additional clinical trials, expected IND and CTA filings, potential BLA filings and
expected growth in our ex vivo and in vivo portfolios.

We believe that, as of the date of this Annual Report on Form 10-K, existing cash and cash equivalents, expected operational receipts and available credit
will allow us to fund our operating expense and capital expenditure requirements into mid-2023. We have based these estimates on assumptions that may
prove to be imprecise, and we could utilize our available capital resources sooner than we expect. Because of the numerous risks and uncertainties
associated with research, development and commercialization of pharmaceutical products, it is difficult to estimate with certainty the amount of our
working capital requirements. Our future funding requirements will depend on many factors, including:

•

•

•

•

•

•

•

•

•

the progress, costs and results of our clinical development for our CD19, CD19B, and BCMA programs as we progress clinical trials, including
CRO costs;

the progress, costs and results of our additional research and preclinical development programs including our in vivo pipeline and our planned
IND or CTA submissions;

the outcome, timing and cost of meeting regulatory requirements established by the FDA and other comparable foreign regulatory authorities;

the costs and timing of internal process development and manufacturing scale-up activities and contract with CMOs associated with our CD19,
CD19B, and BCMA programs and other programs we advance through preclinical and clinical development;

our ability to establish and maintain strategic collaborations, licensing or other agreements and the financial terms of such agreements;

the scope, progress, results and costs of any product candidates that we may derive from ARCUS or any other product candidates we may
develop alone or with collaborators;

the extent to which we in-license or acquire rights to other products, product candidates or technologies;

the costs and timing of preparing, filing and prosecuting patent applications, maintaining and protecting our intellectual property rights and
defending against any intellectual property-related claims; and

the costs and timing of future commercialization activities, including product manufacturing, marketing, sales and distribution, for any product
candidates for which we or our collaborators obtain marketing approval.

Until such time, if ever, that we can generate product revenue sufficient to achieve profitability, we expect to finance our cash needs through a combination
of public or private equity or debt financings, collaboration agreements, other third‑party funding, strategic alliances, licensing arrangements and marketing
and/or distribution arrangements. See “Risk Factors – We will need substantial additional funding, and if we are unable to raise a sufficient amount of
capital when needed on acceptable terms, or at all, we may be forced to delay, reduce or eliminate some or all of our research programs, product
development activities and commercialization efforts.” in Part I, Item 1A. of this Annual Report on Form 10-K for a further discussion of our ability to
generate and obtain adequate amounts of funding in connection with our continuing operations.

To the extent that we raise additional capital through the sale of equity or convertible debt securities, shareholders’ ownership interest will be diluted, and
the terms of these securities may include liquidation or other preferences that adversely affect the rights of our shareholders. Debt financing and preferred
equity financing, if available, may involve agreements that include covenants limiting or restricting our ability to take specific actions, such as incurring
additional debt, making capital expenditures or declaring dividends. If we raise additional funds through other third-party funding, collaboration
agreements, strategic alliances, licensing arrangements or marketing and distribution arrangements, we may have to relinquish valuable rights to our
technologies, future revenue streams, product development and research programs or product candidates or grant licenses on terms that may not be
favorable to us. If we are unable to raise additional funds through equity or debt financings when needed, we may be required to delay, limit, reduce or
terminate our product development or future commercialization efforts or grant rights to develop and market products or product candidates that we would
otherwise prefer to develop and market ourselves.

105

 
 
 
 
 
 
 
 
 
Contractual Obligations

The following is a summary of our contractual obligations and commitments as of December 31, 2021:

(in thousands)

Lease Obligations(1)
Revolving Line of Credit(2)
Total

Total

Less Than
1 Year

1-3 Years

3-5 Years

More than
5 Years

  $

  $

10,563    $
2,727   
13,290    $

2,743    $
150   
2,893    $

4,929    $
2,577   
7,506    $

2,148    $
-   
2,148    $

743 
- 
743

Payments Due by Period

(1) Represents future minimum lease payments under our leases for office and/or lab space at the following locations: 302 East Pettigrew Street, Durham,
North Carolina expiring in July 2024, and 20 TW Alexander Drive, Research Triangle Park, North Carolina expiring in August 2027.  The lease
obligations amounts above also represent future minimum lease payments on the MCAT Expansion Space as we are contractually obligated to make
such payments on the MCAT Expansion Space notwithstanding that the lease commencement date for accounting purposes was not reached as of
December 31, 2021 (see Note 7, “Commitments and Contingencies,” to our consolidated financial statements included elsewhere in this Annual
Report on Form 10-K for additional information on our lease agreements).

(2) Represents principal and estimated interest payments on our $2.5 million in outstanding Revolving Line borrowings as of December 31, 2021. Under

the Revolving Line we may request advances up to an aggregate principal of $30.0 million. The revolving line matures on June 23, 2023 and bears
interest at a variable annual rate equal to the greater of (a) 2.75% above the Prime Rate (as defined in the Original Agreement), and (b) 6.00%. As of
December 31, 2021, the stated interest rate on the Revolving line was 6.0% and the effective interest rate was 6.8%. If the Revolving Line is
terminated prior to the maturity date, we are required to pay an early termination fee equal to $0.6 million. Upon maturity or termination of the
revolving line, we are required to pay an amount equal to 1% of the maximum principal amount of the advances outstanding at any time.

We also enter into contracts in the normal course of business with CROs, CMOs, universities and other third parties for preclinical research studies, clinical
trials and testing and manufacturing services. These contracts do not contain minimum purchase commitments and are cancelable by us upon prior written
notice. Payments due upon cancellation consist only of payments for services provided or expenses incurred, including non-cancelable obligations of our
service providers, up to the date of cancellation. These payments are not included in the table above as the amount and timing of such payments are not
known.

Critical Accounting Policies and Use of Estimates

Our management’s discussion and analysis of financial condition and results of operations is based on our consolidated financial statements, which have
been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”). The preparation of our consolidated financial
statements and related disclosures requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities, costs and
expenses and the disclosure of contingent assets and liabilities in our consolidated financial statements. We base our estimates on historical experience,
known trends and events and various other factors that we believe are reasonable under the circumstances, the results of which form the basis for making
judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. We evaluate our estimates and assumptions on
an ongoing basis. Our actual results may differ from these estimates under different assumptions or conditions.

While our significant accounting policies are described in more detail in the notes to our consolidated financial statements included elsewhere in this
Annual Report on Form 10-K, we believe that the following accounting policies are those most critical to the judgments and estimates used in the
preparation of our consolidated financial statements.

Revenue Recognition

Our revenues are generated primarily through collaborative research, license, development and commercialization agreements. The terms of these
agreements generally contain multiple elements, or deliverables, which may include (1) licenses, or options to obtain licenses, to use our technology,
(2) research and development activities to be performed on behalf of the collaborative partner, and (3) in certain cases, services in connection with the
manufacturing of preclinical and clinical material. Payments we receive under these arrangements typically include one or more of the following: non-
refundable, upfront license fees; option exercise fees; funding of research and/or development efforts; clinical and development, regulatory, and sales
milestone payments; and royalties on future product sales. We classify payments received under these agreements as revenues within our consolidated
statements of operations.

106

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ASC 606 applies to all contracts with customers, except for contracts that are within the scope of other standards. Under ASC 606, an entity recognizes
revenue when its customer obtains control of promised goods or services, in an amount that reflects the consideration which the entity expects to receive in
exchange for those goods or services. To determine revenue recognition for arrangements that an entity determines are within the scope of ASC 606, the
entity performs the following five steps: (i) identify the contract(s) with a customer; (ii) identify the performance obligations in the contract; (iii) determine
the transaction price; (iv) allocate the transaction price to the performance obligations in the contract; and (v) recognize revenue when (or as) the entity
satisfies a performance obligation.

At contract inception, once the contract is determined to be within the scope of ASC 606, we evaluate the performance obligations promised in the contract
that are based on goods and services that will be transferred to the customer and determine whether those obligations are both (i) capable of being distinct
and (ii) distinct in the context of the contract. Goods or services that meet these criteria are considered distinct performance obligations. If both these
criteria are not met, the goods and services are combined into a single performance obligation. We then recognize as revenue the amount of the transaction
price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied. Arrangements that include rights to
additional goods or services that are exercisable at a customer’s discretion are generally considered options. We assess if these options provide a material
right to the customer and, if so, these options are considered performance obligations. The exercise of a material right is accounted for as a contract
modification for accounting purposes.

We recognize as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) each performance
obligation is satisfied at a point in time or over time, and if over time this is based on the use of an output or input method.

Invoices issued as stipulated in contracts prior to revenue recognition are recorded as deferred revenue. Amounts expected to be recognized as revenue
within the 12 months following the balance sheet date are classified as deferred revenue within current liabilities in our consolidated balance sheets.
Amounts not expected to be recognized as revenue within the 12 months following the balance sheet date are classified as noncurrent deferred revenue.
Amounts recognized as revenue, but not yet invoiced are generally recognized as contract assets in the other current assets line item in our consolidated
balance sheets.

Milestone Payments – If an arrangement includes development and regulatory milestone payments, we evaluate whether the milestones are considered
probable of being reached and estimate the amount to be included in the transaction price using the most likely amount method. If it is probable that a
significant revenue reversal would not occur, the associated milestone value is included in the transaction price. Milestone payments that are not within our
control or the licensee’s control, such as regulatory approvals, are generally not considered probable of being achieved until those approvals are received.

Royalties – For arrangements that include sales-based royalties, including milestone payments based on a level of sales, which are the result of a customer-
vendor relationship and for which the license is deemed to be the predominant item to which the royalties relate, we recognize revenue at the later of (i)
when the related sales occur, or (ii) when the performance obligation to which some or all of the royalty has been allocated has been satisfied or partially
satisfied. To date, we have not recognized any royalty revenue resulting from any of our licensing arrangements.

Significant Financing Component – In determining the transaction price, we adjust consideration for the effects of the time value of money if the timing of
payments provides us with a significant benefit of financing. We do not assess whether a contract has a significant financing component if the expectation
at contract inception is such that the period between payment by the licensees and the transfer of the promised goods or services to the licensees will be one
year or less. We assessed each of our revenue arrangements in order to determine whether a significant financing component exists and concluded that a
significant financing component does not exist in any of our arrangements.

Collaborative Arrangements – We have entered into collaboration agreements, which are within the scope of ASC 606, to discover, develop, manufacture
and commercialize product candidates. The terms of these agreements typically contain multiple promises or obligations, which may include: (1) licenses,
or options to obtain licenses, to use our technology, (2) research and development activities to be performed on behalf of the collaboration partner, and (3)
in certain cases, services in connection with the manufacturing of preclinical and clinical material. Payments we receive under these arrangements typically
include one or more of the following: non-refundable, upfront license fees; option exercise fees; funding of research and/or development efforts; clinical
and development, regulatory, and sales milestone payments; and royalties on future product sales.

We analyze our collaboration arrangements to assess whether they are within the scope of ASU No. 2018-18 Collaborative Arrangements, or ASC 808, to
determine whether such arrangements involve joint operating activities performed by parties that are both active participants in the activities and exposed to
significant risks and rewards dependent on the commercial success of such activities. This assessment is performed throughout the life of the arrangement
based on changes in the responsibilities of all parties in the arrangement. For collaboration arrangements within the scope of ASC 808 that contain multiple
elements, we first determine

107

which elements of the collaboration are deemed to be within the scope of ASC 808 and those that are more reflective of a vendor-customer relationship
and, therefore, are within the scope of ASC 606. For elements of collaboration arrangements that are accounted for pursuant to ASC 808, an appropriate
recognition method is determined and applied consistently, generally by analogy to ASC 606. For those elements of the arrangement that are accounted for
pursuant to ASC 606, we apply the five-step model described above.

Revenue related to performance obligations satisfied over time could be materially impacted as a result of changes in the estimated research effort to satisfy
performance obligations or changes in the transaction price related to variable consideration. For example, in in the year ended December 31, 2021, we
recorded cumulative catch up adjustments on that increased revenue recognition by $61.2 million as a result of changes in the transaction price related to
variable consideration for development milestones as well as changes in total estimated effort required to satisfy performance obligations. If we were to
increase total estimated effort required to satisfy the performance obligations related to the agreement with Lilly by 10%, it would result in a cumulative
catch up adjustments that decrease revenue recognition by $1.9 million. Alternatively, if we were to decrease total estimated effort required to satisfy the
performance obligations related to the agreement with Lilly by 10%, it would result in a cumulative catch up adjustments that increase revenue recognition
by $2.3 million.

Accrued Research and Development Expenses

As part of the process of preparing our consolidated financial statements, we are required to make certain estimates and judgements in our accrued research
and development expenses. This process involves reviewing open contracts and purchase orders, communicating with our personnel to identify services
that have been performed on our behalf and estimating the level of service performed and the associated costs incurred for the services when we have not
yet been invoiced or otherwise notified of the actual costs. The majority of our service providers invoice us in arrears for services performed, on a pre-
determined schedule or when contractual milestones are met; however, some require advance payments. We make estimates of our accrued expenses as of
each balance sheet date in our consolidated financial statements based on facts and circumstances known to us at that time. Actual costs incurred could
differ materially from estimates. Examples of estimated accrued research and development expenses include fees paid to the following:

•

•

•

CROs and other third parties in connection with performing research and development activities, conducting preclinical studies and clinical trials
on our behalf;

Vendors in connection with preclinical development activities; and

CMOs and other vendors in connection with product manufacturing and development and distribution of preclinical supplies.

We base our expenses related to preclinical studies on our estimates of the services received and efforts expended pursuant to quotes and contracts with
CROs that conduct and manage preclinical studies and clinical trials and CMOs that manufacture product for our research and development activities on
our behalf. The financial terms of these agreements are subject to negotiation, vary from contract to contract and may result in uneven payment flows.
There may be instances in which payments made to our vendors will exceed the level of services provided and result in a prepayment of the expense. In
accruing fees, we estimate the time period over which services will be performed and the level of effort to be expended in each period. If the actual timing
of the performance of services or the level of effort varies from our estimate, we adjust the accrual or amount of prepaid expense accordingly.

Share-Based Compensation

We measure stock options and other share-based awards granted to our employees, directors, consultants and advisors based on the fair value on the date of
the grant and recognize compensation expense for those awards, net of actual forfeitures, over the requisite service period, which is generally the vesting
period of the respective award.

We estimate the fair value of each stock option grant on the date of grant using the Black-Scholes option-pricing model, which uses as inputs the fair value
of our common stock and assumptions we make for the expected volatility of our common stock, the expected term of our stock options, the risk-free
interest rate for a period that approximates the expected term of our stock options and our expected dividend yield. As we have limited trading history, we
estimate our expected volatility based on the historical volatility of publicly traded peer companies and expect to continue to do so until such time as we
have adequate historical data regarding the volatility of our traded share price. The expected term of our options has been determined utilizing a weighted
value considering actual exercise history and estimated expected term based on the midpoint of final vest date and expiration date. The risk-free interest
rate is determined by reference to the U.S. Treasury yield curve in effect at the time of grant of the award for time periods approximately equal to the
expected term of the award. Expected dividend yield is based on the fact that we have never paid cash dividends and do not expect to pay any cash
dividends in the foreseeable future.

108

 
 
 
Recent Accounting Pronouncements

A description of recent accounting pronouncements that may potentially impact our financial position, results of operations or cash flows is disclosed in
Note 1, “Description of Business and Summary of Significant Accounting Policies,” to our consolidated financial statements included elsewhere in
this Annual Report on Form 10-K.

Emerging Growth Company Status

We are an “emerging growth company,” as defined in the JOBS Act, and we may take advantage of reduced reporting requirements that are otherwise
applicable to public companies. Section 107 of the JOBS Act exempts emerging growth companies from being required to comply with new or revised
financial accounting standards until private companies are required to comply with those standards. We have elected to take advantage of the extended
transition period for complying with new or revised accounting standards. As an “emerging growth company,” we are also exempted from having to
provide an auditor attestation of internal control over financial reporting under Sarbanes-Oxley Act Section 404(b).

We will remain an “emerging growth company” until the earliest of (1) the last day of the fiscal year in which we have total annual gross revenues of $1.07
billion or more, (2) December 31, 2024, (3) the date on which we have issued more than $1.0 billion in nonconvertible debt during the previous three years
or (4) the date on which we are deemed to be a large accelerated filer under the rules of the SEC, which means the market value of our common stock held
by non-affiliates exceeds $700 million as of the prior June 30th, we have been a public company for at least 12 months and have filed one Annual Report
on Form 10-K.

Item 7A. Quantitative and Qualitative Disclosures About Market Risk.

We are exposed to market risks in the ordinary course of our business. These risks primarily include interest rate sensitivities. Our interest-earning assets
consist of cash and cash equivalents, which are denominated in U.S. dollars. We had cash and cash equivalents of $143.7 million, or 68% of our total
assets, at December 31, 2021 and $89.8 million, or 60% of our total assets, at December 31, 2020. Interest income earned on these assets was $0.2 million
and $0.8 million for the years ended December 31, 2021 and December 31, 2020, respectively. Our interest income is sensitive to changes in the general
level of interest rates, primarily U.S. interest rates, however, we do not anticipate fluctuations in interest rates to have a material impact on our financial
statements.

We are also exposed to foreign exchange rate risk with respect to foreign currency transactions. We do not anticipate foreign exchange rate risk to have a
material impact on our financial statements.

Item 8. Financial Statements and Supplementary Data.

The financial statements required to be filed pursuant to this Item 8 are appended to this report and are incorporated herein by reference. An index of those
financial statements is found in Item 15 of Part IV of this Annual Report on Form 10-K.

Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure.

None.

Item 9A. Controls and Procedures.

Limitations on Effectiveness of Controls and Procedures

In designing and evaluating our disclosure controls and procedures, management recognizes that any controls and procedures, no matter how well designed
and operated, can provide only reasonable assurance of achieving the desired control objectives. In addition, the design of disclosure controls and
procedures must reflect the fact that there are resource constraints and that management is required to apply judgment in evaluating the benefits of possible
controls and procedures relative to their costs.

Evaluation of disclosure controls and procedures

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated, as of the end of the period covered by this
Annual Report on Form 10-K, the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange
Act). Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were
effective at the reasonable assurance level as of December 31, 2021.

109

Management’s annual report on internal control over financial reporting

Our management, with the participation of our principal executive officer and our principal financial officer, is responsible for establishing and maintaining
adequate internal control over financial reporting as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act.  Our management conducted an
assessment of the effectiveness of our internal control over financial reporting based on the criteria set forth in “Internal Control–Integrated Framework
(2013)” issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on this assessment, management concluded that, as of
December 31, 2021, our internal control over financial reporting was effective.

Attestation Report of the Registered Public Accounting Firm

Our independent registered accounting firm will not be required to opine on the effectiveness of our internal control over financial reporting pursuant to
Section 404 of Sarbanes-Oxley Act of 2002 until we are no longer an “emerging growth company” as defined in the JOBS Act.

Changes in internal control over financial reporting

There were no changes in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) during the
quarter ended December 31, 2021 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Item 9B. Other Information.

None.

Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections.

None.

110

 
 
Item 10. Directors, Executive Officers and Corporate Governance.

PART III

The information required by this item will be included in our definitive proxy statement (or the “2022 Proxy Statement”) to be filed with the SEC within
120 days of the end of our fiscal year covered by this Annual Report on Form 10-K and is incorporated herein by reference.

Item 11. Executive Compensation.

The information required by this item will be included in our 2022 Proxy Statement to be filed with the SEC within 120 days of the end of our fiscal year
covered by this Annual Report on Form 10-K and is incorporated herein by reference.

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters.

The information required by this item will be included in our 2022 Proxy Statement to be filed with the SEC within 120 days of the end of our fiscal year
covered by this Annual Report on Form 10-K and is incorporated herein by reference.

Item 13. Certain Relationships and Related Transactions, and Director Independence.

The information required by this item will be included in our 2022 Proxy Statement to be filed with the SEC within 120 days of the end of our fiscal year
covered by this Annual Report on Form 10-K and is incorporated herein by reference.

Item 14. Principal Accountant Fees and Services.

The information required by this item will be included in our 2022 Proxy Statement to be filed with the SEC within 120 days of the end of our fiscal year
covered by this Annual Report on Form 10-K and is incorporated herein by reference.

111

 
Item 15. Exhibits and Financial Statement Schedules.

(a)(1) Financial Statements

PART IV

The following documents are included on pages F-1 through F-26 attached hereto and are filed as part of this Annual Report on Form 10-K.

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

Report of Independent Registered Public Accounting Firm (PCAOB ID: 34)

Consolidated Balance Sheets as of December 31, 2021 and December 31, 2020

Consolidated Statements of Operations for the Years Ended December 31, 2021 and December 31, 2020

Consolidated Statements of Changes in Stockholders’ Equity for the Years Ended December 31, 2021 and December 31, 2020

Consolidated Statements of Cash Flows for the Years Ended December 31, 2021 and December 31, 2020

Notes to Consolidated Financial Statements

(a)(2) Financial Statement Schedules

F-1

F-2

F-3

F-4

F-5

F-6

All financial statement schedules have been omitted because they are not applicable, not required or the information required is shown in the financial
statements or the notes thereto.

(a)(3) Exhibits

The following is a list of exhibits filed, furnished or incorporated by reference as part of this Annual Report on Form 10-K.

112

 
 
 
 
 
 
 
 
 
 
 
 
Exhibit
Number

Description

Exhibit Index

  Amended and Restated Certificate of Incorporation of Precision
BioSciences, Inc.

Form

File No.

Exhibit

  Filing
Date

  Filed
Herewith

  8‑K

  001‑38841

  3.1

  4/1/2019

 3.1

 3.2

 4.1

 4.2

  Amended and Restated Bylaws of Precision BioSciences, Inc.

  10-Q

  001‑38841

  Specimen Common Stock Certificate

  Amended and Restated Investors’ Rights Agreement among Precision
BioSciences, Inc. and certain of its stockholders and the holders of the
2019 Notes, dated May 25, 2018, as amended

  S‑1/A

  333‑230034

  S‑1/A

  333‑230034

  3.2

  4.1

  4.2

  11/10/2020    

  3/18/2019

  3/18/2019

 4.3

  Amendment No. 2, dated February 3, 2020, to the Amended and Restated

  8‑K

  001-38841

  10.1

  2/6/2020

Investors’ Rights Agreement among Precision BioSciences, Inc. and
certain of its stockholders and the holders of the 2019 Notes, dated
May 25, 2018, as amended

4.4

 4.5

  Form of Indenture.

  S-3

  333-238857

  4.3

  6/1/2020

  Description of the Registrant's Securities

10.1††

  Loan and Security Agreement, dated May 15, 2019, among Precision

BioSciences, Inc., Elo Life Systems, Inc. and Pacific Western Bank, as
amended

  *

  *

10.2†

  Development and Commercial License Agreement by and between Les

  S‑1

  333‑230034

  10.1

  3/1/2019

Laboratoires Servier and Precision BioSciences, Inc., dated February 24,
2016, as amended

10.3††

  Amendment No. 5, dated September 18, 2019, to Development and
Commercial License Agreement by and between Les Laboratoires
Servier and Precision BioSciences, Inc., dated February 24, 2016, as
amended

  10‑Q

  001‑38841

  10.2

  11/12/2019    

10.4††

  Amendment No. 6, dated October 16, 2020, to Development and

  10-Q

  001-38841

  10.2

  11/10/2020    

Commercial License Agreement by and between Les Laboratoires
Servier, Institut de Recherches Internationales Servier and Precision
BioSciences, Inc., dated February 24, 2016, as amended

10.5††

  Program Purchase Agreement by and among Les Laboratoires Servier,

  10-Q

  001-38841

  10.1

  5/13/2021

Institut de Recherches Internationales Servier, and Precision BioSciences,
Inc., dated April 9, 2021

10.6††

  Development and License Agreement between Eli Lilly and Company

  10-K

  001-38841

  10.5

  3/18/2021

and Precision BioSciences, Inc., dated November 19, 2020

10.7††

  First Amendment to Development and License Agreement between

  10-Q

  001-38841

  10.2

  11/10/21

Precision BioSciences, Inc. and Eli Lilly and Company, dated August 9,
2021

10.8

  Stock Purchase Agreement between Eli Lilly and Company and Precision

  10-K

  001-38841

  10.6

  3/18/2021

BioSciences, Inc., dated November 19, 2020

10.9†

  License Agreement by and between Duke University and Precision

  S‑1

  333‑230034

  10.2

  3/1/2019

BioSciences, Inc., dated April 17, 2006, as amended

10.10†

  Patent Cross‑License Agreement by and between Cellectis SA and

  S‑1

  333‑230034

  10.3

  3/1/2019

Precision BioSciences, Inc., dated January 23, 2014

10.11

  Lease Agreement between Precision BioSciences, Inc. and Venable

  10-K

  001-38841

  10.9

  3/18/2021

Tenant, LLC, dated April 5, 2010, as amended

10.12

  Lease Agreement between Precision BioSciences, Inc. and Durham TW

Alexander, LLC, dated October 2, 2018, as amended

113

  *

 
 
 
 
 
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
 
   
   
   
   
   
   
   
   
   
   
Exhibit
Number

10.13#

Description

  2006 Stock Incentive Plan, as amended, and form of award agreements
thereunder

Form

File No.

Exhibit

  Filing
Date

  Filed
Herewith

  S‑1

  333‑230034

  10.8

  3/1/2019

10.14#

  2015 Stock Incentive Plan, as amended, and form of award agreements

  S‑1

  333‑230034

  10.9

  3/1/2019

thereunder

10.15#

10.16#

10.17#

  2019 Incentive Award Plan, and forms of award agreements thereunder

  10-K

  001-38841

  10.14

  3/18/2021

  2019 Employee Stock Purchase Plan

  S‑1/A

  333‑230034

  10.11

  3/18/2019

  2021 Employment Inducement Incentive Award Plan and form of award

  S-8

  333-259369

  99.3

  9/7/2021

agreements thereunder

10.18#

  Amended and Restated Executive Employment Agreement between

  S‑1/A

  333‑230034

  10.13

  3/18/2019

Precision BioSciences, Inc. and Derek Jantz, dated February 27, 2019

10.19#

  Executive Employment Agreement between Precision BioSciences, Inc.

  10-K

  001-38841

  10.22

  3/10/2020

and Dario Scimeca dated April 11, 2019

10.20#

  Form of Indemnification Agreement between Precision BioSciences, Inc.

  S‑1A

  333‑230034

  10.17

  3/18/2019

and its directors and officers

10.21#

  Non‑Employee Director Compensation Plan (as amended)

  10-Q

  001-38841

10.22#

  Transition and Separation Agreement between Precision BioSciences,

  8-K

  001-38841

  10.4

  10.1

  5/13/2021

  4/6/2021

10.23#

Inc. and Matthew Kane, dated April 5, 2021
Executive Employment Agreement between Precision BioSciences, Inc.
and Dr. Alan List, dated April 26, 2021

  10-Q

  001-38841

  10.2

  5/13/2021

10.24#

  Consulting Agreement between Precision BioSciences, Inc. and Dr. Chris

  10-Q

  001-38841

  10.3

  5/13/2021

Heery, dated April 23, 2021

10.25#

  Amended and Restated Executive Employment Agreement between
Precision BioSciences, Inc. and Alex Kelly, dated May 27, 2021

  10-Q

  001-38841

  10.5

  8/12/2021

10.26#

  Executive Employment Agreement, dated September 18, 2021, by and

  8-K

  001-38841

  10.1

  9/27/2021

between Michael Amoroso and Precision Biosciences, Inc

10.27#

  Consulting Agreement between Precision BioSciences, Inc. and Dr.

  10-Q

  001-38841

  10.4

  11/10/2021    

21.1

23.1

31.1

31.2

David Thomson, dated July 2, 2021.

  Subsidiaries of Precision BioSciences, Inc.

  Consent of Deloitte & Touche LLP

  Certification of Principal Executive Officer Pursuant to Rules 13a-14(a)
and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted
Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

  Certification of Principal Financial Officer Pursuant to Rules 13a-14(a)
and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted
Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

32.1

  Certification of Principal Executive Officer Pursuant to 18 U.S.C.

Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002.

32.2

  Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section
1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of
2002.

114

  *

  *

  *

  *

  **

  **

 
 
 
 
   
   
   
   
   
   
   
   
   
   
 
   
   
 
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
Exhibit
Number

Description

101.INS   XBRL Instance Document

101.SCH   XBRL Taxonomy Extension Schema Document

101.CAL   XBRL Taxonomy Extension Calculation Linkbase Document

101.DEF   XBRL Taxonomy Extension Definition Linkbase Document

101.LAB   XBRL Taxonomy Extension Label Linkbase Document

101.PRE   XBRL Taxonomy Extension Presentation Linkbase Document

104

  Cover Page Interactive Data File (as formatted as Inline XBRL and

contained in Exhibit 101)

Form

File No.

Exhibit

  Filing
Date

  Filed
Herewith

  *

  *

  *

  *

  *

  *

  *

*
Filed herewith
** Furnished herewith
†
††
#

Confidential treatment of certain provisions has been granted by the SEC pursuant to Rule 406 under the Securities Act of 1933, as amended.
Portions of this exhibit have been omitted pursuant to Item 601(b)(10)(iv) of Regulation S-K.
Denotes a management contract or compensatory plan or arrangement

Item 16. Form 10-K Summary.

None.

115

 
 
 
 
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
 
Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this Report to be
signed on its behalf by the undersigned, thereunto duly authorized.

SIGNATURES

Date: March 15, 2022

Date: March 15, 2022

  Precision BioSciences, Inc.

/s/ Michael Amoroso
Michael Amoroso
President, Chief Executive Officer and Director
(principal executive office and authorized signatory)

/s/ John Alexander Kelly
John Alexander Kelly
Chief Financial Officer
(principal financial officer)

  By:

  By:

116

 
 
 
   
 
 
   
 
   
 
 
   
 
 
   
 
   
 
Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, this Report has been signed below by the following persons on behalf of
the Registrant in the capacities and on the dates indicated.

Name

Title

Date

/s/ Michael Amoroso 
Michael Amoroso

/s/ John Alexander Kelly
John Alexander Kelly

/s/ Shane Barton
Shane Barton

/s/ Derek Jantz
Derek Jantz, Ph.D.

/s/ Raymond Schinazi
Raymond Schinazi, Ph.D., DSc

/s/ Shalini Sharp
Shalini Sharp

/s/ Kevin Buehler
Kevin Buehler

/s/ Geno Germano
Geno Germano

/s/ Stanley Frankel
Stanley Frankel, M.D.

/s/ Shari Lisa Piré
Shari Lisa Piré, J.D.

/s/ Sam Wadsworth
Sam Wadsworth, Ph.D.

President, Chief Executive Officer and Director
(principal executive officer)

  March 15, 2022

Chief Financial Officer
(principal financial officer)

Vice President and Corporate Controller
(principal accounting officer)

  March 15, 2022

  March 15, 2022

  Chief Scientific Officer and Director

  March 15, 2022

  Director

  Director

  Director

  Director

  Director

Director

Director

117

  March 15, 2022

  March 15, 2022

  March 15, 2022

  March 15, 2022

  March 15, 2022

  March 15, 2022

  March 15, 2022

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
 
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the stockholders and the Board of Directors of Precision BioSciences, Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Precision BioSciences, Inc. and subsidiaries (the "Company") as of December 31, 2021
and 2020, the related consolidated statements of operations, changes in stockholders’ equity, and cash flows, for each of the two years in the period ended
December 31, 2021, and the related notes (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in all
material respects, the financial position of the Company as of December 31, 2021 and 2020, and the results of its operations and its cash flows for each of
the two years in the period ended December 31, 2021, in conformity with accounting principles generally accepted in the United States of America.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial
statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States)
(PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and
regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable
assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. The Company is not required to have, nor
were we engaged to perform, an audit of its internal control over financial reporting. As part of our audits, we are required to obtain an understanding of
internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness of the Company’s internal control over
financial reporting. Accordingly, we express no such opinion.

Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and
performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in
the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as
evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

/s/ Deloitte & Touche LLP

Raleigh, North Carolina

March 15, 2022

We have served as the Company's auditor since 2017.

F-1

 
 
 
 
 
 
 
 
PART I. FINANCIAL INFORMATION

PRECISION BIOSCIENCES, INC.
CONSOLIDATED BALANCE SHEETS
(In thousands, except share and per share amounts)

December 31, 2021

December 31, 2020

Item 1.  Financial Statements.

Assets
Current assets:

Cash and cash equivalents
Accounts receivable
Prepaid expenses
Other current assets

Total current assets

Property, equipment, and software—net
Intangible assets—net
Right-of-use assets—net
Investment in equity securities
Equity method investments
Note receivable—net
Other assets

Total assets

Liabilities and Stockholders’ Equity
Current liabilities:

Accounts payable
Accrued compensation
Accrued clinical research and development expenses
Deferred revenue
Lease liabilities
Other current liabilities

Total current liabilities

Deferred revenue
Lease liabilities
Long term debt—net
Contract liabilities
Other noncurrent liabilities
Total liabilities
Stockholders’ equity:
Preferred stock, $0.0001 par value— 10,000,000 shares authorized as of December 31, 2021 and
December 31, 2020; no shares issued and outstanding as of December 31, 2021 and December 31, 2020  
Common stock; $0.000005 par value— 200,000,000 shares authorized, 61,712,577 shares issued and
60,902,105 shares outstanding as of December 31, 2021; 53,503,124 shares issued and 52,692,652
shares outstanding as of December 31, 2020
Additional paid-in capital
Accumulated deficit
Treasury stock

Total stockholders’ equity
Total liabilities and stockholders’ equity

  $

See notes to consolidated financial statements

F-2

  $

  $

  $

143,663    $
488   
17,434   
169   
161,754   
25,154   
2,048   
4,180   
3,091   
3,751   
6,879   
4,641   
211,498    $

1,144    $
6,765   
4,028   
21,244   
1,822   
977   
35,980   
67,015   
4,813   
2,478   
10,000   
44   
120,330   

89,798 
10,000 
5,762 
4 
105,564 
35,090 
1,373 
6,410 
— 
— 
— 
1,721 
150,158 

792 
5,745 
3,269 
30,236 
1,933 
854 
42,829 
53,926 
8,586 
— 
— 
392 
105,733 

—   

— 

—   
408,795   
(316,675)  
(952)  
91,168   
211,498    $

— 
331,450 
(286,073)
(952)
44,425 
150,158

 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
PRECISION BIOSCIENCES, INC.
CONSOLIDATED STATEMENTS OF OPERATIONS
(In thousands, except share and per share amounts)

Revenue
Operating expenses

Research and development
General and administrative
Total operating expenses

Loss from operations
Other income (expense), net:

Gain on changes in fair value
Gain on deconsolidation of subsidiary
Income from equity method investments
Interest expense
Interest income

Total other income (expense), net

Net loss and net loss attributable to common stockholders

Net loss per share attributable to common stockholders-
   basic and diluted

Weighted average shares of common stock outstanding-
   basic and diluted

For the Years Ended December 31,
2020
2021

  $

115,529    $

24,285 

115,238   
39,693   
154,931   
(39,402)  

2,555   
5,985   
184   
(132)
208   
8,800   
(30,602)   $

98,061 
36,052 
134,113 
(109,828)

— 
— 
— 
— 
822 
822 
(109,006)

(0.52)   $

(2.09)

58,688,102   

52,031,740

  $

  $

See notes to consolidated financial statements

F-3

 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
  
  
 
 
 
 
 
 
 
 
 
 
 
PRECISION BIOSCIENCES, INC.
CONSOLIDATED STATEMENTS OF CHANGES IN
STOCKHOLDERS’ EQUITY
(In thousands, except share amounts)

Balance- January 1,
   2020
Stock option exercises
Issuance of common stock under employee
  stock purchase plan
Share-based
   compensation
   expense
Net loss
Balance- December 31,
   2020
Stock option exercises
Issuance of common stock under employee
  stock purchase plan
Share-based compensation expense
Issuance of common stock to collaboration
partners
Proceeds from issuance of common stock,
net of issuance cost
Net loss
Balance- December 31,
   2021

Common Stock

Shares

Amount

Additional
Paid-In
Capital

Accumulated
Deficit

Treasury
Stock

Total
Stockholder's
Equity

51,965,708 
1,411,188 

  $

126,228 

— 
— 

53,503,124 
1,997,700 

126,887 
— 

3,762,190 

2,322,676 
— 

— 
— 

— 

— 
— 

— 
— 

— 
— 

— 

— 
— 

  $

316,333 
691 

  $

(177,067)   $
— 

640 

13,786 
— 

331,450 
6,783 

804 
16,514 

27,739 

25,505 
— 

— 

— 

(109,006)  

(286,073)  

— 

— 
— 

— 

— 

(30,602)  

(952)   $
  $

— 

— 

  $

— 
— 

  $
  $

(952)  
— 

— 
— 

— 

— 
— 

61,712,577 

  $

— 

  $

408,795 

  $

(316,675)   $

(952)   $

138,314 
691 

640 

13,786 
(109,006)

44,425 
6,783 

804 
16,514 

27,739 

25,505 
(30,602)

91,168  

See notes to consolidated financial statements

F-4

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
PRECISION BIOSCIENCES, INC.
CONSOLIDATED STATEMENTS OF CASH FLOWS
(In thousands)

For the Years Ended December 31,
2020
2021

  $

(30,602)   $

(109,006)

Cash flows from operating activities:

Net loss
Adjustments to reconcile net loss to net cash used in operating activities:

Depreciation and amortization
Share-based compensation
Loss on disposal of assets
Non-cash interest expense
Amortization of right-of-use assets
Non-cash consideration received from collaboration partners
Gain on changes in fair value
Gain on deconsolidation of subsidiary
Income from equity method investments
Amortization of discount on note receivable
Changes in operating assets and liabilities:

Prepaid expenses
Accounts receivable
Other assets and other current assets
Accounts payable
Other liabilities and other current liabilities
Deferred revenue
Lease liabilities and right-of-use assets
Contract liabilities

Net cash used in operating activities

Cash flows from investing activities:

Purchases of property, equipment and software
Purchases of intangibles assets

Net cash used in investing activities

Cash flows from financing activities:

Proceeds from stock option exercises
Proceeds from employee stock purchase plan
Proceeds from issuance of common stock to collaboration partners
Proceeds from offering of common stock, net of issuance costs
Proceeds from issuance of term loan, net of issuance costs paid to lender
Debt issuance costs
Payment of term loan
Borrowings from revolving credit facility

Net cash provided by financing activities
Net increase (decrease) in cash and cash equivalents
Cash and cash equivalents—beginning of period
Cash and cash equivalents —end of period

Supplemental disclosures of noncash financing and investing activities:

Property, equipment and software additions included in accounts payable,
   accrued expenses and other current liabilities

Unsettled at-the-market issuances of common stock included in other current assets

Contract liability accrual related to Servier Program Purchase Agreement milestones

Non-cash consideration received from collaboration partners

  $

  $

  $

  $

  $

See notes to consolidated financial statements

F-5

8,981   
16,514   
26   
59   
1,216   
(17,894)  
(2,555)  
(5,985)  
(184)  
(13)  

5,616   
9,512   
(2,734)  
867   
1,423   
(3,164)  
(1,936)  
10,000   
(10,853)  

(5,053)  
(750)  
(5,803)  

6,783   
804   
35,000   
25,477   
2,465   
(13)  
(2,500)  
2,505   
70,521   
53,865   
89,798   
143,663    $

103    $

37    $

10,000    $

17,894    $

8,777 
13,786 
35 
— 
1,036 
— 
— 
— 
— 
— 

3,735 
(9,035)
2,194 
(1,455)
2,475 
1,781 
(1,709)
— 
(87,386)

(5,031)
— 
(5,031)

689 
640 
— 
— 
— 
— 
— 
— 
1,329 
(91,088)
180,886 
89,798 

665 

— 

— 

—

 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
Precision BioSciences, Inc.
Notes to Consolidated Financial Statements

NOTE 1:

DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Description of Business

Precision BioSciences, Inc. (the “Company”) was incorporated on January 26, 2006 under the laws of the State of Delaware and is based in Durham, North
Carolina. The Company is a clinical stage gene editing company dedicated to improving life by developing ex vivo allogeneic CAR T immunotherapies and
in vivo therapies for genetic and infectious diseases with the application of the Company’s wholly owned proprietary ARCUS genome editing platform.

The Company’s 100% owned subsidiary, Precision PlantSciences, Inc., was incorporated on January 4, 2012. Precision PlantSciences, Inc. amended its
certificate of incorporation on January 16, 2018 to change its name to Elo Life Systems, Inc. In December 2021, the Company entered into an agreement
with a syndicate of investors, pursuant to which the Company contributed substantially all of the assets of Elo Life Systems, Inc. to New Elo. In connection
with the Elo Transaction, Elo Life Systems, Inc. amended its certificate of incorporation on December 21, 2021 to change its name back to Precision
PlantSciences, Inc. in order to permit a newly formed entity (“New Elo”) to change its name to Elo Life Systems, Inc.

The Company’s 100% owned subsidiary, Precision BioSciences UK Limited, was incorporated on June 17, 2019. The accompanying consolidated financial
statements include the accounts of the Company and its subsidiary. Intercompany balances and transactions have been eliminated in consolidation.

Since its inception, the Company has devoted substantially all of its efforts to research and development activities, recruiting skilled personnel, developing
manufacturing processes, establishing its intellectual property portfolio and providing general and administrative support for these operations. The
Company is subject to a number of risks similar to those of other companies conducting high-risk, early-stage research and development of product
candidates. Principal among these risks are dependence on key individuals and intellectual property, competition from other products and companies, and
the technical risks associated with the successful research, development and clinical manufacturing of its product candidates. The Company’s success is
dependent upon its ability to continue to raise additional capital in order to fund ongoing research and development, obtain regulatory approval of its
products, successfully commercialize its products, generate revenue, meet its obligations, and, ultimately, attain profitable operations.

Use of Estimates

The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America
(“GAAP”) requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and
disclosures made in the accompanying notes to the consolidated financial statements. Actual results could differ from those estimates. Significant estimates
include recording revenue for performance obligations recognized over time, determination of the fair value of share-based compensation grants and
estimating services expended by third-party service providers used to recognize research and development expense.

Basis of Presentation

These financial statements have been prepared in accordance with GAAP. Additionally, the accompanying consolidated financial statements have been
prepared on a going concern basis, which contemplates the realization of assets and the satisfaction of liabilities in the normal course of business. As of
December 31, 2021, the Company has not generated any revenue from product sales and does not expect to generate any revenue from the sale of product
in the foreseeable future. During the year ended December 31, 2021, the Company incurred a net loss of $30.6 million and, as of December 31, 2021, has
an accumulated deficit of $316.7 million. The Company has financed its operations primarily through proceeds from upfront and milestone payments from
collaboration and licensing agreements, the Company’s IPO, private placements of convertible preferred stock and convertible debt financings, at-the-
market offerings of common stock, and borrowings on credit facilities. The Company expects to incur additional operating losses and negative operating
cash flows for the foreseeable future.

Management believes that, as of the date of this Annual Report on Form 10-K, existing cash and cash equivalents, expected operational receipts and
available credit will allow the Company to fund its operating expense and capital expenditure requirements into mid-2023. In the absence of a significant
source of recurring revenue, the continued viability of the Company beyond that point is dependent on its ability to continue to raise additional capital to
finance its operations. There can be no assurance that the Company will be able to obtain sufficient capital to cover its costs on acceptable terms, if at all.

Summary of Significant Accounting Policies

Cash and Cash Equivalents

F-6

 
 
 
The Company considers all highly liquid investments with an original maturity of three months or less at the date of purchase to be cash equivalents. As of
December 31, 2021 and December 31, 2020, the Company held an insignificant amount of cash equivalents.

Concentrations of Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist principally of cash and notes receivable. All of the
Company’s cash and cash equivalents are held at financial institutions that management believes to be of high credit quality. The Company may maintain
cash deposits in financial institutions in excess of government insured limits. The Company regularly invests excess cash deposits in money market funds
and repurchase agreements. The Company believes that the credit risk arising from the holdings of these financial instruments is mitigated by the fact that
these securities are of short duration, government backed and of high credit rating. The Company has not experienced any losses on cash and cash
equivalents to date.

Revenue from Lilly and Servier accounted for 18% and 63% of revenue during 2021, respectively. Revenue from Gilead and Servier accounted for 16%
and 74% of revenue during 2020, respectively. Lilly accounted for 100% of deferred revenue as of December 31, 2021.

Property, Equipment and Software

Property, equipment and software are stated at cost, net of depreciation and amortization. Depreciation and amortization are calculated using the straight-
line method over the estimated useful lives of the assets ranging from three to seven years. Leasehold improvements are amortized on a straight-line basis
over the shorter of the lease term or estimated useful life of the asset.

The depreciation and amortization periods for the Company’s significant property, equipment and software categories are as follows:

Laboratory equipment
Furniture and fixtures and office equipment
Leasehold improvements

5 to 7 years
3 to 5 years
Lesser of remaining lease term or useful life

Repairs and maintenance are charged to operations as incurred, and expenditures for additions and improvements that extend the useful life of the asset are
capitalized.

Intangible Assets

Intangible assets primarily include licenses and patents. The Company capitalizes license fees paid to acquire access to proprietary technology if the
technology is expected to have alternative future use in multiple research and development projects. The cost of licensed technology rights is amortized
using the straight-line method over the estimated useful life of the technology. If the access to use the technology rights is one year or less, the cost is
recorded as a prepaid expense and amortized over the period identified in the agreement. Amortization expense for licensed technology and capitalized
patent costs is included in research and development expenses within the accompanying consolidated statement of operations.

Impairment of Long-Lived Assets

Long-lived assets, such as property, equipment and software and intangible assets, subject to amortization, are reviewed for impairment whenever events or
changes in circumstances indicate that the carrying amount of an asset may not be recoverable. An impairment loss is assessed when future undiscounted
cash flows are less than the assets’ carrying value and recognized when the carrying value of the asset exceeds fair value. Fair value is calculated by
estimating the discounted future cash flows expected to be generated by the asset as well as other valuation techniques. An impairment charge is recognized
for the amount by which the carrying amount exceeds the fair value of the asset.

Fair Value Measurements

Fair value is defined as the price that would be received from selling an asset or paid to transfer a liability in an orderly transaction between market
participants at the measurement date. When determining the fair value measurements for assets and liabilities, which are required to be recorded at fair
value, we consider the principal or most advantageous market in which we would transact and the market-based risk measurements or assumptions that
market participants would use in pricing the asset or liability, such as risks inherent in valuation techniques, transfer restrictions and credit risk. ASC 820,
Fair Value Measurement, establishes a fair value hierarchy for instruments measured at fair value that distinguishes between assumptions based on market
data (observable inputs) and

F-7

 
 
 
 
 
 
 
 
 
the Company’s assumptions (unobservable inputs). Observable inputs are inputs that market participants would use in pricing the asset or liability based on
market data obtained from our independent sources. Unobservable inputs are inputs that reflect the Company’s assumptions about the inputs that market
participants would use in pricing the asset or liability, and are developed based on the best information available in the circumstances. The following fair
value hierarchy is used to classify assets and liabilities based on the observable inputs and unobservable inputs used to value the assets and liabilities:

•

•

•

Level 1 - Observable inputs based on unadjusted quoted prices in active markets for identical assets or liabilities

Level 2 - Inputs, other than quoted prices in active markets, that are observable either directly or indirectly

Level 3 - Unobservable inputs for which there is little or no market date, which require the Company to develop its own assumptions

To the extent that the valuation is based on models or inputs that are less observable or unobservable in the market, the determination of fair value requires
more judgment. A financial instrument’s level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value
measurement.

The Company’s cash equivalents are reported at fair value within Level 1 as the prices are available from quoted prices in active markets. The Company’s
equity investment in iECURE is reported at fair value within Level 3 as the assessed fair value was based on significant unobservable inputs given
iECURE equity is not traded on a public exchange.

Investments in Equity Securities

The Company carries investments in equity securities for which it does not possess the ability to exercise significant influence or control at fair value in the
consolidated balance sheets and records changes in fair value in the consolidated statements of operations as a component of other income or expense.

As of December 31, 2021, the Company held common stock in iECURE with a fair value of $3.1 million. As of December 31, 2020, the Company did not
hold any investments in equity securities.

Investments under the Equity Method

The Company utilizes the equity method to account for investments when it is determined that the Company possess the ability to exercise significant
influence, but not control, over the operating and financial policies of the investee. The ability to exercise significant influence is presumed when the
investor possesses more than 20% of the voting interests of the investee. This presumption may be overcome based on specific facts and circumstances that
demonstrate that the ability to exercise significant influence is restricted.

In applying the equity method, the Company will subsequently increase or decrease the carrying amount of the investment by the Company’s proportionate
share of the net earnings or losses and other comprehensive income of the investee. In the event that net losses of the investee reduce the carrying amount
to zero, additional net losses may be recorded if other investments in the investee are at-risk, even if the Company has not committed to provide financial
support to the investee. Such additional equity method losses, if any, are based upon the change in the Company’s claim on the investee’s book value.

As of December 31, 2021, the Company accounted for its investment in New Elo under the equity method. The Company will subsequently increase or
decrease the carrying amount of the investment in New Elo by the Company’s proportionate share of the net earnings or losses and other comprehensive
income of New Elo.  

Leases

In February 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2016-02, Leases (“ASC 842”), to
enhance the transparency and comparability of financial reporting related to leasing arrangements. The Company adopted ASC 842 on January 1, 2020, or
the effective date, and used the effective date as its date of initial application.

At the inception of an arrangement, the Company determines whether the arrangement is or contains a lease based on the unique facts and circumstances
present. Leases with a term greater than one year are recognized on the balance sheet as right-of-use assets and lease liabilities. The Company has elected
not to recognize on the balance sheet leases with terms of one year or less. Lease liabilities and corresponding right-of-use assets are recorded based on the
present value of lease payments over the expected remaining lease term. Certain adjustments to the right-of-use asset were required for items such as
prepaid and deferred rent. In calculating the present value of the lease payments, the Company has elected to apply the discount rate based on the remaining
lease term as of the transition

F-8

 
 
 
 
 
date, January 1, 2020. As the rate implicit in the lease is not readily determinable, the Company utilizes its incremental borrowing rates, which are the rates
incurred to borrow on a collateralized basis over a similar term an amount equal to the lease payments in a similar economic environment.

The Company has elected to account for the lease and non-lease components of each of its operating leases as a single lease component. In addition, the
Company elected the package of practical expedients permitted under the transition guidance within ASC 842, in which the Company need not reassess (i)
the historical lease classification, (ii) whether any expired or existing contract is or contains a lease, or (iii) the initial direct costs for any existing leases.
The operating right-of-use asset recorded on the balance sheet is amortized on a straight-line basis as lease expense.

Revenue Recognition for Contracts with Customers

The Company’s revenues are generated primarily through collaborative research, license, development and commercialization agreements.

ASC 606 applies to all contracts with customers, except for contracts that are within the scope of other standards. Under ASC 606, an entity recognizes
revenue when its customer obtains control of promised goods or services, in an amount that reflects the consideration which the entity expects to receive in
exchange for those goods or services. To determine revenue recognition for arrangements that an entity determines are within the scope of ASC 606, the
entity performs the following five steps: (i) identify the contract(s) with a customer; (ii) identify the performance obligations in the contract; (iii) determine
the transaction price; (iv) allocate the transaction price to the performance obligations in the contract; and (v) recognize revenue when (or as) the entity
satisfies a performance obligation.

At contract inception, once the contract is determined to be within the scope of ASC 606, the Company evaluates the performance obligations promised in
the contract that are based on goods and services that will be transferred to the customer and determines whether those obligations are both (i) capable of
being distinct and (ii) distinct in the context of the contract. Goods or services that meet these criteria are considered distinct performance obligations. If
both these criteria are not met, the goods and services are combined into a single performance obligation. The Company then recognizes as revenue the
amount of the transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied. Arrangements
that include rights to additional goods or services that are exercisable at a customer’s discretion are generally considered options. The Company assesses if
these options provide a material right to the customer and if so, these options are considered performance obligations. The exercise of a material right is
accounted for as a contract modification for accounting purposes.

The Company recognizes as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) each
performance obligation is satisfied at a point in time or over time, and if over time this is based on the use of an output or input method. For the year ended
December 31, 2021, the Company recorded cumulative catch up adjustments on its contracts with customers that increased revenue recognition by $61.2
million; the cumulative catch-up adjustments resulted from a change in the transaction price related to variable consideration for development milestones as
well as changes in total estimated effort required to satisfy performance obligations. During the year ended December 31, 2021, the Company recorded
$74.2 million in revenue that was included in deferred revenue as of December 31, 2020.

Invoices issued as stipulated in contracts prior to revenue recognition are recorded as deferred revenue. Amounts expected to be recognized as revenue
within the 12 months following the balance sheet date are classified as deferred revenue within current liabilities in the accompanying consolidated balance
sheets. Amounts not expected to be recognized as revenue within the 12 months following the balance sheet date are classified as noncurrent deferred
revenue. Amounts recognized as revenue, but not yet invoiced are generally recognized as contract assets in the other current assets line item in the
accompanying consolidated balance sheets.

Milestone Payments – If an arrangement includes development and regulatory milestone payments, the Company evaluates whether the milestones are
considered probable of being reached and estimates the amount to be included in the transaction price using the most likely amount method. If it is
probable that a significant revenue reversal would not occur, the associated milestone value is included in the transaction price. Milestone payments that are
not within the Company’s or the licensee’s control, such as regulatory approvals, are not considered probable of being achieved until those approvals are
received and therefore revenue recognized is constrained as management is unable to assert that a reversal of revenue would not be probable. The
transaction price is then allocated to each performance obligation on a relative standalone selling price basis, for which the Company recognizes revenue as
or when the performance obligations under the contract are satisfied. At the end of each subsequent reporting period, the Company re-evaluates the
probability of achievement of such development milestones and any related constraint, and, if necessary, adjusts its estimate of the overall transaction price.
Any such adjustments are recorded on a cumulative catch-up basis, which would affect collaboration revenues and earnings in the period of adjustment.

F-9

 
Royalties – For arrangements that include sales-based royalties, including milestone payments based on a level of sales, which are the result of a customer-
vendor relationship and for which the license is deemed to be the predominant item to which the royalties relate, the Company recognizes revenue at the
later of (i) when the related sales occur, or (ii) when the performance obligation linked to some or all of the royalty has been satisfied or partially satisfied.
To date, the Company has not recognized any royalty revenue resulting from any of its licensing arrangements.

Significant Financing Component – In determining the transaction price, the Company adjusts consideration for the effects of the time value of money if
the timing of payments provides the Company with a significant benefit of financing. The Company does not assess whether a contract has a significant
financing component if the expectation at contract inception is such that the period between payment by the licensees and the transfer of the promised
goods or services to the licensees will be one year or less. The Company assessed each of its revenue arrangements in order to determine whether a
significant financing component exists and concluded that a significant financing component does not exist in any of its arrangements.

Collaborative Arrangements – The Company has entered into collaboration agreements, which are within the scope of ASC 606, to discover, develop,
manufacture and commercialize product candidates. The terms of these agreements typically contain multiple promises or obligations, which may include:
(1) licenses, or options to obtain licenses, to use the Company’s technology, (2) research and development activities to be performed on behalf of the
collaboration partner, and (3) in certain cases, services in connection with the manufacturing of preclinical and clinical material. Payments the Company
receives under these arrangements typically include one or more of the following: non-refundable, upfront license fees; option exercise fees; funding of
research and/or development efforts; clinical and development, regulatory, and sales milestone payments; and royalties on future product sales.

The Company analyzes its collaboration arrangements to assess whether the collaboration agreements are within the scope of accounting standards
codification (“ASC”) ASC 808, Collaborative Arrangements (“ASC 808”) to determine whether such arrangements involve joint operating activities
performed by parties that are both active participants in the activities and exposed to significant risks and rewards dependent on the commercial success of
such activities. This assessment is performed throughout the life of the arrangement based on changes in the responsibilities of all parties in the
arrangement. For collaboration arrangements within the scope of ASC 808 that contain multiple elements, the Company first determines which elements of
the collaboration are deemed to be within the scope of ASC 808 and those that are more reflective of a vendor-customer relationship and, therefore, are
within the scope of ASC 606. For elements of collaboration arrangements that are accounted for pursuant to ASC 808, an appropriate recognition method is
determined and applied consistently, generally by analogy to ASC 606. For those elements of the arrangement that are accounted for pursuant to ASC 606,
the Company applies the five-step model described above.

For additional discussion of accounting for collaboration revenues, see Note 13, “Collaboration and License Agreements.”

Research and Development

Research and development costs are expensed as incurred. Research and development expenses are comprised of costs incurred in performing research and
development activities including salaries, benefits, share-based compensation, allocations for rent and facility costs, depreciation, preclinical manufacturing
expenses, costs of services provided by CROs in connection with preclinical trials and CMOs engaged to manufacture clinical trial material, costs of
licensing technology, and costs of services provided by research organizations and service providers. Upfront payments and milestone payments made for
the licensing of technology are expensed as research and development in the period in which they are incurred if the technology is not expected to have any
alternative future uses other than the specific research and development project for which it was intended. Nonrefundable advance payments for goods or
services to be received in the future for use in research and development activities are recorded as prepaid expenses. The prepaid amounts are expensed as
the related goods are delivered or the services are performed rather than when the payment is made.

The Company is required to estimate accrued research and development expenses resulting from its obligations under contracts with CROs, CMOs,
research organizations, service providers, vendors and consultants in connection with research and development activities. The financial terms of these
contracts are subject to negotiations and vary from contract to contract and may result in payment flows that do not match the periods over which materials
or services are provided to the Company under such contracts. The Company’s objective is to reflect the appropriate research and development expenses in
its consolidated statements of operations by matching those expenses with the period in which the services and efforts are expended. There may be
instances in which payments made to the Company’s vendors will exceed the level of services provided and result in a prepayment of the expense. In
accruing fees, the Company estimates the time period over which services will be performed and the level of effort to be expended in each period. If the
actual timing of the performance of services or the level of effort varies from the Company’s estimate, the Company adjusts the accrual or amount of
prepaid expense accordingly.

Comprehensive Loss

F-10

 
 
 
Comprehensive loss includes net loss as well as other changes in stockholders’ equity that result from transactions and economic events other than those
with stockholders. For the years ended December 31, 2021 and December 31, 2020, there was no difference between net loss and comprehensive loss in the
accompanying consolidated statement of operations.

Net Loss Per Share

Basic net loss per share is computed by dividing net loss attributable to common stockholders by the weighted-average number of shares of common stock
outstanding during the period. Diluted net loss per share is computed using the weighted-average number of shares of common stock outstanding during the
period and, if dilutive, the weighted-average number of potential shares of common stock.

The Company’s diluted net loss per share is the same as basic net loss per share for the years ended December 31, 2021 and December 31, 2020, given all
potential shares of common stock are anti-dilutive as a result of the net loss.

Share-Based Compensation

The Company accounts for all share-based compensation, including stock options and the employee stock purchase plan at fair value and recognizes
compensation expense for those equity awards, net of actual forfeitures, over the requisite service period, which is generally the vesting period of the
respective award.

The fair value of each equity grant is estimated on the date of grant using the Black-Scholes option-pricing model, which uses as inputs the fair value of the
Company’s common stock and assumptions the Company makes for the expected volatility of its common stock, the expected term of the stock options, the
risk-free interest rate for a period that approximates the expected term of the stock options and the Company’s expected dividend yield. As the Company
has limited trading history, expected volatility is estimated based on the historical volatility of publicly traded peer companies and the Company expects to
continue to do so until such time as it has adequate historical data regarding the volatility of its traded share price. The expected term of the options has
been determined utilizing a weighted value considering actual exercise history and estimated expected term based on the midpoint of final vest date and
expiration date. The risk-free interest rate is determined by reference to the U.S. Treasury yield curve in effect at the time of grant of the award for time
periods approximately equal to the expected term of the award. Expected dividend yield is based on the fact that the Company has never paid cash
dividends and does not expect to pay any cash dividends in the foreseeable future.

Income Taxes

Deferred tax assets and liabilities are determined based on the temporary differences between the consolidated financial statement carrying amounts and the
tax basis of assets and liabilities using the enacted tax rates in effect in the years in which the differences are expected to reverse. In estimating future tax
consequences, all expected future events are considered other than the enactment of changes in the tax law or rates. Changes in deferred tax assets and
liabilities are recorded in the provision for income taxes.

The Company may recognize the tax benefit from an uncertain tax position only if it is more likely than not that the tax position will be sustained on
examination by the taxing authorities based on the technical merits of the position. The tax benefits recognized in the consolidated financial statements
from such a position is measured based on the largest benefit that has a greater than 50% likelihood of being realized upon ultimate settlement.

The Company assesses the likelihood that its deferred tax assets will be recovered from future taxable income and, to the extent it believes, based upon the
weight of available evidence, that it is more likely than not that all or a portion of the deferred tax assets will not be realized, a valuation allowance is
established through a charge to income tax expense. Potential for recovery of deferred tax assets is evaluated by estimating the future taxable profits
expected and considering prudent and feasible tax planning strategies.

Accounting Standards Updates

The Company is an “emerging growth company,” as defined in the Jumpstart Our Business Startups Act of 2012, or the JOBS Act, and may take advantage
of reduced reporting requirements that are otherwise applicable to public companies. Section 107 of the JOBS Act exempts emerging growth companies
from being required to comply with new or revised financial accounting standards until private companies are required to comply with those standards. The
Company has elected to use the extended transition period for complying with new or revised accounting standards. The JOBS Act also exempts the
Company from having to provide an auditor attestation of internal controls over financial reporting under Sarbanes-Oxley Act Section 404(b).

F-11

 
 
 
The Company will remain an “emerging growth company” until the earliest of (i) December 31, 2024, (ii) the last day of the fiscal year in which it has total
annual gross revenues of $1.07 billion or more, (iii) the date on which it has issued more than $1.0 billion in nonconvertible debt during the previous three
years or (iv) the date on which it is deemed to be a large accelerated filer under the rules of the Securities and Exchange Commission (“SEC”), which
generally is when it has more than $700 million in market value of its stock held by non-affiliates as of the prior June 30th.

Other accounting standards updates issued, but not effective until after December 31, 2021, are not expected to have a material effect on the Company’s
consolidated financial position, statements of operations or cash flows.

NOTE 2:

PROPERTY, EQUIPMENT AND SOFTWARE

Property, equipment and software consisted of the following as of December 31 (in thousands):

Construction in progress
Leasehold improvements
Software
Laboratory equipment
Office equipment
Furniture and fixtures

Total property, equipment and software
Less accumulated depreciation and amortization

Property, equipment and software - net

2021

2020

  $

  $

3,042    $
22,784   
312   
19,291   
1,371   
2,268   
49,068   
23,914   
25,154    $

1,894 
26,580 
394 
21,240 
1,542 
2,518 
54,168 
19,078 
35,090

Depreciation expense, including amortization of leasehold improvements and software, was $8.9 million and $8.7 million for the years ended
December 31, 2021 and December 31, 2020, respectively.

NOTE 3:

INTANGIBLE ASSETS

Intangible assets, net, consisted of the following as of December 31 (in thousands):

License cost
Less: accumulated amortization
Less: impairments
Intangible assets, net

  $

2021

2020

2,581    $
(415)  
(118)  
2,048   

1,831 
(340)
(118)
1,373

Amortization expense of intangible assets was less than $0.1 million for the years ended December 31, 2021 and December 31, 2020. Amortization
expense for intangible assets with definite lives will be $0.1 million for each of the next five years with the remaining $1.5 million amortized to expense in
2027 and beyond.

NOTE 4:

STOCKHOLDERS’ EQUITY

Capital Structure

On April 1, 2019, the Company filed an amendment to its amended and restated certificate of incorporation pursuant to which, among other things, the
Company increased its authorized shares to 210,000,000 shares of capital stock, of which 200,000,000 shares were designated as $0.000005 par value
common stock and 10,000,000 shares were designated as $0.0001 par value preferred stock.

NOTE 5:

SHARE-BASED COMPENSATION

The Company previously granted stock options under its 2006 Stock Incentive Plan (the “2006 Plan”) and its 2015 Stock Incentive Plan (the “2015 Plan”).
As of December 31, 2021 there were 3,078,604 stock options outstanding under the 2006 Plan and 2015 Plan and no remaining stock options available to
be granted under such plans.

F-12

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
      
 
On March 12, 2019, the Company’s board of directors adopted, and, on March 14, 2019 the Company’s stockholders approved, the Precision BioSciences,
Inc. 2019 Incentive Award Plan (“2019 Plan”) and the 2019 Employee Stock Purchase Plan (“2019 ESPP”), both of which became effective on March 27,
2019.

The 2019 Plan provides for the grant of incentive stock options, non-qualified stock options, stock appreciation rights, restricted stock, restricted stock units
and other share-based awards. The number of shares available for issuance under the 2019 Plan initially equaled 4,750,000 shares of common stock. The
2019 Plan provides for an annual increase to the number of shares of common stock available for issuance on the first day of each calendar year beginning
January 1, 2020 and ending on and including January 1, 2029 by an amount equal to the lesser of (i) 4% of the aggregate number of shares of common
stock outstanding on the final day of the immediately preceding calendar year and (ii) such smaller number of shares of common stock as determined by
the board of directors. As of December 31, 2021, the aggregate number of shares available for issuance under the 2019 Plan has been increased by
4,153,915 pursuant to this provision. Any shares that are subject to awards outstanding under the Company’s 2006 Plan and 2015 Plan as of the effective
date of the 2019 Plan that expire, lapse, or are terminated, exchanged for cash, surrendered, repurchased, or canceled without having been fully exercised or
forfeited, to the extent so unused, will become available for award grants under the 2019 Plan. As of December 31, 2021, 2,692,171 shares were available
to be issued under the 2019 Plan. The 2019 Plan had 5,991,710 stock options and 749,295 RSUs outstanding as of December 31, 2021.

Up to 525,000 shares of the Company’s common stock were initially reserved for issuance under the 2019 ESPP. The 2019 ESPP provides for an annual
increase to the number of shares available for issuance on the first day of each calendar year beginning January 1, 2020 and ending on and including
January 1, 2029 by an amount equal to the lesser of (i) 1% of the shares outstanding on the final day of the immediately preceding calendar year and (ii)
such smaller number of shares as is determined by our board of directors. As of December 31, 2021, the aggregate number of shares available for issuance
under the 2019 ESPP has been increased by 1,038,478 shares pursuant to this provision. No more than 5,250,000 shares of our common stock may be
issued under our 2019 ESPP. The purchase price of the shares under the 2019 ESPP, in the absence of a contrary designation, will be 85% of the lower of
the fair market value of our common stock on the first trading day of the offering period or on the purchase date. As of December 31, 2021, we had issued
253,115 shares under the 2019 ESPP.         As of December 31, 2021, 1,310,363 shares were available to be issued under the 2019 ESPP. The Company
recognized share-based compensation expense related to the ESPP of $0.3 million and $0.4 million during the years ended December 31, 2021 and
December 31, 2020, respectively.      

On August 9, 2021, the Company’s board of directors approved the adoption of the Precision BioSciences, Inc. 2021 Employment Inducement Incentive
Award Plan (“Inducement Award Plan”).

The Inducement Award Plan provides for the grant of non-qualified stock options, stock appreciation rights, restricted stock, restricted stock units and other
share-based awards to newly hired employees who have not previously been an employee or member of the board, or an employee who is being rehired
following a bona fide period of non-employment by the Company. The number of shares available for issuance under the Inducement Award Plan is
3,000,000 shares of Common Stock. As of December 31, 2021, 2,125,792 shares were available to be issued under the Inducement Award Plan. The
Inducement Award plan had 850,000 stock options and 24,208 restricted stock units outstanding as of December 31, 2021.

The Company recorded employee and nonemployee share-based compensation expense as follows (in thousands):

Employee
Nonemployee

Years Ended December 31,

2021

2020

  $

  $

14,963    $
1,551   
16,514    $

12,639 
1,147 
13,786

Share-based compensation expense is included in the following line items in the consolidated statements of operations (in thousands):

Research and development
General and administrative

Years Ended December 31,

2021

2020

  $

  $

9,101    $
7,413   
16,514    $

8,338 
5,448 
13,786

F-13

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Determining the appropriate fair value model to measure the fair value of the stock option grants on the date of grant and the related assumptions requires
judgment. The fair value of each stock option grant is estimated using a Black-Scholes option-pricing model on the date of grant as follows:

Estimated dividend yield
Weighted-average expected stock price volatility
Weighted-average risk-free interest rate
Expected term of options (in years)
Weighted-average fair value per option

Years Ended December 31,

2021

2020

0.00%  
73.02%  
1.07%  
6.25 
6.91 

  $

0.00%
73.70%
0.60%
6.55 
4.81

  $

The expected volatility rates are estimated based on the actual volatility of comparable public companies over the expected term. The expected term
represents the average time that stock options that vest are expected to be outstanding. The Company does not have sufficient history of exercising stock
options to estimate the expected term of employee stock options and thus utilizes a weighted value considering actual history and estimated expected term
based on the midpoint of final vest date and expiration date. The risk-free rate is based on the U.S. Treasury yield curve during the expected life of the
option.

The following table summarizes activity in the Company’s stock option plans for the years ended December 31, 2021 and December 31, 2020:

Balance as of January 1, 2020

Granted
Exercised
Forfeited/canceled

Balance as of December 31, 2020

Granted
Exercised
Forfeited/canceled

Balance as of December 31, 2021

Outstanding
Option
Shares

Weighted-
Average
Exercise Price

8,919,116   
4,011,728   
(1,411,188)  
(975,386)  
10,544,270   
2,831,025   
(1,997,700)  
(1,457,281)  
9,920,314   

7.02 
7.26 
0.49 
8.17 
7.88 
10.62 
3.40 
9.84 
9.28

The intrinsic value of stock options exercised was $15.5 million and $10.3 million during the years ended December 31, 2021 and December 31, 2020,
respectively.

During the year ended December 31, 2021, the Company granted 849,780 RSUs with a grant date fair value of $9.6 million. The fair value of each award
was determined based on the market price of the Company’s common stock on the date of grant. The fair value of the RSUs will be recognized as expense
over the requisite vesting period.

The following table summarizes the Company’s RSU activity for the year ended December 31, 2021:

Unvested RSUs as of January 1, 2021

Granted
Forfeited
Vested

Unvested RSUs as of December 31, 2021

RSU Awards

  Weighted-Average Grant Date Fair
Value

—    

849,780    $
(76,277)  

— 
773,503    $

—  
11.30 
11.34 
— 
11.29  

There was approximately $35.3 million of total unrecognized compensation cost related to unvested stock options and RSUs as of December 31, 2021,
which is expected to be recognized over a weighted-average period of 2.6 years.

F-14

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
The following table summarizes certain information about stock options granted under the stock option plans which are vested or expected to vest as of
December 31, 2021 and December 31, 2020.

