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Zosano Pharma Corporation

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FY2020 Annual Report · Zosano Pharma Corporation
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Table of Contents

Index to Financial Statements

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, 2020

or

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

Commission File Number 001-36570

ZOSANO PHARMA CORPORATION

(Exact name of registrant as specified in its charter)

Delaware
(State or other jurisdiction of
incorporation or organization)

45-4488360
(I.R.S. Employer
Identification No.)

34790 Ardentech Court
Fremont, CA 94555
(Address of principal executive offices) (Zip Code)

(510) 745-1200
(Registrant’s telephone number, including area code)

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

Title of Each Class
Common stock, par value $0.0001 per share

Trading Symbol
ZSAN

Name of Each Exchange on Which Registered
The Nasdaq Stock 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 Section 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
Emerging growth company

  ☐ 
  ☒
  ☐

Accelerated filer  
Smaller reporting 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 is a shell company (as defined in Rule 12b-2 of the Act).     Yes  ☐      No  ☒
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. ☐
The aggregate market value of voting and non-voting common equity held by non-affiliates of the registrant on June 30, 2020 (the last business day of the registrant’s

most recently completed second quarter) was approximately $49,001,935.

As of March 9, 2021, the registrant had a total of 106,289,885 shares of its common stock, $0.0001 par value per share, outstanding.

The information required by Part III of this Annual Report on Form 10-K, to the extent not set forth herein, is incorporated herein by reference from the registrant’s
definitive  proxy  statement  relating  to  the  Annual  Meeting  of  Stockholders  to  be  held  in  2021,  which  definitive  proxy  statement  will  be  filed  with  the  Securities  and
Exchange Commission within 120 days after the close of our fiscal year ended December 31, 2020.

DOCUMENTS INCORPORATED BY REFERENCE

 
 
 
  
  
  
 
 
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Zosano Pharma Corporation
Annual Report on Form 10-K
For the Fiscal Year ended December 31, 2020

TABLE OF CONTENTS

PART I

Page

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

Item 5.
Item 6.
Item 7.
Item 7A.
Item 8.
Item 9.
Item 9A.
Item 9B.

Item 10.
Item 11.
Item 12.
Item 13.
Item 14.

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

PART II
Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities
Selected Financial Data
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

PART III

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 Accountant Fees and Services

Item 15.
Item 16.

Exhibits and Financial Statement Schedules
Form 10-K Summary

PART IV

Signatures 

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Cautionary Note Regarding Forward-Looking Statements

This Annual Report on Form 10-K (this “Annual Report”) includes “forward-looking statements” within the meaning of the safe harbor provisions of
the  U.S.  Private  Securities  Litigation  Reform  Act  of  1995.  We  have  based  these  forward-looking  statements  largely  on  our  current  expectations  and
projections about future events and financial trends affecting the financial condition of our business. Forward-looking statements should not be read as a
guarantee of future performance or results and will not necessarily be accurate indications of the times at, or by, which such performance or results will be
achieved. Forward-looking statements are based on information available at the time those statements are made and/or management’s good faith belief as of
that time with respect to future events and are subject to risks and uncertainties that could cause actual performance or results to differ materially from
those expressed in or suggested by the forward-looking statements.

Forward-looking statements include all statements that are not historical facts. In some cases, you can identify forward-looking statements by terms
such as “may,” “will,” “should,” “could,” “would,” “expect,” “intend,” “seek,” “plan,” “anticipate,” “believe,” “estimate,” “project,” “predict,” “potential,”
or  the  negative  of  those  terms,  and  similar  expressions  and  comparable  terminology  intended  to  reference  future  periods.  Forward-looking  statements
include, but are not limited to, statements about:

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our expectations regarding our expenses and revenue, the sufficiency of our cash resources and needs for additional financing;

our  plans  for  resubmission  of  our  505(b)(2)  New  Drug  Application  ("NDA")  for  Qtrypta  to  the  U.S.  Food  and  Drug  Administration  (the
“FDA”),  including  our  plan  to  conduct  an  additional  pharmacokinetic  study  and  the  willingness  of  the  FDA’s  Division  of  Neurology  II  to
review the study protocol and provide comments prior to the initiation of the study;

our expectations regarding the clinical effectiveness and safety of our product candidates;

the ability to obtain and maintain regulatory approval of our product candidates, and the labeling for any approved product;

our manufacturing capabilities and strategy, and our ability to establish and maintain relationships with contract manufacturing organization(s)
to expand our manufacturing capacity;

the anticipated timing, costs and conduct of our planned clinical trials and preclinical studies;

our intellectual property position and our ability to obtain and maintain intellectual property protection for our product candidates;

our expectations regarding competition;

the anticipated trends and challenges in our business and the markets in which we operate;

the scope, progress, expansion, and costs of developing and commercializing our product candidates;

the size and growth of the potential markets for our product candidates and the ability to serve those markets;

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

our ability to establish and maintain development partnerships;

our ability to attract or retain key personnel;

our expectations regarding federal, state and foreign regulatory requirements; and

regulatory developments in the United States and foreign countries.

These statements reflect our current views with respect to future events and are based on assumptions and subject to risks and uncertainties, including
those set forth below in Item 1A, “Risk Factors,” and in our other reports filed with the U.S. Securities Exchange Commission. Given these uncertainties,
you should not place undue reliance on these forward-looking statements. These forward-looking statements represent our estimates and assumptions only
as of the date of this Annual Report on Form 10-K and, except as required by law, we undertake no obligation to update or revise publicly any forward-
looking statements, whether as a result of new information, future events or otherwise after the date of this Annual Report.

Unless the context otherwise indicates, references in this Annual Report to the terms “Zosano”, the “Company”, “we”, “our” and “us” refer to Zosano

Pharma Corporation.

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The following is a summary of the principal risks that could materially adversely affect our business, results of operations, and financial condition, all
of which are more fully described in Item 1A, “Risk Factors.” This summary should be read in conjunction with the Item 1A, “Risk Factors” and should
not be relied upon as an exhaustive summary of the material risks we face.

Risk Factors Summary

Below is a summary of some of the principal risks we face.

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We will need substantial additional funding to fund our operations, and we may not be able to continue as a going concern if we are unable to
do so. We could also be forced to delay, reduce or terminate our product development, other operations or commercialization effort.

We have a history of operating losses. We expect to continue to incur losses over the next several years and may never become profitable.

We have generated only limited revenues and will need additional capital to develop and commercialize our product candidates, which may
cause  dilution  to  our  existing  stockholders,  restrict  our  operations  or  require  us  to  relinquish  rights  to  our  technologies  or  lead  product
candidates.

Our build-to-suit arrangement with Trinity Funding 1, LLC (“Trinity”), the successor to Trinity Capital Fund III, L.P., imposes restrictions on
our business, and if we default on our obligations, Trinity would have a right to request payment in full of the build-to-suit obligation.

We have limited operating history and capabilities.

The development and commercialization of our product candidates are subject to many risks. For example, we received a complete response
letter  from  the  FDA  in  response  to  our  NDA  for  Qtrypta,  and  based  on  feedback  from  the  FDA,  we  are  planning  to  conduct  an  additional
pharmacokinetic  study  for  inclusion  in  an  NDA  resubmission  package.  However,  there  is  no  guarantee  that  we  will  be  able  to  adequately
address  the  issues  raised  to  the  FDA’s  satisfaction.  If  we  do  not  successfully  develop,  receive  approval  for,  and  commercialize  our  product
candidates, our business will be adversely affected.

If  the  FDA  does  not  conclude  that  our  product  candidates  satisfy  the  requirements  for  the  505(b)(2)  regulatory  approval  pathway,  or  if  the
requirements  for  approval  of  our  product  candidates  under  Section  505(b)(2)  are  not  as  we  expect,  the  approval  pathway  for  our  product
candidates  will  likely  take  significantly  longer,  cost  significantly  more  and  encounter  significantly  greater  complications  and  risks  than
anticipated, and in any case may not be successful.

Clinical trials are very expensive, time-consuming and difficult to design and implement.

The COVID-19 pandemic could adversely impact our business, including our clinical trials.

The results of our clinical trials may not support the intended use of Qtrypta or any other product candidates we may develop.

Clinical  failure  can  occur  at  any  stage  of  clinical  development.  Because  the  results  of  earlier  clinical  trials  are  not  necessarily  predictive  of
future  results,  any  product  candidate  we  advance  through  clinical  trials  may  not  have  favorable  results  in  later  clinical  trials  or  receive
regulatory approval.

We  use  customized  equipment  to  coat  and  package  our  transdermal  microneedle  system;  any  production  or  equipment  performance  failures
could negatively impact the clinical trials of our product candidates that we may develop or sales of our product candidate(s), if approved.

We currently depend primarily on third-party suppliers for manufacture of our product candidates. If these manufacturers fail to provide us or
our  collaborators  with  adequate  supplies  of  materials  for  clinical  trials  or  commercial  product  or  fail  to  comply  with  the  requirements  of
regulatory authorities, we may be unable to develop or commercialize Qtrypta or any other product candidates we may develop.

We rely on contract manufacturing organizations ("CMOs") for various components of our transdermal microneedle system, and our business
could be harmed if those third parties fail to provide us with sufficient quantities of those components at acceptable quality levels and prices or
fail to maintain or achieve satisfactory regulatory compliance.

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We rely on third parties to conduct our clinical trials and those third parties may not perform satisfactorily, including failing to comply with
applicable regulatory requirements or to meet deadlines for the completion of such trials.

We have no experience selling, marketing or distributing approved product candidates and have no internal capabilities to do so, and will rely
on  Eversana  and  other  third  parties  for  the  commercialization  of  Qtrypta,  and  we  and  they  may  not  be  able  to  effectively  market,  sell  and
distribute Qtrypta, if approved.

If we fail to comply with our obligations to our licensor in our intellectual property license, we could lose license rights that are important to
our business.

Our failure to obtain and maintain patent protection for our technology and our product candidates could permit our competitors to develop and
commercialize technology and products similar or identical to ours, and our ability to successfully commercialize our technology and product
candidates may be adversely affected.

The trading price of our common stock has been volatile with substantial price fluctuations on heavy volume, which could result in substantial
losses for purchasers of our common stock and existing stockholders.

If  we  are  unable  to  maintain  listing  of  our  securities  on  the  Nasdaq  Capital  Market  or  another  reputable  stock  exchange,  it  may  be  more
difficult for our stockholders to sell their securities.

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Item 1. BUSINESS

Overview

PART I

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Zosano  Pharma  Corporation  is  a  clinical-stage  biopharmaceutical  company  focused  on  providing  rapid  systemic  administration  of  therapeutics  and
other bioactive molecules to patients using our proprietary transdermal microneedle system (the “System”). Our System is designed to facilitate rapid drug
absorption into the bloodstream, which can result in an improved pharmacokinetic profile compared to original dosage forms. The System consists of a
3cm to 6cm   array  of  titanium  microneedles  approximately  200-350  microns  in  length,  coated  with  a  hydrophilic  formulation  of  drug,  mounted  on  an
adhesive patch. The patch is applied with a reusable hand-held applicator that presses the microneedles into the skin to a uniform depth in each application,
close  to  the  capillary  bed,  allowing  for  dissolution  and  absorption  of  the  drug,  but  not  deep  enough  to  contact  the  nerve  endings  in  the  skin.  The
microneedles penetrate the stratum corneum to allow the drug to be absorbed into the microcapillary system of the skin. We are focused on developing
products for indications in which we believe rapid onset, ease of use and product stability may offer significant therapeutic and practical advantages, and on
developing products where rapid administration of approved drugs with established safety and efficacy profiles provides an increased benefit to patients, in
markets where patients remain underserved by existing therapies. We anticipate that many of our current and future development programs may enable us
to utilize a regulatory pathway that would streamline clinical development and accelerate the path towards potential commercialization.

Our  development  efforts  are  currently  focused  on  our  product  candidate,  Qtrypta™  (M207)  ("Qtrypta").  Qtrypta  is  our  proprietary  formulation  of
zolmitriptan delivered utilizing our System. Zolmitriptan is one of a class of serotonin receptor agonists known as triptans and is used as an acute treatment
for  migraine.  Migraine  is  a  debilitating  neurological  disease,  symptoms  of  which  include  moderate  to  severe  headache  pain,  nausea  and  vomiting,  and
abnormal sensitivity to light and sound. Qtrypta was developed with the intent of providing faster onset of efficacy and sustained freedom from migraine
symptoms. Qtrypta is designed for rapid absorption of zolmitriptan into the bloodstream without dependence on the gastrointestinal ("GI") tract.

We submitted a 505(b)(2) New Drug Application (“NDA”) for Qtrypta to the U.S. Food and Drug Administration (the “FDA”) on December 20, 2019,
and  on  October  20,  2020,  we  received  a  Complete  Response  Letter  (“CRL”)  from  the  FDA  with  respect  to  the  NDA.  The  CRL  cited  inconsistent
zolmitriptan exposure levels observed across clinical pharmacology studies, which had been previously identified in the FDA’s discipline review letter that
we received on September 29, 2020. Specifically, the CRL noted differences in zolmitriptan exposures observed between subjects receiving different lots of
Qtrypta  in  our  clinical  trials  and  inadequate  pharmacokinetic  bridging  between  the  lots  that  made  interpretation  of  some  safety  data  unclear.  The  CRL
referenced  unexpected  high  plasma  concentrations  of  zolmitriptan  observed  in  five  study  subjects  enrolled  in  our  pharmacokinetic  studies.  The  FDA
recommended that we conduct a repeat bioequivalence study comparing lots manufactured with the equipment used during development. The CRL noted
that additional product quality validation data, which were planned to be submitted following approval, if received, were required to be submitted with the
application.  In  addition,  the  CRL  mentioned  that  due  to  U.S.  Government  and/or  Agency-wide  restrictions  on  travel,  inspections  of  our  contract
manufacturing facilities were not able to be conducted but would be required before the application may be approved.

On January 29, 2021, we held a Type A meeting with the FDA Division of Neurology II (the “Division”) regarding the requirements for resubmission
of the Qtrypta NDA. Based on feedback from the Type A meeting held with the Division, we plan to conduct an additional pharmacokinetic (“PK”) study
for inclusion in an NDA resubmission package. During the meeting, the Division did not request that we conduct any further clinical efficacy studies to
support  the  resubmission.  On  February  19,  2021,  we  received  the  official  Type  A  meeting  minutes  from  the  FDA.  The  Type  A  meeting  minutes  were
generally consistent with our expectations to conduct an additional PK study for inclusion in an NDA resubmission package. In a post-meeting comment,
the FDA recommended a skin assessment on patients in the planned PK study to generate additional safety information. This assessment is included in the
proposed study protocol, which has been submitted to the FDA. The Division indicated willingness to review the study protocol and provide comments
prior to the initiation of the study. Our plans for resubmitting the NDA are based on our discussions with the FDA and may be subject to change upon
receipt of the FDA’s comments to the proposed study protocol. We will incur additional costs and delays in our previously anticipated timeline for potential
commercialization due to the additional PK study, and our plan to resubmit the NDA may be further delayed and we may incur higher than anticipated
additional costs depending on the feedback we receive from the FDA on the study protocol and the time it takes to complete the PK study, or any additional
studies  or  other  requirements  of  the  FDA.  In  addition,  there  is  no  guarantee  that  we  will  be  able  to  adequately  address  the  issues  raised  to  the  FDA’s
satisfaction.

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We do not anticipate realizing product revenues unless and until the FDA approves our Qtrypta NDA and we begin commercializing Qtrypta, which

may never occur.

If  approved,  we  plan  to  use  contract  manufacturing  organizations  ("CMOs")  for  the  commercial  production  of  Qtrypta.  These  CMOs  include
companies  that  will  produce  the  various  components  that  comprise  our  patch,  our  applicator,  as  well  as  the  final  packaging  of  the  finished  product.  If
approved,  our  CMOs  will  be  required  to  produce  commercial  supply  of  Qtrypta  in  accordance  with  the  FDA’s  current  good  manufacturing  practices
("cGMP") regulations. These companies are located in the United States and have expertise and experience in contract manufacturing.

We  have  no  product  sales  to  date,  and  we  will  not  have  product  sales  unless  and  until  we  receive  approval  from  the  FDA,  or  equivalent  foreign
regulatory  bodies,  to  market  and  sell  our  product  candidates.  Accordingly,  our  success  depends  not  only  on  the  development,  but  also  on  our  ability  to
finance the development of each of our product candidates. We will require substantial additional funding to complete development and seek regulatory
approval for these products.

On August 6, 2020, we entered into a master services agreement (the “Eversana Agreement”) with Eversana Life Science Services, LLC (“Eversana”)
for the commercialization of Qtrypta in the United States, if approved by the FDA. Under the terms of the Eversana Agreement, Eversana and we will
cooperate  to  conduct  activities  over  the  term  of  the  Eversana  Agreement  pursuant  to  a  commercialization  budget  estimated  at  approximately  $250.0
million. We maintain ownership of the Qtrypta NDA as well as all legal, regulatory and manufacturing responsibilities for Qtrypta. Eversana receives an
exclusive right to conduct agreed commercialization activities and will utilize its internal sales organization along with its other commercial capabilities for
market access, marketing, distribution and patient support services for Qtrypta. Eversana will receive reimbursement of certain commercialization costs and
a low double digit to mid-teen percentage of product profits if and when our net sales for Qtrypta surpass certain costs incurred by the parties pursuant to
the commercialization budget.

The term of the Eversana Agreement is five years following the date, if any, that the FDA approves the NDA. Upon expiration or termination of the
Eversana  Agreement,  we  will  retain  all  profits  from  product  sales  consummated  after  expiration  or  termination  and  assume  all  future  corresponding
commercialization  responsibilities.  We  may  terminate  the  Eversana  Agreement  if  Eversana  fails  to  provide  pre-commercial  or  commercial  plans  and
budgets by specified dates, if we decide to discontinue development or commercialization efforts for Qtrypta in the United States (subject to a termination
payment if such termination occurs within a specified time period), or upon a change of control. Either party may terminate the Eversana Agreement if
FDA approval is not received by July 31, 2021, if net profits are not realized within a specified time period following commercial launch, for material
breach of the Eversana Agreement by the other party that is not cured within a defined time period, for insolvency of the other party, if Qtrypta is subject to
a safety recall in the United States or if Qtrypta is not commercially launched within a specified time period after FDA approval of the NDA (other than by
reason of the terminating party’s failure to perform its obligations under the Eversana Agreement). Due to the CRL and additional PK study, we do not
expect that FDA approval of the NDA will be received by July 31, 2021.

We  currently  have  no  internal  sales,  marketing  or  distribution  capabilities  and  we  plan  to  rely  on  Eversana  and  other  third  parties  for  the

commercialization of Qtrypta, if approved.

Our Strategy

Our  goal  is  to  make  transdermal  drug  delivery  a  preferred  delivery  modality  for  indications  where  rapid  onset,  ease  of  use  and  room  temperature
stability  of  the  formulation  may  offer  significant  therapeutic  and  practical  advantages  to  patients.  Our  near-term  focus  is  the  development  and
commercialization, if approved, of our lead product candidate, Qtrypta. The key elements of our strategy are to:

Develop and commercialize Qtrypta. We believe that Qtrypta, if approved by the FDA, will offer the following meaningful therapeutic and practical

advantages:

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Rapid absorption: We believe Qtrypta is the only triptan currently formulated to be delivered transdermally to have a rapid onset of action. In a
Phase I pharmacokinetic trial, Qtrypta provided rapid and reproducible zolmitriptan delivery. The amount of time it took zolmitriptan to reach
the maximum concentration (Tmax) was less than 20 minutes and was similar to subcutaneously administered sumatriptan. In the pivotal Phase
2/3 clinical trial, Qtrypta demonstrated pain relief beginning as early as 15 minutes (becoming statistically significant by 60 minutes).

Symptom  relief:  In  the  pivotal  Phase  2/3  clinical  trial,  Qtrypta  demonstrated  significant  pain  freedom,  pain  relief  and  freedom  from  most
bothersome symptom ("MBS") at two hours post-treatment, with most patients not requiring additional rescue medications. Post-hoc analyses
of  patients  with  difficult  to  treat  migraine,  such  as  morning  migraine,  migraine  with  nausea,  migraine  with  severe  pain  and  patients  who
delayed treatment, showed

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clinically  significant  pain  freedom  and  relief  as  compared  to  placebo.  Additionally,  the  efficacy  results  from  our  Long-Term  Safety  Study
("LTSS") of Qtrypta were similar to those of our pivotal Phase 2/3 clinical trial.

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Durability:  In  the  pivotal  Phase  2/3  trial,  Qtrypta  demonstrated  durable  impact  on  pain  freedom  and  pain  relief  through  24  and  48  hours
compared to placebo.

Favorable Safety Findings: In the LTSS, data from safety assessments showed that Qtrypta was well-tolerated throughout the 12 months of
repeated use. The most common adverse events were redness and swelling at the application site of which more than 95% were classified as
mild. Moreover, 80% of these site reactions resolved within 48 hours.

Pursue additional product candidates We have conducted initial feasibility studies on a number of compounds which suggest that our System may
have  potential  for  further  evaluation  with  large  molecules,  small  molecules,  and  vaccines.  We  are  focused  on  programs  where  we  believe  rapid  drug
delivery,  ease  of  use  and  formulation  room  temperature  stability  may  offer  meaningful  therapeutic  and  practical  advantages  to  patients  and  healthcare
providers. We are pursuing these programs with certain strategic partners to further the clinical and commercial development of such product candidates.

Qtrypta for Migraine

The focus of our development efforts is on our product candidate Qtrypta, our proprietary formulation of zolmitriptan, delivered via our System, which
is a member of a class of serotonin receptor agonists known as triptans, used for the acute treatment of migraine. Migraine is a debilitating neurological
disease, symptoms of which include moderate to severe headache pain, nausea and vomiting, and abnormal sensitivity to light and sound. A migraine often
lasts between four and 24 hours but may last as long as three days. Our Qtrypta System is applied to an individual’s upper arm to deliver zolmitriptan to the
systemic circulation, with the objective of:

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Providing rapid absorption of drug;

Clinically meaningful pain freedom and pain relief;

Clinically meaningful freedom from most bothersome symptom;

Sustained freedom from migraine symptoms up to 48 hours post-treatment; and

Avoiding exposure to the GI tract.

According to the American Research Foundation, migraine is a prevalent, chronic and disabling neurological disease impacting one billion patients
globally, making it the third most common disease in the world. The World Health Organization places migraine as one of the 10 most disabling medical
illnesses. The Migraine Research Foundation provides that, among women, who are disproportionately affected by migraine, 25% of migraine sufferers
experience four or more severe attacks per month.

In the United States, migraine affects approximately 39 million people, representing approximately 18% of women, 6% of men and 10% of children in
the country. Nearly one in four United States households includes someone who suffers from migraine. For more than 90% of those affected, migraine
interferes with education, career or social activities. Migraine attacks are estimated to lead to lost productivity costs as high as $36 billion annually in the
United States.

According to published studies, many patients experience difficult to treat migraine with:

•

•

•

•

41% reporting severe headache attacks are present upon awakening or morning migraine;

44% report persistent frequent nausea during a migraine;

49% report avoiding or delaying taking migraine medication; and

53% report severe headache attacks come on very quickly.

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While new classes of drugs for the acute treatment of migraine have been recently approved, triptans remain the standard of care for an acute migraine

attack. The American Headache Society Position Statement on Integrating New Migraine Treatments into Clinical Practice recommends:

•

•

•

•

Treating early after the onset of a migraine attack;

Choosing a non-oral route of administration for selected patients;

Accounting for tolerability and safety issues; and

Using migraine-specific agents (triptans & Dihydroergotamine) for moderate or severe attacks.

Patients however remain dissatisfied with their acute treatments. Patient reported outcomes from the Unmet Acute Treatment Needs from the 2017

Migraine in America Symptoms and Treatment Study (the "2017 MAST Study") showed that:

•

•

74% of patients had inadequate treatment response; and

Approximately 50% experienced inadequate pain freedom.

We believe that each of the currently available methods of non-oral administration, including nasal spray and subcutaneous injection, have significant
disadvantages.  Nasal  sprays  have  been  associated  with  taste  disturbances.  Patients  are  hesitant  to  self-administer  injections,  and  according  to  the  2017
MAST Study, 82% of patients discontinued using an injectable triptan due to side effects.

Two new classes of drugs, a Calcitonin gene-related peptide receptor ("CGRP") antagonist and a 5-HT (1F) agonist for the acute treatment of migraine
were  approved  in  2019,  and  one  additional  CGRP  antagonist  was  approved  in  2020.  While  these  new  acute  treatment  medications  offer  clinicians  and
patients greater choice, we believe these products also have limitations:

•

•

•

These drugs are oral tablets, and with many migraine patients reporting nausea with their attacks, taking a tablet can be difficult.

Published clinical studies on the CGRP receptor antagonists showed less than optimal therapeutic gain (active-placebo percentages) for pain
freedom and sustained pain freedom.

FDA labeling with the 5-HT (1F) agonist drug includes an eight-hour driving restriction and is a DEA scheduled drug.

ZOTRIP Phase 2/3 Trial Achieved Statistical Significance on Co-primary Endpoints with the 3.8mg Dose

On February 13, 2017, we announced the results of our ZOTRIP pivotal efficacy trial for Qtrypta. The ZOTRIP trial was a multicenter, double-blind,
randomized, placebo-controlled trial comparing three doses of Qtrypta (1.0mg, 1.9mg, and 3.8mg) to placebo for the treatment of a single migraine attack.
Subjects were enrolled in the ZOTRIP trial at 36 centers across the United States. Those subjects recruited into the trial had a history of at least one year of
migraine episodes with or without aura. Upon recruitment, the subjects entered a one-month run-in period that ensured they met the key eligibility criteria
of two to eight migraine attacks per month, which was documented using an electronic diary or an app on their cell phone. Subjects also identified the most
bothersome symptoms and indicated the presence or absence of nausea, phonophobia or photophobia, during the episodes in the run-in period. Successfully
screened subjects were then randomized into the treatment/dosing period in which they had 8 weeks to confirm and receive blinded treatment for a single
migraine attack, termed “qualifying migraine,” in which the subject’s most bothersome symptom had to be present. During a qualifying migraine, subjects
scored the severity of pain on a 4-point scale, the presence or absence of migraine-associated symptoms (phonophobia, photophobia, or nausea), starting
pre-dose and then at several intervals over 48 hours post-dose. The co-primary endpoints for the trial were pain freedom and most bothersome symptom
freedom at two hours. Safety was assessed by adverse events reported and other standard safety measures.

589 subjects were enrolled in the ZOTRIP trial, of which 365 were randomized. Of those randomized, 333 subjects were treated and are included in the
safety analysis, and 321 qualified for the modified intent-to-treat population. With the multiple doses and multiple endpoints in the trial, a sequential testing
procedure  was  used  beginning  with  the  highest  dose  and  the  co-primary  endpoints.  Since  statistical  significance  was  not  achieved  for  most  bothersome
symptom  in  the  1.9  mg  group,  statistical  significance  cannot  be  claimed  for  testing  thereafter.  Therefore,  p-values  for  secondary  endpoints  should  be
considered nominal p-values.

As illustrated in the tables and figure below, the ZOTRIP trial results demonstrated that the 3.8mg Qtrypta dose achieved statistically significant pain
freedom and most bothersome symptom freedom at two hours. The 3.8mg dose also achieved statistical significance in the secondary endpoints of pain
freedom at 45 minutes and 60 minutes and showed durability of effect

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on pain freedom at 24 and 48 hours. Additionally, Qtrypta was not associated with any serious adverse events ("SAEs"). While the 1.0mg and 1.9mg doses
of Qtrypta demonstrated statistical significance in pain freedom at two hours, they did not achieve statistical significance in freedom from most bothersome
symptom at two hours. Statistical significance is an indicator of the likelihood of an observed effect being due to the study drug rather than due to chance.
The “p” value is the probability of an event occurring by chance alone. When the p value is less than 5% (0.05) the results are considered to be statistically
significant.

ZOTRIP Trial Co-Primary Endpoint Results for 3.8mg

Primary endpoint
Pain freedom at 2 hours
Most bothersome symptom free at 2 hours

ZOTRIP Trial Secondary Endpoint Results for 3.8mg

Pain Freedom
Pain freedom at 45 minutes
Pain freedom at 60 minutes
Pain freedom at 24 hours
Pain freedom at 48 hours

Placebo
14.3%
42.9%

Placebo
5.2%
10.4%
39.0%
39.0%

Most Frequent Adverse Events (≥4% for any treatment group)

3.8mg M207
41.5%
68.3%

3.8mg M207
17.1%
26.8%
69.5%
64.6%

p-value
0.0001
0.0009

p-value
0.0175
0.0084
0.0001
0.0013

General disorders and administration site conditions
Application site erythema
Application site bruise
Application site pain
Application site bleeding
Dizziness

Placebo
10.8%
3.6%
1.2%
—%
—%

ZP-Zolmitriptan  
1  mg
16.3%
6.3%
2.5%
3.8%
1.3%

ZP-Zolmitriptan  
1.9  mg
19.5%
13.8%
2.3%
5.7%
—%

ZP-Zolmitriptan  
3.8 mg
26.5%
14.5%
9.6%
4.8%
4.8%

The ZOTRIP trial results demonstrating pain freedom after treatment with Qtrypta™ are illustrated below:

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Preplanned subgroup analysis:

Pain Freedom at 2 Hours
All Subjects
Morning Migraine

Sustained Pain Freedom
2 – 24 Hours
2 – 48 Hours

Pain Relief
1 Hour
2 Hours

Sustained Pain Relief
2 – 24 Hours
2 – 48 Hours

Nausea Freedom
2 Hours

Placebo
14.3%
15.9%

Placebo
10.4%
9.1%

Placebo
53.2%
57.1%

Placebo
37.7%
32.5%

Placebo
63.6%

3.8mg M207
41.5%
44.4%

3.8mg M207
31.7%
26.8%

3.8mg M207
68.3%
80.5%

3.8mg M207
68.3%
63.4%

3.8mg M207
81.7%

p-value
0.0001
0.0056

p-value*
0.001
0.0035

p-value*
< 0.05
< 0.05

p-value*
< 0.0001
< 0.0001

p-value*
< 0.05

*    The "p" value is the probability of an event occurring by chance alone. p-values are nominal because of order of statistical testing.

The following figures illustrate the percent of subjects who reported pain relief or pain freedom following Qtrypta or placebo treatment at the various

time points from 15 minutes to 48 hours (pain relief) or 30 minutes to 48 hours (pain freedom):

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M207 LTSS

In November 2017, we initiated our LTSS for Qtrypta as an acute treatment of migraine. The LTSS was an open label study evaluating the safety of the
3.8 mg dose of Qtrypta in migraine patients who had historically experienced at least two migraines per month. Patients were expected to treat a minimum
of two migraines per month on average, with no maximum treatment limits. The study was conducted at 31 sites in the United States with a defined data set
per protocol in which 150 subjects received repeated doses for six months and 50 subjects received repeated doses for one year. The study was open-label,
with investigator visits at months one, two, three, six, nine and twelve to record adverse events, if any. The primary objective of the LTSS was to assess
safety  of  Qtrypta  during  repeated  use  over  six  and  twelve  months.  Other  endpoints  were  electrocardiography  and  laboratory  parameters,  as  well  as
percentage of headaches with pain-free response.

In  October  2018,  we  announced  the  completion  of  the  first  phase  of  our  LTSS  with  more  than  150  evaluable  subjects  completing  six  months  of
treatment with Qtrypta. In February 2019, we announced the completion of the second phase of our LTSS with more than 50 evaluable subjects completing
one year of treatment with Qtrypta.

In September 2019, final results from the LTSS were presented at the 19th Congress of the International Headache Society in Dublin, Ireland. In the
trial, 257 subjects were treated on average for two or more migraines per month for six months and 127 subjects were treated on average for two or more
migraines a month for twelve months. Data from safety assessments showed that Qtrypta was well-tolerated throughout the 12 months of repeated use. The
most common adverse events were redness and swelling at the application site following patch application, of which more than 95% were classified as
mild. More than 80% of these site reactions were gone within 48 hours. Patients treated with Qtrypta reported less triptan-like neurological side effects than
are typically found with the class, with less than 2% of patients reporting effects such as dizziness and paresthesia.

Post-hoc Efficacy Analyses of Qtrypta

In June 2020, we presented new post-hoc efficacy analyses of Qtrypta as a virtual oral presentation on the 2020 American Headache Society’s Virtual
Annual Scientific Meeting Platform. Six different measurements of pain reduction from the exploratory efficacy results in the LTSS were examined and
compared to the positive clinical results observed in the Phase 2/3 Zotrip study. Across all six efficacy measurements, which included pain freedom and
pain relief at 2 hours, clinical activity observed in the LTSS during the one-year trial period treating approximately 5,600 migraine episodes was consistent
with the positive pivotal study results.