Years Ended December 31,
2021
2021
2020
2020

  Expected to be exercisable
  Currently exercisable
  Expected to be exercisable
  Currently exercisable

Number of Options

9,920,314   
4,840,006   
10,544,270   
4,582,708   

Weighted-
Average
Remaining
Contractual
Life (in years)

Weighted-
Average
Exercise
Price

7.47    $
6.09    $
7.23    $
5.48    $

9.28 
8.83 
7.88 
6.69

The following table summarizes certain information about stock options outstanding under the stock option plans for the years ended December 31, 2021
and December 31, 2020, respectively:

Exercise price

Number of Options Outstanding

Weighted- Average
Remaining Life

Number of Options Exercisable

Year Ended December 31, 2021

$0.02 - $1.20
$5.67 - $6.31
$6.45 - $9.79
$10.17 - $12.52
$12.60 - $16.00

878,460   
1,330,901   
3,025,794   
2,828,331   
1,856,828   
9,920,314   

Exercise price

Number of Options Outstanding

Weighted- Average
Remaining Life

Year Ended December 31, 2020

$0.01 - $0.04
$0.41 - $1.20
$5.67 - $9.46
$10.17 - $13.80
$14.91 - $16.00

NOTE 6:

RETIREMENT PLAN

717,949   
1,472,717   
4,414,103   
3,874,957   
64,544   
10,544,270   

4.28   
8.18   
8.56   
7.36   
6.88   

0.61   
5.11   
8.75   
7.58   
4.51   

878,460 
477,574 
1,010,298 
1,237,568 
1,236,106 
4,840,006

Number of Options Exercisable

717,949 
1,364,991 
494,811 
1,954,663 
50,294 
4,582,708

In January 2011, the Company established a defined contribution 401(k) retirement savings plan (the “Retirement Plan”) to all full-time employees.
Employee contributions to the Retirement Plan can be 100% of annual compensation up to the prescribed annual maximum under the Internal Revenue
Code. Administrative fees of less than $0.1 million were paid by the Company for the years ended December 31, 2021 and December 31, 2020.

The Retirement Plan includes a safe-harbor matching employer contribution equal to 100% of participants’ deferral contributions up to 4%. The Company
made contributions of $1.0 million and $0.8 million to the Retirement Plan during the years ended December 31, 2021 and December 31, 2020,
respectively. Retirement plan contributions made by the Company are recorded to research and development expense and general and administrative
expense as incurred and are included in the consolidated statement of operations.

F-15

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
 
 
 
NOTE 7:

COMMITMENTS AND CONTINGENCIES

Litigation

The Company is subject to various legal matters and claims in the ordinary course of business. Although the results of legal proceedings and claims cannot
be predicted with certainty, in the opinion of management, there are currently no such known matters that will have a material effect on the consolidated
financial condition, results of operations or cash flows of the Company.

COVID-19 Pandemic

In March 2020, the World Health Organization designated the outbreak of the novel strain of coronavirus known as COVID-19 as a global pandemic. The
Company has taken steps in line with guidance from the CDC and the State of North Carolina to protect the health and safety of its employees and the
community.

The Company is working closely with its clinical sites, physician partners and the patient community to monitor and manage the ongoing impact of the
COVID-19 pandemic and variants thereof. The Company remains committed to its clinical programs and development plans, however, disruptions,
competing resource demands and safety concerns caused by the COVID-19 pandemic and variants thereof have caused delays in the Company’s clinical
trial site activation and impacted its ability to enroll patients. The Company may also experience other difficulties, disruptions or delays in conducting
preclinical studies, initiating, enrolling, conducting or completing its planned and ongoing clinical trials or supply chain disruptions, and the Company may
incur other unforeseen costs as a result. While the extent to which the COVID-19 pandemic and variants thereof may continue to impact the Company’s
future results will depend on future developments, the pandemic and associated economic impacts could result in a material impact to the Company’s future
financial condition, results of operations and cash flows.

Servier Program Purchase Agreement

On April 9, 2021, the Company entered into a program purchase agreement with Les Laboratoires Servier and Institut de Recherches Internationales
Servier (collectively, “Servier”), pursuant to which the Company reacquired all of its global development and commercialization rights previously granted
to Servier pursuant to the Development and Commercial License Agreement by and between Servier and the Company, dated February 24, 2016, as
amended (the “Servier Agreement”), and mutually terminated the Servier Agreement (the “Program Purchase Agreement”).

The Program Purchase Agreement requires the Company to make certain payments to Servier based on the achievement of regulatory and commercial
milestones for each product, and a low- to mid-single-digit percentage royalty (subject to certain reductions) based on net sales of approved products, if
any, resulting from any continued development and commercialization of the programs by the Company, for a period not to exceed ten years after first
commercial sale of the applicable product in the United States or certain countries in Europe. If the Company enters into specified product partnering
transactions, the Program Purchase Agreement requires the Company to pay to Servier a portion of certain consideration received pursuant to such product
partnering transactions in lieu of the foregoing milestones (with the exception of a one-time clinical phase development milestone) and royalties.

Regulatory and Commercial Milestones

Management assessed the likelihood of each of the regulatory and commercial milestones included in the Program Purchase Agreement in accordance with
ASC 450, Contingencies (“ASC 450”). If the assessment of a contingency indicates that it is probable that the milestone will be achieved and the amount of
the liability can be estimated, then the estimated liability would be accrued in the Company’s consolidated balance sheets. Accordingly, a $10.0 million
financial contract liability charged to research and development expense is included in the consolidated financial statements as of and for the year ended
December 31, 2021.

Product Partnering Transaction Consideration Due to Servier

Per the terms of the Program Purchase Agreement, should the Company enter into a product partnering transaction with respect to any of the targets
previously nominated by Servier, the Company will pay Servier a percentage of the proceeds received. In accordance with ASC 450, management
concluded that the amount of proceeds due to Servier as a result of a future product partnering transaction, if any, cannot be reasonably estimated as of the
date of this Annual Report on Form 10-K. As such, no contingency for this provision was included in the consolidated financial statements as of December
31, 2021.

F-16

 
 
Leases

The Company has operating leases for real estate in North Carolina and does not have any finance leases.

Many of the Company’s leases contain options to renew and extend lease terms and options to terminate leases early. Reflected in the right-of-use assets
and lease liabilities on the Company’s consolidated balance sheets are the periods provided by renewal and extension options that the Company is
reasonably certain to exercise, as well as the periods provided by termination options that the Company is reasonably certain to not exercise.          

The Company has existing leases that include variable lease payments that are not included in the right-of-use assets and lease liabilities and are reflected
as an expense in the period incurred. Such payments primarily include common area maintenance charges and fluctuations in rent payments that are driven
by factors such as future changes in an index (e.g. the Consumer Price Index).

The Company has existing leases in which the non-lease components (e.g., common area maintenance, consumables, etc.) are paid separately from rent
based on actual costs incurred and therefore are not included in the right-of-use assets and lease liabilities but rather reflected as an expense in the period
incurred.

The elements of lease expense were as follows:

(in thousands)
Lease Cost

Operating lease cost
Short-term lease cost
Variable lease cost

Total Lease Cost

Other Information

Operating cash flows used for operating leases
Operating lease liabilities arising from obtaining right-of-use assets

Operating Leases

Weighted average remaining lease term (in years)

Operating Leases

Weighted average discount rate

$

$

$

For the Years Ended December 31,
2020
2021

1,951 
342 
1,131 
3,424 

  $

 $

  $

2,649 
- 

1,922 
405 
926 
3,253 

2,755 
623 

3.7 

4.7 

7.8%   

7.9%

Future lease payments under non-cancelable operating leases with terms of greater than one year as of December 31, 2021, were as follows:

(in thousands)
2022
2023
2024
2025
2026
2027 and beyond
Total lease payments
Less: imputed interest
Total operating lease liabilities

Supply Agreements

December 31, 2021

2,259 
2,323 
1,594 
529 
545 
372 
7,622 
987 
6,635  

$

$

$

The Company enters into contracts in the normal course of business with CMOs for the manufacture of clinical trial materials and CROs for clinical trial
services. These agreements provide for termination at the request of either party with less than one-year notice and are, therefore, cancelable contracts and,
if canceled, are not anticipated to have a material effect on the consolidated financial condition, results of operations, or cash flows of the Company.

F-17

 
 
 
 
 
 
 
 
 
 
 
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
  
  
 
 
 
 
 
 
 
  
 
 
  
 
 
  
  
  
 
 
 
 
 
 
 
  
  
  
 
 
  
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
NOTE 8:

NET LOSS PER SHARE

The Company’s potential dilutive securities have been excluded from the computation of diluted net loss per share as the effect of inclusion would be to
reduce the net loss per share. Therefore, the weighted-average number of shares of common stock outstanding used to calculate both basic and diluted net
loss per share attributable to common stockholders is the same.

Net loss attributable to common stockholders (in thousands)
Weighted average shares outstanding - basic and diluted
Net loss per share - basic and diluted

Years Ended December 31,

2021

  $

(30,602)   $

58,688,102   
(0.52)  

2020

(109,006)
52,031,740 
(2.09)

The following weighted-average common stock equivalents were excluded from the calculation of diluted loss per share because their inclusion would have
been anti-dilutive:

Unvested Restricted Stock Units
Stock Options
Unsettled ESPP Contributions
Total common stock equivalents excluded from diluted net loss per share

NOTE 9:

DEBT

Elo Loan

Years Ended December 31,

2021

2020

430,026   
4,626,930   
12,550   
5,069,506   

— 
3,543,844 
21,466 
3,565,310

On May 19, 2021, Elo entered into the Elo Loan in the amount of $2.5 million. In connection with the Elo Loan, the Company issued warrants to PWB (the
“Warrants”). For further discussion of accounting for the Warrants, see Note 12, “Fair Value Measurements.”

The Elo Loan discount less than $0.1 million upon issuance and includes debt issuance costs incurred by the Company as well as the fair value of the
Warrants on the issuance date. On December 14, 2021, the Company repaid all outstanding principal and interest on the Elo Loan with proceeds from the
Revolving Line.

Revolving Line

Pursuant to the terms of the loan and security agreement with Pacific Western Bank (the “Revolving Line”) the Company may request advances on a
revolving line of credit of up to an aggregate principal of $30.0 million.

The Revolving Line matures on June 23, 2023. All outstanding principal amounts are due on the maturity date. The Company must also maintain an
aggregate balance of unrestricted cash at Pacific Western bank (“PWB”) (not including amounts in certain specified accounts) equal to or greater than $10.0
million. The interest rate under the Revolving Line is a variable annual rate equal to the greater of (a) 2.75% above the Prime Rate (as defined in the
Revolving Line), or (b) 6.00%. As of December 31, 2021, the stated interest rate on the Revolving line was 6.0% and the effective interest rate was 6.8%.

On December 14, 2021, the Company borrowed $2.5 million under the Revolving Line to pay all outstanding principal on the Elo Loan. The borrowing
was concluded to be a modification of the Elo Loan under ASC 470, Debt. As such, the remaining unamortized discount on the Elo Loan will be amortized
to interest expense over the life of the Revolving Line. As of December 31, 2021, no other borrowings have been made under the Revolving Line.

F-18

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
NOTE 10:

INCOME TAXES

The Company recorded no federal income tax expense and due to the operating losses incurred for the years ended December 31, 2021 and December 31,
2020. The Company recorded no state income tax expense and less than $0.1 million state income expense for the years ended December 31, 2021 and
December 31, 2020, respectively.

Significant components of the Company’s deferred tax assets and deferred tax liabilities are as follows (in thousands):

Noncurrent deferred tax assets:

Net operating loss carryforwards
Contribution carryforwards
Deferred rent
Lease liability
Deferred revenue
Other assets
Tax credits
Less: valuation allowance

Total deferred tax assets, noncurrent

Noncurrent deferred tax liability:

Property and equipment
Investments and other
Right of use asset

Total deferred tax liabilities, noncurrent
Net deferred tax assets

Years Ended December 31,

2021

2020

  $

41,162    $
48   
—   
1,526   
20,294   
11,647   
20,942   
(94,071)  
1,548   

—   
587   
961   
1,548   

  $

—    $

39,264 
39 
— 
2,336 
18,684 
5,015 
15,959 
(79,273)
2,024 

601 
— 
1,423 
2,024 
—

As of December 31, 2021 and December 31, 2020, the Company has provided a valuation allowance for the full amount of the net deferred tax assets as the
realization of the net deferred tax assets is not determined to be more likely than not. The net increase in the valuation allowance for the year ended
December 31, 2021 of $14.8 million is comprised of an increase in the valuation allowance recorded against the deferred tax assets, primarily related to tax
credits and NOL carryforwards for the year.

The reasons for the difference between actual income tax benefit for the years ended December 31, 2021 and December 31, 2020 and the amount computed
by applying the statutory federal income tax rate to losses before income tax benefit are as follows (in thousands):

Income tax expense at statutory rate
State income taxes, net of federal tax benefit
Non-deductible expenses
Stock compensation - nondeductible
R&D and orphan drug credits
Other
Change in state tax rate
Change in valuation allowance
Income tax (benefit) expense

Year Ended December 31, 2021

Year Ended December 31, 2020

Amount

% of Pre-Tax
Earnings

Amount

% of Pre-Tax
Earnings

  $

  $

(6,677)  
(634)  
121   
(2,094)  
(5,239)  
567   
(843)  
14,799   
—   

21.8%   $
2.1%  
(0.4%)  
6.8%  
17.1%  
(1.9%)  
2.8%  
(48.3%)  

0.0%   $

(22,887)  
(1,309)  
(963)  
—   
(6,869)  
7   
512   
31,532   
23   

21.0%
1.2%
0.9%
0.0%
6.3%
0.1%
(0.6%)
(28.9%)
0.0%

As of December 31, 2021, the Company had federal, state, and foreign NOL carryforwards of approximately $181.0 million, $122.2 million, and $0.4
million respectively. As of December 31, 2020, the Company had federal, state, and foreign NOL carryforwards of approximately $172.7 million, $116.5
million, and $0.6 million, respectively.

Federal NOL carryforwards of $19.7 million begin to expire in 2030 while the remaining federal NOL carryforward of $161.2 million carries forward
indefinitely. The state NOL carryforwards begin to expire in 2025. The foreign NOLs carryforward indefinitely. At December 31, 2021, the Company had
federal and state R&D tax credits of $11.4 million and an amount less than $0.1 million, which

F-19

 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
begin to expire in 2027 and 2030, respectively. At December 31, 2020, the Company had federal and state tax R&D credits of $9.9 million and an amount
less than $0.1 million which begin to expire in 2027 and 2030, respectively. As of December 31, 2021 and December 31, 2020, the Company had federal
Orphan Drug credits of $9.5 million and $6.0 million, respectively, which begin to expire in 2038. At December 31, 2021 and December 31, 2020, the
Company had federal contribution carryforwards of $0.2 million which begin to expire in 2022.

The Company incorporated a subsidiary in Australia in 2018. However, in 2021, as part of the ELO transaction, the subsidiary was transferred to New Elo.
There are no undistributed earnings as of December 31, 2021 and December 31, 2020.

The Company incorporated a subsidiary in the UK in 2019. However, the subsidiary has had minimal activity since inception. As such, there are no
undistributed earnings as of December 31, 2021 and December 31, 2020.

The Company’s ability to utilize its NOL and R&D credit carryforwards may be substantially limited due to ownership changes that may have occurred or
that could occur in the future, as required by Section 382 of the Internal Revenue Code of 1986, as amended (the Code), as well as similar state provisions.
These ownership changes may limit the amount of NOL and R&D credit carryforwards that can be utilized annually to offset future taxable income and
tax, respectively. In general, an “ownership change,” as defined by Section 382 of the Code, results from a transaction or series of transactions over a three-
year period resulting in an ownership change of more than 50 percent of the outstanding stock of a company by certain stockholders or public groups. The
Company has not completed a study to assess whether one or more ownership changes have occurred since the Company became a loss corporation under
the definition of Section 382. If the Company has experienced an ownership change, utilization of the NOL or R&D credit carryforwards would be subject
to an annual limitation, which is determined by first multiplying the value of the Company’s stock at the time of the ownership change by the applicable
long-term, tax-exempt rate, and then could be subject to additional adjustments, as required. Any such limitation may result in the expiration of a portion of
the NOL or R&D credit carryforwards before utilization. Until a study is completed and any limitation known, no amounts are being considered as an
uncertain tax position or disclosed as an unrecognized tax benefit. Any carryforwards that expire prior to utilization as a result of such limitations will be
removed from deferred tax assets with a corresponding reduction of the valuation allowance. Due to the existence of the valuation allowance, it is not
expected that any possible limitation will have an impact on the results of operations of the Company.

The Company reflects in the accompanying consolidated financial statements the benefit of positions taken in a previously filed tax return or expected to be
taken in a future tax return only if it is considered ‘more-likely-than-not’ that the position taken will be sustained by the appropriate taxing authority. As of
December 31, 2021 and December 31, 2020, the Company had no unrecognized income tax benefits. The Company’s policy for recording interest and
penalties relating to uncertain income tax positions is to record them as a component of income tax expense in the accompanying consolidated statements
of operations. As of December 31, 2021 and December 31, 2020, the Company had no such accruals.

In November 2021, North Carolina enacted the 2021 Appropriations Act, which included a gradual corporate income tax rate decrease from the current
2.5% to 0% by 2030. Due to the uncertainty of projecting income through 2030, the Company calculated, before consideration of the valuation allowance,
its North Carolina net operating losses using the current 2.5% rate which is in effect through 2024. The Company will continue to monitor its future North
Carolina taxable income and its ability to utilize its deferred tax asset for its net operating loss carryover. If the Company does not become profitable in
North Carolina prior to 2025, or it becomes more certain that the Company will not be able to utilize its North Carolina net operating losses before the tax
rate drops to 0%, the Company will then remeasure its deferred tax asset at that time.

The TCJA of 2017 subjects a U.S. shareholder to tax on global intangible low-taxed income (“GILTI”) earned by certain foreign subsidiaries. The FASB
Staff Q&A, Topic 740, No. 5, Accounting for Global Intangible Low-Taxed Income, states that an entity can make an accounting policy election to either
recognized deferred taxes for temporary basis differences expected to reverse as GILTI in future years or to provide for the tax expense related to GILTI in
the year the tax is incurred as a period expense only. The Company has elected to account for GILTI in the year the tax is incurred. The Company does not
have a GILTI inclusion in years ends December 31, 2021 or December 31, 2020 and therefore, no GILTI tax has been recorded for the years then ended.

NOTE 11:

Elo Transaction

On December 17, 2021, the Company and its wholly owned subsidiary, Elo Life Systems, Inc., entered into an agreement pursuant to which the Company
contributed substantially all of the assets of the Company’s food segment to New Elo. In connection with the contribution, the Company also granted New
Elo an exclusive license to certain of the Company’s intellectual property for use in non-medical applications with respect to plants, farm animals and
certain other organisms. In addition, all of the Company’s employees in its Food segment, including its management, became employees of New Elo.

Promissory Note

F-20

 
 
 
 
 
 
 
 
 
As partial consideration for the assets contributed and license granted by the Company to New Elo, the Company received a $10.0 million promissory note
payable from New Elo (the “Note”). The Note matures on the earlier of (i) December 1, 2028 or (ii) a Deemed Liquidation Event (as defined in the New
Elo’s Amended and Restated Certificate of Incorporation). The Note accrues interest at 2.00% per annum, and is payable annually on December 17th.

At acquisition, the Company classified the Note as held-to-maturity as it was concluded the Company has the intent and ability to hold the Note to its
maturity date. As the Elo Transaction was concluded to be a nonmonetary transaction per ASC 845, Nonmonetary Transactions, the Note was initially
recorded at fair value, as the fair value of the Note was deemed more clearly evident than the fair value of the assets surrendered. The fair value was
determined by discounting the future cash flows using the market interest rate of similar debt as of the date of the Elo Transaction.

The fair value of the Note at acquisition was $6.9 million. The note discount of $3.1 million will be amortized to interest income over the life of the Note.

Investment in New Elo

As partial consideration for the assets contributed and license granted by the Company to New Elo, the Company received Common Stock in New Elo. It
was determined that the noncontrolling shareholders of New Elo have substantive rights to participate in the financial and operating decisions of New Elo.
As such, it was determined that the Company does not possess control over New Elo or have significant decision-making authority. Accordingly, New Elo
will not be consolidated in the Company’s financial statements.

However, as the Company obtained approximately 55% of the voting shares in New Elo, it was determined that the Company possesses the ability to
exercise significant influence over the operating and financial policies of New Elo. As such, the Company accounts for its investment in New Elo under the
equity method. Per ASC 323, Investments—Equity Method and Joint Ventures, upon the transfer of a subsidiary or group of assets that is a business
accounted for under the equity method, the initial carrying value should be recorded based upon the fair value as of the transaction date. As such, the initial
carrying value of the Company’s investment in New Elo was determined to be the fair value of the Company’s common stock in New Elo as of December
17, 2021, the transaction date. 

The Company’s proportionate share of New Elo’s net income for the period of December 18, 2021 to December 31, 2021 was $0.2 million, resulting in an
increase in the carrying value of the Investment in New Elo and corresponding income from equity method investments.

Gain on Deconsolidation of Subsidiary

The gain on deconsolidation of subsidiary was determined based on the difference between the $4.4 million book value of the net assets that the Company
contributed to New Elo and the $10.4 million combined fair value of the Note and the Company’s ownership in New Elo as of December 17, 2021.

NOTE 12:

FAIR VALUE MEASUREMENTS

The carrying amounts of the Company’s financial instruments, including accounts receivable, accounts payable, and accrued expenses and other current
liabilities, approximate their respective fair values due to their short-term nature. The Company uses a three-tier fair value hierarchy to classify and disclose
all assets and liabilities measured at fair value on a recurring basis and to minimize the use of unobservable inputs when determining their fair value. The
three tiers are defined as follows:

Level 1—Observable inputs based on unadjusted quoted prices in active markets for identical assets or liabilities

Level 2—Inputs, other than quoted prices in active markets, that are observable either directly or indirectly

Level 3—Unobservable inputs for which there is little or no market data, which require the Company to develop its own assumptions

Cash Equivalents

As of December 31, 2021 and December 31, 2020, the Company held an insignificant amount of cash equivalents which were composed of investments in
money market funds. The Company classifies investments in money market funds within Level 1 of the fair value hierarchy as the prices are available from
quoted prices in active markets.

F-21

 
 
Investment in iECURE

In August 2021, the Company entered into an Equity Issuance Agreement with iECURE, pursuant to which iECURE granted the Company partial equity
ownership in iECURE (the “iECURE equity”) as partial consideration for a license to the Company’s PCSK9-directed ARCUS nuclease to develop gene-
insertion therapies for four other rare genetic diseases, including OTC deficiency, Citrullinemia Type 1, PKU, and another program focused on liver disease
(the “PCSK9 license”). On issuance, the Company accounted for the iECURE equity at fair value under ASC 825. Accordingly, the Company adjusts the
carrying value of the iECURE equity to fair value each reporting period with any changes in fair value recorded to other income (expense).

The Company classifies the iECURE equity within Level 3 of the fair value hierarchy as the assessed fair value was based on significant unobservable
inputs given iECURE equity is not traded on a public exchange. For additional discussion of accounting for the Company’s Development and License
agreement with iECURE and the Equity Issuance Agreement, refer to Note 13, “Collaboration and License Agreements.”

Warrant Liability

In connection with the Elo Loan, the Company issued $50,000 of warrants to PWB on May 19, 2021 (the “Warrants”). The Company accounted for the
Warrants in accordance with the guidance contained in ASC 815, under which the Warrants do not meet the criteria for equity treatment and are recorded as
a liability. Accordingly, the Company classified the Warrants as a non-current liability at their fair value and adjusted the warrant liability to fair value each
reporting period with any changes in fair value recognized in the statement of operations. The Company utilized the Black-Scholes option pricing model to
value the warrant liability each reporting period and recorded changes in value to other income (expense).

Upon the closing of the Elo Transaction, the Warrants transferred to New Elo. Accordingly, the warrant liability was marked to fair value as of December
17, 2021 and included in the book value of net assets transferred to New Elo upon deconsolidation.

The following represents assets measured at fair value on a recurring basis by the Company (in thousands):

December 31, 2021

Money market funds
Investment in iECURE

December 31, 2020
Assets:

Money market funds

Fair Value

Level 1

Level 2

Level 3

12    $

3,091   
3,103 

 $

12    $
—   
12 

 $

—    $
—   
— 

 $

— 
3,091 
3,091

Fair Value

Level 1

Level 2

Level 3

10    $
10    $

10    $
10    $

—    $
—    $

— 
—

  $

  $

  $
  $

The following represents a reconciliation of assets measured and carried at fair value on a recurring basis with the use of significant unobservable inputs
(Level 3) for the year ended December 31, 2021 (in thousands):

Balance December 31, 2020
Acquisitions
Gains included in earnings
Dispositions
Balance December 31, 2021

Investment in iECURE

$

$  

— 
538 
2,553 
— 
3,091  

The following represents a reconciliation of liabilities measured and carried at fair value on a recurring basis with the use of significant unobservable inputs
(Level 3) for the year ended December 31, 2021 (in thousands):

Balance December 31, 2020
Acquisitions
Gains included in earnings
Dispositions
Balance December 31, 2021

F-22

Warrant Liability

— 
(30)
2 
28 
—  

$

$

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
    
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
NOTE 13:

COLLABORATION AND LICENSE AGREEMENTS

Development and License Agreement with Eli Lilly

On November 19, 2020, the Company, entered into the Development and License Agreement with Lilly to collaborate to discover and develop in vivo gene
editing products incorporating the Company’s ARCUS nucleases. Lilly has initially nominated Duchenne muscular dystrophy, a liver-directed target and a
CNS directed target. Under the terms of the Development and License Agreement, Lilly has the right to nominate up to three additional gene targets for
genetic disorders over the Nomination Period. Lilly may extend the Nomination Period for an additional two years from the date on which such initial
Nomination Period ends, upon Lilly’s election and payment of an extension fee. Additionally, under the terms of the Development and License Agreement,
Lilly has the option to replace up to two gene targets upon Lilly’s election and payment of a replacement target fee. Under the terms of the Development
and License Agreement, Lilly will receive an exclusive license to research, develop, manufacture and commercialize the resulting licensed products to
diagnose, prevent and treat any and all diseases by in vivo gene editing directed against the applicable gene target. The Development and License
Agreement provides that the Company will be responsible for conducting certain pre-clinical research and investigational new drug application (“IND”)
enabling activities with respect to the gene targets nominated by Lilly to be subject to the collaboration, including manufacture of initial clinical trial
material for the first licensed product. Lilly will be responsible for, and must use commercially reasonable efforts with respect to, conducting clinical
development and commercialization activities for licensed products resulting from the collaboration, and may engage the Company for additional clinical
and/or initial commercial manufacture of licensed products.

Upon closing of the Development and License Agreement on January 6, 2021, the Company received an upfront cash payment of $100.0 million. The
Company will also be eligible to receive milestone payments of up to an aggregate of $420.0 million per licensed product as well as nomination fees for
additional targets and certain research funding. If licensed products resulting from the collaboration are approved and sold, the Company will also be
entitled to receive tiered royalties ranging from the mid-single digit percentages to the low-teens percentages on world-wide net sales of the licensed
products, subject to customary potential reductions. Lilly’s obligation to pay royalties to the Company expires on a country-by-country and licensed
product-by-licensed product basis, upon the latest to occur of certain events related to expiration of patents, regulatory exclusivity or a period of ten years
following first commercial sale of the licensed product. Simultaneously with the entry into the Development and License Agreement, the Company and
Lilly entered into a Share Purchase Agreement (the “Share Purchase Agreement”), pursuant to which Lilly purchased 3,762,190 shares of the Company’s
common stock for a purchase price of $35.0 million. Management concluded that the Lilly Share Purchase Agreement is to be combined with the
Development and License Agreement (together, the “Combined Agreements”) for accounting purposes. Of the total $135.0 million upfront compensation,
the Company applied equity accounting guidance to measure the $27.7 million recorded in equity upon the issuance of the shares, and $107.3 million was
identified as the transaction price allocated to the revenue arrangement.

The Company assessed this arrangement in accordance with ASC 606 and concluded that the promises in the agreement represent transactions with a
customer. The Company has determined that the promises associated with the research and development activities for each of the targets are not distinct
because they are all based on the ARCUS proprietary genome editing platform. The Company has concluded that the agreement with Lilly contains the
following promises: (i) license of intellectual property; (ii) performance of R&D services, (iii) the manufacture of pre-clinical supply, (iv) Joint Steering
Committee (“JSC”) Participation, and (v) regulatory responsibilities. The Company determined that the license of intellectual property, R&D services,
manufacture of pre-clinical development material, and regulatory responsibilities were not distinct from each other, as the license, R&D services, pre-
clinical supply, and regulatory responsibilities are highly interdependent upon one another. The JSC participation was determined to be an immaterial
promise as the time commitment and related cost associated with performance of JSC participation is expected to be inconsequential to the total
consideration in the contract. As such, the Company determined that these promises should be combined into a single performance obligation.

The Company recognizes revenue from the $100.0 million upfront cash payment, $7.3 million allocated to the transaction price from the Stock Purchase
Agreement, and variable consideration on an input method in the form of research effort relative to expected research effort at the completion of the
performance obligation, which is based on the actual time of R&D activities performed relative to expected time to be incurred in the future to satisfy the
performance obligation. Management evaluates and adjusts the total expected research effort for the performance obligation on a quarterly basis based
upon actual research progress to date relative to research progress forecasts. The transfer of control occurs over this time period and, in management’s
judgment, is the best measure of progress towards satisfying the performance obligation.

During the year ended December 31, 2021, the Company recognized revenue under the agreement with Lilly of approximately $21.0 million. The
Company recognized no revenue under the agreement with Lilly during the year ended December 31, 2020. Deferred

F-23

 
 
 
 
revenue related to the agreement with Lilly amounted to $88.3 million as of December 31, 2021, of which $21.2 million was included in current liabilities.
No deferred revenue related to the Development and License Agreement with Lilly was recorded as of December 31, 2020.

Development and License Agreement with iECURE

In August 2021, the Company entered into a development and license agreement with iECURE under which iECURE plans to advance the Company’s
PBGENE-PCSK9 candidate through a Phase 1 clinical trial as partial consideration for the PCSK9 License.

Pursuant to the iECURE Agreement, the Company retains the rights to PBGENE-PCSK9, including all products developed for indications with increased
risk of severe cardiovascular events such as Familial Hypercholesterolemia. Simultaneously with the entry into the iECURE Agreement, the Company and
iECURE entered into an Equity Issuance Agreement, pursuant to which iECURE granted the Company partial equity ownership in iECURE as partial
consideration for the license to use its PCSK9-directed ARCUS nuclease. Management concluded that the iECURE Equity Issuance Agreement is to be
combined with the development and license agreement with iECURE for accounting purposes. Additionally, the Company is eligible to receive milestone
and mid-single digit to low double digit royalty payments on sales of iECURE products developed with ARCUS.

The Company assessed the iECURE Agreements in accordance with ASC 606 and concluded that the promises in the iECURE Agreements represent a
transaction with a customer. The Company has concluded that the iECURE Agreements contain the following promises: (i) the PCSK9 license and (ii) JSC
Participation. The JSC participation was determined to be an immaterial promise as the time commitment and related cost associated with performance of
JSC participation is expected to be inconsequential to the total consideration in the contract. Accordingly, the Company concluded that the promise of the
PCSK9 license is the sole performance obligation in the iECURE Agreements.

The fair value of the iECURE equity and the estimated fair value of the costs to be incurred by iECURE to progress the Company’s PBGENE-PCSK9
candidate through Phase 1 studies were concluded to be non-cash consideration, and as such were included in the transaction price of the iECURE
Agreements. The Company concluded the PCSK9 license represents functional intellectual property in accordance with ASC 606 given the Company will
not be providing any additional services to iECURE outside of the right to use the PCSK9 license. Therefore, the fair value of the iECURE equity and the
fair value of the costs to be incurred by iECURE to progress the Company’s PBGENE-PCSK9 candidate through a Phase 1 clinical trial was recognized at
the inception of the iECURE Agreements.

The fair value of the iECURE equity at inception of the iECURE agreements was assessed to be $0.5 million and was initially recorded to the investment in
equity securities line item of the consolidated balance sheets. As further discussed in Note 12, “Fair Value Measurements,” on issuance, Management
elected to account for the iECURE equity at fair value under ASC 825. Accordingly, the Company adjusts the carrying value of the iECURE equity to fair
value each reporting period with any changes in fair value recorded to other income (expense). The fair value of the costs to be incurred by iECURE to
progress the Company’s PBGENE-PCSK9 candidate through a Phase 1 clinical trial (the “PCSK9 Prepaid”) was assessed to be $17.4 million and was
recorded to the prepaid expenses and other assets line items of the consolidated balance sheets. The PCSK9 Prepaid is amortized to research and
development expense on a pro-rata basis as iECURE incurs costs to progress the PBGENE-PCSK9 candidate through a Phase 1 clinical trial.

During the year ended December 31, 2021, the Company recognized revenue under the iECURE agreements of $17.9 million and $4.4 million of research
and development expense related to amortization of the PCSK9 Prepaid. As of December 31, 2021, the remaining balance of the PCSK9 Prepaid was $13.0
million, which is included in the prepaid expenses and other assets line items of the consolidated balance sheets in the amounts of $10.4 million and $2.6
million, respectively.

Development and Commercial License Agreement with Servier

The Company has developed certain allogeneic CAR T candidates, including PBCAR0191 and the stealth cell PBCAR19B, each targeting CD19, as well
as four additional product targets under the Servier Agreement.  Pursuant to the terms of the Program Purchase Agreement, the Company regained full
global rights to research, develop, manufacture and commercialize products resulting from such programs, with sole control over all activities.
Additionally, per the terms of the Program Purchase Agreement the Company does not have an obligation to continue development of the Servier Targets.
With respect to products directed to CD19, Servier has certain rights of negotiation, which may be exercised during a specified time period if the Company
elects to initiate a process or entertain third party offers for partnering such products.

Pursuant to the terms of the Program Purchase Agreement, the Company made a payment of $1.25 million in cash to Servier and agreed to waive earned
milestones totaling $18.75 million that would have been otherwise payable to the Company. The $1.25 million cash payment to Servier is classified as
research and development expense in the consolidated statement of operations for the year

F-24

 
 
 
ended December 31, 2021. The waiver of earned milestones resulted in a $18.75 million reduction in accounts receivable and deferred revenue.

The Program Purchase Agreement also requires the Company to make certain payments to Servier based on the achievement of regulatory and commercial
milestones for each product, and a low- to mid-single-digit percentage royalty (subject to certain reductions) based on net sales of approved products, if
any, resulting from any continued development and commercialization of the programs by the Company, for a period not to exceed ten years after first
commercial sale of the applicable product in the United States or certain countries in Europe. If the Company enters into specified product partnering
transactions, the Program Purchase Agreement requires the Company to pay to Servier a portion of certain consideration received pursuant to such product
partnering transactions in lieu of the foregoing milestones (with the exception of a one-time clinical phase development milestone) and royalties. For
additional discussion of accounting for payment obligations arising from the Program Purchase Agreement, refer to Note 7, “Commitments and
Contingencies.”

Upon the closing of the Program Purchase Agreement, management concluded that the combined performance obligation associated with the Servier
Agreement was fully satisfied as the Company is no longer required to perform research and development work on the Servier targets and the Company
regained all of its global development and commercialization rights previously granted to under the Servier Agreement. Accordingly, all remaining
deferred revenue related to the Servier agreement was recognized as revenue in the year ended December 31, 2021.

During the year ended December 31, 2021 and 2020, the Company recognized revenue under the agreement with Servier of approximately $72.9 million
and $18.0 million, respectively. The Company did not have deferred revenue related to the agreement with Servier as of December 31, 2021. Deferred
revenue related to the agreement with Servier amounted to $82.9 million as of December 31, 2020, of which $28.9 million was included in current
liabilities.

Collaboration and License Agreement with Gilead

On July 6, 2020, Gilead notified the Company of its termination of the Gilead Agreement. Pursuant to the termination notice, the Gilead Agreement
terminated on September 4, 2020, upon which the Company regained full rights and all data it generated for the in vivo chronic HBV program developed
under the Gilead Agreement.

Revenue associated with the combined performance obligation was recognized on a straight-line basis as the R&D services were provided through the
Termination Notice Date. During the years ended December 31, 2021 and 2020, the Company recognized no revenue and approximately $3.9 million of
revenue under the Gilead Agreement, respectively. The Company did not have deferred revenue related to the Gilead Agreement as of December 31, 2021
or December 31, 2020. No development or sales-based milestone payments were received under the Gilead Agreement.

NOTE 14:

SEGMENT REPORTING

The Company has determined that the Chief Executive Officer (“CEO”) is the Company’s chief operating decision maker (“CODM”) as the CEO makes
decisions as it relates to allocation of resources and key market strategies. Prior to the Elo Transaction, the CODM reviewed financial results disaggregated
by our therapeutics and food businesses. As such, prior to December 18, 2021, the Company operated in two reportable segments: Therapeutics and Food.
The legacy Therapeutics segment included our development of products in the field of immuno-oncology and of novel products outside immuno-oncology
to treat human diseases. The legacy Food segment focused on applying ARCUS to develop food and nutrition products through collaboration agreements
with consumer-facing companies.

Following the Elo Transaction on December 17, 2021, in which the Company contributed substantially all of the assets of the Food segment to a newly
formed entity, the CODM now reviews financial information presented on a consolidated basis and resource allocation and key market strategy decisions
are made by the CODM based on consolidated results.

As such, the Company has concluded that following the Elo Transaction on December 17, 2021, the Company now operates as one segment. Given the
Company was managed under the legacy segment structure of Therapeutics and Food for the majority of the year ended December 31, 2021, segment
results for both Therapeutics and Food have been presented in this Annual Report on Form 10-K.  

Segment operating income (loss) is derived by deducting operational cash expenditures, net, from GAAP revenue. Operational cash expenditures are cash
disbursements made that are directly attributable to the reportable segment (including directly attributable research and development and property,
equipment, and software expenditures). The reportable segment operational cash expenditures

F-25

 
 
include cash disbursements for compensation, laboratory supplies, purchases of property, equipment and software and procuring services from CROs,
CMOs and research organizations.

Certain cost items are not allocated to the Company’s reportable segments. These cost items primarily consist of compensation and general operational
expenses associated with the Company’s executive, business development, finance, operations, human resources and legal functions. The Company does
not allocate non-cash income statement amounts to its reportable segments, such as share based compensation, depreciation and amortization, intangible
asset impairment charges, non-cash interest expense and losses on the disposal of assets. When reconciling segment operating loss to consolidated loss
from operations, the Company makes an adjustment to convert the cash expenditures to the accrual basis to reflect GAAP.

All segment revenue is earned in the United States and there are no intersegment revenues. Additionally, the Company reports assets on a consolidated
basis and does not allocate assets to its reportable segments for purposes of assessing segment performance or allocating resources.

Presented below is the financial information with respect to the Company’s reportable segments:

(in thousands)
Revenue:
Therapeutics
Food

Total segment revenue

Segment operational cash expenditures:
Therapeutics
Food

Total segment operational cash expenditures

Segment operating income (loss):
Therapeutics
Food

Total segment operating income (loss)

Adjustments to reconcile segment operating loss to consolidated loss from operations

Corporate general and administrative cash expenditures
Interest income received included in segment operating loss
Depreciation and amortization
Share-based compensation
Loss on disposal of assets
Non-cash interest expense
Amortization of right-of-use assets
Adjustments to reconcile cash expenditures to GAAP expenses

Total consolidated loss from operations

F-26

For the Years Ended December 31,
2020
2021

111,723    $
3,806   
115,529   

79,746    $
7,635   
87,381   

31,977    $
(3,829)  
28,148    $

(33,096)   $
(186)  
(8,981)  
(16,514)  
(26)  
(59)  
(1,216)  
(7,472)  
(39,402)   $

21,863 
2,422 
24,285 

71,841 
7,587 
79,428 

(49,978)
(5,165)
(55,143)

(30,090)
(822)
(8,777)
(13,786)
35 
- 
(1,036)
(209)
(109,828)

  $

  $

  $

  $

  $

  $

 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
DESCRIPTION OF THE REGISTRANT’S SECURITIES 
REGISTERED PURSUANT TO SECTION 12 OF THE 
SECURITIES EXCHANGE ACT OF 1934, AS AMENDED

Exhibit 4.5

As of December 31, 2021, Precision BioSciences, Inc. had one class of securities registered under Section 12 of the Securities Exchange Act of
1934, as amended (the “Exchange Act”). References herein to “we,” “us,” “our” and the “Company” refer to Precision BioSciences, Inc. and not to any of
its subsidiaries.

The following description of our common stock and certain provisions of our amended and restated certificate of incorporation and amended
and restated bylaws are summaries and are qualified in their entirety by reference to the full text of our amended and restated certificate of incorporation
and our amended and restated bylaws, each of which have been publicly filed with the Securities and Exchange Commission (the “SEC”).  We encourage
you to read our amended and restated certificate of incorporation and our amended and restated bylaws and the applicable provisions of the Delaware
General Corporation Law (the “DGCL”) for additional information.

Authorized Capital Stock

Our authorized capital stock consists of 200,000,000 shares of common stock, par value $0.000005 per share, and 10,000,000 shares of

preferred stock, par value $0.0001 per share, all of which are undesignated.

Common Stock

Holders of our common stock are entitled to one vote for each share held on all matters submitted to a vote of stockholders and do not have

cumulative voting rights. An election of directors by our stockholders shall be determined by a plurality of the votes cast. All other elections and questions
presented to the stockholders shall be decided by the affirmative vote of the holders of a majority in voting power of the votes cast affirmatively or
negatively (excluding abstentions) at the meeting by the holders entitled to vote thereon. Holders of common stock are entitled to receive proportionately
any dividends as may be declared by our board of directors, subject to any preferential dividend rights of any series of preferred stock that we may
designate and issue in the future.

In the event of our liquidation or dissolution, the holders of our common stock are entitled to receive proportionately our net assets available for

distribution to stockholders after the payment of all debts and other liabilities and subject to the prior rights of any outstanding preferred stock. Holders of
our common stock have no preemptive, subscription, redemption or conversion rights. Our outstanding shares of common stock are, and the shares offered
by us in this offering will be, when issued and paid for, validly issued, fully paid and nonassessable. The rights, preferences and privileges of holders of
common stock are subject to and may be adversely affected by the rights of the holders of shares of any series of preferred stock that we may designate and
issue in the future.

Preferred Stock

Under the terms of our amended and restated certificate of incorporation, our board of directors is authorized to direct us to issue shares of

preferred stock in one or more series without stockholder approval. Our board of directors has the discretion to determine the rights, preferences, privileges
and restrictions, including voting rights, dividend rights, conversion rights, redemption privileges and liquidation preferences, of each series of preferred
stock.

The issuance of preferred stock, while providing flexibility in connection with possible acquisitions, future financings and other corporate

purposes, could have the effect of making it more difficult for a third‑party to acquire, or could discourage a third‑party from seeking to acquire, a majority
of our outstanding voting stock.

Anti‑takeover Provisions

Some provisions of Delaware law and our amended and restated certificate of incorporation and our amended and restated bylaws could make
the following transactions more difficult: an acquisition of us by means of a tender offer; an acquisition of us by means of a proxy contest or otherwise; or
the removal of our incumbent officers and directors. It is possible that these provisions could make it more difficult to accomplish or could deter

transactions that stockholders may otherwise consider to be in their best interests or in our best interests, including transactions that provide for payment of
a premium over the market price for our shares.

Undesignated Preferred Stock

The ability of our board of directors, without action by our stockholders, to issue up to 10,000,000 shares of undesignated preferred stock with

voting or other rights or preferences as designated by our board of directors could impede the success of any attempt to effect a change in control of the
Company. These and other provisions may have the effect of deferring hostile takeovers or delaying changes in control or management of the Company.

Stockholder Meetings

Our amended and restated bylaws provide that a special meeting of stockholders may be called only by the chairman of our board of directors,

our chief executive officer or president (in the absence of a chief executive officer), or by a resolution adopted by a majority of our board of directors.

Requirements for Advance Notification of Stockholder Nominations and Proposals

Our amended and restated bylaws establish advance notice procedures with respect to stockholder proposals to be brought before a stockholder

meeting and the nomination of candidates for election as directors, other than nominations made by or at the direction of our board of directors or a
committee of our board of directors.

Elimination of Stockholder Action by Written Consent

Our amended and restated certificate of incorporation eliminates the right of stockholders to act by written consent without a meeting.

Staggered Board

In accordance with our amended and restated certificate of incorporation, our board of directors is divided into three classes. The directors in

each class serve for a three‑year term, with one class being elected each year by our stockholders. Our amended and restated certificate of incorporation and
amended and restated bylaws provide that the authorized number of directors may be changed only by resolution of the board of directors. Any additional
directorships resulting from an increase in the number of directors will be distributed among the three classes so that, as nearly as possible, each class will
consist of one‑third of the directors. This system of electing and removing directors may delay or prevent a change of our management or a change in
control of our company and may tend to discourage a third party from making a tender offer or otherwise attempting to obtain control of us, because it
generally makes it more difficult for stockholders to replace a majority of the directors.

Removal of Directors

Our amended and restated certificate of incorporation provides that no member of our board of directors may be removed from office by our
stockholders except for cause and, in addition to any other vote required by law, upon the approval of the holders of at least two‑thirds in voting power of
the outstanding shares of stock entitled to vote in the election of directors.

Stockholders not Entitled to Cumulative Voting

Our amended and restated certificate of incorporation does not permit stockholders to cumulate their votes in the election of directors.
Accordingly, the holders of a majority of the shares of our common stock entitled to vote in any election of directors will be able to elect all of the directors
standing for election, if they choose, other than any directors that holders of our convertible preferred stock may be entitled to elect.

Choice of Forum

Our amended and restated certificate of incorporation provides that, unless we consent in writing to the selection of an alternative forum to the

fullest extent permitted by law, the Court of Chancery of the State of

Delaware will be the sole and exclusive forum for (1) any derivative action or proceeding brought on our behalf, (2) any action asserting a claim of breach
of a fiduciary duty or other wrongdoing by any of our directors, officers, employees or agents to us or our stockholders, (3) any action asserting a claim
against us arising pursuant to any provision of the General Corporation Law of the State of Delaware or our certificate of incorporation or bylaws, or
(4) any action asserting a claim governed by the internal affairs doctrine. Under our amended and restated certificate of incorporation, this exclusive forum
provision does not apply to claims which are vested in the exclusive jurisdiction of a court or forum other than the Court of Chancery of the State of
Delaware, or for which the Court of Chancery of the State of Delaware does not have subject matter jurisdiction. For instance, the provision would not
apply to actions brought to enforce any liability or duty created by the Exchange Act or the rules and regulations thereunder. Our amended and restated
certificate of incorporation also provides that any person or entity holding, purchasing or otherwise acquiring any interest in shares of our capital stock will
be deemed to have notice of and to have consented to this choice of forum provision. It is possible that a court of law could rule that the choice of forum
provision contained in our amended and restated certificate of incorporation is inapplicable or unenforceable if it is challenged in a proceeding or
otherwise.

Our amended and restated bylaws provide that, unless the Corporation consents in writing to the selection of an alternative forum, to the fullest
extent permitted by law, the federal district courts of the United States of America shall be the exclusive forum for the resolution of any complaint asserting
a cause of action arising under the Securities Act of 1933, as amended, and that any person or entity purchasing or otherwise acquiring or holding any
interest in shares of capital stock of the Corporation shall be deemed to have notice of and consented to such provision.

Amendment of Charter Provisions

The amendment of any of the above provisions, except for the provision making it possible for our board of directors to issue preferred stock

and the provision prohibiting cumulative voting, would require approval by holders of at least two‑thirds in voting power of the outstanding shares of stock
entitled to vote thereon.

Section 203 of the Delaware General Corporation Law

We are subject to Section 203 of the General Corporation Law of the State of Delaware (the “DGCL”), which prohibits persons deemed to be

“interested stockholders” from engaging in a “business combination” with a publicly held Delaware corporation for three years following the date these
persons become interested stockholders unless the business combination is, or the transaction in which the person became an interested stockholder was,
approved in a prescribed manner or another prescribed exception applies. Generally, an “interested stockholder” is a person who, together with affiliates
and associates, owns, or within three years prior to the determination of interested stockholder status did own, 15% or more of a corporation’s voting stock.
Generally, a “business combination” includes a merger, asset or stock sale, or other transaction resulting in a financial benefit to the interested stockholder.
The existence of this provision may have an anti‑takeover effect with respect to transactions not approved in advance by our board of directors.

 
 
Certain information marked as [***] has been excluded from this exhibit because it is both (i) not material and (ii) would be competitively harmful if
publicly disclosed.

Exhibit 10.1

PRECISION BIOSCIENCES, INC.

ELO LIFE SYSTEMS, INC.

LOAN AND SECURITY AGREEMENT

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
This LOAN AND SECURITY AGREEMENT (the “Agreement”) is entered into as of May 15, 2019, by and between PACIFIC
WESTERN BANK, a California state chartered bank (“Bank”) and PRECISION BIOSCIENCES, INC., a Delaware corporation
(“Parent”),  and  ELO  LIFE  SYSTEMS,  INC.,  a  Delaware  corporation  (“ELO”  and  together  with  Parent,  individually  and
collectively, jointly and severally, “Borrower”).

RECITALS

Borrower wishes to obtain credit from time to time from Bank, and Bank desires to extend credit to Borrower.  This Agreement
sets forth the terms on which Bank will advance credit to Borrower, and Borrower will repay the amounts owing to Bank.

The parties agree as follows:

1.

DEFINITIONS AND CONSTRUCTION.

AGREEMENT

Exhibit A.  Any term used in the Code and not defined herein shall have the meaning given to the term in the Code.

1.1

Definitions.  As used in this Agreement, all capitalized terms shall have the definitions set forth on

Accounting Terms.  Any accounting term not specifically defined on Exhibit A shall be construed
in accordance with GAAP and all calculations shall be made in accordance with GAAP (except for non-compliance with FAS
123R in monthly reporting).  The term “financial statements” shall include the accompanying notes and schedules.

1.2

2.

LOAN AND TERMS OF PAYMENT.

2.1

Credit Extensions.

Promise  to  Pay.    Borrower  promises  to  pay  to  Bank,  in  lawful  money  of  the  United
States  of  America,  the  aggregate  unpaid  principal  amount  of  all  Credit  Extensions  made  by  Bank  to  Borrower,  together  with
interest on the unpaid principal amount of such Credit Extensions at rates in accordance with the terms hereof.

(a)

(b)

Advances Under Revolving Line.

Amount.    Subject  to  and  upon  the  terms  and  conditions  of  this  Agreement,
Borrower  may  request  Advances  in  an  aggregate  outstanding  principal  amount  not  to  exceed  the  Revolving  Line.  Amounts
borrowed  pursuant  to  this  Section  2.1(b)  may  be  repaid  and  reborrowed  at  any  time  prior  to  the  Revolving  Maturity  Date,  at
which time all Advances under this Section 2.1(b) shall be immediately due and payable. Borrower may prepay any Advances
without penalty or premium at any time.

(i)

Form  of  Request.    Whenever  Borrower  desires  an  Advance,  Borrower  will
notify Bank (which notice shall be irrevocable) by facsimile transmission or email no later than 3:30 p.m. Eastern time (2:30 p.m.
Eastern time for wire transfers), on the Business

(ii)

1.

 
 
 
Day  that  the  Advance  is  to  be  made.    Each  such  notification  shall  be  given  by  a  Loan  Advance/Paydown  Request  Form  in
substantially  the  form  of  Exhibit  C.    Bank  is  authorized  to  make  Advances  under  this  Agreement,  based  upon  instructions
received  from  an  Authorized  Officer,  or  without  instructions  if  in  Bank’s  discretion  such  Advances  are  necessary  to  meet
Obligations which have become due and remain unpaid.  Bank shall be entitled to rely on any notice given by a person whom
Bank reasonably believes to be an Authorized Officer, and Borrower shall indemnify and hold Bank harmless for any damages,
loss, costs and expenses suffered by Bank as a result of such reliance.  Bank will credit the amount of Advances made under this
Section 2.1(b) to Borrower’s deposit account.

(c)

Usage of Credit Card Services Under the Credit Card Line.

Usage  Period.    Subject  to  and  upon  the  terms  and  conditions  of  this
Agreement,  at  any  time  from  the  Closing  Date  through  the  Credit  Card  Maturity  Date,  Borrower  may  use  the  Credit  Card
Services (as defined below) in amounts and upon terms as provided in Section 2.1(c)(ii) below.

(i)

(ii)

Credit Card Services.  Subject to and upon the terms and conditions of this
Agreement,  Borrower  may  request  corporate  credit  cards  and  standard  and  e-commerce  merchant  account  services  from  Bank
(collectively, the “Credit Card Services”). The aggregate limit of the corporate credit cards and merchant credit card processing
reserves shall not exceed the Credit Card Line.  The terms and conditions (including repayment and fees) of such Credit Card
Services shall be subject to the terms and conditions of Bank’s standard forms of application and agreement for the Credit Card
Services, which Borrower hereby agrees to execute.

(iii)

Collateralization of Obligations Extending Beyond Maturity.  If Borrower
has not cash secured its obligations with respect to any Credit Card Services by the Credit Card Maturity Date, then, effective as
of such date, the balance in any deposit accounts held by Bank and the certificates of deposit or time deposit accounts issued by
Bank in Borrower’s name (and any interest paid thereon or proceeds thereof, including any amounts payable upon the maturity or
liquidation of such certificates or accounts), shall automatically secure such obligations to the extent of the then continuing or
outstanding Credit Card Services.  Borrower authorizes Bank to hold such balances in pledge and to decline to honor any drafts
thereon or any requests by Borrower or any other Person to pay or otherwise transfer any part of such balances for so long as the
applicable Credit Card Services are outstanding or continue.

at any time, Borrower shall immediately pay to Bank, in cash, the amount of such excess.

2.2

Overadvances.  If the aggregate amount of the outstanding Advances exceeds the Revolving Line

2.3

Interest Rates, Payments, and Calculations.

(a)

Interest Rates.

Advances.    Except  as  set  forth  in  Section  2.3(b),  the  Advances  shall  bear
interest, on the outstanding daily balance thereof, at a variable annual rate equal to (1) at all times when Borrower maintains a
daily balance of Cash in its demand deposit

(i)

2.

 
 
accounts at Bank of at least $25,000,000, the greater of (A) 1.25% below the Prime Rate then in effect, or (B) 4.25%; and (2) at
all times when Borrower does not maintain a daily balance of Cash in demand deposit accounts at Bank of at least $25,000,000,
the greater of: (A) 0.25% above the Prime Rate then in effect; or (B) 5.75%.

(b)

Late Fee; Default Rate.  If any payment is not made within 15 days after the date such
payment is due, Borrower shall pay Bank a late fee equal to the lesser of (i) 5% of the amount of such unpaid amount or (ii) the
maximum  amount  permitted  to  be  charged  under  applicable  law.    All  Obligations  shall  bear  interest,  from  and  after  the
occurrence  and  during  the  continuance  of  an  Event  of  Default,  at  a  rate  equal  to  3  percentage  points  above  the  interest  rate
applicable immediately prior to the occurrence of the Event of Default.

(c)

Payments.    Interest  under  the  Revolving  Line  shall  be  due  and  payable  on  the  first
calendar day of each month during the term hereof.  Borrower authorizes Bank to, at its option, charge such interest, all Bank
Expenses, all Periodic Payments, and any other amounts due and owing in accordance with the terms of this Agreement against
any of Borrower’s deposit accounts or against the Revolving Line, in which case those amounts shall thereafter accrue interest at
the rate then applicable hereunder.  Any interest not paid when due shall be compounded by becoming a part of the Obligations,
and such interest shall thereafter accrue interest at the rate then applicable hereunder.  

Computation.  In the event the Prime Rate is changed from time to time hereafter, the
applicable  rate  of  interest  hereunder  shall  be  increased  or  decreased,  effective  as  of  the  day  the  Prime  Rate  is  changed,  by  an
amount equal to such change in the Prime Rate.  All interest chargeable under the Loan Documents shall be computed on the
basis of a 360-day year for the actual number of days elapsed.

(d)

2.4

Crediting  Payments.    Prior  to  the  occurrence  of  an  Event  of  Default,  Bank  shall  credit  a  wire
transfer  of  funds,  check  or  other  item  of  payment  to  such  deposit  account  or  Obligation  as  Borrower  specifies.    After  the
occurrence and during the continuance of an Event of Default, Bank shall have the right, in its sole discretion, to immediately
apply any wire transfer of funds, check, or other item of payment Bank may receive to conditionally reduce Obligations, but such
applications of funds shall not be considered a payment on account unless such payment is of immediately available federal funds
or unless and until such check or other item of payment is honored when presented for payment.  Notwithstanding anything to the
contrary contained herein, any wire transfer or payment received by Bank after 5:30 p.m. Eastern time shall be deemed to have
been received by Bank  as  of  the  opening  of  business  on  the  immediately  following Business Day.  Whenever any payment to
Bank under the Loan Documents would otherwise be due (except by reason of acceleration) on a date that is not a Business Day,
such payment shall instead be due on the next Business Day, and additional fees or interest, as the case may be, shall accrue and
be payable for the period of such extension.

2.5

Fees.  Borrower shall pay to Bank the following:

nonrefundable;

(a)

Facility  Fee.  On  or  before  the  Closing  Date,  a  fee  equal  to  $25,000,  which  shall  be

3.

 
 
Date, and, after the Closing Date, all Bank Expenses, as and when they become due.

(b)

Bank Expenses.  On the Closing Date, all Bank Expenses incurred through the Closing

Date, a fee (the “Early Termination Fee”) in an amount equal to one percent (1.00%) of the Revolving Line.

(c)

Early Termination Fee. If this Agreement is terminated prior to the Revolving Maturity

(d)

Unused Fee.  A fee, payable quarterly in arrears one Business Day after each quarter and
on the Revolving Maturity Date, in an amount equal to 0.50% per annum of the unused portion of the Revolving Line during
such quarter, measured daily and averaged over such quarter, as determined by Bank. Notwithstanding the foregoing, the unused
fee shall be waived for any quarter in which Borrower maintains a daily balance of Cash in its demand deposit accounts at Bank
of at least $25,000,000 at all times during such quarter.

2.6

Term.  This Agreement shall become effective on the Closing Date and, subject to Section 12.7,
shall  continue  in  full  force  and  effect  for  so  long  as  any  Obligations  remain  outstanding  or  Bank  has  any  obligation  to  make
Credit Extensions under this Agreement.  Notwithstanding the foregoing, Bank shall have the right to terminate its obligation to
make Credit Extensions under this Agreement immediately and without notice upon the occurrence and during the continuance of
an Event of Default.

3.

CONDITIONS OF LOANS.

Conditions  Precedent  to  Closing.   The  agreement  of  Bank  to  enter  into  this  Agreement  on  the
Closing Date is subject to the condition precedent that Bank shall have received, in form and substance satisfactory to Bank, each
of the following items and completed each of the following requirements:

3.1

(a)

(b)

this Agreement;

an  officer’s  certificate  of  Borrower  with  respect  to  incumbency  and  resolutions

authorizing the execution and delivery of this Agreement;

(c)

a financing statement (Form UCC-1);

(d)
executed by the pledgor in blank;

the certificates for the Shares, together with Assignments separate from Certificates, duly

debited from any of Borrower’s accounts with Bank;

(e)

payment of the fees and Bank Expenses then due specified in Section 2.5, which may be

security interests or Liens of record in the Collateral;

(f)

current  SOS  Reports  indicating  that  except  for  Permitted  Liens,  there  are  no  other

current  financial  statements,  including  audited  statements  for  Borrower’s  most  recently
ended  fiscal  year,  together  with  an  unqualified  opinion  (or  an  opinion  qualified  only  for  going  concern  so  long  as  Borrower’s
investors provide additional equity as

(g)

4.

 
 
needed), company prepared consolidated and consolidating balance sheets,  income statements, and statements of cash flows for
the  most  recently  ended  month  in  accordance  with  Section  6.2,  and  such  other  updated  financial  information  as  Bank  may
reasonably request;

(h)

a current Compliance Certificate in accordance with Section 6.2;

evidence satisfactory to Bank that the insurance policies required by Section 6.5 hereof
are  in  full  force  and  effect,  together  with  appropriate  evidence  showing  loss  payable  and  additional  insured  clauses  or
endorsements in favor of Bank,

(i)

(j)

(k)

a Borrower Information Certificate for each Borrower;

a  Securities  Account  Control  Agreement,  duly  executed  by  Bank,  Borrower,  and  the

(l)

a legal opinion of Borrower’s counsel, together with the duly executed signature thereto;

(m)

such other documents or certificates, and completion of such other matters, as Bank may

applicable custodian;

and

reasonably request.

Conditions  Precedent  to  all  Credit  Extensions.    The  obligation  of  Bank  to  make  each  Credit
Extension,  including  the  initial  Credit  Extension,  is  contingent  upon  Borrower’s  compliance  with  Section  3.1  above,  and  is
further subject to the following conditions:

3.2

Section 2.1;

(a)

(b)

(c)

timely  receipt  by  Bank  of  the  Loan  Advance/Paydown  Request  Form  as  provided  in

Borrower shall be in compliance with Section 6.6 hereof;

in Bank’s good faith sole discretion, there has not been a Material Adverse Effect; and

(d)

the representations and warranties contained in Section 5 shall be true and correct in all
material respects on and as of the date of such Loan Advance/Paydown Request Form and on the effective date of each Credit
Extension as though made at and as of each such date, and no Event of Default shall have occurred and be continuing, or would
exist after giving effect to such Credit Extension (provided, however, that those representations and warranties expressly referring
to another date shall be true and correct in all material respects as of such date, and provided further that any representation or
warranty  that  contains  a  materiality  qualification  therein  shall  be  true  and  correct  in  all  respects).   The  making  of  each  Credit
Extension  shall  be  deemed  to  be  a  representation  and  warranty  by  Borrower  on  the  date  of  such  Credit  Extension  as  to  the
accuracy of the facts referred to in this Section 3.2.

3.3

Covenant to Deliver.  

item required to be delivered to Bank under this Agreement as a condition

(a)

Except as otherwise provided in Section 3.3(b), Borrower agrees to deliver to Bank each

5.

 
 
precedent to any Credit Extension.  Borrower expressly agrees that a Credit Extension made prior to the receipt by Bank of any
such  item  shall  not  constitute  a  waiver  by  Bank  of  Borrower’s  obligation  to  deliver  such  item,  and  the  making  of  any  Credit
Extension in the absence of a required item shall be in Bank’s sole discretion.

Bank shall have received, in form and substance satisfactory to Bank:

(b)

Unless  otherwise  provided  in  writing,  within  thirty  (30)  days  after  the  Closing  Date,

a  landlord  waiver  with  respect  to  Borrower’s  leased  location  at  302  East
Pettigrew Street, Dibrell Building, Suite A-100, Durham, NC 27701, and a landlord or bailee waiver for each other location
where Borrower maintains Collateral with an aggregate book value in excess of $250,000.

(i)

4.

CREATION OF SECURITY INTEREST.

4.1

Grant of Security Interest.  Borrower grants and pledges to Bank a continuing security interest in
the Collateral to secure prompt repayment of any and all Obligations and to secure prompt performance by Borrower of each of
its covenants and duties under the Loan Documents.  Except for Permitted Liens or as disclosed in the Schedule, such security
interest  constitutes  a  valid,  first-priority  security  interest  in  the  presently  existing  Collateral,  and  will  constitute  a  valid,  first-
priority security interest in later-acquired Collateral.  Borrower also hereby agrees not to sell, transfer, assign, mortgage, pledge,
lease, grant a security interest in, or encumber any of its Intellectual Property (other than through the licensing thereof to third
parties pursuant to clause (b) of the definition of “Permitted Transfer”).  Notwithstanding any termination of this Agreement or of
any filings undertaken related to Bank’s rights under the Code, Bank’s Lien on the Collateral shall remain in effect for so long as
any Obligations are outstanding.

4.2

Perfection  of  Security  Interest.    Borrower  authorizes  Bank  to  file  at  any  time  financing
statements,  continuation  statements,  and  amendments  thereto  that  (i)  either  specifically  describe  the  Collateral  or  describe  the
Collateral as all assets of Borrower of the kind pledged hereunder, and (ii) contain any other information required by the Code for
the sufficiency of filing office acceptance of any financing statement, continuation statement, or amendment, including whether
Borrower  is  an  organization,  the  type  of  organization  and  any  organizational  identification  number  issued  to  Borrower,  if
applicable.  Borrower shall have possession of the Collateral, except where expressly otherwise provided in this Agreement or
where  Bank  chooses  to  perfect  its  security  interest  by  possession  in  addition  to  the  filing  of  a  financing  statement.    Where
Collateral  is  in  possession  of  a  third  party  bailee,  Borrower  shall  take  such  steps  as  Bank  reasonably  requests  for  Bank  to  (i)
subject to Section 7.11 below, obtain an acknowledgment, in form and substance satisfactory to Bank, of the bailee that the bailee
holds such Collateral for the benefit of Bank, and (ii) obtain “control” of any Collateral consisting of investment property, deposit
accounts, letter-of-credit rights or electronic chattel paper (as such items and the term “control” are defined in Revised Article 9
of the Code) by causing the securities intermediary or depositary institution or issuing bank to execute a control agreement in
form and substance satisfactory to Bank.  Borrower will not create any chattel paper without placing a legend on the chattel paper
acceptable to Bank indicating that Bank has a security interest in the chattel paper.  Borrower from time to time may deposit with
Bank specific cash collateral to secure specific Obligations; Borrower authorizes Bank to hold such specific balances in pledge
and to decline to

6.

 
 
honor any drafts thereon or any request by Borrower or any other Person to pay or otherwise transfer any part of such balances
for so long as the specific Obligations are outstanding.  If Borrower shall acquire a commercial tort claim in excess of $250,000
(for  any  single  claim  or  related  claims),  Borrower  shall  promptly  notify  Bank  in  a  writing  signed  by  Borrower  of  the  general
details thereof and grant to Bank in such writing a security interest therein and in the proceeds thereof, all upon the terms of this
Agreement,  with  such  writing  to  be  in  form  and  substance  reasonably  satisfactory  to  Bank.    Borrower  shall  take  such  other
actions as Bank reasonably requests to perfect its security interests granted under this Agreement.

4.3

Pledge of Collateral.  Borrower hereby pledges, assigns and grants to Bank a security interest in
all the Shares, together with all proceeds and substitutions thereof, all cash, stock and other moneys and property paid thereon, all
rights  to  subscribe  for  securities  declared  or  granted  in  connection  therewith,  and  all  other  cash  and  noncash  proceeds  of  the
foregoing, as security for the performance of the Obligations.  On the Closing Date, the certificate or certificates for the Shares
will be delivered to Bank, accompanied by an instrument of assignment duly governing the Shares.  Borrower  shall  cause  the
books of each entity whose Shares are part of the Collateral and any transfer agent to reflect the pledge of the Shares.  Upon the
occurrence of an Event of Default hereunder, Bank may effect the transfer of any securities included in the Collateral (including
but not limited to the Shares) into the name of Bank and cause new certificates representing such securities to be issued in the
name of Bank or its transferee.  Unless an Event of Default shall have occurred and be continuing, Borrower shall be entitled to
exercise any voting rights with respect to the Shares and to give consents, waivers and ratifications in respect thereof, provided
that no vote shall be cast or consent, waiver or ratification given or action taken which would be inconsistent with any of the
terms of this Agreement or which would constitute or create any violation of any of such terms.  All such rights to vote and give
consents, waivers and ratifications shall terminate upon notice from Bank to Borrower following the occurrence and during the
continuance of an Event of Default.

5.

REPRESENTATIONS AND WARRANTIES.

Borrower represents and warrants as follows:

5.1

Due Organization and Qualification.  Borrower and each Subsidiary is  duly existing under the
laws  of  the  state  in  which  it  is  organized  and  qualified  and  licensed  to  do  business  in  any  state  in  which  the  conduct  of  its
business or its ownership of property requires that it be so qualified, except where the failure to do so would not reasonably be
expected to cause a Material Adverse Effect.  

5.2

Due  Authorization;  No  Conflict.    The  execution,  delivery,  and  performance  of  the  Loan
Documents are within Borrower’s powers, have been duly authorized, and are not in conflict with nor constitute a breach of any
provision contained in Borrower’s Certificate of Incorporation or Bylaws, nor will they constitute an event of default under any
material agreement by which Borrower is bound.  Borrower is not in default under any agreement by which it is bound, except to
the extent such default would not reasonably be expected to cause a Material Adverse Effect.

7.

 
 
5.3

Collateral.    Borrower  has  rights  in  or  the  power  to  transfer  the  Collateral,  and  its  title  to  the
Collateral is free and clear of Liens, adverse claims, and restrictions on transfer or pledge except for Permitted Liens.  Other than
movable  items  of  personal  property  such  as  laptop  computers,  all  Collateral  having  an  aggregate  book  value  in  excess  of
$100,000, is located solely in the Collateral States.  All Inventory is in all material respects of good and merchantable quality,
free  from  all  material  defects,  except  for  Inventory  for  which  adequate  reserves  have  been  made.    Except  as  set  forth  in  the
Schedule, none of Borrower’s Cash is maintained or invested with a Person other than Bank or Bank’s affiliates.

5.4

Intellectual  Property.    Borrower  is  the  sole  owner  of  the  Intellectual  Property  created  or
purchased by Borrower, except for licenses granted by Borrower to its customers in the ordinary course of business.  To the best
of  Borrower’s  knowledge,  each  of  the  copyrights,  trademarks  and  patents  created  or  purchased  by  Borrower  is  valid  and
enforceable, and no part of the Intellectual Property created or purchased by Borrower has been judged invalid or unenforceable,
in whole or in part, and no claim has been made to Borrower that any part of the Intellectual Property created or purchased by
Borrower  violates  the  rights  of  any  third  party  except  to  the  extent  such  claim  would  not  reasonably  be  expected  to  cause  a
Material Adverse Effect.  

5.5

Name; Location of Chief Executive Office.  Except as disclosed in the Schedule, Borrower has
not done business under any name other than that specified on the signature page hereof, and its exact legal name is as set forth in
the first paragraph of this Agreement.  The chief executive office of Borrower is located at the address indicated in Section 10
hereof.

Litigation.  Except as set forth in the Schedule, there are no actions or proceedings pending by or
against  Borrower  or  any  Subsidiary  before  any  court  or  administrative  agency  in  which  a  likely  adverse  decision  would
reasonably be expected to have a Material Adverse Effect.

5.6

5.7

No  Material  Adverse  Change  in  Financial  Statements.    All  consolidated  and  consolidating
financial statements related to Borrower and any Subsidiary that are delivered by Borrower to Bank fairly present in all material
respects Borrower’s consolidated and consolidating financial condition as of the date thereof and Borrower’s consolidated and
consolidating results of operations for the period then ended.  There has not been a material adverse change in the consolidated or
in the consolidating financial condition of Borrower since the date of the most recent of such financial statements submitted to
Bank.

Solvency,  Payment  of  Debts.    Borrower  is  able  to  pay  its  debts  (including  trade  debts)  as  they
mature;  the  fair  saleable  value  of  Borrower’s  assets  (including  goodwill  minus  disposition  costs)  exceeds  the  fair  value  of  its
liabilities; and Borrower is not left with unreasonably small capital after the transactions contemplated by this Agreement.