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Parameter

Pain Freedom at 2 hours
Pain Relief at 2 hours
Sustained Pain Freedom 2-24 hour
Sustained Pain Freedom 2-48 hour
Sustained Pain Relief 2-24 hour
Sustained Pain Relief 2-48 hour

ZOTRIP (Single Dose)

Placebo

(n = 77)

M207 3.8 mg

(n = 82)

Open-Label

Long-Term

M207 3.8 mg

(5,617 migraine episodes*)

14 %
57 %
10 %
9 %
38 %
33 %

42 %
81 %
32 %
27 %
68 %
63 %

44 %
81 %
38 %
35 %
70 %
65 %

* For sustained endpoints, data from all time points 2-24 (48) hours had to be present

Similar to the pivotal study, the most common adverse events observed in the LTSS were redness and swelling at the application site, of which more
than 95% were classified as mild. 80% of these site reactions were generally resolved within 48 hours. Subjects treated with Qtrypta reported less triptan-
like  neurological  side  effects  than  are  typically  found  with  the  class,  with  less  than  2%  of  subjects  in  the  LTSS  reporting  effects  such  as  dizziness  and
paresthesia.

On  February  1,  2021,  we  announced  that  early  onset  of  action  data  for  Qtrypta  were  presented  at  the  Annual  Headache  Cooperative  of  the  Pacific
Winter Conference. In a post-hoc retrospective analysis of data from the previously published ZOTRIP trial involving 365 subjects who received Qtrypta
3.8 mg or placebo, of 82 Qtrypta-treated subjects, 38 reported pain relief at 30 minutes, and 28 of the 38 subjects (74%) were pain free at two hours. All 6
subjects treated with Qtrypta who reported pain freedom at 30 minutes were pain-free at two hours. This compares to nine of 26 subjects (35%) in the
placebo group (n=77) who reported pain relief at 30 minutes that were pain free at 2 hours, and 1 of 2 subjects that were pain free at 30 minutes being pain
free at 2 hours.

Migraine Assessment of Current Therapy Scores

Migraine Assessment of Current Therapy (“Migraine-ACT”) scores for Qtrypta were evaluated at each clinical visit during the LTSS. The Migraine-
ACT score is established using a questionnaire that assesses four key components of effective migraine treatment, including: (1) global assessment of relief
(2-hour  pain  freedom),  (2)  headache  impact,  (3)  consistency  of  response  and  (4)  emotional  response.  At  the  last  time  point  assessed  (after  48  weeks  of
therapy) (n=184), we observed that the Migraine-ACT scores as of August 1, 2019, remained highly favorable across the four questions evaluated:

Question
Does your migraine medication work consistently, in the majority of your attacks?
Does the headache pain disappear within 2 hours?
Are you able to function normally within 2 hours?
Are you comfortable enough with your medication to be able to plan your daily activities?

C213 for the Treatment of Cluster Headache

Proportion who answered “Yes”
96%
85%
84%
94%

In October 2019, we announced that we had begun enrolling patients in our Acute Treatment of Cluster Headache placebo-controlled Phase 2/3 clinical
trial to evaluate the efficacy of C213 for the acute treatment of cluster headache. Like Qtrypta for the potential acute treatment of migraine, C213 for the
potential acute treatment of cluster headache consists of our investigational proprietary formulation of zolmitriptan delivered utilizing our System. Due to
the  novel  coronavirus  (“COVID-19”)  pandemic,  new  enrollment  into  the  clinical  trial  was  temporarily  suspended  between  March  2020  and  June  2020.
Subject enrollment resumed in July 2020, however, at a rate slower than originally anticipated. In November 2020, we decided to end enrollment of new
subjects into the clinical trial as of December 31, 2020 to conserve resources. We plan to continue to evaluate subjects enrolled prior to December 31, 2020.
Subjects enrolled in the Phase 2/3 study prior to December 31, 2020 were randomized to receive 1.9 mg of C213, 3.8 mg of C213, or placebo in a 1:1:1
fashion. The co-primary endpoints of the study are the proportion of patients who achieve pain relief at 15 minutes and the proportion of patients whose
pain relief is sustained from 15 minutes to 60 minutes. A total of 42 subjects were randomized in the trial.

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Our Research Programs

Our internal research and development programs use molecules with established safety and efficacy that are formulated to enable delivery through our
proprietary  System.  In  selecting  our  development  candidates,  we  consider  the  therapeutic  advantage  of  rapid  onset,  the  size  of  the  market,  the  level  of
competition and the commercial value.

2

2

Our System consists of a 3cm to 6cm  array of titanium microneedles approximately 200-350 microns in length, coated with a hydrophilic formulation
of drug, attached to an adhesive patch. The maximum amount of drug that can be coated on a patch’s microneedle array depends on the active molecule of
the drug formulation, the weight of the excipients in the drug formulation, and the coatable surface area of the microneedle array. For example, we use
patches with 2cm , 3cm  and 6cm  microneedle arrays. In the pivotal trial for Qtrypta, we used two 3cm  patches to deliver the appropriate dose. Based on
our  testing,  we  believe  3.8mg  of  zolmitriptan  could  also  be  coated  on  a  single  patch  with  a  6cm   microneedle  array  while  maintaining  acceptable
tolerability. The patch is applied with a hand-held reusable applicator that presses the microneedles into the skin to a uniform depth in each application,
close to the capillary bed, allowing for dissolution and absorption of the drug, but not deep enough to contact the nerve endings in the skin. The targeted
patch wear time is generally thirty to sixty minutes.

2

2

2

2

2

We  have  tested  our  System  in  preclinical  and  clinical  proof  of  concept  studies  that  demonstrated  its  technical  feasibility  with  multiple  compounds,
ranging  from  small  molecules  to  proteins.  Based  on  this  research,  we  believe  that  our  System  can  be  used  to  deliver  treatments  for  a  wide  variety  of
indications  in  which  rapid  absorption  can  enhance  onset  of  efficacy  and  sustainability  of  effect.  That  coupled  with  ease  of  use  might  offer  particularly
important therapeutic, practical, and commercial advantages over existing options.

Competition

Competition for our Product Candidates

The development and commercialization of new products to treat migraine and cluster headache is highly competitive. Several key competitive factors
have the potential to affect Qtrypta, if approved. These include safety, efficacy, convenience, price, the level of generic competition and the availability of
coverage and reimbursement from payers and government institutions.

We  expect  to  have  considerable  competition  from  major  pharmaceutical,  biotechnology,  specialty  pharmaceutical  and  medical  device  companies.
Many of our competitors have substantially greater financial, technical and other resources than we do. In addition, many of these companies have longer
operating histories and more experience in preclinical and clinical development, manufacturing, regulatory compliance and global commercialization.

Companies marketing products or that have products in development to treat migraine or cluster headache which may compete with our Qtrypta or
C213 product candidates include, but are not limited to, Teva Pharmaceutical Industries, GlaxoSmithKline, Eli Lilly & Company, AstraZeneca, Novartis,
Allergan,  Biohaven  Pharmaceuticals,  Lundbeck,  Amgen,  Merck  &  Co.,  Pfizer,  Janssen  Pharmaceutica,  Endo  International,  Assertio,  Upsher-Smith
Laboratories,  Satsuma  Pharmaceuticals,  Supernus  Pharmaceutical,  Currax  Pharmaceuticals,  Impel  NeuroPharma,  Axsome  Therapeutics,  electroCore,
eNeura, Cefaly, Theranica, Amneal Pharmaceuticals and generic manufacturers of acute and preventive therapies.

Competition in Drug Delivery Platforms

In addition to competition for our product candidates, as we develop opportunities to expand our product pipeline utilizing our drug delivery System,
we  face  additional  competition  from  companies  that  are  developing  or  that  may  develop  and  license  drug  delivery  platforms  similar  to  ours.  Such
companies  include,  but  are  not  limited  to  3M  Company,  Corium  International,  Inc.,  Radius  Health  Inc.,  Vaxxas  Inc.,  Becton,  Dickinson  and  Company,
NanoPass Technologies Ltd., Inovio Pharmaceuticals and Noven Pharmaceuticals, Inc.

Manufacturing and Research and Development

The  manufacturing  process  for  our  System  consists  of  three  primary  operations:  (1)  the  formation  of  the  microneedle  array,  involving  etching  of
titanium foil and subsequent array forming, (2) the application of the drug formulation to the microneedle array and (3) the manufacturing of the reusable
applicator.

We operate a manufacturing facility in Fremont, California, designed to comply with cGMP and believe we have adequate manufacturing capabilities
and  capacity  to  produce  our  System  for  preclinical,  Phase  1,  Phase  2  and  for  some  Phase  3  clinical  trials.  We  continue  to  expand  our  manufacturing
capabilities and have implemented automation of certain processes to further expand our capacity. We produced three cGMP registration batches of Qtrypta
in  the  third  quarter  of  2018,  which  have  been  used  to  support  our  NDA  filing  with  the  FDA.  We  purchase  various  components  or  intermediates  of  our
System from third-

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party vendors, including titanium foil, active pharmaceutical ingredients and excipients, inner ring, adhesive backing, ring and backing assembly, outer ring
and  primary  and  secondary  packaging  components.  The  majority  of  these  components  and  intermediaries  are  available  from  multiple  sources.  We  also
outsource the manufacturing of our applicators.

We  have  engaged  CMOs  to  produce  commercial  supplies  of  Qtrypta.  We  have  manufactured  three  cGMP  site  qualification  batches  of  Qtrypta  at  a
CMO site in Greenville, North Carolina, in order to enable the regulatory approval of this site for commercial manufacturing. Additional CMOs have been
engaged  for  the  production  of  components  that  comprise  our  System  and  these  CMOs  are  currently  building  out  facilities,  installing  equipment,  and
developing and validating the processes necessary to manage commercial operations for Qtrypta. The CRL received from the FDA mentioned that due to
U.S. Government and/or Agency-wide restrictions on travel, inspections of Zosano’s contract manufacturing facilities were not able to be conducted but
that such inspection would be required before the Qtrypta NDA may be approved.

As of December 31, 2020, our research and development group consisted of 32 employees, located at our headquarters location in Fremont, California.
Our  research  and  development  staff  have  broad  knowledge  and  skills  in  a  range  of  disciplines  applicable  to  formulation  of  drugs  and  the  design  and
manufacture of our System. The group has particular expertise in two areas critical to our success: developing drug formulations that can be delivered using
our System and optimizing the technology to deliver those drugs.

The  goals  of  our  research  and  development  efforts  are  to  identify  and  develop  drugs  that  can  be  delivered  using  our  System.  For  the  years  ended
December  31,  2020  and  2019,  we  incurred  $21.6  million  and  $25.4  million,  respectively,  of  research  and  development  expense.  See  Part  II.  Item  7.
“Management’s Discussion and Analysis of Financial Condition and Results of Operations” of this report for additional detail regarding our research and
development activities.

Intellectual Property

Our intellectual property strategy relies on a combination of patent, trade secret and trademark laws in the United States and other jurisdictions and on
license and confidentiality agreements to protect our proprietary technology and brand. The laws of some countries in which our products may be licensed
in the future may not protect our intellectual property rights to the same extent as the laws of the United States.

As of January 31, 2021, we held exclusive licenses to or owned 26 U.S. patents and seven pending U.S. patent applications, covering key features of

our System, such as formulation, methods of treatment, coating, array design, patch anchoring, patch application, delivery, manufacturing and packaging.

We have licensed all of these patents and patent applications from ALZA Corporation, a subsidiary of Johnson & Johnson ("ALZA"), on an exclusive
basis for all countries, with the exception of (i) one issued U.S. patent and four pending U.S. patent applications, and nine foreign (including two European)
patent applications covering the formulation of Qtrypta, (ii) two U.S. patents and one European patent, and a pending European patent application covering
stable  glucagon  peptide  formulation,  (iii)  one  pending  U.S.  patent  application  covering  transdermal  active  agent  delivery  devices  having  coronavirus
vaccine  coated  microprotrusions,  (iv)  one  pending  U.S.  patent  application  covering  transdermal  drug  delivery  devices  having  psilocybin,  lysergic  acid
diethylamide  (“LSD”)  or  3,4-methylenedioxymethamphetamine  (“MDMA”)  coated  microprotrusions,  and  (v)  a  new  applicator  design  described  below.
These  patents  and  patent  applications  are  foundational  and  apply  generally  to  our  product  candidates  and  applicator.  Under  the  terms  of  the  license
agreement with ALZA, we are responsible for all development and development costs related to our System. We are also responsible for commercializing
our System, including preparing and paying for all related regulatory filings. We are obligated to pay ALZA royalties in the low to mid-single digits on
sales by us of products that utilize the intellectual property covered by the licensed patents or any intellectual property that may be developed by us based
on certain ALZA know-how or inventions, and to pay ALZA amounts equal to the greater of royalties in the low to mid- single digits on sales by our
sublicensees of such products or a percentage in the mid-teens to low twenties of royalties received by us on sales by our sublicensees of such products. We
are also obligated to pay ALZA a percentage of non-royalty revenue that we receive from our sublicensees based on sales of such products. The license
agreement will terminate upon the expiration of our obligations to make the royalty and other payments described above to ALZA. Additionally, we may
terminate the agreement at any time for convenience upon prior written notice to ALZA, and either party may terminate the agreement upon a material
breach of the agreement by the other party.

We  have  filed  six  pending  U.S.  patent  applications  and  ten  pending  foreign  applications  covering  our  single-use  applicator  and  formulations  of
zolmitriptan, stable glucagon peptide, and applicator devices having coronavirus vaccine, psilocybin, LSD or MDMA-coated microprotrusions. The last of
our issued technology platform patents are projected to expire in 2027.

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We  rely  on  trade  secrets  to  protect  substantial  portions  of  our  technology.  We  generally  seek  to  protect  these  trade  secrets  by  entering  into  non-
disclosure  agreements  and  other  contractual  provisions  with  our  employees,  consultants  and  partners,  and  have  restricted  access  to  our  manufacturing
facilities and other technology.

We have one registered trademark to Zosano, “ZOSANO PHARMA", Reg. No. 3705884 and six pending trademark applications: Trademark App. No.
87525805 for "ADAM", Trademark App. No. 87851807 for "QNOVIS", Trademark App. No. 87851814 for "QTRYPTA", Trademark App. No. 87855458
for "TIZOVIAL", Trademark App. No. 87855469 for "QIXONTI", and Trademark App. No. 87855481 for "AXILARIM".

Government Regulation and Product Approval

United States—FDA Process

The research, development, testing, manufacture, labeling, promotion, advertising, distribution and marketing, among other things, of our products are
subject to extensive regulation by governmental authorities in the United States and other countries. Our product candidates are subject to regulation by the
FDA  as  a  drug/device  combination  product.  A  combination  product  generally  is  defined  as  a  product  comprised  of  components  from  two  or  more
regulatory  categories  (e.g.,  drug/device,  device/biologic,  drug/biologic).  Each  component  of  a  combination  product  is  subject  to  the  requirements
established by the FDA for that type of component, whether a new drug, biologic or device. To facilitate pre-market review of combination products, the
FDA designates one of its centers to have primary jurisdiction for the pre-market review and regulation of the overall product based upon a determination
by the FDA of the primary mode of action of the combination product. The determination of whether a product is a combination product, or two separate
products is made by the FDA on a case-by-case basis. We have discussed our development strategy with the FDA on our Qtrypta program and we believe
the primary mode of action is attributable to the drug component of the product, which means that the FDA's Center for Drug Evaluation and Research has
primary jurisdiction over the premarket development, review and approval of our Qtrypta product candidate. Accordingly, we have investigated Qtrypta
through the Investigational New Drug ("IND") application framework and are seeking approval through the NDA pathway. Based on our discussions with
the FDA to date, we do not anticipate that the FDA will require a separate medical device authorization for the device component of Qtrypta, but this could
change during its review of any marketing application that we may submit.

In  the  United  States,  the  FDA  regulates  drugs  and  devices  pursuant  to  the  Federal  Food,  Drug  and  Cosmetic  Act  ("FDCA")  and  its  implementing
regulations. Failure to comply with the applicable United States requirements may subject us to administrative or judicial sanctions, such as FDA refusal to
approve  pending  marketing  applications,  warning  or  untitled  letters,  product  recalls,  product  seizures,  total  or  partial  suspension  of  production  or
distribution, injunctions and/or criminal prosecution.

Drug Approval Process

None of our product candidates may be marketed in the United States until the product has received FDA approval. The steps to be completed before a

drug may be marketed in the United States include:

•

•

•

•

•

•

•

•

completion  of  preclinical  laboratory  tests,  animal  studies,  and  formulation  studies,  all  performed  in  accordance  with  the  FDA’s  Good
Laboratory Practice requirements and other applicable regulations;

submission to the FDA of an IND for human clinical testing, which must become effective before human clinical trials in the United States
may begin;

approval by an independent institutional review board ("IRB") or ethics committee at each clinical trial site before each trial may be initiated;

performance  of  adequate  and  well-controlled  human  clinical  trials,  in  accordance  with  good  clinical  practice  ("GCP")  requirements,  to
establish the safety and efficacy of the drug for each proposed indication to the FDA’s satisfaction;

submission to the FDA of an NDA after completion of all pivotal trials;

FDA acceptance and review of the NDA, which may require an FDA advisory committee review, if applicable;

satisfactory completion of an FDA pre-approval inspection of select clinical trial sites, and the manufacturing facility or facilities at which the
drug, along with its device components, is produced to assess compliance with cGMP requirements to assure that the facilities, methods and
controls  are  adequate  to  preserve  the  drug’s  identity,  strength,  quality  and  purity,  and  of  selected  clinical  investigation  sites  to  assess
compliance with GCPs; and

FDA approval of the NDA.

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Preclinical tests include laboratory evaluation of product chemistry, toxicity and formulation, as well as animal studies. The results of the preclinical
tests, together with manufacturing information, analytical data, product chemistry, controls and a proposed clinical trial protocol, are submitted to the FDA
as part of an IND, which must become effective before human clinical trials in the U.S. may begin. An IND will automatically become effective thirty days
after receipt by the FDA, unless before that time the FDA raises concerns or questions about issues such as the conduct of the trials as outlined in the IND.
In such a case, the IND sponsor and the FDA must resolve any outstanding FDA concerns or questions before clinical trials can proceed. 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. A separate submission to an existing IND must
also be made for each successive clinical trial conducted during product development.

Clinical trials involve the administration of the investigational drug 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 the objectives of the trial, the parameters to be used in monitoring safety and the effectiveness criteria to be
evaluated. Each protocol must be submitted to the FDA as part of the IND. 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.  Furthermore,  an  independent  IRB  for  each  site
proposing to conduct the clinical trial must review and approve the plan for any clinical trial and its 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.

Clinical trials necessary for product approval are typically conducted in the following three sequential phases, but the phases may overlap.

•

•

•

Phase 1: In Phase 1, through the initial introduction of the drug into healthy human subjects or patients, the drug is tested to assess metabolism,
pharmacokinetics, pharmacological actions, side effects associated with increasing doses, and, if possible, early evidence on effectiveness.

Phase 2: Phase 2 usually involves trials in a limited patient population to determine the effectiveness of the drug for a particular indication,
dosage tolerance and optimum dosage, and to identify common adverse effects and safety risks.

Phase 3:  Phase  3  trials  help  obtain  the  additional  information  about  clinical  efficacy  and  safety  in  a  larger  number  of  patients,  typically  at
geographically  dispersed  clinical  trial  sites,  to  permit  the  FDA  to  evaluate  the  overall  benefit-risk  relationship  of  the  drug  and  to  provide
adequate information for the labeling of the drug. In most cases, the FDA requires two adequate and well controlled Phase 3 clinical trials to
demonstrate the efficacy of the drug. A single Phase 3 trial with other confirmatory evidence may be sufficient in rare instances.

Phase  4  clinical  trials  are  conducted  after  FDA  approval  to  gain  additional  experience  from  the  treatment  of  patients  in  the  intended  therapeutic
indication  or  otherwise  when  requested  by  the  FDA  in  the  form  of  post-market  commitments.  Failure  to  promptly  conduct  any  required  Phase  4  post-
market studies could result in withdrawal of FDA approval.

The FDA or the sponsor may suspend a clinical trial at any time on various grounds, including a finding that the research subjects or patients are being
exposed to an unacceptable health risk. Similarly, an IRB can suspend or terminate approval of a clinical trial at its institution if the clinical trial is not
being conducted in accordance with the IRB’s requirements or if the drug has been associated with unexpected serious harm to patients. In addition, some
clinical trials are overseen by an independent group of qualified experts organized by the sponsor, known as a data safety monitoring board or committee.
Depending on its charter, this group may determine whether a trial may move forward at designated check points based on access to certain data from the
trial.

During  the  development  of  a  new  drug,  sponsors  are  given  opportunities  to  meet  with  the  FDA  at  certain  points.  These  points  may  be  prior  to
submission of an IND, at the end of Phase 2, and before an NDA is submitted. Meetings at other times may be requested. These meetings can provide an
opportunity for the sponsor to share information about the data gathered to date, for the FDA to provide advice, and for the sponsor and the FDA to reach
agreement on the next phase of development.

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Sponsors typically use the meetings at the end of the Phase 2 trial to discuss Phase 2 clinical results and present plans for the pivotal Phase 3 clinical trials
that they believe will support approval of the new drug.

Concurrent with clinical trials, companies usually complete additional animal studies and must also develop additional information about the chemistry
and  physical  characteristics  of  the  drug  and  finalize  a  process  for  manufacturing  the  product  in  commercial  quantities  in  accordance  with  cGMP
requirements. The manufacturing process must be capable of consistently producing quality batches of the product candidate and, among other things, the
manufacturer  must  develop  methods  for  testing  the  identity,  strength,  quality  and  purity  of  the  final  drug.  In  addition,  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.

While the IND is active and before approval, progress reports summarizing the results of the clinical trials and nonclinical studies performed since the
last progress report 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 same or similar drugs,
findings from animal or in vitro testing suggesting a significant risk to humans, and any clinically important increased incidence of a serious suspected
adverse reaction compared to that listed in the protocol or investigator brochure.

Assuming successful completion of the required clinical testing in accordance with all applicable regulatory requirements, the results of the preclinical
studies  and  of  the  clinical  trials,  together  with  other  detailed  information,  including  information  on  the  manufacture  and  composition  of  the  drug,  are
submitted to the FDA in the form of an NDA requesting approval to market the product for one or more indications. Under federal law, the submission of
most NDAs is subject to a substantial application user fee, and the manufacturer and/or sponsor under an approved NDA are also subject to annual program
user fees.

The FDA has 60 days from its receipt of an NDA to determine whether the application will be accepted for filing based on the agency's threshold
determination that such NDA is sufficiently complete to permit substantive review. The FDA may request additional information rather than accept the
NDA for filing. The FDA reviews NDAs through a two-tiered classification system, Standard Review and Priority Review. The FDA endeavors to review
Standard  Review  applications  within  ten  to  twelve  months,  whereas  FDA's  goal  is  to  review  Priority  Review  applications  within  six  to  eight  months,
depending on whether the drug is a new molecular entity. Even if the NDA is filed, companies cannot be sure that any approval will be granted on a timely
basis, if at all. The FDA may refer an application for a novel drug to an advisory committee. An advisory committee is a panel of independent experts,
including clinicians and other scientific experts, that reviews, evaluates and provides a recommendation as to whether the application should be approved
and under what conditions. The FDA is not bound by the recommendations of an advisory committee, but it considers such recommendations carefully
when making decisions.

Before approving an NDA, the FDA usually will inspect the facility or the facilities at which the drug is manufactured and will not approve the product
unless the manufacturing is in compliance with cGMP regulations. Additionally, before approving an NDA, the FDA will typically inspect one or more
clinical sites to assure compliance with GCPs. If the FDA does not approve of the NDA or the manufacturing facilities, it will issue a CRL to indicate that
the review cycle for an application is complete and that the application will not be approved in its present form. A CRL generally outlines the deficiencies
in the submission and may require substantial additional testing, or information required for the FDA to reconsider the application. If a CRL is issued, the
sponsor must resubmit the NDA, addressing all of the deficiencies identified in the letter, or withdraw the application. Even if such data and information
are submitted, the FDA may decide that the NDA does not satisfy the criteria for approval.

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  NDA  with  a  Risk  Evaluation  and  Mitigation  Strategy  (“REMS”)  to
ensure the benefits of the product outweigh its risks. 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, 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  also  require  one  or  more  Phase  4  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

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established,  or  the  FDA’s  policies  may  change,  which  could  impact  the  timeline  for  regulatory  approval  or  otherwise  impact  ongoing  development
programs.

In addition, under the Pediatric Research Equity Act (“PREA”), an NDA or supplement to an NDA must contain data that are adequate to assess the
safety and effectiveness of the drug for the claimed indications in all relevant pediatric subpopulations, and to support dosing and administration for each
pediatric subpopulation for which the product is safe and effective. The FDA has indicated that our product candidate Qtrypta is covered by the PREA, but
the FDA may, on its own initiative or at the request of an applicant, grant deferrals for submission of some or all pediatric data until after approval of the
product for use in adults, or full or partial waivers from the pediatric data requirements.

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. Drug 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.

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 untitled letters;

clinical holds on clinical studies;

refusal of the FDA to approve pending applications or supplements to approved applications, or suspension or revocation of product 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 drug products. 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.

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Hatch-Waxman Act

As part of the Drug Price Competition and Patent Term Restoration Act of 1984, the Hatch-Waxman Amendments, which provide alternative pathways
to regulatory approval through Sections 505(j) and 505(b)(2) of the FDCA, were enacted. Section 505(b)(2) permits the filing of an NDA where at least
some of the information required for approval comes from studies not conducted by or for the applicant and for which the applicant has not obtained a right
of  reference.  Section  505(j)  permits  applicants  with  generic  drug  products  to  submit  an  abbreviated  new  drug  application  ("ANDA")  in  reliance  upon
certain  preclinical  or  clinical  studies  conducted  for  an  approved  product.  The  FDA  may  also  require  companies  to  perform  additional  studies  or
measurements to support the change from the approved product. Under these pathways, the FDA may then approve the new product for all or some of the
label indications for which the referenced product has been approved, as well as for any new indication sought by a Section 505(b)(2) applicant.

To the extent that an ANDA or Section 505(b)(2) applicant is relying on studies conducted for an already approved product, which is referred to as the
Reference Listed Drug ("RLD"), the applicant is required to certify to the FDA concerning any listed patents in the FDA’s Orange Book publication that
relate to the RLD. Specifically, the applicant must certify for all listed patents one of the following certifications: (i) the required patent information has not
been filed by the original applicant; (ii) the listed patent already has expired; (iii) the listed patent has not expired, but will expire on a particular date and
approval is sought after patent expiration; or (iv) the listed patent is invalid or will not be infringed by the manufacture, use or sale of the new product.

If a Paragraph I or II certification is filed, the FDA may make approval of the application effective immediately upon completion of its review. If a
Paragraph  III  certification  is  filed,  the  approval  may  be  made  effective  on  the  patent  expiration  date  specified  in  the  application,  although  a  tentative
approval may be issued before that time. A certification that the new product will not infringe the RLD's listed patents or that such patents are invalid is
called a Paragraph IV certification. If an application contains a Paragraph IV certification, a series of events will be triggered, the outcome of which will
determine  the  effective  date  of  approval  of  the  new  application.  The  application  also  will  not  be  approved  until  any  non-patent  exclusivity,  such  as
exclusivity for obtaining approval of a new chemical entity or orphan drug exclusivity, listed in the Orange Book for the RLD has expired.

If the applicant has provided a Paragraph IV certification to the FDA, the applicant must also send notice of the Paragraph IV certification to the NDA
sponsor and to all patent holders for the RLD once the applicant’s ANDA or Section 505(b)2 NDA has been accepted for filing by the FDA. The NDA
sponsor and patent holders may then initiate a legal challenge to the Paragraph IV certification. The filing of a patent infringement lawsuit within 45 days
of their receipt of a Paragraph IV certification automatically prevents the FDA from approving the ANDA or Section 505(b)(2) NDA by imposing a 30-
month automatic stay on approval, which may be shortened by the court in a pending patent case if either party fails to reasonably cooperate in expediting
the case. The 30-month stay terminates if a court issues a final order determining that the patent is invalid, unenforceable or not infringed. Alternatively, if
the listed patent holder does not file a patent infringement lawsuit within the required 45-day period, the applicant’s NDA will not be subject to the 30-
month stay.

The  Hatch-Waxman  Act  provides  five  years  of  market  exclusivity  for  new  chemical  entities  which  prevents  the  FDA  from  accepting  ANDA  and
Section 505(b)(2) applications containing the protected active ingredient until the expiration of the five year market exclusivity. The Hatch-Waxman Act
also  provides  three  years  of  data  exclusivity  for  applications  containing  the  results  of  new  clinical  investigations  (other  than  bioavailability  studies)
essential to the FDA's approval of new uses of approved products such as new indications, delivery mechanisms, dosage forms, strengths or conditions of
use.  Should  this  occur,  the  FDA  would  be  precluded  from  approving  any  ANDA  or  505(b)(2)  application  that  relies  on  the  information  supporting  the
approval of the drug or the change to the drug for which the information was submitted and the exclusivity granted until after that three-year exclusivity
period has expired. However, the FDA can accept an application and begin the review process during the three-year exclusivity period.

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Coverage, Pricing and Reimbursement

Sales  of  products  that  we  may  market  in  the  future,  and  our  ability  to  generate  revenues  on  such  sales,  are  dependent,  in  significant  part,  on  the
availability of coverage and the level of reimbursement from third-party payers such as state and federal governments, managed care providers and private
insurance plans. Private insurers, such as health maintenance organizations and managed care providers, have implemented cost-cutting and reimbursement
initiatives and likely will continue to do so in the future. These include establishing formularies that govern the drugs and biologics that will be offered and
also the out-of-pocket obligations of member patients for such products. In addition, particularly in the United States and increasingly in other countries,
we  will  be  required  to  provide  discounts  and  pay  rebates  to  state  and  federal  governments  and  agencies  in  connection  with  purchases  of  any  of  our
products, if approved, that are reimbursed by such entities. We have consciously selected compounds for development that offer therapeutic benefit based
on  fast  onset  of  action.  If  our  product  candidates  are  approved  by  the  FDA,  we  intend  to  work  with  payers  to  demonstrate  the  clinical  benefits  of  our
products  over  other  delivery  modalities  and  we  intend  to  secure  adequate  and  commercially  favorable  pricing  and  reimbursement  levels,  but  we  cannot
guarantee that coverage or adequate reimbursement will be available.

In addition, significant uncertainty exists as to the reimbursement status of newly approved healthcare products. We may need to conduct expensive
clinical studies to demonstrate the comparative cost-effectiveness of our products. The product candidates that we develop may not be considered cost-
effective. It is time consuming and expensive for us to seek coverage and reimbursement from third-party payors. Moreover, a payor’s decision to provide
coverage for a drug product does not imply that an adequate reimbursement rate will be approved. Reimbursement may not be available or sufficient to
allow us to sell our products on a competitive and profitable basis.

The process for determining whether a payor will provide coverage for a product is typically separate from the process for setting the reimbursement
rate that the payor will pay for the product. A payor’s decision to provide coverage for a product does not imply that an adequate reimbursement rate will
be available. Additionally, in the United States there is no uniform policy among payors for coverage or reimbursement. third-party payors often rely upon
Medicare coverage policy and payment limitations in setting their own coverage and reimbursement policies, but also have their own methods and approval
processes. Therefore, coverage and reimbursement for products can differ significantly from payor to payor. One third-party payor’s decision to cover a
particular  medical  product  or  service  does  not  ensure  that  other  payors  will  also  provide  coverage  for  the  medical  product  or  service  or  will  provide
coverage at an adequate reimbursement rate. As a result, the coverage determination process will require us to provide scientific and clinical support for the
use of our products to each payor separately and will likely be a time-consuming process. If coverage and adequate reimbursement are not available, or are
available  only  at  limited  levels,  successful  commercialization  of,  and  obtaining  a  satisfactory  financial  return  on,  any  product  we  develop  may  not  be
possible.

Third-party payors are increasingly challenging the price and examining the medical necessity and cost-effectiveness of medical products and services,
in  addition  to  their  safety  and  efficacy.  To  obtain  coverage  and  reimbursement  for  any  product  that  might  be  approved  for  marketing,  we  may  need  to
conduct expensive studies in order to demonstrate the medical necessity and cost-effectiveness of any products, which would be in addition to the costs
expended to obtain regulatory approvals. Third-party payors may not consider our product or product candidates to be medically necessary or cost-effective
compared to other available therapies.

Additionally, the containment of healthcare costs (including drug prices) has become a priority of federal and state governments. The U.S. government,
state  legislatures,  and  foreign  governments  have  shown  significant  interest  in  implementing  cost-containment  programs,  including  price  controls,
restrictions  on  reimbursement,  and  requirements  for  substitution  by  generic  products.  Adoption  of  price  controls  and  cost-containment  measures,  and
adoption of more restrictive policies in jurisdictions with existing controls and measures, could limit our net revenue and results. If these third-party payors
do  not  consider  our  products  to  be  cost-effective  compared  to  other  therapies,  they  may  not  cover  our  products  or  product  candidates  if  approved  as  a
benefit under their plans or, if they do, the level of reimbursement may not be sufficient to allow us to sell our products on a profitable basis. Decreases in
third-party  reimbursement  for  our  products  once  approved  or  a  decision  by  a  third-party  payor  to  not  cover  our  products  could  reduce  or  eliminate
utilization of our products and have an adverse effect on our sales, results of operations, and financial condition. In addition, state and federal healthcare
reform  measures  have  been  and  will  be  adopted  in  the  future,  any  of  which  could  limit  the  amounts  that  federal  and  state  governments  will  pay  for
healthcare  products  and  services,  which  could  result  in  reduced  demand  for  our  products  or  product  candidates  once  approved  or  additional  pricing
pressures.