5.8

5.9

Compliance with Laws and Regulations.  Borrower and each Subsidiary have met the minimum
funding requirements of ERISA with respect to any employee benefit plans subject to ERISA.  No event has occurred resulting
from Borrower’s failure to comply with ERISA that is reasonably likely to result in Borrower’s incurring any liability that could
have a Material Adverse Effect.  Borrower is not an “investment company” or a company “controlled” by an

8.

 
 
“investment company” within the meaning of the Investment Company Act of 1940.  Borrower is not engaged principally, or as
one of its important activities, in the business of extending credit for the purpose of purchasing or carrying margin stock (within
the meaning of Regulations T and U of the Board of Governors of the Federal Reserve System).  Borrower has not violated any
statutes,  laws,  ordinances  or  rules  applicable  to  it,  the  violation  of  which  would  reasonably  be  expected  to  have  a  Material
Adverse Effect.  Borrower and each Subsidiary have filed or caused to be filed all tax returns required to be filed, and have paid,
or have made adequate provision for the payment of, all taxes reflected therein except those being contested in good faith with
adequate reserves under GAAP or where the failure to file such returns or pay such taxes would not reasonably be expected to
have a Material Adverse Effect.

5.10
any Person, except for Permitted Investments.

Subsidiaries.  Borrower does not own any stock, partnership interest or other equity securities of

5.11

Government Consents.  Borrower and each Subsidiary have obtained all consents, approvals and
authorizations of, made all declarations or filings with, and given all notices to, all governmental authorities that are necessary for
the continued operation of Borrower’s business as currently conducted, except where the failure to do so would not reasonably be
expected to cause a Material Adverse Effect.

5.12

Inbound Licenses.  Except as disclosed on the Schedule, and except for non-customized, “off-
the-shelf” licenses, Borrower is not a party to, nor is bound by, any material license or other agreement important for the conduct
of Borrower’s business that prohibits or otherwise restricts Borrower from granting a security interest in Borrower’s interest in
such license or agreement or any other property important for the conduct of Borrower’s business, other than this Agreement or
the other Loan Documents.

5.13

Shares.    Borrower  has  full  power  and  authority  to  create  a  first  lien  on  the  Shares,  and  no
disability or contractual obligations exists that would prohibit Borrower from pledging the Shares pursuant to this Agreement.  To
Borrower’s knowledge, there are no subscriptions, warrants, rights of first refusal or other restrictions on transfer relative to, or
options exercisable with respect to the Shares.  The Shares have been and will remain duly authorized and validly issued, and are
fully paid and non-assessable.  To Borrower’s knowledge, the Shares are not the subject of any present or threatened suit, action,
arbitration,  administrative  or  other  proceeding,  and  Borrower  knows  of  no  reasonable  grounds  for  the  institution  of  any  such
proceedings.

5.14

Full  Disclosure.    No  representation,  warranty  or  other  statement  made  by  Borrower  in  any
certificate  or  written  statement  furnished  to  Bank  taken  together  with  all  such  certificates  and  written  statements  furnished  to
Bank contains any untrue statement of a material fact or omits to state a material fact necessary in order to make the statements
contained  in  such  certificates  or  statements  not  misleading  in  light  of  the  circumstances  in  which  they  were  made,  it  being
recognized  by  Bank  that  the  projections  and  forecasts  provided  by  Borrower  in  good  faith  and  based  upon  reasonable
assumptions are not to be viewed as facts and that actual results during the period or periods covered by any such projections and
forecasts may differ from the projected or forecasted results.

9.

 
 
6.

AFFIRMATIVE COVENANTS.

Borrower covenants that, until payment in full of all outstanding Obligations, and for so long as Bank may have any

commitment to make a Credit Extension hereunder, Borrower shall do all of the following:

6.1

Good  Standing  and  Government  Compliance.    Borrower  shall  maintain  its  and  each  of  its
Subsidiaries’ corporate existence and good standing in the respective states of formation, shall maintain qualification and good
standing in each other jurisdiction in which the failure to so qualify would reasonably be expected to have a Material Adverse
Effect,  and  shall  furnish  to  Bank  the  organizational  identification  number  issued  to  Borrower  by  the  authorities  of  the  state  in
which Borrower is organized, if applicable.  Borrower shall meet, and shall cause each Subsidiary to meet, the minimum funding
requirements of ERISA with respect to any employee benefit plans subject to ERISA.  Borrower shall comply, and shall cause
each Subsidiary to comply, with all statutes, laws, ordinances and government rules and regulations to which it is subject, and
shall maintain, and shall cause each of its Subsidiaries to maintain, in force all licenses, approvals and agreements, the loss of
which or failure to comply with which would reasonably be expected to have a Material Adverse Effect.

6.2

Financial Statements, Reports, Certificates, Collateral Audits.  

(a)

Borrower shall deliver to Bank:  (i) as soon as available, but in any event within 30 days
after the end of each calendar month, a company prepared consolidated and consolidating balance sheet,  income statement, and
statement of cash flows covering Borrower’s operations during such period, in a form reasonably acceptable to Bank and certified
by  a  Responsible  Officer;  (ii)  as  soon  as  available,  but  in  any  event  within  180  days  after  the  end  of  Borrower’s  fiscal  year,
audited  consolidated  and  consolidating  financial  statements  of  Borrower  prepared  in  accordance  with  GAAP,  consistently
applied, together with an opinion which is either unqualified, qualified only for going concern so long as Borrower’s investors
provide additional equity as needed (or qualified for going concern as a result of the scheduled occurrence of the Maturity Date),
or  otherwise  consented  to  in  writing  by  Bank  on  such  financial  statements  of  an  independent  certified  public  accounting  firm
reasonably acceptable to Bank; (iii) annual budget approved by Borrower’s Board of Directors as soon as available but not later
than  15  days  after  the  end  of  each  fiscal  year  during  the  term  hereof;  (iv)  if  applicable,  copies  of  all  statements,  reports  and
notices  sent  or  made  available  generally  by  Borrower  to  its  security  holders  or  to  any  holders  of  Subordinated  Debt  and  all
reports  on  Forms  10-K  and  10-Q  filed  with  the  Securities  and  Exchange  Commission;  (v)  promptly  upon  receipt  of  notice
thereof, a report of any legal actions pending or threatened against Borrower or any Subsidiary that could reasonably be expected
to result in damages or costs to Borrower or any Subsidiary of $500,000 or more; (vi) promptly upon receipt, each management
letter prepared by Borrower’s independent certified public accounting firm regarding Borrower’s management control systems;
and  (vii)  such  budgets,  sales  projections,  operating  plans  or  other  financial  information  as  Bank  may  reasonably  request  from
time to time.  

aged listings by invoice date of accounts receivable and accounts payable.

(b)

Within 30 days after the last day of each month, Borrower shall deliver to Bank detailed

10.

 
 
Within 30 days after the last day of each month, Borrower shall deliver to Bank with the
monthly  financial  statements  a  Compliance  Certificate  certified  as  of  the  last  day  of  the  applicable  month  and  signed  by  a
Responsible Officer in substantially the form of Exhibit D hereto.

(c)

As soon as possible and in any event within 3 Business Days after becoming aware of
the occurrence or existence of an Event of Default hereunder, a written statement of a Responsible Officer setting forth details of
the Event of Default, and the action which Borrower has taken or proposes to take with respect thereto.

(d)

(e)

Bank  (through  any  of  its  officers,  employees,  or  agents)  shall  have  the  right,  upon
reasonable prior notice, from time to time during Borrower’s usual business hours but no more than once a year (unless an Event
of Default has occurred and is continuing), to inspect Borrower’s Books and to make copies thereof and to check, test, inspect,
audit and appraise the Collateral at Borrower’s expense in order to verify Borrower’s financial condition or the amount, condition
of, or any other matter relating to, the Collateral.

quarterly strategic business updates in a form satisfactory to Bank.

(f)

Borrower  shall  deliver  to  Bank,  promptly  following  the  end  of  each  calendar  quarter,

Borrower may deliver to Bank on an electronic basis any certificates, reports or information required pursuant to this
Section 6.2, and Bank shall be entitled to rely on the information contained in the electronic files, provided that Bank in good
faith believes that the files were delivered by a Responsible Officer.  Borrower shall include a submission date on any certificates
and reports to be delivered electronically.

6.3

Inventory and Equipment; Returns.  Borrower shall keep all Inventory and Equipment in good
and merchantable condition, ordinary wear and tear excepted, free from all material defects except for Inventory and Equipment
(i) sold in the ordinary course of business, and (ii) for which adequate reserves have been made, in all cases in the United States
and such other locations as to which Borrower gives prior written notice.  Returns and allowances, if any, as between Borrower
and its account debtors shall be on the same basis and in accordance with the usual customary practices of Borrower, as they exist
on the Closing Date.  Borrower shall promptly notify Bank of all returns and recoveries and of all disputes and claims involving
inventory having a book value of more than $250,000.

6.4

Taxes.    Borrower  shall  make,  and  cause  each  Subsidiary  to  make,  due  and  timely  payment  or
deposit of all material federal, state, and local taxes, assessments, or contributions required of it by law, including, but not limited
to, those laws concerning income taxes, F.I.C.A., F.U.T.A. and state disability, and will execute and deliver to Bank, on demand,
proof  satisfactory  to  Bank  indicating  that  Borrower  or  a  Subsidiary  has  made  such  payments  or  deposits  and  any  appropriate
certificates attesting to the payment or deposit thereof; provided that Borrower or a Subsidiary need not make any payment if the
amount or validity of such payment is contested in good faith by appropriate proceedings and is reserved against (to the extent
required by GAAP) by Borrower or such Subsidiary.

11.

 
 
6.5

Insurance.  Borrower, at its expense, shall (i) keep the Collateral insured against loss or damage,
and (ii) maintain liability and other insurance, in each case as ordinarily insured against by other owners in businesses similar to
Borrower’s.   All  such  policies  of  insurance  shall  be  in  such  form,  with  such  companies,  and  in  such  amounts  as  reasonably
satisfactory to Bank.  All policies of property insurance shall contain a lender’s loss payable endorsement, in a form satisfactory
to Bank, showing Bank as lender's loss payee.  All liability insurance policies shall show, or have endorsements showing, Bank as
an additional insured.  Any such insurance policies shall specify that the insurer must give at least 20 days’ notice to Bank before
canceling its policy for any reason.  Within 30 days of the Closing Date, Borrower shall cause to be furnished to Bank a copy of
its  policies  including  any  endorsements  covering  Bank  or  showing  Bank  as  an  additional  insured.    Upon  Bank’s  request,
Borrower  shall  deliver  to  Bank  certified  copies  of  the  policies  of  insurance  and  evidence  of  all  premium  payments.    Proceeds
payable under any casualty policy will, at Borrower’s option, be payable to Borrower to replace the property subject to the claim,
provided that any such replacement property shall be deemed Collateral in which Bank has been granted a first priority security
interest, provided that if an Event of Default has occurred and is continuing, all proceeds payable under any such policy shall, at
Bank’s option, be payable to Bank to be applied on account of the Obligations.

6.6

Primary Depository.  At all times when the aggregate balance of Borrower’s Cash at Bank and
Bank’s affiliates is less than the Deposit Account Threshold, Borrower shall maintain, and shall cause all of its Subsidiaries to
maintain,  all  depository  and  operating  accounts  with  Bank  and  all  investment  accounts  with  Bank  or  Bank’s  affiliates.  At  all
times  when  the  aggregate  balance  of  Borrower’s  Cash  at  Bank  and  Bank’s  affiliates  equals  or  exceeds  the  Deposit  Account
Threshold, Borrower and its Subsidiaries may maintain Cash balances that exceed the Deposit Account Threshold in depository,
operating, and investments accounts outside of Bank or Bank’s affiliates, so long as each such account outside of Bank is subject
to a duly-executed account control agreement in favor of Bank, and in form and substance reasonably satisfactory to Bank. Prior
to  Borrower  maintaining  any  investment  accounts  with  Bank’s  affiliates,  Borrower,  Bank,  and  any  such  affiliate  shall  have
entered  into  a  securities  account  control  agreement  with  respect  to  any  such  investment  accounts,  in  form  and  substance
reasonably satisfactory to Bank.

covenants:

6.7

Financial  Covenants.  Borrower  shall  at  all  times  maintain  the  following  financial  ratios  and

(a)

Minimum  Cash.    At  all  times,  an  aggregate  balance  of  Cash  at  Bank  and  Bank’s
Affiliates  (excluding  any  amounts  held  in  Excluded  Accounts)  equal  to  or  greater  than  the  aggregate  outstanding  amount  of
Obligations. Borrower acknowledges and agrees that any request by Borrower or any other Person to pay or otherwise transfer
funds that would cause Borrower’s balance of Cash at Bank to be less than the amount required pursuant to this Section 6.7(a)
shall constitute an Event of Default under this Agreement.  

6.8

Intellectual Property.

intellectual property rights filed with the United States Patent and

(a)

Borrower shall promptly give Bank written notice of any applications or registrations of

12.

 
 
Trademark Office, including the date of such filing and the registration or application numbers, if any.

(b)

Borrower  shall  use  commercially  reasonably  efforts  to  (i)  protect,  defend  and  maintain
the validity and enforceability of the trade secrets, Trademarks, Patents and Copyrights, (ii) use commercially reasonable efforts
to detect infringements of the Trademarks, Patents and Copyrights and promptly advise Bank in writing of material infringements
detected, and (iii) not allow any material Trademarks, Patents or Copyrights to be abandoned, forfeited or dedicated to the public
without the written consent of Bank, which shall not be unreasonably withheld.

6.9

Consent  of  Inbound  Licensors.    Prior  to  entering  into  or  becoming  bound  by  any  material
inbound license or agreement (other than non-customized, “off-the-shelf” licenses), Borrower shall:  (i) provide written notice to
Bank  of  the  material  terms  of  such  license  or  agreement  with  a  description  of  its  likely  impact  on  Borrower’s  business  or
financial condition; and (ii) in good faith use commercially reasonable efforts to obtain the consent of, or waiver by, any person
whose consent or waiver is necessary for Borrower’s interest in such licenses or contract rights to be deemed Collateral and for
Bank  to  have  a  security  interest  in  it  that  might  otherwise  be  restricted  by  the  terms  of  the  applicable  license  or  agreement,
whether now existing or entered into in the future, provided, however, that the failure to obtain any such consent or waiver shall
not constitute a default under this Agreement.

6.10 Creation/Acquisition of Subsidiaries. In the event any Borrower or any Subsidiary of any Borrower
creates or acquires any Subsidiary, Borrower or such Subsidiary shall promptly notify Bank of such creation or acquisition, and
Borrower or such Subsidiary shall take all actions reasonably requested by Bank to achieve any of the following with respect to
such “New Subsidiary” (defined as a Subsidiary formed after the date hereof during the term of this Agreement):  (i) to cause
New Subsidiary to become either a co-Borrower or a secured guarantor with respect to the Obligations hereunder, if such New
Subsidiary is organized under the laws of the United States; and (ii) to grant and pledge to Bank a perfected security interest in
100% of the stock, units or other evidence of ownership held by Borrower or its Subsidiaries of any such New Subsidiary which
is organized under the laws of the United States, and 65% of the stock, units or other evidence of ownership held by Borrower or
its Subsidiaries of any such New Subsidiary which is not organized under the laws of the United States.

Further Assurances.  At any time and from time to time Borrower shall execute and deliver such
further  instruments  and  take  such  further  action  as  may  reasonably  be  requested  by  Bank  to  effect  the  purposes  of  this
Agreement.

6.11

7.

NEGATIVE COVENANTS.

Borrower  covenants  and  agrees  that,  so  long  as  any  credit  hereunder  shall  be  available  and  until  the  outstanding
Obligations are paid in full or for so long as Bank may have any commitment to make any Credit Extensions, Borrower will not
do any of the following without Bank’s prior written consent, which shall not be unreasonably withheld:

13.

 
 
Dispositions.    Convey,  sell,  lease,  license,  transfer  or  otherwise  dispose  of  (collectively,  to
“Transfer”), or permit any of its Subsidiaries to Transfer, all or any part of its business or property, or move cash balances on
deposit with Bank to accounts opened at another financial institution, other than Permitted Transfers.

7.1

7.2

Change  in  Name,  Location,  Executive  Office,  or  Executive  Management;  Change  in
Business; Change in Fiscal Year; Change in Control.    Change  its  name  or  the  state  of  Borrower’s  formation  or  relocate  its
chief  executive  office  without  30  days  prior  written  notification  to  Bank;  replace  or  suffer  the  departure  of  its  chief  executive
officer  or  chief  financial  officer  without  delivering  written  notification  to  Bank  within  10  days;  fail  to  appoint  an  interim
replacement  or  fill  a  vacancy  in  the  position  of  chief  executive  officer  or  chief  financial  officer  for  more  than  30  consecutive
days; suffer a change on Parent’s board of directors which results in the failure of at least one partner of venBio (or its Affiliates)
to serve as a voting member without the prior written consent of Bank, which may be withheld in Bank’s sole discretion; take
action to liquidate, wind up, or otherwise cease to conduct business in the ordinary course; engage in any business, or permit any
of its Subsidiaries to engage in any business, other than or reasonably related or incidental to the businesses currently engaged in
by Borrower; change its fiscal year end; have a Change in Control.

7.3

Mergers  or  Acquisitions.    Merge  or  consolidate,  or  permit  any  of  its  Subsidiaries  to  merge  or
consolidate,  with  or  into  any  other  business  organization  (other  than  mergers  or  consolidations  of  a  Subsidiary  into  another
Subsidiary or into Borrower), or acquire, or permit any of its Subsidiaries to acquire, all or substantially all of the capital stock or
property  of  another  Person  except  where  (a)  each  of  the  following  conditions  is  applicable:    (i)  the  consideration  paid  in
connection  with  such  transactions  (including  assumption  of  liabilities)  does  not  in  the  aggregate  exceed  $500,000  during  any
fiscal year, (ii) no Event of Default has occurred, is continuing or would exist after giving effect to such transactions, (iii) such
transactions do not result in a Change in Control, and (iv) Borrower is the surviving entity; or (b) the Obligations are repaid in
full  concurrently  with  the  closing  of  any  merger  or  consolidation  of  Borrower  in  which  Borrower  is  not  the  surviving  entity;
provided, however, that Borrower shall not, without Bank’s prior written consent, enter into any binding contractual arrangement
with  any  Person  to  attempt  to  facilitate  a  merger  or  acquisition  of  Borrower,  unless  (i)  no  Event  of  Default  exists  when  such
agreement  is  entered  into  by  Borrower,  (ii)  such  agreement  does  not  give  such  Person  the  right  to  claim  any  fee,  payment  or
damages from any parties, other than from Borrower or Borrower’s investors, in connection with a sale of Borrower’s stock or
assets  pursuant  to  or  resulting  from  an  assignment  for  the  benefit  of  creditors,  an  asset  turnover  to  Borrower’s  creditors
(including, without limitation, Bank), foreclosure, bankruptcy or similar liquidation, and (iii) Borrower notifies Bank in advance
of entering into such an agreement (provided, the failure to give such notification shall not be deemed a material breach of this
Agreement).

Indebtedness.    Create,  incur,  assume,  guarantee  or  be  or  remain  liable  with  respect  to  any
Indebtedness,  or  permit  any  Subsidiary  so  to  do,  other  than  Permitted  Indebtedness,  or  prepay  any  Indebtedness  or  take  any
actions which impose on Borrower an obligation to prepay any Indebtedness, except Indebtedness to Bank.

7.4

otherwise convey any right to receive income, including the sale of any

7.5

Encumbrances.  Create, incur, assume or allow any Lien with respect to its property, or assign or

14.

 
 
Accounts, or permit any of its Subsidiaries so to do, except for Permitted Liens, or covenant to any other Person (other than (i)
the licensors of in-licensed property with respect to such property or (ii) the lessors of specific equipment or lenders financing
specific  equipment  with  respect  to  such  leased  or  financed  equipment)  that  Borrower  in  the  future  will  refrain  from  creating,
incurring, assuming or allowing any Lien with respect to any of Borrower’s property.

7.6

Distributions.  Pay any dividends or make any other distribution or payment on account of or in
redemption, retirement or purchase of any capital stock, except that Borrower may (i) repurchase the stock of former employees
or directors pursuant to stock repurchase agreements in an aggregate amount not to exceed $500,000 in any fiscal year, as long as
an  Event  of  Default  does  not  exist  prior  to  such  repurchase  or  would  not  exist  after  giving  effect  to  such  repurchase,  and  (ii)
repurchase  the  stock  of  former  employees  or  directors  pursuant  to  stock  repurchase  agreements  by  the  cancellation  of
indebtedness owed by such former employees or directors to Borrower regardless of whether an Event of Default exists.

7.7

Investments.  Directly or indirectly acquire or own an Investment in, or make any Investment in
or to any Person, or permit any of its Subsidiaries so to do, other than Permitted Investments, or maintain or invest any of its
investment  property  with  a  Person  other  than  Bank  or  permit  any  Subsidiary  to  do  so  unless  such  Person  has  entered  into  a
control agreement with Bank, in form and substance satisfactory to Bank, or suffer or permit any Subsidiary to be a party to, or
be bound by, an agreement that restricts such Subsidiary from paying dividends or otherwise distributing property to Borrower.

($40,000,000) in the aggregate during each fiscal year of Borrower.

7.8

Capitalized  Expenditures.    Make  Capitalized  Expenditures  in  excess  of  Forty  Million  Dollars

7.9

Transactions  with  Affiliates.    Directly  or  indirectly  enter  into  or  permit  to  exist  any  material
transaction with any Affiliate of Borrower except for (i) transactions that are in the ordinary course of Borrower’s business, upon
fair and reasonable terms that are no less favorable to Borrower than would be obtained in an arm’s length transaction with a non-
affiliated Person, and (ii) the sale of Borrower’s equity securities in bona fide transactions with Borrower’s existing investors that
do not result in a Change in Control.      

7.10

Subordinated Debt.  Make any payment in respect of any Subordinated Debt, or permit any of
its  Subsidiaries  to  make  any  such  payment,  except  in  compliance  with  the  terms  of  such  Subordinated  Debt,  or  amend  any
provision affecting Bank’s rights contained in any documentation relating to the Subordinated Debt without Bank’s prior written
consent.

7.11

Inventory and Equipment.  Store the Inventory or the Equipment of an aggregate book value in
excess of $500,000 with a bailee, warehouseman, collocation facility or similar third party unless the third party has been notified
of Bank’s security interest and Bank (a) has received an acknowledgment from the third party that it is holding or will hold the
Inventory  or  Equipment  for  Bank’s  benefit  or  (b)  is  in  possession  of  the  warehouse  receipt,  where  negotiable,  covering  such
Inventory or Equipment.  Except for Inventory sold in the ordinary course of business and for movable items of personal property
having an aggregate book value not in excess of $200,000, and except for such other locations as Bank may approve in writing,
Borrower shall keep the Inventory and Equipment only at the location set forth in Section 10 and such other

15.

 
 
locations  of  which  Borrower  gives  Bank  prior  written  notice  and  as  to  which  Bank  is  able  to  take  such  actions  as  may  be
necessary to perfect its security interest or to obtain a bailee’s acknowledgment of Bank’s rights in the Collateral.

7.12

No  Investment  Company;  Margin  Regulation.    Become  or  be  controlled  by  an  “investment
company,” within the meaning of the Investment Company Act of 1940, or become principally engaged in, or undertake as one of
its  important  activities,  the  business  of  extending  credit  for  the  purpose  of  purchasing  or  carrying  margin  stock,  or  use  the
proceeds of any Credit Extension for such purpose.

8.

EVENTS OF DEFAULT.

Any one or more of the following events shall constitute an Event of Default by Borrower under this Agreement:

8.1

8.2

Payment Default.  If Borrower fails to pay any of the Obligations when due;

Covenant Default.  

If Borrower fails to perform any obligation  under Sections 6.2 (financial reporting), 6.4
(taxes), 6.5 (insurance), 6.6 (primary accounts), or 6.7 (financial covenants), or violates any of the covenants contained in Article
7 of this Agreement; or

(a)

(b)

If  Borrower  fails  or  neglects  to  perform  or  observe  any  other  material  term,  provision,
condition,  covenant  contained  in  this  Agreement,  in  any  of  the  Loan  Documents,  or  in  any  other  present  or  future  agreement
between Borrower and Bank and as to any default under such other term, provision, condition or covenant that can be cured, has
failed  to  cure  such  default  within  15  days  after  Borrower  receives  notice  thereof  or  any  officer  of  Borrower  becomes  aware
thereof;  provided,  however,  that  if  the  default  cannot  by  its  nature  be  cured  within  the  15  day  period  or  cannot  after  diligent
attempts by Borrower be cured within such 15 day period, and such default is likely to be cured within a reasonable time, then
Borrower shall have an additional reasonable period (which shall not in any case exceed 30 days) to attempt to cure such default,
and within such reasonable time period the failure to have cured such default shall not be deemed an Event of Default but no
Credit Extensions will be made;

reasonably be expected to have a Material Adverse Effect;

8.3

Material Adverse Change.  If there occurs any circumstance or any circumstances which would

8.4

Attachment.  If any material portion of Borrower’s assets is attached, seized, subjected to a writ or
distress warrant, or is levied upon, or comes into the possession of any trustee, receiver or person acting in a similar capacity and
such  attachment,  seizure,  writ  or  distress  warrant  or  levy  has  not  been  removed,  discharged  or  rescinded  within  10  days,  or  if
Borrower is enjoined, restrained, or in any way prevented by court order from continuing to conduct all or any material part of its
business affairs, or if a judgment or other claim becomes a lien or encumbrance upon any material portion of Borrower’s assets,
or if a notice of lien, levy, or assessment is filed of record with respect to any material portion of Borrower’s assets by the United
States Government, or any department, agency, or instrumentality thereof, or by any state, county,

16.

 
 
municipal, or governmental agency, and the same is not paid within ten days after Borrower receives notice thereof, provided that
none of the foregoing shall constitute an Event of Default where such action or event is stayed or an adequate bond has been
posted pending a good faith contest by Borrower (provided that no Credit Extensions will be made during such cure period);

Insolvency.    If  Borrower  becomes  insolvent,  or  if  an  Insolvency  Proceeding  is  commenced  by
Borrower,  or  if  an  Insolvency  Proceeding  is  commenced  against  Borrower  and  is  not  dismissed  or  stayed  within  45  days
(provided that no Credit Extensions will be made prior to the dismissal of such Insolvency Proceeding);

8.5

8.6

Other Agreements.  If (a) there is a default or other failure to perform in any agreement to which
Borrower is a party with a third party or parties (i) resulting in a right by such third party or parties, whether or not exercised, to
accelerate the maturity of any Indebtedness in an amount in excess of $500,000, (ii) in connection with any lease of real property
material to the conduct of Borrower’s business, if such default or failure to perform gives another party the right to terminate the
lease,  or  (iii)  that  would  reasonably  be  expected  to  have  a  Material  Adverse  Effect,  or  (b)  any  default  or  event  of  default
(however designated) shall occur with respect to any Subordinated Debt which is not cured within any applicable cure period;

8.7

Judgments.  If a final, uninsured judgment or judgments for the payment of money in an amount,
individually  or  in  the  aggregate,  of  at  least  $500,000  shall  be  rendered  against  Borrower  and  shall  remain  unsatisfied  and
unstayed  for  a  period  of  10  days  (provided  that  no  Credit  Extensions  will  be  made  prior  to  the  satisfaction  or  stay  of  the
judgment); or

Misrepresentations.    If  any  material  misrepresentation  or  material  misstatement  exists  now  or
hereafter  in  any  warranty  or  representation  set  forth  herein  or  in  any  certificate  delivered  to  Bank  by  any  Responsible  Officer
pursuant to this Agreement or to induce Bank to enter into this Agreement or any other Loan Document.

8.8

9.

BANK’S RIGHTS AND REMEDIES.

Rights and Remedies.  Upon the occurrence and during the continuance of an Event of Default,
Bank may, at its election, without notice of its election and without demand, do any one or more of the following, all of which are
authorized by Borrower:

9.1

Declare all Obligations, whether evidenced by this Agreement, by any of the other Loan
Documents, or otherwise, immediately due and payable (provided that upon the occurrence of an Event of Default described in
Section 8.5 (insolvency), all Obligations shall become immediately due and payable without any action by Bank);

(a)

Demand that Borrower  (i) deposit cash with Bank in an amount equal to the amount of
any Letters of Credit remaining undrawn, as collateral security for the repayment of any future drawings under such Letters of
Credit, and (ii) pay in advance all Letter of Credit fees scheduled to be paid or payable over the remaining term of the Letters of
Credit, and Borrower shall promptly deposit and pay such amounts;

(b)

Agreement or under any other agreement between Borrower and Bank;

(c)

Cease advancing money or extending credit to or for the benefit of Borrower under this

17.

 
 
terms and in whatever order that Bank reasonably considers advisable;

(d)

Settle  or  adjust  disputes  and  claims  directly  with  account  debtors  for  amounts,  upon

(e)

Make  such  payments  and  do  such  acts  as  Bank  considers  necessary  or  reasonable  to
protect its security interest in the Collateral.  Borrower agrees to assemble the Collateral if Bank so requires, and to make the
Collateral  available  to  Bank  as  Bank  may  designate.    Borrower  authorizes  Bank  to  enter  the  premises  where  the  Collateral  is
located,  to  take  and  maintain  possession  of  the  Collateral,  or  any  part  of  it,  and  to  pay,  purchase,  contest,  or  compromise  any
encumbrance, charge, or lien which in Bank’s determination appears to be prior or superior to its security interest and to pay all
expenses incurred in connection therewith.  With respect to any of Borrower’s owned premises, Borrower hereby grants Bank a
license to enter into possession of such premises and to occupy the same, without charge, in order to exercise any of Bank’s rights
or remedies provided herein, at law, in equity, or otherwise;

place  a  “hold”  on  any  account  maintained  with  Bank  and  not  honor  any  presentment
(including but not limited to checks, wires and ACH drafts) against such account at Bank and/or deliver a notice of exclusive
control,  any  entitlement  order,  or  other  directions  or  instructions  pursuant  to  any  control  agreement  or  similar  agreements
providing control of any Collateral;

(f)

held by Bank, and (ii) indebtedness at any time owing to or for the credit or the account of Borrower held by Bank;

(g)

Set  off  and  apply  to  the  Obligations  any  and  all  (i)  balances  and  deposits  of  Borrower

(h)

Ship, reclaim, recover, store, finish, maintain, repair, prepare for sale, advertise for sale,
and sell (in the manner provided for herein) the Collateral.  Bank is hereby granted a license or other right, solely pursuant to the
provisions  of  this  Section  9.1,  to  use,  without  charge,  Borrower’s  labels,  patents,  copyrights,  rights  of  use  of  any  name,  trade
secrets, trade names, trademarks, service marks, and advertising matter, or any property of a similar nature, as it pertains to the
Collateral, in completing production of, advertising for sale, and selling any Collateral and, in connection with Bank’s exercise of
its rights under this Section 9.1, Borrower’s rights under all licenses and all franchise agreements shall inure to Bank’s benefit;

(i)

Sell  the  Collateral  at  either  a  public  or  private  sale,  or  both,  by  way  of  one  or  more
contracts  or  transactions,  for  cash  or  on  terms,  in  such  manner  and  at  such  places  (including  Borrower’s  premises)  as  Bank
determines  is  commercially  reasonable,  and  apply  any  proceeds  to  the  Obligations  in  whatever  manner  or  order  Bank  deems
appropriate.  Bank may sell the Collateral without giving any warranties as to the Collateral.  Bank may specifically disclaim any
warranties of title or the like.  This procedure will not be considered adversely to affect the commercial reasonableness of any
sale  of  the  Collateral.    If  Bank  sells  any  of  the  Collateral  upon  credit,  Borrower  will  be  credited  only  with  payments  actually
made by the purchaser, received by Bank, and applied to the indebtedness of the purchaser.  If the purchaser fails to pay for the
Collateral, Bank may resell the Collateral and Borrower shall be credited with the proceeds of the sale;

(j)

Bank may credit bid and purchase at any public sale;

18.

 
 
Apply  for  the  appointment  of  a  receiver,  trustee,  liquidator  or  conservator  of  the
Collateral,  without  notice  and  without  regard  to  the  adequacy  of  the  security  for  the  Obligations  and  without  regard  to  the
solvency of Borrower, any guarantor or any other Person liable for any of the Obligations; and

(k)

(l)
paid immediately by Borrower.

Any  deficiency  that  exists  after  disposition  of  the  Collateral  as  provided  above  will  be

Bank may comply with any applicable state or federal law requirements in connection with a disposition of the Collateral and
compliance will not be considered adversely to affect the commercial reasonableness of any sale of the Collateral.

9.2

Power of Attorney.  Effective only upon the occurrence and during the continuance of an Event of
Default, Borrower hereby irrevocably appoints Bank (and any of Bank’s designated officers, or employees) as Borrower’s true
and lawful attorney to:  (a) send requests for verification of Accounts or notify account debtors of Bank’s security interest in the
Accounts;  (b)  endorse  Borrower’s  name  on  any  checks  or  other  forms  of  payment  or  security  that  may  come  into  Bank’s
possession;  (c)  sign  Borrower’s  name  on  any  invoice  or  bill  of  lading  relating  to  any  Account,  drafts  against  account  debtors,
schedules and assignments of Accounts, verifications of Accounts, and notices to account debtors; (d) dispose of any Collateral;
(e) make, settle, and adjust all claims under and decisions with respect to Borrower’s policies of insurance; (f) settle and adjust
disputes and claims respecting the accounts directly with account debtors, for amounts and upon terms which Bank determines to
be  reasonable;  and  (g)  file,  in  its  sole  discretion,  one  or  more  financing  or  continuation  statements  and  amendments  thereto,
relative to any of the Collateral; provided Bank may exercise such power of attorney to sign the name of Borrower on any of the
documents described in clause (g) above, regardless of whether an Event of Default has occurred.  The appointment of Bank as
Borrower’s attorney in fact, and each and every one of Bank’s rights and powers, being coupled with an interest, is irrevocable
until  all  of  the  Obligations  have  been  fully  repaid  and  performed  and  Bank’s  obligation  to  provide  advances  hereunder  is
terminated.

9.3

Accounts Collection.  At any time after the occurrence and during the continuation of an Event of
Default, Bank may notify any Person owing funds to Borrower of Bank’s security interest in such funds and verify the amount of
such Account.  Borrower shall collect all amounts owing to Borrower for Bank, receive in trust all payments as Bank’s trustee,
and  immediately  deliver  such  payments  to  Bank  in  their  original  form  as  received  from  the  account  debtor,  with  proper
endorsements for deposit.

9.4

Bank Expenses.  If Borrower fails to pay any amounts or furnish any required proof of payment
due to third persons or entities, as required under the terms of this Agreement, then Bank may do any or all of the following after
reasonable  notice  to  Borrower:    (a)  make  payment  of  the  same  or  any  part  thereof;  and/or  (b)  set  up  such  reserves  under  the
Revolving Line as Bank deems necessary to protect Bank from the exposure created by such failure; or (c) obtain and maintain
insurance policies of the type discussed in Section 6.5 of this Agreement, and take any action with respect to such policies as
Bank deems prudent.  Any amounts so paid or deposited by Bank shall constitute Bank Expenses, shall be immediately due and
payable, and shall bear interest at the then applicable rate hereinabove provided, and shall be secured by the

19.

 
 
Collateral.  Any payments made by Bank shall not constitute an agreement by Bank to make similar payments in the future or a
waiver by Bank of any Event of Default under this Agreement.

Collateral for sale.  All risk of loss, damage or destruction of the Collateral shall be borne by Borrower.

9.5

Bank’s  Liability  for  Collateral.    Bank  has  no  obligation  to  clean  up  or  otherwise  prepare  the

9.6

No Obligation to Pursue Others.  Bank has no obligation to attempt to satisfy the Obligations by
collecting them from any other person liable for them and Bank may release, modify or waive any collateral provided by any
other Person to secure any of the Obligations, all without affecting Bank’s rights against Borrower.  Borrower waives any right it
may have to require Bank to pursue any other Person for any of the Obligations.

9.7

Remedies Cumulative.  Bank’s rights and remedies under this Agreement, the Loan Documents,
and all other agreements shall be cumulative.  Bank shall have all other rights and remedies not inconsistent herewith as provided
under the Code, by law, or in equity.  No exercise by Bank of one right or remedy shall be deemed an election, and no waiver by
Bank  of  any  Event  of  Default  on  Borrower’s  part  shall  be  deemed  a  continuing  waiver.    No  delay  by  Bank  shall  constitute  a
waiver, election, or acquiescence by it.  No waiver by Bank shall be effective unless made in a written document signed on behalf
of Bank and then shall be effective only in the specific instance and for the specific purpose for which it was given.  Borrower
expressly agrees that this Section 9.7 may not be waived or modified by Bank by course of performance, conduct, estoppel or
otherwise.

Demand;  Protest.    Except  as  otherwise  provided  in  this  Agreement,  Borrower  waives  demand,
protest, notice of protest, notice of default or dishonor, notice of payment and nonpayment and any other notices relating to the
Obligations.

9.8

10.

NOTICES.

Unless otherwise provided in this Agreement, all notices or demands by any party relating to this Agreement or any
other agreement entered into in connection herewith shall be in writing and (except for financial statements and other reporting
required pursuant to Section 6.2 of this Agreement, which shall be sent as directed in the monthly reporting forms provided by
Bank)  shall  be  personally  delivered  or  sent  by  a  recognized  overnight  delivery  service,  certified  mail,  postage  prepaid,  return
receipt  requested,  or  by  telefacsimile  or  electronic  mail  to  Borrower  or  to  Bank,  as  the  case  may  be,  at  its  addresses  set  forth
below:

If to Borrower:

Precision Biosciences, Inc.
ELO Life Systems, Inc.
302 East Pettigrew Street
Dibrell Bldg., Suite A-100
Durham, NC 27701
Attn:  Abid Ansari, VP Finance
FAX: (____)
E-Mail: abid.ansari@precisionbiosciences.com

20.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
If to Bank:

with a copy to:

Pacific Western Bank
406 Blackwell Street, Suite 240
Durham, North Carolina 27701
Attn: Loan Operations Manager
FAX: (919) 314-3080
E-Mail: loannotices@square1bank.com

Pacific Western Bank
406 Blackwell Street, Suite 240
Durham, North Carolina 27701
Attn:  Evan Travis
FAX: (919) 314-3090

The parties hereto may change the address at which they are to receive notices hereunder, by notice in writing in the

foregoing manner given to the other.

11.

CHOICE OF LAW AND VENUE; JURY TRIAL WAIVER.

This Agreement shall be governed by, and construed in accordance with, the internal laws of the State of North Carolina, without
regard to principles of conflicts of law.  Jurisdiction shall lie in the State of North Carolina.  All disputes, controversies, claims,
actions  and  similar  proceedings  arising  with  respect  to  Borrower’s  account  or  any  related  agreement  or  transaction  shall  be
brought in the General Court of Justice of North Carolina sitting in Durham County, North Carolina or the United States District
Court for the Middle District of North Carolina, except as provided below with respect to arbitration of such matters.  BANK
AND  BORROWER  EACH  ACKNOWLEDGE  THAT  THE  RIGHT  TO  TRIAL  BY  JURY  IS  A  CONSTITUTIONAL  ONE,
BUT THAT IT MAY BE WAIVED.  EACH OF THEM, AFTER CONSULTING OR HAVING HAD THE OPPORTUNITY TO
CONSULT,  WITH  COUNSEL  OF  THEIR  CHOICE,  KNOWINGLY,  VOLUNTARILY  AND  INTENTIONALLY  WAIVES
ANY  RIGHT  ANY  OF  THEM  MAY  HAVE  TO  A  TRIAL  BY  JURY  IN  ANY  LITIGATION  BASED  UPON  OR  ARISING
OUT  OF  THIS  AGREEMENT  OR  ANY  RELATED  INSTRUMENT  OR  LOAN  DOCUMENT  OR  ANY  OF  THE
TRANSACTIONS  CONTEMPLATED  BY  THIS  AGREEMENT  OR  ANY  COURSE  OF  CONDUCT,  DEALING,
STATEMENTS (WHETHER ORAL OR WRITTEN), OR ACTION OF ANY OF THEM.  THESE PROVISIONS SHALL NOT
BE  DEEMED  TO  HAVE  BEEN  MODIFIED  IN  ANY  RESPECT  OR  RELINQUISHED  BY  BANK  OR  BORROWER,
EXCEPT BY A WRITTEN INSTRUMENT EXECUTED BY EACH OF THEM.  If the jury waiver set forth in this Section 11 is
not enforceable, then any dispute, controversy, claim, action or similar proceeding arising out of or relating to this Agreement, the
Loan Documents or any of the transactions contemplated therein shall be settled by final and binding arbitration held in Durham
County,  North  Carolina  in  accordance  with  the  then  current  Commercial  Arbitration  Rules  of  the  American  Arbitration
Association  by  one  arbitrator  appointed  in  accordance  with  those  rules.    The  arbitrator  shall  apply  North  Carolina  law  to  the
resolution of any dispute, without reference to rules of conflicts of law or rules of statutory arbitration. Judgment upon any award
resulting  from  arbitration  may  be  entered 
jurisdiction
thereof.  Notwithstanding the foregoing, the parties may apply to any court of competent jurisdiction for preliminary or interim
equitable relief, or to compel arbitration in accordance with this Section.  The costs and expenses of the arbitration, including
without limitation, the

into  and  enforced  by  any  state  or  federal  court  having 

21.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
arbitrator’s fees and expert witness fees, and reasonable attorneys’ fees, incurred by the parties to the arbitration may be awarded
to  the  prevailing  party,  in  the  discretion  of  the  arbitrator,  or  may  be  apportioned  between  the  parties  in  any  manner  deemed
appropriate by the arbitrator.  Unless and until the arbitrator decides that one party is to pay for all (or a share) of such costs and
expenses, both parties shall share equally in the payment of the arbitrator’s fees as and when billed by the arbitrator.

12.

GENERAL PROVISIONS.

12.1

Successors and Assigns.   This  Agreement  shall  bind  and  inure  to  the  benefit  of  the  respective
successors  and  permitted  assigns  of  each  of  the  parties  and  shall  bind  all  persons  who  become  bound  as  a  debtor  to  this
Agreement;  provided,  however,  that  neither  this  Agreement  nor  any  rights  hereunder  may  be  assigned  by  Borrower  without
Bank’s  prior  written  consent,  which  consent  may  be  granted  or  withheld  in  Bank’s  sole  discretion.    Bank  shall  have  the  right
without the consent of or notice to Borrower to sell, assign, transfer, negotiate, or grant participation in all or any part of, or any
interest in, Bank’s obligations, rights and benefits hereunder. Notwithstanding the preceding sentence, an assignment or transfer
by Bank of its obligations, rights, and benefits hereunder shall require the consent of Borrower (not to be unreasonably withheld,
delayed, or conditioned) if ( a) no Event of Default has occurred at any time during the term of this Agreement, and (b) such
assignment or transfer is not in connection with a merger or acquisition of the stock or assets of Bank generally or to an Affiliate
of Bank.

12.2

Indemnification.    Borrower  shall  defend,  indemnify  and  hold  harmless  Bank  and  its  officers,
directors,  employees,  affiliates,  advisors  and  agents  against:    (a)  all  obligations,  demands,  claims,  and  liabilities  claimed  or
asserted  by  any  other  party  in  connection  with  the  transactions  contemplated  by  this  Agreement;  and  (b)  all  losses  or  Bank
Expenses in any way suffered, incurred, or paid by Bank, its officers, employees and agents as a result of or in any way arising
out  of,  following,  or  consequential  to  transactions  between  Bank  and  Borrower  whether  under  this  Agreement,  or  otherwise
(including without limitation reasonable attorneys’ fees and expenses), except for losses caused by Bank’s gross negligence or
willful misconduct as determined by a court of competent jurisdiction by final and non-appealable order.

Agreement.

12.3

Time of Essence.  Time is of the essence for the performance of all obligations set forth in this

other provision of this Agreement for the purpose of determining the legal enforceability of any specific provision.

12.4

Severability  of  Provisions.    Each  provision  of  this  Agreement  shall  be  severable  from  every

12.5

Amendments in Writing, Integration.  All amendments to or terminations of this Agreement or
the  other  Loan  Documents  must  be  in  writing.    All  prior  agreements,  understandings,  representations,  warranties,  and
negotiations between the parties hereto with respect to the subject matter of this Agreement and the other Loan Documents, if
any, are merged into this Agreement and the Loan Documents.

parties on separate counterparts, each of which, when executed and

12.6

Counterparts.  This Agreement may be executed in any number of counterparts and by different

22.

 
 
delivered,  shall  be  deemed  to  be  an  original,  and  all  of  which,  when  taken  together,  shall  constitute  but  one  and  the  same
Agreement.  Executed copies of the signature pages of this Agreement sent by facsimile or transmitted electronically in Portable
Document Format (“PDF”), or any similar format, shall be treated as originals, fully binding and with full legal force and effect,
and the parties waive any rights they may have to object to such treatment.

12.7

Survival.  All covenants, representations and warranties made in this Agreement shall continue in
full force and effect so long as any Obligations remain outstanding or Bank has any obligation to make any Credit Extension to
Borrower.  The obligations of Borrower to indemnify Bank with respect to the expenses, damages, losses, costs and liabilities
described  in  Section  12.2  shall  survive  until  all  applicable  statute  of  limitations  periods  with  respect  to  actions  that  may  be
brought against Bank have run.

12.8

Confidentiality and Publicity.  

(a)

Borrower  shall  not,  and  shall  not  permit  any  of  its  Affiliates  to:    (i)  publish  or  disclose  any
materials containing Bank’s name, including in any press release or otherwise in connection with any advertising or marketing,
without first obtaining Bank’s prior written consent, or (ii) use Bank’s name (or the name of any of its Affiliates) in connection
with  its  operations  or  business.    Notwithstanding  the  foregoing,  Bank  acknowledges  that  Borrower  may  disclose  and  make
available  to  the  public  materials  containing  Bank’s  name  or  other  information  to  the  extent  required  by  the  Securities  and
Exchange  Commission  or  in  connection  with  Borrower’s  submission  of  reports  or  information  to  the  Securities  and  Exchange
Commission.

(b) In handling any confidential information, Bank shall exercise commercially reasonable efforts to maintain
in  confidence,  in  accordance  with  its  customary  procedures  for  handling  confidential  information,  all  written  non-public
information  furnished  to  Bank  on  a  confidential  basis  clearly  identified  at  the  time  of  delivery  as  such  (“Confidential
Information”) other than any such Confidential Information that becomes generally available to the public or becomes available
to Bank from a source other than Borrower and that is not known to Bank to be subject to confidentiality obligations; provided,
that  Bank  and  its  Affiliates  shall  have  the  right  to  disclose  Confidential  Information  to:  (i)  such  Person’s  Affiliates;  (ii)  such
Person or such Person’s Affiliates’ lenders, funding sources, or financing sources; (iii) such Person’s or such Person’s Affiliates’
directors, officers, trustees, partners, members, managers, employees, agents, advisors, representatives, attorneys, equity owners,
professional consultants, portfolio management services and rating agencies; (iv) any successor or assign of Bank; (v) any Person
to whom Bank offers to sell, assign or transfer any Credit Extension or any part thereof or any interest or participation therein;
(vi) any Person that provides statistical analysis and/or information services to Bank or its Affiliates; and (vii) any Person (A) to
the  extent  required  by  it  by  law,  (B)  as  may  be  required  in  connection  with  the  examination,  audit,  or  similar  investigation  of
Bank,  (C)  in  response  to  any  subpoena  or  other  legal  process  or  informal  investigative  demand,  (D)  in  connection  with  any
litigation,  or  (E)  in  connection  with  the  actual  or  potential  exercise  or  enforcement  of  any  right  or  remedy  under  any  Loan
Document.    The  obligations  of  Bank  and  its  Affiliates  under  this  Section  12.8  shall  supersede  and  replace  any  other
confidentiality obligations agreed to by Bank or its Affiliates.

23.

 
 
13.

CO-BORROWER PROVISIONS.

13.1

Primary Obligation.  This Agreement is a primary and original obligation of each Borrower and
shall remain in effect notwithstanding future changes in conditions, including any change of law or any invalidity or irregularity
in  the  creation  or  acquisition  of  any  Obligations  or  in  the  execution  or  delivery  of  any  agreement  between  Bank  and  any
Borrower.    Each  Borrower  shall  be  liable  for  existing  and  future  Obligations  as  fully  as  if  all  of  all  Credit  Extensions  were
advanced to such Borrower.  Bank may rely on any certificate or representation made by any Borrower as made on behalf of, and
binding on, all Borrowers, including without limitation Disbursement Request Forms and Compliance Certificates.

Enforcement of Rights.  Borrowers are jointly and severally liable for the Obligations and Bank
may proceed against one or more of the Borrowers to enforce the Obligations without waiving its right to proceed against any of
the other Borrowers.

13.2

13.3

Borrowers  as  Agents.    Each  Borrower  appoints  the  other  Borrower  as  its  agent  with  all
necessary power and authority to give and receive notices, certificates or demands for and on behalf of both Borrowers, to act as
disbursing  agent  for  receipt  of  any  Credit  Extensions  on  behalf  of  each  Borrower  and  to  apply  to  Bank  on  behalf  of  each
Borrower for Credit Extensions, any waivers and any consents.  This authorization cannot be revoked, and Bank need not inquire
as to each Borrower’s authority to act for or on behalf of Borrower.

13.4

Subrogation  and  Similar  Rights.    Notwithstanding  any  other  provision  of  this  Agreement  or
any other Loan Document, each Borrower irrevocably waives all rights that it may have at law or in equity (including, without
limitation, any law subrogating Borrower to the rights of Bank under the Loan Documents) to seek contribution, indemnification,
or  any  other  form  of  reimbursement  from  any  other  Borrower,  or  any  other  Person  now  or  hereafter  primarily  or  secondarily
liable for any of the Obligations, for any payment made by Borrower with respect to the Obligations in connection with the Loan
Documents or otherwise and all rights that it might have to benefit from, or to participate in, any security for the Obligations as a
result  of  any  payment  made  by  Borrower  with  respect  to  the  Obligations  in  connection  with  the  Loan  Documents  or
otherwise.  Any agreement providing for indemnification, reimbursement or any other arrangement prohibited under this Section
13.4 shall be null and void.  If any payment is made to a Borrower in contravention of this Section 13.4, such Borrower shall hold
such payment in trust for Bank and such payment shall be promptly delivered to Bank for application to the Obligations, whether
matured or unmatured.

13.5

Waivers  of  Notice.    Except  as  otherwise  provided  in  this  Agreement,  each  Borrower  waives
notice  of  acceptance  hereof;  notice  of  the  existence,  creation  or  acquisition  of  any  of  the  Obligations;  notice  of  an  Event  of
Default; notice of the amount of the Obligations outstanding at any time; notice of intent to accelerate; notice of acceleration;
notice of any adverse change in the financial condition of any other Borrower or of any other fact that might increase Borrower’s
risk;  presentment  for  payment;  demand;  protest  and  notice  thereof  as  to  any  instrument;  default;  and  all  other  notices  and
demands to which Borrower would otherwise be entitled.  Each Borrower waives any defense arising from any defense of any
other Borrower, or by reason of the cessation from any cause whatsoever of the liability of any other Borrower.  Bank’s failure at
any time to require strict performance by any Borrower of any provision of the

24.

 
 
Loan  Documents  shall  not  waive,  alter  or  diminish  any  right  of  Bank  thereafter  to  demand  strict  compliance  and  performance
therewith.    Nothing  contained  herein  shall  prevent  Bank  from  foreclosing  on  the  Lien  of  any  deed  of  trust,  mortgage  or  other
security instrument, or exercising any rights available thereunder, and the exercise of any such rights shall not constitute a legal
or equitable discharge of any Borrower.  Each Borrower also waives any defense arising from any act or omission of Bank that
changes the scope of Borrower’s risks hereunder.

Subrogation  Defenses.    Each  Borrower  hereby  waives  any  defense  based  on  impairment  or
destruction  of  its  subrogation  or  other  rights  against  any  other  Borrower  and  waives  all  benefits  which  might  otherwise  be
available to it under any statutory or common law suretyship defenses or marshalling rights, now or hereafter in effect.

13.6

13.7

Right to Settle, Release.

The  liability  of  Borrowers  hereunder  shall  not  be  diminished  by  (i)  any  agreement,
understanding  or  representation  that  any  of  the  Obligations  is  or  was  to  be  guaranteed  by  another  Person  or  secured  by  other
property, or (ii) any release or unenforceability, whether partial or total, of rights, if any, which Bank may now or hereafter have
against any other Person, including another Borrower, or property with respect to any of the Obligations.

(a)

(b)

Without  affecting  the  liability  of  any  Borrower  hereunder,  Bank  may  (i)  compromise,
settle,  renew,  extend  the  time  for  payment,  change  the  manner  or  terms  of  payment,  discharge  the  performance  of,  decline  to
enforce, or release all or any of the Obligations with respect to a Borrower, (ii) grant other indulgences to a Borrower in respect
of the Obligations, (iii) modify in any manner any documents relating to the Obligations with respect to a Borrower, (iv) release,
surrender  or  exchange  any  deposits  or  other  property  securing  the  Obligations,  whether  pledged  by  a  Borrower  or  any  other
Person, or (v) compromise, settle, renew, or extend the time for payment, discharge the performance of, decline to enforce, or
release all or any obligations of any guarantor, endorser or other Person who is now or may hereafter be liable with respect to any
of the Obligations.

Subordination.    All  indebtedness  of  a  Borrower  now  or  hereafter  arising  held  by  another
Borrower  is  subordinated  to  the  Obligations  and  the  Borrower  holding  the  indebtedness  shall  take  all  actions  reasonably
requested by Bank to effect, to enforce and to give notice of such subordination.

13.8

25.

 
 
IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed as of the date first above written.

PRECISION BIOSCIENCES, INC.

By:

/s/ Abid Ansari

Name:Abid Ansari

Title: Chief Financial Officer

ELO LIFE SYSTEMS, INC.

By:

/s/ Fayaz Khazi

Name:Fayaz Khazi

Title: Chief Executive Officer

PACIFIC WESTERN BANK

By:

/s/ Zack Robbins

Name:Zack Robbins

Title: VP

26.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
DEFINITIONS

EXHIBIT A

“Accounts” means all presently existing and hereafter arising accounts, contract rights, payment intangibles and all other forms
of obligations owing to Borrower arising out of the sale or lease of goods (including, without limitation, the licensing of software
and other technology) or the rendering of services by Borrower and any and all credit insurance, guaranties, and other security
therefor, as well as all merchandise returned to or reclaimed by Borrower and Borrower’s Books relating to any of the foregoing.

“Advance” or “Advances” means a cash advance or cash advances under the Revolving Line.

“Affiliate” means, with respect to any Person, any Person that owns or controls directly or indirectly such Person, any Person that
controls or is controlled by or is under common control with such Person, and each of such Person’s senior executive officers,
directors, and general partners.

“Authorized Officer” means someone designated as such in the corporate resolution provided by Borrower to Bank in which this
Agreement and the transactions contemplated hereunder are authorized by Borrower’s board of directors.  If Borrower provides
subsequent corporate resolutions to Bank after the Closing Date, the individual(s) designated as “Authorized Officer(s)” in the
most recently provided resolution shall be the only “Authorized Officers” for purposes of this Agreement.

“Bank Expenses” means all reasonable costs or expenses (including reasonable attorneys’ fees and expenses, whether generated
by in-house or by outside counsel) incurred in connection with the preparation, negotiation, administration, and enforcement of
the Loan Documents;  reasonable Collateral audit fees; and Bank’s reasonable attorneys’ fees and expenses (whether generated
in-house or by outside counsel) incurred in amending, enforcing or defending the Loan Documents (including fees and expenses
of appeal), incurred before, during and after an Insolvency Proceeding, whether or not suit is brought.

“Borrower’s  Books”  means  all  of  Borrower’s  books  and  records,  including:    ledgers;  records  concerning  Borrower’s  assets  or
liabilities, the Collateral, business operations or financial condition; and all computer programs, or tape files, and the equipment,
containing such information.

“Business Day” means any day that is not a Saturday, Sunday, or other day on which banks in the State of North Carolina are
authorized or required to close.

“Capitalized Expenditures” means current period unfinanced cash expenditures that are capitalized and amortized over a period
of time in accordance with GAAP, including but not limited to capitalized cash expenditures for capital equipment, capitalized
manufacturing and labor costs as they relate to inventory, and capitalized cash expenditures for software development.

“Cash” means unrestricted cash and cash equivalents.

1.

 
 
 
“Change in Control” shall mean (a) a transaction other than a bona fide equity financing or series of financings on terms and from
investors reasonably acceptable to Bank in which any “person” or “group” (within the meaning of Section 13(d) and 14(d)(2) of
the Securities Exchange Act of 1934) becomes the “beneficial owner” (as defined in Rule 13d-3 under the Securities Exchange
Act of 1934), directly or indirectly, of a sufficient number of shares of all classes of stock then outstanding of Parent ordinarily
entitled to vote in the election of directors, empowering such “person” or “group” to elect a majority of the Board of Directors of
Parent, who did not have such power before such transaction; or (b) Borrower shall cease to own and control 100% of the equity
interests in each of its Subsidiaries.

“Closing Date” means the date of this Agreement.

“Code” means the North Carolina Uniform Commercial Code as amended or supplemented from time to time.

“Collateral” means the property described on Exhibit B attached hereto and all Negotiable Collateral to the extent not described
on Exhibit B, except to the extent any such property (i) is non-assignable by its terms without the consent of the licensor thereof
or  another  party  (but  only  to  the  extent  such  prohibition  on  transfer  is  enforceable  under  applicable  law,  including,  without
limitation, Sections §25-9-406 and §25-9-408 of the Code), (ii) is property for which the granting of a security interest therein is
contrary  to  applicable  law,  provided  that  upon  the  cessation  of  any  such  restriction  or  prohibition,  such  property  shall
automatically become part of the Collateral, (iii) constitutes the capital stock of a controlled foreign corporation (as defined in the
IRC), in excess of 65% of the voting power of all classes of capital stock of such controlled foreign corporations entitled to vote,
(iv) property (including any attachments, accessions or replacements) that is subject to a Lien that is permitted pursuant to clause
(c) of the definition of Permitted Liens, if the grant of a security interest with respect to such property pursuant to this Agreement
would be prohibited by the agreement creating such Permitted Lien or would otherwise constitute a default thereunder, provided,
that such property will be deemed "Collateral" hereunder upon the termination and release of such Permitted Lien, or (v) is an
Excluded Account.

“Collateral State” means the state or states where the Collateral is located, which is North Carolina.  

“Compliance Certificate” means a compliance certificate, in substantially the form of Exhibit D attached hereto, executed by a
Responsible Officer of Borrower.

“Contingent Obligation” means, as applied to any Person, any direct or indirect liability, contingent or otherwise, of that Person
with respect to (i) any indebtedness, lease, dividend, letter of credit or other obligation of another, including, without limitation,
any such obligation directly or indirectly guaranteed, endorsed, co-made or discounted or sold with recourse by that Person, or in
respect of which that Person is otherwise directly or indirectly liable; (ii) any obligations with respect to undrawn letters of credit,
corporate  credit  cards  or  merchant  services  issued  for  the  account  of  that  Person;  and  (iii)  all  obligations  arising  under  any
interest  rate,  currency  or  commodity  swap  agreement,  interest  rate  cap  agreement,  interest  rate  collar  agreement,  or  other
agreement  or  arrangement  designated  to  protect  a  Person  against  fluctuation  in  interest  rates,  currency  exchange  rates  or
commodity  prices;  provided,  however,  that  the  term  “Contingent  Obligation”  shall  not  include  endorsements  for  collection  or
deposit in the ordinary course of

2.

 
 
 
business.  The amount of any Contingent Obligation shall be deemed to be an amount equal to the stated or determined amount of
the primary obligation in respect of which such Contingent Obligation is made or, if not stated or determinable, the maximum
reasonably  anticipated  liability  in  respect  thereof  as  determined  by  such  Person  in  good  faith;  provided,  however,  that  such
amount shall not in any event exceed the maximum amount of the obligations under the guarantee or other support arrangement.

“Copyrights” means any and all copyright rights, copyright applications, copyright registrations and like protections in each work
or authorship and derivative work thereof, whether published or unpublished and whether or not the same also constitutes a trade
secret, now or hereafter existing, created, acquired or held.

“Credit Card Line” means a Credit Extension of up to $75,000, to be used exclusively for the provision of Credit Card Services.

“Credit Card Maturity Date” means the date that is 364 days after the Closing Date.

“Credit Extension” means each Advance, the Credit Card Services provided under the Credit Card Line, or any other extension of
credit by Bank to or for the benefit of Borrower hereunder.

“Deposit Account Threshold” means One Hundred Million Dollars ($100,000,000), provided that the calculation of Borrower’s
Cash  held  at  Bank  and  Bank’s  affiliates  shall  exclude  any  amounts  held  in  Excluded  Accounts  for  purposes  of  calculating
whether Borrower meets the Deposit Account Threshold as of any date of determination.

“Early Termination Fee” is defined in Section 2.5(c).

“Equipment” means all present and future machinery, equipment, tenant improvements, furniture, fixtures, vehicles, tools, parts
and attachments in which Borrower has any interest.

“ERISA” means the Employee Retirement Income Security Act of 1974, as amended, and the regulations thereunder.

“Event of Default” has the meaning assigned in Article 8.

“Excluded Accounts” means deposit accounts exclusively used for payroll, payroll taxes, and other employee wage and benefit
payments to or for the benefit of Borrower’s employees and identified to Bank by Borrower as such; provided that the amount of
funds in such accounts does not at any time exceeds in the aggregate: the sum of (x) two (2) weeks of Borrower’s then-current
payroll expenses, plus (y) the amount held in trust for Borrower’s employees directly from employee wage and benefit payments.

“Extension  Milestone”  means  Borrower  has  delivered  evidence  acceptable  to  Bank  that  Borrower  has  received,  during  the
twelve-month  period  beginning  on  March  1,  2019,  aggregate  gross  Cash  proceeds  of  not  less  than  $175,000,000  from  the
issuance of Borrower’s equity securities on term and conditions, and from investors, satisfactory to Bank.  Bank acknowledges
that the Extension Milestone has been achieved on or prior to the Closing Date.

3.

 
 
“GAAP” means generally accepted accounting principles, consistently applied, as in effect from time to time in the United States.

“Indebtedness” means (a) all indebtedness for borrowed money or the deferred purchase price of property or services, including
without  limitation  reimbursement  and  other  obligations  with  respect  to  surety  bonds  and  letters  of  credit,  (b)  all  obligations
evidenced by notes, bonds, debentures or similar instruments, (c) all capital lease obligations, and (d) all Contingent Obligations,
including but not limited to any sublimit contained herein.

“Insolvency Proceeding” means any proceeding commenced by or against any Person or entity under any provision of the United
States Bankruptcy Code, as amended, or under any other bankruptcy or insolvency law, including assignments for the benefit of
creditors,  formal  or  informal  moratoria,  compositions,  extension  generally  with  its  creditors,  or  proceedings  seeking
reorganization, arrangement, or other relief.

“Intellectual Property” means all of Borrower’s right, title, and interest in and to the following:

(a)

Copyrights, Trademarks and Patents;

(b)
products now or hereafter existing, created, acquired or held;

Any  and  all  trade  secrets,  and  any  and  all  intellectual  property  rights  in  computer  software  and  computer  software

(c)

Any and all design rights which may be available to Borrower now or hereafter existing, created, acquired or held;

(d)
Any and all claims for damages by way of past, present and future infringement of any of the rights included above,
with the right, but not the obligation, to sue for and collect such damages for said use or infringement of the intellectual property
rights identified above;

(e)
arising from such use to the extent permitted by such license or rights;

All  licenses  or  other  rights  to  use  any  of  the  Copyrights,  Patents  or  Trademarks,  and  all  license  fees  and  royalties

(f)

All amendments, renewals and extensions of any of the Copyrights, Trademarks or Patents; and

(g)
indemnity or warranty payable in respect of any of the foregoing.

All  proceeds  and  products  of  the  foregoing,  including  without  limitation  all  payments  under  insurance  or  any

“Inventory” means all present and future inventory in which Borrower has any interest.

“Investment”  means  any  beneficial  ownership  of  (including  stock,  partnership  or  limited  liability  company  interest  or  other
securities) any Person, or any loan, advance or capital contribution to any Person.

“IRC” means the Internal Revenue Code of 1986, as amended, and the regulations thereunder.

“Letter  of  Credit”  means  a  commercial  or  standby  letter  of  credit  or  similar  undertaking  issued  by  Bank  (or  any  of  its
correspondent banks) at Borrower’s request.

4.

 
 
“Lien” means any mortgage, lien, deed of trust, charge, pledge, security interest or other encumbrance.

“Loan  Documents”  means,  collectively,  this  Agreement,  any  note  or  notes  executed  by  Borrower,  and  any  other  document,
instrument or agreement entered into in connection with this Agreement, all as amended or extended from time to time.

“Material Adverse Effect” means a material adverse effect on (i) the operations, business or financial condition of Borrower and
its Subsidiaries taken as a whole, (ii) the ability of Borrower to repay the Obligations or otherwise perform its obligations under
the  Loan  Documents,  or  (iii)  Borrower’s  interest  in,  or  the  value,  perfection  or  priority  of  Bank’s  security  interest  in  the
Collateral.

“Negotiable Collateral” means all of Borrower’s present and future letters of credit of which it is a beneficiary, drafts, instruments
(including  promissory  notes),  securities,  documents  of  title,  and  chattel  paper,  and  Borrower’s  Books  relating  to  any  of  the
foregoing.

“Obligations”  means  all  debt,  principal,  interest,  Bank  Expenses,  obligations  in  respect  of  Credit  Card  Services,  and  other
amounts owed to Bank by Borrower pursuant to this Agreement or any other agreement, whether absolute or contingent, due or
to become due, now existing or hereafter arising, including any interest that accrues after the commencement of an Insolvency
Proceeding  and  including  any  debt,  liability,  or  obligation  owing  from  Borrower  to  others  that  Bank  may  have  obtained  by
assignment or otherwise.

“Patents”  means  all  patents,  patent  applications  and  like  protections  including  without  limitation  improvements,  divisions,
continuations, renewals, reissues, extensions and continuations-in-part of the same.

“Periodic Payments” means all installments or similar recurring payments that Borrower may now or hereafter become obligated
to  pay  to  Bank  pursuant  to  the  terms  and  provisions  of  any  instrument,  or  agreement  now  or  hereafter  in  existence  between
Borrower and Bank.

“Permitted Indebtedness” means:

(a)

(b)

Indebtedness of Borrower in favor of Bank arising under this Agreement or any other Loan Document;

Indebtedness existing on the Closing Date and disclosed in the Schedule;

(c)
Indebtedness  not  to  exceed  $500,000  in  the  aggregate  at  any  time  secured  by  a  lien  described  in  clause  (c)  of  the
defined term “Permitted Liens,” provided such Indebtedness does not exceed at the time it is incurred the lesser of the cost or fair
market value of the property financed with such Indebtedness;

(d)

(e)

Subordinated Debt;

Indebtedness from one Borrower to any other Borrower;

5.

 
 
(f)

Indebtedness to trade creditors incurred in the ordinary course of business; and

(g)
not increased or the terms modified to impose more burdensome terms upon Borrower or its Subsidiary, as the case may be.

Extensions, refinancings and renewals of any items of Permitted Indebtedness, provided that the principal amount is

“Permitted Investment” means:

(a)

Investments existing on the Closing Date disclosed in the Schedule;

(b)
(i) Marketable direct obligations issued or unconditionally guaranteed by the United States of America or any agency
or any State thereof maturing within one year from the date of acquisition thereof, (ii) commercial paper maturing no more than
one  year  from  the  date  of  creation  thereof  and  currently  having  rating  of  at  least  A-2  or  P-2  from  either  Standard  &  Poor’s
Corporation or Moody’s Investors Service, (iii) Bank’s certificates of deposit maturing no more than one year from the date of
investment therein, and (iv) Bank’s money market accounts; (v) Investments in regular deposit or checking accounts held with
Bank  or  as  otherwise  permitted  by,  and  subject  to  the  terms  and  conditions  of,  Section  6.6  of  this  Agreement;  and  (vi)
Investments consistent with any investment policy adopted by Borrower’s board of directors;

(c)

Investments accepted in connection with Permitted Transfers;

(d)
exceed $500,000 in the aggregate in any fiscal year;

Investments of Subsidiaries in or to other Subsidiaries or Borrower and Investments by Borrower in Subsidiaries not to

(e)
Investments  not  to  exceed  $500,000  outstanding  in  the  aggregate  at  any  time  consisting  of  (i)  travel  advances  and
employee relocation loans and other employee loans and advances in the ordinary course of business, and (ii) loans to employees,
officers  or  directors  relating  to  the  purchase  of  equity  securities  of  Borrower  or  its  Subsidiaries  pursuant  to  employee  stock
purchase plan agreements approved by Borrower’s Board of Directors;

(f)
Investments (including debt obligations) received in connection with the bankruptcy or reorganization of customers or
suppliers and in settlement of delinquent obligations of, and other disputes with, customers or suppliers arising in the ordinary
course of Borrower’s business;

(g)
Investments  consisting  of  notes  receivable  of,  or  prepaid  royalties  and  other  credit  extensions,  to  customers  and
suppliers  who  are  not  Affiliates,  in  the  ordinary  course  of  business,  provided  that  this  subparagraph  (g)  shall  not  apply  to
Investments of Borrower in any Subsidiary;

(h)
Joint  ventures  or  strategic  alliances  in  the  ordinary  course  of  Borrower’s  business  consisting  of  the  non-exclusive
licensing of technology, the development of technology or the providing of technical support, provided that any cash Investments
by Borrower do not exceed $500,000 in the aggregate in any fiscal year; and

(i)

Investments permitted under Section 7.3.

“Permitted Liens” means the following:

6.

 
 
Any  Liens  existing  on  the  Closing  Date  and  disclosed  in  the  Schedule  (excluding  Liens  to  be  satisfied  with  the
(a)
proceeds of the Credit Extensions) or arising under this Agreement, the other Loan Documents, or any other agreement in favor
of Bank;

(b)
good faith by appropriate proceedings and for which Borrower maintains adequate reserves;

Liens for taxes, fees, assessments or other governmental charges or levies, either not delinquent or being contested in

(c)
Liens  not  to  exceed  $500,000  in  the  aggregate  at  any  time  (i)  upon  or  in  any  Equipment  (other  than  Equipment
financed  by  a  Credit  Extension)  acquired  or  held  by  Borrower  or  any  of  its  Subsidiaries  to  secure  the  purchase  price  of  such
Equipment or indebtedness incurred solely for the purpose of financing the acquisition or lease of such Equipment, or (ii) existing
on such Equipment at the time of its acquisition, in each case provided that the Lien is confined solely to the property so acquired
and improvements thereon, and the proceeds of such Equipment;

Liens incurred in connection with the extension, renewal or refinancing of the indebtedness secured by Liens of the
(d)
type described in clauses (a) through (c) above, provided that any extension, renewal or replacement Lien shall be limited to the
property encumbered by the existing Lien and the principal amount of the indebtedness being extended, renewed or refinanced
does not increase; and

(e)
Sections 8.4 (attachment) or8.8 (judgments).

Liens  arising  from  judgments,  decrees  or  attachments  in  circumstances  not  constituting  an  Event  of  Default  under

“Permitted Transfer” means the conveyance, sale, lease, transfer or disposition by Borrower or any Subsidiary of:  

(a)

Inventory in the ordinary course of business;

(b)
business;

(c)

(d)

(e)

licenses and similar arrangements for the use of the property of Borrower or its Subsidiaries in the ordinary course of

worn-out, surplus or obsolete Equipment not financed with the proceeds of Credit Extensions;

grants of security interests and other Liens that constitute Permitted Liens; and

other assets of Borrower or its Subsidiaries that do not in the aggregate exceed $250,000 during any fiscal year.

“Person”  means  any  individual,  sole  proprietorship,  partnership,  limited  liability  company,  joint  venture,  trust,  unincorporated
organization,  association,  corporation,  institution,  public  benefit  corporation,  firm,  joint  stock  company,  estate,  entity  or
governmental agency.

“Prime Rate” means the variable rate of interest, per annum, most recently announced by Bank, as its “prime rate,” whether or
not such announced rate is the lowest rate available from Bank.

7.

 
 
“Responsible Officer” means each of the Chief Executive Officer, the Chief Operating Officer, the Chief Financial Officer, Vice
President of Finance and the Controller of Borrower, as well as any other officer or employee identified as an Authorized Officer
in the corporate resolution delivered by Borrower to Bank in connection with this Agreement.

“Revolving Line” means a Credit Extension of up to $50,000,000.

“Revolving Maturity Date” means May 15, 2020; provided, however, that if Borrower achieves the “Extension Milestone”, then
“Revolving Maturity Date” shall instead mean May 15, 2022.

“Schedule” means the schedule of exceptions attached hereto and approved by Bank, if any.

“Shares”  means  (i)  sixty-five  percent  (65%)  of  the  issued  and  outstanding  capital  stock,  membership  units  or  other  securities
owned or held of record by Borrower in any Subsidiary of Borrower which is not an entity organized under the laws of the United
States or territory thereof, and (ii) one hundred percent (100%) of the issued and outstanding capital stock, membership units or
other securities owned or held of record by Borrower in any Subsidiary of Borrower which is an entity organized under the laws
of the United States or any territory thereof.

“SOS Reports” means the official reports from the Secretaries of State of each Collateral State, the state where Borrower’s chief
executive  office  is  located,  the  state  of  Borrower’s  formation  and  other  applicable  federal,  state  or  local  government  offices
identifying all current security interests filed in the Collateral and Liens of record as of the date of such report.

“Subordinated Debt” means any debt incurred by Borrower that is subordinated in writing to the debt owing by Borrower to Bank
on terms reasonably acceptable to Bank (and identified as being such by Borrower and Bank).

“Subsidiary” means any corporation, partnership or limited liability company or joint venture in which (i) any general partnership
interest  or  (ii)  more  than  50%  of  the  stock,  limited  liability  company  interest  or  joint  venture  of  which  by  the  terms  thereof
ordinary  voting  power  to  elect  the  Board  of  Directors,  managers  or  trustees  of  the  entity,  at  the  time  as  of  which  any
determination is being made, is owned by Borrower, either directly or through an Affiliate.

“Trademarks” means any trademark and servicemark rights, whether registered or not, applications to register and registrations of
the  same  and  like  protections,  and  the  entire  goodwill  of  the  business  of  Borrower  connected  with  and  symbolized  by  such
trademarks.

8.

 
 
 
 
 
 
 
 
 
 
DEBTOR

PRECISION BIOSCIENCES, INC.

SECURED PARTY:

PACIFIC WESTERN BANK

EXHIBIT B

COLLATERAL DESCRIPTION ATTACHMENT TO LOAN AND SECURITY AGREEMENT

All personal property of Borrower (herein referred to as “Borrower” or “Debtor”) whether presently existing or hereafter created
or acquired, and wherever located, including, but not limited to:

(a)
all  accounts  (including  health-care-insurance  receivables),  chattel  paper  (including  tangible  and  electronic  chattel
paper),  deposit  accounts,  documents  (including  negotiable  documents),  equipment  (including  all  accessions  and  additions
thereto), financial assets, general intangibles (including patents, trademarks, copyrights, goodwill, payment intangibles, domain
names and software), goods (including fixtures), instruments (including promissory notes), inventory (including all goods held
for  sale  or  lease  or  to  be  furnished  under  a  contract  of  service,  and  including  returns  and  repossessions),  investment  property
(including securities and securities entitlements), letter of credit rights, money, and all of Debtor’s books and records with respect
to any of the foregoing, and the computers and equipment containing said books and records;

any  and  all  cash  proceeds  and/or  noncash  proceeds  of  any  of  the  foregoing,  including,  without  limitation,  insurance
(b)
proceeds, and all supporting obligations and the security therefor or for any right to payment.  All terms above have the meanings
given  to  them  in  the  North  Carolina  Uniform  Commercial  Code,  as  amended  or  supplemented  from  time  to  time,  including
revised Division 9 of the Uniform Commercial Code-Secured Transactions.

Notwithstanding  the  foregoing,  the  Collateral  shall  not  include  any  of  the  intellectual  property,  in  any
medium, of any kind or nature whatsoever, now or hereafter owned or acquired or received by Borrower, or in which Borrower
now holds or hereafter acquires or receives any right or interest (collectively, the “Intellectual Property”); provided, however, that
the  Collateral  shall  include  all  accounts  and  general  intangibles  that  consist  of  rights  to  payment  and  proceeds  from  the  sale,
licensing or disposition of all or any part, or rights in, the foregoing (the “Rights to Payment”).  

Notwithstanding  the  foregoing,  if  a  judicial  authority  (including  a  U.S.  Bankruptcy  Court)  holds  that  a
security interest in the underlying Intellectual Property is necessary to have a security interest in the Rights to Payment, then the
Collateral shall automatically, and effective as of May 15, 2019, include the Intellectual Property to the extent and only to the
extent necessary to permit perfection of Bank’s security interest in the Rights to Payment, and further provided, however, that
Bank’s  enforcement  rights  with  respect  to  any  security  interest  in  the  Intellectual  Property  shall  be  absolutely  limited  to  the
Rights to Payment only, and Bank shall have no recourse whatsoever with respect to the underlying Intellectual Property.

 
 
 
 
 
 
 
DEBTOR

ELO LIFE SYSTEMS, INC.

SECURED PARTY:

PACIFIC WESTERN BANK

EXHIBIT B-1

COLLATERAL DESCRIPTION ATTACHMENT TO LOAN AND SECURITY AGREEMENT

All personal property of Borrower (herein referred to as “Borrower” or “Debtor”) whether presently existing or hereafter created
or acquired, and wherever located, including, but not limited to:

(a)
all  accounts  (including  health-care-insurance  receivables),  chattel  paper  (including  tangible  and  electronic  chattel
paper),  deposit  accounts,  documents  (including  negotiable  documents),  equipment  (including  all  accessions  and  additions
thereto), financial assets, general intangibles (including patents, trademarks, copyrights, goodwill, payment intangibles, domain
names and software), goods (including fixtures), instruments (including promissory notes), inventory (including all goods held
for  sale  or  lease  or  to  be  furnished  under  a  contract  of  service,  and  including  returns  and  repossessions),  investment  property
(including securities and securities entitlements), letter of credit rights, money, and all of Debtor’s books and records with respect
to any of the foregoing, and the computers and equipment containing said books and records;

(b)
any  and  all  cash  proceeds  and/or  noncash  proceeds  of  any  of  the  foregoing,  including,  without  limitation,  insurance
proceeds, and all supporting obligations and the security therefor or for any right to payment.  All terms above have the meanings
given  to  them  in  the  North  Carolina  Uniform  Commercial  Code,  as  amended  or  supplemented  from  time  to  time,  including
revised Division 9 of the Uniform Commercial Code-Secured Transactions.

Notwithstanding  the  foregoing,  the  Collateral  shall  not  include  any  of  the  intellectual  property,  in  any
medium, of any kind or nature whatsoever, now or hereafter owned or acquired or received by Borrower, or in which Borrower
now holds or hereafter acquires or receives any right or interest (collectively, the “Intellectual Property”); provided, however, that
the  Collateral  shall  include  all  accounts  and  general  intangibles  that  consist  of  rights  to  payment  and  proceeds  from  the  sale,
licensing or disposition of all or any part, or rights in, the foregoing (the “Rights to Payment”).  

Notwithstanding  the  foregoing,  if  a  judicial  authority  (including  a  U.S.  Bankruptcy  Court)  holds  that  a
security interest in the underlying Intellectual Property is necessary to have a security interest in the Rights to Payment, then the
Collateral shall automatically, and effective as of May 15, 2019, include the Intellectual Property to the extent and only to the
extent necessary to permit perfection of Bank’s security interest in the Rights to Payment, and further provided, however, that
Bank’s  enforcement  rights  with  respect  to  any  security  interest  in  the  Intellectual  Property  shall  be  absolutely  limited  to  the
Rights to Payment only, and Bank shall have no recourse whatsoever with respect to the underlying Intellectual Property.

 
 
 
 
 
EXHIBIT C

LOAN ADVANCE/PAYDOWN REQUEST FORM
[Please refer to New Borrower Kit]

EXHIBIT D

COMPLIANCE CERTIFICATE

[Please refer to New Borrower Kit]

 
 
 
 
SCHEDULE OF EXCEPTIONS

(omitted pursuant to SEC regulations)

Permitted Indebtedness (Exhibit A)
Permitted Investments (Exhibit A)
Prior Names (Section 5.5)
Litigation (Section 5.6)
Inbound Licenses (Section 5.12)

 
 
 
 
 
 
 
FIRST AMENDMENT
TO
LOAN AND SECURITY AGREEMENT

This First Amendment to  Loan  and  Security Agreement  (this  “Amendment”) is  made  and  entered  into  as  of  September  18,
2019,  by  and  among  PACIFIC  WESTERN  BANK,  a  California  state  chartered  bank  (“Bank”),  and  PRECISION
BIOSCIENCES, INC. and ELO LIFE SYSTEMS, INC. (individually and collectively, jointly and severally, “Borrower”).

Borrower and Bank are parties to that certain Loan and Security Agreement dated as of May 15, 2019 (as amended from time
to time, the “Agreement”). The parties desire to amend the Agreement in accordance with the terms of this Amendment.

RECITALS

NOW, THEREFORE, the parties agree as follows:

1)

Section 6.6 of the Agreement is hereby amended and restated, as follows:

6.6   Primary Depository. At all times when the aggregate balance of Borrower’s Cash at Bank and Bank’s affiliates is less
than the Deposit Account Threshold, Borrower shall maintain, and shall cause all of its Subsidiaries to maintain, all depository
and operating accounts with Bank and all investment accounts with Bank or Bank’s affiliates. At all times when the aggregate
balance of Borrower’s Cash at Bank and Bank’s affiliates equals or exceeds the Deposit Account Threshold, Borrower and its
Subsidiaries may maintain Cash balances that exceed the Deposit Account Threshold in depository, operating, and investments
accounts  outside  of  Bank  or  Bank’s  affiliates,  so  long  as  each  such  account  outside  of  Bank  is  subject  to  a  dulyexecuted
account control agreement in favor of Bank, and in form and substance reasonably satisfactory to Bank. Notwithstanding the
foregoing, Precision UK may maintain a bank account in the United Kingdom, with such account not subject to an account
control agreement in favor of Bank, so long as the balance in such account does not exceed $150,000 (or its USD equivalent)
at  any  time.  Prior  to  Borrower  maintaining  any  investment  accounts  with  Bank’s  affiliates,  Borrower,  Bank,  and  any  such
affiliate shall have entered into a securities account control agreement with respect to any such investment accounts, in form
and substance reasonably satisfactory to Bank.

2)

A new Section 7.13 is hereby added to the Agreement, as follows:

7.13 UK Subsidiary. Permit Precision UK to maintain cash exceeding $150,000 or non- cash assets exceeding a book value of
$50,000 at any time.

3)

Bank’s notice addresses in Article 10 of the Agreement are hereby amended and restated, as follows:

If to Bank:

Pacific Western Bank
406 Blackwell Street, Suite 240
Durham, North Carolina 27701
Attn: Loan Operations Manager

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
with a Copy to:

FAX: (919) 314-3080
Email: loannotices@pacwest.com

Pacific Western Bank
131 Oliver Street, Suite 250
Boston, Massachusetts 02110 Attn: Scott Hansen
Email: shansen@pacwest.com

  4) Subsection (d) of the defined term “Permitted Investment” in Exhibit A to the Agreement is hereby amended and restated,

as follows:

(d)  Investments  of  Subsidiaries  in  or  to  other  Subsidiaries  or  Borrower  and  Investments  by  Borrower  in

Subsidiaries not to exceed $1,000,000 in the aggregate in any fiscal year;

  5) The following defined term is hereby added to Exhibit A of the Agreement, as follows: “Precision UK” means Precision

Biosciences UK Limited, a private limited
company formed under the laws of England and Wales and a wholly owned Subsidiary of Borrower.

  6) Unless otherwise defined, all initially capitalized terms in this Amendment shall be as defined in the Agreement. The

Agreement, as amended hereby, shall be and remain in full force and effect in accordance with its respective terms and
hereby is ratified and confirmed in all respects. Except as expressly set forth herein, the execution, delivery, and
performance of this Amendment shall not operate as a waiver of, or as an amendment of, any right, power, or remedy of
Bank under the Agreement, as in effect prior to the date hereof. Each Borrower ratifies and reaffirms the continuing
effectiveness of all agreements entered into in connection with the Agreement.

  7) Each Borrower represents and warrants that the representations and warranties contained in the Agreement are true and
correct in all material respects as of the date of this Amendment (except that any representations and warranties that
expressly refer to an earlier date shall be true and correct in all material respects as of such date, and except for
representations and warranties that by their terms include a materiality qualification, which shall be true and correct in all
respects).

  8) This Amendment may be executed in two or more counterparts, each of which shall be deemed an original, but all of which

together shall constitute one instrument.

  9) As a condition to the effectiveness of this Amendment, Bank shall have received, in form and substance satisfactory to

Bank, the following:

a)

this Amendment, duly executed by each Borrower;

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
b)

payment  for  all  Bank  Expenses  incurred  through  the  date  of  this  Amendment,  including  Bank’s  expenses  for  the
documentation of this Amendment and any UCC, good standing or intellectual property search or filing fees, which may be
debited from any of Borrower’s accounts; and

c)

such other documents and completion of such other matters, as Bank may reasonably deem necessary or appropriate.

[Signature Page Follows]

 
 
 
 
 
 
 
 
 
IN WITNESS WHEREOF, the undersigned have executed this Amendment as of the first date above written.

PRECISION BIOSCIENCES, INC.

PACIFIC WESTERN BANK

/s/ Abid Ansari

By:
Name: Abid Ansari
Title: CFO

ELO LIFE SYSTEMS, INC.

/s/ Abid Ansari

By:
Name: Abid Ansari
Title: CFO

By:
Name:  
Title:

[Signature Page to First Amendment to Loan and Security Agreement]

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
IN WITNESS WHEREOF, the undersigned have executed this Amendment as of the first date above written.

PRECISION BIOSCIENCES, INC.

PACIFIC WESTERN BANK

By:
Name:  
Title:

ARTICLE 1.ELO LIFE SYSTEMS, INC.

By:
Name:  
Title:

/s/ Joseph Holmes Dague

By:
Name: Joseph Holmes Dague
Title: Senior Vice President

[Signature Page to First Amendment to Loan and Security Agreement]

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
SECOND AMENDMENT
TO
LOAN AND SECURITY AGREEMENT

This  Second  Amendment  to  Loan  and  Security  Agreement  (this  “Amendment”)  is  made  and  entered  into  as  of  December  3,
2019,  by  and  among  PACIFIC  WESTERN  BANK,  a  California  state  chartered  bank  (“Bank”),  and  PRECISION
BIOSCIENCES, INC. and ELO LIFE SYSTEMS, INC. (individually and collectively, jointly and severally, “Borrower”).

RECITALS

Borrower and Bank are parties to that certain Loan and Security Agreement dated as of May 15, 2019 (as amended from time to
time, the “Agreement”).  The parties desire to amend the Agreement in accordance with the terms of this Amendment.

NOW, THEREFORE, the parties agree as follows:

1) Section 6.6 of the Agreement is hereby amended and restated, as follows:

6.6

Primary  Depository.    At  all  times  when  the  aggregate  balance  of  Borrower’s  Cash  at  Bank  and  Bank’s
affiliates  is  less  than  the  Deposit  Account  Threshold,  Borrower  shall  maintain,  and  shall  cause  all  of  its  Subsidiaries  to
maintain, all depository and operating accounts with Bank and all investment accounts with Bank or Bank’s affiliates. At all
times when the aggregate balance of Borrower’s Cash at Bank and Bank’s affiliates equals or exceeds the Deposit Account
Threshold,  Borrower  and  its  Subsidiaries  may  maintain  Cash  balances  that  exceed  the  Deposit  Account  Threshold  in
depository, operating, and investments accounts outside of Bank or Bank’s affiliates, so long as each such account outside of
Bank  is  subject  to  a  duly-executed  account  control  agreement  in  favor  of  Bank,  and  in  form  and  substance  reasonably
satisfactory to Bank.  Notwithstanding the foregoing, Precision UK may maintain a bank account in the United Kingdom,
with such account not subject to an account control agreement in favor of Bank, so long as the balance in such account does
not exceed £1,500,000 (or its US Dollar equivalent) at any time.  Prior to Borrower maintaining any investment accounts
with Bank’s affiliates, Borrower, Bank, and any such affiliate shall have entered into a securities account control agreement
with respect to any such investment accounts, in form and substance reasonably satisfactory to Bank.  

2) Section 7.13 of the Agreement is hereby amended and restated, as follows:

7.13

UK Subsidiary.  Permit Precision UK to maintain cash exceeding £1,500,000 or non-cash assets exceeding

a book value of $50,000 at any time.

3) Unless  otherwise  defined,  all  initially  capitalized  terms  in  this  Amendment  shall  be  as  defined  in  the  Agreement.    The
Agreement,  as  amended  hereby,  shall  be  and  remain  in  full  force  and  effect  in  accordance  with  its  respective  terms  and
hereby  is  ratified  and  confirmed  in  all  respects.    Except  as  expressly  set  forth  herein,  the  execution,  delivery,  and
performance of this Amendment shall not operate as a waiver of, or as an amendment of, any right, power, or remedy of
Bank  under  the  Agreement,  as  in  effect  prior  to  the  date  hereof.    Each  Borrower  ratifies  and  reaffirms  the  continuing
effectiveness of all agreements entered into in connection with the Agreement.

4) Each  Borrower  represents  and  warrants  that  the  representations  and  warranties  contained  in  the  Agreement  are  true  and
correct  in  all  material  respects  as  of  the  date  of  this  Amendment  (except  that  any  representations  and  warranties  that
expressly refer to an earlier date shall be true and correct in all material respects as of such

 
 
 
 
date, and except for representations and warranties that by their terms include a materiality qualification, which shall be true
and correct in all respects).

5) This Amendment may be executed in two or more counterparts, each of which shall be deemed an original, but all of which

together shall constitute one instrument.

6) As  a  condition  to  the  effectiveness  of  this  Amendment,  Bank  shall  have  received,  in  form  and  substance  satisfactory  to

Bank, the following:

a)

b)

this Amendment, duly executed by each Borrower;

payment  for  all  Bank  Expenses  incurred  through  the  date  of  this  Amendment,  including  Bank’s  expenses  for  the
documentation  of  this  Amendment  and  any  UCC,  good  standing  or  intellectual  property  search  or  filing  fees,  which
may be debited from any of Borrower’s accounts; and

c)

such other documents and completion of such other matters, as Bank may reasonably deem necessary or appropriate.

[Signature Page Follows]

 
 
 
 
 
IN WITNESS WHEREOF, the undersigned have executed this Amendment as of the first date above written.

PRECISION BIOSCIENCES, INC.

PRECISION BIOSCIENCES, INC.

/s/Abid Ansari

By:
Name: Abid Ansari
Title: CFO

ELO LIFE SYSTEMS, INC.

/s/Abid Ansari

By:
Name: Abid Ansari
Title: CFO

/s/Joseph Holmes Dague

By:
Name: Joseph Holmes Dague
Title: Senior Vice President

[Signature Page to Second Amendment to Loan and Security Agreement]

 
 
 
 
 
 
 
 
 
 
 
 
 
THIRD AMENDMENT TO
LOAN AND SECURITY AGREEMENT

This Third Amendment to Loan and Security Agreement (this “Amendment”) is entered into as of June 23, 2020, by
and  among  PACIFIC  WESTERN  BANK,  a  California  state  chartered  bank  (“Bank”), and PRECISION BIOSCIENCES, INC.
and ELO LIFE SYSTEMS, INC. (individually and collectively, jointly and severally, “Borrower”).

Borrower and Bank are parties to that certain Loan and Security Agreement dated as of May 15, 2019 (as amended,
restated, supplemented or otherwise modified from time to time, the “Agreement”).  The parties desire to amend the Agreement
in accordance with the terms of this Amendment, such amendment to become effective as of the Third Amendment Date.

RECITALS

NOW, THEREFORE, the parties agree as follows:

1) Amendments.

a)

Section 2.1 (b) (i) of the Agreement is amended to read as follows:

(i)

 Amount. Subject to and upon the terms and conditions of this Agreement, Borrower may request Advances
in an aggregate outstanding principal amount not to exceed the Revolving Line any time prior to the Revolving Maturity Date.
Advances may be repaid and reborrowed at any time prior to the Revolving Maturity Date.  On the Revolving Maturity Date, all
Advances  shall  be  immediately  due  and  payable.  Subject  to  Sections  2.5(c)  and  2.5(f),  Borrower  may  prepay  any  Advances
without penalty or premium at any time.

b)

Section 2.3 (a) (i) of the Agreement is amended to read as follows:

(i)

Advances. Except as set forth in Section 2.3(b), the Advances shall bear interest, on the outstanding daily

balance thereof, at a variable annual rate equal to the greater of (A) 2.75% above the Prime Rate, and (B) 6.00%.

c)

Section 2.5 of the Agreement is amended to read as follows:

(a)

(b)

Facility Fee. None.

Bank Expenses. On the Closing Date, all Bank Expenses incurred through the Closing Date, and,

after the Closing Date, all Bank Expenses, as and when they become due.

Early Termination Fee. If this Agreement is terminated before the Revolving Maturity Date for
any  reason,  including  Bank’s  election  to  terminate  following  the  occurrence  of  an  Event  of  Default,  on  the  date  of  such
termination, a fee in an amount equal to Six Hundred Thousand Dollars ($600,000).

(c)

(d)

Unused Fee. None.

(e)

Success  Fee.    Upon  the  occurrence  of  a  Success  Fee  Event,  (i)  a  fee  of  $135,000  if  paid  on  or
before  June  30,  2021,  and  (ii)  a  fee  of  $275,000  if  paid  after  June  30,  2021  (the  “Success  Fee”).    Borrower  shall  deliver
reasonable advance written notice to Bank of a Success Fee Event, and shall pay Bank the Success Fee within five (5) days upon
receipt  of  proceeds  upon  the  consummation  of  a  Success  Fee  Event.    This  Section  2.5(e)  shall  survive  termination  of  this
Agreement.

 
 
 
 
 
 
 
 
(f)

Final Payment Fee. On the soonest to occur of (i) the Revolving Maturity Date, (ii) the date that
Borrower repays all Advances and elects to terminate the Revolving Line, and (iii) the date that the Advances become due or
Bank  elects  to  terminate  this  Agreement  in  connection  with  the  occurrence  of  an  Event  of  Default,  a  fee  equal  to  one  percent
(1.00%) of the maximum principal amount of the Advances outstanding at any time.

d) Section 6.2 (a) (iii) of the Agreement is amended to read as follows:

(iii) an annual budget approved by Borrower’s Board of Directors as soon as available, but no later than the earlier of (i)

90 days after the end of each fiscal year of (ii) 15 days following approval by Borrower’s Board of Directors.

e)

Section 6.6 of the Agreement is amended to read as follows:

6.6

Primary Depository.  Within 60 days after the Third Amendment Date, Borrower shall maintain and shall
cause of its Subsidiaries to maintain the lesser of (a) $100,000,000, or (b) substantially all cash (other than cash held in Excluded
Accounts) in depositary and operating accounts with Bank, provided all cash held outside Bank shall be subject to an account
control agreement in favor of Bank. Notwithstanding the foregoing, Precision UK may maintain a bank account in the United
Kingdom, with such account not subject to an account control agreement in favor of Bank, so long as the balance in such account
does not exceed £1,500,000 (or its US Dollar equivalent) at any time.

f)

Section 6.7 of the Agreement is amended to read as follows:

6.7

Financial Covenants. Borrower shall at all times maintain the following covenant:

(a) 

Minimum Cash. At all times, an aggregate balance of unrestricted cash at Bank (excluding any
amounts held in Excluded Accounts) equal to or greater than $10,000,000.  Borrower acknowledges and agrees that any request
by Borrower or any other Person to pay or otherwise transfer funds that would cause Borrower’s balance of Cash at Bank to be
less than the amount required pursuant to this Section 6.7(a) shall constitute an Event of Default under this Agreement.

g)

Exhibit  A  to  the  Agreement  is  amended  by  amending  or  restating,  or  adding,  in  appropriate  alphabetical  order,  as
applicable, the following defined terms to read as follows:

Milestone, then “Credit Card Maturity Date” shall instead mean June 23, 2023.

“Credit  Card  Maturity  Date”  means  June  23,  2022,  provided  that  if  Borrower  achieves  the  Extension

“Extension  Milestone”  means  Borrower  has  delivered  evidence  acceptable  to  Bank  that  Borrower  has
received aggregate gross Cash proceeds of not less than $125,000,000 from the issuance of Borrower’s equity securities and/or
upfront Cash proceeds from strategic partnerships on terms and conditions reasonably satisfactory to Bank.

“Revolving Line” means a Credit Extension of up to $30,000,000.

Milestone, then “Revolving Maturity Date” shall instead mean June 23, 2023.

“Revolving  Maturity  Date”  means  June  23,  2022,  provided  that  if  Borrower  achieves  the  Extension

“Success Fee Event” is (a) any merger or consolidation of Borrower with or into another entity (except one in
which  the  holders  of  equity  of  the  Borrower  immediately  prior  to  such  merger  or  consolidation  continue  to  hold  at  least  a
majority of the voting power of the equity interests in the surviving entity), (b) any sale of all or substantially all of the assets of
Borrower and its Subsidiaries taken as a whole (in one or more related

 
 
 
 
 
 
 
and contemporaneous transactions), or (c) closing of one or more related and contemporaneous sales or issuances of Borrower’s
equity  or  Subordinated  Debt  securities  and/or  up-front  cash  proceeds  from  one  or  more  strategic  partnerships  in  which  the
aggregate gross cash proceeds to Borrower are at least $50,000,000.

“Third Amendment Date” means June 23, 2020.

h)

Exhibit D to the Agreement is amended as set forth in Exhibit D attached hereto.

2)

3)

4)

5)

6)

7)

Unless  otherwise  defined,  all  initially  capitalized  terms  in  this  Amendment  shall  be  as  defined  in  the  Agreement.    The
Agreement,  as  amended  hereby,  shall  be  and  remain  in  full  force  and  effect  in  accordance  with  its  terms.    Except  as
expressly set forth herein, the execution, delivery, and performance of this Amendment shall not operate as a waiver of, or
as  an  amendment  of,  any  right,  power,  or  remedy  of  Bank  under  the  Agreement,  as  in  effect  prior  to  the  date
hereof.  Borrower ratifies and reaffirms the continuing effectiveness of all agreements entered into in connection with the
Agreement and the security interest as granted as of the Closing Date continues without novation.  Unused Fees accruing
before the Third Amendment Date are not refundable.  The Early Termination Fee provided for in Section 2.5(c) in effect
before the Third Amendment Date is superseded by the fee provided for in this Amendment in respect of Section 2.5(c).

Borrower represents and warrants that the representations and warranties contained in the Agreement are true and correct in
all  material  respects  as  of  the  date  of  this  Amendment  (provided,  that  those  representations  and  warranties  expressly
referring  to  another  date  are  true  and  correct  in  all  material  respects  as  of  such  date,  and  provided  further  that  any
representation or warranty that contains a materiality qualification therein is true and correct in all respects).  No Event of
Default  or  failure  of  condition  has  occurred  or  exists,  or  would  exist  with  notice  or  lapse  of  time  or  both  under  the
Agreement or any other Loan Document.  A true and correct copy of each of Borrower’s certificate of incorporation and
bylaws, as in effect as of the Third Amendment Date has been delivered to Bank.

This  Amendment  and  any  documents  executed  in  connection  herewith  or  pursuant  hereto  contain  the  entire  agreement
between the parties with respect to the subject matter hereof and supersede all prior agreements, understandings, offers and
negotiations, oral or written, with respect thereto and no extrinsic evidence whatsoever may be introduced in any judicial or
arbitration  proceeding,  if  any,  involving  this  Amendment;  except  that  any  financing  statements  or  other  agreements  or
instruments filed by Bank with respect to Borrower remain in full force and effect.

This Amendment may be executed in two or more counterparts, each of which shall be deemed an original, but all of which
together shall constitute one instrument.

The terms of Article 11 of the Agreement are incorporated by reference herein, mutatis mutandis.

As  a  condition  to  the  effectiveness  of  this  Amendment,  Bank  shall  have  received,  in  form  and  substance  reasonably
satisfactory to Bank, the following:

a)

b)

c)

this Amendment, duly executed by Borrower and Bank;

an officer’s certificate of Borrower with respect to incumbency and resolutions authorizing the execution and delivery
of this Amendment;

payment of Bank Expenses, which may be debited from any of Borrower’s deposit account maintained with Bank;
and

d)

such other documents and completion of such other matters, as Bank may reasonably deem necessary or appropriate.

[SIGNATURE PAGE FOLLOWS]

 
 
 
 
 
 
 
 
[SIGNATURE PAGE TO THIRD AMENDMENT TO LOAN AND SECURITY AGREEMENT]

IN WITNESS WHEREOF, the undersigned have executed this Amendment as of the first date above written.

PRECISION BIOSCIENCES, INC.

/s/ Abid Ansari

By:
Name: Abid Ansari
Title: CFO

ELO LIFE SYSTEMS, INC.

/s/ Fayaz Khazi

By:
Name: Fayaz Khazi
Title: CEO

PACIFIC WESTERN BANK

/s/ Scott Hansen

By:
Name: Scott Hansen
Title: EVP

 
 
 
 
 
 
 
 
 
EXHIBIT D

COMPLIANCE CERTIFICATE

[***]

 
 
 
SCHEDULE OF EXCEPTIONS

Permitted Indebtedness  (Exhibit A) – [***]

Permitted Investments  (Exhibit A) – [***]

Permitted Liens  (Exhibit A) – [***]

Prior Names  (Section 5.5) –

Elo Life Systems, Inc. was formerly known as Precision PlantSciences, Inc.

Litigation  (Section 5.6) – [***]

Inbound Licenses  (Section 5.12) – [***]

 
 
 
FOURTH AMENDMENT
TO
LOAN AND SECURITY AGREEMENT

This Fourth Amendment to Loan and Security Agreement (this “Amendment”) is made and entered into as of December 3, 2020,
by and among PACIFIC WESTERN BANK, a California state chartered bank (“Bank”), and PRECISION BIOSCIENCES, INC.
and ELO LIFE SYSTEMS, INC. (individually and collectively, jointly and severally, “Borrower”).

Borrower and Bank are parties to that certain Loan and Security Agreement dated as of May 15, 2019 (as amended from time to
time, the “Agreement”).  The parties desire to amend the Agreement in accordance with the terms of this Amendment.

NOW, THEREFORE, the parties agree as follows:

RECITALS

1) Bank  hereby  waives  any  and  all  of  Borrower’s  violations  of  the  Primary  Depository  covenant,  as  more  particularly
described in Section 6.6 of the Agreement (as such section was in effect immediately prior to the effectiveness of this
Amendment), occurring on or before the date hereof, for maintaining cash in an account outside of Bank not subject to
an account control agreement in favor of Bank.  

2) Section 6.6 of the Agreement is hereby amended and restated, as follows:

6.6

Primary Depository.  Borrower shall maintain and shall cause all of its Subsidiaries to maintain the lesser of
(a)  $100,000,000,  or  (b)  substantially  all  cash  (other  than  cash  held  in  Excluded  Accounts)  in  depository  and  operating
accounts  with  Bank,  provided  all  cash  held  outside  Bank  shall  be  subject  to  an  account  control  agreement  in  favor  of
Bank.  Notwithstanding the foregoing, (a) Precision UK may maintain a bank account in the United Kingdom, with such
account not subject to an account control agreement in favor of Bank, so long as the balance in such account does not exceed
£1,500,000  (or  its  US  Dollar  equivalent)  at  any  time,  and  (b)  ELO  Australia  may  maintain  a  bank  account  with  National
Australia Bank, with such account not subject to an account control agreement in favor of Bank, so long as the balance in
such account does not exceed $250,000 AUD (or its US Dollar equivalent) at any time.

3) The following defined term is hereby added to Exhibit A of the Agreement, as follows:

“ELO Australia” means ELO Life Systems Australia Pty LTD, a proprietary limited company formed under

the laws of Australia and a wholly owned Subsidiary of ELO Life Systems, Inc.

4) Unless otherwise defined, all initially capitalized terms in this Amendment shall be as defined in the Agreement.  The
Agreement, as amended hereby, shall be and remain in full force and effect in accordance with its respective terms and
hereby  is  ratified  and  confirmed  in  all  respects.    Except  as  expressly  set  forth  herein,  the  execution,  delivery,  and
performance of this Amendment shall not operate as a waiver of, or as an amendment of, any right, power, or remedy of
Bank under the Agreement, as in effect prior to the date hereof.  Each Borrower ratifies and reaffirms the continuing
effectiveness of all agreements entered into in connection with the Agreement.

5) Each Borrower represents and warrants that the representations and warranties contained in the Agreement are true and
correct in all material respects as of the date of this Amendment (except that any representations and warranties that
expressly refer to an earlier date shall be true and correct in all material

 
 
 
 
 
 
 
 
 
respects  as  of  such  date,  and  except  for  representations  and  warranties  that  by  their  terms  include  a  materiality
qualification, which shall be true and correct in all respects).

6) This Amendment may be executed in two or more counterparts, each of which shall be deemed an original, but all of

which together shall constitute one instrument.

7) As a condition to the effectiveness of this Amendment, Bank shall have received, in form and substance satisfactory to

Bank, the following:

a.

b.

c.

this Amendment, duly executed by each Borrower;

payment for all Bank Expenses incurred through the date of this Amendment, including Bank’s expenses for
the documentation of this Amendment and any UCC, good standing or intellectual property search or filing
fees, which may be debited from any of Borrower’s accounts; and

such  other  documents  and  completion  of  such  other  matters,  as  Bank  may  reasonably  deem  necessary  or
appropriate.

[Signature Page Follows]

 
 
 
 
 
 
 
 
 
 
IN WITNESS WHEREOF, the undersigned have executed this Amendment as of the first date above written.

PRECISION BIOSCIENCES, INC.

PACIFIC WESTERN BANK

/s/ Abid Ansari_

By:
Name: Abid Ansari_
Title: CFO

ELO LIFE SYSTEMS, INC.

/s/ Fayaz Khazi

By:
Name: Fayaz Khazi
Title: CEO

/s/ Ashley N. Pittman

By:
Name: Ashley N. Pittman
Title: SVP

[Signature Page to Fourth Amendment to Loan and Security Agreement]

 
 
 
 
 
 
 
 
 
 
 
 
 
 
CONSENT AND FIFTH AMENDMENT
TO
LOAN AND SECURITY AGREEMENT

This Consent and Fifth Amendment to Loan and Security Agreement (the “Amendment”), is entered into as of May 18, 2021, by
and among PACIFIC WESTERN BANK, a California state chartered bank (the “Bank”) and PRECISION BIOSCIENCES, INC.
(“Precision”) and ELO LIFE SYSTEMS, INC. (“ELO”, and individually and collectively, jointly and severally, with Precision,
the “Borrower”).

RECITALS

Borrower and Bank are parties to that certain Loan and Security Agreement dated as of May 15, 2019 (as amended from time to
time, the “Agreement”). The parties desire to amend the Agreement in accordance with the terms of this Amendment.

NOW, THEREFORE, the parties agree as follows:

1) Contingent upon the upfront re-purchase price not exceeding $25,000,000 and no more than $2,000,000 of such re-

purchase price being paid in cash, Bank hereby consents to Precision entering into the Program Purchase Agreement,
dated on or about April 9, 2021, in substantially the form delivered to Bank on the date of this Amendment (the “PPA”),
which when effective will (i) terminate that certain Development and Commercial License Agreement, effective
February 24, 2016, as amended, by and among Precision, Les Laboratoires Servier, a corporation incorporated under
the laws of France having a principal place of business at 50 rue Carnot, 92150 Suresnes, France (“LLS”) and Institut
De Recherches Internationales Servier, a corporation incorporated under the laws of France having its principal place of
business at 50 rue Carnot, 92150 Suresnes, France (“IRIS”) (LLS and IRIS together jointly and severally, “Servier”),
and (ii) result in Precision re-acquiring the rights of Servier under the Reversion Program (as defined in the PPA).

2) Subject to the Obligations (as defined in the ELO LSA) thereunder being guaranteed by Precision, Bank hereby

consents to ELO entering into a Loan and Security Agreement with Bank (the “ELO LSA”), under which Bank agrees
to make a term loan to Borrower in an aggregate principal amount not to exceed $2,500,000.

3) Section 6.8(a) of the Agreement is hereby amended and restated, as follows:

(a)

   Within 30 days after the last day of each quarter, Borrower shall promptly give Bank written notice of any
applications or registrations of intellectual property rights filed with the United States Patent and Trademark
Office, including the date of such filing and the registration or application numbers, if any.

4) The following definition in Exhibit A to the Agreement is hereby amended and restated, as follows:

“Shares” means one hundred percent (100%) of the issued and outstanding capital stock, membership units, or
other securities owned or held of record by Borrower in any Subsidiary of Borrower.

5) No course of dealing on the part of Bank or its officers, nor any failure or delay in the exercise of any right by Bank,
shall operate as a waiver thereof, and any single or partial exercise of any such right shall not preclude any later
exercise of any such right. Bank's failure at any time to require strict performance

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
by Borrower of any provision shall not affect any right of Bank thereafter to demand strict compliance and
performance. Any suspension or waiver of a right must be in writing signed by an officer of Bank.

6) Unless otherwise defined, all initially capitalized terms in this Amendment shall be as defined in the Agreement. The

Agreement, as amended hereby, shall be and remain in full force and effect in accordance with its respective terms and
hereby is ratified and confirmed in all respects. Except as expressly set forth herein, the execution, delivery, and
performance of this Amendment shall not operate as a waiver of, or as an amendment of, any right, power, or remedy of
Bank under the Agreement, as in effect prior to the date hereof. Borrower ratifies and reaffirms the continuing
effectiveness of all agreements entered into in connection with the Agreement.

7) Borrower represents and warrants that the representations and warranties contained in the Agreement are true and

correct as of the date of this Amendment, and that no Event of Default has occurred and is continuing.

8) This Amendment may be executed in two or more counterparts, each of which shall be deemed an original, but all of

which together shall constitute one instrument.

9) As a condition to the effectiveness of this Amendment, Bank shall have received, in form and substance satisfactory to

Bank, the following:
a)
b)

this Amendment, duly executed by Borrower;
an officer’s certificate of Borrower with respect to incumbency and resolutions authorizing the execution and
delivery of this Amendment;
payment of all Bank expenses, including Bank’s expenses for the documentation of this amendment and any
related documents, and any UCC, good standing or intellectual property search or filing fees, which may be
debited from any of Borrower's accounts; and
such other documents and completion of such other matters, as Bank may reasonably deem necessary or
appropriate.

c)

d)

 
 
 
 
 
 
 
 
 
 
 
IN WITNESS WHEREOF, the undersigned have executed this Amendment as of the first date
above written.

PRECISION BIOSCIENCES, INC.

PACIFIC WESTERN BANK

By: /s/ John Alexander Kelly
Name: John Alexander Kelly
Title: Interim Chief Financial Officer

ELO LIFE SYSTEMS, INC.
By: /s/ Fayaz Khazi
Name: Fayaz Khazi
Title: CEO

By: /s/ Ashley Pittman
Name: Ashley Pittman
Title: SVP

 
 
 
 
 
 
 
 
 
 
 
 
CONSENT AND SIXTH AMENDMENT
TO
LOAN AND SECURITY AGREEMENT

This Consent and Sixth Amendment to Loan and Security Agreement (this “Amendment”), is entered into as of December 17,
2021, by and among PACIFIC WESTERN BANK, a California state-chartered bank (the “Bank”), PRECISION BIOSCIENCES,
INC. (“Precision”), and ELO LIFE SYSTEMS, INC. (“ELO”, and individually and collectively, jointly and severally, with
Precision, the “Borrower”).

RECITALS

Borrower and Bank are parties to that certain Loan and Security Agreement dated as of May 15, 2019 (as has been and may be
further amended from time to time, the “Agreement”). The parties desire to amend the Agreement in accordance with the terms
of this Amendment.

NOW, THEREFORE, the parties agree as follows:

1) Precision, ELO, and AccelR8 Venture Fund I LLC, a Delaware limited liability company (“AccelR8”) have executed a

Letter of Intent (see Appendix I) to establish the principal terms pursuant to which (i) substantially all of the assets of
ELO will be spun-out from Precision; (ii) ELO and Precision will enter into (a) a Contribution Agreement (see
Appendix II) relating to the creation of a new company, Epsilon Holdings, Inc., a Delaware corporation (“New ELO”),
which will own substantially all of the assets and will assume certain liabilities of ELO, and (b) an Inter-Company
License Agreement (see Appendix III), under which Precision will grant a royalty-free license to New ELO to use
certain of Precision’s technology for plant and other specified applications; and (iii) New ELO will complete an
offering of its Series A Preferred Stock in a financing round (the “Series A Round”) led by AccelR8 ((i), (ii), and (iii)
being collectively, the “Contemplated Transactions”).

2) As consideration for the Contemplated Transactions, Precision will (i) receive a nonconvertible promissory note in the
face amount of Ten Million Dollars ($10,000,000) payable by New ELO (the “New ELO Note”), and (ii) New ELO
will issue to Precision 14,284 shares of common stock or approximately thirty-one percent (31%) of the fully-diluted
ownership of New ELO, as adjusted for the closing of the Series A Round.

3) Subject to the Obligations (as defined in that certain Loan and Security Agreement, dated May 19, 2021, by and

between Bank and ELO) being indefeasibly repaid in full, Bank hereby consents to Borrower entering into the
Contemplated Transactions.

4) Bank hereby consents to the dissolution and winding up of ELO following the consummation of the Contemplated

Transactions in accordance with applicable law. Immediately upon a certificate of dissolution filed with the Secretary of
State of the State of Delaware becoming effective, all references to “Borrower” in the Agreement shall be deemed to
refer only to Precision and not to ELO.

5) Section 2.1(b)(ii) of the Agreement is hereby amended by deleting the phrase “by facsimile transmission or email to be
received no later than 3:30 p.m. Eastern time” and replacing it with the phrase “by email (or, if permitted by Bank,
through the use of an E-System) to be received no later than 3:30 p.m. Eastern time”.

6) Section 5.7 of the Agreement is hereby amended by deleting the phrase “that are delivered by Borrower to Bank fairly

present in all material respects” and replacing it with the phrase “that are delivered by

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Borrower to Bank or otherwise submitted to Bank fairly present in all material respects”.

7) Section 5.14 of the Agreement is hereby amended and restated as follows:

5.14     Full Disclosure.     No representation, warranty or other statement made by Borrower in any

report, certificate, or written statement furnished or submitted to Bank taken together with all such reports,
certificates, and written statements furnished or submitted to Bank contains any untrue statement of a material
fact or omits to state a material fact necessary to make the statements contained in such reports, certificates, or
statements not misleading in light of the circumstances in which they were made, it being recognized by Bank
that the projections and forecasts provided by Borrower in good faith and based upon reasonable assumptions
are not to be viewed as facts and that actual results during the period or periods covered by any such
projections and forecasts may differ from the projected or forecasted results.

8) The last paragraph of Section 6.2 of the Agreement is hereby deleted in its entirety and replaced with the following two

paragraphs, as follows:

Borrower may deliver to Bank on an electronic basis any certificates, reports, requests, or information

required pursuant to this Section 6.2, and Bank shall be entitled to rely on the information contained in the
electronic files, provided that Bank in good faith believes that the files were delivered by, or on behalf of, a
Responsible Officer. Borrower shall include a submission date on any certificates, statements, and reports to
be delivered electronically.

Any submission by Borrower of a Compliance Certificate, Borrowing Base Certificate or other
financial statement pursuant to this Section 6.2 or otherwise submitted to Bank shall be deemed to be a
representation by Borrower that (i) as of the date of such Compliance Certificate, Borrowing Base Certificate,
financial statement, or request, the information and calculations set forth therein are true, accurate and correct,
(ii) as of the end of the compliance period set forth in such submission, Borrower is in complete compliance
with all required covenants except as noted in such Compliance Certificate, Borrowing Base Certificate or
financial statement, as applicable; (iii) as of the date of such submission, no Events of Default have occurred
or are continuing; and (iv) all representations and warranties other than any representations or warranties that
are made as of a specific date in Section 5 remain true and correct in all material respects as of the date of
such submission except as noted in such Compliance Certificate, Borrowing Base Certificate, financial
statement, or request, as applicable.

9) Section 8.8 of the Agreement is hereby amended and restated as follows:

8.8     Misrepresentations.     If any material misrepresentation or material misstatement exists now

or hereafter in any warranty or representation set forth herein or in any report, certificate or other writing
delivered to Bank by any Responsible Officer pursuant to this Agreement or to induce Bank to enter into this
Agreement or any other Loan Document.

10) Section 12.6 of the Agreement is hereby amended and restated as follows:

12.6

Counterparts; Electronic Transmission; Electronic Signatures.    This Agreement may

be executed in any number of counterparts and by different parties on separate counterparts, each of which,
when executed and delivered, shall be deemed to be an original, and all of which, when taken together, shall
constitute but one and the same Agreement. Executed copies of this Agreement or the signature pages of this
Agreement sent by facsimile or

 
 
 
 
 
 
 
 
 
 
 
 
transmitted electronically in Portable Document Format (“PDF”) or any similar format, or transmitted
electronically by digital image, DocuSign, or other means of electronic transmission, shall be treated as
originals, fully binding and with full legal force and effect, and the parties waive any rights they may have to
object to such treatment. The words “execution,” “signed,” “signature,” “delivery,” and words of like import
in or relating to this Agreement and/or any document to be signed in connection with this Agreement and the
transactions contemplated hereby shall be deemed to include Electronic Signatures (as defined below),
deliveries or the keeping of records in electronic form, each of which shall be of the same legal effect, validity
or enforceability as a manually executed signature, physical delivery thereof or the use of a paper-based
recordkeeping system, as the case may be. As used herein, “Electronic Signatures” means any electronic
symbol or process attached to, or associated with, any contract or other record and adopted by a person with
the intent to sign, authenticate or accept such contract or record.

11) A new Section 12.9 is hereby added to the Agreement, as follows:

12.9 E-Systems.  Bank is hereby authorized by Borrower to establish procedures (and to amend such

procedures from time to time) to facilitate administration and servicing of the Credit Extensions and other
matters incidental thereto. Without limiting the generality of the foregoing, Bank is hereby authorized to
establish procedures to make available or deliver, or to accept, notices, documents and similar items, by
posting to or submitting and/or completion, on E-Systems. Borrower acknowledges and agrees that the use of
transmissions via an E-System or electronic mail is not necessarily secure and that there are risks associated
with such use, including risks of interception, disclosure and abuse, and Borrower assumes and accepts such
risks by hereby authorizing the transmission via E-Systems or electronic mail. All uses of an E-System shall
be governed by and subject to, in addition to this Section, the separate terms and conditions posted or
referenced in such E-System (or such terms and conditions as may be updated from time to time, including on
such E-System) and related contractual obligations executed by Borrower in connection with the use of such
E-System. ALL E-SYSTEMS AND ELECTRONIC TRANSMISSIONS SHALL BE PROVIDED “AS-IS”
AND “AS AVAILABLE”. NO REPRESENTATION OR WARRANTY OF ANY KIND IS MADE BY
BANK OR ANY OF ITS AFFILIATES IN CONNECTION WITH ANY ESYSTEMS.

12) Section 13.1 of the Agreement is hereby amended and restated, as follows:

13.1 Primary Obligation. This Agreement is a primary and original obligation of each Borrower and

shall remain in effect notwithstanding future changes in conditions, including any change of law or any
invalidity or irregularity in the creation or acquisition of any Obligations or in the execution or delivery of any
agreement between Bank and any Borrower. Each Borrower shall be liable for existing and future Obligations
as fully as if all of all Credit Extensions were advanced to such Borrower. Bank may rely on any certificate,
report, or representation made by any Borrower as made on behalf of, and binding on, all Borrowers,
including without limitation any Disbursement Request Forms, Borrowing Base Certificates, Compliance
Certificates, and Accordion Option Request.

13) Exhibit A to the Agreement is hereby amended by adding the defined term and its definition

thereto, in the appropriate alphabetical order:

“E-System” means any electronic system approved by Bank, including any Internet or extranet-based site,
whether such electronic system is owned, operated or hosted by Bank, any of its Affiliates or any other
Person, providing for access to data protected by passcodes or other

 
 
 
 
 
 
 
 
 
 
 
security system, or otherwise used to facilitate communication between Borrower and Bank with respect to
the Loan Documents.

14) The following definition in Exhibit A to the Agreement is hereby amended and restated, as follows:

“Shares” means (i) one hundred percent (100%) of the issued and outstanding capital stock, membership
units, or other securities owned or held of record by Borrower in any Subsidiary of Borrower and (ii) all of the
issued and outstanding common stock owned or held of record by Borrower in Epsilon Holdings, Inc., a
Delaware corporation.

15) No course of dealing on the part of Bank or its officers, nor any failure or delay in the exercise of any right by Bank,
shall operate as a waiver thereof, and any single or partial exercise of any such right shall not preclude any later
exercise of any such right. Bank's failure at any time to require strict performance by Borrower of any provision shall
not affect any right of Bank thereafter to demand strict compliance and performance. Any suspension or waiver of a
right must be in writing signed by an officer of Bank.

16) Unless otherwise defined, all initially capitalized terms in this Amendment shall be as defined in the Agreement. The

Agreement, as amended hereby, shall be and remain in full force and effect in accordance with its respective terms and
hereby is ratified and confirmed in all respects. Except as expressly set forth herein, the execution, delivery, and
performance of this Amendment shall not operate as a waiver of, or as an amendment of, any right, power, or remedy of
Bank under the Agreement, as in effect prior to the date hereof. Borrower ratifies and reaffirms the continuing
effectiveness of all agreements entered into in connection with the Agreement.

17) Borrower represents and warrants that the representations and warranties contained in the Agreement are true and

correct as of the date of this Amendment, and that no Event of Default has occurred and is continuing.

18) This Amendment may be executed in any number of counterparts and by different parties on separate counterparts, each

of which, when executed and delivered, shall be deemed to be an original, and all of which, when taken together, shall
constitute but one and the same Amendment. Executed copies of this Amendment or the signature pages of this
Amendment sent by facsimile or transmitted electronically in Portable Document Format (“PDF”) or any similar
format, or transmitted electronically by digital image, DocuSign, or other means of electronic transmission, shall be
treated as originals, fully binding and with full legal force and effect, and the parties waive any rights they may have to
object to such treatment. The words “execution,” “signed,” “signature,” “delivery,” and words of like import in or
relating to this Amendment and/or any document to be signed in connection with this Amendment and the transactions
contemplated hereby shall be deemed to include Electronic Signatures (as defined below), deliveries or the keeping of
records in electronic form, each of which shall be of the same legal effect, validity or enforceability as a manually
executed signature, physical delivery thereof or the use of a paper-based recordkeeping system, as the case may be. As
used herein, “Electronic Signatures” means any electronic symbol or process attached to, or associated with, any
contract or other record and adopted by a person with the intent to sign, authenticate or accept such contract or record.

 
 
 
 
 
 
 
 
 
 
19) As a condition to the effectiveness of this Amendment, Bank shall have received, in form and substance satisfactory to

Bank, the following:
a)
b)

this Amendment, duly executed by Borrower;
an officer’s certificate of each Borrower with respect to incumbency and resolutions authorizing the execution and
delivery of this Amendment;
a collateral assignment of the New ELO Note, duly executed by Precision;
a Stock Power, duly executed by Precision in blank, for the shares of New ELO common stock issued to Precision
in connection with the Contemplated Transactions;
payment of all Bank expenses, including Bank’s expenses for the documentation of this Amendment and any
related documents, and any UCC, good standing or intellectual property search or filing fees, which may be
debited from any of Borrower's accounts; and
such other documents and completion of such other matters, as Bank may reasonably deem necessary or
appropriate.

c)
d)

e)

f)

[Signatures appear on the following page.]

 
 
 
 
 
 
 
 
 
 
 
IN WITNESS WHEREOF, the undersigned have executed this Amendment as of the first date
above written.

PRECISION BIOSCIENCES, INC.

PACIFIC WESTERN BANK

By: /s/ John Alexander Kelly
Name: John Alexander Kelly
Title: Chief Financial Officer

/s/ Dario Scimeca

ELO LIFE SYSTEMS, INC.
By:
Name: Dario Scimeca
Title: General Counsel & Secretary

By: /s/ Ashley Pittman
Name: Ashley Pittman
Title: SVP Portfolio Manager

 
 
 
 
 
 
 
 
 
 
 
 
APPENDIX I
LETTER OF INTENT

[***]

 
 
 
 
APPENDIX II
CONTRIBUTION AGREEMENT

[***]

 
 
 
APPENDIX III
INTER-COMPANY LICENSE AND ASSIGNMENT AGREEMENT

[***]

 
 
 
 
EXHIBIT C
IP Assignment

[***]

 
 
 
 
Exhibit 10.12

LEASE

BIOPOINT INNOVATION LABS

DURHAM TW ALEXANDER, LLC,   

a Delaware limited liability company

as Landlord,

and

PRECISION BIOSCIENCES, INC.,

a Delaware corporation,

as Tenant.

 
  
 
 
 
 
 
 
TABLE OF CONTENTS

1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.

PREMISES, BUILDING, PROJECT, AND COMMON AREAS
LEASE TERM; OPTION TERM
BASE RENT
ADDITIONAL RENT
USE OF PREMISES
SERVICES AND UTILITIES
REPAIRS
ADDITIONS AND ALTERATIONS
COVENANT AGAINST LIENS
INSURANCE
DAMAGE AND DESTRUCTION
NONWAIVER
CONDEMNATION
ASSIGNMENT AND SUBLETTING
SURRENDER OF PREMISES; OWNERSHIP AND REMOVAL OF TRADE FIXTURES
HOLDING OVER
ESTOPPEL CERTIFICATES
SUBORDINATION
DEFAULTS; REMEDIES
COVENANT OF QUIET ENJOYMENT
SECURITY DEPOSIT
SUBSTITUTION OF OTHER PREMISES
SIGNS
COMPLIANCE WITH LAW
LATE CHARGES
LANDLORD’S RIGHT TO CURE DEFAULT; PAYMENTS BY TENANT
ENTRY BY LANDLORD
TENANT PARKING
MISCELLANEOUS PROVISIONS

EXHIBITS

A
B
C
D
E
F
G
H
I

FIRST OFFER SPACE
FORM OF NOTICE OF LEASE TERM DATES
PREMISES
WORK LETTER
RULES AND REGULATIONS
FORM OF TENANT’S ESTOPPEL CERTIFICATE
ENVIRONMENTAL QUESTIONNAIRE
RESPONSIBILITY MATRIX
STORAGE AREA

Page

4
6
8
9
15
20
22
23
24
24
26
27
27
28
31
32
32
33
33
36
36
36
37
37
38
38
38
39
39

 
 
 
 
 
 
 
 
 
 
Abatement Period
Additional Rent
Advocate Arbitrators
all risks
Alterations
Applicable Laws
as built
Bank Prime Loan
Base Rent
BMBL
Brokers
Builder’s All Risk
Building
Building Common Areas,
Clean-up
Closure Letter
Common Areas
Comparable Buildings
Comparable Transactions
Concessions
Contemplated Effective Date
Contemplated Transfer Space
Control
Controllable Operating Expenses
DHHS
Direct Expenses
Environmental Assessment
Environmental Questionnaire
Environmental Report
Estimate
Estimate Statement
Estimated Direct Expenses
Expense Year
Fair Rental Value
First Class Life Sciences Projects
First Offer Commencement Date
First Offer Notice
First Offer Rent
First Offer Space
Force Majeure
Generator
Guarantor
Hazardous Materials
Intention to Transfer Notice
Landlord
Landlord Parties
Landlord Repair Notice
Lease
Lease Commencement Date
Lease Expiration Date
Lease Term
Lease Year
Lines
Mail
Material Service Interruption
Net Worth

2
9
7
25
23
37
23
38
8
16
42, 6, 10
24
4
4
19
19
4
7
7
7
30
29
31
13, 14
16
9
18, 31
15
18
13
13
13
9
6
2
6
5
5
5
41
44
3
16
29
1, 39
24
26
1
6
6
6
6
43
41
21
31

 
 
 
Neutral Arbitrator
New Improvements
Notices
Operating Expenses
Option Conditions
Option Rent
Option Term
Original Tenant
Outside Agreement Date
PCBs
Permitted Assignee
Permitted Transferee
Premises
Project Common Areas
Project,
Release
Released
Releases
Rent
Rules and Regulations
Service Interruption
Service Interruption Notice
Statement
Storage Area
Subject Space
Summary
Superior Right Holders
Supplemental HVAC
Tax Expenses
Tenant
Tenant’s Subleasing Costs
Tenant's Agents
Tenant's Share
Transfer Notice
Transfer Premium
Transferee
Transfers
Underlying Documents

8
25
41
9
6
6
6
5, 6
7
16
31
31
4
4
4
16
16
16
8
15
21
21
13
43
28
1
5
22
9, 12
1, 39
29
15
9, 12
28
28, 29
28
28
10

 
 
 
 
 
BIOPOINT INNOVATION LABS

LEASE

This Lease (the “Lease”), dated as of the date set forth in Section 1 of the Summary of Basic Lease Information (the “Summary”), below, is
made by and between DURHAM TW ALEXANDER, LLC, a Delaware limited liability company (“Landlord”),  and  PRECISION BIOSCIENCES,
INC., a Delaware corporation (“Tenant”).

TERMS OF LEASE

1.            Date:

2.            Premises

(Article 1).

2.1           Building:

2.2           Premises:

3.           Lease Term
(Article 2).

SUMMARY OF BASIC LEASE INFORMATION

DESCRIPTION

October 2nd, 2018

That  certain  office  building  containing  approximately  148,989  rentable
square  feet  of  space  located  at  20  TW  Alexander  Drive,  Research  Triangle
Park, NC 27709.

Approximately 17,296 rentable square feet of space on the first (1st) floor of
the  Building  and  commonly  known  as  Suite  130,  as  further  set  forth  in
Exhibit C to the Lease.

3.1          Length of Term:

Eighty-six (86) months.

3.2          Lease Commencement

Date:

The date of Lease execution.

3.3          Rent Commencement Date:

Nine (9) months after the Lease Commencement Date.

3.4          Lease Expiration Date:

Eighty-six (86) months after the Rent Commencement Date.

4.            Base Rent (Article 3):

Time Period

Year 1**

Year 2

Year 3

Year 4

Year 5

Year 6

Year 7

Annual
Base Rent

$449,696.04

$463,186.92

$477,023.64

$491,379.36

$506,080.92

$521,301.48

$537,040.80

Monthly
Installment
of Base Rent

$37,474.67

$38,598.91

$39,751.97

$40,948.28

$42,173.41

$43,441.79

$44,753.40

Annual Base
Rent
per Rentable
Square Foot

$26.00

$26.78

$27.58

$28.41

$29.26

$30.14

$31.05

 
 
 
 
 
 
 
 
 
 
 
 
 
Year 8

$553,126.08

$46,093.84

$31.98

*Note:  Provided Tenant is not in default of the terms of this Lease, after expiration of any applicable notice and cure period, Tenant shall have no
obligation  to  pay  any  Base  Rent  attributable  to  the  first  two  (2)  months  of  the  Lease  Term  following  the  Rent  Commencement  Date  (the
“Abatement Period”).  Tenant shall be obligated to pay Tenant’s Share of Direct Expenses attributable to the Abatement Period.

5.            Tenant Improvements Allowance:

6.            NNN Lease.

7.            Tenant’s Share

(Article 4):

8.            Permitted Use

(Article 5):

The  improvements  in  the  Premises  shall  be  constructed  in  accordance  with
the terms of the Tenant Work Letter attached hereto as Exhibit D up to a cost
of $70.58 per rentable square foot.

In  addition  to  the  Base  Rent,  Tenant  shall  be  responsible  to  pay  Tenant’s
Share  of  Direct  Expenses  in  accordance  with  the  terms  of  Article 4  of  the
Lease.

Approximately 11.61%.  

The Premises may only be used for any or all of the following uses: general
office,  research  and  development,  engineering,  GMP  manufacturing,
laboratory,  storage  and/or  warehouse  uses,  including,  but  not  limited  to,
administrative  offices  and  other  lawful  uses  reasonably  related  to  or
incidental to such specified uses, all (i) consistent with substantially similar
life  sciences  and/or  office  projects  in  the  Durham,  North  Carolina  area
(“First  Class  Life  Sciences  Projects”),  and  (ii)  in  compliance  with,  and
subject  to,  all  Applicable  Laws  (as  defined  herein),  and  the  terms  of  this
Lease.

9.           Security Deposit

(Article 21):

$149,898.68

then 

thereafter 

the  Security  Deposit  shall  be 

So long as Tenant is not in default under this Lease beyond applicable notice
and  cure  periods  at  any  time  during  the  first  three  (3)  years  of  the  Lease
to
Term 
$112,424.01.    So  long  as  Tenant  is  not  in  default  under  this  Lease  beyond
applicable notice and cure periods at any time during the first five (5) years
of  the  Lease  Term  then  thereafter  the  Security  Deposit  shall  be  reduced  to
$74,949.34  for  the  remainder  of  the  Lease  Term.    In  such  event,  if  the
Security Deposit has been posted in the form of a cash deposit Landlord shall
refund  the  additional  amount  to  Tenant  within  thirty  (30)  days  and  if  the
Security Deposit is in the form of a letter of credit then Landlord shall return
the existing letter of credit to Tenant upon Tenant’s posting of a new letter of
credit in the correct amount or the posting of a cash deposit by Tenant.

reduced 

10.          Parking Pass Ratio
(Article 28):

2.5  unreserved  parking  spaces  for  every  1,000  rentable  square  feet  of  the
Premises, subject to the terms of Article 28 of the Lease.

 
 
11.          Address of Tenant

(Section 29.18):

PRECISION BIOSCIENCES, INC.
302 E. Pettigrew ST.
Durham, NC 27701
Attention:  Sinu Bhandaru, Director, Head of Operations & IT

With a Copy of any default notices to:

Smith, Anderson, Blount, Dorsett,
        Mitchell & Jernigan, L.L.P.
Post Office Box 2611
Raleigh, North Carolina   27602-2611
Attention: Michael P. Saber, Esq.

overnight delivery address:

Smith, Anderson, Blount, Dorsett,
        Mitchell & Jernigan, L.L.P.
2300 Wells Fargo Capitol Center
150 Fayetteville Street
Raleigh, North Carolina  27601

See Section 29.18 of the Lease.

Cushman & Wakefield

None (“Guarantors”)

12.          Address of Landlord

(Section 29.18):

13.          Broker(s)

(Section 29.24):

14.          Guarantor(s)

(Section 29.33):

 
 
 
 
 
1.

PREMISES, BUILDING, PROJECT, AND COMMON AREAS

1.1

Premises, Building, Project and Common Areas.

1.1.1

The Premises.  Landlord hereby leases to Tenant and Tenant hereby leases from Landlord the premises set forth in
Section 2.2 of the Summary (the “Premises”).  The outline of the Premises is set forth in Exhibit C attached hereto and has the number of rentable square
feet as set forth in Section 2.2 of the Summary.  The parties hereto agree that the lease of the Premises is upon and subject to the terms, covenants and
conditions herein set forth, and Tenant covenants as a material part of the consideration for this Lease to keep and perform each and all of such terms,
covenants and conditions by it to be kept and performed and that this Lease is made upon the condition of such performance.  The parties hereto hereby
acknowledge that the purpose of Exhibit C is to show the approximate location of the Premises in the “Building,” as that term is defined in Section 1.1.2,
below, only, and such Exhibit is not meant to constitute an agreement, representation or warranty as to the construction of the Premises, the precise area
thereof or the specific location of the “Common Areas,” as that term is defined in Section 1.1.3, below, or the elements thereof or of the accessways to the
Premises or the “Project,” as that term is defined in Section 1.1.2, below.  Tenant shall accept the Premises in its presently existing “as-is” condition and
Landlord shall not be obligated to provide or pay for any improvement work or services related to the improvement of the Premises except Landlord shall
deliver the Premises in broom clean condition, with all currently existing Premises systems in good working order (provided that (i) Tenant acknowledges
and agrees that demolition work has been performed to a portion of the space, separating same from the remaining, functioning standard office portion; and
(ii) Tenant shall promptly notify Landlord of any known/discovered defects or needed repairs to same so that Landlord may fulfill any repair obligations
under Section 7.3 of this Lease), and except as otherwise expressly set forth in this Lease or in the Tenant Work Letter attached hereto as Exhibit D.    

The Premises shall exclude Common Areas, including without limitation exterior faces of exterior walls, the entry, vestibules and main lobby
of  the  Building,  lobbies  and  common  lavatories,  the  common  stairways  and  stairwells,  boiler  room,  sprinkler  rooms,  mechanical  rooms,  loading  and
receiving areas, electric and telephone closets, janitor closets, and pipes, ducts, conduits, wires and appurtenant fixtures and equipment serving exclusively
or in common with other parts of the Building..

1.1.2

The Building and The Project.  The Premises are a part of the building set forth in Section 2.1 of the Summary (the
“Building”).    The  term  “Project,”  as  used  in  this  Lease,  shall  mean  (i)  the  Building  and  the  Common  Areas,  (ii)  the  land  (which  is  improved  with
landscaping, parking facilities and other improvements) upon which the Building and the Common Areas are located, (iii) the other buildings located in the
project  known  as  “BioPoint  Innovation  Labs”,  and  the  land  upon  which  such  adjacent  buildings  are  located,  and  (iv)  at  Landlord’s  discretion,  any
additional real property, areas, land, buildings or other improvements added thereto outside of the Project. Landlord may only own portions of the Project
and any rights granted within portions of the Project not owned by Landlord shall be pursuant to recorded declarations and easements to the extent such
documents exist.  

1.1.3

Common Areas.  Tenant shall have the non-exclusive right to use in common with other tenants in the Project, and
subject to the Rules and Regulations referred to in Article 5 of this Lease, those portions of the Project which are provided, from time to time, for use in
common by Landlord, Tenant and any other tenants of the Project (such areas, together with such other portions of the Project designated by Landlord, in
its discretion, including certain areas designated for the exclusive use of certain tenants, or to be shared by Landlord and certain tenants, are collectively
referred  to  herein  as  the  “Common  Areas”).    The  Common  Areas  shall  consist  of  the  “Project  Common  Areas”  and  the  “Building  Common
Areas.”  The term “Project Common Areas,” as used in this Lease, shall mean the portion of the Project designated as such by Landlord or areas within
the Project that the occupants of the Building are permitted to utilize pursuant to a recorded declaration and which areas shall be maintained in accordance
with  the  declaration.    The  term  “Building  Common  Areas,”  as  used  in  this  Lease,  shall  mean  the  portions  of  the  Common  Areas  located  within  the
Building  reasonably  designated  as  such  by  Landlord.   The  manner  in  which  the  Common  Areas  are  maintained  and  operated  shall  be  at  the  reasonable
discretion of Landlord and the use thereof shall be subject to the Rules and Regulations as Landlord may make from time to time.  Landlord reserves the
right  to  close  temporarily,  make  alterations  or  additions  to,  or  change  the  location  of  elements  of  the  Project  and  the  Common  Areas,  provided  that,  in
connection therewith, Landlord shall perform such closures, alterations, additions

 
 
 
or  changes  in  a  commercially  reasonable  manner  and,  in  connection  therewith,  shall  use  commercially  reasonable  efforts  to  minimize  any  material
interference with Tenant’s use of and access to the Premises.

1.2

Stipulation of Rentable Square Feet of Premises.    For  purposes  of  this  Lease,  “rentable  square  feet”  of  the  Premises  shall  be
deemed as set forth in Section 2.2 of the Summary.  Notwithstanding the foregoing,  the useable area of the Premises shall be determined in accordance
with a standard promulgated by the Building Owners and Managers Association which standard is selected by Landlord.  The rentable area of the Premises
shall be determined by multiplying the useable area of the Premises by a “core factor”.  Landlord may, at any time, have its architect or engineer measure
the actual total usable and rentable square footage of the Premises.  In the event the Premises shall contain an amount of rentable square footage different
than  the  amount  of  rentable  square  feet  referenced  in  Section 2.2  of  the  Summary,  the  Premises  shall  be  redefined  to  reflect  the  actual  rentable  square
footage but the Base Rent and Additional Rent shall not change from/based what is listed in Section 4 of the Summary.

1.3

Right of First Offer.  Beginning on the date which is six (6) months after the Rent Commencement Date Landlord hereby grants
to the Tenant named in the Summary (the “Original Tenant”) and its “Permitted Assignees”, as defined in Section 14.8, below, a continuing right of first
offer with respect to Suite 012 containing approximately 12,128 rentable square feet located in the Building as set forth in Exhibit A attached hereto,
(the  “First  Offer  Space”).    Notwithstanding  the  foregoing,  such  first  offer  right  of  Tenant  shall  commence  only  following  the  expiration  or  earlier
termination of the initial lease (including renewals) of the First Offer Space, and such right of first offer shall be subordinate to all rights of which are set
forth in leases of space in the Project as of the date hereof, including any renewal rights set forth in such leases, regardless of whether such renewal rights
are executed strictly in accordance with their terms, or pursuant to a lease amendment or a new lease (collectively, the “Superior Right Holders”) with
respect to such First Offer Space.  Tenant’s right of first offer shall not be applicable during any Option Term.  Tenant’s right of first offer shall be on the
terms and conditions set forth in this Section 1.3.

1.3.1

Procedure for Offer.  If Landlord receives a bona fide offer from a third party for the First Offer Space, any portion
of the First Offer Space or such larger space that includes the First Offer Space, Landlord shall notify Tenant (the “First Offer Notice”), provided that no
Superior Right Holder wishes to lease such space.  Pursuant to such First Offer Notice, Landlord shall offer to lease to Tenant the then available First Offer
Space and any additional space noted within the First Offer Notice.  The First Offer Notice shall describe the space so offered to Tenant (which the parties
acknowledge  may  include  a  portion  of  the  First  Offer  Space,  only  the  First  Offer  Space,  or  the  First  Offer  Space  plus  additional  contiguous  space  the
Landlord is offering for lease) and shall set forth the “First Offer Rent,” as that term is defined in Section 1.3.3 below, and the other economic terms upon
which Landlord is willing to lease such space to Tenant.