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Healthcare Reform

A primary trend in the United States healthcare industry and elsewhere is cost containment. There have been a number of federal and state proposals
during the last few years regarding the pricing of pharmaceutical and biopharmaceutical products, limiting coverage and reimbursement for drugs and other
medical products, government control and other changes to the healthcare system in the United States. For example, in March 2010, the U.S. Congress
enacted the Patient Protection and Affordable Care Act, as amended by the Health Care and Education Affordability Reconciliation Act of 2010 (“ACA”),
which,  among  other  things,  includes  changes  to  the  coverage  and  payment  for  drug  products  under  government  health  care  programs.  Among  the
provisions of the ACA of importance to our potential product candidates are:

•

•

•

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

Expansion  of  eligibility  criteria  for  Medicaid  programs  by,  among  other  things,  allowing  states  to  offer  Medicaid  coverage  to  certain
individuals  with  income  at  or  below  133%  of  the  federal  poverty  level,  thereby  potentially  increasing  a  manufacturer’s  Medicaid  rebate
liability; and

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

Since its enactment, there have been judicial, executive and Congressional challenges to certain aspects of the ACA. By way of example, the Tax Cuts
and Jobs Act of 2017 (“Tax Act”) was enacted, which, among other things, removed the penalties for not complying with the ACA’s individual mandate to
carry health insurance.

On December 14, 2018, a U.S. District Court Judge in the Northern District of Texas ruled that the ACA was invalid due to the legislative repeal of the
individual  mandate.  This  decision  was  subsequently  appealed,  and  on  December  18,  2019,  the  U.S.  Court  of  Appeals  for  the  Fifth  Circuit  affirmed  the
decision  of  the  district  court  that  the  individual  mandate,  as  amended  by  the  Tax  Act,  was  unconstitutional.  The  Fifth  Circuit  remanded  the  case  to  the
district court to consider a remedy, including to consider and explain which provisions of the ACA are inseverable and invalid. The U.S. Supreme Court is
currently reviewing the case, although it is unclear how the Supreme Court will rule. It is also unclear how other efforts, if any, to challenge, repeal or
replace the ACA will impact the ACA or our business.

Other legislative changes have been proposed and adopted in the United States since the ACA was enacted. In August 2011, the Budget Control Act of
2011, among other things, included aggregate reductions of Medicare payments to providers of two percent (2%) per fiscal year, which went into effect in
April  2013  and  will  remain  in  effect  through  2030,  with  the  exception  of  a  temporary  suspension  from  May  1,  2020  through  March  31,  2021,  unless
additional Congressional action is taken.

If  we  establish  international  operations,  we  will  be  subject  to  compliance  with  the  Foreign  Corrupt  Practices  Act  (the  “FCPA”),  which  prohibits
corporations and individuals from paying, offering to pay, or authorizing the payment of anything of value to any foreign government official, government
staff  member,  political  party,  or  political  candidate  in  an  attempt  to  obtain  or  retain  business  or  to  otherwise  influence  a  person  working  in  an  official
capacity. We also may be implicated under the FCPA for activities by our partners, collaborators, contract research organizations, vendors or other agents.

Our  present  and  future  business  has  been  and  will  continue  to  be  subject  to  various  other  laws  and  regulations.  Various  laws,  regulations  and
recommendations relating to safe working conditions, laboratory practices, the experimental use of animals, and the purchase, storage, movement, import
and export and use and disposal of hazardous or potentially hazardous substances used in connection with our research work are or may be applicable to
our activities. Certain agreements entered into by us involving exclusive license rights or acquisitions may be subject to national or supranational antitrust
regulatory  control,  the  effect  of  which  cannot  be  predicted.  The  extent  of  government  regulation,  which  might  result  from  future  legislation  or
administrative action, cannot accurately be predicted.

Other Healthcare Laws and Compliance Requirements

Healthcare providers and third-party payors play a primary role in the recommendation and prescription of drug products that are granted regulatory
approval. Although we currently do not have any products on the market, we may be subject to additional healthcare regulation and enforcement by the
federal  government  and  by  authorities  in  the  states  and  foreign  jurisdictions  in  which  we  conduct  our  business,  many  of  which  may  become  more
applicable to us if any of our product candidates are approved and we begin commercialization. Such laws include, without limitation, state and federal
anti-kickback, fraud and abuse, false claims, and physician sunshine transparency laws and regulations with respect to drug pricing and payments and other
transfers of value made to physicians and other healthcare providers, including those described below.

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

The federal civil and criminal false claims laws, including the civil False Claims Act, and civil monetary penalties laws, prohibit individuals or entities
from, among other things, knowingly presenting, or causing to be presented, to the federal government, claims for payment that are false or fraudulent or
making a false statement to avoid, decrease or conceal an obligation to pay money to the federal government. In addition, the government may assert that a
claim including items or services resulting from a violation of the federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the
civil False Claims Act.

The  federal  transparency  requirements  known  as  the  federal  Physician  Payments  Sunshine  Act,  implemented  under  the  ACA,  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 specific exceptions, to report annually to the Centers for Medicare & Medicaid Services, or CMS, within the U.S. Department of
Health  and  Human  Services,  information  related  to  payments  and  other  transfers  of  value  to  physicians  (as  defined  by  statute),  certain  other  healthcare
providers beginning in 2022, and teaching hospitals, and information regarding ownership and investment interests held by physicians and their immediate
family members.

The federal Health Insurance Portability and Accountability Act of 1996 ("HIPAA") created additional federal criminal laws that prohibit, among other
things, knowingly and willingly executing, or attempting to execute, a scheme or making false statements in connection with the delivery of or payment for
health  care  benefits,  items,  or  services.  Similar  to  the  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.

We are also and may become subject to analogous state and foreign laws and regulations, such as state anti-kickback and false claims laws, which may
apply to healthcare items or services that are reimbursed by non-governmental third-party payors, including private insurers. In addition, some state laws
require  pharmaceutical  companies  to  comply  with  the  pharmaceutical  industry’s  voluntary  compliance  guidelines  and  the  relevant  compliance  guidance
promulgated by the federal government in addition to requiring drug manufacturers to report information related to payments to physicians and other health
care providers or marketing expenditures. State and foreign laws also govern the privacy and security of health information in some circumstances, many of
which differ from each other in significant ways and often are not preempted by HIPAA, thus complicating compliance efforts.

Violation of any of such laws or any other governmental regulations that apply may result in penalties, including, without limitation, administrative,
civil and criminal penalties, damages, fines, additional reporting obligations and oversight if we become subject to a corporate integrity agreement or other
agreement  to  resolve  allegations  of  non-compliance  with  these  laws,  the  curtailment  or  restructuring  of  operations,  exclusion  from  participation  in
governmental healthcare programs and/or imprisonment.

Data Privacy and Security Laws

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 Federal Trade Commission 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 and non-U.S. laws, such as
the  California  Consumer  Privacy  Act  (“CCPA”),  the  California  Privacy  Rights  Act  (“CPRA”)  and  the  General  Data  Protection  Regulation  (“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.

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Human Capital

As  of  December  31,  2020,  we  had  45  employees,  all  of  whom  were  employed  full  time  and  located  in  the  United  States,  with  43  located  at  our
corporate  headquarters  in  Fremont,  California.  The  majority  of  our  employees  are  salaried.  Of  the  45  employees,  32  were  focused  on  research  and
development  activities  including  pre-clinical,  clinical  and  pre-commercial  manufacturing  activities  and  the  remainder  were  focused  on  general  and
administrative activities. Four of our employees hold doctorate degrees in their respective scientific and pharmaceutical fields. None of our employees are
represented  by  labor  unions.  Additionally,  we  make  extensive  use  of  third-party  contractors,  consultants  and  advisors  to  perform  many  of  our  present
activities. Our Code of Ethics provides for equal employment opportunity without discrimination or harassment on the basis of race, color, national origin,
religion, sex, age, sexual orientation, disability, or any other status protected by law.

We use a combination of fixed and variable pay including base salary, bonuses and stock-based compensation. Our annual bonuses are linked to overall
company performance, as well as each individual’s contribution to the results achieved. The principal purposes of our equity incentive plans are to attract,
retain and motivate employees and directors through the granting of stock-based compensation awards. The emphasis on overall company performance is
intended to align the employee’s financial interests with the interests of stockholders. We are committed to providing comprehensive benefit options and it
is  our  intention  to  offer  benefits  that  will  allow  our  employees  and  their  families  to  live  healthier  and  more  secure  lives.  We  provide  our  full-time
employees and their families with access to health programs and services for mental health, elder care and various personal support services through our
Employee Assistance Program. Our health and welfare benefits are supplemented with specific programs to manage or improve common health conditions,
a variety of voluntary benefits and paid time away from work programs.

Corporate Information

We  were  incorporated  under  the  laws  of  the  State  of  Delaware  as  ZP  Holdings,  Inc.  in  January  2012,  and  changed  our  name  to  Zosano  Pharma
Corporation  in  June  2014.  Our  business  was  spun  out  of  ALZA  Corporation,  a  subsidiary  of  Johnson  &  Johnson,  in  October  2006.  We  were  originally
incorporated under the name The Macroflux Corporation, and changed our name to Zosano Pharma, Inc. in 2007 following the spin-off from Johnson &
Johnson. In April 2012, in a transaction to recapitalize the business, a wholly-owned subsidiary of ZP Holdings was merged with and into Zosano Pharma,
Inc., whereby Zosano Pharma, Inc. was the surviving entity and became a wholly-owned subsidiary of ZP Holdings. In June 2014, Zosano Pharma, Inc.
changed its name to ZP Opco, Inc. ZP Group LLC, a former subsidiary that was originally formed as a joint venture with Asahi Kasei Pharmaceuticals
USA (Asahi), ceased operations in December 2013 and was dissolved on December 30, 2016. On November 1, 2017, ZP Opco, Inc. merged with and into
Zosano Pharma Corporation, with Zosano Pharma Corporation as the surviving corporation of the merger.

Our  principal  executive  offices  are  located  at  34790 Ardentech  Court,  Fremont,  California  94555.  Our  telephone  number  is  (510)  745-1200.  Our
website address is www.zosanopharma.com. The information contained on our website is neither incorporated by reference into nor a part of this Annual
Report on Form 10-K.

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Item 1A. RISK FACTORS

Investing in our common stock involves a high degree of risk. You should carefully consider the following risks and uncertainties, as well as general
economic and business risks, and all of the other information contained in this Annual Report on Form 10-K and other documents that we file with the U.S.
Securities and Exchange Commission ("SEC"). Any of the following risks could have a material adverse effect on our business, operating results, financial
condition and prospects and cause the trading price of our common stock to decline, which would cause you to lose all or part of your investment. Any of
the  following  risks  and  uncertainties  are,  and  will  be,  exacerbated  by  COVID-19  pandemic  and  any  worsening  of  the  global  business  and  economic
environment as a result. You should also refer to the other information contained in this Annual Report on Form 10-K, including our condensed financial
statements and the related notes thereto.

RISKS RELATED TO OUR FINANCIAL POSITION AND NEED FOR ADDITIONAL CAPITAL

We will need substantial additional funding to fund our operations, and we may not be able to continue as a going concern if we are unable to do so.
We could also be forced to delay, reduce or terminate our product development, other operations or commercialization effort.

Developing  and  commercializing  biopharmaceutical  products,  including  launching  new  products  into  the  marketplace  and  conducting  preclinical
studies and clinical trials, is an expensive and highly uncertain process that takes years to complete. As of December 31, 2020, we had an accumulated
deficit of $332.2 million and approximately $35.3 million in cash and cash equivalents as well as negative cash flows from operating activities. We do not
have sufficient cash and cash equivalents to fund our anticipated level of operations as they become due during the twelve months following the date of
issuance of this Annual Report on Form 10-K. The aforementioned factors raise substantial doubt about our ability to continue as a going concern.

There is no assurance that additional funds will be obtained for our ongoing operations or that we will succeed in our future operations. Specifically,
the  COVID-19  pandemic  has  caused  volatility  in  the  global  financial  markets  and  threatened  a  slowdown  in  the  global  economy,  which  may  adversely
affect our ability to raise additional capital on attractive terms or at all. A recession, depression or other sustained adverse market event resulting from the
spread of COVID-19 may also limit our ability to obtain financing for our operations. In addition, our audited financial statements included in our Annual
Report on Form 10-K for the year ended December 31, 2020 include an explanatory paragraph regarding our ability to continue as a going concern which
may discourage some third parties from contracting with us and some investors from purchasing our stock or providing alternative capital financing, which
could adversely affect our business, financial condition, results of operations and prospects.

We have a history of operating losses. We expect to continue to incur losses over the next several years and may never become profitable.

Since  inception,  we  have  incurred  significant  operating  losses.  For  the  twelve  months  ended  December  31,  2020,  we  incurred  a  net  loss  of  $33.4
million. As of December 31, 2020, we had an accumulated deficit of $332.2 million. We expect to continue to incur additional significant operating losses
and capital expenditures and anticipate that our expenses will increase substantially in the foreseeable future as we continue the development of our product
candidate, Qtrypta, or any other product candidates that we develop. These expenditures will be incurred for manufacturing, development, clinical trials,
regulatory compliance and infrastructure. Even if we succeed in developing, obtaining regulatory approval for and commercializing Qtrypta or any other
product candidates that we develop, because of the numerous risks and uncertainties associated with our commercialization efforts, we are unable to predict
that we will ever be able to manufacture, distribute and sell any of our products profitably, and we may never generate revenue that is significant enough to
achieve or maintain profitability. Even if we do achieve profitability, we may not be able to sustain or increase profitability on an ongoing basis.

We  have  generated  only  limited  revenues  and  will  need  additional  capital  to  develop  and  commercialize  our  product  candidates,  which  may  cause
dilution to our existing stockholders, restrict our operations or require us to relinquish rights to our technologies or lead product candidates.

Since  inception,  we  have  generated  no  revenues  from  product  sales.  We  are  not  approved  to  make  and  have  not  made  any  commercial  sales  of
products. We expect that our product development activities will require additional significant operating and capital expenditures resulting in negative cash
flow for the foreseeable future.

We expect to finance our cash needs through a combination of equity offerings, debt financing and license and collaboration agreements. In addition,
we may seek additional capital due to favorable market conditions or strategic considerations, even if we believe we have sufficient funds for our current or
future operating plans.

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However,  adequate  and  additional  funding  may  not  be  available  to  us  on  acceptable  terms  or  at  all.  To  the  extent  that  we  raise  additional  capital
through the sale of equity or convertible debt securities, your ownership interest will be diluted, and the terms of these securities may include liquidation or
other  preferences  that  adversely  affect  your  rights  as  a  common  stockholder.  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 on our common stock.

If we raise additional funds through collaborations, strategic alliances or marketing, distribution or licensing arrangements with third parties, we may

be required to relinquish valuable rights to our 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 or other arrangements with third parties when needed, we may be required
to  delay,  limit,  reduce  or  terminate  our  development  or  future  commercialization  efforts  or  partner  with  third  parties  to  develop  and  market  product
candidates that we would otherwise prefer to develop and market ourselves. The amount and timing of our future financing requirements will depend on
many factors, including:

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the scope, progress, expansion, and costs of manufacturing our product candidates;

the scope, progress, expansion, costs, and results of our clinical trials;

the timing of, and costs involved in, obtaining regulatory approvals;

the  type,  number,  costs,  and  results  of  the  product  candidate  development  programs  which  we  are  pursuing  or  may  choose  to  pursue  in  the
future;

our ability to establish and maintain development partnering arrangements;

the timing, receipt and amount of contingent, royalty, and other payments from any of our future development partners;

the emergence of competing technologies and other adverse market developments;

the costs of maintaining, expanding, and protecting our intellectual property portfolio, including potential litigation costs and liabilities;

the resources we devote to marketing, and if approved, commercializing our product candidates, including expenses we are obligated to incur
under our commercialization agreement with Eversana for Qtrypta, if approved; and

the costs associated with being a public company.

Our build-to-suit arrangement with Trinity imposes restrictions on our business, and if we default on our obligations, Trinity would have a right to
request payment in full of the build-to-suit obligation.

We agreed to covenants in connection with the Trinity build-to-suit arrangement that may limit our ability to take some actions without the consent of

Trinity, as applicable. In particular, without Trinity’s consent under the terms of the build-to-suit arrangement, we are restricted in our ability to:

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create liens on our property;

sell, transfer, or otherwise dispose of all or substantially all of our assets;

transfer, dispose or relocate financed equipment;

acquire or merge with another entity; and

engage in a transaction that would constitute 50% or more in change in control.

Our indebtedness to Trinity may prevent us from engaging in activities that could be beneficial to our business and our stockholders unless we repay

the outstanding obligation, which may not be desirable or possible.

We have pledged substantially all of our assets, including our intellectual property, to secure our obligations to Trinity. If we default on our obligations
prior to repaying this indebtedness and are unable to obtain a waiver for such default, Trinity would have a right to accelerate our payments under the build-
to-suit arrangement, as applicable, and possibly foreclose on the collateral, which would potentially include our intellectual property. Any such action on
the part of Trinity would significantly harm our business and our ability to operate.

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We have limited operating history and capabilities.

Although our business was formed in 2006, we have had limited operations since that time. We do not currently have the ability to perform the sales,
marketing and manufacturing functions at the Fremont, California site, necessary for the production and sale of Qtrypta or any other product candidate on a
commercial scale. The successful commercialization of Qtrypta or any other product candidate will require us to perform a variety of functions, including:

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•

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continuing to conduct clinical development of our product candidates;

obtaining required regulatory approvals;

formulating and manufacturing product; and

conducting sales and marketing activities.

Our  operations  continue  to  be  focused  on  pre-commercialization  efforts  for  Qtrypta,  developing  and  securing  our  proprietary  technology  and

undertaking preclinical and clinical trials of our product candidates.

We expect our financial condition and operating results to continue to fluctuate from quarter to quarter and year to year due to a variety of factors,
many  of  which  are  beyond  our  control.  We  are  currently  transitioning  from  a  research  and  development  focused  company  to  a  company  capable  of
undertaking  commercial  activities.  We  may  encounter  unforeseen  expenses,  difficulties,  complications  and  delays  and  may  not  be  successful  in  such  a
transition.

Interim,  “topline”  and  preliminary  data  from  our  clinical  trials  that  we  announce  or  publish  from  time  to  time  may  change  as  more  patient  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 publicly disclose preliminary or topline data from our preclinical studies and 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 study or 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 topline or preliminary 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. Topline data also remain subject to audit and verification procedures that may result in the final data being materially different from the
preliminary data we previously published. As a result, topline data should be viewed with caution until the final data are available.

From  time  to  time,  we  may  also  disclose  interim  data  from  our  preclinical  studies  and  clinical  trials.  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  preliminary  or  interim  data  and  final  data  could  significantly  harm  our  business  prospects.  Further,
disclosure of interim data by us or by our competitors could result in volatility in the price of our common stock.

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  material  or  otherwise
appropriate information to include in our disclosure.

If  the  interim,  topline,  or  preliminary  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,  our  product  candidates  may  be  harmed,  which  could  harm  our  business,
operating results, prospects or financial condition.

We face risks related to the Paycheck Protection Program loan, which could adversely affect our future cash flows and financial condition.

On April 21, 2020, we entered into a note (the “PPP Note”) with Silicon Valley Bank pursuant to the Paycheck Protection Program (“PPP”), which
provides for a loan in the amount of $1.6 million (the “PPP Loan”). The PPP, established as part of the Coronavirus Aid, Relief, and Economic Security Act
(the “CARES Act”), provides for loans to qualifying businesses and is administered by the U.S. Small Business Administration (“SBA”). The PPP Note is
subject to the terms and conditions applicable to loans administered by the SBA under the CARES Act, which are subject to revisions and changes by
Congress,

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the Treasury Department and SBA. The term of the PPP Loan is two years. The annual interest rate on the PPP Loan is 1.0% and principal and interest
payments are deferred until September 21, 2021. Under the terms of the CARES Act, PPP loan recipients can apply for and be granted forgiveness for all
or  a  portion  of  loans  granted  under  the  PPP.  Such  forgiveness  will  be  determined,  subject  to  limitations,  based  on  the  use  of  loan  proceeds  for  eligible
purposes, including payroll, benefits, rent and utilities, and the maintenance of our payroll levels. We applied for forgiveness of the entire $1.6 million loan
amount  and  accrued  interest  on  October  4,  2020,  utilizing  the  24-week  covered  period  allowed  by  the  SBA.  The  lender  reviewed  the  application  and
submitted it to the SBA on October 7, 2020. No assurance is provided that we will obtain forgiveness of the PPP Loan in whole or in part. If forgiveness is
not granted, the PPP Loan will need to be repaid by us, which could have an adverse effect on our future cash flows and financial condition. Additionally,
the  Treasury  Department  and  SBA  continue  to  develop  and  issue  new  and  updated  regulations  and  guidance  regarding  the  PPP  loan  process,  including
regarding required borrower certifications and requirements for forgiveness of loans made under the PPP. We continue to track the regulations and guidance
as  they  are  released  and  assess  and  re-assess  various  aspects  of  its  application  as  necessary.  However,  given  the  potential  for  additional  legislation,
regulation or guidance, and based on our projected ability to use the loan proceeds for qualifying expenses, we cannot give any assurance that the PPP Loan
will be forgivable in whole or in part. Finally, we may be subject to CARES Act-specific lookbacks and audits conducted by the Treasury, SBA or other
federal agencies, including oversight bodies created under the CARES Act. These bodies have the ability to coordinate investigations and audits and refer
matters to the Department of Justice for civil or criminal enforcement and other actions.

RISKS RELATED TO THE DEVELOPMENT AND COMMERCIALIZATION OF OUR PRODUCT CANDIDATES

The development and commercialization of our product candidates are subject to many risks. If we do not successfully develop, receive approval for,
and commercialize our product candidates, our business will be adversely affected.

To date, we have devoted the majority of our research, development and clinical efforts and financial resources toward the development of Qtrypta, our
proprietary formulation of zolmitriptan for the acute treatment of migraine headaches. In December 2019, we submitted a 505(b)(2) New Drug Application
(“NDA”) to the FDA seeking approval for Qtrypta. On September 29, 2020, we received a Discipline Review Letter (“DRL”) from the FDA in response to
the application. The DRL described two concerns with respect to the clinical pharmacology section of the NDA. First, the FDA raised questions regarding
unexpected  high  plasma  concentrations  of  zolmitriptan  observed  in  five  study  subjects  from  two  pharmacokinetic  studies,  and  how  the  data  from  these
subjects  affect  the  overall  clinical  pharmacology  section  of  the  application.  Second,  the  FDA  raised  questions  regarding  differences  in  zolmitriptan
exposures observed between subjects receiving different lots of Qtrypta in our clinical trials.

On October 20, 2020, we received a complete response letter (“CRL”) from the FDA in response to the Qtrypta NDA. The CRL stated that the FDA
determined  it  could  not  approve  the  NDA  in  its  present  form  and  provided  recommendations  to  address  the  remaining  approvability  issues  in  an  NDA
resubmission. The approvability issues are related to clinical pharmacology and product quality. The CRL cited inconsistent zolmitriptan exposure levels
observed across clinical pharmacology studies, which had been previously identified in the DRL. Specifically, the CRL noted differences in zolmitriptan
exposures observed between subjects receiving different lots of Qtrypta in our clinical trials and inadequate pharmacokinetic bridging between the lots that
made  interpretation  of  some  safety  data  unclear.  The  CRL  referenced  unexpected  high  plasma  concentrations  of  zolmitriptan  observed  in  five  study
subjects enrolled in our pharmacokinetic studies. The FDA recommended that we conduct a repeat bioequivalence study comparing lots manufactured with
the equipment used during development to address these issues.

The  CRL  further  noted  that  additional  product  quality  validation  data,  which  were  planned  to  be  submitted  following  approval,  if  received,  were
required  to  be  submitted  with  the  application.  In  addition,  the  CRL  mentioned  that  due  to  U.S.  Government  and/or  FDA-wide  restrictions  on  travel,
inspections of our contract manufacturing facilities were not able to be conducted, but that such inspections would be required before the application may
be approved.

On January 29, 2021, we held a Type A meeting with the FDA Division of Neurology II (the “Division”) regarding the requirements for resubmission
of  the  Qtrypta  NDA.  Based  on  feedback  from  the  Type  A  meeting  held  with  the  Division,  we  plan  to  conduct  an  additional  pharmacokinetic  study  for
inclusion in an NDA resubmission package. On February 19, 2021, we received the official Type A meeting minutes from the FDA. The Type A meeting
minutes  were  generally  consistent  with  our  expectations  to  conduct  an  additional  PK  study  for  inclusion  in  an  NDA  resubmission  package.  In  a  post-
meeting comment, the FDA recommended a skin assessment on patients in the planned PK study to generate additional safety information. This assessment
is  included  in  the  proposed  study  protocol,  which  has  been  submitted  to  the  FDA.  The  Division  indicated  willingness  to  review  the  study  protocol  and
provide comments prior to the initiation of the study. Our plans for resubmitting the NDA are based on our discussions with the FDA and may be subject to
change upon receipt of the FDA’s comments to the proposed study protocol. We will incur additional costs and delays in our previously anticipated timeline
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commercialization due to the additional PK study, and our plan to resubmit the NDA may be further delayed and we may incur higher than anticipated
additional costs depending on the feedback we receive from the FDA on the study protocol and the time it takes to complete the PK study, or any additional
studies  or  other  requirements  of  the  FDA.  In  addition,  there  is  no  guarantee  that  we  will  be  able  to  adequately  address  the  issues  raised  to  the  FDA’s
satisfaction.

In addition to the above factors, the development and commercialization of Qtrypta and any product candidates we may develop and commercialize in

the future is subject to many risks including:

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we may be unable to obtain additional funding to develop our product candidates;

we may experience delays in regulatory review and approval of our product candidates in clinical development;

the results of our clinical trials may not meet the level of statistical or clinical significance required by the FDA for marketing approval;

the FDA may disagree with the number, design, size, conduct or implementation of our clinical trials;

the FDA may not find the data from preclinical studies and clinical trials sufficient to demonstrate that clinical and other benefits outweigh its
safety risks;

the FDA may disagree with our interpretation of data from our preclinical studies and clinical trials or may require that we conduct additional
studies or trials;
we will be required to undertake additional clinical trials of Qtrypta before we receive approval of the NDA;

the FDA may not accept data generated at our clinical trial sites;

we may be unable to obtain and maintain regulatory approval of our product candidates in the United States and foreign jurisdictions;

potential  side  effects  of  our  product  candidates  could  delay  or  prevent  commercialization,  limit  the  indications  for  any  approved  product
candidate, require the establishment of a risk evaluation and mitigation strategy (“REMS”), or cause an approved product candidate to be taken
off the market;

the FDA may identify deficiencies in our manufacturing processes or facilities or those of our contract manufacturing organizations (“CMOs”);

the FDA may change its approval policies or adopt new regulations;

we will depend on third-party manufacturers to supply or manufacture our products;

we depend on contract research organizations to conduct our clinical trials;

we may experience delays in the commencement of, enrollment of patients in and timing of our clinical trials;

we may not be able to demonstrate that our product candidates are safe and effective treatments for their intended indications to the satisfaction
of the FDA or other similar regulatory bodies;

we may be unable to establish or maintain collaborations, licensing or other arrangements;

the market may not accept our product candidates, if approved;

we may be unable to establish and maintain an effective sales and marketing infrastructure;

we will depend on Eversana or another third party to commercialize Qtrypta, if approved;

we may experience competition from existing products or new products that may emerge; and

we and our licensors may be unable to successfully obtain, maintain, defend and enforce intellectual property rights important to protect our
product candidates.

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 regulatory authorities, which
may conclude that a financial relationship between us and a principal investigator has created a conflict of interest or otherwise affected interpretation of a
study. This could result in a delay in approval, or rejection, of our marketing applications. If any of these risks materializes, we could experience significant
delays  or  an  inability  to  successfully  commercialize  our  product  candidates,  which  would  have  a  material  adverse  effect  on  our  business,  financial
condition and results of operations.

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The LTSS for Qtrypta is an important step in the development of Qtrypta. If the results from the study do not establish the safety of Qtrypta to the
FDA's satisfaction, the regulatory approval process could be delayed or failed, and our business could be adversely affected.

In February 2019, we announced the completion of the final phase of our LTSS where more than 50 evaluable subjects were treated for a year, and in
September  2019,  we  announced  the  presentation  of  final  results  from  the  LTSS  at  the  19th  Congress  of  the  International  Headache  Society  in  Dublin,
Ireland.  The  results  of  the  LTSS  will  need  to  support  the  safety  of  Qtrypta  for  the  acute  treatment  of  migraine.  If  the  results  do  not  provide  sufficient
evidence for the FDA to determine the safety of Qtrypta, we could be required to conduct additional clinical or preclinical studies or we may be required to
delay, limit, reduce or terminate our development of Qtrypta. Also, even though we have discussed our development strategy with the FDA on our Qtrypta
program and received feedback from the FDA about the size and the length of the safety study, the FDA may require us to provide more data than we
currently  anticipate  before  approving  Qtrypta,  if  ever,  which  would  further  delay  the  regulatory  approval  process  and  require  additional  clinical  or
preclinical work; for example, in the CRL, the FDA recommended that we conduct a repeat bioequivalence study comparing lots manufactured with the
equipment used during development.

If  the  FDA  does  not  conclude  that  our  product  candidates  satisfy  the  requirements  for  the  505(b)(2)  regulatory  approval  pathway,  or  if  the
requirements for approval of our product candidates under Section 505(b)(2) are not as we expect, the approval pathway for our product candidates
will likely take significantly longer, cost significantly more and encounter significantly greater complications and risks than anticipated, and in any
case may not be successful.

We intend to seek FDA approval through the 505(b)(2) regulatory pathway for our product candidates described in this Annual Report on Form 10-K.
The  Drug  Price  Competition  and  Patent  Term  Restoration  Act  of  1984,  also  known  as  the  Hatch-Waxman  Act,  added  Section  505(b)(2)  to  the  Federal
Food, Drug and Cosmetics Act (“FDCA”). Section 505(b)(2) permits the filing of a NDA where at least some of the information required for approval
comes from studies that were not conducted by or for the applicant.

If the FDA does not allow us or any partner with which we collaborate to pursue the 505(b)(2) regulatory pathway for our product candidates, we or
they may need to conduct additional clinical trials, provide additional data and information and meet additional standards for regulatory approval. If this
were to occur, we or they will need to successfully complete additional Phase 2 and/or Phase 3 clinical trials and submit to the FDA for approval one or
more NDAs in order to obtain FDA approval to market our product candidates. The time and financial resources required to obtain FDA approval for our
product candidates would likely substantially increase. The conduct of later-stage clinical trials and the submission of a successful NDA is a complicated
process. To date, we have conducted only one Phase 2/3 clinical trial and one LTSS of Qtrypta. In addition, we have limited experience in preparing and
submitting regulatory filings, and other than the NDA for Qtrypta, we have not previously submitted an NDA for any product candidate. Consequently, the
completion of our clinical trials for Qtrypta for the potential treatment of migraine may not lead to a successful NDA submission. As discussed above, we
received  a  CRL  from  the  FDA  in  response  to  the  Qtrypta  NDA.  In  addition,  we  may  be  unable  to  successfully  and  efficiently  execute  and  complete
necessary clinical trials in a way that leads to an NDA submission for any other product candidate we may develop in the future.

Moreover,  the  inability  to  pursue  the  505(b)(2)  regulatory  pathway  could  result  in  new  competitive  products  reaching  the  market  faster  than  our
product  candidates,  which  could  materially  adversely  impact  our  competitive  position  and  prospects.  Even  if  we  are  allowed  to  pursue  the  505(b)(2)
regulatory pathway for our product candidates, we cannot assure you that we will receive the requisite approvals for commercialization of such product
candidates.

In addition, our competitors may file petitions with the FDA in an attempt to persuade the FDA that our product candidates, or the clinical studies that
support  their  approval,  contain  deficiencies.  Such  actions  by  our  competitors  could  delay  or  even  prevent  the  FDA  from  approving  any  NDA  that  we
submit under Section 505(b)(2).

Clinical trials are very expensive, time-consuming and difficult to design and implement.

Human clinical trials are very expensive, time-consuming and difficult to design and implement, in part because they are subject to rigorous regulatory
requirements,  and  their  outcome  is  inherently  uncertain.  Furthermore,  failure  of  a  product  candidate  can  occur  at  any  stage  of  the  trials,  and  we  could
encounter problems that cause us to abandon or repeat clinical trials.