1.3.2

Procedure  for  Acceptance.    If  Tenant  wishes  to  exercise  Tenant’s  right  of  first  offer  with  respect  to  the  space
described in the First Offer Notice, then within ten (10) business days of delivery of the First Offer Notice to Tenant, Tenant shall deliver notice to Landlord
of Tenant’s election to exercise its right of first offer with respect to the entire space described in the First Offer Notice on the terms contained in such
notice.  If Tenant does not so notify Landlord within the ten (10) business day period, then Landlord shall be free to lease the space described in the First
Offer Notice to anyone to whom Landlord desires on any terms Landlord desires.  Notwithstanding anything to the contrary contained herein, Tenant must
elect to exercise its right of first offer, if at all, with respect to all of the space offered by Landlord to Tenant at any particular time, and Tenant may not elect
to lease only a portion thereof.

First Offer Space Rent.  The “Rent,” as that term is defined in Section 4.1, below, payable by Tenant for the First
Offer Space (the “First Offer Rent”) shall be equal to the “Fair Rental Value”, as defined in Section 2.2.2, below, as of the “First Offer Commencement
Date,” as that term is defined in Section 1.3.5, below.

1.3.3

Construction In First Offer Space.  Tenant shall take the First Offer Space in its “as is” condition, subject to any
improvement allowance granted as a component of the Fair Rental Value, and the construction of improvements in the First Offer Space shall comply with
the terms of Article 8 of this Lease.

1.3.4

Amendment to Lease.  If Tenant timely exercises Tenant’s right to lease the First Offer Space as set forth herein,
Landlord and Tenant shall promptly thereafter execute an amendment to this Lease for such First Offer Space upon the terms and conditions as set forth in
the First Offer Notice and this Section 1.3.  Tenant

1.3.5

 
 
shall commence payment of Rent for the First Offer Space, and the term of the First Offer Space shall commence upon the date of delivery of the First
Offer Space to Tenant (the “First Offer Commencement Date”) and terminate on the date set forth in the First Offer Notice.

1.3.6

Termination  of  Right  of  First  Offer.    The  rights  contained  in  this  Section  1.3  shall  be  personal  to  the  Original
Tenant and its Permitted Assignees, and may only be exercised by the Original Tenant or a Permitted Assignee (and not any other assignee, sublessee or
other transferee of the Original Tenant’s interest in this Lease) if the Original Tenant occupies the majority of the Premises.  Tenant shall not have the right
to lease First Offer Space, as provided in this Section 1.3,  if,  as  of  the  date  of  the  attempted  exercise  of  any  right  of  first  offer  by  Tenant,  or  as  of  the
scheduled date of delivery of such First Offer Space to Tenant, Tenant is in default under this Lease, after the expiration of any applicable notice and cure
period, or Tenant has previously been in default, after the expiration of any applicable notice and cure period, under this Lease more than twice.

2.

LEASE TERM; OPTION TERM

2.1

Lease Term.  The terms and provisions of this Lease shall be effective as of the date of this Lease.  The term of this Lease (the
“Lease Term”)  shall  be  as  set  forth  in  Section 3.1  of  the  Summary,  shall  commence  on  the  date  set  forth  in  Section 3.2  of  the  Summary  (the  “Lease
Commencement Date”),  and  shall  terminate  on  the  date  set  forth  in  Section 3.4  of  the  Summary  (the  “Lease  Expiration  Date”)  unless  this  Lease  is
sooner  terminated  as  hereinafter  provided.    For  purposes  of  this  Lease,  the  term  “Lease Year”  shall  mean  each  consecutive  twelve  (12)  month  period
during the Lease Term.  At any time during the Lease Term, Landlord may deliver to Tenant a notice in the form as set forth in Exhibit B, attached hereto,
as  a  confirmation  only  of  the  information  set  forth  therein,  which  Tenant  shall  execute  and  return  to  Landlord  within  ten  (10)  business  days  of  receipt
thereof.

2.2

Option Term.  

2.2.1

Option  Right.    Landlord  hereby  grants  to  the  originally  named  Tenant  herein  (“Original  Tenant”),  and  its
“Permitted Assignees”, as that term is defined in Section 14.8, below, one (1) option to extend the Lease Term for a period of five (5)  years (the “Option
Term”), which option shall be irrevocably exercised only by written notice delivered by Tenant to Landlord not more than eighteen (18) months nor less
than nine (9) months prior to the expiration of the initial Lease Term, provided that the following conditions (the “Option Conditions”) are satisfied:  (i) as
of the date of delivery of such notice, Tenant is not in default under this Lease, after the expiration of any applicable notice and cure period; (ii) as of the
end of the Lease Term, Tenant is not in default under this Lease, after the expiration of any applicable notice and cure period; (iii) Tenant has not previously
been in default under this Lease, after the expiration of any applicable notice and cure period, more than twice; and (iv) the Lease then remains in full force
and effect and Original Tenant or a Permitted Assignee occupies the majority of the Premises at the time the option to extend is exercised and as of the
commencement of the Option Term.  Landlord may, at Landlord’s option, exercised in Landlord’s sole and absolute discretion, waive any of the Option
Conditions in which case the option, if otherwise properly exercised by Tenant, shall remain in full force and effect.  Upon the proper exercise of such
option to extend, and provided that Tenant satisfies all of the Option Conditions (except those, if any, which are waived by Landlord), the Lease Term, as it
applies to the Premises, shall be extended for a period of five (5) years.  The rights contained in this Section 2.2 shall be personal to Original Tenant and
any Permitted Assignees, and may be exercised by Original Tenant or such Permitted Assignees (and not by any assignee, sublessee or other “Transferee,”
as that term is defined in Section 14.1 of this Lease, of Tenant’s interest in this Lease).

2.2.2

Option Rent.  The annual Rent payable by Tenant during the Option Term (the “Option Rent”) shall be equal to the
“Fair Rental Value,” as that term is defined below, for the Premises as of the commencement date of the Option Term.  The “Fair Rental Value,” as used in
this Lease, shall be equal to the annual rent per rentable square foot (including additional rent and considering any “base year” or “expense stop” applicable
thereto), including all escalations, at which tenants (pursuant to leases consummated within the twelve (12) month period preceding the first day of the
Option Term), are leasing non-sublease, non-encumbered, non-equity space which is not significantly greater or smaller in size than the subject space, for a
comparable lease term, in an arm’s length transaction, which comparable space is located in the “Comparable Buildings,” as that term is defined in this
Section  2.2.2,  below  (transactions  satisfying  the  foregoing  criteria  shall  be  known  as  the  “Comparable  Transactions”),  taking  into  consideration  the
following  concessions  (the  “Concessions”):    (a)  rental  abatement  concessions,  if  any,  being  granted  such  tenants  in  connection  with  such  comparable
space; (b) tenant improvements

 
 
or allowances provided or to be provided for such comparable space, and taking into account the value, if any, of the existing improvements in the subject
space, such value to be based upon the age, condition, design, quality of finishes and layout of the improvements and the extent to which the same can be
utilized  by  a  general  office  user  other  than  Tenant;  and  (c)  other  reasonable  monetary  concessions  being  granted  such  tenants  in  connection  with  such
comparable space; provided, however, that in calculating the Fair Rental Value, no consideration shall be given to (i) the fact that Landlord is or is not
required to pay a real estate brokerage commission in connection with Tenant’s exercise of its right to extend the Lease Term, or the fact that landlords are
or are not paying real estate brokerage commissions in connection with such comparable space, and (ii) any period of rental abatement, if any, granted to
tenants in comparable transactions in connection with the design, permitting and construction of tenant improvements in such comparable spaces.  The Fair
Rental Value shall additionally include a determination as to whether, and if so to what extent, Tenant must provide Landlord with financial security, such
as  a  letter  of  credit  or  guaranty,  for  Tenant’s  Rent  obligations  in  connection  with  Tenant’s  lease  of  the  Premises  during  the  Option  Term.    Such
determination  shall  be  made  by  reviewing  the  extent  of  financial  security  then  generally  being  imposed  in  Comparable  Transactions  from  tenants  of
comparable  financial  condition  and  credit  history  to  the  then  existing  financial  condition  and  credit  history  of  Tenant  (with  appropriate  adjustments  to
account for differences in the then-existing financial condition of Tenant and such other tenants).  The Concessions (A) shall be reflected in the effective
rental rate (which effective rental rate shall take into consideration the total dollar value of such Concessions as amortized on a straight-line basis over the
applicable  term  of  the  Comparable  Transaction  (in  which  case  such  Concessions  evidenced  in  the  effective  rental  rate  shall  not  be  granted  to  Tenant))
payable by Tenant, or (B) at Landlord’s election, all such Concessions shall be granted to Tenant in kind.  The term “Comparable Buildings” shall mean
the Building and those other class A life sciences or class A office buildings which are comparable to the Building in terms of age (based upon the date of
completion of construction or major renovation of to the building), quality of construction, level of services and amenities, size and appearance, and are
located in Durham, North Carolina  and the surrounding commercial area.

2.2.3

Determination  of  Option  Rent.    In  the  event  Tenant  timely  and  appropriately  exercises  an  option  to  extend  the
Lease  Term,  Landlord  shall  notify  Tenant  of  Landlord’s  determination  of  the  Option  Rent  at  least  sixty  (60)  days  before  the  Lease  Expiration  Date.    If
Tenant, on or before the date which is ten (10) business days following the date upon which Tenant receives Landlord’s determination of the Option Rent,
in good faith objects to Landlord’s determination of the Option Rent, then Landlord and Tenant shall attempt to agree upon the Option Rent using their best
good-faith  efforts.    If  Landlord  and  Tenant  fail  to  reach  agreement  within  ten  (10)  business  days  following  Tenant’s  objection  to  the  Option  Rent  (the
“Outside Agreement Date”), then each party shall make a separate determination of the Option Rent, as the case may be, within five (5) business days,
and such determinations shall be submitted to arbitration in accordance with Sections 2.2.3.1 through 2.2.3.7, below.  If Tenant fails to object to Landlord’s
determination  of  the  Option  Rent  within  the  time  period  set  forth  herein,  then  Tenant  shall  be  deemed  to  have  objected  to  Landlord’s  determination  of
Option Rent.  

2.2.3.1

Landlord  and  Tenant  shall  each  appoint  one  arbitrator  who  shall  be,  at  the  option  of  the  appointing
party, a real estate broker or appraiser who shall have been active over the five (5) year period ending on the date of such appointment in the leasing or
appraisal  (not  currently  or  formerly  in  the  employ  of  Landlord  or  Tenant),  as  the  case  may  be,  of  other  class  A  life  sciences  buildings  located  in  the
Durham, North Carolina market area.  The determination of the arbitrators shall be limited solely to the issue of whether Landlord’s or Tenant’s submitted
Option  Rent  is  the  closest  to  the  actual  Option  Rent,  taking  into  account  the  requirements  of  Section  2.2.2  of  this  Lease,  as  determined  by  the
arbitrators.  Each such arbitrator shall be appointed within fifteen (15) days after the Outside Agreement Date.  Landlord and Tenant may consult with their
selected arbitrators prior to appointment and may select an arbitrator who is favorable to their respective positions.  The arbitrators so selected by Landlord
and Tenant shall be deemed “Advocate Arbitrators.”

The two (2) Advocate Arbitrators so appointed shall be specifically required pursuant to an engagement
letter within ten (10) business days of the date of the appointment of the last appointed Advocate Arbitrator to agree upon and appoint a third arbitrator
(“Neutral Arbitrator”) who shall be qualified under the same criteria set forth hereinabove for qualification of the two Advocate Arbitrators, except that
neither the Landlord or Tenant or either parties’ Advocate Arbitrator may, directly or indirectly, consult with the Neutral Arbitrator prior or subsequent to
his or her appearance.  The Neutral Arbitrator shall be retained via an engagement letter jointly prepared by Landlord’s counsel and Tenant’s counsel.

2.2.3.2

 
 
decision as to whether the parties shall use Landlord’s or Tenant’s submitted Option Rent, and shall notify Landlord and Tenant thereof.

2.2.3.3

The three arbitrators shall, within thirty (30) days of the appointment of the Neutral Arbitrator, reach a

2.2.3.4

The decision of the majority of the three arbitrators shall be binding upon Landlord and Tenant.  

If either Landlord or Tenant fails to appoint an Advocate Arbitrator  within fifteen (15) days after the
Outside Agreement Date, then either party may petition the presiding judge of the Superior Court of Durham County to appoint such Advocate Arbitrator
subject to the criteria in Section 2.2.3.1 of this Lease, or if he or she refuses to act, either party may petition any judge having jurisdiction over the parties to
appoint such Advocate Arbitrator.

2.2.3.5

If  the  two  (2)  Advocate  Arbitrators  fail  to  agree  upon  and  appoint  the  Neutral  Arbitrator,  then  either
party may petition the presiding judge of the Superior Court of Durham County to appoint the Neutral Arbitrator, subject to criteria in Section 2.2.3.1 2 of
this Lease, or if he or she refuses to act, either party may petition any judge having jurisdiction over the parties to appoint such arbitrator.

2.2.3.6

2.2.3.7

The cost of the arbitration shall be paid by Landlord and Tenant equally.

In the event that the Option Rent shall not have been determined pursuant to the terms hereof prior to
the  commencement  of  the  Option  Term,  Tenant  shall  be  required  to  pay  the  Option  Rent  initially  provided  by  Landlord  to  Tenant,  and  upon  the  final
determination of the Option Rent, the payments made by Tenant shall be reconciled with the actual amounts of Option Rent due, and the appropriate party
shall make any corresponding payment to the other party.

2.2.3.8

3.

BASE RENT

3.1

Beginning on the Rent Commencement Date, Tenant shall pay, without prior notice or demand, to Landlord or Landlord’s agent at
the management office of the Project, or, at Landlord’s option, at such other place as Landlord may from time to time designate in advance and in writing,
(i) by a check for currency which, at the time of payment, is legal tender for private or public debts in the United States of America, or (ii) if so elected by
Tenant, by electronic funds transfer to the account of Landlord as provided to Tenant, base rent (“Base Rent”) as set forth in Section 4 of the Summary,
payable in equal monthly installments as set forth in Section 4 of the Summary  in advance on or before the first day of each and every calendar month
during the Lease Term, without any setoff or deduction whatsoever.  The Base Rent for the first full month of the Lease Term shall be paid at the time of
Tenant’s execution of this Lease.  If any Rent payment date (including the Rent Commencement Date) falls on a day of the month other than the first day of
such month or if any payment of Rent is for a period which is shorter than one month, the Rent for any fractional month shall accrue on a daily basis for the
period from the date such payment is due to the end of such calendar month or to the end of the Lease Term at a rate per day which is equal to 1/365 of the
applicable annual Rent.  All other payments or adjustments required to be made under the terms of this Lease that require proration on a time basis shall be
prorated  on  the  same  basis.  Base  Rent  and  Additional  Rent,  as  defined  below,  shall  together  be  denominated  “Rent.”    Without  limiting  the  foregoing,
Tenant’s obligation to pay Rent shall not be discharged or otherwise affected by any law or regulation now or hereafter applicable to the Premises, or any
other  restriction  on  Tenant’s  use,  or  (except  as  expressly  provided  herein)  any  casualty  or  taking,  or  any  failure  by  Landlord  to  perform  any  covenant
contained herein, or any other occurrence.  

4.

ADDITIONAL RENT

4.1

General Terms.  In addition to paying the Base Rent specified in Article 3 of this Lease, Tenant shall pay “Tenant’s Share” of the
annual “Direct Expenses,” as those terms are defined in Sections 4.2.6 and 4.2.2 of this Lease, respectively.  Such payments by Tenant, together with any
and  all  other  amounts  payable  by  Tenant  to  Landlord  pursuant  to  the  terms  of  this  Lease,  are  hereinafter  collectively  referred  to  as  the  “Additional
Rent”.  All amounts due under this Article 4 as Additional Rent shall be payable for the same periods and in the same manner as the Base Rent.  Without
limitation on other obligations of Tenant which survive the expiration of the Lease Term, the

 
 
obligations of Tenant to pay the Additional Rent provided for in this Article 4 shall survive the expiration of the Lease Term.

4.2

Definitions of Key Terms Relating to Additional Rent.  As used in this Article 4, the following terms shall have the meanings

hereinafter set forth:

4.2.1

4.2.2

Intentionally Omitted.

“Direct Expenses” shall mean “Operating Expenses” and “Tax Expenses.”

4.2.3

“Expense Year” shall mean each calendar year in which any portion of the Lease Term falls, through and including
the calendar year in which the Lease Term expires, provided that Landlord, upon advance written notice to Tenant, may change the Expense Year from time
to  time  to  any  other  twelve  (12)  consecutive  month  period,  and,  in  the  event  of  any  such  change,  Tenant’s  Share  of  Direct  Expenses  shall  be  equitably
adjusted for any Expense Year involved in any such change.

4.2.4

“Operating  Expenses”  shall  mean  all  reasonable  expenses,  costs  and  amounts  of  every  kind  and  nature  which
Landlord actually pays or accrues during any Expense Year because of or in connection with the ownership, management, maintenance, security, repair,
replacement,  restoration  or  operation  of  the  Project,  or  any  portion  thereof.   Without  limiting  the  generality  of  the  foregoing,  Operating  Expenses  shall
specifically include any and all of the following:  (i) the cost of supplying all utilities, the cost of operating, repairing, maintaining, and renovating the
utility,  telephone,  mechanical,  sanitary,  storm  drainage,  and  elevator  systems  (if  applicable),  and  the  cost  of  maintenance  and  service  contracts  in
connection therewith; (ii) the cost of licenses, certificates, permits and inspections and the cost of contesting any governmental enactments which affect
Operating Expenses, and the costs incurred in connection with a governmentally mandated transportation system management program or similar program;
(iii) the cost of all insurance carried by Landlord in connection with the Project as reasonably determined by Landlord; (iv) the cost of landscaping, re-
lamping, and all supplies, tools, equipment and materials used in the operation, repair and maintenance of the Project, or any portion thereof; (v) the cost of
parking area operation, repair, restoration, and maintenance; (vi) fees and other costs, including market management and/or incentive fees, consulting fees,
legal fees and accounting fees, of all contractors and consultants in connection with the management, operation, maintenance and repair of the Project; (vii)
payments under any equipment rental agreements and the fair rental value of any management office space; (viii) subject to item (f), below, wages, salaries
and other compensation and benefits, including taxes levied thereon, of all persons engaged in the operation, maintenance and security of the Project (at or
below the level of property manager); (ix) costs under any instrument pertaining to the sharing of costs by the Project; (x) operation, repair, maintenance
and  replacement  of  all  systems  and  equipment  and  components  thereof  of  the  Project;  (xi)  the  cost  of  janitorial,  alarm,  security  and  other  services,
replacement of wall and floor coverings, ceiling tiles and fixtures in Common Areas, maintenance and replacement of curbs and walkways, repair to roofs
and re-roofing; (xii) amortization (including reasonable interest on the unamortized cost) over such period of time as Landlord shall reasonably determine,
of the cost of acquiring or the rental expense of personal property used in the maintenance, operation and repair of the Project, or any portion thereof; (xiii)
the  cost  of  capital  improvements  or  other  costs  incurred  in  connection  with  the  Project  (A)  which  are  intended  to  reduce  expenses  in  the  operation  or
maintenance of the Project, or any portion thereof, or to reduce current or future Operating Expenses or to enhance the safety or security of the Project or
its occupants, (B) that are required to comply with present or anticipated mandatory conservation programs, (C) which are replacements or modifications of
nonstructural items located in the Common Areas required to keep the Common Areas in the same good order or condition as on the Commencement Date,
or (D) that are required under any governmental law or regulation that was not in force or effect as of the Commencement Date; provided, however, that
any capital expenditure shall be amortized (including reasonable interest on the amortized cost as reasonably determined by Landlord) in accordance with
IRS regulations; and (xiv) costs, fees, charges or assessments imposed by, or resulting from any mandate imposed on Landlord by, any federal, state or
local government for fire and police protection, trash removal, community services, or other services which do not constitute “Tax Expenses” as that term is
defined in Section 4.2.5, below, (xv) cost of tenant relation programs reasonably established by Landlord, and (xvi) payments under any easement, license,
operating agreement, declaration, restrictive covenant, or instrument pertaining to the sharing of costs by the Building, including, without limitation, any
covenants,  conditions  and  restrictions  affecting  the  property,  and  reciprocal  easement  agreements  affecting  the  property,  any  parking  licenses,  and  any
agreements with transit agencies affecting the Property (collectively, “Underlying Documents”).  In the event that Landlord or Landlord’s managers or
agents perform services for the benefit of the Building off-site

 
 
which would otherwise be performed on-site (e.g. accounting), the cost of such services shall be reasonably allocated among the properties benefitting from
such  service  and  shall  be  included  in  Operating  Expenses.    Notwithstanding  the  foregoing,  for  purposes  of  this  Lease,  Operating  Expenses  shall  not,
however, include:

costs, including legal fees, space planners’ fees, advertising and promotional expenses, and brokerage fees
incurred in connection with the original construction or development, or original or future leasing of the Project, and costs, including permit, license and
inspection costs, incurred with respect to the installation of tenant improvements made for new tenants initially occupying space in the Project after the
Lease  Commencement  Date  or  incurred  in  renovating  or  otherwise  improving,  decorating,  painting  or  redecorating  vacant  space  for  tenants  or  other
occupants of the Project (excluding, however, such costs relating to any common areas of the Project);

(a)

mortgages and other debt costs, if any, penalties and interest, and costs of capital improvements (as distinguished from repairs or replacements);

(b)

except as set forth in items (xii), (xiii), and (xiv) above, depreciation, interest and principal payments on

carrier or any tenant’s carrier or by anyone else, and electric power costs for which any tenant directly contracts with the local public service company;

(c)

costs for which the Landlord is reimbursed by any tenant or occupant of the Project or by insurance by its

(d)

any bad debt loss, rent loss, or reserves for bad debts or rent loss;

(e)

costs  associated  with  the  operation  of  the  business  of  the  partnership  or  entity  which  constitutes  the
Landlord, as the same are distinguished from the costs of operation of the Project (which shall specifically include, but not be limited to, accounting costs
associated with the operation of the Project).  Costs associated with the operation of the business of the partnership or entity which constitutes the Landlord
include costs of partnership accounting and legal matters, costs of defending any lawsuits with any mortgagee (except as the actions of the Tenant may be
in issue), costs of selling, syndicating, financing, mortgaging or hypothecating any of the Landlord’s interest in the Project, and costs incurred in connection
with any disputes between Landlord and its employees, between Landlord and Project management, or between Landlord and other tenants or occupants;

the wages and benefits of any employee who does not devote substantially all of his or her employed time to
the  Project  unless  such  wages  and  benefits  are  prorated  to  reflect  time  spent  on  operating  and  managing  the  Project  vis-a-vis  time  spent  on  matters
unrelated  to  operating  and  managing  the  Project;  provided,  that  in  no  event  shall  Operating  Expenses  for  purposes  of  this  Lease  include  wages  and/or
benefits attributable to personnel above the level of Project manager;

(f)

(g)

amount paid as ground rental for the Project by the Landlord;

except for a property management fee to the extent expressly allowed above, overhead and profit increment
paid to the Landlord or to subsidiaries or affiliates of the Landlord for services in the Project to the extent the same exceeds the costs of such services
rendered by qualified, first-class unaffiliated third parties on a competitive basis;

(h)

Landlord, provided that any compensation paid to any concierge at the Project shall be includable as an Operating Expense;

(i)

any  compensation  paid  to  clerks,  attendants  or  other  persons  in  commercial  concessions  operated  by  the

rentals and other related expenses incurred in leasing air conditioning systems, elevators (if applicable) or
other equipment which if purchased the cost of which would be excluded from Operating Expenses as a capital improvement, except equipment not affixed
to the Project which is used in providing janitorial or similar services and, further excepting from this exclusion such equipment rented or leased to remedy
or ameliorate an emergency condition in the Project ;

(j)

 
 
Landlord provides selectively to one or more tenants (other than Tenant) without reimbursement;

(k)

all  items  and  services  for  which  Tenant  or  any  other  tenant  in  the  Project  reimburses  Landlord  or  which

(l)

any costs expressly excluded from Operating Expenses elsewhere in this Lease;

rent for any office space occupied by Project management personnel to the extent the size or rental rate of
such office space exceeds the size or fair market rental value of office space occupied by management personnel of the comparable buildings in the vicinity
of the Building, with adjustment where appropriate for the size of the applicable project;

(m)

contractors, or providers of materials or services;

(n)

costs arising from the gross negligence or willful misconduct of Landlord or its agents, employees, vendors,

(o)

costs  incurred  to  comply  with  laws  relating  to  the  removal  of  hazardous  material  (as  defined  under
Applicable Law) which was in existence in the Building or on the Project prior to the Lease Commencement Date, and was of such a nature that a federal,
State or municipal governmental authority, if it had then had knowledge of the presence of such hazardous material, in the state, and under the conditions
that it then existed in the Building or on the Project, would have then required the removal of such hazardous material or other remedial or containment
action  with  respect  thereto;  and  costs  incurred  to  remove,  remedy,  contain,  or  treat  hazardous  material,  which  hazardous  material  is  brought  into  the
Building or onto the Project after the date hereof by Landlord or any other tenant of the Project and is of such a nature, at that time, that a federal, State or
municipal governmental authority, if it had then had knowledge of the presence of such hazardous material, in the state, and under the conditions, that it
then exists in the Building or on the Project, would have then required the removal of such hazardous material or other remedial or containment action with
respect thereto;

costs incurred to comply with laws relating to the removal of Hazardous Materials (other than Hazardous
Materials  typically  found  in  first  class  office  buildings,  such  as  recyclable  materials  and  typical  construction  materials,  and  costs  to  comply  with  the
Operation and Maintenance Plan described on Exhibit G);

(p)

and not provided to Tenant;

(q)

(r)

the cost of special services, goods or materials provided to any other tenant of the Project free of charge,

Landlord’s general overhead expenses not related to the Project;

legal  fees,  accountants’  fees  (other  than  normal  bookkeeping  expenses)  and  other  expenses  incurred  in
connection  with  disputes  of  tenants  or  other  occupants  of  the  Project  or  associated  with  the  enforcement  of  the  terms  of  any  leases  with  tenants  or  the
defense of Landlord’s title to or interest in the Project or any part thereof;

(s)

of a lease; and

(t)

(u)

costs incurred due to a violation by Landlord or any other tenant of the Project of the terms and conditions

any reserve funds.

If  Landlord  is  not  furnishing  any  particular  work  or  service  (the  cost  of  which,  if  performed  by  Landlord,  would  be  included  in  Operating
Expenses) to a tenant who has undertaken to perform such work or service in lieu of the performance thereof by Landlord, Operating Expenses shall be
deemed  to  be  increased  by  an  amount  equal  to  the  additional  Operating  Expenses  which  would  reasonably  have  been  incurred  during  such  period  by
Landlord if it had at its own expense furnished such work or service to such tenant.  If the Project is not at least one hundred percent (100%) occupied
during all or a portion of any Expense Year, Landlord shall make an appropriate adjustment to the components of Operating Expenses for such year to
determine the amount of Operating Expenses that would have been incurred had the Project been one hundred percent (100%) occupied; and the amount so
determined shall be deemed to have been the amount of Operating Expenses for such year.  

 
 
4.2.5

Taxes.

4.2.5.1

“Tax Expenses” shall mean all federal, state, county, or local governmental or municipal taxes, fees,
charges or other impositions of every kind and nature, whether general, special, ordinary or extraordinary (including, without limitation, real estate taxes,
general and special assessments, transit taxes, leasehold taxes or taxes based upon the receipt of rent, including gross receipts or sales taxes applicable to
the receipt of rent, unless required to be paid by Tenant, personal property taxes imposed upon the fixtures, machinery, equipment, apparatus, systems and
equipment, appurtenances, furniture and other personal property used in connection with the Project, or any portion thereof), which shall be paid or accrued
during any Expense Year (without regard to any different fiscal year used by such governmental or municipal authority) because of or in connection with
the ownership, leasing and operation of the Project, or any portion thereof.

4.2.5.2

Tax Expenses shall include, without limitation:  (i) Any tax on the rent, right to rent or other income
from the Project, or any portion thereof, or as against the business of leasing the Project, or any portion thereof; (ii) Any assessment, tax, fee, levy or charge
in addition to, or in substitution, partially or totally, of any assessment, tax, fee, levy or charge previously included within the definition of real property
tax; (iii) Any assessment, tax, fee, levy, or charge allocable to or measured by the area of the Premises or the Rent payable hereunder, including, without
limitation,  any  business  or  gross  income  tax  or  excise  tax  with  respect  to  the  receipt  of  such  rent,  or  upon  or  with  respect  to  the  possession,  leasing,
operating, management, maintenance, alteration, repair, use or occupancy by Tenant of the Premises, or any portion thereof; and (iv) Any assessment, tax,
fee, levy or charge, upon this transaction or any document to which Tenant is a party, creating or transferring an interest or an estate in the Premises or the
improvements thereon.

4.2.5.3

Any  reasonable  costs  and  expenses  (including,  without  limitation,  reasonable  attorneys’  and
consultants’ fees) incurred in attempting to protest, reduce or minimize Tax Expenses shall be included in Tax Expenses in the Expense Year such expenses
are incurred.  Tax refunds shall be credited against Tax Expenses and refunded to Tenant regardless of when received, based on the Expense Year to which
the refund is applicable, provided that in no event shall the amount to be refunded to Tenant for any such Expense Year exceed the total amount paid by
Tenant as Additional Rent under this Article 4 for such Expense Year.  The foregoing sentence shall survive the expiration or earlier termination of this
Lease.    If  Tax  Expenses  for  any  period  during  the  Lease  Term  or  any  extension  thereof  are  increased  after  payment  thereof  for  any  reason,  including,
without limitation, error or reassessment by applicable governmental or municipal authorities, Tenant shall pay Landlord upon demand Tenant’s Share of
any such increased Tax Expenses.  Notwithstanding anything to the contrary contained in this Section 4.2.5, there shall be excluded from Tax Expenses (i)
all excess profits taxes, franchise taxes, gift taxes, capital stock taxes, inheritance and succession taxes, estate taxes, transfer tax or fee, federal and state
income taxes, and other taxes to the extent applicable to Landlord’s general or net income (as opposed to rents, receipts or income attributable to operations
at the Project), (ii) any items included as Operating Expenses, and (iii) any items paid by Tenant under Section 4.5 of this Lease.

of the Building and, subject to adjustment pursuant to Section 1.2 above, is the percentage set forth in Section 7 of the Summary.  

4.2.6

“Tenant’s Share” is based upon the ratio that the rentable square feet of the Premises bears to the rentable square feet

4.3

Intentionally omitted.  .

4.4

Calculation and Payment of Additional Rent.  Tenant shall pay to Landlord, in the manner set forth in Section 4.4.1, below, and
as  Additional  Rent,  Tenant’s  Share  of  Direct  Expenses  for  each  Expense  Year.  If  the  Rent  Commencement  Date  is  a  day  other  than  the  first  day  of  an
Expense  Year,  or  if  this  Lease  terminates  or  expires  on  a  day  other  than  the  last  day  of  an  Expense  Year,  then  Additional  Rent  shall  be  prorated  in  the
manner provided in Section 3.1 above.

4.4.1

Statement  of  Actual  Direct  Expenses  and  Payment  by  Tenant.    Landlord  shall  use  good  faith  efforts  to  give  to
Tenant within six (6) months following the end of each Expense Year, a statement (the “Statement”)  which  shall  state  the  Direct  Expenses  incurred  or
accrued for such preceding Expense Year, and which shall indicate the amount of Tenant’s Share of Direct Expenses.  Upon receipt of the Statement for
each Expense Year commencing or ending during the Lease Term, Tenant shall pay, with its next installment of Base Rent due, the full

 
 
amount  of  Tenant’s  Share  of  Direct  Expenses  for  such  Expense  Year,  less  the  amounts,  if  any,  paid  during  such  Expense  Year  as  “Estimated  Direct
Expenses,” as that term is defined in Section 4.4.2, below, and if Tenant paid more as Estimated Direct Expenses than the actual Tenant’s Share of Direct
Expenses, Tenant shall receive a credit in the amount of Tenant’s overpayment against Rent next due under this Lease.  The failure of Landlord to timely
furnish the Statement for any Expense Year shall not prejudice Landlord or Tenant from enforcing its rights under this Article 4.  Even though the Lease
Term has expired and Tenant has vacated the Premises, when the final determination is made of Tenant’s Share of Direct Expenses for the Expense Year in
which this Lease terminates, Tenant shall pay to Landlord such amount within thirty (30) days, and if Tenant paid more as Estimated Direct Expenses than
the  actual  Tenant’s  Share  of  Direct  Expenses,  Landlord  shall,  within  thirty  (30)  days,  deliver  a  check  payable  to  Tenant  in  the  amount  of  the
overpayment.  The provisions of this Section 4.4.1 shall survive the expiration or earlier termination of the Lease Term.  Notwithstanding the immediately
preceding sentence, Tenant shall not be responsible for Tenant’s Share of any Direct Expenses attributable to any Expense Year which are first billed to
Tenant more than two (2) calendar years after the earlier of the expiration of the applicable Expense Year or the Lease Expiration Date, provided that in any
event Tenant shall be responsible for Tenant’s Share of Direct Expenses levied by any governmental authority or by any public utility companies at any
time following the Lease Expiration Date which are attributable to any Expense Year (provided that Landlord delivers Tenant a bill for such amounts within
two (2) years following Landlord’s receipt of the bill therefor).

4.4.2

Statement  of  Estimated  Direct  Expenses.    In  addition,  Landlord  shall  give  Tenant  a  yearly  expense  estimate
statement (the “Estimate Statement”) which shall set forth Landlord’s reasonable estimate (the “Estimate”) of what the total amount of Direct Expenses
for  the  then-current  Expense  Year  shall  be  and  the  estimated  Tenant’s  Share  of  Direct  Expenses  (the  “Estimated  Direct  Expenses”).    The  failure  of
Landlord  to  timely  furnish  the  Estimate  Statement  for  any  Expense  Year  shall  not  preclude  Landlord  from  enforcing  its  rights  to  collect  any  Estimated
Direct  Expenses  under  this  Article 4,  nor  shall  Landlord  be  prohibited  from  revising  any  Estimate  Statement  or  Estimated  Direct  Expenses  theretofore
delivered to the extent necessary.  Thereafter, Tenant shall pay, with its next installment of Base Rent due, a fraction of the Estimated Direct Expenses for
the then-current Expense Year (reduced by any amounts paid pursuant to the last sentence of this Section 4.4.2).  Such fraction shall have as its numerator
the number of months which have elapsed in such current Expense Year, including the month of such payment, and twelve (12) as its denominator.  Until a
new Estimate Statement is furnished (which Landlord shall have the right to deliver to Tenant at any time), Tenant shall pay monthly, with the monthly
Base Rent installments, an amount equal to one-twelfth (1/12) of the total Estimated Direct Expenses set forth in the previous Estimate Statement delivered
by Landlord to Tenant.

4.4.3

Audit  Right.  In  the  event  the  Controllable  Operating  Expenses  (as  defined  below)  increase  by  more  than  three
percent  (3%)  in  any  given  Lease  Year  (as  measured  against  the  Controllable  Operating  Expenses  for  the  immediately  preceding  Lease  Year),  or  as
otherwise reasonably requested by Tenant (or required by Tenant’s business partners and/or applicable law), then Tenant may audit Landlord’s records and
all information pertaining to Operating Expenses in order to verify the accuracy of Landlord’s determination of the Tenant’s Share subject to the procedure
noted  below.    Controllable  Operating  Expenses  shall  include  all  Operating  Expenses  other  than  utilities  (e.g.,  electricity,  gas,  water  and  sewer),
management fees, security expenses, insurance, taxes, assessments, snow and ice removal and other weather related charges, association fees and charges
under  any  declaration,  storm  water  fees  and  similar  governmental  or  quasi-governmentally  imposed  fees,  and  any  other  expenses  which  are  set  or
determined by a governmental entity or other third party and non-negotiable, or are otherwise beyond Landlord’s reasonable control including minimum
wage  increases,  hereafter,  “Controllable  Operating  Expenses”.      Tenant  must  comply  with  the  following  in  order  to  audit  Landlord’s  records  and
information pertaining to Operating Expenses:

Tenant must give notice to Landlord of its election to undertake said audit within one hundred twenty (120) days after
(i)
receipt of the statement of the actual amount of Tenant’s Share for the preceding calendar year from Landlord, and with respect to
such audit, Tenant may audit the two preceding calendar years;  

(ii)
Operating Expenses and only after Tenant gives Landlord fourteen (14) days’ advance written notice;

Such  audit  will  be  conducted  only  during  regular  business  hours  at  the  office  where  Landlord  maintains  records  of

 
 
Tenant shall deliver to Landlord a copy of the results of such audit within fifteen (15) days of its receipt by Tenant and
(iii)
no such audit shall be conducted if any other tenant of the Building has conducted an independent audit for the time period Tenant
intends to audit and Landlord furnishes to Tenant a copy of such audit;

(iv)
cure period) of any of the terms of this Lease;

No audit shall be conducted at any time that Tenant is in default (after the expiration of any applicable grace and/or

(v)
which such assignee was not in possession of the Premises;

No  subtenant  shall  have  any  right  to  conduct  an  audit  and  no  assignee  shall  conduct  an  audit  for  any  period  during

(vi)
under the terms of this Lease; and

Such audit review by Tenant shall not postpone or alter the liability and obligation of Tenant to pay any amounts due

(vii)
Tenant on a contingency fee basis.

Such  audit  shall  be  conducted  by  an  independent,  reputable  accounting  firm  which  is  not  being  compensated  by

Within  thirty  (30)  days  after  Tenant’s  receipt  of  such  audit,  Tenant  must  give  notice  to  Landlord  of  any  disputed  amounts  and
identify all items being contested in Landlord’s statement of the Tenant Share.  If Landlord and Tenant cannot agree upon any such
item as to which Tenant shall have given such notice, the dispute shall be resolved by an audit by a major accounting firm mutually
and reasonably acceptable to Landlord and Tenant and the cost of said joint audit shall be paid by the non-prevailing party.

Any  adjustment  required  as  a  result  of  any  audit  shall  be  paid  within  30  days,  or  adjusted  in  the  next  installment(s)  of  Tenant’s
Share.

4.5

Taxes  and  Other  Charges  for  Which  Tenant  Is  Directly  Responsible.    Tenant  shall  be  liable  for  and  shall  pay  before
delinquency, taxes levied against Tenant’s equipment, furniture, fixtures and any other personal property located in or about the Premises.  If any such taxes
on Tenant’s equipment, furniture, fixtures and any other personal property are levied against Landlord or Landlord’s property or if the assessed value of
Landlord’s  property  is  noticeably  increased  by  the  inclusion  therein  of  a  value  placed  upon  such  equipment,  furniture,  fixtures  or  any  other  personal
property (as reasonably documented by Landlord) and if Landlord pays the taxes based upon such increased assessment, which Landlord shall have the
right to do regardless of the validity thereof but only under proper protest if requested by Tenant, Tenant shall upon demand repay to Landlord the taxes so
levied against Landlord or the proportion of such taxes resulting from such increase in the assessment, as the case may be.

4.6

Limit  of  Increases  in  Tenant’s  Share  of  Operating  Expenses.    The  Controllable  Operating  Expenses  (as  hereinafter  defined)
which  may  be  passed  through  to  Tenant  under  this  Section  4  shall  not  increase  in  any  year  by  an  amount  which  exceeds  five  percent  (5%)  of  such
Controllable  Operating  Expenses  for  the  immediately  preceding  year  (as  measured  on  a  cumulative  and  compounded  basis).    For  purposes  hereof,
“Controllable  Operating  Expenses”  shall  be  deemed  to  include  all  Operating  Expenses  other  than  utilities  (e.g.,  electricity,  gas,  water  and  sewer),
management fees, security expenses, insurance, taxes, assessments, snow and ice removal and other weather related charges, association fees and charges
under  any  declaration,  storm  water  fees  and  similar  governmental  or  quasi-governmentally  imposed  fees,  and  any  other  expenses  which  are  set  or
determined by a governmental entity or other third party or are otherwise beyond Landlord’s reasonable control including minimum wage increases.

5.

USE OF PREMISES

5.1

Permitted Use.  Tenant shall use the Premises solely for the Permitted Use set forth in Section 8 of the Summary and Tenant shall
not use the Premises or the Project for any other purpose or purposes whatsoever without the prior written consent of Landlord, which may be withheld in
Landlord’s sole discretion.  

5.2

Prohibited Uses.  Tenant further covenants and agrees that Tenant shall not use, or suffer or permit any person or persons to use,

the Premises or any part thereof for any use or purpose contrary to the provisions of the

 
 
Rules and Regulations set forth in Exhibit E, attached hereto (the “Rules and Regulations”), or in violation of the laws of the United States of America,
the  State  of  North  Carolina,  or  the  ordinances,  regulations  or  requirements  of  the  local  municipal  or  county  governing  body  or  other  lawful  authorities
having jurisdiction over the Project, including, without limitation, any such laws, ordinances, regulations or requirements relating to hazardous materials or
substances,  as  those  terms  are  defined  by  Applicable  Laws  now  or  hereafter  in  effect,  or  any  Underlying  Documents.    Tenant  shall  not  do  or  permit
anything to be done in or about the Premises which will damage the reputation of the Project or obstruct or unreasonably interfere with the rights of other
tenants or occupants of the Building, or injure or annoy them or use or allow the Premises to be used for any improper, unlawful or objectionable purpose,
nor shall Tenant cause or maintain any nuisance in, on or about the Premises.  Tenant shall comply with, and Tenant’s rights and obligations under the
Lease and Tenant’s use of the Premises shall be subject and subordinate to, all recorded easements, covenants, conditions, and restrictions now or hereafter
affecting the Project.  Provided, however, that (a) in the event of any conflict between any Rules and Regulations and the express terms of this Lease, the
Lease terms shall control; (b) such Rules and Regulations do not require payment of additional material sum of money; (c) such Rules and Regulations do
not  unreasonably  and  materially  interfere  with  Tenant’s  conduct  of  its  business  or  Tenant’s  use  and  enjoyment  of  the  Premises;  (d)  Landlord  provides
reasonable advance written notice thereof; and (e) such Rules and Regulations are uniformly enforced in a non-discriminatory manner.

5.3

5.4

Intentionally Omitted.  

Hazardous Materials.  

5.4.1

Tenant’s Obligations.

5.4.1.1

Prohibitions.  As a material inducement to Landlord to enter into this Lease with Tenant, Tenant has, to
the  best  of  its  knowledge,  completed  Landlord’s  Pre-Leasing  Environmental  Exposure  Questionnaire  (the  “Environmental Questionnaire”),  which  is
attached  as  Exhibit G.    Tenant  hereby  represents,  warrants  and  covenants  that  except  for  those  chemicals  or  materials,  and  their  respective  quantities,
specifically listed on the Environmental Questionnaire, neither Tenant nor Tenant’s employees, contractors and subcontractors of any tier, entities with a
contractual relationship with Tenant (other than Landlord), or any entity acting as an agent or sub-agent of Tenant (collectively, “Tenant’s Agents”) will
produce,  use,  store  or  generate  any  “Hazardous  Materials,”  as  that  term  is  defined  below,  on,  under  or  about  the  Premises,  nor  cause  or  permit  any
Hazardous Material to be brought upon, placed, stored, manufactured, generated, blended, handled, recycled, used or “Released,” as that term is defined
below, on, in, under or about the Premises.  If any information provided to Landlord by Tenant on the Environmental Questionnaire, or otherwise relating
to information concerning Hazardous Materials is knowingly false, incomplete, or misleading in any material respect, the same shall be deemed a default
by Tenant under this Lease.  Tenant shall deliver to Landlord an updated Environmental Questionnaire at least once a year, upon Landlord's request, and in
the  event  of  any  material  change  in  Tenant's  use  of  Hazardous  Materials  at  the  Premises.    Landlord’s  prior  written  consent  shall  be  required  to  any
Hazardous  Materials  use  for  the  Premises  not  described  on  the  initial  Environmental  Questionnaire,  such  consent  not  to  be  unreasonably  withheld,
conditioned, or delayed.  Tenant shall not install or permit any underground storage tank on the Premises.  In addition, Tenant agrees that it:  (i) shall not
cause  or  suffer  to  occur,  the  Release  of  any  Hazardous  Materials  at,  upon,  under  or  within  the  Premises  or  any  contiguous  or  adjacent  premises;  and
(ii) shall not engage in activities at the Premises that result in, give rise to, or lead to the imposition of liability upon Tenant or Landlord or the creation of
an  environmental  lien  or  use  restriction  upon  the  Premises.    For  purposes  of  this  Lease,  “Hazardous  Materials”  means  all  flammable  explosives,
petroleum and petroleum products, waste oil, radon, radioactive materials, toxic pollutants, asbestos, polychlorinated biphenyls (“PCBs”), medical waste,
chemicals  known  to  cause  cancer  or  reproductive  toxicity,  pollutants,  contaminants,  hazardous  wastes,  toxic  substances  or  related  materials,  including
without limitation any chemical, element, compound, mixture, solution, substance, object, waste or any combination thereof, which is or may be hazardous
to  human  health,  safety  or  to  the  environment  due  to  its  radioactivity,  ignitability,  corrosiveness,  reactivity,  explosiveness,  toxicity,  carcinogenicity,
infectiousness  or  other  harmful  or  potentially  harmful  properties  or  effects,  or  defined  as,  regulated  as  or  included  in,  the  definition  of  “hazardous
substances,”  “hazardous  wastes,”  “hazardous  materials,”  or  “toxic  substances”  under  any  Environmental  Laws.    The  term  “Hazardous  Materials”  for
purposes of this Lease shall also include any mold, fungus or spores, whether or not the same is defined, listed, or otherwise classified as a “hazardous
material” under any Environmental Laws, if such mold, fungus or spores may pose a risk to human health or the environment or negatively impact the
value of the Premises.  For purposes of this Lease, “Release” or “Released” or “Releases” shall mean any release, deposit, discharge, emission, leaking,
spilling,  seeping,  migrating,  injecting,  pumping,  pouring,  emptying,  escaping,  dumping,  disposing,  or  other  movement  of  Hazardous  Materials  into  the
environment.

 
 
Any  use  or  storage  of  Hazardous  Materials  by  Tenant  permitted  pursuant  to  this  Article  5  shall  not  exceed  Tenant’s  proportionate  share
(measured on a per floor basis), based on the standards of the BMBL (as defined below), of similarly classed Hazardous Materials.  Notwithstanding the
foregoing to the contrary, in no event shall Tenant or anyone claiming by through or under Tenant perform work at or above the risk category Biosafety
Level  2    as  established  by  the  Department  of  Health  and  Human  Services  (“DHHS”)  and  as  further  described  in  the  DHHS  publication  Biosafety  in
Microbiological and Biomedical Laboratories (5th Edition) (as it may be or may have been further revised, the “BMBL”) or such nationally recognized
new or replacement standards as Landlord may reasonable designate). Tenant shall comply with all applicable provisions of the standards of the BMBL to
the extent applicable to Tenant’s operations in the Premises.

5.4.1.2

Intentionally Omitted.

5.4.1.3

Notices to Landlord.  Unless Tenant is required by Applicable Laws to give earlier notice to Landlord,
Tenant shall notify Landlord in writing as soon as reasonably possible but in no event later than five (5) days after knowledge of (i) the occurrence of any
actual,  alleged  or  threatened  Release  of  any  Hazardous  Material  in,  on,  under,  from,  about  or  in  the  vicinity  of  the  Premises  (whether  past  or  present),
regardless  of  the  source  or  quantity  of  any  such  Release,  or  (ii)  Tenant  becomes  aware  of  any  regulatory  actions,  inquiries,  inspections,  investigations,
directives, or any cleanup, compliance, enforcement or abatement proceedings (including any threatened or contemplated investigations or proceedings)
relating to or potentially affecting the Premises, or (iii) Tenant becomes aware of any claims by any person or entity relating to any Hazardous Materials in,
on, under, from, about or in the vicinity of the Premises, whether relating to damage, contribution, cost recovery, compensation, loss or injury.  Collectively,
the  matters  set  forth  in  clauses  (i),  (ii)  and  (iii)  above  are  hereinafter  referred  to  as  “Hazardous  Materials  Claims”.    Tenant  shall  promptly  forward  to
Landlord  copies  of  all  orders,  notices,  permits,  applications  and  other  communications  and  reports  in  connection  with  any  Hazardous  Materials
Claims.  Additionally, Tenant shall promptly advise Landlord in writing of Tenant’s discovery of any occurrence or condition on, in, under or about the
Premises that could subject Tenant or Landlord to any liability, or restrictions on ownership, occupancy, transferability or use of the Premises under any
“Environmental Laws,” as that term is defined below.  Tenant shall not enter into any legal proceeding or other action, settlement, consent decree or other
compromise with respect to any Hazardous Materials Claims without first notifying Landlord of Tenant’s intention to do so and affording Landlord the
opportunity to join and participate, as a party if Landlord so elects, in such proceedings and in no event shall Tenant enter into any agreements which are
binding on Landlord or the Premises without Landlord’s prior written consent.  Landlord shall have the right to appear at and participate in, any and all
legal  or  other  administrative  proceedings  concerning  any  Hazardous  Materials  Claim.    For  purposes  of  this  Lease,  “Environmental  Laws”  means  all
applicable  present  and  future  laws,  including  principles  of  common  law,  relating  to  the  protection  of  human  health,  safety,  wildlife  or  the  environment,
including, without limitation, (i) all requirements pertaining to reporting, licensing, permitting, investigation and/or remediation of emissions, discharges,
Releases, or threatened Releases of Hazardous Materials, whether solid, liquid, or gaseous in nature, into the air, surface water, groundwater, or land, or
relating  to  the  manufacture,  processing,  distribution,  use,  treatment,  storage,  disposal,  transport,  or  handling  of  Hazardous  Materials;  and  (ii)  all
requirements  pertaining  to  the  health  and  safety  of  employees  or  the  public.    Environmental  Laws  include,  but  are  not  limited  to,  the  Comprehensive
Environmental Response, Compensation and Liability Act of 1980, 42 USC § 9601, et seq., the Hazardous Materials Transportation Authorization Act of
1994, 49 USC § 5101, et seq., the Solid Waste Disposal Act, as amended by the Resource Conservation and Recovery Act of 1976, and Hazardous and
Solid Waste Amendments of 1984, 42 USC § 6901, et seq., the Federal Water Pollution Control Act, as amended by the Clean Water Act of 1977, 33 USC
§ 1251, et seq., the Clean Air Act of 1966, 42 USC § 7401, et seq., the Toxic Substances Control Act of 1976, 15 USC § 2601, et seq., the Safe Drinking
Water Act of 1974, 42 USC §§ 300f through 300j, the Occupational Safety and Health Act of 1970, as amended, 29 USC § 651 et seq., the Oil Pollution
Act  of  1990,  33  USC  §  2701  et  seq.,  the  Emergency  Planning  and  Community  Right-To-Know  Act  of  1986,  42  USC  §  11001  et  seq.,  the  National
Environmental Policy Act of 1969, 42 USC § 4321 et seq., the Federal Insecticide, Fungicide and Rodenticide Act of 1947, 7 USC § 136 et seq., North
Carolina Oil Pollution and Hazardous Substances Control Act, N.C. Gen. Stat.  § 143-215.75 et seq., North Carolina Inactive Hazardous Sites Act, N.C.
Gen. Stat. § 130A-310, North Carolina Water and Air Resources Act, N.C. Gen. Stat. § 143-211 et seq., 15A N.C. Admin. Code Subchapter 2L, , and any
other  state  or  local  law  counterparts,  as  amended,  as  such  Applicable  Laws,  are  in  effect  as  of  the  Lease  Commencement  Date,  or  thereafter  adopted,
published, or promulgated.

 
 
5.4.1.4

Releases of Hazardous Materials.  If any Release of any Hazardous Material in, on, under, from or
about the Premises shall occur at any time during the Lease and/or if any other Hazardous Material condition exists at the Premises proximately due to the
breach  of  Tenant’s  obligations  under  this  Section  5.4  that  requires  response  actions  under  Environmental  Laws,  in  addition  to  notifying  Landlord  as
specified above, Tenant, at its own sole cost and expense, shall (i) immediately comply with any and all reporting requirements imposed pursuant to any
and all Environmental Laws, (ii) provide a written certification to Landlord indicating that Tenant has complied with all applicable reporting requirements,
(iii) take any and all necessary investigation, corrective and remedial action in accordance with any and all applicable Environmental Laws, utilizing an
environmental consultant reasonably approved by Landlord, all in accordance with the provisions and requirements of this Section 5.4, including, without
limitation, Section 5.4.4, and (iv)  take any such additional investigative, remedial and corrective actions as Landlord shall in its reasonable discretion deem
necessary such that the Premises are remediated to a condition allowing unrestricted use of the Premises (i.e. to a level that will allow any future use of the
Premises,  including  residential,  without  any  engineering  controls  or  deed  restrictions),  all  in  accordance  with  the  provisions  and  requirements  of  this
Section 5.4.  Landlord may, as required by any and all Environmental Laws, report the Release of any Hazardous Material to the appropriate governmental
authority, identifying Tenant as the responsible party.  Tenant shall deliver to Landlord copies of all administrative orders, notices, demands, directives or
other communications directed to Tenant from any governmental authority with respect to any Release of Hazardous Materials in, on, under, from, or about
the Premises, together with copies of all investigation, assessment, and remediation plans and reports prepared by or on behalf of Tenant in response to any
such regulatory order or directive.  Notwithstanding the foregoing, if Tenant provides Landlord with substantial proof that a Release in the Premises was
caused by another tenant or occupant in the Project then Landlord shall use good faith efforts to assist Tenant in pursuing such party to cause it to remediate
the Release or pay for such remediation, but ultimately Tenant’s obligations under this Section 5.4 shall remain as stated herein.

5.4.1.5

Indemnification.

5.4.1.5.1

In General.  Without limiting in any way Tenant’s obligations under any other provision
of this Lease, Tenant shall be solely responsible for and shall protect, defend, indemnify and hold the Landlord Parties harmless from and against any and
all  claims,  judgments,  losses,  damages,  costs,  expenses,  penalties,  enforcement  actions,  taxes,  fines,  remedial  actions,  liabilities  (including,  without
limitation,  actual  attorneys’  fees,  litigation,  arbitration  and  administrative  proceeding  costs,  expert  and  consultant  fees  and  laboratory  costs)  including,
without  limitation,  consequential  damages  and  sums  paid  in  settlement  of  claims,  which  arise  during  or  after  the  Lease  Term,  whether  foreseeable  or
unforeseeable, directly or indirectly arising out of or attributable to the presence, use, generation, manufacture, treatment, handling, refining, production,
processing, storage, Release or presence of Hazardous Materials in, on, under or about the Premises by Tenant, except to the extent such liabilities result
from the gross negligence or willful misconduct of Landlord following the Lease Commencement Date.  The foregoing obligations of Tenant shall include,
including without limitation:  (i) the costs of any required or necessary removal, repair, cleanup or remediation of the Premises, and the preparation and
implementation of any closure, removal, remedial or other required plans; (ii) judgments for personal injury or property damages; and (iii) all costs and
expenses incurred by Landlord in connection therewith.  It is the express intention of the parties to this Lease that Tenant assumes all such liabilities, and
holds Landlord harmless from all such liabilities, associated with the environmental condition of the Premises, arising on or after the date Tenant takes
possession of the Premises.

5.4.1.5.2

Limitations.    Landlord  warrants  and  represents  that  Landlord  has  not  engaged  in  the
Release of any Hazardous Materials subsequent to the date of the “Phase I Environmental Site Assessment Report” bearing ECS Project No.
49-1782, prepared on behalf of Longfellow Real Estate Ventures, LLC as of April 18, 2016  (“ECS Phase I”) Landlord further warrants and
represents  that,  to  Landlord’s  knowledge,  on  or  after  the  effective  date  of  the  ECS  Phase  I  report,  Landlord  has  not  received  a  summons,
citation, directive, letter or other communication, written or oral, from any state agency or the U.S. Government concerning the Project or any
intentional or unintentional action on Landlord or any occupant’s part as a result of a Release of any Hazardous Materials.    

Compliance  with  Environmental  Laws.    Without  limiting  the  generality  of  Tenant’s  obligation  to
comply with Applicable Laws as otherwise provided in this Lease, Tenant shall, at its sole cost and expense, comply with all Environmental Laws.  Tenant
shall obtain and maintain any and all necessary permits, licenses, certifications and approvals appropriate or required for the use, handling, storage, and
disposal of any

5.4.1.6

 
 
Hazardous Materials used, stored, generated, transported, handled, blended, or recycled by Tenant on the Premises.  Landlord shall have a continuing right,
without  obligation,  to  require  Tenant  to  obtain,  and  to  review  and  inspect  any  and  all  such  permits,  licenses,  certifications  and  approvals,  together  with
copies of any and all Hazardous Materials management plans and programs, any and all Hazardous Materials risk management and pollution prevention
programs,  and  any  and  all  Hazardous  Materials  emergency  response  and  employee  training  programs  respecting  Tenant’s  use  of  Hazardous
Materials.    Upon  request  of  Landlord,  Tenant  shall  deliver  to  Landlord  a  narrative  description  explaining  the  nature  and  scope  of  Tenant’s  activities
involving Hazardous Materials and showing to Landlord’s satisfaction compliance with all Environmental Laws and the terms of this Lease.

5.4.2

Assurance of Performance.

5.4.2.1

Environmental Assessments In General.    Landlord  may,  but  shall  not  be  required  to,  engage  from
time to time such contractors as Landlord determines to be appropriate (and with reasonable advance notice to Tenant, not less than 5 business days) to
perform “Environmental Assessments,” as that term is defined below, to ensure Tenant’s compliance with the requirements of this Lease with respect to
Hazardous Materials.  For purposes of this Lease, “Environmental Assessment” means an assessment including, without limitation:  (i) an environmental
site assessment conducted in accordance with the then-current standards of the American Society for Testing and Materials and meeting the requirements
for satisfying the “all appropriate inquiries” requirements; and (ii) sampling and testing of the Premises based upon potential recognized environmental
conditions or areas of concern or inquiry identified by the environmental site assessment.

Costs  of  Environmental  Assessments.   All  costs  and  expenses  incurred  by  Landlord  in  connection
with any such Environmental Assessment initially shall be paid by Landlord; provided that if any such Environmental Assessment shows that Tenant has
failed  to  comply  with  the  provisions  of  this  Section 5.4,  then  all  of  the  costs  and  expenses  of  such  Environmental  Assessment  shall  be  reimbursed  by
Tenant as Additional Rent within thirty (30) days after receipt of written demand therefor (and reasonable documentation of Tenant’s material breach of its
environmental obligations).

5.4.2.2

5.4.3

Tenant’s  Obligations  upon  Surrender.    At  the  expiration  or  earlier  termination  of  the  Lease  Term,  Tenant,  at
Tenant’s sole cost and expense, shall:  (i) cause an Environmental Assessment of the Premises to be conducted in accordance with Section 15.3; (ii) cause
all  Hazardous  Materials  to  be  removed  from  the  Premises  and  disposed  of  in  accordance  with  all  Environmental  Laws  and  as  necessary  to  allow  the
Premises to be used for any purpose; and (iii) cause to be removed all containers installed or used by Tenant or Tenant’s Agents to store any Hazardous
Materials on the Premises, and cause to be repaired any damage to the Premises caused by such removal.

5.4.4

Clean-up.

5.4.4.1

Environmental Reports; Clean-Up.  If any written report, including any report containing results of
any Environmental Assessment (an “Environmental Report”) shall indicate (i) the presence of any Hazardous Materials as to which Tenant has a removal
or remediation obligation under this Section 5.4, and (ii) that as a result of same, the investigation, characterization, monitoring, assessment, repair, closure,
remediation, removal, or other clean-up (the “Clean-up”) of any Hazardous Materials is required, Tenant shall promptly prepare and submit to Landlord
within thirty (30) days after receipt of the Environmental Report a comprehensive plan, subject to Landlord’s written approval, specifying the actions to be
taken by Tenant to perform the Clean-up so that the Premises are restored to the conditions required by this Lease.  Upon Landlord’s approval of the Clean-
up  plan,  Tenant  shall,  at  Tenant’s  sole  cost  and  expense,  without  limitation  on  any  rights  and  remedies  of  Landlord  under  this  Lease,  immediately
implement such plan with a consultant reasonably acceptable to Landlord and proceed to Clean-Up Hazardous Materials in accordance with all Applicable
Laws and as required by such plan and this Lease.  If, within thirty (30) days after receiving a copy of such Environmental Report, Tenant fails either (a) to
complete  such  Clean-up,  or  (b)  with  respect  to  any  Clean-up  that  cannot  be  completed  within  such  thirty-day  period,  fails  to  proceed  with  diligence  to
prepare the Clean-up plan and complete the Clean-up as promptly as practicable, then Landlord shall have the right, but not the obligation, and without
waiving any other rights under this Lease, to carry out any Clean-up recommended by the Environmental Report or required by any governmental authority
having jurisdiction over the Premises, and recover all of the costs and expenses thereof from Tenant as Additional Rent, payable within ten (10) business
days after receipt of written demand therefor.

 
 
No Rent Abatement.  Tenant shall continue to pay all Rent due or accruing under this Lease during
any Clean-up, and shall not be entitled to any reduction, offset or deferral of any Base Rent or Additional Rent due or accruing under this Lease during any
such Clean-up.  

5.4.4.2

5.4.4.3

Surrender of Premises.  Tenant shall complete any Clean-up prior to surrender of the Premises upon
the expiration or earlier termination of this Lease, and shall fully comply with all Environmental Laws and requirements of any governmental authority
with  respect  to  such  completion,  including,  without  limitation,  fully  comply  with  any  requirement  to  file  a  risk  assessment,  mitigation  plan  or  other
information with any such governmental authority in conjunction with the Clean-up prior to such surrender.  Tenant shall obtain and deliver to Landlord a
letter or other written determination from the overseeing governmental authority confirming that the Clean-up has been completed in accordance with all
requirements of such governmental authority and that no further response action is required for the unrestricted use of the Premises from an Environmental
Law standpoint (“Closure Letter”).  Upon the expiration or earlier termination of this Lease, Tenant shall also be obligated to close all permits obtained in
connection with Hazardous Materials in accordance with applicable laws.

Failure to Timely Clean-Up.  Should any Clean-up for which Tenant is responsible not be completed,
or should Tenant not receive the Closure Letter and any governmental approvals required under Environmental Laws in conjunction with such Clean-up
prior  to  the  expiration  or  earlier  termination  of  this  Lease,  and  Tenant’s  failure  to  receive  the  Closure  Letter  is  prohibiting  Landlord  from  leasing  the
Premises or any part thereof to a third party, or prevents the occupancy or use of the Premises or any part thereof by a third party, then Tenant shall be liable
to Landlord as a holdover tenant (as more particularly provided in Article 16) until Tenant has fully complied with its obligations under this Section 5.4.

5.4.4.4

5.4.5

Confidentiality.  Unless compelled to do so by Applicable Law, Tenant agrees that Tenant shall not disclose, discuss,
disseminate or copy any information, data, findings, communications, conclusions and reports regarding the environmental condition of the Premises to any
Person  (other  than  Tenant’s  consultants,  attorneys,  property  managers  and  employees  that  have  a  need  to  know  such  information),  including  any
governmental  authority,  without  the  prior  written  consent  of  Landlord,  not  to  be  unreasonably  withheld,  conditioned,  or  delayed.    In  the  event  Tenant
reasonably believes that disclosure is compelled by Applicable Law, it shall provide Landlord ten (10) days’ advance notice of disclosure of confidential
information  so  that  Landlord  may  attempt  to  obtain  a  protective  order.    Tenant  may  additionally  release  such  information  to  bona  fide  prospective
purchasers or lenders, subject to any such parties’ written agreement to be bound by the terms of this Section 5.4.

5.4.6

Copies of Environmental Reports.  Within thirty (30) days of receipt thereof, Tenant shall provide Landlord with a
copy  of  any  and  all  environmental  assessments,  audits,  studies  and  reports  regarding  Tenant’s  activities  with  respect  to  the  Premises,  or  ground  water
beneath the Land, or the environmental condition or Clean-up thereof.  Tenant shall be obligated to provide Landlord with a copy of such materials without
regard to whether such materials are generated by Tenant or prepared for Tenant, or how Tenant comes into possession of such materials.

5.4.7

Intentionally Omitted.  

Signs,  Response  Plans,  Etc.    Tenant  shall  be  responsible  for  posting  on  the  Premises  any  signs  required  under
applicable Environmental Laws.  Tenant shall also complete and file any business response plans or inventories required by any Applicable Laws.  Tenant
shall concurrently file a copy of any such business response plan or inventory with Landlord.

5.4.8

Survival.  Each covenant, agreement, representation, warranty and indemnification made by Tenant set forth in this
Section 5.4 shall survive the expiration or earlier termination of this Lease and shall remain effective until all of Tenant’s obligations under this Section 5.4
have been completely performed and satisfied.

5.4.9

6.

SERVICES AND UTILITIES

6.1

Landlord Provided Services.  Landlord shall provide the following services on all days (unless otherwise stated below) during the

Lease Term.

 
 
6.1.1

Subject  to  limitations  imposed  by  all  governmental  rules,  regulations  and  guidelines  applicable  thereto,  Landlord
shall provide adequate electrical wiring and facilities for connection to Tenant’s lighting fixtures and incidental use equipment, provided that the connected
electrical load of the incidental use equipment and the connected electrical load of Tenant’s lighting fixtures does not exceed Tenant’s Share of the system
capacity (as reasonably documented by Landlord).  Tenant shall bear the cost of replacement of lamps, starters and ballasts for lighting fixtures within the
Premises.

6.1.2
Building Common Areas and service to the Premises.

Landlord shall provide city water from the regular Building outlets for drinking, lavatory and toilet purposes in the

ordinary office waste (and not for Hazardous Materials).

6.1.3

Landlord  shall  provide  a  dumpster  and/or  trash  compactor  at  the  Building  for  use  by  Tenant  and  other  tenants  for

6.1.4

6.1.5

6.1.6

Landlord shall provide landscaping, snow and ice removal in the Common Areas.

Landlord shall provide access to the rooftop as stated in Section 7.2.  

Landlord shall provide Building standard heating, ventilation (including exhaust) and air conditioning (“HVAC”).

6.2

Tenant Provided Services and Utilities.  Except as otherwise expressly set forth in Section 6.1, above, Tenant will be responsible,
at  its  sole  cost  and  expense,  for  the  furnishing  of  all  services  and  utilities  to  the  Premises  including  internet,  telephone,  janitorial  and  interior  Building
security services.

6.2.1

Landlord shall not provide janitorial or trash services for the Premises except as expressly provided in Section 6.1.3,
above.    Tenant  shall  be  solely  responsible  for  performing  all  janitorial  and  trash  services  and  other  cleaning  of  the  Premises,  all  in  compliance  with
Applicable Laws.  In the event such service is provided by a third party janitorial service, and not by employees of Tenant, such service shall be a janitorial
service  approved  in  advance  by  Landlord,  (Landlord  shall  provide  Tenant  with  a  list  of  approved  vendors  upon  Tenant’s  request).    The  janitorial  and
cleaning of the Premises shall be adequate to maintain the Premises in a manner consistent with Comparable Buildings.  

6.2.2

Subject  to  Applicable  Laws  and  the  other  provisions  of  this  Lease  (including,  without  limitation,  the  Rules  and
Regulations, and except in the event of an emergency), Tenant shall have access to the Building, the Premises and the Common Areas of the Building, other
than Common Areas requiring access with a Building engineer, twenty-four (24) hours per day, seven (7) days per week, every day of the year; provided,
however, that Tenant shall only be permitted to have access to and use of the limited-access areas of the Building during the normal operating hours of such
portions of the Building.  

Tenant  shall  reasonably  cooperate  with  Landlord  at  all  times  and  abide  by  all  regulations  and  requirements  that  Landlord  may  reasonably

prescribe for the proper functioning and protection of the HVAC, electrical, mechanical and plumbing systems.

6.2.3

Tenant  shall  pay  for  all  water,  gas,  heat,  light,  power,  telephone,  internet  service,  cable  television,  other
telecommunications and other utilities supplied to the Premises, together with any fees, surcharges and taxes thereon, whether part of Operating Expenses
or  as  provided  under  this  Article  6.    Tenant  shall  pay  all  costs  and  expenses  for  any  separately  metered  utilities  provided  exclusively  to  the  Premises
directly to the applicable service provider.  Tenant shall pay all actual out-of-pocket costs and expenses, without mark-up, for utility charges that are based
on a check- or sub-metering metering installation based on Landlord’s reading of such meters and directly to Landlord, including without limitation for
utility charges for power, gas and water serving the HVAC system of the Building (which are measured by the control management system of the Building
based on air volume provided to each tenant space).  Additional Rent for such utilities may be reasonably estimated monthly by Landlord, based on actual
readings of sub- and “check” meters where applicable, and shall be paid monthly by Tenant within thirty (30) days after being billed with a final accounting
based upon actual bills received from the utility providers following the conclusion of each fiscal year of the Building.

 
 
6.3

Metering.  If necessary, Landlord may install devices to separately meter any utility use (or use other reasonable industry standard
methods to reasonably estimate such use) and in such event Tenant shall pay the cost directly to Landlord, within thirty (30) days after Tenant’s receipt of
an invoice therefor, at the rates charged by the public utility company furnishing the same, including the cost of installing, testing and maintaining of such
metering  devices.    Tenant’s  use  of  electricity  and  any  other  utility  shall  never  exceed  the  capacity  of  the  feeders  to  the  Project  or  the  risers  or  wiring
installation or Tenant’s Share of the per floor limits as reasonably determined and documented by Landlord.  

6.4

Interruption  of  Use.   Tenant  agrees  that,  to  the  extent  permitted  pursuant  to  Applicable  Laws,  Landlord  shall  not  be  liable  for
damages, by abatement of Rent or otherwise, for failure to furnish or delay in furnishing any service (including telephone and telecommunication services),
or for any diminution in the quality or quantity thereof, when such failure or delay or diminution is occasioned, in whole or in part, by breakage, repairs,
replacements, or improvements, by any strike, lockout or other labor trouble, by inability to secure electricity, gas, water, or other fuel at the Building or
Project after reasonable effort to do so, by any riot or other dangerous condition, emergency, accident or casualty whatsoever, by act or default of Tenant or
other parties, or by any other cause not under Landlord’s reasonable control; and such failures or delays or diminution shall never be deemed to constitute
an eviction or disturbance of Tenant’s use and possession of the Premises or relieve Tenant from paying Rent or performing any of its obligations under this
Lease.  Furthermore, Landlord shall not be liable under any circumstances for a loss of, or injury to, property or for injury to, or interference with, Tenant’s
business,  including,  without  limitation,  loss  of  profits,  however  occurring,  through  or  in  connection  with  or  incidental  to  a  failure  to  furnish  any  of  the
services or utilities as set forth in this Article 6.

Notwithstanding the foregoing to the contrary, in the event that there shall be an interruption, curtailment or suspension of any service required
to  be  provided  by  Landlord  pursuant  to  Section  6.1  (and  no  reasonably  equivalent  alternative  service  or  supply  is  provided  by  Landlord)  that  shall
materially  interfere  with  Tenant’s  use  and  enjoyment  of  a  material  portion  of  the  Premises,  and  Tenant  actually  ceases  to  use  affected  portion  of  the
Premises (any such event, a “Service Interruption”), and if (i) such Service Interruption shall continue for seventy-two (72) consecutive hours following
receipt by Landlord of written notice from Tenant describing such Service Interruption (the “Service Interruption Notice”), (ii) such Service Interruption
shall not have been caused, in whole or in part, by reasons beyond Landlord’s reasonable control or by an act or omission in violation of this Lease by
Tenant or by any negligence of Tenant, or Tenant’s agents, employees, contractors or invitees, and (iii) either (A) Landlord does not diligently commence
and pursue to completion the remedy of such Service Interruption or (B) Landlord receives proceeds from its rental interruption insurance that covers such
Service Interruption (a Service Interruption that satisfies the foregoing conditions being referred to hereinafter as a “Material Service Interruption”) then,
as liquidated damages and Tenant’s sole remedy at law or equity, Tenant shall be entitled to an equitable abatement of Base Rent and Tenant’s Share of
Direct  Expenses,  based  on  the  nature  and  duration  of  the  Material  Service  Interruption,  the  area  of  the  Premises  affected,  and  the  then  current  Rent
amounts, for the period that shall begin on the commencement of such Material Service Interruption and that shall end on the day such Material Service
Interruption shall cease.  To the extent a Material Service Interruption is caused by an event covered by Articles 11 or 13 of this Lease, then Tenant’s right
to abate rent shall be governed by the terms of such Article 11 or 13, as applicable, and the provisions of this paragraph shall not apply

6.5

Responsibility Matrix. The matrix attached hereto as Exhibit H and incorporated by reference provides the maintenance, repair,
services, and utilities responsibilities for Landlord and Tenant at the Premises and Building (“Responsibility Matrix”).  Landlord reserves the right at any
time to make reasonable changes to the Responsibility Matrix based on current conditions at the Building as in Landlord’s reasonable judgment may from
time to time be necessary for the management, safety, care and cleanliness of the Premises and Building.  The parties shall perform the obligations as noted
in the Responsibility Matrix and to the extent of any discrepancies between this Article 6 and the Responsibility Matrix the details in the Responsibility
Matrix shall control.

7.

REPAIRS

7.1

Tenant Repairs.    Tenant  shall,  at  Tenant’s  own  expense,  keep  the  Premises,  including  all  improvements,  fixtures,  furnishings,
supplemental/non-Building  heating,  ventilation  (including  exhaust)  and  air  conditioning  (which  Tenant  installs  as  part  of  the  Tenant  Improvements)
(“Supplemental  HVAC”),  and  systems  and  equipment  therein  (including,  without  limitation,  plumbing  fixtures  and  equipment  such  as  dishwashers,
garbage

 
 
disposals,  and  insta‑hot  dispensers),  and  the  floor  of  the  Building  on  which  the  Premises  are  located,  in  good  order,  repair  and  condition  as  received
(ordinary wear and tear and casualty damage excepted) at all times during the Lease Term.  In addition, Tenant shall, at Tenant’s own expense, but under
the supervision and subject to the prior reasonable approval of Landlord, and within any reasonable period of time specified by Landlord, promptly and
adequately repair all damage to the Premises and replace or repair all damaged, broken, or worn fixtures and appurtenances, except for damage caused by
ordinary wear and tear or beyond the reasonable control of Tenant; provided however, that, at Landlord’s option, or if Tenant fails to make such repairs
(after  notice  from  Landlord  a  reasonable  opportunity  to  do  so),  Landlord  may,  but  need  not,  make  such  repairs  and  replacements,  and  Tenant  shall  pay
Landlord the cost thereof, including a percentage of the cost thereof (to be uniformly established for the Building and/or the Project) sufficient to reimburse
Landlord for all overhead, general conditions, fees and other costs or expenses arising from Landlord’s involvement with such repairs and replacements
forthwith upon being billed for same.  Without limitation, Tenant shall be responsible for the Supplemental HVAC and Tenant shall secure, pay for, and
keep in force contracts with appropriate and reputable service companies reasonably approved by Landlord providing for the regular maintenance of such
systems.

7.2

Riser Room and Rooftop Rights.  Landlord grants Tenant the right, subject to the terms and conditions of this Lease, to access the
riser room and the roof of the Building in order to maintain, repair and replace the Supplemental HVAC equipment and any other mechanical equipment
located in the riser room or on the roof for which Tenant is responsible to repair, maintain and replace.  Tenant may not install additional locks on any
access doors or any equipment in such areas.  In the event the Tenant desires to move any rooftop equipment or install any new rooftop equipment the exact
location and layout of such items must be approved in advance in writing by Landlord, such approval not to be unreasonably withheld, conditioned, or
delayed.  Tenant’s access to the riser room for the purposes of exercising its rights and obligations under this Section 7.2 shall be limited to Building Hours
by prior appointment with the property manager, except in the case of emergencies.  In the event of an emergency Tenant shall utilize Landlord’s after-
hours  contact  information.    Tenant  shall  be  provided  access  to  the  rooftop  at  all  times  except  during  an  emergency  through  card  access  with  Tenant’s
personnel who are approved in advance by Landlord.  Tenant shall engage Landlord’s roofer before beginning any rooftop installations or repairs which
affect  the  roof  whether  under  this  Section 7.2  or  otherwise,  and  shall  always  comply  with  the  roof  warranty  governing  the  protection  of  the  roof  and
modifications to the roof.  Tenant shall obtain a letter from Landlord’s roofer following completion of such work stating that the roof warranty remains in
effect.  Tenant agrees that Tenant’s access to the riser room or roof and any work on the roof shall be at Tenant’s sole risk.  Tenant shall indemnify, defend
and hold Landlord harmless against any liability, claim or cost, including reasonable attorneys’ fees, incurred in connection with the loss of life, personal
injury, damage to property or business or any other loss or injury (except to the extent due to the grossly negligent act or willful misconduct of Landlord or
its employees, agents or contractors) arising out of the access to the riser room or rooftop or any work on the rooftop by Tenant or its employees, agents, or
contractors,  including  any  liability  arising  out  of  Tenant’s  violation  of  this  Section 7.2.   Tenant  shall  specifically  be  responsible  for  Landlord’s  costs  to
repair any damage or remedy any infraction caused by Tenant or Tenant’s vendor in the riser room or on the roof of the Building.  Landlord shall not be
responsible for any damage or harm that result from Tenant’s inability or delay to access the riser room or rooftop and Tenant hereby waives any claims
against Landlord arising from such delays in access.  The provisions of this paragraph shall survive the expiration or earlier termination of this Lease.  

7.3

Landlord  Repairs.  Notwithstanding  the  foregoing,  Landlord  shall  be  responsible  for  repairs  to  the  exterior  walls,  windows,
foundation and roof (including roof membrane) of the Building, the structural portions of the floors of the Building, and the base building systems and
equipment of the Building and Common Areas (to the extent not serving Tenant exclusively (but Landlord acknowledges and agrees that the air handler
currently  serving  the  Premises  constitutes  part  of  the  base  Building)),  except  to  the  extent  that  such  repairs  are  required  due  to  the  gross  negligence  or
willful  misconduct  of  Tenant;  provided,  however,  that  if  such  repairs  are  due  to  the  gross  negligence  or  willful  misconduct  of  Tenant,  Landlord  shall
nevertheless  make  such  repairs  at  Tenant’s  expense,  or,  if  covered  by  Landlord’s  insurance,  Tenant  shall  only  be  obligated  to  pay  any  deductible  in
connection therewith.  Subject to the terms of Article 27, below, Landlord may, but shall not be required to, enter the Premises at all reasonable times and
upon reasonable prior notice to make such repairs, alterations, improvements or additions to the Premises or to the Project or to any equipment located in
the Project as Landlord shall reasonably desire or deem necessary or as Landlord may be required to do by governmental or quasi-governmental authority
or court order or decree.

 
 
8.

ADDITIONS AND ALTERATIONS

8.1

Landlord’s Consent to Alterations.  Tenant may not make any improvements, alterations, additions or changes to the Premises or
any  mechanical,  plumbing  or  HVAC  facilities  or  systems  pertaining  to  the  Premises  (collectively,  the  “Alterations”)  without  first  procuring  the  prior
written  consent  of  Landlord  to  such  Alterations,  which  consent  shall  be  requested  by  Tenant  not  less  than  ten  (10)  business  days  prior  to  the
commencement  thereof,  and  which  consent  shall  not  be  unreasonably  withheld,  conditioned  or  delayed  by  Landlord,  provided  it  shall  be  deemed
reasonable  for  Landlord  to  withhold  its  consent  to  any  Alteration  which  adversely  affects  the  structural  portions  or  the  systems  or  equipment  of  the
Building  or  is  visible  from  the  exterior  of  the  Building.    Notwithstanding  the  foregoing,  Tenant  shall  be  permitted  to  make  non-structural  Alterations
following ten (10) business days’ notice to Landlord, but without Landlord’s prior consent, to the extent that such Alterations (i) do not materially affect the
Building roof, systems or equipment, (ii) are not visible from the exterior of the Building, and (iii) cost less than fifty thousand and 00/100 ($50,000.00) per
year.  

8.2

Prior  to  commencing  any  Alterations  affecting  air  distribution  or  disbursement  from  ventilation  systems  serving  Tenant  or  the
Building,  including  without  limitation  the  installation  of  Tenant’s  exhaust  systems,  Tenant  shall  provide  Landlord  with  a  third  party  report  from  a
consultant, and in a form reasonably acceptable to Landlord, showing that such work will not materially and adversely affect the ventilation systems or air
quality of the Building (or of any other tenant in the Building) and shall, upon completion of such work, provide Landlord with a certification reasonably
satisfactory to Landlord from such consultant confirming that no such adverse effects have resulted from such work.

8.3

Manner of Construction.  Landlord may impose, as an express condition of its consent (at the time said consent is given) to any
and all Alterations (other than the Tenant Improvements) or repairs of the Premises or about the Premises, such requirements as Landlord in its reasonable
discretion  may  deem  desirable,  including,  but  not  limited  to,  the  requirement  that  Tenant  utilize  for  such  purposes  only  contractors,  subcontractors,
materials, mechanics and materialmen selected by Tenant and approved by Landlord (which approval shall not be unreasonably withheld, conditioned or
delayed), the requirement that upon Landlord’s request at the time Landlord approves said Alterations (subject to the terms of Section 8.5, below), Tenant
shall, at Tenant’s expense, remove such Alterations upon the expiration or any early termination of the Lease Term.  Tenant shall construct such Alterations
and perform such repairs in a good and workmanlike manner, in conformance with any and all applicable federal, state, county or municipal laws, rules and
regulations and pursuant to a valid building permit, issued by the city in which the Building is located (or other applicable governmental authority).  Tenant
shall  not  use  (and  upon  notice  from  Landlord  shall  cease  using)  contractors,  services,  workmen,  labor,  materials  or  equipment  that,  in  Landlord’s
reasonable  judgment,  would  disturb  labor  harmony  with  the  workforce  or  trades  engaged  in  performing  other  work,  labor  or  services  in  or  about  the
Building or the Common Areas.  Upon completion of any Alterations (or repairs), Tenant shall deliver to Landlord final lien waivers from all contractors,
subcontractors  and  materialmen  who  performed  such  work.    In  addition  to  Tenant’s  obligations  under  Article 9  of  this  Lease,  upon  completion  of  any
Alterations, Tenant shall deliver to the Project construction manager a reproducible copy of the “as built” drawings of the Alterations as well as all permits,
approvals and other documents issued by any governmental agency in connection with the Alterations.  Landlord shall make its construction rules and a
pre-approved vendor list available to Tenant upon request.

8.4

Payment for Improvements.  If Tenant orders any work directly from Landlord, Tenant shall pay to Landlord an amount equal to
four percent (4%) of the cost of such work to compensate Landlord for all overhead, general conditions, fees and other costs and expenses arising from
Landlord’s  involvement  with  such  work.    If  Tenant  does  not  order  any  work  directly  from  Landlord,  Tenant  shall  reimburse  Landlord  for  Landlord’s
reasonable,  actual,  out-of-pocket  costs  and  expenses  actually  incurred  in  connection  with  Landlord’s  review  of  such  work  including  a  construction
management fee in the amount of two and one-half percent (2.5%) of the total costs of such work, up to but not to exceed a total payment by Tenant to
Landlord of Forty Thousand and 00/100 Dollars ($40,000.000).  

8.5

Construction  Insurance.    In  addition  to  the  requirements  of  Article  10  of  this  Lease,  in  the  event  that  Tenant  makes  any
Alterations,  prior  to  the  commencement  of  such  Alterations,  Tenant  shall  provide  Landlord  with  evidence  that  Tenant  carries  “Builder’s  All  Risk”
insurance  (to  the  extent  that  the  cost  of  the  work  shall  exceed  $100,000.00)  in  an  amount  approved  by  Landlord  covering  the  construction  of  such
Alterations,  and  such  other  standard  and  reasonable  insurance  as  Landlord  may  reasonably  require,  it  being  understood  and  agreed  that  all  of  such
Alterations shall be insured by Tenant pursuant to Article 10 of this Lease immediately upon completion thereof.  In

 
 
addition, Tenant’s contractors and subcontractors shall be required to carry Commercial General Liability Insurance in an amount approved by Landlord
and  otherwise  in  accordance  with  the  requirements  of  Article 10  of  this  Lease  and  such  general  liability  insurance  shall  name  the  Landlord  Parties  as
additional  insureds.    In  addition,  Tenant’s  contractors  and  subcontractors  shall  be  required  to  carry  workers  compensation  insurance  with  a  waiver  of
subrogation in favor of Landlord Parties.

9.

COVENANT AGAINST LIENS

Tenant  shall  keep  the  Project  and  Premises  free  from  any  liens  or  encumbrances  arising  out  of  the  work  performed,  materials  or  services
furnished or obligations incurred by or on behalf of Tenant, and shall protect, defend, indemnify and hold Landlord harmless from and against any claims,
liabilities, judgments or costs (including, without limitation, reasonable attorneys’ fees and costs) arising out of same or in connection therewith.  Tenant
shall give Landlord notice at least twenty (20) days prior to the commencement of any work, services or obligations related to the Premises giving rise to
any such liens or encumbrances (or such additional time as may be necessary under Applicable Laws) to afford Landlord the opportunity of posting and
recording  appropriate  notices  of  non-responsibility  (to  the  extent  applicable  pursuant  to  then  Applicable  Laws).    Tenant  shall  remove  any  such  lien  or
encumbrance by statutory lien bond or otherwise within ten (10) business days after notice by Landlord, and if Tenant shall fail to do so, Landlord may pay
the amount necessary to remove such lien or encumbrance, without being responsible for investigating the validity thereof.  

10.

INSURANCE

10.1

Indemnification and Waiver.  Tenant hereby assumes all risk of damage to property or injury to persons in, upon or about the
Premises from any cause whatsoever (including, but not limited to, any personal injuries resulting from a slip and fall in, upon or about the Premises) and
agrees that Landlord, its lenders, partners, subpartners and their respective officers, agents, servants, employees, and independent contractors (collectively,
“Landlord Parties”) shall not be liable for, and are hereby released from any responsibility for, any damage either to person or property or resulting from
the loss of use thereof, which damage is sustained by Tenant or by other persons claiming through Tenant.  Tenant shall indemnify, defend, protect, and
hold  harmless  the  Landlord  Parties  from  any  and  all  loss,  cost,  damage,  injury,  expense  and  liability  (including  without  limitation  court  costs  and
reasonable attorneys’ fees) during the Lease Term, or any period of Tenant’s occupancy of the Premises prior to the commencement or after the expiration
of the Lease Term, incurred in connection with or arising from any cause in, on or about the Premises (including, but not limited to, a slip and fall), any
acts, omissions or negligence of Tenant or of any person claiming by, through or under Tenant, or of the contractors, agents, servants, employees, invitees,
guests or licensees of Tenant or any such person, in, on or about the Project or any breach of the terms of this Lease, either prior to, during, or after the
expiration  of  the  Lease  Term,  provided  that  the  terms  of  the  foregoing  indemnity  shall  not  apply  to  the  gross  negligence  or  willful  misconduct  of
Landlord.  Should Landlord be named as a defendant in any suit brought against Tenant in connection with or arising out of Tenant’s occupancy of the
Premises, Tenant shall pay to Landlord its reasonable costs and expenses incurred in such suit, including without limitation, its actual professional fees such
as reasonable appraisers’, accountants’ and attorneys’ fees.  The provisions of this Section 10.1 shall survive the expiration or sooner termination of this
Lease with respect to any claims or liability arising in connection with any event occurring prior to such expiration or termination.  

10.2

Tenant’s  Compliance  With  Landlord’s  Property  Insurance.    Tenant  shall,  at  Tenant’s  expense,  comply  with  all  reasonable
insurance company requirements pertaining to the use of the Premises.  If Tenant’s conduct or use of the Premises for any purpose other than customary,
general office use causes any increase in the premium for such insurance policies (as reasonably documented by Landlord) then Tenant shall reimburse
Landlord for any such increase. Tenant, at Tenant’s expense, shall comply with all rules, orders, regulations or requirements of the American Insurance
Association (formerly the National Board of Fire Underwriters) and with any similar body.

10.3

Tenant’s Insurance.  Tenant shall maintain the following coverages in the following amounts.

Commercial General Liability Insurance on an occurrence form covering the insured against claims of bodily injury,
personal and advertising injury and property damage (including loss of use thereof) arising out of Tenant’s operations, products/completed operations, and
contractual liability including a Broad Form endorsement covering the insuring provisions of this Lease and the performance by Tenant of the indemnity

10.3.1

 
 
agreements set forth in Section 10.1 of this Lease, and including, solely on a claims-made basis, products and completed operations coverage, for limits of
liability of not less than:

Bodily Injury and
Property Damage Liability

Personal and Advertising Injury Liability

$5,000,000 each occurrence
$5,000,000 annual aggregate

$5,000,000 each occurrence
$5,000,000 annual aggregate
0% Insured’s participation

10.3.2

Property  Insurance  covering  (i)  all  office  furniture,  business  and  trade  fixtures,  office  equipment,  free-standing
cabinet work, movable partitions, merchandise and all other items of Tenant’s property on the Premises installed by, for, or at the expense of Tenant, and
(ii)  any  other  improvements  which  exist  in  the  Premises  as  of  the  Lease  Commencement  Date  (excluding  the  Base  Building)  (the  “New
Improvements”).    Such  insurance  shall  be  written  on  an  “all risks”  of  physical  loss  or  damage  basis,  for  the  full  replacement  cost  value  (subject  to
reasonable  deductible  amounts)  new  without  deduction  for  depreciation  of  the  covered  items  and  in  amounts  that  meet  any  co-insurance  clauses  of  the
policies of insurance and shall include coverage for damage or other loss caused by fire or other peril including, but not limited to, vandalism and malicious
mischief, theft, water damage of any type, including sprinkler leakage, bursting or stoppage of pipes, and explosion.

Tenant for actual direct or indirect loss of earnings attributable to the risks outlined in Section 10.3.2 above.

10.3.3

Business  Income  Interruption  for  one  (1)  year  plus  Extra  Expense  insurance  in  such  amounts  as  will  reimburse

local statutes and regulations.  The policy will include a waiver of subrogation in favor of the Landlord Parties.

10.3.4

Worker’s  Compensation  and  Employer’s  Liability  or  other  similar  insurance  pursuant  to  all  applicable  state  and

10.4

Form of Policies.  The minimum limits of policies of insurance required of Tenant under this Lease shall in no event limit the
liability of Tenant under this Lease.  Such insurance shall (i) name Landlord, its subsidiaries and affiliates and any other party the Landlord so specifies, as
an additional insured, as applicable, including Landlord’s managing agent, if any; (ii) cover the liability assumed by Tenant under this Lease; (iii) be issued
by an insurance company having a rating of not less than A:VIII in Best’s Insurance Guide or which is otherwise acceptable to Landlord and licensed to do
business in the State of North Carolina; (iv) be primary insurance as to all claims thereunder and provide that any insurance carried by Landlord is excess
and is non-contributing with any insurance required of Tenant; (v) be in form and content reasonably acceptable to Landlord; and (vi) provide that said
insurer shall endeavor to provide written notice to Landlord and any mortgagee of Landlord,  to the extent such names are furnished to Tenant prior to the
cancellation of such policy.  Tenant shall deliver said policy or policies or certificates thereof to Landlord on or before the earlier to occur of (A) the Lease
Commencement Date, and (B) the date upon which Tenant is first provided access to the Premises, and at least ten (10) days before the expiration dates
thereof.  In the event Tenant shall fail to procure such insurance, or to deliver such policies or certificate within ten (10) days after written notice from
Landlord,  Landlord  may,  at  its  option  (upon  notice  to  Tenant),  procure  such  policies  for  the  account  of  Tenant,  and  the  cost  thereof  shall  be  paid  to
Landlord within five (5) days after delivery to Tenant of bills therefor.

10.5

Subrogation.  Landlord and Tenant intend that their respective property loss risks shall be borne by reasonable insurance carriers
to the extent above provided, and Landlord and Tenant hereby agree to look solely to, and seek recovery only from, their respective insurance carriers in the
event of a property loss to the extent that such coverage is agreed to be provided hereunder.  The parties each hereby waive all rights and claims against
each other for such losses, and waive all rights of subrogation of their respective insurers, provided such waiver of subrogation shall not affect the right to
the insured to recover thereunder.  The parties agree that their respective insurance policies are now, or shall specify that the waiver of subrogation shall not
affect the right of the insured to recover thereunder.

10.6

Additional  Insurance  Obligations.    Tenant  shall  carry  and  maintain  during  the  entire  Lease  Term,  at  Tenant’s  sole  cost  and

expense, increased amounts of insurance to the extent required by any lender or mortgagee on the Building.

 
 
10.7

Landlord Insurance Obligations.  Landlord shall keep in force during the term of this Lease at least the following coverage: (i)
commercial general liability insurance against any and all claims for bodily injury and property damage occurring in or about the Building or the Common
Areas  having  a  combined  single  limit  of  not  less  than  One  Million  Dollars  ($1,000,000)  per  occurrence  and  Two  Million  Dollars  ($2,000,000)  in  the
aggregate,  and  (ii)  property  insurance  for  fire,  casualty  and  special  causes  of  loss  in  such  amounts  and  coverages  as  Landlord  deems  appropriate  or  is
otherwise required of Landlord by its lender or Applicable Law, but in no event less than the lesser of (a) at least one hundred percent (100%) percent of
the replacement cost of the Building or (b) the maximum insurable value of the Building.

11.

DAMAGE AND DESTRUCTION

11.1

Repair of Damage to Premises by Landlord.  Tenant shall promptly notify Landlord of any damage to the Premises resulting
from  fire  or  any  other  casualty.    If  the  Premises  or  any  Common  Areas  serving  or  providing  access  to  the  Premises  shall  be  damaged  by  fire  or  other
casualty,  Landlord  shall  promptly  and  diligently,  subject  to  reasonable  delays  for  insurance  adjustment  or  other  matters  beyond  Landlord’s  reasonable
control, and subject to all other terms of this Article 11, restore such Common Areas and the Premises to substantially the same condition as existed prior to
the casualty, except for modifications required by zoning and building codes and other laws or by the holder of a mortgage on the Building or Project or
any other modifications to the Common Areas deemed desirable by Landlord, which are consistent with the character of the Project, provided that access to
the  or  the  use  of  Premises  shall  not  be  materially  impaired.    Upon  the  occurrence  of  any  damage  to  the  Premises,  upon  notice  (the  “Landlord  Repair
Notice”) to Tenant from Landlord, Tenant shall assign to Landlord (or to any party designated by Landlord) all insurance proceeds payable to Tenant under
Tenant’s insurance required under Section 10.3.2(ii) of this Lease and Landlord’s obligation to restore any Alterations or Tenant Improvements shall be
limited to the extent of such proceeds received by Landlord.  To the extent permitted pursuant to Applicable Laws, Landlord shall not be liable for any
inconvenience or annoyance to Tenant or its visitors, or injury to Tenant’s business resulting in any way from such damage or the repair thereof; provided
however, that if such fire or other casualty shall have damaged the Premises or Common Areas necessary to Tenant’s occupancy, and the Premises, or a
material portion of the Premises, are not occupied by Tenant as a result thereof, then during the time and to the extent the Premises are unfit for occupancy,
the Rent shall be abated in proportion to the ratio that the amount of rentable square feet of the Premises which is unfit for occupancy for the purposes
permitted under this Lease bears to the total rentable square feet of the Premises.  

11.2

Landlord’s Option to Repair.  Notwithstanding the terms of Section 11.1 of this Lease, Landlord may elect not to rebuild and/or
restore the Premises, Building and/or Project, and instead terminate this Lease, by notifying Tenant in writing of such termination within forty-five (45)
days after the date of discovery of the damage, such notice to include a termination date giving Tenant sixty (60) days to vacate the Premises, but Landlord
may so elect only if the Building or Project shall be damaged by fire or other casualty or cause, whether or not the Premises are affected, and one or more
of the following conditions is present: (i) in Landlord’s reasonable judgment, repairs cannot reasonably be completed within one hundred eighty (180) days
after the date of discovery of the damage (when such repairs are made without the payment of overtime or other premiums); (ii) the holder of any mortgage
on the Building or Project or ground lessor with respect to the Building or Project shall require that the insurance proceeds or any portion thereof be used to
retire the mortgage debt, or shall terminate the ground lease, as the case may be; (iii) at least Ten Thousand and 00/100 Dollars ($10,000.00) of damage is
not fully covered by Landlord’s insurance policies; (iv) intentionally omitted; (v) the damage occurs during the last twelve (12) months of the Lease Term;
or (vi) any owner of any other portion of the Project, other than Landlord, does not intend to repair the damage to such portion of the Project; provided,
however, that if Landlord does not elect to terminate this Lease pursuant to Landlord’s termination right as provided above, and the repairs cannot, in the
reasonable opinion of Landlord, be completed within one hundred eighty (180) days after the date of the damage, Tenant may elect, no earlier than thirty
(30)  days  after  the  date  of  the  damage  and  not  later  than  ninety  (90)  days  after  the  date  of  such  damage,  to  terminate  this  Lease  by  written  notice  to
Landlord effective as of the date specified in the notice, which date shall not be less than thirty (30) days nor more than sixty (60) days after the date such
notice is given by Tenant.  Notwithstanding the provisions of this Section 11.2, Tenant shall have the right to terminate this Lease under this Section 11.2
only  if  each  of  the  following  conditions  is  satisfied:    (a)  the  damage  to  the  Project  by  fire  or  other  casualty  was  not  caused  by  the  gross  negligence  or
intentional act of Tenant or its partners or subpartners and their respective officers, agents, servants, employees, and independent contractors; and (b) as a
result of the damage, Tenant cannot reasonably conduct business

 
 
from the Premises.  In addition, Tenant may terminate this Lease if the damage to the Premises occurs during the last twelve (12) months of the Lease Term
and such repair will take more than 10% of the remaining Term to repair.

12.

NONWAIVER

No provision of this Lease shall be deemed waived by either party hereto unless expressly waived in a writing signed thereby.  The waiver by
either party hereto of any breach of any term, covenant or condition herein contained shall not be deemed to be a waiver of any subsequent breach of same
or any other term, covenant or condition herein contained.  The subsequent acceptance of Rent hereunder by Landlord shall not be deemed to be a waiver
of any preceding breach by Tenant of any term, covenant or condition of this Lease, other than the failure of Tenant to pay the particular Rent so accepted,
regardless  of  Landlord’s  knowledge  of  such  preceding  breach  at  the  time  of  acceptance  of  such  Rent.    No  acceptance  of  a  lesser  amount  than  the  Rent
herein  stipulated  shall  be  deemed  a  waiver  of  Landlord’s  right  to  receive  the  full  amount  due,  nor  shall  any  endorsement  or  statement  on  any  check  or
payment  or  any  letter  accompanying  such  check  or  payment  be  deemed  an  accord  and  satisfaction,  and  Landlord  may  accept  such  check  or  payment
without prejudice to Landlord’s right to recover the full amount due.  No receipt of monies by Landlord from Tenant after the termination of this Lease
shall in any way alter the length of the Lease Term or of Tenant’s right of possession hereunder, or after the giving of any notice shall reinstate, continue or
extend  the  Lease  Term  or  affect  any  notice  given  Tenant  prior  to  the  receipt  of  such  monies,  it  being  agreed  that  after  the  service  of  notice  or  the
commencement of a suit, or after final judgment for possession of the Premises, Landlord may receive and collect any Rent due, and the payment of said
Rent shall not waive or affect said notice, suit or judgment.

13.

CONDEMNATION

If  the  whole  or  any  part  of  the  Premises,  Building  or  Project  shall  be  taken  by  power  of  eminent  domain  or  condemned  by  any  competent
authority for any public or quasi-public use or purpose, or if any adjacent property or street shall be so taken or condemned, or reconfigured or vacated by
such authority in such manner as to require the use, reconstruction or remodeling of any part of the Premises, Building or Project, or if Landlord shall grant
a deed or other instrument in lieu of such taking by eminent domain or condemnation, Landlord shall have the option to terminate this Lease effective as of
the date possession is required to be surrendered to the authority.  Tenant shall not because of such taking assert any claim against Landlord or the authority
for any compensation because of such taking and Landlord shall be entitled to the entire award or payment in connection therewith, except that Tenant shall
have the right to file any separate claim available to Tenant for any taking of Tenant’s personal property and fixtures belonging to Tenant and removable by
Tenant upon expiration of the Lease Term pursuant to the terms of this Lease, and for moving expenses, so long as such claims do not diminish the award
available to Landlord, its ground lessor with respect to the Building or Project or its mortgagee, and such claim is payable separately to Tenant.  All Rent
shall be apportioned as of the date of such termination.  If any part of the Premises shall be taken, and this Lease shall  not be so terminated, the Rent shall
be proportionately abated.  Notwithstanding anything to the contrary contained in this Article 13, in the event of a temporary taking of all or any portion of
the  Premises  for  a  period  of  one  hundred  and  eighty  (180)  days  or  less,  and  provided  that  such  temporary  taking  does  not  materially  preclude  or
unreasonably diminish Tenant’s ability to conduct business from the Premises, then this Lease shall not terminate but the Base Rent and the Additional
Rent shall be abated for the period of such taking in proportion to the ratio that the amount of rentable square feet of the Premises taken bears to the total
rentable square feet of the Premises.  Landlord shall be entitled to receive the entire award made in connection with any such temporary taking, provided,
however, that Tenant shall be entitled to a share of the award for any loss of fixtures and improvements and for moving and other reasonable expenses that
do not otherwise reduce Landlord’s recovery.  

14.

ASSIGNMENT AND SUBLETTING

14.1

Transfers.  Tenant shall not, without the prior written consent of Landlord, assign, mortgage, pledge, hypothecate, encumber, or
permit any lien to attach to, or otherwise transfer, this Lease or any interest hereunder, permit any assignment, or other transfer of this Lease or any interest
hereunder  by  operation  of  law,  sublet  the  Premises  or  any  part  thereof,  or  enter  into  any  license  or  concession  agreements  or  otherwise  permit  the
occupancy  or  use  of  the  Premises  or  any  part  thereof  by  any  persons  other  than  Tenant  and  its  employees  and  contractors  (all  of  the  foregoing  are
hereinafter sometimes referred to collectively as “Transfers” and any person to whom any Transfer is made or sought to be made is hereinafter sometimes
referred to as a “Transferee”).  If Tenant desires Landlord’s consent to any Transfer, Tenant shall notify Landlord in writing, which notice (the “Transfer
Notice”) shall include (i) the proposed effective date of the Transfer, which shall not be less than twenty (20) days nor more than one hundred eighty (180)
days after the date of delivery of the Transfer Notice, (ii) a description of the portion of the Premises to be transferred (the “Subject Space”), (iii) all of the
terms of the proposed Transfer and the consideration therefor, including calculation of the “Transfer Premium”, as that term is defined in Section  14.3
below,  in  connection  with  such  Transfer,  the  name  and  address  of  the  proposed  Transferee,  and  a  copy  of  all  existing  executed  and/or  proposed
documentation pertaining to the proposed Transfer, and (iv) current financial statements of the proposed Transferee certified by an officer, partner or owner
thereof, business credit and personal references and history of the proposed Transferee and any other information reasonably required by Landlord which
will enable Landlord to determine the financial responsibility, character, and reputation of the proposed Transferee, nature of such Transferee’s business
and proposed use of the Subject Space.  Any Transfer made without Landlord’s prior written consent shall, at Landlord’s option, be null, void and of no
effect, and shall, at Landlord’s option, constitute a default by Tenant under this Lease.  Whether or not Landlord consents to any proposed Transfer, Tenant
shall pay Landlord’s reasonable review and processing fees(not to exceed $1,500.00 for Landlord’s internal costs) plus any reasonable professional fees
(including,  without  limitation,  attorneys’,  accountants’,  architects’,  engineers’  and  consultants’  fees)  incurred  by  Landlord,  within  thirty  (30)  days  after
written request by Landlord.

 
 
14.2

Landlord’s Consent.  Landlord shall not unreasonably withhold, condition or delay its consent to any proposed Transfer of the
Subject Space to the Transferee on the terms specified in the Transfer Notice.  Without limitation as to other reasonable grounds for withholding consent,
the parties hereby agree that it shall be reasonable under this Lease and under any applicable law for Landlord to withhold consent to any proposed Transfer
where one or more of the following apply:

14.2.1

The Transferee is of a character or reputation or engaged in a business which is not consistent with the quality of the

Building or the Project;

14.2.2

14.2.3

The Transferee is either a governmental agency or instrumentality thereof;

The Transferee is not a party of reasonable financial worth and/or financial stability in light of the responsibilities to

be undertaken in connection with the Transfer on the date consent is requested;

of the Project a right to cancel its lease; or

14.2.4

The proposed Transfer would cause a violation of another lease for space in the Project, or would give an occupant

14.2.5

Either the proposed Transferee, or any person or entity which directly or indirectly, controls, is controlled by, or is
under  common  control  with,  the  proposed  Transferee,  is  actively  negotiating  with  Landlord  or  has  negotiated  with  Landlord  during  the  four  (4)  month
period immediately preceding the date Landlord receives the Transfer Notice, to lease space in the Project (and Landlord has suitable space available in the
Project to meet Transferee’s needs).

14.2.6

In Landlord’s reasonable determination, the sub-rent, additional rent or other amounts received or accrued by Tenant
from subleasing, assigning or otherwise Transferring all or any portion of the Premises is based on the income or profits of any person, or the assignment of
sublease could cause any portion of the amounts received by Landlord pursuant to this Lease to fail to qualify as “rents from real property” within the
meaning of section 856(d) of the Internal Revenue Code of 1986, as amended (the “Code”), or any similar or successor provision thereto or which would
cause any other income of Landlord to fail to qualify as income described in section 856(c)(2) of the Code.

If Landlord consents to any Transfer pursuant to the terms of this Section 14.2 (and does not exercise any recapture rights Landlord may have
under Section 14.4 of this Lease), Tenant may within six (6) months after Landlord’s consent, but not later than the expiration of said six-month period,
enter  into  such  Transfer  of  the  Premises  or  portion  thereof,  upon  substantially  the  same  terms  and  conditions  as  are  set  forth  in  the  Transfer  Notice
furnished by Tenant to Landlord pursuant to Section 14.1 of this Lease, provided that if there are any material changes in the terms and conditions from
those specified in the Transfer Notice such that Landlord would initially have been entitled to refuse its consent to such Transfer under this Section 14.2,
Tenant shall again submit the Transfer to Landlord for its approval and other action under this Article 14 (including Landlord’s right of recapture, if any,
under Section 14.4 of this Lease).  Notwithstanding anything to the contrary in this Lease, if Tenant or any proposed Transferee claims

 
 
that Landlord has unreasonably withheld or delayed its consent under Section 14.2 or otherwise has breached or acted unreasonably under this Article 14,
their  sole  remedies  shall  be  a  suit  for  contract  damages  (other  than  damages  for  injury  to,  or  interference  with,  Tenant’s  business  including,  without
limitation, loss of profits, however occurring) or declaratory judgment and an injunction for the relief sought, and Tenant hereby waives all other remedies,
including, without limitation, any right at law or equity to terminate this Lease, on its own behalf and, to the extent permitted under all Applicable Laws, on
behalf of the proposed Transferee.

14.3

Transfer Premium.    If  Landlord  consents  to  a  Transfer,  as  a  condition  thereto  which  the  parties  hereby  agree  is  reasonable,
Tenant shall pay to Landlord fifty percent (50%) of any “Transfer Premium,” as that term is defined in this Section 14.3, received by Tenant from such
Transferee  (other  than  any  Permitted  Transferee).    “Transfer  Premium”  shall  mean  all  rent,  additional  rent  or  other  consideration  payable  by  such
Transferee in connection with the Transfer in excess of the Rent and Additional Rent payable by Tenant under this Lease during the term of the Transfer on
a per rentable square foot basis if less than all of the Premises is transferred, after deducting the reasonable third party expenses incurred by Tenant for
(i) any design and construction costs incurred on account of changes, alterations and improvements to the Premises in connection with the Transfer, (ii) any
free base rent and tenant improvement allowances reasonably provided to the Transferee in connection with the Transfer (provided that such free rent and
tenant  improvement  allowances  shall  be  deducted  only  to  the  extent  the  same  is  included  in  the  calculation  of  total  consideration  payable  by  such
Transferee), (iii) any brokerage commissions in connection with the Transfer, (iv) legal fees and disbursements reasonably incurred in connection with the
Transfer, and (v) any unamortized Excess Costs, as defined in Exhibit D (as determined on a straight line basis over the initial term of this Lease, without
interest) paid by Tenant for the Tenant Improvements (collectively, “Tenant’s Subleasing Costs”).  “Transfer Premium” shall also include, but not be
limited to, key money, bonus money or other cash consideration paid by Transferee to Tenant in connection with such Transfer, and any payment in excess
of  fair  market  value  for  services  rendered  by  Tenant  to  Transferee  or  for  assets,  fixtures,  inventory,  equipment,  or  furniture  transferred  by  Tenant  to
Transferee in connection with such Transfer.  The determination of the amount of Landlord’s applicable share of the Transfer Premium shall be made on a
monthly basis as rent or other consideration is received by Tenant under the Transfer.

14.4

Landlord’s  Option  as  to  Subject  Space.    Notwithstanding  anything  to  the  contrary  contained  in  this  Article 14,  in  the  event
Tenant contemplates a Transfer which, together with all prior Transfers then remaining in effect, would cause seventy-five percent (75%) or more of the
Premises  to  be  Transferred  for  more  than  fifty  percent  (50%)  of  the  then  remaining  Lease  Term  (assuming  all  sublease  renewal  or  extension  rights  are
exercised),  Tenant  shall  give  Landlord  notice  (the  “Intention  to  Transfer  Notice”)  of  such  contemplated  Transfer  (whether  or  not  the  contemplated
Transferee or the terms of such contemplated Transfer have been determined).  The Intention to Transfer Notice shall specify the portion of and amount of
rentable square feet of the Premises which Tenant intends to Transfer (the “Contemplated Transfer Space”), the contemplated date of commencement of
the Contemplated Transfer (the “Contemplated Effective Date”), and the contemplated length of the term of such contemplated Transfer, and shall specify
that  such  Intention  to  Transfer  Notice  is  delivered  to  Landlord  pursuant  to  this  Section  14.4  in  order  to  allow  Landlord  to  elect  to  recapture  the
Contemplated Transfer Space.  Thereafter, Landlord shall have the option, by giving written notice to Tenant within fifteen (15) days after receipt of any
Intention  to  Transfer  Notice,  to  recapture  the  Contemplated  Transfer  Space.    Such  recapture  shall  cancel  and  terminate  this  Lease  with  respect  to  such
Contemplated Transfer Space as of the Contemplated Effective Date.  In the event of a recapture by Landlord, if this Lease shall be canceled with respect to
less than the entire Premises, the Rent reserved herein shall be prorated on the basis of the number of rentable square feet retained by Tenant in proportion
to the number of rentable square feet contained in the Premises, and this Lease as so amended shall continue thereafter in full force and effect, and upon
request of either party, the parties shall execute written confirmation of the same.  

14.5

Effect of Transfer.  If Landlord consents to a Transfer, (i) the terms and conditions of this Lease shall in no way be deemed to
have been waived or modified, (ii) such consent shall not be deemed consent to any further Transfer by either Tenant or a Transferee, (iii) Tenant shall
deliver to Landlord, promptly after execution, an original executed copy of all documentation pertaining to the Transfer in form reasonably acceptable to
Landlord,  (iv)  intentionally  omitted,  and  (v)  no  Transfer  relating  to  this  Lease  or  agreement  entered  into  with  respect  thereto,  whether  with  or  without
Landlord’s consent, shall relieve Tenant or any guarantor of the Lease from any liability under this Lease, including, without limitation, in connection with
the Subject Space.

 
 
14.6

Sublease/Transfer Restrictions.  Notwithstanding anything contained herein to the contrary and without limiting the generality
of Section 14.1 above, Tenant shall not:  (a) sublet all or part of the Premises or assign or otherwise Transfer this Lease on any basis such that the rental or
other amounts to be paid by the subtenant or assignee thereunder would be based, in whole or in part, on the income or profits derived by the business
activities of the subtenant or assignee; (b) sublet all or part of the Premises or assign this Lease to any person or entity in which, under Section 856(d)(2)(B)
of the Code, Longfellow Atlantic REIT, Inc., a Delaware corporation (the “Company”), or any affiliate of the Company owns, directly or indirectly (by
applying constructive ownership rules set forth in Section 856(d) (5) of the Code), a ten percent (10%) or greater interest; or (c) sublet all or part of the
Premises or assign this Lease in any other manner or otherwise derive any income which could cause any portion of the amounts received by Landlord
pursuant hereto or any sublease to fail to qualify as “rents from real property” within the meaning of Section 856(d) of the Code, or which could cause any
other income received by Landlord to fail to qualify as income described in Section 856(c) (2) of the Code.  The requirements of this Section 14.4 shall
likewise apply to any further subleasing, assignment or other Transfer by any subtenant or assignee.  All references herein to Section 856 of the Code also
shall refer to any amendments thereof or successor provisions thereto.

14.7

Occurrence of Default.  Any Transfer hereunder shall be subordinate and subject to the provisions of this Lease, and if this Lease
shall be terminated during the term of any Transfer, Landlord shall have the right to:  (i) treat such Transfer as cancelled and repossess the Subject Space by
any lawful means, or (ii) require that such Transferee attorn to and recognize Landlord as its landlord under any such Transfer.  If Tenant shall be in default
under this Lease (beyond applicable notice and cure period), Landlord is hereby irrevocably authorized to direct any Transferee to make all payments under
or in connection with the Transfer directly to Landlord (which Landlord shall apply towards Tenant’s obligations under this Lease) until such default is
cured.    Such  Transferee  shall  rely  on  any  representation  by  Landlord  that  Tenant  is  in  default  hereunder,  without  any  need  for  confirmation  thereof  by
Tenant.  Upon any assignment, the assignee shall assume in writing all obligations and covenants of Tenant thereafter to be performed or observed under
this  Lease.    No  collection  or  acceptance  of  rent  by  Landlord  from  any  Transferee  shall  be  deemed  a  waiver  of  any  provision  of  this  Article 14  or  the
approval  of  any  Transferee  or  a  release  of  Tenant  from  any  obligation  under  this  Lease,  whether  theretofore  or  thereafter  accruing.    In  no  event  shall
Landlord’s enforcement of any provision of this Lease against any Transferee be deemed a waiver of Landlord’s right to enforce any term of this Lease
against  Tenant  or  any  other  person.    If  Tenant’s  obligations  hereunder  have  been  guaranteed,  Landlord’s  consent  to  any  Transfer  shall  not  be  effective
unless the guarantor also consents to such Transfer.

14.8

Non-Transfers.  Notwithstanding anything to the contrary contained in this Article 14, (i) an assignment or subletting of all or a
portion of the Premises to an affiliate of Tenant (an entity which is controlled by, controls, or is under common control with, Tenant), (ii) an assignment of
the Premises to an entity which acquires all or substantially all of the assets or interests (partnership, stock or other) of Tenant, (iii) an assignment of the
Premises to an entity which is the resulting entity of a merger or consolidation of Tenant, or (iv) a sale of corporate shares of capital stock in Tenant in
connection with an initial public offering of Tenant’s stock on a nationally-recognized stock exchange (collectively, a “Permitted Transferee”), shall not
be deemed a Transfer under this Article 14, provided that (A) Tenant notifies Landlord of any such assignment or sublease and promptly supplies Landlord
with  any  documents  or  information  reasonably  requested  by  Landlord  regarding  such  assignment  or  sublease  or  such  affiliate,  (B)  such  assignment  or
sublease  is  not  a  subterfuge  by  Tenant  to  avoid  its  obligations  under  this  Lease,  (C)  such  Permitted  Transferee  shall  be  of  a  character  and  reputation
consistent with the quality of the Building, and (D) such Permitted Transferee shall have a tangible net worth (not including goodwill as an asset) computed
in accordance with generally accepted accounting principles (“Net Worth”) at least equal to the Net Worth of Tenant on the day immediately preceding the
effective  date  of  such  assignment  or  sublease.    An  assignee  of  Tenant’s  entire  interest  that  is  also  a  Permitted  Transferee  may  also  be  known  as  a
“Permitted Assignee”.  “Control,” as used in this Section 14.8, shall mean the ownership, directly or indirectly, of at least fifty-one percent (51%) of the
voting securities of, or possession of the right to vote, in the ordinary direction of its affairs, of at least fifty-one percent (51%) of the voting interest in, any
person or entity.  No such permitted assignment or subletting shall serve to release Tenant from any of its obligations under this Lease.

15.

SURRENDER OF PREMISES; OWNERSHIP AND REMOVAL OF TRADE FIXTURES

15.1

Surrender of Premises.  No act or thing done by Landlord or any agent or employee of Landlord during the Lease Term shall be
deemed to constitute an acceptance by Landlord of a surrender of the Premises unless such intent is specifically acknowledged in writing by Landlord.  The
delivery of keys to the Premises to Landlord or

 
 
any  agent  or  employee  of  Landlord  shall  not  constitute  a  surrender  of  the  Premises  or  effect  a  termination  of  this  Lease,  whether  or  not  the  keys  are
thereafter retained by Landlord, and notwithstanding such delivery Tenant shall be entitled to the return of such keys at any reasonable time upon request
until this Lease shall have been properly terminated.  The voluntary or other surrender of this Lease by Tenant, whether accepted by Landlord or not, or a
mutual  termination  hereof,  shall  not  work  a  merger,  and  at  the  option  of  Landlord  shall  operate  as  an  assignment  to  Landlord  of  all  subleases  or
subtenancies affecting the Premises or terminate any or all such sublessees or subtenancies.

15.2

Removal of Tenant Property by Tenant.  Upon the expiration of the Lease Term, or upon any earlier termination of this Lease,
Tenant shall, subject to the provisions of this Article 15, quit and surrender possession of the Premises to Landlord in as good order and condition as when
Tenant  took  possession  and  as  thereafter  improved  by  Landlord  and/or  Tenant,  reasonable  wear  and  tear  and  repairs  which  are  specifically  made  the
responsibility of Landlord hereunder excepted.  Upon such expiration or termination, Tenant shall, without expense to Landlord, remove or cause to be
removed from the Premises all debris and rubbish, and such items of furniture, equipment, free-standing cabinet work, movable partitions (not including
modular “clean rooms” built into the Premises as part of the Tenant Improvements) and other articles of personal property owned by Tenant or installed or
placed  by  Tenant  at  its  expense  in  the  Premises,  and  such  similar  articles  of  any  other  persons  claiming  under  Tenant,  as  Landlord  may,  in  its  sole
discretion, require to be removed, and Tenant shall repair at its own expense all damage to the Premises and Building resulting from such removal. In no
event shall any Landlord’s Work be deemed to be Tenant’s personal property, it being the intent that Tenant’s personal property includes only those items
that are not built into the Premises and that have not been constructed or installed by Landlord pursuant to the Work Letter.

15.3

Environmental Assessment.  Prior to the expiration of the Lease (or within thirty (30) days after any earlier termination), Tenant
shall clean and otherwise decommission all interior surfaces (including floors, walls, ceilings, and counters), piping, supply lines, waste lines and plumbing
in or serving the Premises, and all exhaust or other ductwork in or serving the Premises, in each case that has carried, released or otherwise been exposed to
any  Hazardous  Materials  due  to  Tenant’s  use  or  occupancy  of  the  Premises,  and  shall  otherwise  clean  the  Premises  so  as  to  permit  the  Environmental
Assessment  called  for  by  this  Section 15.3  to  be  issued.    Prior  to  the  expiration  of  this  Lease  (or  within  thirty  (30)  days  after  any  earlier  termination),
Tenant, at Tenant’s expense, shall obtain for Landlord a report (an “Environmental Assessment”) addressed to Landlord (and, at Tenant’s election, Tenant)
by a reputable licensed environmental consultant or industrial hygienist that is designated by Tenant and acceptable to Landlord in Landlord’s reasonable
discretion,  which  report  shall  be  based  on  the  environmental  consultant’s  inspection  of  the  Premises  and  shall  state,  to  the  Landlord’s  reasonable
satisfaction, that (a) the Hazardous Materials described in the first sentence of this paragraph, to the extent, if any, existing prior to such decommissioning,
have been removed in accordance with Applicable Laws; (b) all Hazardous Materials described in the first sentence of this paragraph, if any, have been
removed in accordance with Applicable Laws from the interior surfaces of the Premises (including floors, walls, ceilings, and counters), piping, supply
lines, waste lines and plumbing, and all such exhaust or other ductwork in the Premises, may be reused by a subsequent tenant or disposed of in compliance
with  Applicable  Laws  without  incurring  special  costs  or  undertaking  special  procedures  for  demolition,  disposal,  investigation,  assessment,  cleaning  or
removal of such Hazardous Materials and without giving notice in connection with such Hazardous Materials; and (c) the Premises may be reoccupied for
office, research and development, or laboratory use, demolished or renovated without incurring special costs or undertaking special procedures for disposal,
investigation,  assessment,  cleaning  or  removal  of  Hazardous  Materials  described  in  the  first  sentence  of  this  paragraph  and  without  giving  notice  in
connection with Hazardous Materials.  Further, for purposes of clauses (b) and (c), “special costs” or “special procedures” shall mean costs or procedures,
as  the  case  may  be,  that  would  not  be  incurred  but  for  the  nature  of  the  Hazardous  Materials  as  Hazardous  Materials  instead  of  non-hazardous
materials.  The report shall also include reasonable detail concerning the clean-up measures taken, the clean-up locations, the tests run and the analytic
results.  Tenant shall submit to Landlord the scope of the proposed Environmental Assessment for Landlord’s reasonable review and approval at least 30
days prior to commencing the work described therein or at least 60 days prior to the expiration of the Lease Term, whichever is earlier.

If Tenant fails to perform its obligations under this Section 15.3 without limiting any other right or remedy, Landlord may, on five (5) business
days’ prior written notice to Tenant perform such obligations at Tenant’s expense if Tenant has not commenced to do so within said five day period, and
Tenant shall within 10 days of written demand reimburse Landlord for all reasonable out-of-pocket costs and expenses incurred by Landlord in connection
with such work.  Tenant’s obligations under this Section 15.3 shall survive the expiration or earlier termination of this Lease.  In

 
 
addition, at Landlord’s election, Landlord may inspect the Premises and/or the Project for Hazardous Materials at Landlord’s cost and expense within sixty
(60)  days  of  Tenant’s  surrender  of  the  Premises  at  the  expiration  or  earlier  termination  of  this  Lease.   Tenant  shall  pay  for  all  such  costs  and  expenses
incurred by Landlord in connection with such inspection if such inspection reveals that a release of Hazardous Materials exists at the Project or Premises as
a proximate result of the acts or omissions of Tenant, its officers, employees, contractors, and agents (except to the extent resulting from (i) Hazardous
Materials existing in the Premises as at the delivery of possession to Tenant (in which event Landlord shall be responsible for any Clean-up, as provided in
this Lease), or (ii) the acts or omissions of Landlord or Landlord’s agents, employees or contractors).

16.

HOLDING OVER

If Tenant holds over after the expiration of the Lease Term or earlier termination thereof, with the express or implied consent of Landlord, such
tenancy shall be from month-to-month only, and shall not constitute a renewal hereof or an extension for any further term.  If Tenant holds over after the
expiration  of  the  Lease  Term  of  earlier  termination  thereof,  without  the  express  or  implied  consent  of  Landlord,  such  tenancy  shall  be  deemed  to  be  a
tenancy by sufferance only, and shall not constitute a renewal hereof or an extension for any further term.  In either case, Base Rent shall be payable at a
monthly rate equal to one hundred twenty-five percent (125%) of the Base Rent applicable during the last rental period of the Lease Term under this Lease
for the first two (2) months of such holdover with such rate increasing to one hundred fifty percent (150%) of the Base Rent if Tenant holdsover longer than
two (2) months.  Such month-to-month tenancy or tenancy by sufferance, as the case may be, shall be subject to every other applicable term, covenant and
agreement contained herein.  Nothing contained in this Article 16 shall be construed as consent by Landlord to any holding over by Tenant, and Landlord
expressly reserves the right to require Tenant to surrender possession of the Premises to Landlord as provided in this Lease upon the expiration or other
termination of this Lease.  The provisions of this Article 16 shall not be deemed to limit or constitute a waiver of any other rights or remedies of Landlord
provided herein or at law.  If Tenant fails to surrender the Premises upon the termination or expiration of this Lease, in addition to any other liabilities to
Landlord accruing therefrom, Tenant shall protect, defend, indemnify and hold Landlord harmless from all loss, costs (including reasonable attorneys’ fees)
and liability resulting from such failure, including, without limiting the generality of the foregoing, any claims made by any succeeding tenant founded
upon such failure to surrender and any lost profits to Landlord resulting therefrom.

17.

ESTOPPEL CERTIFICATES

Within  ten  (10)  business  days  following  a  request  in  writing  by  Landlord,  Tenant  shall  execute,  acknowledge  and  deliver  to  Landlord  an
estoppel  certificate,  which,  as  submitted  by  Landlord,  shall  be  substantially  in  the  form  of  Exhibit  F,  attached  hereto  (or  such  other  commercially
reasonable form as may be required by any prospective mortgagee or purchaser of the Project, or any portion thereof), indicating therein any exceptions
thereto that may exist at that time, and shall also contain any other information reasonably requested by Landlord or Landlord’s mortgagee or prospective
mortgagee.  Any such certificate may be relied upon by any prospective mortgagee or purchaser of all or any portion of the Project.  Tenant shall execute
and deliver whatever other instruments may be reasonably required for such purposes.  At any time during the Lease Term, but not more often than twice
per year, Landlord may require Tenant to provide Landlord with a current financial statement and financial statements of the two (2) years prior to the
current financial statement year.  Such statements shall be prepared in accordance with generally accepted accounting principles and, if such is the normal
practice  of  Tenant,  shall  be  audited  by  an  independent  certified  public  accountant.    Failure  of  Tenant  to  timely  execute,  acknowledge  and  deliver  such
estoppel certificate or other instruments shall constitute an acceptance of the Premises and an acknowledgment by Tenant that statements included in the
estoppel certificate are true and correct, without exception.

18.

SUBORDINATION

This Lease shall be subject and subordinate to all present and future ground or underlying leases of the Building or Project and to the lien of
any mortgage, trust deed or other encumbrances now or hereafter in force against the Building or Project or any part thereof, if any, and to all renewals,
extensions, modifications, consolidations and replacements thereof, and to all advances made or hereafter to be made upon the security of such mortgages
or trust deeds, unless the holders of such mortgages, trust deeds or other encumbrances, or the lessors under such ground lease or underlying leases, require
in  writing  that  this  Lease  be  superior  thereto.    Tenant  covenants  and  agrees  in  the  event  any  proceedings  are  brought  for  the  foreclosure  of  any  such
mortgage or deed in lieu thereof (or if any ground lease

 
 
is terminated), to attorn, without any deductions or set-offs whatsoever, to the lienholder or purchaser or any successors thereto upon any such foreclosure
sale  or  deed  in  lieu  thereof  (or  to  the  ground  lessor),  if  so  requested  to  do  so  by  such  purchaser  or  lienholder  or  ground  lessor,  and  to  recognize  such
purchaser or lienholder or ground lessor as the lessor under this Lease, provided such lienholder or purchaser or ground lessor shall agree to accept this
Lease and not disturb Tenant’s occupancy, so long as Tenant timely pays the rent and observes and performs the terms, covenants and conditions of this
Lease to be observed and performed by Tenant.  Landlord’s delivery to Tenant of commercially reasonable non-disturbance agreement(s) in favor of Tenant
from any ground lessors, mortgage holders or lien holders of Landlord who come into existence following the date hereof but prior to the expiration of the
Lease Term shall be in consideration of, and a condition precedent to, Tenant’s agreement to subordinate this Lease to any such ground lease, mortgage or
lien.    Landlord’s  interest  herein  may  be  assigned  as  security  at  any  time  to  any  lienholder.    Tenant  shall,  within  ten  (10)  business  days  of  request  by
Landlord, execute such further commercially reasonable instruments or assurances as Landlord may reasonably deem necessary to evidence or confirm the
subordination  or  superiority  of  this  Lease  to  any  such  mortgages,  trust  deeds,  ground  leases  or  underlying  leases.   Tenant  waives  the  provisions  of  any
current or future statute, rule or law which may give or purport to give Tenant any right or election to terminate or otherwise adversely affect this Lease and
the obligations of the Tenant hereunder in the event of any foreclosure proceeding or sale.  

19.

DEFAULTS; REMEDIES

19.1

Events of Default.  The occurrence of any of the following shall constitute a default of this Lease by Tenant:

19.1.1

Any failure by Tenant to pay any Rent or any other charge required to be paid under this Lease, or any part thereof,
when due (provided, however, that it shall not be a default if Tenant makes full payment within five (5) business days after receipt of written notice of any
delinquency; provided that Landlord shall not be required to provide more than one (1) such notices in any twelve (12) month period during the Lease
Term); or

19.1.2

Except where a specific time period is otherwise set forth for Tenant’s performance in this Lease, in which event the
failure to perform by Tenant within such time period shall be a default by Tenant under this Section 19.1.2, any failure by Tenant to observe or perform any
other provision, covenant or condition of this Lease to be observed or performed by Tenant where such failure continues for thirty (30) days after written
notice thereof from Landlord to Tenant; provided that if the nature of such default is such that the same cannot reasonably be cured within a thirty (30) day
period, Tenant shall not be deemed to be in default if it diligently commences such cure within such period and thereafter diligently proceeds to rectify and
cure such default; or

maintenance, cleanliness or operation of the Premises within five (5) business days after notice from Landlord; or

19.1.3

Abandonment  of  the  Premises  by  Tenant  and  failure  to  perform  any  obligation  under  this  Lease  regarding  the

where such failure continues for more than two (2) business days after notice from Landlord.

19.1.4

The failure by Tenant to observe or perform according to the provisions of Articles 5, 14, 17  or  18  of  this  Lease

The notice periods provided herein are in lieu of, and not in addition to, any notice periods provided by law.  

19.2

Remedies Upon Default.  Upon the occurrence of any event of default by Tenant, Landlord shall have, in addition to any other
remedies available to Landlord at law or in equity (all of which remedies shall be distinct, separate and cumulative), the option to pursue any one or more
of the following remedies, each and all of which shall be cumulative and nonexclusive, without any separate notice or demand whatsoever.

19.2.1

Landlord may, immediately or at any time thereafter, elect to terminate this Lease by notice of termination, by entry,
or by any other means available under law and may recover possession of the Premises as provided herein.  Upon termination by notice, by entry, or by any
other means available under law, Landlord shall be entitled immediately, in the case of termination by notice or entry, and otherwise in accordance with the
provisions of law to recover possession of the Premises from Tenant and those claiming through or under the Tenant.  Such termination of this Lease and
repossession of the Premises shall be without prejudice to any remedies which Landlord

 
 
might otherwise have for arrears of rent or for a prior breach of the provisions of this Lease.  Tenant waives any statutory notice to quit and equitable rights
in the nature of further cure or redemption, and Tenant agrees that upon Landlord’s termination of this Lease Landlord shall be entitled to re-entry and
possession in accordance with the terms hereof.  Landlord may, without notice, store Tenant’s personal property (and those of any person claiming under
Tenant) at the expense and risk of Tenant or, if Landlord so elects, Landlord may sell such personal property at public auction or auctions or at private sale
or sales after seven days’ notice to Tenant and apply the net proceeds to the earliest of installments of rent or other charges owing Landlord.  Tenant agrees
that  a  notice  by  Landlord  alleging  any  default  shall,  at  Landlord’s  option  (the  exercise  of  such  option  shall  be  indicated  by  the  inclusion  of  the  words
“notice to quit” in such notice), constitute a statutory notice to quit.  If Landlord exercises its option to designate a notice of default hereunder as a statutory
notice to quit, any grace periods provided for herein shall run concurrently with any statutory notice periods.

19.2.2

In the case of termination of this Lease pursuant to Section 19.2.1, Tenant shall reimburse Landlord for all expenses
arising  out  of  such  termination,  including  without  limitation,  all  reasonable  costs  incurred  in  collecting  amounts  due  from  Tenant  under  this  Lease
(including reasonable attorneys’ fees, costs of litigation and the like); all expenses incurred by Landlord in attempting to relet the Premises or parts thereof
(including  advertisements,  brokerage  commissions,  Tenant’s  allowances,  costs  of  preparing  space,  and  the  like);  and  all  Landlord’s  other  reasonable
expenditures necessitated by the termination.  The reimbursement from Tenant shall be due and payable immediately from time to time upon notice from
Landlord that an expense has been incurred, without regard to whether the expense was incurred before or after the termination.

19.2.3

Landlord may elect by written notice to Tenant within one year following such termination to be indemnified for
loss of rent by a lump sum payment representing the then present value of the amount of Rent that would have been paid in accordance with this Lease for
the remainder of the Lease Term minus the then present value of the aggregate fair market rent and additional charges payable for the Premises for the
remainder  of  the  Lease  Term  (if  less  than  the  Rent  payable  hereunder),  estimated  as  of  the  date  of  the  termination,  and  taking  into  account  reasonable
projections of vacancy and time required to re-lease the Premises.  (For the purposes of calculating the Rent that would have been paid hereunder for the
lump sum payment calculation described herein, the last full year’s Additional Rent under Article 4 is to be deemed constant for each year thereafter.  The
Federal Reserve discount rate (or equivalent) shall be used in calculating present values.)  Should the parties be unable to agree on a fair market rent, the
matter shall be submitted, upon the demand of either party, to the Charlotte, North Carolina office of the American Arbitration Association, with a request
for arbitration in accordance with the rules of the Association by a single arbitrator who shall be an MAI appraiser with at least ten years’ experience as an
appraiser  of  life  sciences  buildings  in  the  Research  Triangle  Park  and  Durham  markets.    The  parties  agree  that  a  decision  of  the  arbitrator  shall  be
conclusive  and  binding  upon  them.    If,  at  the  end  of  the  Lease  Term,  the  rent  that  Landlord  has  actually  received  from  the  Premises  is  less  than  the
aggregate fair market rent estimated as aforesaid, Tenant shall thereupon pay Landlord the amount of such difference.  If and for so long as Landlord does
not make the election provided for in this Section 19.2.3, Tenant shall indemnify Landlord for the loss of Rent by a payment at the end of each month
which would have been included in the Lease Term, representing the excess of the Rent that would have been paid in accordance with this Lease (Base
Rent together with any Additional Rent that would have been payable under Article 4, to be ascertained monthly) over the rent actually derived from the
Premises by Landlord for such month (the amount of rent deemed derived shall be the actual amount less any portion thereof attributable to Landlord’s
reletting expenses described in Section 19.2.2 that have not been reimbursed by Tenant thereunder).

19.2.4

Intentionally Omitted.  

19.2.5

In lieu of any other damages or indemnity and in lieu of full recovery by Landlord of all sums payable under all the
foregoing provisions of this Section 19.2, Landlord may by written notice to Tenant within six (6) months after termination under any of the provisions
contained  in  Section 19.1  and  before  such  full  recovery,  elect  to  recover,  and  Tenant  shall  thereupon  pay,  as  minimum  liquidated  damages  under  this
Section 19.2, an amount equal to the lesser of (i) the aggregate of the Base Rent and Additional Rent for the balance of the Lease Term had it not been
terminated or (ii) the aggregate thereof for the 12 months ending one year after the termination date, plus in either case (iii) the amount of Base Rent and
Additional Rent of any kind accrued and unpaid at the time of termination and minus (iv) the amount of any recovery by Landlord under the foregoing
provisions  of  this  Section  19.2  up  to  the  time  of  payment  of  such  liquidated  damages  (but  reduced  by  any  amounts  of  reimbursement  under
Section 19.2.2).  Liquidated damages hereunder shall not be in lieu of any claims for reimbursement under Section 19.2.2.

 
 
time, without terminating this Lease, enforce all of its rights and remedies under this Lease, including the right to recover all rent as it becomes due.

19.2.6

If Landlord does not elect to terminate this Lease on account of any default by Tenant, Landlord may, from time to

19.2.7

Landlord shall at all times have the rights and remedies (which shall be cumulative with each other and cumulative
and in addition to those rights and remedies available under Sections 19.2.1 and 19.2.2, above, or any law or other provision of this Lease), without prior
demand or notice except as required by Applicable Law, to seek any declaratory, injunctive or other equitable relief, and specifically enforce this Lease, or
restrain or enjoin a violation or breach of any provision hereof.  The provisions of this Section 19.2.7 are not dependent upon the occurrence of a default.

19.2.8

Any  obligation  imposed  by  law  upon  Landlord  to  relet  the  Premises  after  any  termination  of  the  Lease  shall  be
subject  to  the  reasonable  requirements  of  Landlord  to  lease  to  high  quality  tenants  on  such  terms  as  Landlord  may  from  time  to  time  deem  reasonably
appropriate and to develop the Building in a harmonious manner with an appropriate mix of uses, tenants, floor areas and terms of tenancies, and the like,
and Landlord shall not be obligated to relet the Premises to any party to whom Landlord or its affiliate may desire to lease other available space in the
Building.

19.2.9

Nothing  herein  shall  limit  or  prejudice  the  right  of  Landlord  to  prove  and  obtain  in  a  proceeding  for  bankruptcy,
insolvency, arrangement or reorganization, by reason of the termination, an amount equal to the maximum allowed by a statute of law in effect at the time
when, and governing the proceedings in which, the damages are to be proved, whether or not the amount is greater to, equal to, or less than the amount of
the loss or damage which Landlord has suffered.

19.3

Subleases of Tenant.  Whether or not Landlord elects to terminate this Lease on account of any default by Tenant, as set forth in
this Article 19,  Landlord  shall  have  the  right  to  terminate  any  and  all  subleases,  licenses,  concessions  or  other  consensual  arrangements  for  possession
entered into by Tenant and affecting the Premises or may, in Landlord’s sole discretion, succeed to Tenant’s interest in such subleases, licenses, concessions
or arrangements.  In the event of Landlord’s election to succeed to Tenant’s interest in any such subleases, licenses, concessions or arrangements, Tenant
shall, as of the date of notice by Landlord of such election, have no further right to or interest in the rent or other consideration receivable thereunder.  

19.4

Efforts to Relet.  No re-entry or repossession, repairs, maintenance, changes, alterations and additions, reletting, appointment of a
receiver to protect Landlord’s interests hereunder, or any other action or omission by Landlord shall be construed as an election by Landlord to terminate
this Lease or Tenant’s right to possession, or to accept a surrender of the Premises, nor shall same operate to release Tenant in whole or in part from any of
Tenant’s obligations hereunder, unless express written notice of such intention is sent by Landlord to Tenant.  Tenant hereby irrevocably waives any right
otherwise available under any law to redeem or reinstate this Lease.

19.5

Landlord Default.

19.5.1

General.  Notwithstanding anything to the contrary set forth in this Lease, Landlord shall not be in default in the
performance of any obligation required to be performed by Landlord pursuant to this Lease unless Landlord fails to perform such obligation within thirty
(30) days after the receipt of notice from Tenant specifying in detail Landlord’s failure to perform; provided, however, if the nature of Landlord’s obligation
is such that more than thirty (30) days are required for its performance, then Landlord shall not be in default under this Lease if it shall commence such
performance within such thirty (30) day period and thereafter diligently pursue the same to completion.  Upon any such default by Landlord under this
Lease, Tenant may, except as otherwise specifically provided in this Lease to the contrary, exercise any of its rights provided at law or in equity.

19.5.2

Intentionally Omitted.

 
 
20.

COVENANT OF QUIET ENJOYMENT

Landlord covenants that Tenant, on paying the Rent, charges for services and other payments herein reserved and on keeping, observing and
performing  all  the  other  terms,  covenants,  conditions,  provisions  and  agreements  herein  contained  on  the  part  of  Tenant  to  be  kept,  observed  and
performed, shall, during the Lease Term, peaceably and quietly have, hold and enjoy the Premises subject to the terms, covenants, conditions, provisions
and  agreements  hereof  without  interference  by  any  persons  lawfully  claiming  by  or  through  Landlord.    The  foregoing  covenant  is  in  lieu  of  any  other
covenant express or implied.

21.

SECURITY DEPOSIT

Concurrently with Tenant’s execution and delivery of this Lease, Tenant shall deposit with Landlord cash in the amount set forth in Section 9 of
the Summary as security for the faithful performance by Tenant of all of its obligations under this Lease.  The Security Deposit shall be held by Landlord as
security for the faithful performance by Tenant of all of the terms, covenants and conditions of this Lease to be kept and performed by Tenant during the
period  commencing  on  the  Execution  Date  and  ending  upon  the  expiration  or  termination  of  Tenant’s  obligations  under  this  Lease.   After  an  Event  of
Default Landlord may (but shall not be required to) use, apply or retain all or any part of the Security Deposit for the payment of any Rent or any other sum
in default, or to compensate Landlord for any other loss or damage that Landlord may suffer by reason of Tenant’s default as provided in this Lease.  The
provisions of this Article shall survive the expiration or earlier termination of this Lease.  In the event of bankruptcy or other debtor-creditor proceedings
against Tenant, the Security Deposit then being held by Landlord shall be deemed to be applied first to the payment of Rent and other charges due Landlord
for all periods prior to the filing of such proceedings.  Landlord shall deliver or credit to any purchaser of Landlord’s interest in the Premises the funds then
held hereunder by Landlord, and thereupon (and upon confirmation by the transferee of such funds, whether expressly or by written assumption of this
Lease,  generally)  Landlord  shall  be  discharged  from  any  further  liability  with  respect  to  such  funds.   This  provision  shall  also  apply  to  any  subsequent
transfers. If Tenant shall fully and faithfully perform every provision of this Lease to be performed by it, then the Security Deposit, if any, or any balance
thereof, shall be returned to Tenant (or, at Landlord’s option, to the last assignee of Tenant’s interest hereunder) within 90 days after the expiration or earlier
termination of this Lease. Landlord shall hold the Security Deposit in an account at a banking organization selected by Landlord; provided, however, that
Landlord shall not be required to maintain a separate account for the Security Deposit, but may intermingle it with other funds of Landlord.  Landlord shall
be entitled to all interest and/or dividends, if any, accruing on such Security Deposit.