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Further, we may experience delays in our ongoing clinical trials and we do not know whether planned clinical trials will begin on time, need to be
redesigned, enroll patients on time or be completed on schedule, if at all. The commencement and completion of clinical trials may be delayed by several
factors, including:

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•

changes in government regulation, administrative action or changes in FDA policy with respect to clinical trials that change the requirements
for approval;

delays in obtaining authorization from regulators and required IRB approval at each site to commence a trial;

imposition  of  a  clinical  hold  for  safety  reasons  or  following  an  inspection  of  our  clinical  trial  operations  or  trial  sites  by  the  FDA  or  other
regulatory authority;

delays in reaching agreement on acceptable terms with prospective CROs and clinical trial sites, or failure by such CROs or trial sites to carry
out the clinical trial at each site in accordance with the terms of our agreements with them;

difficulties or delays in having patients complete participation in a trial or return for post-treatment follow-up;

clinical sites electing to end their participation in one of our clinical trials, which would likely have detrimental effect on subject enrollment;

time required to add new clinical sites;

delays by our contract manufacturers to produce and deliver sufficient supply of clinical trial materials;

unforeseen safety issues;

determination of dosing issues;

lack of effectiveness during clinical trials;

slower than expected rates of patient recruitment and enrollment;

inability to raise or delays in raising funding necessary to initiate or continue a trial;

inability to monitor patients adequately during or after treatment; and

inability or unwillingness of medical investigators to follow our clinical protocols.

Disruptions  caused  by  the  COVID-19  pandemic  may  increase  the  likelihood  that  we  encounter  such  difficulties  or  delays  in  initiating,  enrolling,
conducting or completing our planned and ongoing clinical trials. For example, as a result of the COVID-19 pandemic, we temporarily suspended new
enrollment  into  our  Phase  2/3  clinical  trial  evaluating  C213  for  the  acute  treatment  of  cluster  headache  between  March  2020  to  June  2020.  Subject
enrollment resumed in July 2020, however, at a rate slower than originally anticipated. In November 2020, we decided to end enrollment of new subjects
into the clinical trial as of December 31, 2020.

In addition, we, the FDA, or other regulatory authorities and ethics committees with jurisdiction over our studies may terminate or suspend our clinical
trials  at  any  time  if  it  appears  that  we  are  exposing  participants  to  unacceptable  health  risks  or  if  the  FDA  or  other  authorities  find  deficiencies  in  our
regulatory submissions or the conduct of these trials. Therefore, we cannot predict with any certainty the schedule for existing or future clinical trials. Any
such unexpected expenses or delays in our clinical trials could increase our need for additional capital, which may not be available on favorable terms or at
all.

If we are required to conduct additional clinical trials or other testing of our product candidates beyond those that we currently contemplate, if we are
unable to successfully complete clinical trials of our product candidates or other testing, if the results of these clinical trials or tests are not positive or are
only modestly positive and/or if there are safety concerns, we may:

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be delayed in obtaining marketing approval for our product candidates;

not obtain marketing approval at all;

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

obtain approval with labeling that includes significant use or distribution restrictions or safety warnings;

be subject to additional post-marketing testing requirements; or

have our product candidates removed from the market after obtaining marketing approval.

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Our development costs will also increase if we experience delays in testing or in obtaining marketing approvals. We do not know whether any of our
preclinical studies or clinical trials will begin as planned, will need to be restructured or will be completed on schedule, or at all. Significant preclinical
study or clinical trial delays also could shorten any periods during which we may have the exclusive right to commercialize our product candidates or allow
our competitors to bring a product candidate to market before we do, and thereby impair our ability to successfully commercialize our product candidates.

The COVID-19 pandemic could adversely impact our business, including our clinical trials.

In  December  2019,  a  novel  strain  of  coronavirus,  COVID-19,  was  reported  to  have  surfaced  in  Wuhan,  China.  Since  then,  the  COVID-19
coronavirus  has  spread  to  multiple  countries,  including  the  United  States,  where  we  have  planned  or  ongoing  preclinical  studies  and  clinical  trials.  On
March 11, 2020, the World Health Organization declared the outbreak of COVID-19 as a global pandemic. The 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
have been disrupted, facilities have been closed and production has 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 spread of COVID-19, we have limited the
number of employees at our principal executive office to essential employees only, primarily research and development employees working in laboratories,
with  our  administrative  employees  continuing  their  work  outside  of  our  office.  We  have  also  limited  the  number  of  staff  in  any  given  research  and
development laboratory. These precautionary measures may disrupt and adversely affect our business and operations. If COVID-19 continues to spread in
the United States and elsewhere, we may experience additional disruptions that could severely impact our business, preclinical studies and clinical trials,
including:

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•

delays in receiving approval from local regulatory authorities to initiate our planned clinical trials;

delays or difficulties in enrolling subjects in our clinical trials;

delays or difficulties in clinical site initiation, including difficulties in recruiting clinical site investigators and clinical site staff;

delays in clinical sites receiving the supplies and materials needed to conduct our clinical trials, including interruption in global shipping that
may affect the transport of clinical trial materials;

changes in local regulations as part of a response to the COVID-19 pandemic which may require us to change the ways in which our clinical
trials are conducted, which may result in unexpected costs, or to discontinue such clinical trials altogether;

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 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, the occurrence of which could
affect the integrity of clinical trial data;

risk that participants enrolled in our clinical trials will contract COVID-19 while the clinical trial is ongoing, which could impact the results of
the clinical trial, including by increasing the number of observed adverse events;

interruptions or delays in preclinical studies due to restricted or limited operations at research and development laboratory facilities;

delays  in  necessary  interactions  with  local  regulators,  ethics  committees  and  other  important  agencies  and  contractors  due  to  limitations  in
employee resources or forced furlough of government employees;

limitations  in  employee  resources  that  would  otherwise  be  focused  on  the  conduct  of  our  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

refusal of the FDA to accept data from clinical trials in affected geographies.

The COVID-19 pandemic continues to rapidly evolve. The extent to which the 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 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 and the effectiveness of actions taken in the United States and other countries to contain and treat the disease.

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The results of our clinical trials may not support the intended use of Qtrypta or any other product candidates we may develop.

We cannot be certain that the results from any completed clinical trial or any future clinical trial, if completed as planned, will support the intended use
of our products. Success in preclinical testing and early clinical trials does not ensure that later clinical trials will be successful, and we cannot be sure that
the results of later clinical trials will replicate the results of prior clinical trials and preclinical testing. The clinical trial process may fail to demonstrate that
our product candidates are safe and effective in humans for its intended uses. This failure would cause us to abandon a product candidate and may delay
development  of  other  product  candidates.  Any  delay  in,  or  termination  of,  our  clinical  trials  will  delay  the  submission  of  an  NDA  with  the  FDA  and,
ultimately, our ability to commercialize our product candidates and generate revenues. In addition, our clinical trials to date have involved small subject
populations. Because of the small sample sizes, the results of these clinical trials may not be indicative of future results.

Clinical  failure  can  occur  at  any  stage  of  clinical  development.  Because  the  results  of  earlier  clinical  trials  are  not  necessarily  predictive  of  future
results, any product candidate we advance through clinical trials may not have favorable results in later clinical trials or receive regulatory approval.

Clinical failure can occur at any stage of clinical development. Clinical trials may produce negative or inconclusive results, and we may decide, or
regulators may require us, to conduct additional clinical or preclinical trials. In addition, data obtained from trials are susceptible to varying interpretations,
and regulators may not interpret our data as favorably as we do, which may delay, limit or prevent regulatory approval. Success in preclinical testing, early
clinical trials and even later stage clinical trials, such as our phase 2/3 ZOTRIP trial, does not ensure that later clinical trials will generate the same results
or otherwise provide adequate data to demonstrate the efficacy and safety of a product candidate. Frequently, product candidates that have shown promising
results in early clinical trials have subsequently suffered significant setbacks in later clinical trials. In addition, the design of a clinical trial can determine
whether  its  results  will  support  approval  of  a  product  and  flaws  in  the  design  of  a  clinical  trial  may  not  become  apparent  until  the  clinical  trial  is  well
advanced  or  completed.  While  members  of  our  management  team  have  experience  in  designing  clinical  trials,  we  have  limited  experience  in  designing
clinical trials and we may be unable to design and execute a clinical trial to support regulatory approval. Further, clinical trials of potential products often
reveal that it is not practical or feasible to continue development efforts. If our product candidates are found to be unsafe or lack efficacy, we will not be
able to obtain regulatory approval for them and our business would be harmed.

We may in the future conduct clinical trials for product candidates in sites around the world, and government regulators, including the FDA in the
United States, may choose to not accept data from trials conducted in such locations.

We have conducted, and may in the future choose to conduct, one or more of our clinical trials outside the United States.

There is no guarantee that data from these clinical trials will be accepted by regulators or considered sufficient for approving our product candidates
for commercial sale. In the case of the United States, although the FDA may accept data from clinical trials conducted outside the United States, acceptance
of  this  data  is  subject  to  certain  conditions  imposed  by  the  FDA.  For  example,  the  clinical  trial  must  be  conducted  in  accordance  with  good  clinical
practices  (“GCP”)  requirements  and  conducted  such  that  the  FDA  is  able  to  validate  the  data  from  the  study  through  an  onsite  inspection  if  deemed
necessary.  In  addition,  while  these  clinical  trials  are  subject  to  the  applicable  local  laws,  FDA  acceptance  of  the  data  will  be  dependent  upon  its
determination that the trials also complied with all applicable U.S. laws and regulations. There can be no assurance the FDA will accept data from trials
conducted outside of the United States. If the FDA does not accept the data from our clinical trials, it would likely result in the need for additional clinical
trials, which would be both costly and time-consuming and likely to delay or permanently halt our development of a product candidate. Similar regulations
and risks apply to other jurisdictions as well.

In  addition,  the  conduct  of  clinical  trials  outside  the  United  States  could  have  a  significant  negative  impact  on  us.  Risks  inherent  in  conducting

international clinical trials include:

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foreign regulatory requirements that could restrict or limit our ability to conduct our clinical trials;

administrative burdens of conducting clinical trials under multiple foreign regulatory schema;

foreign exchange fluctuations; and

diminished protection of intellectual property in some countries.

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We will not be able to sell our products if we do not obtain required United States regulatory approvals.

We cannot assure you that we will receive the approvals necessary to commercialize Qtrypta or any product candidate we acquire or develop in the
future.  We  will  need  FDA  approval  to  commercialize  our  product  candidates  in  the  United  States.  In  order  to  obtain  FDA  approval  of  any  product
candidate, we expect that we will have to submit to the FDA an NDA demonstrating that the product candidate is safe for humans and effective for its
intended indication and indicated use. This demonstration requires significant research and animal tests, which are referred to as preclinical studies, as well
as human tests, which are referred to as clinical trials. Satisfaction of the FDA’s regulatory requirements typically takes many years, depends upon the type,
complexity and novelty of the product candidate and requires substantial resources for research, development and testing. We cannot predict whether our
product candidates will ultimately be considered safe for humans and effective for indicated uses by the FDA. The FDA has substantial discretion in the
drug approval process and may require us to conduct additional preclinical and clinical testing or to perform post-marketing studies. The approval process
may also be delayed by changes in government regulation, future legislation or administrative action or changes in FDA policy that occur prior to or during
its regulatory review. Delays in obtaining regulatory approvals may:

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delay commercialization of, and our ability to derive product revenues from, our products;

impose costly procedures on us; and

diminish any competitive advantages that we may otherwise enjoy.

We may never obtain regulatory approval for any of our product candidates. Failure to obtain approval of any of our product candidates will severely
undermine our business by leaving us without a saleable product, and therefore without any source of revenues, unless other products can be developed.
There is no guarantee that we will ever be able to develop or acquire another product.

Even if Qtrypta or any other product candidates we develop in the future receive regulatory approval, our business is subject to extensive regulatory
requirements which include ongoing and continued regulatory review, which may result in significant expense and limit our ability to commercialize
our products.

The manufacturing processes, post-approval clinical data, labeling, advertising and promotional activities for our product candidates will be subject to
continual  requirements  of  and  review  by  the  FDA  and  other  regulatory  authorities.  These  requirements  include  submissions  of  safety  and  other  post-
marketing information and reports, registration and listing requirements, current good manufacturing practice (“cGMP”) requirements relating to quality
control, quality assurance and corresponding maintenance of records and documents, requirements regarding the distribution of samples to physicians and
recordkeeping. The regulatory approvals for our product candidates, if any, may be subject to limitations on the indicated uses for which the products may
be marketed or to the conditions of approval or contain requirements for costly post-marketing testing and surveillance to monitor the safety or efficacy of
the product candidate.

The  FDA  has  the  authority  to  require  a  REMS  as  part  of  an  NDA  or  after  approval,  which  may  impose  further  requirements  or  restrictions  on  the
distribution or use of an approved drug, such as limiting prescribing authorization to certain physicians or medical centers that have undergone specialized
training, limiting treatment to subjects who meet certain safe-use criteria or requiring patient testing, monitoring and/or enrollment in a registry.

We may also be subject, directly or indirectly through our customers and partners, to various fraud and abuse laws, including, without limitation, the
U.S.  Anti-Kickback  Statute,  U.S.  False  Claims  Act,  and  similar  state  laws,  which  impact,  among  other  things,  our  proposed  sales,  marketing,  and
scientific/educational grant programs. If we participate in the U.S. Medicaid Drug Rebate Program, the Federal Supply Schedule of the U.S. Department of
Veterans Affairs, or other government drug programs, we will be subject to complex laws and regulations regarding reporting and payment obligations. All
of these activities are also potentially subject to U.S. federal and state consumer protection and unfair competition laws and similar requirements in other
countries.

With  respect  to  sales  and  marketing  activities  by  us  or  any  future  partner,  advertising  and  promotional  materials  must  comply  with  FDA  rules  in
addition  to  other  applicable  federal,  state  and  local  laws  in  the  United  States  and  similar  legal  requirements  in  other  countries.  In  addition,  our  product
labeling,  advertising  and  promotion  would  be  subject  to  regulatory  requirements  and  continuing  regulatory  review.  The  FDA  strictly  regulates  the
promotional claims that may be made about prescription products. In particular, a product may not be promoted for uses that are not approved by the FDA
as  reflected  in  the  product’s  approved  labeling.  If  we  receive  marketing  approval  for  our  products,  physicians  may  nevertheless  legally  prescribe  our
products to their patients in a manner that is inconsistent with the approved label. If we are found to have promoted such off-label uses, we may become
subject to significant liability and government fines. The FDA and other agencies actively enforce the laws and regulations prohibiting the promotion of
off-label uses, and a company that is found to have improperly

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promoted off-label uses may be subject to significant sanctions, including revocation of its marketing approval. 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  of  permanent  injunctions  under  which  specified  promotional  conduct  is  changed  or
curtailed.

In  addition,  later  discovery  of  previously  unknown  problems  with  our  product  candidates,  manufacturing  processes,  or  failure  to  comply  with

regulatory requirements, may yield various results, including:

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restrictions on the labeling or marketing of a product;

restrictions on product distribution or use;

requirements to conduct post-marketing clinical trials;

warning or untitled letters;

withdrawal of the products from the market;

refusal to approve pending applications or supplements to approved applications that we submit;

recall of products;

fines, restitution or disgorgement of profits or revenue;

suspension or withdrawal of marketing approvals;

refusal to permit the import or export of our products;

product seizure; or

injunctions or the imposition of civil or criminal penalties.

The  occurrence  of  any  event  or  penalty  described  above  may  inhibit  our  ability  to  commercialize  our  products  and  generate  revenue.  Adverse

regulatory action, whether pre- or post-approval, can also potentially lead to product liability claims and increase our product liability exposure.

We also 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. For example, the results of the 2020 U.S. Presidential Election may impact our business and industry. Namely,
the previous administration took several executive actions, including the issuance of a number of executive orders, that could impose significant burdens
on,  or  otherwise  materially  delay,  the  FDA’s  ability  to  engage  in  routine  regulatory  and  oversight  activities  such  as  implementing  statutes  through
rulemaking, issuance of guidance, and review and approval of marketing applications. It is difficult to predict whether or how these executive actions will
be implemented, or whether they will be rescinded and replaced under the Biden administration. The policies and priorities of a new administration are
unknown  and  could  materially  impact  the  regulations  governing  our  product  candidates.  If  we  are  slow  or  unable  to  adapt  to  changes  in  existing
requirements or the adoption of new requirements or policies, or if we are not able to maintain regulatory compliance, we may be subject to enforcement
action, and we may not achieve or sustain profitability.

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 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 ability to hire and retain key personnel and accept the payment of user fees, and other events that may
otherwise affect the FDA’s ability to perform routine functions. Average review times at the FDA 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 may also slow the time necessary for new drugs, or modifications to approved drugs, to be
reviewed  and/or  approved  by  necessary  government  agencies,  which  would  adversely  affect  our  business.  For  example,  over  the  last  several  years,
including  for  35  days  beginning  on  December  22,  2018,  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.

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Separately,  in  response  to  the  COVID-19  pandemic,  on  March  10,  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, on July 10, 2020, the FDA announced its intention to resume certain on-site inspections of domestic manufacturing facilities subject to a
risk-based prioritization system. The FDA intends to use this risk-based assessment system to identify the categories of regulatory activity that can occur
within  a  given  geographic  area,  ranging  from  mission  critical  inspections  to  resumption  of  all  regulatory  activities.  Regulatory  authorities  outside  the
United States may adopt similar restrictions or other policy measures in response to the COVID-19 pandemic. 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.

We or any of our current or future partners may choose not to continue developing a product or product candidate at any time during development or
commercialize it after approval, which would reduce or eliminate our potential return on investment for that product or product candidate.

We currently do not have any products approved for sale and currently are focusing our clinical development efforts solely on Qtrypta.

At any time, we or any partners with whom we currently collaborate or collaborate with in the future may decide to discontinue the development of a
marketed product or product candidate or not to continue commercializing a marketed product or a product candidate for a variety of reasons, including the
appearance of new technologies that make our product obsolete, the position of our partner in the market, competition from another product, or changes in
or failure to comply with applicable regulatory requirements. If we or our partners terminate a program in which we have invested significant resources, we
will not receive any return on our investment, and we will have lost the opportunity to allocate those resources to potentially more productive uses. If one
of our future partners terminates a development program or ceases to market an approved or commercial product, we will not receive any future milestone
payments or royalties relating to that program or product under a partnership agreement with that party.

Our long-term growth will be limited unless we successfully develop a pipeline of additional product candidates.

Our long-term growth will be limited unless we successfully develop a pipeline of additional product candidates. We do not have internal new drug
discovery capabilities, and our primary focus is on developing improved transdermal drug delivery systems by reformulating drugs previously approved by
the FDA using our proprietary technologies.

If we are unable to expand our product candidate pipeline and obtain regulatory approval for our product candidate on the timelines we anticipate, we
will not be able to execute our business strategy effectively and our ability to substantially grow our revenues will be limited, which would harm our long-
term business, results of operations, financial condition and prospects.

Our product candidates may cause adverse effects or have other properties that could delay or prevent their regulatory approval or limit the scope of
any approved label or market acceptance, or result in significant negative consequences following market approval, if any.

Qtrypta and any other product candidates we develop in the future may have undesirable side effects or have characteristics that are unexpected. These
could  be  attributed  to  the  active  ingredient  or  class  of  drug  or  to  our  unique  formulation  of  our  product  candidates,  or  other  potentially  harmful
characteristics. Such characteristics could cause us, our IRBs, clinical trial sites, the FDA or other regulatory authorities to interrupt, delay or halt clinical
trials, including the imposition of clinical holds, and could result in a more restrictive label or delay, denial or withdrawal of regulatory approval, which
may harm our business, financial condition and prospects significantly.

In addition, if a product candidate receives marketing approval, and we or others later identify serious adverse events or undesirable side effects caused

by such product, a number of potentially significant negative consequences could result, including:

•

•

•

regulatory  authorities  may  require  the  addition  of  labeling  statements,  specific  warnings,  a  contraindication  or  field  alerts  to  physicians  and
pharmacies;

we may be required to change the way the product is administered, conduct additional clinical trials or change the labeling of the product;

we  may  be  required  to  implement  REMS,  which  could  result  in  substantial  cost  increases  and  have  a  negative  impact  on  our  ability  to
commercialize the product;

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•

•

•

•

•

•

we may be required to limit the patients who can receive the product;

we may be subject to limitations on how we promote the product;

sales of the product may decrease significantly;

regulatory authorities may require us to take our approved product off the market;

we may be subject to litigation or product liability claims; and

our reputation may suffer.

Any  of  these  events  could  prevent  us  from  achieving  or  maintaining  market  acceptance  of  the  affected  product  or  could  substantially  increase

commercialization costs and expenses, which in turn could delay or prevent us from generating significant revenues from the sale of our product.

We may encounter manufacturing risks or failures that could impede or delay supply for our clinical trials of our product candidates.

While  we  previously  manufactured  Qtrypta  internally,  we  have  entered  into  agreements  with  third-party  CMOs  related  to  the  development,
manufacture, and supply of Qtrypta. Any failure or delay in our internal manufacturing operations or those of our CMOs, or the technology transfer process
in connection with our plan to transition to rely on such CMOs for manufacture and supply, could delay the development or regulatory approval of Qtrypta.
We and our CMOs may encounter difficulties involving, among other things, material supplies, production yields, regulatory compliance, quality control
and quality assurance, and shortages of qualified personnel. The manufacturing facilities in which Qtrypta, or our other product candidates, are made could
be adversely affected by equipment failures, labor shortages, natural disasters, power failures and numerous other factors. We may incur other charges and
expenses  for  products  that  fail  to  meet  specifications,  undertake  costly  remediation  efforts  or  seek  more  costly  manufacturing  alternatives.  Regulatory
approval  of  Qtrypta  or  our  other  product  candidates  could  be  impeded,  delayed,  limited  or  denied  if  the  FDA  does  not  authorize  the  manufacturing
processes and facilities in which such product candidates are made.

Difficulties in relevant manufacturing processes and facilities implicated could result in supply shortfalls of Qtrypta, if approved, or any other product
candidates, and could delay our preclinical studies, clinical trials and regulatory submissions with respect thereto. In addition, supplies of Qtrypta or our
other product candidates that have been produced and are stored for later use, may degrade, become contaminated or suffer other quality defects (including
in connection with any shipment thereof), which may cause the affected drug product to no longer be suitable for its intended use in clinical trials or other
development activities. If the defective drug product cannot be replaced in a timely fashion, we may incur significant delays in our development programs
that could adversely affect the value of such product candidate.

We have only manufactured our proposed product candidates for our clinical trials and we have no experience manufacturing on a commercial scale.

We  have  limited  experience  manufacturing  our  product  candidate,  Qtrypta,  and  other  product  candidates,  and  to  date  have  only  manufactured  our
product  candidates  for  our  clinical  trials.  If  Qtrypta  is  approved,  we  will  need  to  scale  up  our  own  capabilities  or  those  of  our  CMOs  to  support  the
production of commercial level quantities of our product candidate, which may require expensive process improvements.

While we intend to rely on CMOs to support commercial scale manufacture of Qtrypta and have entered into agreements regarding the same, we may
nevertheless  not  be  able  to  successfully  produce,  develop  and  market  Qtrypta  or  our  other  product  candidates,  or  we  may  be  delayed  in  doing  so.
Significant scale up of manufacturing may also require process improvements as well as additional technologies and validation studies, which are costly,
may not be successful and which the FDA must review and authorize. If we or our CMOs are unable to establish a new manufacturing facility or expand
existing manufacturing facilities, purchase equipment, hire adequate personnel to support our manufacturing efforts, or comply with cGMPs, or implement
necessary  process  improvements,  we  may  be  unable  to  produce  commercial  materials  or  meet  demand,  if  any  should  develop,  for  Qtrypta  or  our  other
product candidates. Any such failure would have a material adverse effect on our business, financial condition and results of operations.

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Reliance on CMOs also entails risks to which we would not be subject if we manufactured the product candidates ourselves, including reliance on the
third party for regulatory compliance and quality control and assurance, volume production, the possibility of breach of the manufacturing agreement by
the  third  party  because  of  factors  beyond  our  control  (including  a  failure  to  synthesize  and  manufacture  our  product  candidate  in  accordance  with  our
product specifications) and the possibility of termination or nonrenewal of the agreement by the third party at a time that is costly or damaging to us. In
addition, the FDA and other regulatory authorities require that our product candidates be manufactured according to cGMP and similar foreign standards.
Any failure by our CMOs to comply with cGMP or failure to scale up manufacturing processes, including any failure to deliver sufficient quantities of our
product  candidates  in  a  timely  manner,  could  lead  to  a  delay  in,  or  failure  to  obtain,  regulatory  approvals  of  our  product  candidates,  or  a  recall  or
withdrawal  of  approval  in  the  future.  CMOs  may  not  be  able  to  manufacture  our  product  candidates  at  a  cost  or  in  quantities  or  in  a  timely  manner
necessary to develop and commercialize it. If our CMOs are unable to successfully scale up the manufacture of our product candidates in sufficient quality
and  quantity  and  at  commercially  reasonable  prices,  and  we  are  unable  to  find  one  or  more  replacement  manufacturers  capable  of  production  at  a
substantially equivalent cost in substantially equivalent volumes and quality, and we are unable to successfully transfer the processes on a timely basis, the
development of that product candidate and regulatory approval or commercial launch for any resulting products may be delayed, or there may be a shortage
in supply, either of which could significantly harm our business, financial condition, operating results and prospects. Our reliance on CMOs will further
expose us to the possibility that they, or third parties with access to their facilities, will have access to and may misappropriate our trade secrets or other
proprietary information.

Even if we receive regulatory approval for any product candidate, we still may not be able to successfully commercialize it and the revenue that we
generate from its sales, if any, may be limited.

If approved for marketing, the commercial success of Qtrypta or any product candidates we develop in the future will depend upon their acceptance by
the medical community, including physicians, patients and health care payers. The degree of market acceptance of any product candidate will depend on a
number of factors, including:

•

•

•

•

•

•

•

•

•

•

•

demonstration of clinical safety and efficacy of our products generally;

relative convenience and ease of administration;

prevalence and severity of any adverse effects;

willingness of physicians to prescribe our product and of the target patient population to try new therapies and routes of administration;

efficacy and safety of our products compared to competing products;

introduction of any new products, including generics, that may in the future become available to treat indications for which our products may
be approved;

new procedures or methods of treatment that may reduce the incidences of any of the indications in which our products may show utility;

pricing and cost-effectiveness;

effectiveness of our or any future collaborators’ sales and marketing strategies;

limitations or warnings contained in FDA-approved labeling; and

our ability to obtain and maintain sufficient third-party coverage or adequate reimbursement from government health care programs, including
Medicare and Medicaid, private health insurers and other third-party payers.

If our product candidates are approved but do not achieve an adequate level of acceptance by physicians, health care payers and patients, we may not
generate sufficient revenue and we may not be able to achieve or sustain profitability. Our efforts to educate the medical community and third-party payers
on the benefits of our product candidates may require significant resources and may never be successful.

Even  if  we  obtain  regulatory  approvals,  the  timing  or  scope  of  any  approvals  may  prohibit  or  reduce  our  ability  to  commercialize  our  product
candidates successfully. For example, if the approval process takes too long, we may miss market opportunities and give other companies the ability to
develop competing products or establish market dominance. Any regulatory approval we ultimately obtain may be limited or subject to restrictions or post-
approval  commitments  that  render  our  product  candidates  not  commercially  viable.  For  example,  regulatory  authorities  may  approve  our  product
candidates for fewer or more limited indications than we request, may not approve the price we intend to charge for our product candidates, may grant
approval contingent on the performance of costly post-marketing clinical trials, or may approve our product candidates

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with a label that does not include the labeling claims necessary or desirable for the successful commercialization of that indication. Further, the FDA may
place conditions on approvals including potential requirements or risk management plans and the requirement for a REMS to assure the safe use of the drug
or a black-box warning (which is a warning required by the FDA that appears on the package insert for or in literature describing certain prescription drugs,
signifying that medical studies indicate that the drug carries a significant risk of serious adverse effects). If the FDA concludes a REMS is needed, the
sponsor of the NDA must submit a proposed REMS; the FDA will not approve the NDA without an approved REMS, if required. A REMS could include
medication guides, physician communication plans, or elements to assure safe use, such as restricted distribution methods, patient registries and other risk
minimization  tools.  A  black-box  warning  will  limit  how  we  are  able  to  market  and  advertise  any  product  that  is  approved.  Any  of  these  limitations  on
approval  or  marketing  could  restrict  the  commercial  promotion,  distribution,  prescription  or  dispensing  of  our  product  candidates.  Moreover,  approvals
may be withdrawn for non-compliance with regulatory standards or if problems occur following the initial marketing of a product candidate. Any of the
foregoing scenarios could materially harm the commercial success of our product candidates.

We may expend our limited resources to pursue a particular product candidate and fail to capitalize on a product candidate that may be more profitable
or for which there is a greater likelihood of success.

Because we have limited financial and managerial resources, we have decided to focus on developing our product candidate Qtrypta for treatment of
migraine. As a result, we may forego or delay pursuit of opportunities with other product candidates or for other indications that later prove to have greater
commercial potential. Our resource allocation decisions may cause us to fail to capitalize on viable commercial product candidates or profitable market
opportunities. Our spending on current and future research and development programs and product candidate for specific indications may not yield any
commercially  viable  products.  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 royalty 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 OUR DEPENDENCE ON THIRD PARTIES

We  use  customized  equipment  to  coat  and  package  our  transdermal  microneedle  system;  any  production  or  equipment  performance  failures  could
negatively impact the clinical trials of our product candidates that we may develop or sales of our product candidate(s), if approved.

We presently use customized equipment to coat and package our transdermal microneedle system. We also rely on third parties to manufacture our
equipment. If we experience equipment malfunctions and we do not have adequate inventory of spare parts or qualified personnel to repair the equipment,
we may encounter delays in the manufacture of our transdermal microneedle system and may not have sufficient inventory to meet the demands of our
clinical development programs of any product candidates and if approved, our customers’ demands for Qtrypta or our future approved product candidate(s),
if any, each of which could adversely affect our business, financial condition and results of operations.

We currently depend primarily on third-party suppliers for manufacture of our product candidates. If these manufacturers fail to provide us or our
collaborators  with  adequate  supplies  of  materials  for  clinical  trials  or  commercial  product  or  fail  to  comply  with  the  requirements  of  regulatory
authorities, we may be unable to develop or commercialize Qtrypta or any other product candidates we may develop.

We  have  contracted  with  CMOs  to  produce,  in  collaboration  with  us,  Qtrypta,  for  commercial  use,  if  approved,  in  the  United  States.  We  have  not
entered into any agreements with any alternate suppliers for Qtrypta product or API. Even if we were able to enter into other long-term agreements for
manufacture  of  commercial  supply  on  reasonable  terms,  we  may  face  delays  or  increased  costs  in  our  supply  chain  that  could  jeopardize  the
commercialization  of  Qtrypta.  Additionally,  if  Qtrypta  is  approved  for  commercial  sale  in  jurisdictions  outside  the  United  States  or  any  other  product
candidate  is  approved  by  the  FDA  or  other  regulatory  agencies  for  commercial  sale,  we  will  need  to  contract  with  a  third  party  to  manufacture  such
products.

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Our dependence on single source suppliers with respect to our supply chain for Qtrypta exposes us to certain risks, including the following:

•

•

•

•

our supplier may cease or reduce production or deliveries, raise prices or renegotiate terms;

we may be unable to locate a suitable replacement on acceptable terms or on a timely basis, if at all;

delays caused by supply issues may harm our reputation; and

our  ability  to  progress  our  business  could  be  materially  and  adversely  impacted  if  our  single-source  supplier  upon  which  we  rely  were  to
experience  a  significant  business  challenge,  disruption  or  failure  due  to  issues  such  as  financial  difficulties  or  bankruptcy,  issues  relating  to
regulatory or quality compliance, or other legal or reputational issues.

Even though we have agreements with CMOs to supply materials for Qtrypta, and even if we enter into other long-term agreements with other CMOs,
the FDA may not approve the facilities of such CMOs, the CMOs may not perform as agreed or the CMOs may terminate their agreements with us. If any
of the foregoing circumstances occur, we may need to find alternative manufacturing facilities, which would significantly impact our ability to develop,
maintain  or  obtain,  as  applicable,  regulatory  approval  for  or  market  Qtrypta  or  any  other  product  candidate.  In  the  event  that  we  seek  such  alternative
sources, we may not be able to enter into replacement arrangements without delays or additional expenditures. We cannot estimate these delays or costs
with certainty but, if they were to occur, they could cause a delay in our development and commercialization efforts.

The  manufacturer(s)  of  Qtrypta  are  obliged  to  operate  in  accordance  with  FDA-mandated  cGMPs,  and  we  have  limited  control  over  the  ability  of
CMOs to maintain adequate quality control, quality assurance and qualified personnel to ensure compliance to cGMPs. In addition, the facilities used by
our CMOs to manufacture Qtrypta must be authorized by the FDA and will be subject to inspections that will be conducted prior to any grant or regulatory
approval  by  the  FDA.  If  any  of  our  CMOs  are  unable  to  successfully  manufacture  material  that  conform  to  our  specifications  and  the  FDA’s  strict
regulatory  requirements,  and  pass  regulatory  inspections,  they  will  not  be  able  to  secure  or  maintain  authorization  to  manufacture  any  of  our  approved
products.  Additionally,  a  failure  by  any  of  our  CMOs  to  establish  and  follow  cGMPs  or  to  document  their  adherence  to  such  practices  may  negatively
impact  our  commercialization  or  lead  to  significant  delays  in  the  launch  and  commercialization  of  any  other  products  that  we  may  have  in  the  future.
Failure  by  our  CMOs  or  us  to  comply  with  application  regulations  could  result  in  sanctions  being  imposed  on  us,  including  fines,  injunctions,  civil
penalties, failure of the government to grant pre-market approval of drugs, delays, suspensions or withdrawal of approvals, seizures or recalls of product,
operating restrictions, and criminal prosecutions.

The  manufacturer  of  pharmaceutical  products  requires  significant  expertise  and  capital  investment,  including  the  development  of  advanced
manufacturing  techniques  and  process  controls.  Manufacturers  of  pharmaceutical  products  often  encounter  difficulties  in  production.  These  problems
include  difficulties  with  production  costs  and  yields,  quality  control,  including  stability  of  the  product,  quality  assurance  testing,  shortages  of  qualified
personnel,  as  well  as  compliance  with  strictly-enforced  federal,  state  and  foreign  regulations.  We  cannot  assure  you  that  any  issues  relating  to  the
manufacture of Qtrypta will not occur in the future. Additionally, our CMOs may experience manufacturing difficulties due to resource constraints or as a
result  of  labor  disputes.  If  our  CMOs  were  to  encounter  difficulties,  or  otherwise  fail  to  comply  with  their  contractual  obligations,  our  ability  to
commercialize Qtrypta in the United States would be jeopardized. Any delay or interruption in our ability to meet commercial demand for Qtrypta will
result in the loss of potential revenue and could adversely affect our ability to gain market acceptance for these products.

Failures or difficulties faced at any level of our supply chain could materially adversely affect our business and delay or impede commercialization of

Qtrypta and could have a material adverse effect on our business, results of operations, financial conditions and prospects.

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We  rely  on  CMOs  for  various  components  of  our  transdermal  microneedle  system,  and  our  business  could  be  harmed  if  those  third  parties  fail  to
provide us with sufficient quantities of those components at acceptable quality levels and prices or fail to maintain or achieve satisfactory regulatory
compliance.

We rely on CMOs for various components of our transdermal microneedle system, including active pharmaceutical ingredients (“API”) raw materials
used  in  manufacturing,  and  capital  equipment.  Reliance  on  third-party  manufacturers  entails  additional  risks,  including  reliance  on  the  third  party  for
regulatory compliance and quality assurance. In addition, CMOs may not be able to comply with cGMP, or similar regulatory requirements outside the
United States. Our reliance on these third parties reduces our control over these activities but does not relieve us of our responsibility to ensure compliance
with all required legal, regulatory and scientific standards. The failure of our third-party manufacturers, to comply with applicable regulations could result
in sanctions being imposed on us, including fines, injunctions, civil penalties, delays, suspension or withdrawal of approvals, license revocation, seizures or
recalls of products, operating restrictions and criminal prosecutions, any of which could significantly and adversely affect supplies of our product candidate
or any other product candidates that we may develop.

There can be no assurance that our supply of these various components will not be limited, interrupted, or of satisfactory quality or continue to be
available at acceptable prices. Additionally, we do not have any control over the process or timing of the acquisition or manufacture of materials by our
manufacturers and cannot ensure that they will deliver to us the components we order on time, or at all. Any failure or refusal to supply the components for
Qtrypta or any other product candidates that we may develop could delay, prevent or impair our clinical development or commercialization efforts. If our
CMOs were to fail to fill our purchase orders, the development or commercialization of the affected product candidate could be delayed, which could have
an adverse effect on our business. Any change in our manufacturers could be costly because the commercial terms of any new arrangement could be less
favorable, the lead time needed to establish a new relationship can be lengthy, and because the expenses relating to the transfer of necessary technology and
processes could be significant. It may take several years to establish an alternative source of supply for our product candidate and to have any such new
source approved by the FDA, the European Medicines Agency ("EMA"), or any other relevant regulatory authorities.

We rely on third parties to conduct our clinical trials and those third parties may not perform satisfactorily, including failing to comply with applicable
regulatory requirements or to meet deadlines for the completion of such trials.

We rely on a third party contract research organizations to manage our clinical trials. In addition, we rely on other third parties, such as clinical data
management  organizations,  medical  institutions  and  clinical  investigators,  to  conduct  those  clinical  trials.  While  we  have  agreements  governing  their
activities, we will have limited influence over their actual performance, and we will control only certain aspects of their activities. In addition, the use of
third-party service providers requires us to disclose our proprietary information to these parties, which could increase the risk that this information will be
misappropriated. Further, agreements with such third parties might terminate for a variety of reasons, including a failure to perform by the third parties. If
there  is  any  dispute  or  disruption  in  our  relationship  with  our  CROs  or  if  we  need  to  enter  into  alternative  arrangements,  that  would  delay  our  product
development activities.

There is a limited number of third-party service providers that specialize or have the expertise required to achieve our business objectives. In particular,
there would be a significant increase in clinical trial expenses, including adopting a new electronic data capture platform or other technology platforms, the
need to enter into new contracts and costs associated with the transfer of data, as well as an increased risk of the loss of data. Identifying, qualifying and
managing  performance  of  third-party  service  providers  can  be  difficult,  time-consuming  and  may  cause  delays  in  our  development  programs.  These
investigators and CROs will not be our employees and we will not be able to control, other than by contract, the amount of resources, including time, which
they devote to our product candidates and clinical trials. Our reliance on these third parties for research and development activities will reduce our control
over these activities but will not relieve us of our responsibilities. 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. If any of our CROs’ processes, methodologies or results were
determined to be invalid or inadequate, our own clinical data and results and related regulatory approvals could be adversely affected. Moreover, the FDA
requires us to comply with standards, commonly referred to as GCPs for conducting, 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. The FDA enforces GCPs
through periodic inspections of trial sponsors, principal investigators and clinical trial sites. If we or our CRO or trial sites fail to comply with applicable
GCPs, the clinical data generated in our clinical trials may be deemed unreliable and the FDA may require us to perform additional clinical trials before
approving any marketing applications. Upon inspection, the FDA may determine that our clinical trials did not comply with GCPs. In addition, our clinical
trials will require a sufficiently large number of test subjects to evaluate the safety and effectiveness of a product candidate. Accordingly, if our CROs fail
to comply with these regulations or fail to recruit a

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sufficient number of patients, our clinical trials may be delayed, or we may be required to repeat such clinical trials, which would delay the regulatory
approval process.

Furthermore, these third parties may also have relationships with other entities, some of which may be our competitors. If these third parties do not
successfully carry out their contractual duties, meet expected deadlines, or if the quality of the clinical data they obtain is compromised due to the failure to
conduct our clinical trials in accordance with regulatory requirements or our stated protocols, we will not be able to obtain, or may be delayed in obtaining,
marketing  approvals  for  our  product  candidates  and  will  not  be  able  to,  or  may  be  delayed  in  our  efforts  to,  successfully  commercialize  our  product
candidates.

If our current collaborations are not successful or we are not able to establish collaborations, we may have to alter our development plans.

Our product development programs and the potential commercialization of our product candidates will require substantial additional cash to fund our
expenses. We may seek to collaborate with third parties for certain of our development programs, and for the commercialization of our product candidates,
if approved. For example, we recently entered into a commercialization agreement with Eversana for the commercialization of Qtrypta, if approved by the
FDA.

We face significant competition in seeking appropriate collaborators. Whether we reach a definitive collaborative agreement 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 the design or results of clinical trials, the likelihood of approval 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 existence of competing drugs, the existence of uncertainty with respect to our ownership of
technology,  which  can  exist  if  there  is  a  challenge  to  such  ownership  without  regard  to  the  merits  of  the  challenge  and  industry  and  market  conditions
generally.  The  collaborator  may  also  consider  alternative  product  candidates  or  technologies  for  similar  indications  that  may  be  available  on  which  to
collaborate  and  whether  such  a  collaboration  could  be  more  attractive  than  the  one  with  us  for  our  product  candidate.  In  addition,  there  have  been  a
significant  number  of  recent  business  transactions  among  large  pharmaceutical  companies  that  have  resulted  in  a  reduced  number  of  potential  future
collaborators.

Collaborations are complex and time-consuming to negotiate and document. We may also be restricted under collaboration agreements from entering
into agreements with other potential collaborators. We may not be able to negotiate collaborations on acceptable terms, or at all. If that were to occur, we
may have to curtail, reduce or delay the development of a particular product candidate, or one or more of our other development programs, delay its or their
potential  commercialization  or  reduce  the  scope  of  our  sales  or  marketing  activities,  or  increase  our  expenditures  and  undertake  development  or
commercialization activities at our own expense. If we elect to increase our expenditures to fund 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. If we do not have sufficient funds, we will not be
able to bring our product candidate to market and generate revenue.

In addition, any current or future collaborations that we enter into may not be successful. The success of our collaboration arrangements will depend
heavily on the efforts and activities of our collaborators. Collaborators generally have significant discretion in determining the efforts and resources that
they  will  apply  to  these  collaborations.  Disagreements  between  parties  to  a  collaboration  arrangement  regarding  clinical  development  and
commercialization  matters  can  lead  to  delays  in  the  development  process  or  commercializing  the  applicable  product  candidate  and,  in  some  cases,
termination of the collaboration arrangement. These disagreements can be difficult to resolve if neither of the parties has final decision-making authority.
Collaborations with pharmaceutical or biotechnology companies and other third parties may be terminated or allowed to expire by the other party. Any
such termination or expiration would adversely affect us financially and could harm our business reputation.

We may form strategic partnerships and collaborations in the future, and we may not realize the benefits of such alliances.

We may seek strategic partnerships, create joint ventures or collaborations or enter into licensing arrangements with third parties that we believe will
complement or augment our existing business. These relationships may require us to incur non-recurring and other charges, increase our near- and long-
term  expenditures,  issue  securities  that  dilute  our  existing  stockholders  or  disrupt  our  management  and  business.  In  addition,  we  face  significant
competition in seeking appropriate strategic partners and the negotiation process is time-consuming and complex.

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The process of establishing and maintaining collaborative relationships is difficult, time-consuming and involves significant uncertainty, including:

•

•

•

•

•

•

•

•

•

•

•

a  collaboration  partner  may  seek  to  renegotiate  or  terminate  their  relationships  with  us  due  to  unsatisfactory  clinical  results,  manufacturing
issues, a change in business strategy, a change of control or other reasons;

a collaboration partner may shift its priorities and resources away from our product candidate due to a change in business strategy, or a merger,
acquisition, sale or downsizing;

a collaboration partner may not devote sufficient resources towards, or cease development in, therapeutic areas which are the subject of our
strategic collaboration;

a collaboration partner may change the success criteria for a product candidate thereby delaying or ceasing development of such candidate;

a collaboration partner could develop a product candidate that competes, either directly or indirectly, with our product candidate;

a significant delay in initiation of certain development activities by a collaboration partner will also delay payment of milestones tied to such
activities, thereby impacting our ability to fund our own activities;

a  collaboration  partner  with  commercialization  obligations  may  not  commit  sufficient  financial  or  human  resources  to  the  marketing,
distribution or sale of a product;

a collaboration partner with manufacturing responsibilities may encounter regulatory, resource or quality issues and be unable to meet demand
requirements;

a dispute may arise between us and a collaboration partner concerning the research, development or commercialization of a product candidate
resulting in a delay in milestones, royalty payments or termination of an alliance and possibly resulting in costly litigation or arbitration which
may divert management attention and resources;

a collaboration partner may use our products or technology in such a way as to invite litigation from a third party; and

a collaboration partner may exercise a contractual right to terminate a strategic alliance, making us ineligible to receive milestone or royalty
payments under such agreement.

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RISKS RELATED TO MARKETING AND SALE OF OUR PRODUCTS

We  have  no  experience  selling,  marketing  or  distributing  approved  product  candidates  and  have  no  internal  capabilities  to  do  so,  and  will  rely  on
Eversana  and  other  third  parties  for  the  commercialization  of  Qtrypta,  and  we  and  they  may  not  be  able  to  effectively  market,  sell  and  distribute
Qtrypta, if approved.

We currently have no internal sales, marketing or distribution capabilities. Even if Qtrypta is approved by the FDA, we may not be able to effectively
market and distribute Qtrypta. We have engaged Eversana to conduct agreed commercialization activities, and to utilize its internal sales organization along
with  its  other  commercial  capabilities  for  market  access,  marketing,  distribution  and  patient  support  services  for  Qtrypta.  Eversana  may  be  unable  to
identify and retain suitable candidates to fill our direct sales force needs, on our expected launch timeframe or otherwise. To the extent we and Eversana are
not successful in retaining qualified sales and marketing personnel, we may not be able to effectively market Qtrypta. Further, there can be no assurance
that  the  capabilities  of  Eversana  will  be  effective  in  marketing  and  selling  Qtrypta,  or  that  their  personnel  will  be  more  effective  than  an  internally
developed sales organization. In addition, Eversana may terminate our agreement, including the obligation to provide a revolving credit facility, and can
terminate the agreement under certain additional circumstances, including if FDA approval of Qtrypta is not received by July 31, 2021, if net profits are not
realized within a specified time period following commercial launch, for material breach of the agreement by us that is not cured within a defined time
period, for our insolvency, if Qtrypta is subject to a safety recall in the United States or if Qtrypta is not commercially launched within a specified time
period after FDA approval of the NDA. As result of our receipt of the CRL and the additional PK study, it is not likely that we will obtain FDA approval
prior to July 31, 2021, which would provide Eversana with the right to terminate our agreement. If we and Eversana fail to hire, train, retain and manage
qualified  sales  personnel,  market  our  product  successfully  or  on  a  cost-effective  basis  or  otherwise  terminate  our  relationship,  our  ability  to  generate
revenue will be limited and we will need to identify and retain an alternative organization, or develop our own sales and marketing capability. In such an
event,  we  would  have  to  invest  significant  amounts  of  financial  and  management  resources  to  develop  internal  sales,  distribution  and  marketing
capabilities. This could involve significant delays and costs, including the diversion of our management’s attention from other activities. We may also need
to retain additional consultants or external service providers to assist us in sales, marketing and distribution functions, and may be unsuccessful in retaining
such services on acceptable financial terms or at all.

If we do perform sales, marketing and distribution functions ourselves, we could face a number of additional related risks, including:

•

•

•

inability to attract and build an effective marketing department or sales force;

the  cost  of  establishing  a  marketing  department  or  sales  force  may  exceed  our  available  financial  resources  and  the  revenues  generated  by
Qtrypta or any other product candidates that we may develop, in-license or acquire; and

our direct sales and marketing efforts may not be successful.

If  we  are  unsuccessful  in  building  and  managing  a  sales  and  marketing  infrastructure  internally  or  through  a  third-party  partner  for  any  approved
product,  we  will  have  difficulty  commercializing  Qtrypta  or  any  other  product  candidate,  if  approved,  which  would  materially  adversely  affect  our
business, financial condition and results of operations.

If Qtrypta does not obtain sufficient market share against competitive products, we may not achieve substantial product revenues and our business will
suffer.

The market for the potential indication for Qtrypta is characterized by intense competition and rapid technological advances. Our product candidates
will,  if  approved,  compete  with  a  number  of  existing  and  future  drug  delivery  systems  and  therapies  developed,  manufactured  and  marketed  by  others.
Existing or future competing products may provide greater therapeutic convenience or clinical or other benefits for a specific indication than our product
candidate or may offer comparable performance at a lower cost. If our product candidates fail to capture and maintain market share, we may not achieve
sufficient revenues and our business will suffer.

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We  will  compete  against  fully  integrated  pharmaceutical  companies  and  smaller  companies  that  are  collaborating  with  larger  pharmaceutical
companies,  academic  institutions,  government  agencies  and  other  public  and  private  research  organizations.  Many  of  these  competitors,  either  alone  or
together with their collaborative partners, operate larger research and development programs or have substantially greater financial and other resources than
we do, as well as significantly greater experience in:

•

•

•

•

•

developing drugs;

undertaking preclinical testing and human clinical trials;

obtaining FDA and other regulatory approvals of drugs;

formulating and manufacturing drugs; and

launching, marketing and selling drugs.

The development and commercialization of new products to treat migraine is highly competitive. We expect to have considerable competition from
major pharmaceutical, biotechnology, specialty pharmaceutical and medical device companies. Companies marketing products or have product candidates
that treat migraine that may compete with Qtrypta, include but are not limited, to Teva Pharmaceutical Industries, GlaxoSmithKline, Eli Lilly & Company,
AstraZeneca,  Novartis,  Allergan,  Biohaven  Pharmaceuticals,  Lundbeck,  Amgen,  Merck  &  Co.,  Pfizer,  Janssen  Pharmaceutica,  Endo  International,
Assertio,  Upsher-Smith  Laboratories,  Satsuma  Pharmaceuticals,  Supernus  Pharmaceutical,  Currax  Pharmaceuticals,  Impel  NeuroPharma,  Axsome
Therapeutics, electroCore, eNeura, Cefaly, Theranica, Amneal Pharmaceuticals and generic manufacturers of acute and preventive therapies.

Products developed or under development by competitors may render our product candidates or technologies obsolete or non-competitive.

The  biotechnology  and  pharmaceutical  industries  are  intensely  competitive  and  subject  to  rapid  and  significant  technological  change.  Our  product
candidates will have to compete with existing therapies, new formulations of existing drugs and new therapies that may be developed in the future. We face
competition  from  pharmaceutical,  biotechnology  and  medical  device  companies,  including  transdermal  delivery  companies,  in  the  United  States  and
abroad. In addition, companies pursuing different but related fields represent substantial competition. Many of these organizations competing with us have
substantially  greater  capital  resources,  larger  research  and  development  staffs  and  facilities,  longer  drug  development  history  in  obtaining  regulatory
approvals and greater manufacturing and marketing capabilities than we do. These organizations also compete with us to attract qualified personnel and
parties for acquisitions, joint ventures or other collaborations, and therefore, we may not be able to hire or retain qualified personnel to run all facets of our
business.

We face potential product liability exposure, and if successful claims are brought against us, we may incur substantial liability and may have to limit
development of a product candidate or commercialization of an approved product.

The use of our product candidates in clinical trials and the sale of any product candidate for which we may obtain marketing approval expose us to the
risk  of  product  liability  claims.  Product  liability  claims  may  be  brought  against  us  by  participants  enrolled  in  our  clinical  trials,  patients,  healthcare
providers or others using, administering or selling our product candidates. If we cannot successfully defend ourselves against any such claims, we would
incur substantial liabilities. Regardless of merit or eventual outcome, product liability claims may result in:

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•

•

•

•

•

•

•

withdrawal of clinical trial participants;

termination of clinical trial sites or entire trial programs;

costs of related litigation;

substantial monetary awards to patients or other claimants;

decreased demand for an approved product and loss of revenue;

impairment of our business reputation;

diversion of management and scientific resources from our business operations; and

the inability to commercialize an approved product candidate.

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 due to product liability. We intend to expand

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our insurance coverage to include the sale of commercial products if we obtain marketing approval for any product candidate, but we may be unable to
obtain commercially reasonable product liability insurance for any product candidate approved for marketing. Large judgments have been awarded in class
action lawsuits based on drugs that had unanticipated side effects. A successful product liability claim or a series of claims brought against us, particularly
if judgments exceed our insurance coverage, could cause our stock price to decline and could adversely affect our results of operations and business.

We may be exposed to liability claims associated with the use of hazardous materials and chemicals.

Our research and development activities may involve the controlled use of hazardous materials and chemicals. Although we believe that our safety
procedures for using, storing, handling and disposing of these materials comply with federal, state and local laws and regulations, we cannot completely
eliminate the risk of accidental injury or contamination from these materials. In the event of such an accident, we could be held liable for any resulting
damages and any liability could materially adversely affect our business, financial condition and results of operations. In addition, the federal, state and
local laws and regulations governing the use, manufacture, storage, handling and disposal of hazardous materials and waste products may require us to
incur substantial compliance costs that could materially adversely affect our business, financial condition and results of operations.

Business disruptions could seriously harm our future revenues, results of operations and financial condition and increase our costs and expenses.

Our  operations  could  be  subject  to  earthquakes,  power  shortages,  telecommunications  failures,  water  shortages,  floods,  fires,  extreme  weather
conditions, medical pandemics and epidemics, such as the novel coronavirus (COVID-19) outbreak and other natural or manmade disasters or business
interruptions, for which we are predominantly self-insured. We do not carry insurance for all categories of risk that our business may encounter. Many of
these events are beyond our control and the occurrence of any of these business disruptions could seriously harm our operations and financial condition and
increase our costs and expenses.

RISKS RELATED TO OUR INTELLECTUAL PROPERTY

If  we  fail  to  comply  with  our  obligations  to  our  licensor  in  our  intellectual  property  license,  we  could  lose  license  rights  that  are  important  to  our
business.

We are a party to an Intellectual Property License Agreement dated October 5, 2006, as amended, with ALZA and we may enter into additional license
agreements in the future. Our existing license agreement imposes, and we expect that any future license agreements will impose, various diligence, product
payment, royalty, insurance and other obligations on us. If we fail to comply with these obligations, our licensors may have the right to terminate these
agreements, in which event we might not be able to develop and market any product candidate that is covered by these agreements. Termination of these
licenses or reduction or elimination of our licensed rights may result in our having to negotiate new or reinstated licenses with less favorable terms. These
risks  could  delay  or  prevent  us  from  offering  our  product  candidate(s).  We  might  not  have  the  necessary  rights  or  the  financial  resources  to  develop,
manufacture or market our current or future product candidates without the rights granted under these licenses, and the loss of sales or potential sales in
such product candidate(s) could have a material adverse effect on our business, financial condition, results of operations and prospects. The occurrence of
such  events  could  have  a  material  adverse  effect  on  our  business,  financial  condition  and  results  of  operations.  Determining  the  scope  of  licenses  and
related obligations may be difficult and could lead to disputes between us and the licensor. Disputes may arise regarding intellectual property subject to a
licensing agreement, including:

•

•

•

•

•

•

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

the extent to which our technology and processes infringe on intellectual property of the licensor that is not subject to the licensing 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 inventorship or ownership of inventions and know-how resulting from the joint creation or use of intellectual property by our licensors and
us and our partners; and

the priority of invention of patented technology.

Additionally, the agreement under which we currently license intellectual property is complex, and certain provisions may be susceptible to multiple

interpretations. The resolution of any contract interpretation disagreement that may arise could

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narrow what we believe to be the scope of our rights to the relevant intellectual property or technology, increase what we believe to be our financial or
other obligations under the relevant agreement, or decrease the third-party’s financial or other obligations under the relevant agreement, any of which could
have a material adverse effect on our business, financial condition, results of operations and prospects.

Our  failure  to  obtain  and  maintain  patent  protection  for  our  technology  and  our  product  candidates  could  permit  our  competitors  to  develop  and
commercialize  technology  and  products  similar  or  identical  to  ours,  and  our  ability  to  successfully  commercialize  our  technology  and  product
candidates may be adversely affected.

Our  commercial  success  is  significantly  dependent  on  intellectual  property  related  to  our  product  candidate  portfolio.  We  are  either  the  licensee  or
assignee of numerous issued and pending patent applications that cover various aspects of our assets, including, most importantly, our microneedle patch
system and our product candidates.

Our success depends in large part on our and our licensor’s ability to obtain and maintain patent protection in the United States and other countries
with respect to our proprietary technology and product candidates. In some circumstances, we may not have the right to control the preparation, filing and
prosecution of patent applications, or to maintain the patents, covering technology or product that we license from third-parties. Therefore, we cannot be
certain that these patents and applications will be prosecuted and enforced in a manner consistent with the best interests of our business. In addition, if
third-parties  who  license  patents  to  us  fail  to  maintain  such  patents,  or  lose  rights  to  those  patents,  the  rights  we  have  licensed  may  be  reduced  or
eliminated.

The patent prosecution process is expensive, time-consuming and complex, and we may not be able to file and prosecute all necessary or desirable
patent applications at a reasonable cost or in a timely manner or in all jurisdictions where protection may be commercially advantageous, or we may not be
financially able to protect our proprietary rights at all. It is also possible that 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 be able to obtain or maintain patent protection from our pending patent applications,
from those we may file in the future, or from those we may license from third-parties. There is no assurance that all potentially relevant prior art relating to
our patents and patent applications has been found. We may be unaware of prior art that could be used to invalidate an issued patent or prevent our pending
patent applications from issuing as patents. Moreover, even if we are able to obtain patent protection, such patent protection may be of insufficient scope to
achieve our business objectives or provide any competitive advantage. In addition, although we enter into non-disclosure and confidentiality agreements
with parties who have access to patentable aspects of our research and development output, any of these parties may breach such agreements and disclose
such output before a patent application is filed, thereby jeopardizing our ability to seek patent protection.

The patent position of biotechnology and pharmaceutical companies generally is highly uncertain, involves complex legal and factual questions and
has  in  recent  years  been  the  subject  of  much  litigation.  As  a  result,  the issuance,  scope,  validity,  enforceability  and  commercial  value  of  our  and  our
licensor’s patent rights are highly uncertain. Our and our licensor’s pending and future patent applications may not result in patents being issued which
protect our technology or products or which effectively prevent others from commercializing competitive technologies and products. Changes in either the
patent laws or interpretation of the patent laws in the United States and other countries may diminish the value of our patents or narrow the scope of our
patent protection. The standards which the United States Patent and Trademark Office ("USPTO") and foreign patent offices use to grant patents are not
always  applied  predictably  or  uniformly  and  can  change.  There  is  also  no  uniform,  worldwide  policy  regarding  the  subject  matter  and  scope  of  claims
granted or allowable in pharmaceutical or biotechnology patents. The laws of foreign countries may not protect our rights to the same extent as the laws of
the  United  States,  and  many  companies  have  encountered  significant  problems  and  costs  in  protecting  their  proprietary  information  in  these  non-U.S.
countries. Outside the United States, patent protection must be sought in individual jurisdictions, further adding to the cost and uncertainty of obtaining
adequate patent protection outside of the United States. Accordingly, we cannot predict whether additional patents protecting our product candidates will
issue in the United States or in non-U.S. jurisdictions, or whether any patents that do issue are valid, enforceable and have claims of adequate scope to
provide competitive advantage. Publications of discoveries in the scientific literature often lag behind the actual discoveries, and patent applications in the
United States and other jurisdictions are typically not published until 18 months after filing, or in some cases not at all. Therefore, we cannot be certain that
we or our licensor were the first to make the inventions claimed in our owned and licensed patents or pending patent applications, or that we or our licensor
were the first to file for patent protection of such inventions. Assuming the other requirements for patentability are met, the first to file a patent application
is entitled to the patent. We may become involved in opposition or interference proceedings challenging our patent rights or the patent rights of others. An
adverse  determination  in  any  such  proceeding  could  reduce  the  scope  of,  or  invalidate  our  patent  rights,  allow  third-parties  to  commercialize  our
technology  or  product  candidates  and  compete  directly  with  us,  without  payment  to  us,  or  result  in  our  inability  to  manufacture  or  commercialize  our
product candidate without infringing third-party patent rights.

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Even if our owned and licensed patent applications issue as patents, they may not issue in a form that will provide us with any meaningful protection,
prevent  competitors  from  competing  with  us  or  otherwise  provide  us  with  any  competitive  advantage.  Our  competitors  may  be  able  to  circumvent  our
owned or licensed patents by developing similar or alternative technologies or products in a non-infringing manner. Third-parties may have patents that
could  prevent  us  from  marketing  our  own  patented  product  candidate.  Third-parties  may  also  seek  to  market  generic  versions  of  any  of  our  approved
product. Even if we have valid and enforceable patents, these patents still may not provide protection against competing products or processes sufficient to
achieve our business objectives. The issuance of a patent is not conclusive as to its 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 patent claims being narrowed, invalidated
or  held  unenforceable,  which  could  limit  our  ability  to  stop  or  prevent  us  from  stopping  others  from  using  or  commercializing  similar  or  identical
technology and products, or limit the duration of the patent protection of our technology and product candidates. Given the amount of time required for the
development, testing and regulatory review of 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 ours.

Bearing the costs and other requirements associated with prosecution of pending patent applications and maintenance of issued patents are essential to
procurement  and  maintenance  of  patents  integral  to  our  product  candidates,  and  our  patent  protection  could  be  reduced  or  eliminated  for  non-
compliance for these requirements.

Periodic  maintenance  fees,  renewal  fees,  annuity  fees  and  various  other  governmental  fees  on  patents  and/or  patent  applications  will  come  due  for
payment  periodically  throughout  the  lifecycle  of  patent  applications  and  issued  patents.  In  order  to  help  ensure  that  we  comply  with  any  required  fee
payment, documentary and/or procedural requirements as they might relate to any patents for which we are an assignee or co-assignee, we employ legal
help and related professionals as needed to comply with those requirements. Failure to meet a required fee payment, document production or procedural
requirement  can  result  in  the  abandonment  of  a  pending  patent  application  or  the  lapse  of  an  issued  patent.  In  some  instances,  the  defect  can  be  cured
through late compliance, but there are situations where the failure to meet the required deadline cannot be cured. Such an occurrence could compromise the
intellectual  property  protection  around  a  preclinical  or  clinical  product  candidate  and  possibly  weaken  or  eliminate  our  ability  to  protect  our  eventual
market share for that product candidate.

Our business will be harmed if we do not successfully protect the confidentiality of our trade secrets.

In  addition  to  our  patented  technology  and  product  candidates,  we  rely  on  trade  secrets,  including  unpatented  know-how,  technology  and  other
proprietary  information,  to  maintain  our  competitive  position.  We  seek  to  protect  these  trade  secrets,  in  part,  by  entering  into  non-disclosure  and
confidentiality agreements with parties that have access to them, such as our corporate collaborators, outside scientific collaborators, sponsored researchers,
contract manufacturers, consultants, advisors and other third- parties. We also enter into confidentiality and invention or patent assignment agreements with
our employees and consultants. However, any of these parties may breach the agreements and disclose our proprietary information, and we may not be able
to obtain adequate remedies for such breaches. Enforcing a claim that a party illegally disclosed or misappropriated a trade secret is difficult, expensive and
time-consuming, and the outcome is unpredictable. In addition, some courts inside and outside the United States are less willing or unwilling to protect
trade secrets. If any of our trade secrets were to be lawfully obtained or independently developed by a competitor, we would have no right to prevent them
from  using  that  technology  or  information  to  compete  with  us.  If  any  of  our  trade  secrets  were  to  be  disclosed  to  or  independently  developed  by  a
competitor, our competitive position would be harmed.

In addition to contractual measures, we try to protect the confidential nature of our proprietary information using commonly accepted physical and
technological security measures. Such security measures may not provide adequate protection for our proprietary information, for example, in the case of
misappropriation  of  a  trade  secret  by  an  employee,  consultant,  or  third-party  with  authorized  access.  Monitoring  unauthorized  uses  and  disclosures  is
difficult,  and  we  do  not  know  whether  the  steps  we  have  taken  to  protect  our  proprietary  technologies  will  be  effective.  Unauthorized  parties  may  also
attempt  to  copy  or  reverse  engineer  certain  aspects  of  our  products  that  we  consider  proprietary.  Even  though  we  use  commonly  accepted  security
measures, the criteria for protection of trade secrets can vary among different jurisdictions.

We  could  be  prevented  from  selling  our  product  candidates,  if  approved,  and  could  be  forced  to  pay  damages  and  defend  against  litigation,  if  we
infringe the rights of third-parties.

We conduct freedom-to-operate studies to guide our early-stage research and development away from areas where we are likely to encounter obstacles
in  the  form  of  third-party  intellectual  property  conflicts,  and  to  assess  the  advisability  of  licensing  third-party  intellectual  property  or  taking  other
appropriate steps to address any freedom-to-operate or development issues. However, with respect to third-party intellectual property, it is impossible to
establish with certainty that our product candidates

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will be free of claims by third-party intellectual property holders or whether we will require licenses from such third-parties. Even with modern databases
and on-line search engines, literature searches are imperfect and may fail to identify relevant patents and published applications.

In the pharmaceutical industry, significant litigation and other proceedings, including interferences, oppositions, reexamination, inter partes  review,
derivation  and  post-grant  review  proceedings  before  the  USPTO  and  corresponding  foreign  patent  offices,  regarding  patents,  patent  applications,
trademarks and other intellectual property rights have become commonplace. The types of situations in which we may become a party to such proceedings
include:

•

•

•

•

we or our collaborators may initiate litigation or other proceedings against third-parties seeking to invalidate the patents held by those third-
parties or to obtain a judgment that our products or processes do not infringe those third-parties’ patents;

if our competitors file patent applications that claim technology also claimed by us or our licensors, we or our licensors may be required to
participate  in  interference  or  opposition  proceedings  to  determine  the  priority  of  invention,  which  could  jeopardize  our  patent  rights  and
potentially provide a third-party with a dominant patent position;

if third-parties initiate litigation claiming that our processes or products infringe their patent or other intellectual property rights, we and our
collaborators will need to defend against such proceedings; and,

if a license to necessary intellectual property is terminated, the licensor may initiate litigation claiming that our processes or products infringe,
misappropriate or otherwise violate their patent or other intellectual property rights and/or that we breached our obligations under the license
agreement, and we and our collaborators would need to defend against such proceedings.

Third-parties  may  assert  that  we  are  employing  their  proprietary  technology  without  authorization  or  have  infringed  upon,  misappropriated  or
otherwise  violated  their  intellectual  property  or  other  rights.  Even  if  we  believe  third-party  claims  of  infringement  against  us  or  our  collaborators  are
without merit, there is a risk that a court would decide that we or our collaborators are infringing the third-party’s valid and enforceable patents. If our
product candidates, methods, processes or other technologies infringe the proprietary rights of other parties, we could incur substantial costs and may have
to:

•

•

•

•

•

•

obtain licenses, which may not be available on commercially reasonable terms, if at all;

abandon an infringing product;

redesign our product candidates or processes to avoid infringement;

stop using the subject matter claimed in the patents held by others;

pay damages; or

defend litigation or administrative proceedings which may be costly whether we win or lose, and which could result in a substantial diversion of
our financial and management resources.