22.

SUBSTITUTION OF OTHER PREMISES

Intentionally omitted.

23.

SIGNS

23.1

Interior Signage.  All letters and numerals on doors or other signs on the Premises shall be in the standard form of graphics for
the  Building,  and  no  others  shall  be  used  or  permitted  without  Landlord’s  prior  written  consent,  not  to  be  unreasonably  withheld,  conditioned,  or
delayed.  Furthermore, Tenant shall not place signs on or in the Premises which are visible from outside the Premises.  Tenant’s name and suite number
shall be included by Landlord on the lobby directory for the Building, at Landlord’s cost.

23.2

Intentionally omitted.

23.3

Prohibited Signage and Other Items.  Any signs, notices, logos, pictures, names or advertisements which are installed and that
have not been separately approved by Landlord may be removed without notice by Landlord at the sole expense of Tenant.  Tenant may not install any
signs  on  the  exterior  or  roof  of  the  Project  or  the  Common  Areas.   Any  signs,  window  coverings,  or  blinds  (even  if  the  same  are  located  behind  the
Landlord-approved window coverings for the Building), or other items visible from the exterior of the Premises or Building, shall be subject to the prior
approval of Landlord, in its sole discretion.  Tenant shall not place or install any projections, antennae, aerials, or similar devices inside or outside of the
Building, without the prior written approval of Landlord (not to be unreasonably withheld, conditioned, or delayed), subject to Tenant’s rights pursuant to
Section 23.1, above.

 
 
24.

COMPLIANCE WITH LAW

Tenant shall not do anything or suffer anything to be done in or about the Premises or the Project which will conflict with any law, statute,
ordinance or other governmental rule, regulation or requirement now in force or which may hereafter be enacted or promulgated (collectively, “Applicable
Laws”).  At its sole cost and expense, Tenant shall promptly comply with all such Applicable Laws which relate to (i) Tenant’s use of the Premises, (ii)  any
Alterations or Tenant Improvements, or (iii) the Building, but as to the Building (and as to any improvements to exterior walls, structural floors and the
portions of the electrical, heating, ventilation and air conditioning and other systems of the Building that serve other tenants and that are located within the
Premises), only to the extent such obligations are triggered by Alterations or Tenant Improvements, or Tenant’s use of the Premises for non‑general office
and  laboratory  use.  Tenant  shall  be  responsible,  at  its  sole  cost  and  expense,  to  make  all  alterations  to  the  Premises  as  are  required  to  comply  with  the
Applicable Laws to the extent required in this Article 24.  Notwithstanding the foregoing terms of this Article 24 to the contrary, Tenant may defer such
compliance with Applicable Laws while Tenant contests, in a court of proper jurisdiction, in good faith, the applicability of such Applicable Laws to the
Premises  or  Tenant’s  specific  use  or  occupancy  of  the  Premises;  provided,  however,  Tenant  may  only  defer  such  compliance  if  such  deferral  shall  not
(a)  prohibit  Tenant  from  obtaining  or  maintaining  a  certificate  of  occupancy  for  the  Premises,  (b)  prohibit  Landlord  from  obtaining  or  maintaining  a
certificate  of  occupancy  for  the  Building  or  any  portion  thereof,  (c)  unreasonably  and  materially  affect  the  safety  of  the  employees  and/or  invitees  of
Landlord or of any tenant in the Building (including Tenant), (d) create a significant health hazard for the employees and/or invitees of Landlord or of any
tenant  in  the  Building  (including  Tenant),  (e)  otherwise  materially  and  adversely  affect  Tenant’s  use  of  or  access  to  the  Buildings  or  the  Premises,  or
(f) impose material obligations, liability, fines, or penalties upon Landlord or any other tenant of the Building, or would materially and adversely affect the
use  of  or  access  to  the  Building  by  Landlord  or  other  tenants  or  invitees  of  the  Building.    The  judgment  of  any  court  of  competent  jurisdiction  or  the
admission of Tenant in any judicial action, regardless of whether Landlord is a party thereto, that Tenant has violated any of said governmental measures,
shall be conclusive of that fact as between Landlord and Tenant.  Landlord shall comply with all Applicable Laws relating to the Base Building and the
Common  Areas,  provided  that  compliance  with  such  Applicable  Laws  is  not  the  responsibility  of  Tenant  under  this  Lease,  and  provided  further  that
Landlord’s  failure  to  comply  therewith  would  prohibit  Tenant  from  obtaining  or  maintaining  a  certificate  of  occupancy  for  the  Premises,  or  would
unreasonably  and  materially  affect  the  safety  of  Tenant’s  employees  or  create  a  significant  health  hazard  for  Tenant’s  employees,  or  would  otherwise
materially  and  adversely  affect  Tenant’s  use  of  or  access  to  the  Premises.    Landlord  shall  be  permitted  to  include  in  Operating  Expenses  any  costs  or
expenses incurred by Landlord under this Article 24 to the extent not prohibited by the terms of Section 4.2.7 above.

25.

LATE CHARGES

If any installment of Rent or any other sum due from Tenant shall not be received by Landlord or Landlord’s designee within five (5) business
days after Tenant’s receipt of written notice from Landlord that said amount is due, then Tenant shall pay to Landlord a late charge equal to five percent
(5%) of the overdue amount plus any reasonable attorneys’ fees incurred by Landlord by reason of Tenant’s failure to pay Rent and/or other charges when
due hereunder.  Notwithstanding the foregoing, Landlord shall not charge Tenant a late charge for the first (1st) late payment in any twelve (12) month
period (but in no event with respect to any subsequent late payment in any twelve (12) month period) during the Lease Term that Tenant fails to timely pay
Rent or another sum due under this Lease, provided that such late payment is made within three (3) days following the expiration of the five (5) business
day period set forth in the first sentence of this Article 25.  The late charge shall be deemed Additional Rent and the right to require it shall be in addition to
all of Landlord’s other rights and remedies hereunder or at law and shall not be construed as liquidated damages or as limiting Landlord’s remedies in any
manner.  In addition to the late charge described above, any Rent or other amounts owing hereunder which are not paid when due shall bear interest from
the  date  when  due  until  paid  at  a  rate  per  annum  equal  to  the  lesser  of  (i)  the  annual  “Bank Prime Loan”  rate  cited  in  the  Federal  Reserve  Statistical
Release  Publication  G.13(415),  published  on  the  first  Tuesday  of  each  calendar  month  (or  such  other  comparable  index  as  Landlord  and  Tenant  shall
reasonably agree upon if such rate ceases to be published) plus four (4) percentage points, and (ii) the highest rate permitted by Applicable Law.

26.

LANDLORD’S RIGHT TO CURE DEFAULT; PAYMENTS BY TENANT

26.1

Landlord’s Cure.   All  covenants  and  agreements  to  be  kept  or  performed  by  Tenant  under  this  Lease  shall  be  performed  by

Tenant at Tenant’s sole cost and expense and without any reduction of Rent, except to

 
 
the extent, if any, otherwise expressly provided herein.  If Tenant shall fail to perform any obligation under this Lease, and such failure shall continue after
notice in excess of the time allowed under Section 19.1.2, above, unless a specific time period is otherwise stated in this Lease, Landlord may, but shall not
be obligated to, make any such payment or perform any such act on Tenant’s part without waiving its rights based upon any default of Tenant and without
releasing Tenant from any obligations hereunder.

26.2

Tenant’s Reimbursement.  Except as may be specifically provided to the contrary in this Lease, Tenant shall pay to Landlord,
upon  delivery  by  Landlord  to  Tenant  of  statements  therefor:    (i)  sums  equal  to  expenditures  reasonably  made  and  obligations  incurred  by  Landlord  in
connection with the remedying by Landlord of Tenant’s defaults pursuant to the provisions of Section 26.1; (ii) sums equal to all losses, costs, liabilities,
damages  and  expenses  referred  to  in  Article  10  of  this  Lease;  and  (iii)  sums  equal  to  all  expenditures  made  and  obligations  incurred  by  Landlord  in
collecting or attempting to collect the Rent or in enforcing or attempting to enforce any rights of Landlord under this Lease or pursuant to law, including,
without limitation, all reasonable legal fees and other amounts so expended.  Tenant’s obligations under this Section 26.2 shall survive the expiration or
sooner termination of the Lease Term.

27.

ENTRY BY LANDLORD

Provided, however, that any such entry by Landlord shall (i) remain subject to Tenant’s reasonable security and privacy measures; and (ii) not
unreasonably  interfere  with  Tenant’s  use  and  occupancy  of  the  Premises,  or  the  conduct  of  its  business  therein,  then  Landlord  reserves  the  right  at  all
reasonable times and upon not less than one (1) day’s prior written (e-mail is acceptable) notice to Tenant (except in the case of an emergency) to enter the
Premises to (i) inspect them; (ii) show the Premises to prospective purchasers, or to current or prospective mortgagees, ground or underlying lessors or
insurers  or,  during  the  last  nine  (9)  months  of  the  Lease  Term,  to  prospective  tenants;  (iii)  post  notices  of  nonresponsibility  (to  the  extent  applicable
pursuant to then Applicable Law); or (iv) alter, improve or repair the Premises or the Building, or for structural alterations, repairs or improvements to the
Building  or  the  Building’s  systems  and  equipment.    Provided  that  Landlord  employs  commercially  reasonable  efforts  to  minimize  interference  with  the
conduct of Tenant’s business in connection with entries into the Premises, Landlord may make any such entries without the abatement of Rent, except as
otherwise provided in this Lease, and shall take such reasonable steps as required to accomplish the stated purposes.  In an emergency, Landlord shall have
the right to use any means that Landlord may deem proper to open the doors in and to the Premises.  Any entry into the Premises by Landlord in the manner
hereinbefore described shall not be deemed to be a forcible or unlawful entry into, or a detainer of, the Premises, or an actual or constructive eviction of
Tenant from any portion of the Premises.

28.

TENANT PARKING

Tenant  shall  have  the  right,  without  the  payment  of  any  parking  charge  or  fee  (other  than  as  a  reimbursement  of  operating  expenses  to  the
extent allowed pursuant to the terms of Article 4 of this Lease, above), commencing on the Lease Commencement Date, to use the amount of unreserved
parking spaces set forth in Section 10 of the Summary, on a monthly basis throughout the Lease Term, which parking spaces shall pertain to the on-site
and/or off-site, as the case may be, parking facility (or facilities) which serve the Project.  Notwithstanding the foregoing, Tenant shall be responsible for
the full amount of any taxes imposed by any governmental authority in connection with the renting of such parking spaces by Tenant or the use of the
parking facility by Tenant.  Tenant’s continued right to use the parking spaces is conditioned upon Tenant abiding by all rules and regulations which are
prescribed from time to time for the orderly operation and use of the parking facility where the parking spaces are located (including any sticker or other
identification system established by Landlord and the prohibition of vehicle repair and maintenance activities in the parking facilities), and shall reasonably
cooperate in seeing that Tenant’s employees and visitors also comply with such rules and regulations.  Tenant’s use of the Project parking facility shall be at
Tenant’s sole risk and Tenant acknowledges and agrees that Landlord shall have no liability whatsoever for damage to the vehicles of Tenant, its employees
and/or visitors, or for other personal injury or property damage or theft relating to or connected with the parking rights granted herein or any of Tenant’s, its
employees’ and/or visitors’ use of the parking facilities.  

29.

MISCELLANEOUS PROVISIONS

29.1

Terms; Captions.   The  words  “Landlord”  and  “Tenant”  as  used  herein  shall  include  the  plural  as  well  as  the  singular.    The

necessary grammatical changes required to make the provisions hereof apply either to

 
 
corporations  or  partnerships  or  individuals,  men  or  women,  as  the  case  may  require,  shall  in  all  cases  be  assumed  as  though  in  each  case  fully
expressed.  The captions of Articles and Sections are for convenience only and shall not be deemed to limit, construe, affect or alter the meaning of such
Articles and Sections.

29.2

Binding Effect.  Subject to all other provisions of this Lease, each of the covenants, conditions and provisions of this Lease shall
extend to and shall, as the case may require, bind or inure to the benefit not only of Landlord and of Tenant, but also of their respective heirs, personal
representatives, successors or assigns, provided this clause shall not permit any assignment by Tenant contrary to the provisions of Article 14 of this Lease.

29.3

No Air Rights.  No rights to any view or to light or air over any property, whether belonging to Landlord or any other person, are
granted  to  Tenant  by  this  Lease.    If  at  any  time  any  windows  of  the  Premises  are  temporarily  darkened  or  the  light  or  view  therefrom  is  obstructed  by
reason  of  any  repairs,  improvements,  maintenance  or  cleaning  in  or  about  the    Project,  the  same  shall  be  without  liability  to  Landlord  and  without  any
reduction or diminution of Tenant’s obligations under this Lease.

29.4

Modification  of  Lease.    Should  any  current  or  prospective  mortgagee  or  ground  lessor  for  the  Building  or  Project  require  a
modification of this Lease, which modification will not cause an increased cost or expense to Tenant or in any other way materially and adversely change
the rights and obligations of Tenant hereunder, then and in such event, Tenant agrees that this Lease may be so modified and agrees to execute whatever
documents are reasonably required therefor and to deliver the same to Landlord within ten (10) business days following a request therefor.  At the request
of Landlord or any mortgagee or ground lessor, Tenant agrees to execute a short form of Lease and deliver the same to Landlord within ten (10) business
days following the request therefor.

29.5

Transfer of Landlord’s Interest.  Tenant acknowledges that Landlord has the right to transfer all or any portion of its interest in
the Project or Building and in this Lease, and Tenant agrees that in the event of any such transfer, Landlord shall automatically be released from all liability
under this Lease and Tenant agrees to look solely to such transferee for the performance of Landlord’s obligations hereunder after the date of transfer and
such transferee shall be deemed to have fully assumed and be liable for all obligations of this Lease to be performed by Landlord, including the return of
any Security Deposit, and Tenant shall attorn to such transferee.

29.6

Prohibition  Against  Recording.    In  the  event  this  Lease,  a  copy  or  any  notice  or  memorandum  thereof  shall  be  recorded  by
Tenant  without  Landlord’s  consent,  then  such  recording  shall  constitute  a  default  by  Tenant  under  Article  19  hereof  entitling  Landlord  to  immediately
terminate this Lease.  At the request of either Landlord or Tenant, the parties shall execute a memorandum of lease in recordable form containing such
information as is necessary to constitute a notice of lease under North Carolina law.  All costs of preparation and recording such notice shall be borne by the
party requesting the memorandum.  At the expiration or earlier termination of this Lease, Tenant shall provide Landlord with an executed termination of the
memorandum in recordable form, which obligation shall survive such expiration or earlier termination.

29.7

Landlord’s  Title.    Landlord’s  title  is  and  always  shall  be  paramount  to  the  title  of  Tenant.    Nothing  herein  contained  shall

empower Tenant to do any act which can, shall or may encumber the title of Landlord.

29.8

Relationship of Parties.  Nothing contained in this Lease shall be deemed or construed by the parties hereto or by any third party

to create the relationship of principal and agent, partnership, joint venturer or any association between Landlord and Tenant.

29.9

Application  of  Payments.    Landlord  shall  have  the  right  to  apply  payments  received  from  Tenant  pursuant  to  this  Lease,
regardless  of  Tenant’s  designation  of  such  payments,  to  satisfy  any  obligations  of  Tenant  hereunder,  in  such  order  and  amounts  as  Landlord,  in  its  sole
discretion, may elect.

29.10

Time  of  Essence.   Time  is  of  the  essence  with  respect  to  the  performance  of  every  provision  of  this  Lease  in  which  time  of

performance is a factor.

29.11

Partial Invalidity.  If any term, provision or condition contained in this Lease shall, to any extent, be invalid or unenforceable,

the remainder of this Lease, or the application of such term, provision or condition to

 
 
persons or circumstances other than those with respect to which it is invalid or unenforceable, shall not be affected thereby, and each and every other term,
provision and condition of this Lease shall be valid and enforceable to the fullest extent possible permitted by law.

29.12

No Warranty.  In executing and delivering this Lease, Tenant has not relied on any representations, including, but not limited to,
any  representation  as  to  the  amount  of  any  item  comprising  Additional  Rent  or  the  amount  of  the  Additional  Rent  in  the  aggregate  or  that  Landlord  is
furnishing the same services to other tenants, at all, on the same level or on the same basis, or any warranty or any statement of Landlord which is not set
forth herein or in one or more of the exhibits attached hereto.

29.13

Landlord Exculpation.  The liability of Landlord or the Landlord Parties to Tenant for any default by Landlord under this Lease
or  arising  in  connection  herewith  or  with  Landlord’s  operation,  management,  leasing,  repair,  renovation,  alteration  or  any  other  matter  relating  to  the
Project or the Premises shall be limited solely and exclusively to an amount which is equal to the interest of Landlord in the Building (including rental
income and insurance/condemnation proceeds).  Neither Landlord, nor any of the Landlord Parties shall have any personal liability therefor, and Tenant
hereby expressly waives and releases such personal liability on behalf of itself and all persons claiming by, through or under Tenant.  The limitations of
liability contained in this Section 29.13 shall inure to the benefit of Landlord’s and the Landlord Parties’ present and future partners, beneficiaries, officers,
directors,  trustees,  shareholders,  agents  and  employees,  and  their  respective  partners,  heirs,  successors  and  assigns.    Under  no  circumstances  shall  any
present or future partner of Landlord (if Landlord is a partnership), or trustee or beneficiary (if Landlord or any partner of Landlord is a trust), have any
liability for the performance of Landlord’s obligations under this Lease.  Notwithstanding any contrary provision herein, neither Landlord nor the Landlord
Parties, not Tenant (except with respect to any holdover tenancy) shall be liable under any circumstances for consequential or indirect damages, including
without limitation injury or damage to, or interference with, Tenant’s business, including but not limited to, loss of profits, loss of rents or other revenues,
loss of business opportunity, loss of goodwill or loss of use, in each case, however occurring.

29.14

Entire Agreement.  It is understood and acknowledged that there are no oral agreements between the parties hereto affecting
this  Lease  and  this  Lease  constitutes  the  parties’  entire  agreement  with  respect  to  the  leasing  of  the  Premises  and  supersedes  and  cancels  any  and  all
previous negotiations, arrangements, brochures, agreements and understandings, if any, between the parties hereto or displayed by Landlord to Tenant with
respect  to  the  subject  matter  thereof,  and  none  thereof  shall  be  used  to  interpret  or  construe  this  Lease.    None  of  the  terms,  covenants,  conditions  or
provisions of this Lease can be modified, deleted or added to except in writing signed by the parties hereto.

29.15

Right to Lease.  Landlord reserves the absolute right to effect such other tenancies in the Project as Landlord in the exercise of
its sole business judgment shall determine to best promote the interests of the Building or Project.  Tenant does not rely on the fact, nor does Landlord
represent, that any specific tenant or type or number of tenants shall, during the Lease Term, occupy any space in the Building or Project.

29.16

Force Majeure.  Any prevention, delay or stoppage due to strikes, lockouts, labor disputes, acts of God, acts of war, terrorist
acts,  governmental  action  or  inaction,  inability  to  obtain  services,  labor,  or  materials  or  reasonable  substitutes  therefor,  governmental  actions,  civil
commotions, fire or other casualty, and other causes beyond the reasonable control of the party obligated to perform, except with respect to the obligations
imposed with regard to Rent and other charges to be paid by Tenant pursuant to this Lease (collectively, a “Force Majeure”), notwithstanding anything to
the contrary contained in this Lease, shall excuse the performance of such party for a period equal to any such prevention, delay or stoppage and, therefore,
if this Lease specifies a time period for performance of an obligation of either party, that time period shall be extended by the period of any delay in such
party’s performance caused by a Force Majeure.

29.17

Waiver of Redemption by Tenant.  Tenant hereby waives, for Tenant and for all those claiming under Tenant, any and all rights
now or hereafter existing to redeem by order or judgment of any court or by any legal process or writ, Tenant’s right of occupancy of the Premises after any
termination of this Lease.

29.18

Notices.  All notices, demands, statements, designations, approvals  or other communications (collectively, “Notices”) given or
required to be given by either party to the other hereunder or by law shall be in writing, shall be (A) sent by United States certified or registered mail,
postage prepaid, return receipt requested (“Mail”), (B) delivered by a nationally recognized overnight courier, or (D) delivered personally.  Any Notice
shall be sent, transmitted, or delivered, as the case may be, to Tenant at the appropriate address set forth in Section 11 of the Summary, or to such other
place  as  Tenant  may  from  time  to  time  designate  in  a  Notice  to  Landlord,  or  to  Landlord  at  the  addresses  set  forth  below,  or  to  such  other  places  as
Landlord may from time to time designate in a Notice to Tenant.  Any Notice will be deemed given (i) upon receipt or refusal, (ii) the date the overnight
courier delivery is made, or (iii) the date personal delivery is made.  As of the date of this Lease, any Notices to Landlord must be sent, transmitted, or
delivered, as the case may be, to the following addresses:

 
 
DURHAM TW ALEXANDER, LLC
c/o Longfellow Real Estate Partners
260 Franklin Street, Suite 1920
Boston, MA 02110
Attention: Asset Management

And

David E. Wagner
K&L Gates LLP
4350 Lassiter at North Hills Avenue
Suite 300 (27609)
Post Office Box 17047
Raleigh, North Carolina 27619-7047

29.19

Joint and Several.  If there is more than one Tenant, the obligations imposed upon Tenant under this Lease shall be joint and

several.  

29.20

Authority.  Landlord and Tenant each hereby represents and warrants that it is a duly formed and existing entity qualified to do
business in the State of North Carolina and that said party has full right and authority to execute and deliver this Lease and that each person signing on
behalf of said party is authorized to do so.

29.21

Attorneys’  Fees.    In  the  event  that  either  Landlord  or  Tenant  should  bring  suit  for  the  possession  of  the  Premises,  for  the
recovery of any sum due under this Lease, or because of the breach of any provision of this Lease or for any other relief against the other, then all costs and
expenses, including reasonable attorneys’ fees, incurred by the prevailing party therein shall be paid by the other party, which obligation on the part of the
other  party  shall  be  deemed  to  have  accrued  on  the  date  of  the  commencement  of  such  action  and  shall  be  enforceable  whether  or  not  the  action  is
prosecuted to judgment.

29.22

Governing Law; WAIVER OF TRIAL BY JURY.  This Lease shall be construed and enforced in accordance with the laws of
the State of North Carolina.  Landlord and Tenant waive trial by jury in any action to which they are parties, and further agree that any action arising out of
this Lease (except an action for possession by Landlord, which may be brought in whatever manner or place provided by law) shall be brought in the Trial
Court, Superior Court Department, in the county where the Premises are located.

29.23

Submission of Lease.  Submission of this instrument for examination or signature by Tenant does not constitute a reservation of,

option for or option to lease, and it is not effective as a lease or otherwise until execution and delivery by both Landlord and Tenant.

29.24

Brokers.  Landlord and Tenant hereby warrant to each other that it has had no dealings with any real estate broker or agent in
connection with the negotiation of this Lease, excepting only the real estate brokers or agents specified in Section 13 of the Summary (the “Brokers”), and
that it knows of no other real estate broker or agent which represented said party who is entitled to a commission in connection with this Lease.  Landlord
and  Tenant  each  agree  to  indemnify  and  defend  each  other  against  and  hold  the  indemnified  party  harmless  from  any  and  all  claims,  demands,  losses,
liabilities,  lawsuits,  judgments,  costs  and  expenses  (including  without  limitation  reasonable  attorneys’  fees)  with  respect  to  any  leasing  commission  or
equivalent compensation alleged to be owing on account of any dealings with any real estate broker or agent, other than the Brokers, occurring by, through,
or under

 
 
 
 
the indemnifying party.  The terms of this Section 29.24 shall survive the expiration or earlier termination of the Lease Term.

29.25

Independent  Covenants.    This  Lease  shall  be  construed  as  though  the  covenants  herein  between  Landlord  and  Tenant  are
independent and not dependent and Tenant hereby expressly waives the benefit of any statute to the contrary and agrees that if Landlord fails to perform its
obligations set forth herein, Tenant shall not be entitled to make any repairs or perform any acts hereunder at Landlord’s expense or to any setoff of the
Rent or other amounts owing hereunder against Landlord.

29.26

Project or Building Name, Address and Signage.  Landlord shall have the right at any time to change the name and/or address
of the Project or Building and to install, affix and maintain any and all signs on the exterior and on the interior of the Project or Building as Landlord may,
in Landlord’s sole discretion, desire.  Tenant shall not use the name of the Project or Building or use pictures or illustrations of the Project or Building in
advertising or other publicity or for any purpose other than as the address of the business to be conducted by Tenant in the Premises, without the prior
written consent of Landlord.

29.27

Counterparts.  This Lease may be executed in counterparts with the same effect as if both parties hereto had executed the same

document.  Both counterparts shall be construed together and shall constitute a single lease.

29.28

Confidentiality.    Tenant  acknowledges  that  the  content  of  this  Lease  and  any  related  documents  are  confidential
information.  Tenant shall keep such confidential information confidential and shall not disclose such confidential information to any person or entity other
than Tenant’s lawyers, accountants, auditors, agents, lenders, and prospective purchasers/investors for reasonable business purposes.

29.29

Development of the Project.  

29.29.1

Subdivision.  Landlord reserves the right to subdivide all or a portion of the buildings and Common Areas.  Tenant
agrees to execute and deliver, upon demand by Landlord and in the form requested by Landlord, any additional documents needed to conform this Lease to
the circumstances resulting from a subdivision and any all maps in connection therewith.  Notwithstanding anything to the contrary set forth in this Lease,
the  separate  ownership  of  any  buildings  and/or  Common  Areas  by  an  entity  other  than  Landlord  shall  not  affect  the  calculation  of  Direct  Expenses  or
Tenant’s payment of Tenant’s Share of Direct Expenses.

29.29.2

Construction of Property and Other Improvements.  Tenant acknowledges that portions of the Project and/or
the Other Improvements may be under construction following Tenant’s occupancy of the Premises, and that such construction may result in levels of noise,
dust, obstruction of access, etc. which are in excess of that present in a fully constructed project.  Tenant hereby waives any and all rent offsets or claims of
constructive  eviction  which  may  arise  in  connection  with  such  construction.    Provided,  however,  that  Landlord  shall  use  good  faith  efforts  to  provide
Tenant with fourteen (14) days’ notice, which may be verbal, in advance of commencing any construction activities that Landlord anticipates could disrupt
Tenant’s use of the Premises, including a reasonable description of the scope of work to be performed and the anticipated duration of such activity.  At all
times Landlord shall use commercially reasonable efforts to minimize any disruption with the conduct of Tenant’s business within the Premises.  Upon
request from Tenant Landlord will inform Tenant of the general construction schedule for any work adjacent to the Premises or which adversely affects
access to the Premises.

29.30

No Violation.  Landlord and Tenant each hereby warrant and represent that neither its execution of nor performance under this
Lease shall cause said party to be in violation of any agreement, instrument, contract, law, rule or regulation by which said party is bound, and said party
shall  protect,  defend,  indemnify  and  hold  the  indemnified  party  harmless  against  any  claims,  demands,  losses,  damages,  liabilities,  costs  and  expenses,
including, without limitation, reasonable attorneys’ fees and costs, arising from the indemnifying party’s breach of this warranty and representation.

29.31

Communications and Computer Lines.  Tenant may install, maintain, replace, remove or use any communications or computer
wires and cables serving the Premises (collectively, the “Lines”), provided that (i) Tenant shall obtain Landlord’s prior written consent (which consent shall
not  be  unreasonably  withheld,  conditioned  or  delayed),  use  an  experienced  and  qualified  contractor  reasonably  approved  in  writing  by  Landlord,  and
comply with all of the other provisions of Articles 7 and 8 of this Lease.  Tenant shall pay all costs in connection therewith.  Landlord reserves the right,
upon notice to Tenant prior to the expiration or earlier termination of this Lease, to require that Tenant, at Tenant’s sole cost and expense, remove any Lines
located in or serving the Premises prior to the expiration or earlier termination of this Lease.

 
 
29.32

Transportation Management.  Tenant shall reasonably comply with all present or future programs intended to manage parking,
transportation  or  traffic  in  and  around  the  Project  and/or  the  Building,  and  in  connection  therewith,  Tenant  shall  take  responsible  action  for  the
transportation  planning  and  management  of  all  employees  located  at  the  Premises  by  working  directly  with  Landlord,  any  governmental  transportation
management organization or any other transportation-related committees or entities.  Such programs may include, without limitation: (i) restrictions on the
number of peak-hour vehicle trips generated by Tenant; (ii) increased vehicle occupancy; (iii) implementation of an in-house ridesharing program and an
employee  transportation  coordinator;  (iv)  working  with  employees  and  any  Project,  Building  or  area-wide  ridesharing  program  manager;  (v)  instituting
employer-sponsored incentives (financial or in-kind) to encourage employees to rideshare; and (vi) utilizing flexible work shifts for employees.

29.33

Guarantor.  Intentionally omitted.

29.34

REIT.  Tenant acknowledges that the Company, an affiliate of Landlord, elects to be taxed as a real estate investment trust (a
“REIT”) under the Code.  Tenant hereby agrees to modifications of this Lease required to retain or clarify the Company’s status as a REIT, provided such
modifications: (a) are reasonable, (b) do not adversely affect in a material manner Tenant’s use of the Premises as herein permitted, and (c) do not increase
the Base Rent, Additional Rent and other sums to be paid by Tenant or Tenant’s other obligations pursuant to this Lease, or reduce any rights of Tenant
under this Lease, then Landlord may submit to Tenant an amendment to this Lease incorporating such required modifications, and Tenant shall execute,
acknowledge and deliver such amendment to Landlord within ten (10) business days after Tenant’s receipt thereof.

29.35

Additional Storage.    Landlord  shall  provide  Tenant  with  access  to  and  use  an  exterior  storage  area  as  shown  on  Exhibit  I
(“Storage Area”).  Tenant shall use the Storage Area in compliance with all Environmental Laws and in compliance with Section 5.4 of this Lease.  Other
tenants may utilize other portions of the structure or area in which the Storage Area is located, provided that Tenant shall always have access to no less than
one-half of the capacity of the larger structure (as shown on Exhibit I).  Tenant shall not exceed its share of any storage allocation applicable to the Storage
Area, as reasonably determined by Landlord.  

29.36

Generator.  Subject to the provisions of this Section 29.36, Tenant shall be entitled to install, operate and maintain a generator
and any other equipment related thereto, including, without limitation, a fuel system, wiring and shaft space (“Generator”) next to the Building at Tenant’s
sole cost and expense (without paying any additional fee or rental to Landlord for the use thereof).  Prior to the installation of the Generator, Tenant shall
inspect the proposed location to determine a suitable location for the Generator, and Tenant shall submit written plans and specifications relative to the
type,  size  and  proposed  location  (including  any  proposed  screening)  of  the  Generator  to  Landlord  for  its  review  and  written  approval.   Tenant  shall  be
solely responsible for the cost of acquisition, installation, operation, and maintenance of the Generator; and Tenant shall install, maintain and operate the
Generator  in  accordance  with  all  federal,  state,  and  local  laws,  statutes,  ordinances,  rules  and  regulations,  including  without  limitation,  obtaining  and
maintaining  any  and  all  permits,  approvals  and  licenses  required  to  install  and  operate  the  Generator  by  any  governmental  authority  having
jurisdiction.    Landlord  and  Tenant  agree  that,  upon  the  expiration  of  earlier  termination  of  the  Lease  Term,  Tenant  shall  not  be  required  to  remove  the
Generator, any associated cabling, wiring and screening or other improvements.  Tenant shall not be entitled to grant or assign to any third party (other than
a  permitted  assignee  of  Tenant’s  rights  under  the  Lease  or  a  permitted  subtenant  relative  to  the  Premises  (or  a  portion  thereof))  the  right  to  use  the
Generator without Landlord’s prior written consent (which consent may be granted or withheld in Landlord’s discretion).  Upon reasonable advance notice
to Tenant (and provided Landlord reasonably coordinates with Tenant and provides an alternate source of backup generator capacity during said transition),
Landlord shall be entitled to cause the Generator to be moved to another location near the Building, at Landlord’s cost and expense. Tenant shall pay all
personal  property  taxes  on  the  Generator.    Tenant  shall  also  pay  any  increases  in  the  real  property  taxes  of  the  Building  due  to  the  installation  of  the
Generator within thirty (30) days of receipt of notice

 
 
from Landlord which includes proof of such increase in taxes.  Tenant’s indemnity obligations under Section 5.4.1.5 of the Lease, relating to the use of
Hazardous Materials, shall apply to the use and operation of the Generator.  Finally, Tenant’s insurance obligations under Section 10.3 of the Lease shall
apply to the Generator.

 
 
IN WITNESS WHEREOF, Landlord and Tenant have caused this Lease to be executed the day and date first above written.

LANDLORD:

TENANT:

DURHAM TW ALEXANDER, LLC,
a Delaware limited liability company

PRECISION BIOSCIENCES, INC.,
a Delaware corporation

By:

/s/ Jamison N. Peschel

By:

/s/ Matt Kane

Name:

Jamison N. Peschel

Its:

Authorized Signatory

By:

Name:

Its:

Name: Matt Kane

Its:

CEO

By:

Name:

Its:

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
EXHIBIT A

BIOPOINT INNOVATION LABS

FIRST OFFER SPACE

 
 
 
 
EXHIBIT B

NOTICE OF LEASE TERM DATES

To:

_______________________
_______________________
_______________________
_______________________

Re:

(“Landlord”),  and
Lease  dated  ____________,  20__  between  ____________________,  a  _____________________ 
_______________________,  a  _______________________  (“Tenant”)  concerning  Suite  ______  on  floor(s)  __________  of  the
office building located at [INSERT BUILDING ADDRESS].

Gentlemen:

In accordance with the Lease (the “Lease”), we wish to advise you and/or confirm as follows:

1.

2.

3.

4.

5.

6.

The  Lease  Term  shall  commence  on  or  has  commenced  on  _____________  for  a  term  of  _______________  ending  on
_______________.

Rent commenced to accrue on ____________, in the amount of ____________.

If the Lease Commencement Date is other than the first day of the month, the first billing will contain a pro rata adjustment.  Each
billing thereafter, with the exception of the final billing, shall be for the full amount of the monthly installment as provided for in
the Lease.

Your rent checks should be made payable to __________ at ______________.

The exact number of rentable/usable square feet within the Premises is _________ square feet.

Tenant’s Share as adjusted based upon the exact number of usable square feet within the Premises is ____________%.

“Landlord”:

a

By:

Its:

Agreed to and Accepted as
of

, 20

“Tenant”:

a

By:

Its:

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
EXHIBIT C

PREMISES

 
 
 
 
 
 
EXHIBIT D

TENANT WORK LETTER

This Tenant Work Letter sets forth the terms and conditions relating to the construction of the initial tenant improvements in the Premises.  This
Tenant Work Letter is essentially organized chronologically and addresses the issues of the construction of the Premises, in sequence, as such issues will
arise  during  the  actual  construction  of  the  Premises.   All  references  in  this  Tenant  Work  Letter  to  Articles  or  Sections  of  “this  Lease”  shall  mean  the
relevant  portion  of  the  Lease  to  which  this  Tenant  Work  Letter  is  attached  as  Exhibit  D  and  of  which  this  Tenant  Work  Letter  forms  a  part,  and  all
references in this Tenant Work Letter to Sections of “this Tenant Work Letter” shall mean the relevant portion of this Tenant Work Letter.

1.

LANDLORD’S INITIAL CONSTRUCTION IN THE PREMISES

1.1

Landlord Work.  Landlord shall, at Landlord’s sole cost and expense, complete the work described on the attached Attachment 1

(collectively, the “Landlord Work”).  The Landlord Work shall be performed in a first-class, workmanlike manner.  

2.

TENANT IMPROVEMENTS

2.1

Tenant  Improvements  Allowance.    Tenant  shall  be  entitled  to  a  tenant  improvement  allowance  (the  “Tenant  Improvements
Allowance”) in the maximum aggregate amount of  $1,220,720.00 (in a total amount equivolent to $70.58 per rentable square foot of the entire Premises
initially leased hereunder)  and adjusted based on the actual square footage) (the “Maximum Allowance Amount”) for the hard costs and customary soft
costs, as noted below, incurred by Tenant, including, without limitation,  architectural and engineering fees, construction contractor fees, Tenant’s project
management fees, a 2% fee  payable  to  Landlord  or  its  affiliates  for  oversight  and  administrative  costs  related  to  the  Tenant  Improvements  (“Landlord’s
Project Oversight Fee”), permits, and such other costs arising from or relating to the design and construction of Tenant’s improvements which are to be
permanently  affixed  to  the  Premises  in  accordance  with  this  Work  Letter  (the  “Tenant  Improvements”).    Landlord’s  Project  Oversight  Fee  shall  be
equivolent  to,  but  not  exceed,  a  total  of  2%  of  the  Tenant  Improvement  Allowance  paid  to  Tenant. For  the  avoidance  of  any  doubt,  the  purchase  and
installation of data and telecommunications cabling shall not be included in the definition of Tenant Improvements and there shall not be any Landlord’s
Project Oversight Fee payable with respect to costs and expenses related thereto. Tenant agrees to keep the Landlord advised as to the progress of the work
by providing copies of the Contractor’s applications for payment.  In no event shall Landlord be obligated to make disbursements pursuant to this Tenant
Work Letter in a total amount which exceeds the Maximum Allowance Amount.  All Tenant Improvements for which the Tenant Improvements Allowance
has been used to pay shall be deemed Landlord’s property under the terms of the Lease.

2.2

Disbursement  of  the  Tenant  Improvements  Allowance.    Except  as  otherwise  set  forth  in  this  Tenant  Work  Letter,  the  Tenant
Improvements  Allowance  shall  be  disbursed  by  Landlord  (each  of  which  disbursements  shall  be  made  pursuant  to  Landlord’s  reasonable  disbursement
process) for costs incurred by Tenant related to the design and construction of the Tenant Improvements and for the following items and costs (collectively,
the “Tenant Improvements Allowance Items”):  (i) payment of the fees of the “Architect” as that term is defined in Section 3.1 of this Tenant Work Letter
in  connection  with  the  preparation  and  review  of  the  “Construction Documents,”  as  that  term  is  defined  in  Section  3.1  of  this  Tenant  Work  Letter;  (ii)
payment  of  the  Landlord’s  Project  Oversight  Fee,  (iii)  the  cost  of  any  changes  to  the  Construction  Documents  or  Tenant  Improvements  required  by  all
applicable building codes (the “Code”) enacted after approval of the Construction Documents, (iv) costs payable to the Contractor and any subcontractors,
and (v) other costs incurred in connection with the Tenant Improvements to the extent the same can be paid using the Tenant Improvements Allowance
pursuant to the specific provisions of this Tenant Work Letter.

Once  Landlord  is  required  to  disburse  any  portion  of  the  Tenant  Improvement  Allowance  as  noted  herein,  Landlord  shall  disburse  the
applicable  portion  of  the  Tenant  Improvements  Allowance  within  thirty  (30)  calendar  days  of  receiving  from  Tenant  a  Payment  Request  (as  hereinafter
defined), an amount equal to the portion of the actual costs and expenses Tenant has incurred and paid in connection with the design and construction of the
Tenant

 
 
 
 
 
Improvements  to  date,  over  the  amount  Tenant  is  required  to  pay  as  noted  in  Section  4.3.1,  which  are  to  be  paid  for  from  the  Tenant  Improvement
Allowance provided the following conditions have been satisfied:

(1)
specifying the work which has been completed; and

Tenant has delivered to Landlord a payment request (“Payment Request”) in a form reasonably satisfactory to Landlord

substantially in the form of AIA Document G702 and AIA Document G703; and

(2)

Tenant’s  general  contractor  and/or  architect  shall  have  submitted  an  application  for  payment  and  sworn  statement

Tenant  has  submitted  to  Landlord  lien  waivers  or  partial  lien  waivers  from  all  contractors,  first  tier  subcontractors,
artchitects,  and  first  tier  materialmen  who  performed  such  work  to  cover  the  work  included  under  the  Payment  Request  and  all  prior  work  Tenant  was
required to pay for before utilizing the Tenant Improvements Allowance.

(3)

Notwithstanding anything herein to the contrary, the Tenant Improvements Allowance must be requested by Tenant, if at all, in accordance with
this paragraph on or before the date that is one year following the Rent Commencement Date, and any portion not requested by such date may no longer be
utilized by Tenant and shall be deemed forfeited to Landlord.

3.

CONSTRUCTION DOCUMENTS

3.1

Selection of Architect/Construction Documents.  Landlord consents to Tenant retaining Integrated Design, PA  (the “Architect”) to
prepare  the  “Construction  Documents,”  as  that  term  is  defined  in  this  Section  3.1  for  the  Tenant  Improvements,  together  with  the  consulting  engineers
selected by the Architect and reasonably approved by Landlord.  Tenant is not obligated to retain Integrated Design, PA and may retain another Architect or
Architects from time to time, provided, however, that any such other Architects shall be subject to Landlord’s reasonable approval.  The plans and drawings
to be prepared by Architect hereunder shall be known collectively as the “Construction Documents.”  All Construction Documents shall reasonably comply
with the drawing format and specifications as reasonably determined by Landlord, and shall be subject to Landlord’s and Tenant’s approval.  Landlord may
hire an architectural firm to conduct a peer review, and the fees associated with this peer review shall be paid from the Landlord’s Project Oversight Fee
and shall not result in an additional charge to Tenant.

Landlord  has  no  obligation  to  approve  any  Tenant  Change  or  any  Tenant  Improvements  not  shown  on  the  plans  previously  approved  by
Landlord and Tenant or reasonably inferable therefrom if, in Landlord’s reasonable judgment, such Tenant Improvements (i) would materially increase the
cost of performing any other work in the Building, not including the Tenant Improvements, unless in each case Tenant agrees to pay such costs based on
Landlord’s Change Estimate Notice (as defined below), (ii) are incompatible with the design, quality, equipment or systems of the Building or otherwise
require a change to the existing Building systems or structure, each in a manner that would not otherwise be required in connection with the improvements
contemplated by the Fit Plan (as defined below), (iii) is not consistent with the existing quality and nature of the Building, or (iv) otherwise do not comply
with the provisions of the Lease.

3.2

Final Space Plan.  Landlord and Tenant have reviewed and approved the preliminary space plan prepared by the Architect attached
as Attachment 3 hereto (the “Fit Plan”).  Tenant shall use commercially reasonable efforts to cause the Architect to prepare a space plan for the Premises
which  space  plan  shall  be  reasonably  consistent  with  the  Fit  Plan  and  shall  include  a  layout  and  designation  of  all  labs,  offices,  rooms  and  other
partitioning, their intended use, and equipment to be contained therein, and shall deliver the space plan to Landlord and Tenant for their approval. Landlord
and Tenant shall review and provide any changes to the space plan within five Business Days of receipt thereof.  Once Landlord and Tenant approve the
final space plan, the space plan shall be considered final (the “Final Space Plan”).  

3.3

Construction Documents.   Tenant  shall  cause    the  Architect  to  complete  final  Construction  Documents  consistent  with  the  Final
Space  Plan  and  shall  submit  the  same  to  Landlord  and  Tenant  for  their  approval.    Landlord  and  Tenant  shall  review  and  provide  any  changes  to  the
construction documents within five (5) Business Days of receipt thereof, and the Tenant shall use reasonable efforts to cause the Architect to prepare and
circulate

 
 
modified  documents  within  ten  (10)  Business  Days  of  its  receipt  of  any  requested  changes  from  Tenant  or  Landlord.  Such  process  of  submittal  and
response  within  the  time  frame  specified  in  the  preceding  sentence  shall  continue  until  each  of  Landlord  and  Tenant  gives  written  approval  to  such
documents, and the Construction Documents shall be considered final once approved by the Landlord and the Tenant. In no event may either Tenant or
Landlord require any changes that are inconsistent with the Final Space Plan.  The Construction Documents shall comply with Applicable Laws existing on
the  date  of  this  Tenant  Work  Letter  and  which  may  be  enacted  prior  to  approval  of  completed  Construction  Documents.  Subject  to  the  provisions  of
Sections  3.1  and  5.4  of  this  Work  Letter,  Tenant  may,  from  time  to  time,  by  written  request  to  Landlord  on  a  form  reasonably  specified  by  Landlord
(“Tenant  Change”),  request  a  change  in  the  Tenant  Improvements  shown  on  the  Construction  Documents,  which  Landlord  approval  shall  not  be
unreasonably withheld or conditioned, and shall be granted or denied within five (5) business days after delivery of such Tenant Change to Landlord.  

3.4

Permits.  The Construction Documents as approved (or deemed approved) pursuant to Section 3.3 shall be the “Approved Working
Drawings”.    Following  approval  or  deemed  approval  of  the  Cost  Proposal,  as  described  below,  Tenant  shall  promptly  thereafter  submit  or  cause  to  be
submitted, the Approved Working Drawings to the appropriate municipal authorities for all applicable building permits necessary to allow “Contractor,” as
that term is defined in Section 4.1, below, to commence and fully complete the construction of the applicable Tenant Improvements (the “Permits”).  

3.5

Time Deadlines.  Intentionally omitted.  

4.

CONSTRUCTION OF THE TENANT IMPROVEMENTS

4.1
Improvements.  

Contractor.   A  contractor  designated  by  Tenant  and  reasonably  approved  by  Landlord  (“Contractor”)  shall  construct  the  Tenant

4.2

Cost Proposal.  After the Approved Working Drawings are approved by Landlord and Tenant, Tenant shall provide Landlord with a
cost proposal (or cost proposals) in accordance with the Approved Working Drawings for Landlord’s approval, which approval shall not be unreasonably
withheld,  which  cost  proposal(s)  shall  include,  as  nearly  as  possible,  the  cost  of  all  Tenant  Improvements  Allowance  Items  to  be  incurred  by  Tenant  in
connection with the design and construction of the Tenant Improvements (the “Cost Proposal”).  Tenant will consult with Landlord prior to approving the
contractors to whom it will be bid and Landlord may review bid packages at Landlord’s written request.  The date on which Landlord approves the Cost
Proposal shall be known hereafter as the “Cost Proposal Delivery Date”.  

4.3

Construction of Tenant Improvements by Contractor.

4.3.1

Payment  of  Tenant  Improvements  Allowance.    Tenant  shall  be  responsible  to  fund  the  entire  cost  of  the  Tenant
Improvements less the amount of the Tenant Improvements Allowance prior to Landlord being required to fund any portion of the Tenant Improvements
Allowance.  Once Tenant has funded the required portion of the Tenant Improvements, as verified with paid invoices, then Tenant may submit a Payment
Request to Landlord seeking disbursement of the Tenant Improvements Allowance to fund Tenant Improvements costs incurred by Tenant up to but not to
exceed the full value of the Tenant Improvements Allowance.  Unless otherwise agreed by the parties, all Tenant Improvements paid for by the Tenant
Improvements Allowance shall be deemed Landlord’s property under the terms of the Lease.  Tenant hereby acknowledges and agrees that Tenant shall be
responsible for all costs associated with the Tenant Improvements to the extent the same exceed the Tenant Improvements Allowance.

4.3.2

Tenant’s Retention of Contractor. Tenant shall independently retain Contractor to construct the Tenant Improvements
in  accordance  with  the  applicable  Approved  Working  Drawings  and  the  applicable  Cost  Proposal.    Landlord  shall  be  entitled  to  review  the  Tenant’s
construction contract with the Contractor upon Landlord’s written request. Tenant shall be responsible to ensure the Contractor performs the construction
work in a good and workmanlike manner and shall endeavor to oversee the Contractor’s performance of its work to protect Landlord from construction
defects.

 
 
5.

COMPLETION OF THE TENANT IMPROVEMENTS;

LEASE COMMENCEMENT DATE

5.1

Substantial Completion.  Tenant shall give Landlord at least twenty (20) days prior written notice of the date that Tenant reasonably
anticipates that the Tenant Improvements will be Substantially Complete (as defined below).  For purposes of this Lease, “Substantial Completion” shall
occur upon the completion of the last of the following to occur: (i) the completion of construction of the Tenant Improvements substantially pursuant to the
Approved Working Drawings for such Tenant Improvements (each as reasonably determined by the Architect and Tenant), with the exception of any punch
list items which do not impair Tenant’s ability to occupy the Premises for their contemplated use, (ii) the acquisition of a certificate of occupancy or its
legal  equivalent  allowing  occupancy  of  the  Premises  (a  “Sign  Off”),  and  (iii)  delivery  of  a  certificate  of  substantial  completion  from  the  Architect
confirming the matters set forth in the foregoing clause (i).  In the event that the Sign Off is not a final certificate of occupancy, Tenant shall diligently
prosecute the work necessary to achieve a full certificate of occupancy and use commercially reasonable efforts to obtain such full certificate of occupancy
as soon as reasonably practicable following Substantial Completion.

5.2

Intentionally omitted.

5.3

Walk-through and Punchlist.  After the Tenant Improvements are Substantially Completed and prior to Tenant’s move-in into the
Premises,  following  two  (2)  days’  advance  written  notice  from  Tenant  to  Landlord,  Tenant  shall  cause  the  Contractor  to  inspect  the  Premises  with  a
representative of Landlord and complete a punch list of unfinished items of the Tenant Improvements.  After Landlord and Tenant have mutually agreed
upon the punch list, authorized representatives for Landlord and Tenant shall execute said punch list.  The items listed on such punch list shall be completed
by the Contractor within thirty (30) days after the approval of such punch list or as soon thereafter as reasonably practicable, provided that in the event a
punch  list  item  reasonably  requires  longer  than  thirty  (30)  days  to  complete,  then  Tenant  shall  cause  Contractor  to  commence  the  completion  of  such
particular item within thirty (30) days and diligently pursue the same to completion.  The terms of this Section 5.3 will not affect the occurrence of the
Substantial Completion of the Premises or the occurrence of the Rent Commencement Date.

5.4

5.5

Intentionally omitted.

Delay Not Caused by Parties.  Neither the Landlord nor Tenant shall be considered to be in default of the provisions of this Tenant

Work Letter for delays in performance due to Force Majeure.

5.6

5.7

Intentionally omitted.

Intentionally omitted.  

6.

MISCELLANEOUS

6.1

Tenant’s Entry Into the Premises.  As a condition to Tenant’s entry into the Premises, Tenant shall comply with and perform, and
shall cause its employees, agents, contractors, subcontractors, material suppliers and laborers to comply with and perform, all of Tenant’s insurance and
indemnity obligations and other obligations governing the conduct of Tenant at the Property under this Lease.  

Any independent contractor of Tenant (or any employee or agent of Tenant) performing any work or invasive inspections in the Premises shall
be reasonably subject to all of the terms, conditions and requirements contained in the Lease (including without limitation the provisions of Article 10) and,
prior  to  such  entry,  Tenant  shall  provide  Landlord  with  evidence  of  the  insurance  coverages  required  pursuant  to  Article  10.    Tenant  and  any  Tenant
contractor performing any work or invasive inspections in the Premises shall use reasonable efforts not to interfere in any way with construction of, and
shall not damage the Landlord Work or the common areas or other parts of the Building.  

6.2

Tenant’s  Representative.    Tenant  has  designated  Sinu  Bhandaru  and  Sam  Stubbs  as  its  sole  representatives  with  respect  to  the
matters set forth in this Tenant Work Letter, who, until further notice to Landlord, shall have full authority and responsibility to act on behalf of the Tenant
as required in this Tenant Work Letter.

 
 
 
6.3

Landlord’s Representative.  Landlord has designated J. Randal Long as its sole representative with respect to the matters set forth in
this Tenant Work Letter, who, until further notice to Tenant, shall have full authority and responsibility to act on behalf of the Landlord as required in this
Tenant Work Letter.

6.4

Intentionally omitted.  

6.5

General.  This Work Letter shall not be deemed applicable to any additional space added to the Premises at any time or from time
to time, whether by any options under the Lease or otherwise, or to any portion of the Premises or any additions to the Premises in the event of a renewal or
extension of the original Lease Term, whether by any options under the Lease or otherwise, unless and to the extent expressly provided in the Lease or any
amendment or supplement to the Lease that such additional space is to be delivered to Tenant in the same condition the initial Premises is to be delivered.

6.6

Insurance.  In addition to the requirements of Article 8.5 and Article 10 of this Lease, prior to the commencement of the Tenant
Improvements,  Tenant  shall  provide  Landlord  with  evidence  that  Tenant  carries  Builder’s  All  Risk  insurance  in  an  amount  reasonably  approved  by
Landlord covering the construction of such Tenant Improvements, and such other insurance as Landlord may reasonably require, it being understood and
agreed  that  all  of  such  Tenant  Improvements  shall  be  insured  by  Tenant  pursuant  to  Article 10  of  this  Lease  immediately  upon  completion  thereof.  In
addition, Tenant’s contractors, subcontractors, and architects shall be required to carry Commercial General Liability Insurance in an amount approved by
Landlord and otherwise in accordance with the requirements of Article 10 of this Lease and such general liability insurance shall name the Landlord Parties
as  additional  insureds.  In  addition,  Tenant’s  contractors  and  subcontractors  shall  be  required  to  carry  workers  compensation  insurance  with  a  waiver  of
subrogation in favor of Landlord Parties.

 
 
 
 
-Add one (1) 7’ x 22’ window to the Building which is similar to existing windows.
-Add one (1) 6’ x 8’ insulated electronically controlled roll-up door exiting onto the loading dock.

ATTACHMENT 1

LANDLORD’S WORK

 
 
 
 
 
 
 
ATTACHMENT 2

Intentionally omitted

 
 
 
 
 
 
ATTACHMENT 3

PRELIMINARY PLANS

[to be attached]

 
 
 
 
 
 
 
EXHIBIT E

RULES AND REGULATIONS

Tenant  shall  faithfully  observe  and  comply  with  the  following  Rules  and  Regulations.    Landlord  shall  not  be  responsible  to  Tenant  for  the
nonperformance  of  any  of  said  Rules  and  Regulations  by  or  otherwise  with  respect  to  the  acts  or  omissions  of  any  other  tenants  or  occupants  of  the
Project.  In the event of any conflict between the Rules and Regulations and the other provisions of this Lease, the latter shall control.

1.

Tenant  shall  not  alter  any  lock  or  install  any  new  or  additional  locks  or  bolts  on  any  doors  or  windows  of  the  Premises  without
obtaining  Landlord’s  prior  written  consent,  which  shall  not  be  unreasonably  withheld,  conditioned  or  delayed.  If  Tenant  shall  affix  additional  locks  on
doors then Tenant shall furnish Landlord with copies of keys or pass cards or similar devices for said locks.  Tenant shall bear the cost of any lock changes
or  repairs  required  by  Tenant.    Two  initial  keys  will  be  furnished  by  Landlord  for  the  Premises,  and  any  additional  keys  required  by  Tenant  must  be
obtained from Landlord at a reasonable cost to be established by Landlord.  Upon the termination of this Lease, Tenant shall restore to Landlord all keys of
stores, offices, and toilet rooms, either furnished to, or otherwise procured by, Tenant and in the event of the loss of keys so furnished, Tenant shall pay to
Landlord the cost of replacing same or of changing the lock or locks opened by such lost key if Landlord shall deem it necessary to make such changes.

2.

All doors opening to public corridors shall be kept closed at all times except for normal ingress and egress to the Premises.

3.

Landlord reserves the right to close and keep locked all entrance and exit doors of the Building during such hours as are customary
for comparable buildings in the vicinity of the Building.  Tenant, its employees and agents must be sure that the doors to the Building are securely closed
and locked when leaving the Premises if it is after the normal hours of business for the Building.  Any tenant, its employees, agents or any other persons
entering or leaving the Building at any time when it is so locked, or any time when it is considered to be after normal business hours for the Building, may
be  required  to  sign  the  Building  register.   Access  to  the  Building  may  be  refused  unless  the  person  seeking  access  has  proper  identification  or  has  a
previously arranged pass for access to the Building.  Landlord will furnish passes to persons for whom Tenant requests same in writing.  Tenant shall be
responsible for all persons for whom Tenant requests passes and shall be liable to Landlord for all acts of such persons.  The Landlord and his agents shall
in no case be liable for damages for any error with regard to the admission to or exclusion from the Building of any person.  In case of invasion, mob, riot,
public excitement, or other commotion, Landlord reserves the right to prevent access to the Building or the Project during the continuance thereof by any
means it deems appropriate for the safety and protection of life and property.

4.

Except for shipments by Tenant of its product or receipt by Tenant of goods in the ordinary course of the operation of its business, no
furniture,  freight  or  equipment  of  any  kind  shall  be  brought  into  the  Building  without  prior  notice  to  Landlord.   All  moving  activity  into  or  out  of  the
Building shall be scheduled with Landlord and done only at such time and in such manner as Landlord reasonably designates.  Landlord shall have the right
to prescribe the weight, size and position of all safes and other heavy property brought into the Building and also the times and manner of moving the same
in and out of the Building.  Safes and other heavy objects shall, if considered necessary by Landlord, stand on supports of such thickness as is necessary to
properly distribute the weight.   Landlord will not be responsible for loss of or damage to any such safe or property in any case.  Any damage to any part of
the Building, its contents, occupants or visitors by moving or maintaining any such safe or other property shall be the sole responsibility and expense of
Tenant.

5.

Intentionally omitted.

6.

The  requirements  of  Tenant  will  be  attended  to  only  upon  application  at  the  management  office  for  the  Project  or  at  such  office
location  designated  by  Landlord.    Employees  of  Landlord  shall  not  perform  any  work  or  do  anything  outside  their  regular  duties  unless  under  special
instructions from Landlord.

 
 
 
7.

No sign, advertisement, notice or handbill shall be exhibited, distributed, painted or affixed by Tenant on any part of the Premises or
the Building without the prior written consent of the Landlord.  Tenant shall not disturb, solicit, peddle, or canvass any occupant of the Project and shall
cooperate with Landlord and its agents of Landlord to prevent same.

8.

The  toilet  rooms,  urinals,  wash  bowls  and  other  apparatus  shall  not  be  used  for  any  purpose  other  than  that  for  which  they  were
constructed, and no foreign substance of any kind whatsoever shall be thrown therein.  The expense of any breakage, stoppage or damage resulting from
the violation of this rule shall be borne by the tenant who, or whose servants, employees, agents, visitors or licensees shall have caused same.

9. 

Discharge of industrial sewage to the Building plumbing system shall only be permitted if Tenant, at its sole expense, shall have

obtained all necessary permits and licenses therefor, including without limitation permits from state and local authorities having jurisdiction thereof.

10.

Tenant  shall  not  overload  the  floor  of  the  Premises,  nor  mark,  drive  nails  or  screws,  or  drill  into  the  partitions,  woodwork  or
drywall or in any way deface the Premises or any part thereof without Landlord’s prior written consent; provided, however, that Landlord’s prior written
consent  shall  not  be  required  for  the  hanging  of  normal  and  customary  office  artwork  and  personal  items.   Tenant  shall  not  purchase  spring  water,  ice,
towel, linen, maintenance or other like services from any person or persons not included on an approved list that Landlord shall provide to Tenant upon
request. Landlord reserves the right to have Landlord’s structural engineer review Tenant’s floor loads on the Building at Landlord’s expense, unless such
study reveals that Tenant has exceeded the floor loads, in which case Tenant shall pay the cost of such survey.  

11.

Except for vending machines intended for the sole use of Tenant’s employees and invitees, no vending machine or machines other

than fractional horsepower office machines shall be installed, maintained or operated upon the Premises without the written consent of Landlord.

12.

Tenant  shall  not  use  or  keep  in  or  on  the  Premises,  the  Building,  or  the  Project  any  kerosene,  gasoline  or  other  inflammable  or

combustible fluid, chemical, substance or material.

13.

Tenant shall not without the prior written consent of Landlord (not to be unreasonably withheld, conditioned, or delayed) use any

method of heating or air conditioning other than that supplied by Landlord (other than as part of the Tenant Improvements).

14.

Tenant shall not use, keep or permit to be used or kept, any foul or noxious gas or substance in or on the Premises, or permit or
allow the Premises to be occupied or used in a manner offensive or objectionable to Landlord or other occupants of the Project by reason of noise, odors, or
vibrations, or interfere with other tenants or those having business therein, whether by the use of any musical instrument, radio, phonograph, or in any other
way.  Tenant shall not throw anything out of doors, windows or skylights or down passageways.

15.

Tenant shall not bring into or keep within the Project, the Building or the Premises any animals (other than service animals), birds,

aquariums, or, except in areas designated by Landlord, bicycles or other vehicles.

16.

No cooking shall be done or permitted on the Premises, nor shall the Premises be used for the storage of merchandise, for lodging
or  for  any  improper,  objectionable  or  immoral  purposes.    Notwithstanding  the  foregoing,  Underwriters’  laboratory-approved  equipment  and  microwave
ovens may be used in the Premises for heating food and brewing coffee, tea, hot chocolate and similar beverages for employees and visitors, provided that
such use is in accordance with all applicable federal, state, county and city laws, codes, ordinances, rules and regulations.

17.

The Premises shall not be used for manufacturing or for the storage of merchandise except as such storage may be incidental to the
use  of  the  Premises  provided  for  in  the  Summary.    Tenant  shall  not  occupy  or  permit  any  portion  of  the  Premises  to  be  occupied  as  an  office  for  a
messenger-type operation or dispatch office, public stenographer or typist, or for the manufacture or sale of liquor, narcotics, or tobacco in any form, or as a
medical office, or as a barber or manicure shop, or as an employment bureau without the express prior written consent of

 
 
Landlord.  Tenant shall not engage or pay any employees on the Premises except those actually working for such tenant on the Premises nor advertise for
laborers giving an address at the Premises.

18.

Landlord reserves the right to exclude or expel from the Project any person who, in the judgment of Landlord, is intoxicated or

under the influence of liquor or drugs, or who shall in any manner do any act in violation of any of these Rules and Regulations.

19.

Tenant,  its  employees  and  agents  shall  not  loiter  in  or  on  the  entrances,  corridors,  sidewalks,  lobbies,  courts,  halls,  stairways,
vestibules or any Common Areas for the purpose of smoking tobacco products or for any other purpose, nor in any way obstruct such areas, and shall use
them only as a means of ingress and egress for the Premises.

20.

Tenant shall not waste electricity, water or air conditioning and agrees to reasonably cooperate with Landlord to ensure the most

effective operation of the Building’s heating and air conditioning system, and shall refrain from attempting to adjust any controls.

21.

Tenant shall store all its trash and garbage within the interior of the Premises.  No material shall be placed in the trash boxes or
receptacles if such material is of such nature that it may not be disposed of in the ordinary and customary manner of removing and disposing of trash and
garbage  in  the  city  in  which  the  Building  is  located  without  violation  of  any  law  or  ordinance  governing  such  disposal.   All  trash,  garbage  and  refuse
disposal shall be made only through entry-ways provided for such purposes at such times as Landlord shall designate.

22.

Tenant  shall  comply  with  all  safety,  fire  protection  and  evacuation  procedures  and  regulations  established  by  Landlord  or  any

governmental agency.

23.

Any  persons  employed  by  Tenant  to  do  janitorial  work  shall  be  subject  to  the  prior  written  approval  of  Landlord  (not  to  be
unreasonably  withheld,  conditioned,  or  delayed),  and  while  in  the  Building  and  outside  of  the  Premises,  shall  be  subject  to  and  under  the  control  and
direction of the Building manager (but not as an agent or servant of such manager or of Landlord), and Tenant shall be responsible for all acts of such
persons.

24.

No awnings or other projection shall be attached to the outside walls of the Building without the prior written consent of Landlord
(not to be unreasonably withheld, conditioned, or delayed), and no curtains, blinds, shades or screens shall be attached to or hung in, or used in connection
with, any window or door of the Premises other than Landlord standard drapes.  All electrical ceiling fixtures hung in the Premises or spaces along the
perimeter  of  the  Building  must  be  fluorescent  and/or  of  a  quality,  type,  design  and  a  warm  white  bulb  color  approved  in  advance  in  writing  by
Landlord.  Neither the interior nor exterior of any windows shall be coated or otherwise sunscreened without the prior written consent of Landlord.  Tenant
shall abide by Landlord’s regulations concerning the opening and closing of window coverings which are attached to the windows in the Premises, if any,
which have a view of any interior portion of the Building or Building Common Areas.

25.

The sashes, sash doors, skylights, windows, and doors that reflect or admit light and air into the halls, passageways or other public

places in the Building shall not be covered or obstructed by Tenant, nor shall any bottles, parcels or other articles be placed on the windowsills.

Landlord.

26.

27.

Tenant  must  comply  with  requests  by  the  Landlord  concerning  the  informing  of  their  employees  of  items  of  importance  to  the

No smoking is permitted in the Building or on the Project.

28.

Tenant  hereby  acknowledges  that  Landlord  shall  have  no  obligation  to  provide  guard  service  or  other  security  measures  for  the
benefit  of  the  Premises,  the  Building  or  the  Project.    Tenant  hereby  assumes  all  responsibility  for  the  protection  of  Tenant  and  its  agents,  employees,
contractors,  invitees  and  guests,  and  the  property  thereof,  from  acts  of  third  parties,  including  keeping  doors  locked  and  other  means  of  entry  to  the
Premises closed, whether or not Landlord, at its option, elects to provide security protection for the Project or any portion thereof.  Tenant further assumes
the risk that any safety and security devices, services and programs which Landlord elects, in its sole discretion, to provide may not be effective, or may
malfunction or be circumvented by an unauthorized third

 
 
party,  and  Tenant  shall,  in  addition  to  its  other  insurance  obligations  under  this  Lease,  obtain  its  own  insurance  coverage  to  the  extent  Tenant  desires
protection  against  losses  related  to  such  occurrences.    Tenant  shall  cooperate  in  any  reasonable  safety  or  security  program  developed  by  Landlord  or
required by law.

29.

All  non-standard  office  equipment  of  any  electrical  or  mechanical  nature  shall  be  placed  by  Tenant  in  the  Premises  in  settings

approved by Landlord, to absorb or prevent any vibration, noise and annoyance.

30.

Tenant shall not use in any space or in the public halls of the Building, any hand trucks except those equipped with rubber tires and

rubber side guards.

31.
written consent of Landlord.

No  auction,  liquidation,  fire  sale,  going-out-of-business  or  bankruptcy  sale  shall  be  conducted  in  the  Premises  without  the  prior

32.

No tenant shall use or permit the use of any portion of the Premises for living quarters, sleeping apartments or lodging rooms.

Landlord reserves the right at any time to change or rescind any one or more of these Rules and Regulations, or to make such other and further
reasonable Rules and Regulations as in Landlord’s judgment may from time to time be necessary for the management, safety, care and cleanliness of the
Premises, Building, the Common Areas and the Project, and for the preservation of good order therein, as well as for the convenience of other occupants
and tenants therein.  Landlord may waive any one or more of these Rules and Regulations for the benefit of any particular tenants, but no such waiver by
Landlord shall be construed as a waiver of such Rules and Regulations in favor of any other tenant, nor prevent Landlord from thereafter enforcing any
such Rules or Regulations against any or all tenants of the Project.  Tenant shall be deemed to have read these Rules and Regulations and to have agreed to
abide by them as a condition of its occupancy of the Premises.

 
 
 
EXHIBIT F

[Property Center Name]

FORM OF TENANT’S ESTOPPEL CERTIFICATE

The  undersigned  as  Tenant  under  that  certain  Lease  (the  “Lease”)  made  and  entered  into  as  of  ___________,  201_  by  and  between
_______________ as Landlord, and the undersigned as Tenant, for Premises on the ______________ floor(s) of the office building located at [INSERT
BUILDING ADDRESS], certifies as follows:

1.

Attached hereto as Exhibit F is a true and correct copy of the Lease and all amendments and modifications thereto.  The documents

contained in Exhibit F represent the entire agreement between the parties as to the Premises.

2.

The undersigned currently occupies the Premises described in the Lease, the Lease Term commenced on __________, and the Lease
Term  expires  on  ___________,  and  the  undersigned  has  no  option  to  terminate  or  cancel  the  Lease  or  to  purchase  all  or  any  part  of  the  Premises,  the
Building and/or the Project.

Exhibit F.

3.

4.

5.

Base Rent became payable on ____________.

The  Lease  is  in  full  force  and  effect  and  has  not  been  modified,  supplemented  or  amended  in  any  way  except  as  provided  in

Tenant has not transferred, assigned, or sublet any portion of the Premises nor entered into any license or concession agreements

with respect thereto except as follows:

6.

7.

Intentionally Omitted.

All monthly installments of Base Rent, all Additional Rent and all monthly installments of estimated Additional Rent have been paid

when due through ___________.  The current monthly installment of Base Rent is $_____________________.

8.

All  conditions  of  the  Lease  to  be  performed  by  Landlord  necessary  to  the  enforceability  of  the  Lease  have  been  satisfied  and,  to
Tenant’s actual knowledge, Landlord is not in default thereunder.  In addition, the undersigned has not delivered any notice to Landlord regarding a default
by Landlord thereunder.  

9.
in the Lease.  

No rental has been paid more than thirty (30) days in advance and no security has been deposited with Landlord except as provided

10.

As of the date hereof, there are no existing defenses or offsets, or, to the undersigned’s knowledge, claims or any basis for a claim,

that the undersigned has against Landlord.

11.

If Tenant is a corporation or partnership, each individual executing this Estoppel Certificate on behalf of Tenant hereby represents
and  warrants  that  Tenant  is  a  duly  formed  and  existing  entity  qualified  to  do  business  in  North  Carolina  and  that  Tenant  has  full  right  and  authority  to
execute and deliver this Estoppel Certificate and that each person signing on behalf of Tenant is authorized to do so.

12.

There are no actions pending against the undersigned under the bankruptcy or similar laws of the United States or any state.

13.

To Tenant’s actual knowledge, Tenant is in full compliance with all federal, state and local laws, ordinances, rules and regulations
affecting its use of the Premises, including, but not limited to, those laws, ordinances, rules or regulations relating to hazardous or toxic materials.  Tenant
has never permitted or suffered, nor does Tenant have any knowledge of, the generation, manufacture, treatment, use, storage, disposal or discharge of any
hazardous,

 
 
 
toxic or dangerous waste, substance or material in, on, under or about the Project or the Premises or any adjacent premises or property in violation of any
federal, state or local law, ordinance, rule or regulation.

14.

To the undersigned’s knowledge, all tenant improvement work to be performed by Landlord under the Lease has been completed in
accordance with the Lease and has been accepted by the undersigned and all reimbursements and allowances due to the undersigned under the Lease in
connection with any tenant improvement work have been paid in full.  All work (if any) in the common areas required by the Lease to be completed by
Landlord has been completed and all parking spaces required by the Lease have been furnished and/or all parking ratios required by the Lease have been
met.