We intend to pursue Section 505(b)(2) regulatory approval filings with the FDA for Qtrypta and potentially for our other product candidates where
applicable. Such filings involve significant costs, and we may also encounter difficulties or delays in obtaining regulatory approval for Qtrypta or any
other product candidates under Section 505(b)(2).

We intend to pursue regulatory approval for Qtrypta and potentially for any other product candidates, pursuant to Section 505(b)(2) of the FDCA. A
Section  505(b)(2)  application  is  a  type  of  NDA  that  enables  the  applicant  to  rely,  in  part,  on  the  FDA’s  findings  of  safety  and  efficacy  of  a  previously
approved  product  for  which  the  applicant  has  no  right  of  reference,  or  published  literature,  in  support  of  its  application.  Section  505(b)(2)  NDAs  often
provide  an  alternate  path  to  FDA  approval  for  new  or  improved  formulations  or  new  uses  of  previously  approved  products.  Such  applications  involve
significant costs, including filing fees.

To the extent that a Section 505(b)(2) NDA relies on clinical trials conducted for a previously approved product or the FDA’s prior findings of safety
and effectiveness for a previously approved product, the Section 505(b)(2) applicant must submit patent certifications in its Section 505(b)(2) application
with respect to any patents for the previously approved product on which the applicant’s application relies and that are listed in the FDA’s Approved Drug
Products with Therapeutic Equivalence Evaluations, commonly known as the Orange Book. Specifically, the applicant must certify for each listed patent
that, in relevant part, (Paragraph I) the required patent information has not been filed by the original applicant; (Paragraph II) the listed patent has expired;
(Paragraph III) the listed patent has not expired, but will expire on a particular date and approval is not sought until after patent expiration; or (Paragraph
IV) the listed patent is invalid, unenforceable or will not be infringed by the

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proposed new product. A certification that the new product will not infringe the previously approved product’s listed patent or that such patent is invalid or
unenforceable is known as a Paragraph IV certification. If the applicant does not challenge one or more listed patents through a Paragraph IV certification,
the FDA will not approve the Section 505(b)(2) NDA application until all the listed patents claiming the referenced product candidate have expired.

If the Section 505(b)(2) NDA applicant has provided a Paragraph IV certification to the FDA, the applicant must also send notice of the Paragraph IV
certification to the owner of the referenced NDA for the previously approved product and relevant patent holders within 20 days after the Section 505(b)(2)
NDA  has  been  accepted  for  filing  by  the  FDA.  The  NDA  and  patent  holders  may  then  initiate  a  patent  infringement  suit  against  the  Section  505(b)(2)
applicant. Under the FDCA, the filing of a patent infringement lawsuit within 45 days of receipt of the notification regarding a Paragraph IV certification
automatically prevents the FDA from approving the Section 505(b)(2) NDA until the earliest to occur of 30 months beginning on the date the patent holder
receives notice, expiration of the patent, settlement of the lawsuit, or until a court deems the patent unenforceable, invalid or not infringed.

If  we  rely  in  our  Section  505(b)(2)  regulatory  filings  on  clinical  trials  conducted,  or  the  FDA’s  prior  findings  of  safety  and  effectiveness,  for  a
previously approved product that involves patents referenced in the Orange Book, then we will need to make the patent certifications or the Paragraph IV
certification  described  above.  If  we  make  a  Paragraph  IV  certification  and  the  holder  of  the  previously  approved  product  that  we  referenced  in  our
application  initiates  patent  litigation  within  the  time  periods  described  above,  then  any  FDA  approval  of  our  Section  505(b)(2)  application  would  be
delayed  until  the  earlier  of  30  months,  resolution  of  the  lawsuit,  or  the  other  events  described  above.  Accordingly,  our  anticipated  dates  of  commercial
introduction of our product candidates would be delayed. In addition, we would incur the expenses, which could be material, involved with any such patent
litigation.  As  a  result,  we  may  invest  a  significant  amount  of  time  and  expense  in  the  development  of  our  product  candidates  only  to  be  subject  to
significant delay and patent litigation before our product candidates may be commercialized, if at all.

In addition, even if we submit a Section 505(b)(2) application that relies on clinical trials conducted for a previously approved product where there are
no patents referenced in the Orange Book for such other product with respect to which we have to provide certifications, we are subject to the risk that the
FDA could disagree with our reliance on the particular previously approved product, conclude that such previously approved product is not an acceptable
reference  product,  and  require  us  instead  to  rely  as  a  reference  product  on  another  previously  approved  product  that  involves  patents  referenced  in  the
Orange Book, requiring us to make the certifications described above and subjecting us to additional delay, expense and the other risks described above.

We may become involved in costly and time-consuming lawsuits with uncertain outcomes to protect or enforce our patents.

Competitors  may  infringe  our  patents.  To  counter  infringement  or  unauthorized  use,  we  may  be  required  to  file  infringement  claims,  which  can  be
expensive and time consuming. In addition, in an infringement proceeding, a court may decide that a patent of ours is invalid or unenforceable or may
refuse to stop the other party from using the technology at issue on the grounds that our patents do not cover the technology in question. If we initiate legal
proceedings  against  a  third-party  to  enforce  a  patent  covering  our  product  candidates,  the  defendant  could  counterclaim  that  the  patents  covering  our
product candidates are invalid or unenforceable. In patent litigation in the United States, defendant counterclaims alleging invalidity or unenforceability are
commonplace.  Grounds  for  a  validity  challenge  could  be  an  alleged  failure  to  meet  any  of  several  statutory  requirements,  including  a  lack  of  novelty,
obviousness,  written  description  or  non-enablement.  Grounds  for  an  unenforceability  assertion  could  be  an  allegation  that  someone  connected  with
prosecution of the patent withheld information material to patentability from the USPTO, or made a misleading statement, during prosecution. Third-parties
also may raise similar claims before administrative bodies in the United States or abroad, even outside the context of litigation. Such mechanisms include
ex  parte  reexamination,  post-grant  review,  inter partes  review,  interference  proceedings,  derivation  proceedings,  and  equivalent  proceedings  in  foreign
jurisdictions (e.g., opposition proceedings).

There is a risk that a court or administrative body would decide to revoke, cancel or amend our patents in such a way that they no longer cover and
protect a product candidate. In addition, a court or administrative body may decide that our patents are invalid, unenforceable or not infringed by a third-
party’s  activities.  The  outcome  following  legal  assertions  of  invalidity  and  unenforceability  is  unpredictable.  With  respect  to  the  validity  question,  for
example, we cannot be certain that there is no invalidating prior art of which the patent examiner and we or our licensing partners were unaware during
prosecution. An adverse result in any litigation or proceeding could put one or more of our patents at risk of being invalidated or interpreted narrowly.
Furthermore, 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. In addition, our licensors may have rights to file and prosecute
such claims and we may be reliant on them to do so.

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An  adverse  outcome  in  a  litigation  or  proceeding  involving  our  patents  could  limit  our  ability  to  assert  our  patents  against  competitors,  affect  our
ability to receive royalties or other licensing consideration from our licensees, and may curtail or preclude our ability to exclude third-parties from making,
using  and  selling  similar  or  competitive  products.  Any  of  these  occurrences  could  have  a  material  adverse  effect  on  our  business,  financial  condition,
results of operations and prospects.

We may be subject to claims that our employees have wrongfully used or disclosed alleged trade secrets of their former employers.

Some of our employees were previously employed at universities or other biotechnology or pharmaceutical companies, including our competitors or
potential competitors. Although we try to ensure that our employees do not use the proprietary information or know-how of others in their work for us, we
may be subject to claims that we or our employees have used or disclosed intellectual property, including trade secrets or other proprietary information, of
any such employee’s former employer, or that patents and applications we have filed to protect inventions of these employees, even those related to our
product candidates, are rightfully owned by their former or concurrent employer. Litigation may be necessary to defend against these claims. If we fail in
defending  any  such  claims,  in  addition  to  paying  monetary  damages,  we  may  lose  valuable  intellectual  property  rights  or  personnel.  Even  if  we  are
successful in defending against such claims, litigation could result in substantial costs and be a distraction to management.

Our agreements with employees and our personnel policies also provide that any inventions conceived by the individual in the course of rendering
services to us shall be our exclusive property. Although our policy is to have all employees complete these agreements, we may not obtain these agreements
in all circumstances, and individuals with whom we have these agreements may not comply with their terms. The assignment of intellectual property may
not be self-executing and despite such agreement, such inventions may become assigned to third-parties. In the event of unauthorized use or disclosure of
our trade secrets or proprietary information, these agreements, even if obtained, may not provide meaningful protection, particularly for our trade secrets or
other confidential information. To the extent that our employees, consultants or contractors use technology or know-how owned by third-parties in their
work  for  us,  disputes  may  arise  between  us  and  those  third-parties  as  to  the  rights  in  related  inventions.  We  may  also  be  subject  to  claims  that  former
employees, collaborators, or other third-parties have an ownership interest in our patents or other intellectual property. In addition, we may face claims by
third-parties  that  our  agreements  with  employees,  contractors,  or  consultants  obligating  them  to  assign  intellectual  property  to  us  are  ineffective  or  in
conflict with prior or competing contractual obligations of assignment, which could result in ownership disputes regarding intellectual property we have
developed or will develop and interfere with our ability to capture the commercial value of such intellectual property. To the extent that an individual who
is not obligated to assign rights in intellectual property to us is rightfully an inventor of intellectual property, we may need to obtain an assignment or a
license to that intellectual property from that individual, or a third-party or from that individual’s assignee. Such assignment or license may not be available
on commercially reasonable terms or at all.

Intellectual property litigation could cause us to spend substantial resources and distract our personnel from their normal responsibilities.

There is a great deal of litigation concerning intellectual property in our industry, and we could become involved in litigation. 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, there could be public announcements of the results of hearings, motions or other
interim proceedings or developments, and if securities analysts or investors perceive these results to be negative, it could have a substantial adverse effect
on the price of our common stock. 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.  Some  of  our
competitors may be able to sustain the costs of such litigation or proceedings more effectively than we can because of their substantially greater financial
resources. Uncertainties resulting from the initiation and continuation of patent litigation or other proceedings could have a material adverse effect on our
business, financial condition, results of operations and ability to compete in the marketplace.

Recent patent reform legislation could increase the uncertainties and costs surrounding the prosecution of our patent applications and the enforcement
or defense of our issued patents.

On September 16, 2011, the Leahy-Smith America Invents Act ("Leahy-Smith Act") was signed into law. The Leahy-Smith Act includes a number of
significant  changes  to  U.S.  patent  law.  These  include  provisions  that  affect  the  way  patent  applications  will  be  prosecuted  and  may  also  affect  patent
litigation. In particular, under the Leahy-Smith Act, the United States transitioned in March 2013 to a “first to file” system in which the first inventor to file
a patent application will be entitled to the patent. Third- parties are allowed to submit prior art before the issuance of a patent by the USPTO and may
become involved in

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opposition,  derivation,  reexamination,  inter-parties  review  or  interference  proceedings  challenging  our  patent  rights  or  the  patent  rights  of  others.  An
adverse determination in any such submission, proceeding or litigation could reduce the scope of, or invalidate, our patent rights, which could adversely
affect our competitive position.

The USPTO is implementing regulations and procedures to govern administration of the Leahy-Smith Act, and many of the substantive changes to
patent law associated with the Leahy-Smith Act, and in particular, the first to file provisions, did not become effective until March 16, 2013. In addition,
courts continue to decide how to interpret and enforce patent law. Accordingly, it is not clear what, if any, impact the Leahy-Smith Act will have on the
operation of our business. However, the Leahy-Smith Act and its implementation could increase the uncertainties and costs surrounding the prosecution of
our patent applications and the enforcement or defense of our issued patents, all of which could have a material adverse effect on our business, results of
operations, financial condition and cash flows and future prospects.

In addition, the patent positions of companies in the development and commercialization of biologics and pharmaceuticals are particularly uncertain.
Recent  U.S.  Supreme  Court  rulings  have  narrowed  the  scope  of  patent  protection  available  in  certain  circumstances  and  weakened  the  rights  of  patent
owners in certain situations. This combination of events has created uncertainty with respect to the validity and enforceability of patents, once obtained.
Depending  on  future  actions  by  the  U.S.  Congress,  the  federal  courts,  and  the  USPTO,  the  laws  and  regulations  governing  patents  could  change  in
unpredictable ways that could have a material adverse effect on our existing patent portfolio and our ability to protect and enforce our intellectual property
in  the  future.  Similarly,  statutory  or  judicial  changes  to  the  patent  laws  of  other  countries  may  increase  the  uncertainties  and  costs  surrounding  the
prosecution of patent applications and the enforcement or defense of issued patents.

We may not be successful in obtaining necessary rights to future product candidates through acquisitions and in-licenses.

Any future programs we choose to pursue may require the use of proprietary rights held by third-parties, and the growth of our business will likely
depend in part on our ability to acquire, in-license, maintain or use these proprietary rights. We may be unable to acquire or in-license any compositions,
methods of use, processes, or other third-party intellectual property from third- parties that we later identify as necessary for our future product candidates
or  such  intellectual  property  may  not  be  available  on  commercially  reasonable  terms.  The  licensing  and  acquisition  of  third-party  intellectual  property
rights is a competitive area, and a number of more established companies are also pursuing strategies to license or acquire third-party intellectual property
rights that we may consider attractive. These established companies may have a competitive advantage over us due to their size, financial resources, and
greater clinical development and commercialization capabilities.

For example, we may in the future collaborate with non-profit and academic institutions to accelerate our preclinical research or development under
written  agreements  with  these  institutions.  These  institutions  may  provide  us  with  an  option  to  negotiate  a  license  to  any  of  the  institution’s  rights  in
technology resulting from the collaboration. Regardless of such option, we may be unable to negotiate a license within the specified time frame or under
terms that are acceptable to us. If we are unable to do so, the institution may offer the intellectual property rights to other parties, potentially blocking our
ability to pursue our applicable product candidate or program.

In addition, companies that perceive us to be a competitor may be unwilling to assign or license rights to us. We also may be unable to license or
acquire  third-party  intellectual  property  rights  on  terms  that  would  allow  us  to  make  an  appropriate  return  on  our  investment.  If  we  are  unable  to
successfully obtain a license to third-party intellectual property rights necessary for the development of a product candidate or program on reasonable terms
or at all, we may have to abandon development of that product candidate or program and our business and financial condition could materially adversely
suffer.

We may not be able to protect our intellectual property rights throughout the world.

Filing, prosecuting, and defending patents on our product candidates in all countries throughout the world may be prohibitively expensive, and our
intellectual property rights in some countries outside the United States and Europe can be less extensive than those in the United States and Europe. In
addition, the laws of some countries outside the United States and Europe do not protect intellectual property rights to the same extent as federal and state
laws in the United States and laws in Europe. Consequently, we may not be able to prevent third-parties from practicing our inventions in all countries
outside  the  United  States  and  Europe,  or  from  selling  or  importing  products  made  using  our  inventions  in  and  into  the  United  States,  Europe  or  other
jurisdictions. Third- parties may use our technologies in jurisdictions where we have not obtained or are unable to adequately enforce patent protection to
develop their own products and further, may export otherwise infringing products to territories where we have patent protection, but enforcement is not as
strong as that in the United States and Europe. These products may compete with our product and our patents or other intellectual property may not be
effective or sufficient to prevent them from competing.

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Many  companies  have  encountered  significant  problems  in  protecting  and  defending  intellectual  property  rights  in  jurisdictions  outside  the  United
States and Europe. The legal systems of certain countries, particularly certain developing countries, do not favor the enforcement of patents, trade secrets,
and other intellectual property protection, particularly those relating to biotechnology products, which could make it difficult for us to stop the infringement
of  our  patents,  the  reproduction  of  our  manufacturing  or  other  know-how  or  marketing  of  competing  products  in  violation  of  our  proprietary  rights
generally. Proceedings to enforce our intellectual property rights in jurisdictions outside the United States and Europe, whether or not successful, could
result  in  substantial  costs  and  divert  our  efforts  and  attention  from  other  aspects  of  our  business,  could  put  our  patents  at  risk  of  being  invalidated  or
interpreted narrowly and our patent applications at risk of not issuing and could 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, if any, may not be commercially meaningful. 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.

Many countries have compulsory licensing laws under which a patent owner may be compelled to grant licenses to third- parties. In addition, many
countries limit the enforceability of patents against government agencies or government contractors. In these countries, the patent owner may have limited
remedies, which could materially diminish the value of such patent. If we or any of our licensors is forced to grant a license to third-parties with respect to
any patents relevant to our business, our competitive position may be impaired, and our business, financial condition, results of operations and prospects
may be adversely affected.

If we do not obtain patent term extensions and data exclusivity for Qtrypta or any of our other product candidates, our business may be materially
harmed.

Depending upon the timing, duration and conditions of any 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 Hatch-Waxman Act and similar legislation in the EU. The Hatch-Waxman Act 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 the FDA regulatory review
process. A patent term extension cannot extend the remaining term of a patent beyond a total of 14 years from the date of product approval, only one patent
may be extended and only those claims covering the approved drug, a method for using it or a method for manufacturing it may be extended. However, we
may not receive an extension, for example, if we fail to apply within applicable deadlines, fail to apply prior to expiration of relevant patents or otherwise
fail to satisfy applicable requirements. Moreover, the length of the extension could be less than we request. If we are unable to obtain patent term extension
or the term of any such extension is less than we request, the period during which we can enforce our patent rights for that product will be shortened and
our  competitors  may  obtain  approval  to  market  competing  products  sooner.  As  a  result,  our  business,  financial  condition,  results  of  operations,  and
prospects 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.

Our pending or future registered or unregistered trademarks or trade names may not issue and may be challenged, infringed, circumvented or declared
generic or determined to be infringing on other marks. We may not be able to protect our rights to these trademarks and trade names, which we need to
build name recognition by potential partners 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. Over the long term, if we are unable to 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.

Intellectual property rights do not necessarily address all potential threats to any competitive advantage we may have.

The degree of future protection afforded by our intellectual property rights is uncertain because intellectual property rights have limitations, and may

not adequately protect our business, or permit us to maintain our competitive advantage. The following examples are illustrative:

•

Others  may  be  able  to  make  compounds  that  are  the  same  as  or  similar  to  our  product  candidates,  which  are  aimed  initially  at  the  generic
market and are not covered by the claims of the patents that we own or have exclusively licensed;

• We or any of our licensors or strategic partners might not have been the first to make the inventions covered by the issued patent or pending

patent application that we own or have exclusively licensed;

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•

•

•

•

Others may independently develop similar or alternative technologies or duplicate any of our technologies without infringing our intellectual
property rights;

It is possible that our pending patent applications will not lead to issued patents;

Issued  patents  that  we  own  or  have  exclusively  licensed  may  not  provide  us  with  any  competitive  advantages,  or  may  be  held  invalid  or
unenforceable, as a result of legal challenges by our competitors;

Our competitors might conduct research and development activities in the United States and other countries that provide a safe harbor from
patent infringement claims for certain research and development activities, as well as in countries where we do not have patent rights, and then
use the information learned from such activities to develop competitive products for sale in our major commercial markets.

RISKS RELATED TO LEGISLATION AND ADMINISTRATIVE ACTIONS

Our relationships with customers and third-party payers will be subject to applicable anti-kickback, fraud and abuse and other healthcare laws and
regulations, which could expose us to criminal sanctions, civil penalties, contractual damages, reputational harm and diminished profits and future
earnings.

Healthcare providers, physicians and third-party payers will play a primary role in the recommendation and prescription of any product candidates for
which we obtain marketing approval. Our future arrangements with third-party payers and customers may expose us to broadly applicable fraud and abuse
and other healthcare laws and regulations that may constrain the business or financial arrangements and relationships through which we market, sell and
distribute any products for which we obtain marketing approval. Restrictions under applicable federal and state healthcare laws and regulations include the
following:

•

•

•

•

•

the  federal  Anti-Kickback  Statute  prohibits,  among  other  things,  persons  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 federal healthcare program such as
Medicare and Medicaid; The term “remuneration” has been broadly interpreted to include anything of value. Although there are a number of
statutory  exceptions  and  regulatory  safe  harbors  protecting  some  common  activities  from  prosecution,  the  exceptions  and  safe  harbors  are
drawn narrowly. Practices that involve remuneration that may be alleged to be intended to induce prescribing, purchases or recommendations
may be subject to scrutiny if they do not qualify for an exception or safe harbor. A person or entity does not need to have actual knowledge of
the federal Anti-Kickback Statute or specific intent to violate it to have committed a violation;

the  federal  False  Claims  Act  imposes  criminal  and  civil  penalties,  including  civil  whistleblower  or  qui  tam  actions,  against  individuals  or
entities  for,  among  other  things,  knowingly  presenting,  or  causing  to  be  presented  false  or  fraudulent  claims  for  payment  by  a  federal
government  program,  or  making  a  false  statement  or  record  material  to  payment  of  a  false  claim  or  avoiding,  decreasing  or  concealing  an
obligation to pay money to the federal government. In addition, the government may assert that a claim including items or services resulting
from a violation of the federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the False Claims Act;

the federal Health Insurance Portability and Accountability Act of 1996, ("HIPAA"), as amended by the Health Information Technology for
Economic  and  Clinical  Health  Act,  imposes  criminal  and  civil  liability  for  executing  a  scheme  to  defraud  any  healthcare  benefit  program.
Similar  to  the  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;

HIPAA,  as  amended  by  the  Health  Information  Technology  for  Economic  and  Clinical  Health  Act  and  its  implementing  regulations,  also
imposes obligations, including mandatory contractual terms, with respect to safeguarding the privacy, security and transmission of individually
identifiable health information;

the  federal  false  statements  statute  prohibits  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;

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•

•

the  federal  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  the  government  information  related  to  payments  or  other  “transfers  of  value”  made  to  physicians,  certain  other  healthcare  providers
beginning in 2022, and teaching hospitals, and requires applicable manufacturers and group purchasing organizations to report annually to the
government ownership and investment interests held by the physicians described above and their immediate family members; and

analogous  state  laws  and  regulations,  such  as  state  anti-kickback  and  false  claims  laws  and  analogous  non-U.S.  fraud  and  abuse  laws  and
regulations, may apply to sales or marketing arrangements and claims involving healthcare items or services reimbursed by non-governmental
third-party  payers,  including  private  insurers,  and  some  state  laws  require  pharmaceutical  companies  to  comply  with  the  pharmaceutical
industry’s  voluntary  compliance  guidelines  and  the  relevant  compliance  guidance  promulgated  by  the  federal  government  in  addition  to
requiring drug manufacturers to report information related to payments to physicians and other health care providers or marketing expenditures.

State and foreign laws also govern the privacy and security of health-related and other personal information in some circumstances, many of which
differ from each other in significant ways and often are not preempted by HIPAA, thus complicating compliance efforts. For instance, the collection and
use of health data in the European Economic Area ("EEA") is governed by the GDPR, which imposes strict requirements for processing personal data of
individuals within the EEA. The GDPR provides that EU and EEA Member States may make their own further laws and regulations, which may impose
more limitations, including in relation to the processing of genetic, biometric or health data, which may result in differences between Member State laws,
limit our ability to use and share personal data, cause our costs to increase, and/or harm our business and/or financial condition. Failure to comply with the
GDPR may result in substantial fines and other administrative penalties. The GDPR may increase our responsibility and liability in relation to personal data
that we process and we may be required to put in place additional mechanisms ensuring compliance with the GDPR. This may be onerous and if our efforts
to comply with GDPR or other applicable European Union laws and regulations are not successful, it could adversely affect our business in the European
Union.

Among other requirements, the GDPR regulates transfers of personal data subject to the GDPR to third countries that have not been found to provide
adequate protection to such personal data, including the United States, and the efficacy and longevity of current transfer mechanisms between the EU and
the United States remains uncertain. For example, in 2016, the EU and United States agreed to a transfer framework for data transferred from the EU to the
United States, called the Privacy Shield, but the Privacy Shield was invalidated in July 2020 by the Court of Justice of the European Union. Further, from
January 1, 2021, companies have to comply with the GDPR and also the United Kingdom GDPR (“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 (£17.5 million) or 4% of global turnover. The relationship between the United Kingdom and the European Union in relation to certain aspects of
data protection law remains unclear, and it is unclear how United Kingdom data protection laws and regulations will develop in the medium to longer term,
and how data transfers to and from the United Kingdom will be regulated in the long term. Currently there is a four to six-month grace period agreed in the
EU and United Kingdom Trade and Cooperation Agreement, ending June 30, 2021 at the latest, whilst the parties discuss an adequacy decision. However,
it is not clear whether (and when) an adequacy decision may be granted by the European Commission enabling data transfers from EU member states to the
United Kingdom long term without additional measures. These changes may lead to additional costs and increase our overall risk exposure.

In addition, on June 28, 2018, the State of California enacted the CCPA, which took 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. The CCPA may increase
our  compliance  costs  and  potential  liability,  and  similar  laws  have  been  proposed  at  the  federal  level  and  in  other  states.  Additionally,  a  new  ballot
initiative,  the  CPRA,  recently  passed  in  California.  The  CPRA  will  impose  additional  data  protection  obligations  on  companies  doing  business  in
California, 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 provisions will go into effect on January 1, 2023, and additional compliance investment
and potential business process changes may be required. Compliance with U.S. and foreign privacy and security laws, rules and regulations could require
us to take on more onerous obligations in our contracts, require us to engage in costly compliance exercises, restrict our ability to collect, use and disclose
data, or in some cases, impact our or our partners’ or suppliers’ ability to operate in certain jurisdictions.

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Efforts  to  ensure  that  our  business  arrangements  with  third-parties  will  comply  with  applicable  healthcare  laws  and  regulations  will  also  involve
substantial  costs.  It  is  possible  that  governmental  authorities  will  conclude  that  our  business  practices  may  not  comply  with  current  or  future  statutes,
regulations 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  these  laws  or  any  other  governmental  regulations  that  may  apply  to  us,  we  may  be  subject  to  significant  civil,  criminal  and  administrative  penalties,
damages, fines, imprisonment, exclusion of products from government funded healthcare programs, such as Medicare and Medicaid, integrity oversight
and  reporting  obligations,  contractual  damages,  reputational  harm,  disgorgement,  diminished  profits  and  future  earnings  and  the  curtailment  or
restructuring  of  our  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.

Our ability to generate revenue from the sale of our product candidates will be diminished if we are unable to obtain third-party coverage and adequate
levels of reimbursement for any approved product candidate.

Our ability to commercialize any product candidate for which we receive regulatory approval, alone or with collaborators, will depend in part on the
extent to which coverage and reimbursement for the product candidate will be available from government and health administration authorities, private
health maintenance organizations and health insurers, and other third-party payers.

A substantial portion of our potential future revenue depends or will depend, in part, on the extent to which the costs of our products, purchased by our
customers are reimbursed by third-party payers, including Medicare, Medicaid, other U.S. government sponsored programs, non-U.S. governmental payers
and private payers. Our customers’ ability to obtain adequate reimbursement for products and services from these third-party payers affects the selection of
products they purchase and the prices they are willing to pay. Some of our target customers may be unwilling to adopt our products in light of the additional
associated cost. If we are forced to lower the price we will charge for our U.S. product candidates, if approved, our profit margins will decrease, which will
adversely affect our ability to invest in and grow our business. With the global pressure on healthcare costs, payers are attempting to contain costs by, for
example, limiting coverage of, and the level of reimbursement for, new therapies. Any limitations on, decreases in or elimination of payments by third-
party payers may have an adverse effect on our financial condition, business, prospects and/or results of operations.

Additionally,  healthcare  payers,  including  Medicare,  are  challenging  the  prices  charged  for  medical  products  and  services.  Government  and  other
healthcare payers increasingly attempt to contain healthcare costs by limiting both coverage and the level of reimbursement for drugs. Even if our product
candidates  are  approved  by  the  FDA,  insurance  coverage  may  not  be  available,  and  reimbursement  levels  may  be  inadequate,  to  cover  the  product
candidates.  If  government  and  other  healthcare  payers  do  not  provide  adequate  coverage  and  reimbursement  levels  for  our  product  candidates,  once
approved, market acceptance of the product could be reduced.

Healthcare reform may have a material adverse effect on our industry and our results of operations.

Significant uncertainty exists as to the reimbursement status of newly approved healthcare products. The regulations that govern marketing approvals,
pricing and reimbursement for new drug products vary widely from country to country. In the United States, the Patient Protection and Affordable Care
Act,  as  amended  by  the  Health  Care  and  Education  Affordability  Reconciliation  Act  of  2010  ("ACA")  is  significantly  changing  the  way  healthcare  is
financed  by  both  governmental  and  private  insurers.  From  time  to  time,  legislation  is  implemented  to  rein  in  rising  healthcare  expenditures.  The  ACA
included  a  number  of  provisions  affecting  the  pharmaceutical  and  medical  device  industries,  including  annual,  non-deductible  fees  on  any  entity  that
manufactures or imports certain branded prescription drugs and biologics and increases in Medicaid rebates owed by manufacturers under the Medicaid
Drug Rebate Program. In addition, among other things, the ACA also established a new Patient-Centered Outcomes Research Institute to oversee, identify
priorities in and conduct comparative clinical effectiveness research. The increased funding and focus on comparative clinical effectiveness research, which
compares and evaluates the risks and benefits, clinical outcomes, effectiveness and appropriateness of products, may result in lower reimbursements by
payers for our product and decreased profits to us.

Since  its  enactment,  there  have  been  judicial  and  Congressional  challenges  to  certain  aspects  of  the  ACA,  and  we  expect  there  will  be  additional
challenges  and  amendments  to  the  ACA  in  the  future.  By  way  of  example,  the  Tax  Cuts  and  Jobs  Act  of  2017  (the  “Tax  Act”)  included  a  provision
repealing the tax-based shared responsibility payment imposed by the ACA on certain individuals who fail to maintain qualifying health coverage for all or
part of a year that is commonly referred to as the “individual mandate”. On December 14, 2018, a U.S. District Court Judge in the Northern District of
Texas, ruled that the individual mandate is a critical and inseverable feature of the ACA, and therefore, because it was repealed as part of the Tax Act, the
remaining provisions of the ACA are invalid as well. This decision was subsequently appealed, and on December 18,

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2019, the U.S. Court of Appeals for the Fifth Circuit affirmed the decision of the district court that the individual mandate, as amended by the Tax Act, was
unconstitutional. The Fifth Circuit remanded the case to the district court to consider a remedy, including to consider and explain which provisions of the
ACA are inseverable and invalid. The U.S. Supreme Court is currently reviewing the case, although it is unclear how the Supreme Court will rule. It is also
unclear how other efforts, if any, to challenge, repeal or replace the ACA will impact the ACA or our business.

Other  federal  legislative  changes  have  been  proposed  and  adopted  since  the  ACA  was  enacted.  These  changes  included  an  aggregate  reduction  in
Medicare payments to providers of 2% per fiscal year, which went into effect on April 1, 2013 and will remain in effect through 2030, with the exception of
a temporary suspension from May 1, 2020 through March 31, 2021, unless additional Congressional action is taken. Moreover, there has recently been
heightened  governmental  scrutiny  over  the  manner  in  which  manufacturers  set  prices  for  their  marketed  products,  which  has  resulted  in  several
Congressional  inquiries  and  proposed  and  enacted  legislation  designed,  among  other  things,  to  bring  more  transparency  to  product  pricing,  review  the
relationship  between  pricing  and  manufacturer  patient  programs  and  reform  government  program  reimbursement  methodologies  for  pharmaceutical
products. These new laws and any other future legislative or policy changes may result in additional reductions in Medicare and other healthcare funding,
which may result in downward pressure on pharmaceutical reimbursement, which could negatively affect market acceptance of our out-licensed products
and product candidates (if and when approved) and accordingly, our financial results.

If our product candidates become subject to recall it could harm our reputation, business and financial results.

The  FDA  and  similar  foreign  governmental  authorities  have  the  authority  to  request  the  recall  of  commercialized  products  in  the  event  of  material
deficiencies or defects in design, manufacture or labeling. A recall by us could occur as a result of component failures, manufacturing errors, design or
labeling defects or other deficiencies and issues. Recalls of any of our products would divert managerial and financial resources and have an adverse effect
on our financial condition and results of operations. The FDA requires that certain classifications of recalls be reported to the FDA within 10 working days
after the recall is initiated. Companies are required to maintain records of recalls, even if they are not reportable to the FDA. We may initiate voluntary
recalls involving our products in the future that we determine do not require notification of the FDA. If the FDA disagrees with our determinations, we
could be required to report those actions as recalls. A recall announcement could harm our reputation with customers and negatively affect our sales. In
addition, the FDA could take enforcement action for failing to report the recalls when they were conducted.

Governments outside the United States may impose strict price controls, which may adversely affect our revenue, if any.

In  some  countries,  particularly  in  the  European  Union,  the  pricing  of  prescription  pharmaceuticals  is  subject  to  governmental  control.  In  these
countries, pricing negotiations with governmental authorities can take considerable time after the receipt of marketing approval for a product. To obtain
coverage and reimbursement or pricing approval in some countries, we may be required to conduct a clinical trial that compares the cost-effectiveness of
our product candidates to other available therapies. If reimbursement for our product candidates is unavailable or limited in scope or amount, or if pricing is
set at unsatisfactory levels, our business could be harmed, possibly materially.

Changes in U.S. tax law could adversely affect our business and financial condition.

Legislation or other changes in tax laws could lead to or increase our tax liability and adversely affect our after-tax profitability. For example, the Tax
Act was enacted in the United States on December 22, 2017. Given our valuation allowance position, the Tax Act is not expected to have a significant
impact on our effective tax rate, cash tax expenses or net deferred tax assets. Additionally, on March 27, 2020 and December 27, 2020, the United States
enacted the CARES Act and the Consolidated Appropriation Act ("CAA"), respectively, as a result of the Coronavirus pandemic, which contain, among
other things, numerous income tax provisions. Some of these tax provisions are expected to be effective retroactively for years ending before the date of
enactment. We have evaluated the current legislation and, at this time, we do not anticipate that the CARES Act or CCA will have a material impact on our
financial statements; however, the future impact of these acts and any other future changes in tax law on holders of our common stock is uncertain and
could adversely affect our business and financial condition.

Our ability to utilize our net operating loss carryforwards and certain other tax attributes may be limited.

Under Sections 382 and 383 of the Internal Revenue Code of 1986, as amended, if a corporation undergoes an “ownership change” (generally defined
as a greater than 50 percentage point change (by value) in the ownership of its equity by certain significant stockholders over a rolling three-year period),
the corporation’s ability to use its pre-change net operating loss carryforwards and certain other pre-change tax attributes to offset its post-change income or
tax liability may be limited. We

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have experienced such ownership changes in the past (and derecognized certain deferred tax assets as of December 31, 2020 in connection with ownership
changes  we  determined  had  occurred  prior  to  such  date),  and  we  may  experience  ownership  changes  in  the  future  as  a  result  of  future  offerings  and/or
subsequent shifts in our stock ownership, some of which may be outside our control. Because our ability to use our net operating loss carryforwards and
other tax attributes is limited by ownership changes, we may be unable to utilize a material portion of our net operating losses and other tax attributes.

RISKS RELATED TO EMPLOYEE MATTERS, OUR OPERATIONS AND MANAGING GROWTH

We  may  enter  into  or  seek  to  enter  into  business  partnerships,  combinations  and/or  acquisitions  which  may  be  difficult  to  integrate,  disrupt  our
business, divert management attention or dilute stockholder value.

We may enter into business partnerships, combinations and/or acquisitions. We have limited experience in making acquisitions, which are typically

accompanied by a number of risks, including:

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the difficulty of integrating the operations and personnel of the acquired companies;

the potential disruption of our ongoing business and distraction of management;

potential unknown liabilities and expenses;

the failure to achieve the expected benefits of the combination or acquisition;

the maintenance of acceptable standards, controls, procedures and policies; and

the impairment of relationships with employees as a result of any integration of new management and other personnel.

If we are not successful in completing acquisitions that we may pursue in the future, we would be required to reevaluate our business strategy and we
may have incurred substantial expenses and devoted significant management time and resources in seeking to complete the acquisitions. In addition, we
could use substantial portions of our available cash as all or a portion of the purchase price, or we could issue additional securities as consideration for
these acquisitions, which could cause our stockholders to suffer significant dilution.

We rely on key executive officers and their knowledge of our business and technical expertise would be difficult to replace.

We are highly dependent on our key executive officers. We do not have “key person” life insurance policies for any of our officers. The loss of the
technical knowledge and management and industry expertise of any of our key personnel could result in delays in product development and diversion of
management resources, which could have a material adverse effect on our business, financial condition and results of operations.

On  February  1,  2020,  Gregory  Kitchener  resigned  as  our  chief  financial  officer.  We  cannot  guarantee  that  we  will  not  face  similar  turnover  in  the
future. Management transition is often difficult. Our ability to execute our business strategies may be adversely affected by the uncertainty associated with
any transition and the time and management attention needed to fill any vacant role could disrupt our business.

If we are unable to hire additional qualified personnel, our ability to grow our business may be harmed.

We  will  need  to  hire  additional  qualified  personnel  with  expertise  in  preclinical  testing,  clinical  research  and  testing,  government  regulation,
formulation and manufacturing and sales and marketing. We compete for qualified individuals with numerous biopharmaceutical companies, universities
and other research institutions. Competition for such individuals is intense, and we cannot be certain that our search for such personnel will be successful.
Attracting and retaining qualified personnel will be critical to our success.

Our operations and employees face risks related to health epidemics that could adversely affect our financial condition and operating results.

Our business could be adversely impacted by the effects of a health epidemic, such as the COVID-19 pandemic. Our sole laboratory, executive team,
and most of our employee base are located in the San Francisco Bay Area. In the event of a health epidemic that becomes widespread in or around the San
Francisco Bay Area, we may take precautionary measures such as limiting our employees’ travel activities, implementing alternative work arrangements
for our employees, and suspending our lab operations. For example, as a result of the COVID-19 pandemic, a majority of our workforce has moved to a
remote working environment. With our employees working remotely, we could face operational difficulties that could impair our ability to conduct and
manage our business effectively. Furthermore, such health epidemic, even outside of the San Francisco

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Bay Area, may also adversely impact the operations of our CMOs, suppliers and business partners as they implement their own precautionary measures,
and we would be unable to predict how a health epidemic, such as the COVID-19 pandemic, and the related changing economic conditions will affect our
third-party partners. Such conditions could disrupt our operational activities and may result in an inability to meet our operational targets, and therefore our
financial condition and operating results could be adversely affected.

Our employees may engage in misconduct or other improper activities, including non-compliance with regulatory standards and requirements.

We are exposed to the risk of employee fraud or other misconduct. Misconduct by employees could include intentional failures to comply with FDA
regulations, to provide accurate information to the FDA, to comply with manufacturing standards we have established, to comply with federal and state
healthcare fraud and abuse laws and regulations, to report financial information or data accurately or to 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, kickbacks,
self-dealing and other abusive practices. These laws and regulations may restrict or prohibit a wide range of pricing, discounting, marketing and promotion,
sales  commission,  customer  incentive  programs  and  other  business  arrangements.  Employee  misconduct  could  also  involve  the  improper  use  of
individually identifiable information, including, without limitation, information obtained in the course of clinical trials, which could result in regulatory
sanctions and serious harm to our reputation. We have adopted a code of business conduct and ethics, but it is not always possible to identify and deter
employee misconduct, and the precautions we take to detect and prevent improper activities may not be effective in controlling unknown or unmanaged
risks or losses or in protecting us from governmental investigations or other actions or lawsuits stemming from a failure to be in compliance with such laws
or regulations. If any such actions are instituted against us, and we are not successful in defending ourselves or asserting our rights, those actions could
have a significant impact on our business, including the imposition of significant fines or other sanctions, including civil, criminal or administrative.

We may not successfully manage our growth.

Our success will depend upon the effective management of our growth, which will place a significant strain on our management and on administrative,
operational  and  financial  resources.  To  manage  this  growth,  we  may  be  required  to  expand  our  facilities,  augment  our  operational,  financial  and
management systems and hire and train additional qualified personnel. Our inability to manage this growth could have a material adverse effect on our
business, financial condition and results of operations.

Risks  associated  with  use  of  our  company-wide  enterprise  resource  planning  (“ERP”)  system  may  adversely  affect  our  business  and  results  of
operations or the effectiveness of internal control over financial reporting.

We completed the implementation of a company-wide ERP system in the first fiscal quarter of 2019 to handle the business and financial processes
within our operations and corporate functions. The use of the ERP system will increase as we expand our operations, possibly requiring the implementation
of additional modules or system functionality. To reap the benefits of our ERP system, we may need to change certain business and financial processes. Our
business and results of operations may be adversely affected if we experience operating problems or cost overruns following the implementation process, or
if the systems and the associated process changes do not give rise to the benefits that we expect. If we do not effectively maintain or integrate the ERP
system as planned or if the systems do not operate as intended, it may adversely affect our ability to manage and run our business operations, file reports
with the SEC in a timely manner, and/or otherwise affect our internal control environment. Any of these consequences could have an adverse effect on our
results of operations and financial condition.

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RISKS RELATING TO AN INVESTMENT IN OUR COMMON STOCK

The trading price of our common stock has been volatile with substantial price fluctuations on heavy volume, which could result in substantial losses
for purchasers of our common stock and existing stockholders.

Our stock price has been and, in the future, may be subject to substantial volatility. During the period from January 2, 2018 through March 9, 2021, for
example, our stock has traded in a range with a low of $0.328 and a high of $25.70. The stock market in general and the market for biopharmaceutical
companies in particular have experienced extreme volatility that has often been unrelated to the operating performance of particular companies. We do not,
for example, have any explanations for the volatility in our stock price or the heavy volume of trading (on some days exceeding six times the number of
shares outstanding) that occurred in our common stock in February and March of 2019. As a result of this volatility, investors may not be able to sell their
common stock at or above the price paid for the shares. The market price for our common stock may be influenced by many factors, including:

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announcements relating to development, regulatory approvals or commercialization of our product candidates or those of competitors;

results of clinical trials of our product candidates or those of our competitors;

announcements by us or our competitors of significant strategic partnerships or collaborations or terminations of such arrangements;

actual or anticipated variations in our operating results;

changes in financial estimates by us or by any securities analysts who might cover our stock;

conditions or trends in our industry;

changes in laws or other regulatory actions affecting us or our industry;

stock market price and volume fluctuations of comparable companies and, in particular, those that operate in the biopharmaceutical industry;

announcements of investigations or regulatory scrutiny of our operations or lawsuits filed against us;

capital commitments;

investors’ general perception of our company and our business;

disputes concerning our intellectual property or other proprietary rights;

recruitment or departure of key personnel; and

sales of our common stock, including sales by our directors and officers or specific stockholders.

Moreover, the global stock markets have experienced, and may continue to experience, significant volatility as a result of the COVID-19 pandemic.
The COVID-19 pandemic and the significant uncertainties it has caused for the global economy, business activity and business confidence have had, and
may continue to have, a significant effect on the market price of securities generally, including our common stock.

We and certain of our current and former executive officers have been named as defendants in a purported securities class action lawsuit, and a related
shareholder  derivative  lawsuit  has  been  filed;  defending  against  these  lawsuits  could  cause  us  to  incur  substantial  costs  and  divert  management's
attention, financial resources and other company assets.

On  October  29,  2020  and  November  6,  2020,  two  stockholders  filed  alleged  class  action  lawsuits  against  us  and  certain  of  our  current  and  former
executive officers in the United States District Court for the Northern District of California (the "Court"). The complaints were filed purportedly on behalf
of all persons who purchased or otherwise acquired our securities between February 13, 2017 and September 30, 2020. The complaints allege that we and
certain  of  our  current  and  former  executive  officers  made  false  and/or  misleading  statements  and  failed  to  disclose  material  adverse  facts  about  our
business, operations and prospects in violation of Sections 10(b) (and Rule 10b-5 promulgated thereunder) and 20(a) of the Securities Exchange Act of
1934, as amended (the "Exchange Act"). The plaintiffs seek damages, interest, costs, attorneys’ fees and other unspecified relief. On February, 4, 2021, the
actions were consolidated and the Court appointed two Co-Lead Plaintiffs and two law firms as Co-Lead Counsel in the consolidated action. The Co-Lead
Plaintiffs’ deadline to file a consolidated amended complaint is March 29, 2021. We anticipate filing a motion to dismiss. Pursuant to a stipulated court
order, we expect to file the motion on May 13, 2021; the Co-lead Plaintiffs are expected to file their opposition on June 14, 2021; and we expect to file a
reply brief on July 6, 2021. The earliest date upon which the Court may hear the motion is July 20, 2021. These dates are

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subject to change upon court order or if the Co-Lead Plaintiffs file their consolidated amended complaint prior to the March 29, 2021 deadline.

On February 9, 2021, a stockholder filed a derivative action, purportedly on behalf of the Company (named as a nominal defendant), against certain of
our current and former executive officers and directors in the United States District Court for the District of Delaware. The complaint alleges breaches of
the defendants’ fiduciary duties as directors and/or officers of the Company, unjust enrichment, abuse of control, gross mismanagement, waste of corporate
assets,  violations  of  Section  14(a)  of  the  Exchange  Act,  and  for  contribution  under  Sections  10(b)  and  21D  of  the  Exchange  Act.  The  plaintiff  seeks
damages, restitution, interest, attorneys’ fees and costs, and other unspecified relief.

These lawsuits and any future lawsuits to which we may become a party are subject to inherent uncertainties and will likely be expensive and time-
consuming to investigate, defend and resolve, and will divert our management's attention and financial and other resources. The outcome of litigation is
necessarily uncertain, and we could be forced to expend significant resources in the defense of these and other suits, and we may not prevail. Any litigation
to which we are a party may result in an onerous or unfavorable judgment that may not be reversed upon appeal or in payments of substantial monetary
damages or fines, or we may decide to settle these or other lawsuits on similarly unfavorable terms, which could adversely affect our business, financial
condition, results of operations or stock price. See Item 3. “Legal Proceedings” for additional information regarding the class actions.

If we are unable to maintain listing of our securities on the Nasdaq Capital Market or another reputable stock exchange, it may be more difficult

for our stockholders to sell their securities.

Nasdaq requires listing issuers to comply with certain standards in order to remain listed on its exchange. If, for any reason, Nasdaq should delist our
securities from trading on its exchange and we are unable to obtain listing on another reputable national securities exchange, a reduction in some or all of
the following may occur, each of which could materially adversely affect our stockholders:

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the liquidity of our common stock;

the market price of our common stock;

our ability to obtain financing for the continuation of our operations;

the number of institutional and general investors that will consider investing in our common stock;

the number of market makers in our common stock;

the availability of information concerning the trading prices and volume of our common stock; and

the number of broker-dealers willing to execute trades in shares of our common stock.

On March 26, 2020, we received written notice from Nasdaq indicating that we were not in compliance with the $1.00 minimum bid price requirement
for  continued  listing  on  The  Nasdaq  Capital  Market,  as  set  forth  in  Listing  Rule  5550(a)(2).  On  August  14,  2020,  we  received  a  notice  from  Nasdaq
notifying us that we had regained compliance with the $1.00 minimum bid price requirement. On November 12, 2020, we received another written notice
from Nasdaq indicating that we were not in compliance with the $1.00 minimum bid price requirement for continued listing on The Nasdaq Capital Market.
In accordance with Listing Rule 5810(c)(3)(A), we had a period of 180 calendar days to regain compliance with the minimum bid price requirement. On
March 4, 2021, we received a notice from Nasdaq notifying us that we had regained compliance with the listing rule. However, as our stock price has been
volatile, there can be no assurance that we will not fall out of compliance again in the future.

We  do  not  currently  intend  to  pay  cash  dividends  on  our  common  stock  and,  consequently,  your  ability  to  achieve  a  return  on  your  investment  will
depend on appreciation in the price of our common stock.

We  have  never  declared  or  paid  any  cash  dividends  on  our  common  stock,  and  we  currently  intend  to  retain  future  earnings,  if  any,  to  fund  the
development and growth of our business. Therefore, we do not expect to declare or pay any dividends on our common stock for the foreseeable future. As a
result, your ability to receive a return on an investment in our common stock will depend on any future appreciation in the market value of our common
stock. There is no guarantee that our common stock will appreciate or even maintain the price at which you purchased it.

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Anti-takeover provisions in our amended and restated certificate of incorporation and amended and restated bylaws, as well as provisions in Delaware
law, might discourage, delay or prevent a change of control of our company or changes in our management and, therefore, depress the trading price of
our common stock.

Our amended and restated certificate of incorporation, amended and restated bylaws and Delaware law contain provisions that could have the effect of
rendering  more  difficult  or  discouraging  an  acquisition  deemed  undesirable  by  our  board  of  directors.  Our  corporate  governance  documents  include
provisions:

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providing for three classes of directors with the term of office of one class expiring each year, commonly referred to as a staggered board;

authorizing  blank  check  preferred  stock,  which  could  be  issued  with  voting,  liquidation,  dividend  and  other  rights  superior  to  our  common
stock;

limiting the liability of, and providing indemnification to, our directors;

limiting  the  ability  of  our  stockholders  to  call  and  bring  business  before  special  meetings  and  to  take  action  by  written  consent  in  lieu  of  a
meeting;

requiring  advance  notice  of  stockholder  proposals  for  business  to  be  conducted  at  meetings  of  our  stockholders  and  for  nominations  of
candidates for election to our board of directors;

controlling the procedures for the conduct and scheduling of board and stockholder meetings;

limiting the determination of the number of directors on our board and the filling of vacancies or newly created seats on the board to our board
of directors then in office; and

providing that directors may be removed by stockholders only for cause.

These provisions, alone or together, could delay hostile takeovers and changes in control or changes in our management.

As a Delaware corporation, we are also subject to provisions of Delaware law, including Section 203 of the Delaware General Corporation law, which
prohibits a publicly-held Delaware corporation from engaging in a business combination with an interested stockholder, generally a person which together
with its affiliates owns, or within the last three years has owned, 15% of our voting stock, for a period of three years after the date of the transaction in
which the person became an interested stockholder, unless the business combination is approved in a prescribed manner.

The  existence  of  the  foregoing  provisions  and  anti-takeover  measures  could  limit  the  price  that  investors  might  be  willing  to  pay  in  the  future  for
shares of our common stock. They could also deter potential acquirers of our company, thereby reducing the likelihood that our stockholders could receive
a premium for their common stock in an acquisition.

We are no longer an “emerging growth company” and may no longer take advantage of certain exemptions from various reporting requirements that
are applicable to other public companies.

Effective December 31, 2020, we are no longer an emerging growth company and may no longer take advantage of certain exemptions from various
reporting requirements that are applicable to other public companies, such as exemptions from the requirements of holding a nonbinding advisory vote on
executive compensation and stockholder approval of any golden parachute payments not previously approved. This increase in reporting requirements will
further increase our compliance burden.

As a “smaller reporting company,” however, we are still able to take advantage of certain exemptions available to smaller reporting companies. We

intend to take advantage of some of these exemptions, including:

•

•

being permitted to provide only two years of audited financial statements, in addition to any required unaudited interim financial statements,
with correspondingly reduced “Management’s Discussion and Analysis of Financial Condition and Results of Operations” disclosure; and

reduced disclosure obligations regarding executive compensation.

In  addition,  as  a  non-accelerated  filer,  we  are  not  required  to  comply  with  the  auditor  attestation  requirements  in  the  assessment  of  our  internal

control over financial reporting.

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We cannot predict whether investors will find our common stock less attractive because we will 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 more volatile. We
may take advantage of these reporting exemptions until we are no longer a smaller reporting company or a non-accelerated filer, as applicable.

GENERAL RISK FACTORS

We  may  enter  into  or  seek  to  enter  into  business  partnerships,  combinations  and/or  acquisitions  which  may  be  difficult  to  integrate,  disrupt  our
business, divert management attention or dilute stockholder value.

We may enter into business partnerships, combinations and/or acquisitions. We have limited experience in making acquisitions, which are typically

accompanied by a number of risks, including:

•

•

•

•

•

•

the difficulty of integrating the operations and personnel of the acquired companies;

the potential disruption of our ongoing business and distraction of management;

potential unknown liabilities and expenses;

the failure to achieve the expected benefits of the combination or acquisition;

the maintenance of acceptable standards, controls, procedures and policies; and

the impairment of relationships with employees as a result of any integration of new management and other personnel.

If we are not successful in completing acquisitions that we may pursue in the future, we would be required to reevaluate our business strategy and we
may have incurred substantial expenses and devoted significant management time and resources in seeking to complete the acquisitions. In addition, we
could use substantial portions of our available cash as all or a portion of the purchase price, or we could issue additional securities as consideration for
these acquisitions, which could cause our stockholders to suffer significant dilution.

Our business and operations would suffer in the event of computer system failures or security breaches.

Despite the implementation of security measures, our internal computer systems, and those of our CROs and other third-parties on which we rely, are
vulnerable to damage from computer viruses, unauthorized access, natural disasters, fire, terrorism, war and telecommunication and electrical failures. If
such  an  event  were  to  occur  and  cause  interruptions  in  our  operations,  it  could  result  in  a  material  disruption  of  our  development  and  manufacturing
programs. Our operations depend, in part, on the continued performance of our information technology systems. For example, the loss of clinical trial data
from completed, ongoing or planned clinical trials could result in delays in our regulatory approval efforts and significantly increase our costs to recover or
reproduce  the  data.  Our  information  technology  systems  are  potentially  vulnerable  to  physical  or  electronic  break-ins,  computer  viruses  and  similar
disruptions.  Failure  of  our  information  technology  systems  could  adversely  affect  our  business,  profitability  and  financial  condition.  Although  we  have
information technology security systems, a successful cybersecurity attack or other data security incident could result in the misappropriation and/or loss of
confidential or personal information, create system interruptions, or deploy malicious software that attacks our systems. Our third-party service providers
have experienced such attacks and we and our third-party service providers may experience attacks in the future.

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. As a result of the COVID-19 pandemic, we
may also face increased cybersecurity risks due to our reliance on internet technology and the number of our employees who are working remotely, which
may create additional opportunities for cybercriminals to exploit vulnerabilities. Furthermore, because the techniques used to obtain unauthorized access to,
or to sabotage, 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. It is possible that a cybersecurity attack might not be noticed for some period of time. The occurrence of a
cybersecurity  attack  or  incident  could  result  in  business  interruptions  from  the  disruption  of  our  information  technology  systems,  or  negative  publicity
resulting in reputational damage with our shareholders and other stakeholders and/or increased costs to prevent, respond to or mitigate cybersecurity events.
In  addition,  the  unauthorized  dissemination  of  sensitive  personal  information  or  proprietary  or  confidential  information  could  expose  us  or  other  third-
parties to regulatory fines or penalties, litigation and potential liability, or otherwise harm our business. In addition, such a breach may require notification
to governmental agencies, the media or individuals pursuant to applicable data privacy and security law and regulations. We would be exposed to a risk of
loss,  including  financial  assets  or  litigation  and  potential  liability,  which  could  materially  adversely  affect  our  business,  financial  condition,  results  of
operations and prospects. To the

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extent  that  any  disruption  or  security  breach  results  in  a  loss  of  or  damage  to  our  data  or  applications,  or  inappropriate  disclosure  of  confidential  or
proprietary information, we could incur liability and development of our product candidates could be delayed.

Substantial future sales of shares by existing stockholders, or the perception that such sales may occur, could cause our stock price to decline.

If  our  existing  stockholders,  particularly  our  directors  and  executive  officers,  are  perceived  by  the  public  market  as  intending  to  sell  substantial
amounts of our common stock, the trading price of our common stock could decline significantly. Sales of a substantial number of shares of our common
stock in the public market, or the perception that these sales might occur may reduce the prevailing market price of our common stock and make it more
difficult for you to sell your common stock at a time and price that you deem appropriate. In addition, certain holders of our common stock and warrants to
purchase our common stock are entitled to rights with respect to the registration of their shares under the Securities Act of 1933, as amended (“Securities
Act”).  As  long  as  the  registration  statements  covering  the  resale  of  such  shares  remain  in  effect,  such  shares  shall  be  freely  tradable  without  restriction
under  the  Securities  Act,  except  for  shares  held  by  affiliates,  as  defined  in  Rule  144  under  the  Securities  Act.  Any  sales  of  securities  by  existing
stockholders could have a material adverse effect on the market price of our common stock.

If equity research analysts do not publish research or reports, or publish unfavorable research or reports about us, our business or our market, our
stock price and trading volume could decline.

The  trading  market  for  our  common  stock  depends  in  part  on  the  research  and  reports  that  securities  and  industry  analysts  publish  about  us  or  our
business. If one or more of the analysts who covers us downgrades our stock or publishes unfavorable research about our business, or if our clinical trials or
operating  results  fail  to  meet  the  analysts’  expectations,  our  stock  price  would  likely  decline.  If  one  or  more  of  these  analysts  ceases  coverage  of  our
company or fails to publish reports on us regularly, demand for our stock could decrease, which could cause our stock price and trading volume to decline.

Requirements associated with being a public reporting company will continue to increase our costs significantly, as well as divert significant company
resources and management attention.

As a public company, we are subject to the reporting requirements of the Exchange Act and the other rules and regulations of the SEC. Compliance
with  the  various  reporting  and  other  requirements  applicable  to  public  reporting  companies  require  considerable  time,  attention  of  management,  and
financial resources.

Further, the listing requirements of the Nasdaq Capital Market require that we satisfy certain corporate governance requirements relating to director
independence,  stockholder  meetings,  approvals  and  voting,  soliciting  proxies,  conflicts  of  interest  and  a  code  of  conduct.  Our  management  and  other
personnel will need to devote a substantial amount of time and financial resources to ensure that we comply with all of these requirements. These reporting
and corporate governance requirements, coupled with the increase in potential litigation exposure associated with being a public company, could also make
it more difficult for us to attract and retain qualified persons to serve on our board of directors or board committees or to serve as executive officers, or to
obtain certain types of insurance, including directors’ and officers’ insurance, on acceptable terms.

Any changes we make to comply with these obligations may not be sufficient to allow us to satisfy our obligations as a public company on a timely

basis, or at all.

If we fail to maintain proper and effective internal controls, our ability to produce accurate financial statements on a timely basis could be impaired.

We are subject to the reporting requirements of the Exchange Act, certain provisions of the Sarbanes-Oxley Act and the rules and regulations of the
Nasdaq Capital Market. The Sarbanes-Oxley Act requires, among other things, that we maintain effective disclosure controls and procedures and internal
controls over financial reporting.

If we are not able to comply with the requirements of Section 404 of the Sarbanes-Oxley Act in a timely manner, or if we are unable to maintain proper
and effective internal controls, we may not be able to produce timely and accurate financial statements. If that were to happen, the market price of our stock
could decline, and we could be subject to sanctions or investigations by Nasdaq, the SEC or other regulatory authorities.

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Our disclosure controls and procedures may not be effective to ensure that we make all required disclosures.

As a public reporting company, we are subject to the periodic reporting requirements of the Exchange Act. Our disclosure controls and procedures are
designed  to  reasonably  assure  that  information  required  to  be  disclosed  by  us  in  reports  we  file  or  submit  under  the  Exchange  Act  is  accumulated  and
communicated  to  management,  recorded,  processed,  summarized  and  reported  within  the  time  periods  specified  in  the  rules  and  forms  of  the  SEC.  We
believe  that  any  disclosure  controls  and  procedures  or  internal  controls  and  procedures,  no  matter  how  well  conceived  and  operated,  can  provide  only
reasonable, not absolute, assurance that the objectives of the control system are met.

These inherent limitations include the realities that judgments in decision-making can be faulty, and that breakdowns can occur because of simple error
or mistake. Additionally, controls can be circumvented by the individual acts of some persons, by collusion of two or more people or by an unauthorized
override of the controls. Accordingly, because of the inherent limitations in our control system, misstatements or insufficient disclosures due to error or
fraud may occur and not be detected.

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Item 1B. UNRESOLVED STAFF COMMENTS

None.

Item 2. PROPERTIES

Our principal executive offices are located at 34790 Ardentech Court, Fremont, California 94555. We have an operating lease for our headquarters in
Fremont, California. Under the Seventh Amendment, we extended the term of the lease for our headquarters through August 31, 2024, with an option to
further  extend  the  lease  for  an  additional  60  months,  subject  to  certain  terms  and  conditions.  We  do  not  own  any  real  property.  We  believe  our  present
facilities are sufficient for our current and planned near-term operations.

Item 3. LEGAL PROCEEDINGS

On  October  29,  2020  and  November  6,  2020,  two  stockholders  filed  alleged  class  action  lawsuits  against  us  and  certain  of  our  current  and  former
executive officers in the United States District Court for the Northern District of California: Carr v. Zosano Pharma Corporation, et al., Case No. 3:20-cv-
07625, and Becerra v. Zosano Pharma Corporation, et al., Case No. 3:20-cv-07850. The complaints were filed purportedly on behalf of all persons who
purchased  or  otherwise  acquired  our  securities  between  February  13,  2017  and  September  30,  2020.  The  complaints  allege  that  we  and  certain  of  our
current and former executive officers made false and/or misleading statements and failed to disclose material adverse facts about our business, operations
and prospects in violation of Sections 10(b) (and Rule 10b-5 promulgated thereunder) and 20(a) of the Securities Exchange Act of 1934, as amended (the
"Exchange  Act").  The  plaintiffs  seek  damages,  interest,  costs,  attorneys’  fees  and  other  unspecified  relief.  On  February  4,  2021,  the  Carr  and  Becerra
actions were consolidated and the court appointed two Co-Lead Plaintiffs and two law firms as Co-Lead Counsel in the consolidated action. The Co-Lead
Plaintiffs’ deadline to file a consolidated amended complaint is March 29, 2021. We anticipate filing a motion to dismiss. Pursuant to a stipulated court
order, we expect to file the motion on May 13, 2021; the Co-Lead Plaintiffs are expected to file their opposition on June 14, 2021; and we expect to file a
reply brief on July 6, 2021. The earliest date upon which the Court may hear the motion is July 20, 2021. These dates are subject to change upon court
order or if the Co-Lead Plaintiffs file their consolidated amended complaint prior to the March 29, 2021 deadline.

On February 9, 2021, a stockholder filed a derivative action, purportedly on behalf of the Company (named as a nominal defendant), against certain of
our current and former executive officers and directors in the United States District Court for the District of Delaware: Gensemer v. Lo, et al., Case No.
1:21-cv-00168.  The  complaint  alleges  breaches  of  the  defendants’  fiduciary  duties  as  our  directors  and/or  officers,  unjust  enrichment,  abuse  of  control,
gross mismanagement, waste of corporate assets, violations of Section 14(a) of the Exchange Act, and for contribution under Sections 10(b) and 21D of the
Exchange Act. The plaintiff seeks damages, restitution, interest, attorneys’ fees and costs, and other unspecified relief. We believe the cases are without
merit and we intend to vigorously defend against the claims.

From time to time, we may be involved in other lawsuits and legal proceedings, which arise, in the ordinary course of business. Lawsuits and legal
proceedings  are  subject  to  inherent  uncertainties  and  an  adverse  result  in  any  lawsuit  or  legal  proceeding  may  materially  adversely  affect  our  business,
financial  condition  and  results  of  operations.  In  addition,  even  if  not  meritorious,  these  matters  could  result  in  the  expenditure  of  significant  financial
resources and diversion of management efforts.

Item 4. MINE SAFETY DISCLOSURES

Not applicable.

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PART II

Item  5.  MARKET  FOR  REGISTRANT’S  COMMON  EQUITY,  RELATED  STOCKHOLDER  MATTERS  AND  ISSUER  PURCHASES  OF
EQUITY SECURITIES

Market Information

Our common stock is publicly traded and listed on the Nasdaq Capital Market under the symbol “ZSAN".

Holders of Common Stock

As of March 9, 2021, there were 11 holders of record of our common stock based on information furnished by Computershare Trust Company, NA, the
transfer agent for our securities. The number of beneficial stockholders is substantially greater than the number of holders of record as a large portion of our
common stock is held through brokerage firms.

Dividend Policy

We  have  never  declared  or  paid  any  cash  dividends  on  our  common  stock.  We  currently  expect  to  retain  all  future  earnings,  if  any,  for  use  in  the

operation and expansion of our business, and therefore do not anticipate paying any cash dividends in the foreseeable future.

Securities Authorized for Issuance under Equity Compensation Plans

See Item 12, “Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters” for information with respect to

our compensation plans under which equity securities are authorized for issuance.

Performance Graph

We are a smaller reporting company, as defined by Rule 12b-2 of the Securities Exchange Act of 1934, as amended, and are not required to provide the

information required by this Item.

Recent Sale of Unregistered Securities

Inducement Grant Award

On November 16, 2020, we granted a stock option to purchase 100,000 shares of our common stock to a new employee as an inducement award. The
stock  option  has  an  exercise  price  of  $0.48  per  share,  which  is  equal  to  the  closing  price  of  our  common  stock  on  the  grant  date.  25%  of  the  shares
underlying the option will vest on November 16, 2021, and 1/48th of the total shares will vest monthly thereafter, subject to continued service. The award
was approved in accordance with Nasdaq Listing Rule 5635(c)(4). We intend to file a registration statement on Form S-8 to register the shares of common
stock underlying these options prior to the time at which these options become exercisable.

We did not sell any other unregistered equity securities during the period covered by this Annual Report on Form 10-K that have not already been

reported in a Quarterly Report on Form 10-Q or in a Current Report on Form 8-K.

Issuer Purchases of Equity Securities

We did not purchase any of our equity securities during the period covered by this Annual Report on Form 10-K.

Item 6. SELECTED FINANCIAL DATA

Not applicable.

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Item 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

You should read the following discussion and analysis of our financial condition and results of operations together with our financial statements and
the notes to those statements included elsewhere in this Annual Report on Form 10-K. In addition to historical financial information, this discussion and
analysis contains forward-looking statements that reflect our plans, estimates and beliefs. You should not place undue reliance on these forward-looking
statements, which involve risks and uncertainties. As a result of many factors, including but not limited to those set forth under ‘‘Risk Factors,’’ our actual
results may differ materially from those anticipated in these forward-looking statements. See “Cautionary Note Regarding Forward-Looking Statements.”