The  undersigned  acknowledges  that  this  Estoppel  Certificate  may  be  delivered  to  Landlord  or  to  a  prospective  mortgagee  or  prospective
purchaser, and acknowledges that said prospective mortgagee or prospective purchaser will be relying upon the statements contained herein in making the
loan or acquiring the property of which the Premises are a part and that receipt by it of this certificate is a condition of making such loan or acquiring such
property.

Executed at ______________ on the ____ day of ___________, 201__.

“Tenant”:

a

By:

By:

Its:

Its:

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
EXHIBIT G

[Property Center Name]

ENVIRONMENTAL QUESTIONNAIRE

ENVIRONMENTAL QUESTIONNAIRE
FOR COMMERCIAL AND INDUSTRIAL PROPERTIES

Property Name:

Property Address:

operations for the specified building/location.  Please print clearly and attach additional sheets as necessary.

Instructions:    The  following  questionnaire  is  to  be  completed  by  the  Lessee  representative  with  knowledge  of  the  planned

1.0

PROCESS INFORMATION

Describe planned use, and include brief description of manufacturing processes employed.

2.0

HAZARDOUS MATERIALS

Are hazardous materials used or stored?  If so, continue with the next question.  If not, go to Section 3.0.

2.1

Are any of the following materials handled on the Property?Yes ☐ No ☐

(A material is handled if it is used, generated, processed, produced, packaged, treated, stored, emitted, discharged, or disposed.)  If so, complete
this section.  If this question is not applicable, skip this section and go on to Section 5.0.

☐ Explosives
☐ Solvents
☐ Acids
☐ Gases
☐ Other (please specify)

☐ Fuels
☐ Oils
☐ Oxidizers ☐ Organics/Inorganics
☐ Bases
☐ PCBs

☐ Pesticides
☐ Radioactive Materials

22.

If any of the groups of materials checked in Section 2.1, please list the specific material(s), use(s), and quantity of each chemical used or stored
on  the  site  in  the  Table  below.    If  convenient,  you  may  substitute  a  chemical  inventory  and  list  the  uses  of  each  of  the  chemicals  in  each
category separately.

Material

Physical State (Solid, Liquid, or Gas)

Usage

Container Size

Number of Containers

Total Quantity

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
23.

Describe the planned storage area location(s) for these materials.  Please include site maps and drawings as appropriate.

3.0

HAZARDOUS WASTES

Are hazardous wastes generated?

Yes ☐ No ☐

If yes, continue with the next question.  If not, skip this section and go to section 4.0.

3.1

Are any of the following wastes generated, handled, or disposed of (where applicable) on the Property?

☐ Hazardous wastes
☐ Waste oils
☐ Air emissions
☐ Regulated Wastes

☐ Industrial Wastewater
☐ PCBs
☐ Sludges
☐ Other (please specify)

32.

List and quantify the materials identified in Question 3‑1 of this section.

WASTE GENERATED

RCRA listed Waste?

SOURCE

APPROXIMATE MONTHLY QUANTITY

WASTE CHARACTERIZATION

DISPOSITION

33.

Please include name, location, and permit number (e.g. EPA ID No.) for transporter and disposal facility, if applicable).  Attach separate pages
as necessary.

Transporter/Disposal Facility Name

Facility Location

Transporter (T) or Disposal (D) Facility

Permit Number

34.

35.

4.0

4.1

Are pollution controls or monitoring employed in the process to prevent or minimize the release of wastes into the environment?Yes ☐ No ☐

If so, please describe.

USTS/ASTS

Are underground storage tanks (USTs), aboveground storage tanks (ASTs), or associated pipelines used for the storage of petroleum products,
chemicals, or liquid wastes present on site (lease renewals) or required for planned operations (new tenants)?Yes___No___

If not, continue with section 5.0.  If yes, please describe capacity, contents, age, type of the USTs or ASTs, as well any associated leak detection/spill prevention measures.  Please
attach additional pages if necessary.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Capacity Contents Year Installed

Type (Steel, Fiberglass, etc)

Associated Leak Detection / Spill Prevention Measures*

*Note:

42.

43.

44.

The following are examples of leak detection / spill prevention measures:
Integrity testing
Overfill spill protection

Inventory reconciliation
Secondary containment

Leak detection system
Cathodic protection

Please provide copies of written tank integrity test results and/or monitoring documentation, if available.

Is the UST/AST registered and permitted with the appropriate regulatory agencies?Yes ☐ No ☐
If so, please attach a copy of the required permits.

If this Questionnaire is being completed for a lease renewal, and if any of the USTs/ASTs have leaked, please state the substance released, the
media(s) impacted (e.g., soil, water, asphalt, etc.), the actions taken, and all remedial responses to the incident.

45.

If this Questionnaire is being completed for a lease renewal, have USTs/ASTs been removed from the Property?Yes ☐ No ☐

If yes, please provide any official closure letters or reports and supporting documentation (e.g., analytical test results, remediation report results, etc.).

46.

For Lease renewals, are there any above or below ground pipelines on site used to transfer chemicals or wastes?Yes ☐ No ☐

For new tenants, are installations of this type required for the planned operations?

If yes to either question, please describe.

Yes ☐ No ☐

5.0

ASBESTOS CONTAINING BUILDING MATERIALS

Please be advised that an asbestos survey may have been performed at the Property.  If provided, please review the information that identifies the locations
of known asbestos containing material or presumed asbestos containing material.  All personnel and appropriate subcontractors should be notified of the
presence of these materials, and informed not to disturb these materials.  Any activity that involves the disturbance or removal of these materials must be
done by an appropriately trained individual/contractor.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
6.0

61.

62.

REGULATORY

Does the operation have or require a National Pollutant Discharge Elimination System (NPDES) or equivalent permit?Yes ☐ No ☐

If so, please attach a copy of this permit.

Has a Hazardous Materials Business Plan been developed for the site?Yes ☐ No ☐
If so, please attach a copy.

CERTIFICATION

I am familiar with the real property described in this questionnaire.  By signing below, I represent and warrant that the answers to the above questions are
complete and accurate to the best of my knowledge.  I also understand that Lessor will rely on the completeness and accuracy of my answers in assessing
any environmental liability risks associated with the property.

Signature:

Name:

Title:

Date:

Telephone:

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
EXHIBIT H  

RESPONSIBILITY MATRIX

 
 
 
 
 
EXHIBIT I

STORAGE AREA

Error! Unknown document property name.

2

 
 
 
 
THIS FIRST AMENDMENT TO LEASE (this “Amendment”) is made and entered into as of the 23 day of December 2019 (the “Effective
Date”), by and between DURHAM TW ALEXANDER, LLC, a Delaware limited liability company (“Landlord”), and PRECISION BIOSCIENCES,
INC., a Delaware corporation (formerly a North Carolina corporation) (“Tenant”).

FIRST AMENDMENT TO LEASE

STATEMENT OF PURPOSE

WHEREAS, Landlord and Tenant entered into that certain Lease dated October 2, 2018 (the “Existing Lease”), for certain premises containing
approximately  17,296  rentable  square  feet  on  the  first  (1st)  floor  (the  “Existing Premises”)  located  in  the  building  known  as  Biopoint  Innovation  Labs
located at 20 TW Alexander Drive, Research Triangle Park, North Carolina 27709 (the “Building”), as more particularly described in the Lease.

WHEREAS, Landlord and Tenant desire to amend the terms of the Existing Lease: (i) to expand the Existing Premises, (ii) to extend the Lease
Term, and (iii) to modify certain other terms of the Lease.  For purposes hereof, the Existing Lease as amended by this Amendment is referred to as the
“Lease.”  All capitalized terms not otherwise defined herein shall have the meanings set forth in the Existing Lease.

NOW, THEREFORE, in consideration of the statement of purpose, the mutual covenants contained herein and other valuable consideration, the

receipt of which is hereby acknowledged, the parties hereto agree as follows:

1.

2.

Recitals.  The recitals shall form a part of this Amendment.

Expansion of the Premises.  

(a)

Tenant  desires  to  expand  the  Existing  Premises  to  include  an  additional  approximately  16,339  rentable  square  feet
commonly known as Suite 140 located in the first (1st) floor of the Building, all as further shown on Exhibit A attached hereto and incorporated herein by
reference  (the  “Expansion  Premises”).    For  avoidance  of  ambiguity,  Section  1.2  of  the  Existing  Lease  shall  also  apply  to  the  measurement  of  the
Expansion Premises.  Effective as of the Expansion Premises Rent Commencement Date (as defined in Section 2(b) below), the Existing Premises shall be
expanded by adding the Expansion Premises and the term “Premises” under the Lease shall be redefined to be that area shown on Exhibit A as the Existing
Premises plus the Expansion Premises, totaling approximately 33,635 rentable square feet of space (the “Revised Premises”).

(b)

The Expansion Premises shall be added to the Lease on the “Expansion Premises Rent Commencement Date” which
shall  be  defined  as  the  earlier  of:  (i)  delivery  of  the  certificate  of  occupancy  for  the  Expansion  Premises;  or  (ii)  July  1,  2020.    Notwithstanding  the
foregoing,  Landlord  shall  allow  limited  beneficial  occupancy  of  up  to  ten  (10)  Tenant  employees  in  that  area  of  the  Expansion  Premises  as  shown  on
Exhibit D (“Limited Occupancy Space”).  Tenant shall ensure that such limited beneficial occupancy falls under an existing certificate of occupancy and
complies with any and all occupancy laws and applicable regulations.

3.

First Extension Term.  

The Lease Term for the Existing Premises is hereby extended for a period commencing on the Expansion Premises Rent
Commencement Date and expiring on August 31, 2027 (the “First Extension Term Expiration Date”), which comprises a period of approximately eighty-
six (86) months (the “Existing Premises Extension Term”).

(a)

The  Lease  Term  with  respect  to  the  Expansion  Premises  shall  commence  on  the  Expansion  Premises  Rent
Commencement  Date  and  shall  expire  on  the  First  Extension  Term  Expiration  Date  (the  “Expansion  Premises  Term”  and  together  with  the  Existing
Premises Extension Term, collectively, the “First Extension Term”).

(b)

the Lease remains in full force and effect and is not modified by this Amendment.  

(c)

Landlord and Tenant hereby acknowledge that Tenant’s option to extend the Lease Term as set forth in Section 2.2 of

Error! Unknown document property name.

3

 
 
 
4.

Base Rent.  

As of the Effective Date Tenant shall pay Base Rent for the Existing Premises in accordance with the following rent
schedule. (The schedule below is the same as the Base Rent schedule listed in the Existing Lease with an extended period added
to cover the full First Extension Term):

(a)

Time Period

Annual Base Rent

07/01/2019 - 06/30/2020
07/01/2020 - 06/30/2021
07/01/2021 - 06/30/2022
07/01/2022 - 06/30/2023
07/01/2023 - 06/30/2024
07/01/2024 - 06/30/2025
07/01/2025 - 06/30/2026
07/01/2026 - 06/30/2027
07/01/2027 - 08/31/2027

$449,696.04
$463,186.92
$477,023.64
$491,379.36
$506,080.92
$521,301.48
$537,040.80
$553,126.08
$569,730.24

Monthly Installment
of Base Rent
$37,474.67
$38,598.91
$39,751.97
$40,948.28
$42,173.41
$43,441.79
$44,753.40
$46,093.84
$47,477.52

Annual Base Rent
per Rentable Square Foot
$26.00
$26.78
$27.58
$28.41
$29.26
$30.14
$31.05
$31.98
$32.94

Notwithstanding  anything  contained  in  the  Lease  to  the  contrary,  commencing  on  the  Expansion  Premises  Rent
Commencement Date and continuing through the First Extension Term Expiration Date, Tenant shall, at the time and in the manner provided in the Lease,
pay to Landlord as Base Rent for the Expansion Premises, the amounts set forth in the following rent schedule, plus any applicable tax thereon:

(b)

Time Period*

Annual Base Rent

Monthly Installment
of Base Rent

Annual Base Rent
per Rentable Square Foot

07/01/2020 - 06/30/2021**
07/01/2021 - 06/30/2022

07/01/2022 - 06/30/2023

07/01/2023 - 06/30/2024

07/01/2024 - 06/30/2025

07/01/2025 - 06/30/2026

07/01/2026 - 06/30/2027

07/01/2027 - 08/31/2027

$457,491.96

$471,216.72

$485,431.68

$499,973.40

$514,841.88

$530,364.00

$546,212.76

$562,715.16

$38,124.33

$39,268.06

$40,452.64

$41,664.45

$42,903.49

$44,197.00

$45,517.73

$46,892.93

$28.00

$28.84

$29.71

$30.60

$31.51

$32.46

$33.43

$34.44

*Note:    Notwithstanding  the  above  table,  the  dates  of  the  time  periods  set  forth  therein  will  be  adjusted  based  on  the  actual  Expansion  Premises  Rent
Commencement Date if such date occurs on a date earlier than July 1, 2020, but the final date shall remain the same.

**Note:  Provided Tenant is not in monetary default of the terms of this Lease, after expiration of any applicable notice and cure period, Tenant shall have
no obligation to pay any Base Rent attributable to: (i) the first two (2) months of for the Expansion Premises, and only the Expansion Premises, following
the Expansion Premises Rent Commencement Date (the “Expansion Premises Abatement Period”).  Tenant shall be obligated to pay all of Tenant’s Share
of Direct Expenses attributable to the Expansion Premises during the Expansion Premises Abatement Period.

Error! Unknown document property name.

4

 
 
 
5.

Additional Rent.  

until the Expansion Premises Rent Commencement Date.  

(a)

Tenant shall continue to pay Tenant’s Share of Direct Expenses for the Existing Premises in accordance with the Lease

(b)

Commencing  on  the  Expansion  Premises  Rent  Commencement  Date  and  continuing  until  the  First  Extension  Term
Expiration  Date,  as  may  be  extended,  Tenant  shall  pay  Tenant’s  Share  of  Direct  Expenses  for  the  Revised  Premises,  as  more  particularly  described  in
Article 4 of the Lease with an updated Tenant’s Share.  The term “Tenant’s Share” under the Lease shall be redefined to be 22.58% as of the Expansion
Premises Rent Commencement Date.  

6.

Delivery of Expansion Premises.  Tenant shall accept the Expansion Premises and all components thereof including, but not limited
to, electrical and mechanical in its presently existing “as-is”, “where-is”, with all faults condition and Landlord shall not be obligated to provide or pay for
any improvement work or services related to the improvement of the Expansion Premises except as otherwise expressly set forth in the Tenant Work Letter
attached hereto as Exhibit C attached hereto and incorporated herein by reference.  The acceptance of the Expansion Premises in “as-is” condition shall in
no way limit Landlord’s repair obligations set forth in the Lease.    

7.

Security Deposit.  Prior to the Effective Date, Tenant shall provide an additional One Hundred Fifty-Two Thousand Four Hundred
Ninety-Seven and 32/100 Dollars ($152,497.32) (which is four (4) months Base Rent for the Expansion Premises at a rate of $38,124.33 per month) to be
added to the Security Deposit under the Lease, which shall mean the total Security Deposit amount required under the Lease shall be Three Hundred Two
Thousand  Three  Hundred  Ninety-Six  and  00/100  Dollars  ($302,396.00)  (the  “Revised  Premises  Security  Deposit”).    For  the  avoidance  of  doubt,  the
Revised  Premises  Security  Deposit  shall  be  held  pursuant  to  Article 21  of  the  Lease  and  this  Section 7  shall  control  future  reductions  of  the  Revised
Premises Security Deposit.  So long as Tenant has not been in default beyond any applicable notice and cure period at any time during the Term of the
Lease, then at the end of the third (3rd) Lease Year, the Revised Premises Security Deposit shall be reduced to Two Hundred Twenty-Six Thousand Seven
Hundred Ninety-Seven and 00/100 Dollars ($226,797.00).  So long as Tenant has not been in default beyond any applicable notice and cure period at any
time during the Term of the Lease, then at the end of the fifth (5th) Lease Year, the Revised Premises Security Deposit shall be reduced to One Hundred
Fifty-One Thousand One Hundred Ninety-Eight and 00/100 Dollars ($151,198.00) for the remainder of the Lease Term, as extended.

8.

Additional Right of First Offer.  

therein.  

(a)

The  right  of  first  offer  provided  in  Section  1.3  of  the  Existing  Lease  for  Tenant  shall  continue  to  apply  as  stated

(b)

Beginning  on  the  Effective  Date,  Landlord  hereby  grants  to  the  Original  Tenant,  a  one-time  right  of  first  offer  with
respect to Suite 100 containing 29,191 rentable square feet located in the Building as set forth in Exhibit B attached hereto, (the “Suite 100 First Offer
Space”).  Notwithstanding the foregoing, such first offer right of Tenant shall commence only following the expiration or earlier termination of the initial
lease (including renewals) of the Suite 100 First Offer Space, and such right of first offer shall be subordinate to all rights of which are set forth in leases of
space in the Project as of the date hereof, including any renewal, extension or expansion rights set forth in such leases, regardless of whether such renewal,
extension  or  expansion  rights  are  executed  strictly  in  accordance  with  their  terms,  or  pursuant  to  a  lease  amendment  or  a  new  lease  (collectively,  the
“Superior  Right  Holders”)  with  respect  to  such  Suite  100  First  Offer  Space.    Tenant’s  right  of  first  offer  shall  not  be  applicable  during  any  Option
Term.  Tenant’s right of first offer shall be on the terms and conditions set forth in this Section 8.

(c)

Procedure for Offer.  Landlord shall notify Tenant (the “Suite 100 First Offer Notice”) when the Suite 100 First Offer
Space, any portion thereof, or such larger space that includes the Suite 100 First Offer Space becomes available for lease to third parties, provided that no
Superior Right Holder wishes to lease such space.  Pursuant to such Suite 100 First Offer Notice, Landlord shall offer to lease to Tenant the then available
Suite 100 First Offer Space and any additional space noted within the Suite 100 First Offer Notice.  The Suite 100 First Offer Notice shall describe the
space so offered to Tenant (which the parties acknowledge may include a portion of the Suite 100 First Offer Space, only the Suite 100 First Offer Space, or
the Suite 100 First Offer Space plus additional contiguous

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5

 
space the Landlord is offering for lease) and shall set forth the “Suite 100 First Offer Rent,” as that term is defined in Section 8(e) below, and the other
economic terms upon which Landlord is willing to lease such space to Tenant.

(d)

Procedure for Acceptance.  If Tenant wishes to exercise Tenant’s right of first offer with respect to the space described
in the Suite 100 First Offer Notice, then within ten (10) business days of delivery of the Suite 100 First Offer Notice to Tenant, Tenant shall deliver notice
to Landlord of Tenant’s election to exercise its right of first offer with respect to the entire space described in the Suite 100 First Offer Notice on the terms
contained in such notice.  If Tenant does not so notify Landlord within the ten (10) business day period, then Landlord shall be free to lease the space
described in the Suite 100 First Offer Notice to anyone to whom Landlord desires on any terms Landlord desires.  Notwithstanding anything to the contrary
contained herein, Tenant must elect to exercise its right of first offer, if at all, with respect to all of the space offered by Landlord to Tenant at any particular
time, and Tenant may not elect to lease only a portion thereof.  

Suite 100 First Offer Space Rent.  The “Rent” payable by Tenant for the Suite 100 First Offer Space (the “Suite 100
First Offer Rent”) shall be equal to the Fair Rental Value (as defined in Section 2.2.2 of the Lease) as of the “Suite 100 First Offer Commencement Date,”
as that term is defined in Section 8(g), below.

(e)

Construction In Suite 100 First Offer Space.  Tenant shall take the Suite 100 First Offer Space in its “as is” condition
(subject to Landlord’s repair obligations in the Lease), subject to any improvement allowance granted as a component of the Fair Rental Value, and the
construction of improvements in the Suite 100 First Offer Space shall comply with the terms of the Lease for Alterations.

(f)

(g)

Amendment to Lease.  If Tenant timely exercises Tenant’s right to lease the Suite 100 First Offer Space as set forth
herein,  Landlord  and  Tenant  shall  promptly  thereafter  execute  an  amendment  to  this  Lease  for  such  Suite  100  First  Offer  Space  upon  the  terms  and
conditions as set forth in the Suite 100 First Offer Notice and this Section 8.  Tenant shall commence payment of Rent for the Suite 100 First Offer Space,
and the term of the Suite 100 First Offer Space shall commence upon the date of delivery of the Suite 100 First Offer Space to Tenant (the “Suite 100 First
Offer Commencement Date”) and terminate on the date set forth in the Suite 100 First Offer Notice.    

(h)

Termination of Suite 100 Right of First Offer.  The rights contained in this Section 8 shall be personal to the Original
Tenant and its Permitted Assignees, and may only be exercised by the Original Tenant or a Permitted Assignee (and not any other assignee, sublessee or
other transferee of the Original Tenant’s interest in this Lease) if the Original Tenant occupies the majority of the Revised Premises.  The right of first offer
granted herein shall terminate as to particular Suite 100 First Offer Space upon the failure by Tenant to exercise its right of first offer with respect to such
Suite 100 First Offer Space as offered by Landlord.  Tenant shall not have the right to lease Suite 100 First Offer Space, as provided in this Section 8, if, as
of the date of the attempted exercise of any right of first offer by Tenant, or as of the scheduled date of delivery of such Suite 100 First Offer Space to
Tenant, Tenant is in default under this Lease, after the expiration of any applicable notice and cure period, or Tenant has previously been in default, after
the expiration of any applicable notice and cure period, under this Lease more than twice.

9.

Brokers.    Landlord  and  Tenant  hereby  warrant  to  each  other  that  it  has  had  no  dealings  with  any  real  estate  broker  or  agent  in
connection with the negotiation of this Amendment, excepting only the real estate brokers or agents specified in Section 13 of the Existing Lease Summary
(the “Brokers”), and that it knows of no other real estate broker or agent which represented said party who is entitled to a commission in connection with
this Amendment.  Landlord and Tenant each agree to indemnify and defend each other against and hold the indemnified party harmless from any and all
claims, demands, losses, liabilities, lawsuits, judgments, costs and expenses (including without limitation reasonable attorneys’ fees) with respect to any
leasing commission or equivalent compensation alleged to be owing on account of any dealings with any real estate broker or agent, other than the Brokers,
occurring by, through, or under the indemnifying party.

10.

Counterparts/Signatures.    This  Amendment  may  be  executed  in  counterparts.    All  executed  counterparts  shall  constitute  one
agreement, and each counterpart shall be deemed an original.  The parties hereby acknowledge and agree that electronic signatures, facsimile signatures or
signatures transmitted by electronic mail in so-called “pdf” format shall be legal and binding and shall have the same full force and effect as if an original
of this Amendment had been delivered.  Landlord and Tenant (i) intend to be bound by the signatures (whether original,

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6

 
faxed or electronic) on any document sent by facsimile or electronic mail, (ii) are aware that the other party will rely on such signatures, and (iii) hereby
waive any defenses to the enforcement of the terms of this Amendment based on the foregoing forms of signature.

11.

Miscellaneous.  This Amendment shall become effective only upon full execution and delivery of this Amendment by Landlord
and Tenant.  This Amendment contains the parties’ entire agreement regarding the subject matter covered by this Amendment, and supersedes all prior
correspondence,  negotiations,  and  agreements,  if  any,  whether  oral  or  written,  between  the  parties  concerning  such  subject  matter.    There  are  no
contemporaneous oral agreements, and there are no representations or warranties between the parties not contained in this Amendment.  This Amendment
shall  be  construed  and  enforced  in  accordance  with  the  laws  of  the  State  of  North  Carolina.    Except  as  modified  by  this  Amendment,  the  terms  and
provisions of the Lease shall remain in full force and effect, and the Lease, as modified by this Amendment, shall be binding upon and shall inure to the
benefit of the parties hereto, their successors and permitted assigns.

[Signature Page Follows]

[The remainder of this page has been intentionally left blank]

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7

 
LANDLORD AND TENANT enter into this Amendment as of the Effective Date above.

LANDLORD:

DURHAM TW ALEXANDER, LLC,
a Delaware limited liability company

By:
Name:
Title:

/s/Adam B. Sichol
Adam B. Sichol
Authorized Signatory

TENANT:

PRECISION BIOSCIENCES, INC.,
a Delaware corporation

/s/ Matt Kane

By:
Name: Matt Kane
Title:

CEO

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8

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
EXHIBIT A

THE EXPANSION PREMISES

Suite 140

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A-1

 
 
EXHIBIT B

FIRST OFFER SPACE

Suite 100

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B-1

 
 
 
 
 
 
EXHIBIT C

TENANT WORK LETTER

This  Tenant  Work  Letter  sets  forth  the  terms  and  conditions  relating  to  the  construction  of  improvements  in  the  Expansion  Premises.  All

references in this Tenant Work Letter to Articles or Sections of “this Lease” shall mean the relevant portion of the Existing Lease.

1.

LANDLORD’S INITIAL CONSTRUCTION IN THE PREMISES

1.1

Landlord Work.  None.  There is no Landlord Work.  Tenant accepts the Expansion Premises in its “as-is”, “where-is” condition.

  The acceptance of the Expansion Premises in “as-is” condition shall in no way limit Landlord’s repair obligations set forth in the Lease.

2.

TENANT IMPROVEMENTS

2.1

Tenant Improvements Allowance.  So long as Tenant is not in default, Tenant shall be entitled to an one-time tenant improvements
allowance (the “Tenant Improvements Allowance”)  in  the  maximum  aggregate  amount  of:  (i)  $898,645.00  for  the  Expansion  Premises  (i.e., $55.00  per
rentable square foot of the Expansion Premises) (the “Maximum Allowance Amount”) for the hard costs and customary soft costs, as noted below, incurred
by Tenant including, without limitation out-of-pocket architectural and engineering fees, construction contractor fees, Tenant’s project management fees,
and a two percent (2%) project management fee payable to Landlord or its affiliates (“Landlord’s Project Oversight Fee”), and permits, and such other costs
arising  from  or  relating  to  the  design  and  construction  of  Tenant’s  improvements  which  are  to  be  permanently  affixed  to  the  Expansion  Premises  in
accordance with this Work Letter (the “Tenant Improvements”).  Landlord’s Project Oversight Fee shall be equivolent to, but not exceed, a total of 2% of
the Tenant Improvement Allowance paid to Tenant.  In no event shall Tenant be permitted to use any excess Tenant Improvements Allowance toward the
Base Rent or any soft costs that are not directly related to the design and construction within the Expansion Premises.  For the avoidance of any doubt, the
purchase and installation of data and telecommunications cabling shall not be included in the definition of Tenant Improvements and there shall not be any
Landlord’s  Project  Oversight  Fee  payable  with  respect  to  costs  and  expenses  related  thereto.  The  Tenant  agrees  to  keep  the  Landlord  advised  as  to  the
progress of the work by providing copies of the Contractor’s applications for payment.  In no event shall Landlord be obligated to make disbursements
pursuant to this Tenant Work Letter in a total amount which exceeds the Maximum Allowance Amount and in no event shall Tenant be entitled to any
credit for any unused portion of the Tenant Improvements Allowance.  All Tenant Improvements for which the Tenant Improvements Allowance has been
made available shall be deemed Landlord’s property under the terms of the Lease.

2.2

Disbursement  of  the  Tenant  Improvements  Allowance.    Except  as  otherwise  set  forth  in  this  Tenant  Work  Letter,  the  Tenant
Improvements  Allowance  shall  be  disbursed  by  Landlord  (each  of  which  disbursements  shall  be  made  pursuant  to  Landlord’s  reasonable  disbursement
process) for costs incurred and paid by Tenant related to the design and construction of the Tenant Improvements and for the following items and costs
(collectively, the “Tenant Improvements Allowance Items”):  (i) payment of the fees of the “Architect” as that term is defined in Section 3.1 of this Tenant
Work Letter in connection with the preparation and review of the “Construction Documents,” as that term is defined in Section 3.1 of this Tenant Work
Letter; (ii) payment of the Landlord’s Project Oversight Fee, (iii) the cost of any changes to the Construction Documents or Tenant Improvements required
by  all  applicable  building  codes  (the  “Code”)  enacted  after  approval  of  the  Construction  Documents,  (iv)  costs  payable  to  the  Contractor  and  any
subcontractors, and (v) other costs incurred in connection with the Tenant Improvements to the extent the same can be paid using the Tenant Improvements
Allowance pursuant to the specific provisions of this Tenant Work Letter.

Once  Landlord  is  required  to  disburse  any  portion  of  the  Tenant  Improvements  Allowance  as  noted  above,  Landlord  shall  disburse  the
applicable  portion  of  the  Tenant  Improvements  Allowance  within  thirty  (30)  calendar  days  of  receiving  from  Tenant  a  Payment  Request  (as  hereinafter
defined),  an  amount  equal  to  the  lesser  of:  (A)  the  amounts  so  requested  by  Tenant  of  the  actual  costs  and  expenses  Tenant  has  incurred  and  paid  in
connection with the design and construction of the Tenant Improvements to date less a ten percent (10%) retention (the aggregate amount of such

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retentions  to  be  known  as  the  “Final Retention”),  and  (B)  the  balance  of  any  remaining  available  portion  of  the  Tenant  Improvements  Allowance  (not
including the Final Retention) provided the following conditions have been satisfied:

to Landlord specifying the work which has been completed; and

(1)

Tenant has delivered to Landlord a payment request (“Payment Request”) in a form reasonably satisfactory

statement substantially in the form of AIA Document G702 and AIA Document G703; and

(2)

Tenant’s  general  contractor  and/or  architect  shall  have  submitted  an  application  for  payment  and  sworn

Tenant  has  submitted  to  Landlord  lien  waivers  or  partial  lien  waivers  from  all  contractors,  first  tier
subcontractors, artchitects, and first tier materialmen who performed such work to cover the work included under the Payment Request and all prior work
Tenant was required to pay for before utilizing the Tenant Improvements Allowance.

(3)

Notwithstanding  anything  herein  to  the  contrary,  the  Tenant  Improvements  Allowance  must  be  requested  in  writing  by  Tenant,  if  at  all,  in
accordance with this paragraph on or before the date that is one year following the Effective Date of this Amendment, and any portion not requested by
such date may no longer be utilized by Tenant and shall be deemed forfeited to Landlord.

2.2.1

Final Retention.  Subject  to  the  provisions  of  this  Tenant  Work  Letter,  a  check  for  the  Final  Retention  payable  to
Tenant  shall  be  delivered  by  Landlord  to  Tenant  not  later  than  thirty  (30)  days  following  the  completion  of  construction  of  the  Expansion  Premises,
provided  that  (i)  Tenant  delivers  to  Landlord  properly  executed  mechanics  lien  releases  in  compliance  with  the  applicable  laws  in  the  state  where  the
Building is located, (ii) Landlord has reasonably determined that no defective work exists which adversely affects the mechanical, electrical, plumbing,
heating, ventilating and air conditioning, life-safety or other systems of the Building, the curtain wall of the Building, the structure or exterior appearance
of the Building, or any other tenant’s use of such other tenant’s leased premises in the Building and (iii) Architect delivers to Landlord a certificate, in a
form  reasonably  acceptable  to  Landlord,  certifying  that  the  construction  of  the  Tenant  Improvements  in  the  Expansion  Premises  has  been  substantially
completed.

3.

CONSTRUCTION DOCUMENTS

3.1

Selection  of  Architect/Construction  Documents.    Landlord  consents  to  Tenant  retaining  Integrated  Design,  PA  (collectively,  the
“Architect”) to prepare the “Construction Documents,” as that term is defined in this Section 3.1 for the Tenant Improvements.  Tenant shall also retain the
engineering  consultants  designated  by  Landlord  (the  “Engineers”)  to  prepare  all  plans  and  engineering  working  drawings  relating  to  the  structural,
mechanical, electrical, plumbing, HVAC and lifesafety work of the Tenant Improvements.  The plans and drawings to be prepared by Architect and the
Engineers hereunder shall be known collectively as the “Construction Documents.”  All Construction Documents shall reasonably comply with the drawing
format and specifications as reasonably determined by Landlord, and shall be subject to Landlord’s reasonable approval. Tenant and Architect shall verify,
in  the  field,  the  dimensions  and  conditions  as  shown  on  the  relevant  portions  of  the  base  building  plans,  and  Tenant  and  Architect  shall  be  solely
responsible for the same, and Landlord shall have no responsibility in connection therewith. Landlord’s review of the Construction Documents as set forth
in this Section 3, shall be for its sole purpose and shall not imply Landlord’s review of the same, or obligate Landlord to review the same, for quality,
design,  Code  compliance  or  other  like  matters.  Accordingly,  notwithstanding  that  any  Construction  Documents  are  reviewed  by  Landlord  or  its  space
planner, architect, engineers and consultants, and notwithstanding any advice or assistance which may be rendered to Tenant by Landlord or Landlord’s
space planner, architect, engineers, and consultants, Landlord shall have no liability whatsoever in connection therewith and shall not be responsible for any
omissions or errors contained in the Construction Documents.  Landlord may hire an architectural firm to conduct a peer review, and the fees associated
with this peer review shall be paid from the Landlord’s Project Oversight Fee and shall not result in an additional charge to Tenant.

Landlord has no obligation to approve or perform any Tenant Change or any Tenant Improvements not shown on the plans previously approved
by Landlord and Tenant or reasonably inferable therefrom if, in Landlord’s reasonable judgment, such Tenant Improvements (i) would materially increase
the cost of performing any other work in the Building, not including the Tenant Improvements, unless in each case Tenant agrees to pay such costs based on

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Landlord’s Change Estimate Notice (as defined below), (ii) are incompatible with the design, quality, equipment or systems of the Building or otherwise
require a change to the existing Building systems or structure, each in a manner that would not otherwise be required in connection with the improvements
contemplated by the Fit Plan (as defined below), (iii) is not consistent with the existing quality and nature of the Building, or (iv) otherwise do not comply
with the provisions of the Lease.  

3.2

Final Space Plan.  Tenant has approved the preliminary space plan prepared by the Architect attached as Attachment 1 hereto (the
“Fit Plan”).  Tenant shall use commercially reasonable efforts to cause the Architect to prepare a space plan for the Expansion Premises which space plan
shall be reasonably consistent with the Fit Plan and shall include a layout and designation of all labs, offices, rooms and other partitioning, their intended
use, and equipment to be contained therein, and shall deliver the space plan to Landlord and Tenant for their approval. Landlord and Tenant shall review
and provide any changes to the space plan within five (5) Business Days of receipt thereof.  Once Landlord and Tenant approve the final space plan, the
space plan shall be considered final (the “Final Space Plan”).  

3.3

Construction Documents.   Tenant  shall  cause    the  Architect  to  complete  final  Construction  Documents  consistent  with  the  Final
Space  Plan  and  shall  submit  the  same  to  Landlord  and  Tenant  for  their  approval.    Landlord  and  Tenant  shall  review  and  provide  any  changes  to  the
construction documents within five (5) Business Days of receipt thereof, and the Tenant shall use reasonable efforts to cause the Architect to prepare and
circulate modified documents within five (5) Business Days of its receipt of any requested changes from Tenant or Landlord. Such process of submittal and
response  within  the  time  frame  specified  in  the  preceding  sentence  shall  continue  until  each  of  Landlord  and  Tenant  gives  written  approval  to  such
documents, and the Construction Documents shall be considered final once approved by the Landlord and the Tenant. In no event may either Tenant or
Landlord require any changes that are inconsistent with the Final Space Plan.  The Construction Documents shall comply with Applicable Laws existing on
the  date  of  this  Tenant  Work  Letter  and  which  may  be  enacted  prior  to  approval  of  completed  Construction  Documents.  Subject  to  the  provisions  of
Sections  3.1  and  5.4  of  this  Work  Letter,  Tenant  may,  from  time  to  time,  by  written  request  to  Landlord  on  a  form  reasonably  specified  by  Landlord
(“Tenant  Change”),  request  a  change  in  the  Tenant  Improvements  shown  on  the  Construction  Documents,  which  approval  shall  not  be  unreasonably
withheld or conditioned, and shall be granted or denied within five (5) Business Days after delivery of such Tenant Change to Landlord.  

3.4

Permits.  The Construction Documents as approved (or deemed approved) pursuant to Section 3.3 shall be the “Approved Working
Drawings”.    Following  approval  or  deemed  approval  of  the  Cost  Proposal,  as  described  below,  Tenant  shall  promptly  thereafter  submit  or  cause  to  be
submitted, the Approved Working Drawings to the appropriate municipal authorities for all applicable building permits necessary to allow “Contractor,” as
that term is defined in Section 4.1, below, to commence and fully complete the construction of the applicable Tenant Improvements (the “Permits”).  

3.5

Time Deadlines.  Intentionally omitted.  

4.

CONSTRUCTION OF THE TENANT IMPROVEMENTS

4.1
Improvements.  

Contractor.   A  contractor  designated  by  Tenant  and  reasonably  approved  by  Landlord  (“Contractor”)  shall  construct  the  Tenant

4.2

Cost Proposal.  After the Approved Working Drawings are approved by Landlord and Tenant, Tenant shall provide Landlord with a
cost proposal (or cost proposals) in accordance with the Approved Working Drawings for Landlord’s approval, which approval shall not be unreasonably
withheld,  which  cost  proposal(s)  shall  include,  as  nearly  as  possible,  the  cost  of  all  Tenant  Improvements  Allowance  Items  to  be  incurred  by  Tenant  in
connection with the design and construction of the Tenant Improvements (the “Cost Proposal”).  Tenant will consult with Landlord prior to approving the
contractors to whom it will be bid and Landlord may review bid packages at Landlord’s written request.  The date on which Landlord approves the Cost
Proposal shall be known hereafter as the “Cost Proposal Delivery Date”.    

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4.3

Construction of Tenant Improvements by Contractor.

4.3.1

Intentionally Deleted.  

4.3.2

Tenant’s Retention of Contractor. Tenant shall independently retain Contractor to construct the Tenant Improvements
in  accordance  with  the  applicable  Approved  Working  Drawings  and  the  applicable  Cost  Proposal.    Landlord  shall  be  entitled  to  review  the  Tenant’s
construction contract with the Contractor upon Landlord’s written request. Tenant shall be responsible to ensure the Contractor performs the construction
work in a good and workmanlike manner and shall endeavor to oversee the Contractor’s performance of its work to protect Landlord from construction
defects.

5.

COMPLETION OF THE TENANT IMPROVEMENTS;

LEASE COMMENCEMENT DATE

5.1

Substantial Completion.  Tenant shall give Landlord at least twenty (20) days prior written notice of the date that Tenant reasonably
anticipates that the Tenant Improvements will be Substantially Complete (as defined below).  For purposes of this Lease, “Substantial Completion” shall
occur upon the completion of the last of the following to occur: (i) the completion of construction of the Tenant Improvements substantially pursuant to the
Approved Working Drawings for such Tenant Improvements (each as reasonably determined by Tenant and Architect), with the exception of any punch list
items which do not impair Tenant’s ability to occupy the Expansion Premises for their contemplated use, (ii) the acquisition of a certificate of occupancy or
its  legal  equivalent  allowing  occupancy  of  the  Expansion  Premises  (a  “Sign Off”),  and  (iii)  delivery  of  a  certificate  of  substantial  completion  from  the
Architect confirming the matters set forth in the foregoing clause (i).  In the event that the Sign Off is not a final certificate of occupancy, Tenant shall
diligently prosecute the work necessary to achieve a full certificate of occupancy and use commercially reasonable efforts to obtain such full certificate of
occupancy as soon as reasonably practicable following Substantial Completion.

5.2

Intentionally omitted.

5.3

Walk-through and Punchlist.  After the Tenant Improvements are Substantially Completed and prior to Tenant’s move-in into the
Expansion Premises, following two (2) days’ advance written notice from Tenant to Landlord, Tenant shall cause the Contractor to inspect the Expansion
Premises with a representative of Landlord and complete a punch list of unfinished items of the Tenant Improvements.  After Landlord and Tenant have
mutually agreed upon the punch list, authorized representatives for Landlord and Tenant shall execute said punch list.  The items listed on such punch list
shall be completed by the Contractor within thirty (30) days after the approval of such punch list or as soon thereafter as reasonably practicable, provided
that  in  the  event  a  punch  list  item  reasonably  requires  longer  than  thirty  (30)  days  to  complete,  then  Tenant  shall  cause  Contractor  to  commence  the
completion of such particular item within thirty (30) days and diligently pursue the same to completion.  The terms of this Section 5.3 will not affect the
occurrence of the Substantial Completion of the Expansion Premises or the occurrence of the Expansion Premises Rent Commencement Date.

5.4

Tenant Changes.  Landlord shall reasonably approve any Tenant Change on the condition that Tenant shall pay in full, in advance
(or cause to be paid in full from the Tenant Improvements Allowance), any and all additional costs or expenses associated with the approval of said Tenant
Change.

5.5

Delay Not Caused by Parties.  Neither the Landlord nor Tenant shall be considered to be in default of the provisions of this Tenant

Work Letter for delays in performance due to Force Majeure.

6.

MISCELLANEOUS

6.1

Tenant’s Entry Into the Expansion Premises.  As a condition to Tenant’s entry into the Expansion Premises, Tenant shall comply
with and perform, and shall cause its employees, agents, contractors, subcontractors, material suppliers and laborers to comply with and perform, all of
Tenant’s insurance and indemnity obligations and other obligations governing the conduct of Tenant at the Property under this Lease.  

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6.2

Tenant’s Representative.  Tenant has designated Sinu Bhandaru as its sole representative with respect to the matters set forth in this
Tenant  Work  Letter,  who,  until  further  notice  to  Landlord,  shall  have  full  authority  and  responsibility  to  act  on  behalf  of  the  Tenant  as  required  in  this
Tenant Work Letter.

6.3

Landlord’s Representative.  Landlord has designated Jim McGlade as its sole representative with respect to the matters set forth in
this Tenant Work Letter, who, until further notice to Tenant, shall have full authority and responsibility to act on behalf of the Landlord as required in this
Tenant Work Letter.

6.4

Intentionally omitted.  

6.5

General.  This Work Letter shall not be deemed applicable to any additional space added to the Expansion Premises at any time or
from time to time, whether by any options under the Lease or otherwise, or to any portion of the Expansion Premises or any additions to the Expansion
Premises in the event of a renewal or extension of the original Lease Term, whether by any options under the Lease or otherwise, unless and to the extent
expressly provided in the Lease or any amendment or supplement to the Lease that such additional space is to be delivered to Tenant in the same condition
the initial Expansion Premises is to be delivered.

6.6

Insurance.  In addition to the requirements of Article 8.5 and Article 10 of the Lease, prior to the commencement of the Tenant
Improvements,  Tenant  shall  provide  Landlord  with  evidence  that  Tenant  carries  Builder’s  All  Risk  insurance  in  an  amount  reasonably  approved  by
Landlord covering the construction of such Tenant Improvements, and such other insurance as Landlord may reasonably require, it being understood and
agreed  that  all  of  such  Tenant  Improvements  shall  be  insured  by  Tenant  pursuant  to  Article  10  of  the  Lease  immediately  upon  completion  thereof.  In
addition, Tenant’s contractors, subcontractors, and architects shall be required to carry Commercial General Liability Insurance in an amount reasonably
approved by Landlord and otherwise in accordance with the requirements of Article 10 of the Lease and such general liability insurance shall name the
Landlord Parties as additional insureds. In addition, Tenant’s contractors and subcontractors shall be required to carry workers compensation insurance with
a waiver of subrogation in favor of Landlord Parties.

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ATTACHMENT 1

FIT PLAN

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EXHIBIT D

LIMITED OCCUPANCY SPACE

304420096.3

Limited Occupancy Space

7

 
 
 
THIS SECOND AMENDMENT TO LEASE (this “Amendment”) is made and entered into as of the 13th_ day of ___March____, 2020 (the
“Effective  Date”),  by  and  between  DURHAM  TW  ALEXANDER,  LLC,  a  Delaware  limited  liability  company  (“Landlord”),  and  PRECISION
BIOSCIENCES, INC., a Delaware corporation (formerly a North Carolina corporation) (“Tenant”).

SECOND AMENDMENT TO LEASE

STATEMENT OF PURPOSE

WHEREAS,  Landlord  and  Tenant  entered  into  that  certain  Lease  dated  October  2,  2018  (“Initial Lease”)  as  amended  by  that  certain  First
Amendment  to  Lease  dated  December  23,  2019  (“First  Amendment”  and  together  with  the  Initial  Lease,  the  “Existing  Lease”),  for  certain  premises
containing  approximately  33,635  rentable  square  feet  on  the  first  (1st)  floor  (the  “Existing  Premises”)  located  in  the  building  known  as  Biopoint
Innovation Labs located at 20 TW Alexander Drive, Research Triangle Park, North Carolina 27709 (the “Building”), as more particularly described in the
Lease.

WHEREAS,  Landlord  and  Tenant  desire  to  amend  the  terms  of  the  Existing  Lease:  (i)  to  expand  the  Existing  Premises,  and  (ii)  to  modify
certain other terms of the Existing Lease.  For purposes hereof, the Lease as amended by this Amendment is referred to as the “Lease.”  All capitalized
terms not otherwise defined herein shall have the meanings set forth in the Existing Lease.

NOW, THEREFORE, in consideration of the statement of purpose, the mutual covenants contained herein and other valuable consideration, the

receipt of which is hereby acknowledged, the parties hereto agree as follows:

12.

13.

Recitals.  The recitals shall form a part of this Amendment.

Expansion of the Premises.   As  of  the  Effective  Date,  Exhibit A  to  the  First  Amendment  is  hereby  deleted  in  its  entirety  and

replaced with Exhibit A attached hereto, and Section 2(a) of the First Amendment is hereby deleted in its entirety and replaced with the following:

(a)

Tenant desires to expand the Existing Premises to include an additional approximately 16,532 rentable square
feet commonly known as Suite 140 along with an adjoining mailroom located on the first (1st) floor of the Building, all as further
shown  on  Exhibit  A  attached  hereto  and  incorporated  herein  by  reference  (the  “Expansion  Premises”).    For  avoidance  of
ambiguity, Section 1.2 of the Existing Lease shall also apply to the measurement of the Expansion Premises.  Effective as of the
Expansion Premises Rent Commencement Date (as defined in Section 2(b) of the First Amendment), the Existing Premises shall be
expanded  by  adding  the  Expansion  Premises  and  the  term  “Premises”  under  the  Lease  shall  be  redefined  to  be  approximately
33,828 rentable square feet of space (the “Revised Premises”).

14.

Base  Rent.    Tenant  shall  continue  pay  Base  Rent  for  the  Existing  Premises  in  accordance  with  Section  4(a)  of  the  First
Amendment.  As of the Effective Date Section 4(b) of the First Amendment which provides the Base Rent for the Expansion Premises is hereby deleted in
its entirety and replaced with the following:

(b)

Notwithstanding  anything  contained  in  the  Lease  to  the  contrary,  commencing  on  the  Expansion  Premises
Rent Commencement Date and continuing through the First Extension Term Expiration Date, Tenant shall, at the time and in the
manner provided in the Lease, pay to

304420096.3

8

 
 
Landlord as Base Rent for the Expansion Premises, the amounts set forth in the following rent schedule, plus any applicable tax
thereon:

Time Period*

Annual Base Rent

Monthly Installment
of Base Rent

Annual Base Rent
per Rentable Square Foot

07/01/2020 - 06/30/2021**
07/01/2021 - 06/30/2022
07/01/2022 - 06/30/2023
07/01/2023 - 06/30/2024
07/01/2024 - 06/30/2025
07/01/2025 - 06/30/2026
07/01/2026 - 06/30/2027
07/01/2027 - 08/31/2027

$462,896.04

$476,782.92
$491,165.76
$505,879.20
$520,923.36
$536,628.72
$552,664.80
$569,362.08

$38,574.67

$39,731.91
$40,930.48
$42,156.60
$43,410.28
$44,719.06
$46,055.40
$47,446.84

$28.00

$28.84
$29.71
$30.60
$31.51
$32.46
$33.43
$34.44

*Note:    Notwithstanding  the  above  table,  the  dates  of  the  time  periods  set  forth  therein  will  be  adjusted  based  on  the  actual
Expansion  Premises  Rent  Commencement  Date  if  such  date  occurs  on  a  date  earlier  than  July  1,  2020,  but  the  final  date  shall
remain the same.

**Note:  Provided Tenant is not in monetary default of the terms of this Lease, after expiration of any applicable notice and cure
period,  Tenant  shall  have  no  obligation  to  pay  any  Base  Rent  attributable  to:  (i)  the  first  two  (2)  months  of  for  the  Expansion
Premises,  and  only  the  Expansion  Premises,  following  the  Expansion  Premises  Rent  Commencement  Date  (the  “Expansion
Premises  Abatement  Period”).    Tenant  shall  be  obligated  to  pay  all  of  Tenant’s  Share  of  Direct  Expenses  attributable  to  the
Expansion Premises during the Expansion Premises Abatement Period.

15.

Additional Rent.  The term “Tenant’s Share” under the Lease shall be redefined to be 22.71% as of the Expansion Premises Rent

Commencement Date.  

16.

Security Deposit.  Prior to the Effective Date, Tenant shall provide an additional One Thousand Eight Hundred One and 36/100
Dollars ($1,801.36) (which is four (4) months Base Rent for the Expansion Premises at a rate of $38,574.67 per month less the Security Deposit required
under Section 7 of the First Amendment) to be added to the Security Deposit under the Lease, which shall mean the total Security Deposit amount required
under the Lease shall be Three Hundred Four Thousand One Hundred Ninety-Seven and 36/100 Dollars ($304,197.36) (the “Revised  Premises  Security
Deposit”).  For the avoidance of doubt, the Revised Premises Security Deposit shall be held pursuant to Article 21 of the Initial Lease and this Section 5
shall control future reductions of the Revised Premises Security Deposit.  So long as Tenant has not been in default beyond any applicable notice and cure
period at any time during the Term of the Lease, then at the end of the third (3rd) Lease Year, the Revised Premises Security Deposit shall be reduced to
Two Hundred Twenty-Eight Thousand One Hundred Forty-Eight and 02/100 Dollars ($228,148.02).  So long as Tenant has not been in default beyond any
applicable notice and cure period at any time during the Term of the Lease, then at the end of the fifth (5th) Lease Year, the Revised Premises Security
Deposit shall be reduced to One Hundred Fifty-Two Thousand Ninety-Eight and 68/100 Dollars ($152,098.68) for the remainder of the Lease Term, as
extended.

17.

Tenant Improvements Allowance.  As of the Effective Date, the term “Tenant Improvements Allowance” under Section 2.1  of
Exhibit C to the First Amendment shall be redefined to be $909,260.00 for the Expansion Premises (i.e., $55.00 per rentable square foot of the Expansion
Premises).

18.

Updated Fit Plan.  As of the Effective Date, the Fit Plan attached as Attachment 1 to Exhibit C of the First Amendment is hereby

deleted and replaced with Attachment 1 attached to this Amendment.  

304420096.3

9

 
 
 
 
 
 
 
19.

Brokers.  Landlord  and  Tenant  hereby  warrant  to  each  other  that  it  has  had  no  dealings  with  any  real  estate  broker  or  agent  in
connection with the negotiation of this Amendment, excepting only the real estate brokers or agents specified in Section 13 of the Initial Lease Summary
(the “Brokers”), and that it knows of no other real estate broker or agent which represented said party who is entitled to a commission in connection with
this Amendment.  Landlord and Tenant each agree to indemnify and defend each other against and hold the indemnified party harmless from any and all
claims, demands, losses, liabilities, lawsuits, judgments, costs and expenses (including without limitation reasonable attorneys’ fees) with respect to any
leasing commission or equivalent compensation alleged to be owing on account of any dealings with any real estate broker or agent, other than the Brokers,
occurring by, through, or under the indemnifying party.

20.

Counterparts/Signatures.    This  Amendment  may  be  executed  in  counterparts.   All  executed  counterparts  shall  constitute  one
agreement, and each counterpart shall be deemed an original.  The parties hereby acknowledge and agree that electronic signatures, facsimile signatures or
signatures transmitted by electronic mail in so-called “pdf” format shall be legal and binding and shall have the same full force and effect as if an original
of  this  Amendment  had  been  delivered.    Landlord  and  Tenant  (i)  intend  to  be  bound  by  the  signatures  (whether  original,  faxed  or  electronic)  on  any
document sent by facsimile or electronic mail, (ii) are aware that the other party will rely on such signatures, and (iii) hereby waive any defenses to the
enforcement of the terms of this Amendment based on the foregoing forms of signature.

21.

Miscellaneous.  This Amendment shall become effective only upon full execution and delivery of this Amendment by Landlord
and Tenant.  This Amendment contains the parties’ entire agreement regarding the subject matter covered by this Amendment, and supersedes all prior
correspondence,  negotiations,  and  agreements,  if  any,  whether  oral  or  written,  between  the  parties  concerning  such  subject  matter.    There  are  no
contemporaneous oral agreements, and there are no representations or warranties between the parties not contained in this Amendment.  This Amendment
shall  be  construed  and  enforced  in  accordance  with  the  laws  of  the  State  of  North  Carolina.    Except  as  modified  by  this  Amendment,  the  terms  and
provisions of the Lease shall remain in full force and effect, and the Lease, as modified by this Amendment, shall be binding upon and shall inure to the
benefit of the parties hereto, their successors and permitted assigns.

[Signature Page Follows]

[The remainder of this page has been intentionally left blank]

304420096.3

10

 
LANDLORD AND TENANT enter into this Amendment as of the Effective Date above.

LANDLORD:

DURHAM TW ALEXANDER, LLC,
A DELAWARE LIMITED LIABILITY COMPANY
/s/Jamison N. Peschel
JAMISON PESCHEL
Authorized Signatory

By:
Name:
Title:

ENANT:

PRECISION BIOSCIENCES, INC.,
a Delaware corporation

By:
Name:
Title:

/s/ Sinu Bhandaru
Sinu Bhandaru
Vice President Operations & IT

304420096.3

11

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
EXHIBIT A

THE EXPANSION PREMISES

304420096.3

A-1

 
 
 
ATTACHMENT 1

FIT PLAN

 
 
 
THIS THIRD AMENDMENT TO LEASE (this “Amendment”) is made and entered into as of the _15th_ day of June, 2020 (the “Effective
Date”), by and between DURHAM TW ALEXANDER, LLC, a Delaware limited liability company (“Landlord”), and PRECISION BIOSCIENCES,
INC., a Delaware corporation (formerly a North Carolina corporation) (“Tenant”).

THIRD AMENDMENT TO LEASE

STATEMENT OF PURPOSE

WHEREAS,  Landlord  and  Tenant  entered  into  that  certain  Lease  dated  October  2,  2018  (“Initial Lease”)  as  amended  by  that  certain  First
Amendment to Lease dated December 23, 2019 (“First Amendment”) and as further amended by that certain Second Amendment to Lease dated March
13, 2020 (“Second Amendment”) (as amended, the “Existing Lease”), for certain premises containing approximately 33,828 rentable square feet on the
first (1st) floor (the “Premises”) located in the building known as Biopoint Innovation Labs located at 20 TW Alexander Drive, Research Triangle Park,
North Carolina 27709 (the “Building”), as more particularly described in the Lease.

WHEREAS,  Landlord  and  Tenant  desire  to  amend  the  terms  of  the  Existing  Lease:  (i)  to  extend  the  date  by  which  Tenant  must  utilize  the
Tenant Improvements Allowance, as defined in the First Amendment, and (ii) to modify certain other terms of the Existing Lease.  For purposes hereof, the
Lease as amended by this Amendment is referred to as the “Lease.”  All capitalized terms not otherwise defined herein shall have the meanings set forth in
the Existing Lease.

NOW, THEREFORE, in consideration of the statement of purpose, the mutual covenants contained herein and other valuable consideration, the

receipt of which is hereby acknowledged, the parties hereto agree as follows:

22.

Recitals.  The recitals shall form a part of this Amendment.

23.

Extension of the Tenant Improvements Allowance Disbursement Deadline.  Due to various delays in the performance of the
Tenant Improvements, as defined in the First Amendment, Landlord and Tenant hereby agree that the deadline for Tenant to request disbursements from the
Tenant Improvement Allowance under Section 2.2 of Exhibit C of the First Amendment shall be extended until June 30, 2021.  For purposes of clarity,
Landlord also hereby acknowledges and agrees that Tenant’s delayed occupancy of the Premises and construction timeline does not constitute abandonment
under Section 19.1.3 of the Lease.

24.

Counterparts/Signatures.    This  Amendment  may  be  executed  in  counterparts.   All  executed  counterparts  shall  constitute  one
agreement, and each counterpart shall be deemed an original.  The parties hereby acknowledge and agree that electronic signatures, facsimile signatures or
signatures transmitted by electronic mail in so-called “pdf” format shall be legal and binding and shall have the same full force and effect as if an original
of  this  Amendment  had  been  delivered.    Landlord  and  Tenant  (i)  intend  to  be  bound  by  the  signatures  (whether  original,  faxed  or  electronic)  on  any
document sent by facsimile or electronic mail, (ii) are aware that the other party will rely on such signatures, and (iii) hereby waive any defenses to the
enforcement of the terms of this Amendment based on the foregoing forms of signature.

25.

Miscellaneous.  This Amendment shall become effective only upon full execution and delivery of this Amendment by Landlord
and Tenant.  This Amendment contains the parties’ entire agreement regarding the subject matter covered by this Amendment, and supersedes all prior
correspondence,  negotiations,  and  agreements,  if  any,  whether  oral  or  written,  between  the  parties  concerning  such  subject  matter.    There  are  no
contemporaneous oral agreements, and there are no representations or warranties between the parties not contained in this Amendment.  This Amendment
shall  be  construed  and  enforced  in  accordance  with  the  laws  of  the  State  of  North  Carolina.    Except  as  modified  by  this  Amendment,  the  terms  and
provisions of the Lease shall remain in full force and effect, and the Lease, as modified by this Amendment, shall be binding upon and shall inure to the
benefit of the parties hereto, their successors and permitted assigns.

 
 
 
[Signature Page Follows]

[The remainder of this page has been intentionally left blank]

 
 
LANDLORD AND TENANT enter into this Amendment as of the Effective Date above.

LANDLORD:

DURHAM TW ALEXANDER, LLC,
A DELAWARE LIMITED LIABILITY COMPANY

By:
Name:
Title:

/s/ Jamison Peschel
Jamison Peschel
Authorized Signatory

TENANT:

PRECISION BIOSCIENCES, INC.,
a Delaware corporation

By:
Name:
Title:

/s/ Sinu Bhandaru
Sinu Bhandaru
VP Operations & IT

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
THIS FOURTH AMENDMENT TO LEASE (this “Amendment”) is made and entered into as of the _4__ day of May, 2021 (the “Effective
Date”), by and between DURHAM TW ALEXANDER, LLC, a Delaware limited liability company (“Landlord”), and PRECISION BIOSCIENCES,
INC., a Delaware corporation (formerly a North Carolina corporation) (“Tenant”).

FOURTH AMENDMENT TO LEASE

STATEMENT OF PURPOSE

WHEREAS,  Landlord  and  Tenant  entered  into  that  certain  Lease  dated  October  2,  2018  (“Initial Lease”),  as  amended  by  that  certain  First
Amendment to Lease dated December 23, 2019 (“First Amendment”), as further amended by that certain Second Amendment to Lease dated March 13,
2020  (“Second  Amendment”),  and  as  further  amended  by  that  certain  Third  Amendment  to  Lease  dated  June  15,  2020  (“Third  Amendment”)  (as
amended, the “Existing Lease”), for certain premises containing approximately 33,828 rentable square feet on the first (1st) floor (the “Premises”) located
in the building known as Biopoint Innovation Labs located at 20 TW Alexander Drive, Research Triangle Park, North Carolina 27709 (the “Building”), as
more particularly described in the Lease.

WHEREAS,  Landlord  and  Tenant  desire  to  amend  the  terms  of  the  Existing  Lease:  (i)  to  extend  the  date  by  which  Tenant  must  utilize  the
Tenant Improvements Allowance, as defined in the First Amendment, and (ii) to modify certain other terms of the Existing Lease.  For purposes hereof, the
Lease as amended by this Amendment is referred to as the “Lease.”  All capitalized terms not otherwise defined herein shall have the meanings set forth in
the Existing Lease.

NOW, THEREFORE, in consideration of the statement of purpose, the mutual covenants contained herein and other valuable consideration, the

receipt of which is hereby acknowledged, the parties hereto agree as follows:

26.

Recitals.  The recitals shall form a part of this Amendment.

27.

Extension of the Tenant Improvements Allowance Disbursement Deadline.  Due to various delays in the performance of the
Tenant Improvements, as defined in the First Amendment, Landlord and Tenant hereby agree that the deadline for Tenant to request disbursements from the
Tenant  Improvement  Allowance  under  Section  2.2  of  Exhibit  C  of  the  First  Amendment  shall  be  extended  until  December  30,  2021.    For  purposes  of
clarity,  Landlord  also  hereby  acknowledges  and  agrees  that  Tenant’s  delayed  occupancy  of  the  Premises  and  construction  timeline  does  not  constitute
abandonment under Section 19.1.3 of the Lease.

28.

Counterparts/Signatures.    This  Amendment  may  be  executed  in  counterparts.   All  executed  counterparts  shall  constitute  one
agreement, and each counterpart shall be deemed an original.  The parties hereby acknowledge and agree that electronic signatures, facsimile signatures or
signatures transmitted by electronic mail in so-called “pdf” format shall be legal and binding and shall have the same full force and effect as if an original
of  this  Amendment  had  been  delivered.    Landlord  and  Tenant  (i)  intend  to  be  bound  by  the  signatures  (whether  original,  faxed  or  electronic)  on  any
document sent by facsimile or electronic mail, (ii) are aware that the other party will rely on such signatures, and (iii) hereby waive any defenses to the
enforcement of the terms of this Amendment based on the foregoing forms of signature.

29.

Miscellaneous.  This Amendment shall become effective only upon full execution and delivery of this Amendment by Landlord
and Tenant.  This Amendment contains the parties’ entire agreement regarding the subject matter covered by this Amendment, and supersedes all prior
correspondence,  negotiations,  and  agreements,  if  any,  whether  oral  or  written,  between  the  parties  concerning  such  subject  matter.    There  are  no
contemporaneous oral agreements, and there are no representations or warranties between the parties not contained in this Amendment.  This Amendment
shall  be  construed  and  enforced  in  accordance  with  the  laws  of  the  State  of  North  Carolina.    Except  as  modified  by  this  Amendment,  the  terms  and
provisions of the Lease shall remain in full force and effect, and the

 
 
 
Lease, as modified by this Amendment, shall be binding upon and shall inure to the benefit of the parties hereto, their successors and permitted assigns.

[Signature Page Follows]

[The remainder of this page has been intentionally left blank]

 
 
LANDLORD AND TENANT enter into this Amendment as of the Effective Date above.

LANDLORD:

DURHAM TW ALEXANDER, LLC,
A DELAWARE LIMITED LIABILITY COMPANY

By:
Name:
Title:
Date:

/s/ Adam Sichol
Adam Sichol
Authorized Signatory
May 11

, 2021

TENANT:

PRECISION BIOSCIENCES, INC.,
a Delaware corporation

By:
Name:
Title:

/s/ Sinu Bhandaru
Sinu Bhandaru
Vice President Operations & IT

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
THIS FIFTH AMENDMENT TO LEASE (this “Amendment”) is made and entered into as of the 13 day of December, 2021 (the “Effective
Date”), by and between DURHAM TW ALEXANDER, LLC, a Delaware limited liability company (“Landlord”), and PRECISION BIOSCIENCES,
INC., a Delaware corporation (formerly a North Carolina corporation) (“Tenant”).

FIFTH AMENDMENT TO LEASE

STATEMENT OF PURPOSE

WHEREAS,  Landlord  and  Tenant  entered  into  that  certain  Lease  dated  October  2,  2018  (“Initial Lease”),  as  amended  by  that  certain  First
Amendment to Lease dated December 23, 2019 (“First Amendment”), as further amended by that certain Second Amendment to Lease dated March 13,
2020 (“Second Amendment”), as further amended by that certain Third Amendment to Lease dated June 15, 2020 (“Third Amendment”), and as further
amended by that certain Fourth Amendment to Lease dated May 4, 2021 (“Fourth Amendment”) (as amended, the “Existing Lease”), for certain premises
containing approximately 33,828 rentable square feet on the first (1st) floor (the “Premises”) located in the building known as Biopoint Innovation Labs
located at 20 TW Alexander Drive, Research Triangle Park, North Carolina 27709 (the “Building”), as more particularly described in the Lease.

WHEREAS,  Landlord  and  Tenant  desire  to  amend  the  terms  of  the  Existing  Lease:  (i)  to  extend  the  date  by  which  Tenant  must  utilize  the
Tenant Improvements Allowance, as defined in the First Amendment, and (ii) to modify certain other terms of the Existing Lease.  For purposes hereof, the
Lease as amended by this Amendment is referred to as the “Lease.”  All capitalized terms not otherwise defined herein shall have the meanings set forth in
the Existing Lease.

NOW, THEREFORE, in consideration of the statement of purpose, the mutual covenants contained herein and other valuable consideration, the

receipt of which is hereby acknowledged, the parties hereto agree as follows:

30.

Recitals.  The recitals shall form a part of this Amendment.

31.

Extension of the Tenant Improvements Allowance Disbursement Deadline.  Due to various delays in the performance of the
Tenant Improvements, as defined in the First Amendment, Landlord and Tenant hereby agree that the deadline for Tenant to request disbursements from the
Tenant  Improvement  Allowance  under  Section  2.2  of  Exhibit  C  of  the  First  Amendment  shall  be  extended  until  December  31,  2022  (the  “Second TIA
Extension”).  For purposes of clarity, Landlord also hereby acknowledges and agrees that Tenant’s delayed occupancy of the Premises and construction
timeline does not constitute abandonment under Section 19.1.3 of the Lease.

32.

Counterparts/Signatures.    This  Amendment  may  be  executed  in  counterparts.   All  executed  counterparts  shall  constitute  one
agreement, and each counterpart shall be deemed an original.  The parties hereby acknowledge and agree that electronic signatures, facsimile signatures or
signatures transmitted by electronic mail in so-called “pdf” format shall be legal and binding and shall have the same full force and effect as if an original
of  this  Amendment  had  been  delivered.    Landlord  and  Tenant  (i)  intend  to  be  bound  by  the  signatures  (whether  original,  faxed  or  electronic)  on  any
document sent by facsimile or electronic mail, (ii) are aware that the other party will rely on such signatures, and (iii) hereby waive any defenses to the
enforcement of the terms of this Amendment based on the foregoing forms of signature.

33.

Miscellaneous.  This Amendment shall become effective only upon full execution and delivery of this Amendment by Landlord
and Tenant.  This Amendment contains the parties’ entire agreement regarding the subject matter covered by this Amendment, and supersedes all prior
correspondence,  negotiations,  and  agreements,  if  any,  whether  oral  or  written,  between  the  parties  concerning  such  subject  matter.    There  are  no
contemporaneous oral agreements, and there are no representations or warranties between the parties not contained in this Amendment.  This Amendment
shall  be  construed  and  enforced  in  accordance  with  the  laws  of  the  State  of  North  Carolina.    Except  as  modified  by  this  Amendment,  the  terms  and
provisions of the Lease shall remain in full force and effect, and the

 
 
 
Lease, as modified by this Amendment, shall be binding upon and shall inure to the benefit of the parties hereto, their successors and permitted assigns.

[Signature Page Follows]

[The remainder of this page has been intentionally left blank]

 
 
LANDLORD AND TENANT enter into this Amendment as of the Effective Date above.

LANDLORD:

DURHAM TW ALEXANDER, LLC,
A DELAWARE LIMITED LIABILITY COMPANY

By:
Name:
Title:
Date:

/s/Jessica Brock
Jessica Brock
Authorized Signatory
January 31, 2022

TENANT:

PRECISION BIOSCIENCES, INC.,
a Delaware corporation

By:
Name:
Title:

/s/Sinu Bhandaru
Sinu Bhandaru
VP, Operations and IT (24Jan2022)

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
SUBSIDIARIES OF PRECISION BIOSCIENCES, INC.

Exhibit 21.1

Legal Name of Subsidiary

Precision PlantSciences, Inc.

Precision BioSciences UK Limited

Jurisdiction of Organization

Delaware

England and Wales

 
 
 
 
 
 
 
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-230671 and 333-259369 on Form S-8 and
Registration Statement No. 333-238857 on Form S-3 of our report dated March 15, 2022, relating to the financial statements of
Precision BioSciences, Inc., appearing in this Annual Report on Form 10-K for the year ended December 31, 2021.

Exhibit 23.1

/s/ Deloitte & Touche LLP

Raleigh, North Carolina
March 15, 2022

 
CERTIFICATION PURSUANT TO
RULES 13a-14(a) AND 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934,
AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 31.1

I, Michael Amoroso, certify that:

1.

2.

3.

I have reviewed this Annual Report on Form 10-K for the fiscal year ended December 31, 2021 of Precision BioSciences, Inc.;

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the
statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this
report;

Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the
financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.

The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined
in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and
15d-15(f)) for the registrant and have:

(a)

(b)

(c)

(d)

Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our
supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by
others within those entities, particularly during the period in which this report is being prepared;

Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our
supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for
external purposes in accordance with generally accepted accounting principles;

Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the
effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most
recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably
likely to materially affect, the registrant’s internal control over financial reporting; and

5.

The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to
the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)

(b)

All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are
reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal
control over financial reporting.

Date: March 15, 2022

By:

/s/ Michael Amoroso
Michael Amoroso
President, Chief Executive Officer and Director
(principal executive officer)

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
CERTIFICATION PURSUANT TO
RULES 13a-14(a) AND 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934,
AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 31.2

I, John Alexander Kelly, certify that:

1.

2.

3.

I have reviewed this Annual Report on Form 10-K for the fiscal year ended December 31, 2021 of Precision BioSciences, Inc.;

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the
statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this
report;

Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the
financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.

The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined
in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and
15d-15(f)) for the registrant and have:

(a)

(b)

(c)

(d)

Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our
supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by
others within those entities, particularly during the period in which this report is being prepared;

Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our
supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for
external purposes in accordance with generally accepted accounting principles;

Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the
effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most
recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably
likely to materially affect, the registrant’s internal control over financial reporting; and

5.

The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to
the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)

(b)

All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are
reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal
control over financial reporting.

Date: March 15, 2022

By:

/s/ John Alexander Kelly
John Alexander Kelly
Chief Financial Officer
(principal financial officer)

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 32.1

In connection with the Annual Report of Precision BioSciences, Inc. (the “Company”) on Form 10-K for the fiscal year ended December 31, 2021
as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to §
906 of the Sarbanes-Oxley Act of 2002, that:

(1)

(2)

The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the
Company.

Date: March 15, 2022

By: /s/ Michael Amoroso

Michael Amoroso
President, Chief Executive Officer and Director
(principal executive officer)

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 32.2

In connection with the Annual Report of Precision BioSciences, Inc. (the “Company”) on Form 10-K for the fiscal year ended December 31, 2021
as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to §
906 of the Sarbanes-Oxley Act of 2002, that:

(1)

(2)

The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the
Company.

Date: March 15, 2022

By: /s/ John Alexander Kelly

John Alexander Kelly
Chief Financial Officer
(principal financial officer)