Overview

2

2 

Zosano  Pharma  Corporation  is  a  clinical-stage  biopharmaceutical  company  focused  on  providing  rapid  systemic  administration  of  therapeutics  and
other bioactive molecules to patients using our proprietary transdermal microneedle system (the “System”). Our System is designed to facilitate rapid drug
absorption into the bloodstream, which can result in an improved pharmacokinetic profile compared to original dosage forms. The System consists of a
3cm to 6cm   array  of  titanium  microneedles  approximately  200-350  microns  in  length,  coated  with  a  hydrophilic  formulation  of  drug,  mounted  on  an
adhesive patch. The patch is applied with a reusable hand-held applicator that presses the microneedles into the skin to a uniform depth in each application,
close  to  the  capillary  bed,  allowing  for  dissolution  and  absorption  of  the  drug,  but  not  deep  enough  to  contact  the  nerve  endings  in  the  skin.  The
microneedles penetrate the stratum corneum to allow the drug to be absorbed into the microcapillary system of the skin. We are focused on developing
products  for  indications  in  which  we  believe  rapid  onset,  ease  of  use  and  stability  may  offer  significant  therapeutic  and  practical  advantages,  and  on
developing products where rapid administration of approved drugs with established safety and efficacy profiles provides an increased benefit to patients, in
markets where patients remain underserved by existing therapies. We anticipate that many of our current and future development programs may enable us
to utilize a regulatory pathway that would streamline clinical development and accelerate the path towards potential commercialization.

Our  development  efforts  are  currently  focused  on  our  product  candidate,  Qtrypta™  (M207)  ("Qtrypta").  Qtrypta  is  our  proprietary  formulation  of
zolmitriptan delivered utilizing our System. Zolmitriptan is one of a class of serotonin receptor agonists known as triptans and is used as an acute treatment
for  migraine.  Migraine  is  a  debilitating  neurological  disease,  symptoms  of  which  include  moderate  to  severe  headache  pain,  nausea  and  vomiting,  and
abnormal sensitivity to light and sound. Qtrypta was developed with the intent of providing faster onset of efficacy and sustained freedom from migraine
symptoms. Qtrypta is designed for rapid absorption of zolmitriptan into the bloodstream without dependence on the gastrointestinal ("GI") tract.

We submitted a 505(b)(2) New Drug Application (“NDA”) for Qtrypta to the U.S. Food and Drug Administration (the “FDA”) on December 20, 2019,
and  on  October  20,  2020,  we  received  a  Complete  Response  Letter  (“CRL”)  from  the  FDA  with  respect  to  the  NDA.  The  CRL  cited  inconsistent
zolmitriptan exposure levels observed across clinical pharmacology studies, which had been previously identified in the FDA’s discipline review letter that
we received on September 29, 2020. Specifically, the CRL noted differences in zolmitriptan exposures observed between subjects receiving different lots of
Qtrypta  in  our  clinical  trials  and  inadequate  pharmacokinetic  bridging  between  the  lots  that  made  interpretation  of  some  safety  data  unclear.  The  CRL
referenced  unexpected  high  plasma  concentrations  of  zolmitriptan  observed  in  five  study  subjects  enrolled  in  our  pharmacokinetic  studies.  The  FDA
recommended that we conduct a repeat bioequivalence study comparing lots manufactured with the equipment used during development. The CRL noted
that additional product quality validation data, which were planned to be submitted following approval, if received, were required to be submitted with the
application.  In  addition,  the  CRL  mentioned  that  due  to  U.S.  Government  and/or  Agency-wide  restrictions  on  travel,  inspections  of  our  contract
manufacturing facilities were not able to be conducted but would be required before the application may be approved.

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On January 29, 2021, we held a Type A meeting with the FDA Division of Neurology II (the “Division”) regarding the requirements for resubmission
of the Qtrypta NDA. Based on feedback from the Type A meeting held with the Division, we plan to conduct an additional pharmacokinetic (“PK”) study
for inclusion in an NDA resubmission package. During the meeting, the Division did not request that we conduct any further clinical efficacy studies to
support  the  resubmission.  On  February  19,  2021,  we  received  the  official  Type  A  meeting  minutes  from  the  FDA.  The  Type  A  meeting  minutes  were
generally consistent with our expectations to conduct an additional PK study for inclusion in an NDA resubmission package. In a post-meeting comment,
the FDA recommended a skin assessment on patients in the planned PK study to generate additional safety information. This assessment is included in the
proposed study protocol, which has been submitted to the FDA. The Division indicated willingness to review the study protocol and provide comments
prior to the initiation of the study. Our plans for resubmitting the NDA are based on our discussions with the FDA and may be subject to change upon
receipt of the FDA’s comments to the proposed study protocol. We will incur additional costs and delays in our previously anticipated timeline for potential
commercialization due to the additional PK study, and our plan to resubmit the NDA may be further delayed and we may incur higher than anticipated
additional costs depending on the feedback we receive from the FDA on the study protocol and the time it takes to complete the PK study, or any additional
studies  or  other  requirements  of  the  FDA.  In  addition,  there  is  no  guarantee  that  we  will  be  able  to  adequately  address  the  issues  raised  to  the  FDA’s
satisfaction.

We do not anticipate realizing product revenues unless and until the FDA approves our Qtrypta NDA and we begin commercializing Qtrypta, which

may never occur.

If  approved,  we  plan  to  use  contract  manufacturing  organizations  ("CMOs")  for  the  commercial  production  of  Qtrypta.  These  CMOs  include
companies  that  will  produce  the  various  components  that  comprise  our  patch,  our  applicator,  as  well  as  the  final  packaging  of  the  finished  product.  If
approved,  our  CMOs  will  be  required  to  produce  commercial  supply  of  Qtrypta  in  accordance  with  the  FDA’s  current  good  manufacturing  practices
("cGMP") regulations. These companies are located in the United States and have expertise and experience in contract manufacturing.

We  have  no  product  sales  to  date,  and  we  will  not  have  product  sales  unless  and  until  we  receive  approval  from  the  FDA,  or  equivalent  foreign
regulatory  bodies,  to  market  and  sell  our  product  candidates.  Accordingly,  our  success  depends  not  only  on  the  development,  but  also  on  our  ability  to
finance the development of each of our product candidates. We will require substantial additional funding to complete development and seek regulatory
approval for these products.

On August 6, 2020, we entered into a master services agreement (the “Eversana Agreement”) with Eversana Life Science Services, LLC (“Eversana”)
for the commercialization of Qtrypta in the United States, if approved by the FDA. Under the terms of the Eversana Agreement, Eversana and we will
cooperate  to  conduct  activities  over  the  term  of  the  Eversana  Agreement  pursuant  to  a  commercialization  budget  estimated  at  approximately  $250.0
million. We maintain ownership of the Qtrypta NDA as well as all legal, regulatory and manufacturing responsibilities for Qtrypta. Eversana receives an
exclusive right to conduct agreed commercialization activities and will utilize its internal sales organization along with its other commercial capabilities for
market access, marketing, distribution and patient support services for Qtrypta. Eversana will receive reimbursement of certain commercialization costs and
a low double digit to mid-teen percentage of product profits if and when our net sales for Qtrypta surpass certain costs incurred by the parties pursuant to
the commercialization budget.

The term of the Eversana Agreement is five years following the date, if any, that the FDA approves the NDA. Upon expiration or termination of the
Eversana  Agreement,  we  will  retain  all  profits  from  product  sales  consummated  after  expiration  or  termination  and  assume  all  future  corresponding
commercialization  responsibilities.  We  may  terminate  the  Eversana  Agreement  if  Eversana  fails  to  provide  pre-commercial  or  commercial  plans  and
budgets by specified dates, if we decide to discontinue development or commercialization efforts for Qtrypta in the United States (subject to a termination
payment if such termination occurs within a specified time period), or upon a change of control. Either party may terminate the Eversana Agreement if
FDA approval is not received by July 31, 2021, if net profits are not realized within a specified time period following commercial launch, for material
breach of the Eversana Agreement by the other party that is not cured within a defined time period, for insolvency of the other party, if Qtrypta is subject to
a safety recall in the United States or if Qtrypta is not commercially launched within a specified time period after FDA approval of the NDA (other than by
reason of the terminating party’s failure to perform its obligations under the Eversana Agreement). Due to the CRL and additional PK study, we do not
expect that FDA approval of the NDA will be received by July 31, 2021.

We  currently  have  no  internal  sales,  marketing  or  distribution  capabilities  and  we  plan  to  rely  on  Eversana  and  other  third  parties  for  the

commercialization of Qtrypta, if approved.

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Critical Accounting Policies and Significant Judgments and Estimates

Our management’s discussion and analysis of our financial condition and results of operations is based on our audited financial statements, which have
been  prepared  in  accordance  with  United  States  generally  accepted  accounting  principles  ("U.S.  GAAP").  The  preparation  of  these  financial  statements
requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities
at the date of the financial statements, as well as the reported results of operations during the reporting periods. Our estimates are based on our historical
experience and on 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. Actual results could differ from these estimates under
different assumptions or conditions. While our significant accounting policies are described in more detail in the notes to our financial statements included
elsewhere in this Annual Report on Form 10-K, we believe that the accounting policies discussed below are those that are most critical to understanding
our historical and future performance, as these policies relate to the more significant areas involving management’s judgments and estimates.

Leases

At the inception of an arrangement, we determine whether the arrangement is or contains a lease based on the unique facts and circumstances present.
Operating lease liabilities and their corresponding right-of-use assets are recorded based on the present value of lease payments over the expected lease
term. If the interest rate implicit in our lease contracts is not readily determinable, we utilize our incremental borrowing rate, which is the rate incurred to
borrow on a collateralized basis over a similar term, an amount equal to the lease payments in a similar economic environment. Certain adjustments to the
right-of-use asset may be required for items such as initial direct costs paid or incentives received.

Stock-Based Compensation

We  have  equity  incentive  plans  under  which  various  types  of  equity-based  awards  including,  but  not  limited  to,  non-qualified  stock  options  and
restricted  stock  awards,  may  be  granted  to  employees,  non-employee  directors,  and  non-employee  consultants.  Our  equity  incentive  plans  also  allow
incentive stock options to be awarded to employees. We have also awarded inducement grants to purchase common stock to new employees outside the
existing equity incentive plans in accordance with Nasdaq listing rule 5635(c)(4).

We account for stock-based compensation, based on the fair value of the stock-based awards on the date that the grants are ultimately expected to vest.
The fair value of employee stock option grants is estimated on the date of grant using the Black-Scholes option pricing model and is recognized as expense
on a straight-line basis over the grantee’s requisite service period. Prior to 2020, we did not have sufficient historical stock price information to meet the
expected life of the stock option grants, and therefore, we used a blended volatility rate that included our common stock trading history supplemented with
the  trading  history  from  the  common  stock  of  a  set  of  comparable  publicly-traded  biopharmaceutical  companies.  During  2020,  we  determined  that  a
sufficient amount of historical information was available regarding the volatility of our stock price and that it was no longer necessary to utilize a blended
volatility rate. Due to the lack of historical exercise data to provide a reasonable basis upon which to estimate an expected term, we have opted to use the
simplified method, which is the use of the midpoint of the vesting term and the contractual term of the award to estimate the expected term. We recognize
the impact of stock option forfeitures on stock-based compensation expense in the period the award is forfeited.

Financial Operations Overview

General

As of December 31, 2020, we had an accumulated deficit of approximately $332.2 million. We have incurred significant losses and expect to incur
significant and increasing losses in the foreseeable future as we advance our Qtrypta product candidate into later stages of development and, if approved,
commercialization. We cannot assure you that we will receive additional capital or collaboration revenue in the future, as a result of any partnership that we
might pursue.

We expect our pre-commercialization expenses related to our Qtrypta product candidate to increase as we continue to advance this program towards
regulatory  approval  and,  if  approved,  commercialization.  Because  of  the  numerous  risks  and  uncertainties  associated  with  our  technology  and  drug
development,  we  cannot  forecast  with  any  degree  of  certainty  the  timing  or  amount  of  expenses  incurred  or  when,  or  if,  we  will  be  able  to  achieve
profitability.

We  will  require  additional  capital  to  undertake  our  planned  pre-commercialization  activities,  research  and  development  activities  and  to  meet  our
operating requirements in and beyond 2021. We intend to raise such capital through the issuance of additional equity through public or private offerings,
debt financing, strategic alliances with pharmaceutical partners, or any

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combination of the above. However, if such financing is not available at adequate levels or on acceptable terms, we could be required to further reduce our
operating expenses and suspend, delay or reduce the scope of our Qtrypta development program, out-license intellectual property rights to our transdermal
delivery technology, or a combination of the above, which may have a material adverse effect on our business, results of operations, financial condition
and/or our ability to fund our scheduled obligations on a timely basis or at all.

We  are  actively  seeking  opportunities  to  evaluate  collaborations  with  strategic  partners  to  further  the  clinical  and  commercial  development  of  our
technology.  We  cannot  forecast  with  any  degree  of  certainty  if  we  will  enter  into  collaborations  for  Qtrypta  or  any  other  potential  future  use  of  our
technology  or  how  such  arrangements  would  affect  our  development  plans  or  capital  requirements.  As  a  result  of  these  uncertainties,  we  are  unable  to
determine the duration and completion of costs of our research and development projects or if, when and to what extent we will generate revenue from their
commercialization  and  sale.  Additionally,  a  future  collaborative  partner  may  only  be  interested  in  applying  our  technology  in  the  development  and
advancement of their own product candidates.

The process of conducting the necessary clinical trials to obtain regulatory approval is costly and time consuming. We consider the active management
and development of our clinical pipeline to be crucial to our long-term success. The actual probability of success for each product candidate and clinical
program may be affected by a variety of factors, including, but not limited to: the quality of the product candidate, early clinical data, investment in the
program, competition, manufacturing capability and commercial viability. In situations in which third parties have control over the clinical development of
a product candidate, the estimated completion dates are largely under the control of such third parties and not under our control.

Service revenue

Service revenue is related to feasibility studies in which we provide research and development services to customers to determine the feasibility of
using  our  System  in  connection  with  the  customers’  pharmaceutical  agents.  In  2020,  we  recognized  revenue  on  agreements  with  two  pharmaceutical
companies  for  such  studies.  We  expect  these  studies  to  continue  in  2021  and  for  service  revenue  to  fluctuate  based  on  the  volume  and  activity  of  the
feasibility studies.

Cost of service revenue

Cost  of  service  revenue  consists  of  personnel  and  material  costs  associated  with  feasibility  studies.  In  2020,  we  incurred  costs  related  to  two  such
studies.  We  expect  these  studies  to  continue  in  2021  and  expect  cost  of  service  revenue  to  fluctuate  in  2021  based  on  the  volume  and  activity  of  the
feasibility studies.

Research and development expenses

Research and development expenses consist primarily of:

•

•

•

•

Salaries and related expenses for personnel in research and development functions, including stock-based compensation;

Expenses related to the production of our System, including the purchase of active pharmaceutical ingredients and raw materials as well as fees
paid to contract manufacturing organizations;

Expenses  related  to  the  performance  of  drug  formulation  and  clinical  trials  and  studies,  including  fees  paid  to  CROs,  clinical  consultants,
clinical  trial  sites  and  vendors,  including  IRBs,  in  conjunction  with  implementing  and  monitoring  our  clinical  trials  and  acquiring  and
evaluating clinical trial data, including all related fees, such as for investigator grants, patient screening fees, laboratory work and statistical
compilation and analysis; and

Allocation of certain shared costs, such as depreciation and facilities-related costs.

For  the  year  ended  December  31,  2020,  our  research  and  development  efforts  and  resources  focused  primarily  on  advancing  the  development  of

Qtrypta.

General and administrative expenses

General and administrative expenses consist principally of personnel-related costs, professional fees for legal, consulting, audit and tax services and
other general operating expenses not otherwise included in research and development. We expect that our general and administrative expenses will increase
as we move toward commercialization of our product candidate, Qtrypta, if approved.

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Other income and expense

Interest income. Interest income consists primarily of interest and amortization of purchase premiums and accretion of purchase discounts related to

our investments in marketable securities.

Interest expense. Interest expense consists primarily of interest costs and associated amortization of debt discounts and issuance costs, if any, related to

debt financing and an equity line of credit.

Other income (expense). Other income (expense), net consists of miscellaneous income and expenses that are not included in other categories of the

statement of operations.

Results of Operations

Comparison of the year ended December 31, 2020 and 2019

Service revenue
Operating expenses:

Cost of service revenue
Research and development
General and administrative

Other income (expense):

Interest income
Interest expense
Other income (expense), net

* Not meaningful.

Service revenue

Year Ended December 31,

Change

2020

2019
(In thousands)

Amount

%

224  $

—  $

224 

171  $
21,622  $
11,189  $

—  $
25,385  $
11,812  $

18  $
(719) $
90  $

207  $
(523) $
(76) $

171 
(3,763)
(623)

(189)
(196)
166 

N/A

N/A
(15)%
(5)%

(91)%
37 %
*

$

$
$
$

$
$
$

In 2020, service revenue related to agreements with two pharmaceutical companies for feasibility studies. We expect these studies to continue in 2021

and for service revenue to fluctuate based on the volume and activity of the feasibility studies.

Cost of service revenue

In 2020, cost of service revenue related to two feasibility studies. We expect these studies to continue in 2021 and expect cost of service revenue to

fluctuate in 2021 based on the volume and activity of the feasibility studies.

Research and development expenses

Research and development expenses decreased approximately $3.8 million, or 15%, for the year ended December 31, 2020, as compared to the year
ended December 31, 2019. The decrease was primarily due to lower clinical expenses of $3.5 million resulting from the completion of the Qtrypta LTSS
and  PK  study,  lower  employee  costs  of  $0.9  million  and  $1.1  million  in  lower  travel  and  general  business  expenses.  These  decreases  were  offset  by
increases of $0.9 million in production and manufacturing costs due to the scale up and technology transfer to our commercial manufacturing organizations
and $0.8 million of additional depreciation related to assets placed into service at our contract manufacturing organizations.

General and administrative expenses

General and administrative expenses decreased approximately $0.6 million, or 5%, for the year ended December 31, 2020, as compared to the year
ended December 31, 2019. The decrease was primarily due to a decrease of $0.9 million in compensation costs due to lower headcount and a $0.5 million
decrease in professional service costs related to reduced strategic and pre-commercial activities. These decreases were partially offset by approximately
$0.8 million increase in legal and professional services costs related to corporate and intellectual property matters.

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Other income and expense

Interest income. For the years ended December 31, 2020 and 2019, interest income resulted primarily from interest recognized related to investments
in  marketable  securities.  The  decrease  for  the  year  ended  December  31,  2020  as  compared  to  the  same  period  in  2019  resulted  from  lower  investment
balances due to maturities of investments during the year and lower interest rates.

Interest expense. For the years ended December 31, 2020 and 2019, interest expense consisted primarily of interest and amortization of debt discount.
The  increase  in  interest  expense  resulted  from  a  higher  outstanding  balance  on  our  build-to-suit  obligation  with  Trinity  Funding  1,  LLC  (successor  to
Trinity Capital Fund III, L.P.) ("Trinity"). In 2019 and 2020, we capitalized a portion of interest paid to Trinity as construction-in-progress.

Other income (expense). Other income (expense), net consists of miscellaneous income and expenses that are not included in other categories of the

statement of operations.

Income Taxes

As of December 31, 2020, we had deferred tax assets of $31.4 million and deferred tax liabilities of $1.1 million. The deferred tax assets primarily
consisted of federal and state tax net operating losses and research and development tax credit carryforwards. Due to uncertainties surrounding our ability
to generate future taxable income to realize these tax assets, a full valuation allowance has been established to offset our net deferred tax assets. As of
December  31,  2020,  we  had  federal  net  operating  loss  carryforwards  of  approximately  $106.5  million  and  state  net  operating  loss  carryforwards  of
approximately  $25.8  million.  As  of  December  31,  2019,  we  had  federal  net  operating  loss  carryforwards  of  approximately  $76.0  million  and  state  net
operating  loss  carryforwards  of  approximately  $68.2  million.  If  not  utilized,  certain  federal  net  operating  loss  carryforwards  incurred  before  January  1,
2018, will expire beginning in 2026, and state net operating loss carryforwards will expire beginning in 2028. The federal net operating losses incurred in
2018 and beyond do not expire.

As of December 31, 2020, we had federal and state research and development credit carryforwards of approximately $0.5 million and $6.0 million,
respectively. As of December 31, 2019, we had federal and state research and development credit carryforwards of approximately $1.6 million and $5.6
million, respectively. If not utilized, the federal tax credits will begin to expire in 2040 and state tax credits currently do not expire.

Utilization of net operating loss carryforwards and research and development credit carryforwards may also be subject to an annual limitation due to
the  ownership  change  limitations.  These  annual  limitations  may  result  in  the  expiration  of  the  net  operating  loss  carryforwards  and  research  and
development credit carryforwards before utilization. We have performed an analysis under Internal Revenue Code Sections 382 and 383 to determine the
amount of our net operating loss carryforwards and research and development credit carryforwards that will be subject to annual limitation. As a result of
the analysis, a portion of the net operating loss carryforwards and research and development credit carryforwards have been derecognized due to the annual
limitation.

On March 27, 2020 and December 27, 2020, the United States enacted the Coronavirus Aid, Relief, and Economic Security Act (the "CARES Act")
and  the  Consolidated  Appropriation  Act  ("CAA"),  respectively,  as  a  result  of  the  COVID-19  pandemic,  which  contain  among  other  things,  numerous
income  tax  provisions.  Some  of  these  tax  provisions  are  expected  to  be  effective  retroactively  for  years  ending  before  the  date  of  enactment.  We  have
evaluated the current legislation and at this time, do not anticipate that the tax provisions in the CARES Act or CCA will have a material impact on our
financial statements.

Liquidity and Capital Resources

Our liquidity and capital resources are summarized as follows:

Cash and cash equivalents
Working capital*
Accumulated deficit

Year Ended December 31,
2019
2020

(In thousands)

$
$
$

35,263  $
21,205  $
(332,190) $

6,316 
(9,424)
(298,821)

* We define working capital as current assets less current liabilities. See our consolidated financial statements and the related notes included elsewhere in this Annual Report on Form 10-K for
further details regarding our current assets and current liabilities.

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Our  cash  and  cash  equivalents  totaled  $35.3  million  as  of  December  31,  2020  compared  to  $6.3  million  as  of  December  31,  2019,  representing  an
increase of $29.0 million, which was primarily due to the proceeds from the issuance of common stock and warrants, net of commissions and discounts, of
$38.7  million  in  connection  with  our  offerings  in  2020,  and  $14.9  million  from  the  exercise  of  the  related  warrants,  the  proceeds  from  the  issuance  of
common stock in connection with at-the-market offerings, net of commissions of $16.2 million, and $1.6 million from a PPP loan. These increases were
primarily offset by cash used in other operating activities of $31.7 million, purchases of property and equipment of $8.5 million and payments to Trinity on
our build-to-suit obligation of $2.2 million.

Presently, we do not have sufficient cash and cash equivalents to enable us to fund our anticipated level of operations and meet our obligations as they
become due during the twelve months following the date of issuance of this Annual Report on Form 10-K, and we will need to obtain additional capital
resources  through  an  equity  offering,  a  debt  financing,  a  license  or  collaboration  agreement,  or  through  a  combination  of  such  sources  of  capital.  The
aforementioned factors raise substantial doubt about our ability to continue as a going concern.

We  filed  a  shelf  registration  statement  on  Form  S-3  with  the  SEC,  which  was  declared  effective  by  the  SEC  on  April  16,  2020  ("2020  Shelf
Registration  Statement").  This  shelf  registration  statement  provides  us  with  the  ability  to  issue  common  stock  and  other  securities  as  described  in  the
registration  statement  from  time  to  time  up  to  an  aggregate  amount  of  $74.5  million.  As  of  December  31,  2020,  we  have  approximately  $33.7  million
remaining on this shelf registration statement.

Our ability to complete the sale of equity securities and access the market as a source of liquidity is dependent on investor demand, market conditions
and other factors. Therefore, we can provide no assurance that any such offering will be on terms favorable to us or our stockholders, or that such offering
will be successful at all. Our inability to obtain required funding in the near future or our inability to obtain funding on favorable terms will have a material
adverse effect on our operations and strategic development plan for future growth. If we cannot successfully raise additional capital and implement our
strategic development plan, our liquidity, financial condition and business prospects will be materially and adversely affected, and we may have to cease
operations.

We  expect  to  incur  additional  losses  in  the  future  and  will  require  additional  financing  to  develop  our  Qtrypta  product  candidate,  conduct  pre-
commercialization  manufacturing  activities  and  fund  our  operations.  If  we  are  unable  to  raise  additional  funds  when  needed,  we  may  be  required  to
suspend,  delay,  reduce  or  terminate  our  development  programs  and  clinical  trials.  We  may  also  be  required  to  sell  or  license  our  technologies,  clinical
product candidates, or programs, if any, that we would prefer to develop and commercialize ourselves.

We anticipate that we will need to raise substantial additional capital, the requirements of which will depend on many factors, including:

•

•

•

•

•

•

•

•

•

•

•

the economic and global financial market uncertainty resulting from the COVID-19 pandemic;

the scope, progress, expansion and costs of manufacturing our product candidates;

the timing of and costs involved in obtaining regulatory approvals;

the scope, progress, expansion, costs and results of our clinical trials;

the  type,  number,  costs  and  results  of  the  product  candidate  development  programs  which  we  are  pursuing  or  may  choose  to  pursue  in  the
future;

our ability to establish and maintain development partnering arrangements;

the timing, receipt and amount of contingent, royalty and other payments from any of our future development partners;

the emergence of competing technologies and other adverse market developments;

the costs of maintaining, expanding and protecting our intellectual property portfolio, including potential litigation costs and liabilities;

the resources we devote to marketing and, if approved, commercializing our product candidates; and

the costs associated with being a public company.

The COVID-19 pandemic has caused volatility in the global financial markets and threatened a slowdown in the global economy, which may adversely
affect our ability to raise additional capital on attractive terms or at all. A recession, depression or other sustained adverse market event resulting from the
spread of COVID-19 may also limit our ability to obtain financing for our operations.

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Cash Flows

Net cash provided by (used in):

Operating activities
Investing activities
Financing activities

Increase (decrease) in cash, cash equivalents, and restricted cash

Year Ended December 31,

2020

2019

(In thousands)

$

$

(31,718) $
(8,487)
69,152 
28,947  $

(34,817)
2,164 
29,829 
(2,824)

Operating Cash Flow: Net cash used in both 2020 and 2019 was primarily related to personnel, manufacturing, facility and technology transfer and
development  costs  in  conjunction  with  services  performed  by  our  contract  manufacturers,  clinical  development  and  trial  costs,  other  pre-commercial
activities and other administrative expenses incurred in the course of our continuing operations. The changes in net cash used in operating activities are
primarily related to our net loss, working capital fluctuations and changes in our non-cash expenses, all of which are highly variable.

Net cash used in operating activities for 2020 of $31.7 million was primarily due to our net loss of $33.4 million adjusted for non-cash stock-based
compensation  of  $1.6  million,  depreciation  and  amortization  of  $1.4  million  and  a  decrease  in  our  accounts  payable  of  $1.5  million.  Net  cash  used  in
operating activities for 2019 of $34.8 million was primarily due to our net loss of $37.6 million, adjusted for non-cash stock-based compensation of $1.6
million, depreciation and amortization of $0.7 million and an increase in our accounts payable and accrued liabilities of $0.5 million.

Investing Cash Flow: Net cash used in investing activities of $8.5 million for 2020 was the result of property and equipment purchases to support our
pre-commercialization activities. Net cash provided by investing activities of $2.2 million for 2019 was primarily the result of $13.9 million of net proceeds
from  maturities  of  marketable  securities,  partially  offset  by  $11.8  million  of  property  and  equipment  purchases  to  support  our  pre-commercialization
activities.

Financing Cash Flow:  Net  cash  provided  by  financing  activities  of  $69.2  million  for  2020  was  primarily  due  to  the  proceeds  from  the  issuance  of
common  stock  and  warrants,  net  of  commissions  and  discounts,  of  $38.7  million  in  connection  with  our  offerings  in  2020,  and  $14.9  million  from  the
exercise  of  the  related  warrants,  the  proceeds  from  issuance  of  common  stock  in  connection  with  at-the-market  offerings,  net  of  commissions  of  $16.2
million, and $1.6 million from a PPP loan. These proceeds were offset by repayments on the Trinity build-to-suit obligation of $2.2 million. See below for
a  further  discussion  of  our  equity  and  debt  activity  in  2020.  Net  cash  provided  by  financing  activities  of  $29.8  million  in  2019  was  primarily  due  to
proceeds  from  various  common  stock  offerings  throughout  the  year  amounting  to  $26.8  million,  proceeds  from  additional  Trinity  drawdowns  of  $6.1
million, offset by repayments on the Trinity build-to-suit obligation of $3.1 million.

2020 Offerings

On August 31, 2020, we entered into an underwriting agreement with BTIG, LLC (“BTIG”), pursuant to which we issued and sold 15,937,130 shares
of our common stock to BTIG at a price of $1.304 per share. The offering closed on September 3, 2020. We received net proceeds of approximately $20.3
million after deducting expenses payable by us in connection with the offering. The shares were sold pursuant to the 2020 Shelf Registration Statement and
the prospectus supplement dated August 31, 2020.

On March 4, 2020, we entered into a securities purchase agreement with certain institutional investors for the issuance and sale in a registered direct
offering of (i) 11,903,506 shares of our common stock and (ii) Series E Warrants to purchase up to a total of 11,903,506 shares of common stock at an
offering  price  of  $0.9275  per  share  and  accompanying  warrant.  The  Series  E  Warrants  have  an  exercise  price  of  $0.8025  per  share,  were  immediately
exercisable and expire five years from the date of issuance. The aggregate net proceeds from the offering were approximately $10.2 million, after deducting
the  placement  agent  fees  and  other  offering  expenses.  During  the  year  ended  December  31,  2020,  Series  E  Warrants  to  purchase  7,194,004  shares  of
common  stock  were  exercised  at  an  exercise  price  of  $0.8025  per  share  for  aggregate  proceeds  of  approximately  $5.8  million.  During  the  period  from
January 1, 2021 to March 11, 2021, Series E Warrants to purchase 4,078,667 shares of common stock were exercised at an exercise price of $0.8025 per
share for aggregate proceeds of approximately $3.3 million. The shares were sold pursuant to an effective shelf registration statement and a prospectus
supplement dated March 4, 2020.

On February 14, 2020, we closed an underwritten offering for the issuance and sale of (i) 10,146,154 Class A Units, each consisting of one share of

common stock and one Series C Warrant to purchase one share of common stock, at a public offering

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price of $0.65 per Class A Unit, and (ii) 2,161,539 Class B Units, each consisting of one Series D Pre-Funded Warrant to purchase one share of common
stock and one Series C Warrant to purchase one share of common stock, at a public offering price of $0.6499 per Class B Unit. The Series C Warrants have
an exercise price of $0.65 per share, were immediately exercisable and will expire five years from the date of issuance. The Series D Pre-Funded Warrants
had an exercise price of $0.0001 per share and were fully exercised in connection with the closing of the offering. We granted the underwriter a 30-day
option  to  purchase  up  to  an  additional  1,846,153  shares  of  common  stock  and/or  additional  Series  C  Warrants  to  purchase  up  to  1,846,153  shares  of
common stock. The underwriter fully exercised its option to purchase the shares and the Series C Warrants. The aggregate net proceeds from the offering
were $8.3 million after deducting underwriting commissions and other offering expenses. During the year ended December 31, 2020, Series C Warrants to
purchase 13,986,146 shares of common stock were exercised at an exercise price of $0.65 per share for aggregate proceeds of approximately $9.1 million.
During the period from January 1, 2021 to March 11, 2021, Series C Warrants to purchase 145,000 shares of common stock were exercised at an exercise
price of $0.65 per share for aggregate proceeds of approximately $0.1 million. The shares were sold pursuant to an effective shelf registration statement and
a prospectus supplement dated February 12, 2020.

At-the-Market Offerings

On June 8, 2020, we entered into a sales agreement with BTIG, as sales agent, to establish an at-the-market offering program (“2020 ATM”), under
which we are permitted to offer and sell, from time to time, shares of common stock having a maximum aggregate offering price of up to $20.0 million. We
are  required  to  pay  BTIG  a  commission  of  3%  of  the  gross  proceeds  from  the  sale  of  shares  and  has  also  agreed  to  provide  BTIG  with  customary
indemnification rights. No shares were sold under the 2020 ATM during the quarter ended December 31, 2020. During the year ended December 31, 2020,
we issued and sold 13,237,026 shares of our common stock at an average price of $1.07 per share under the 2020 ATM with aggregate net proceeds of
approximately $13.5 million after deducting commission and offering expenses. The shares were sold pursuant to the 2020 Shelf Registration Statement
and a prospectus supplement dated June 8, 2020.

On August 19, 2019, we entered into a sales agreement with BTIG, as sales agent, to establish an at-the-market offering program ("2019 ATM"), under
which we were permitted to offer and sell, from time to time, shares of common stock having a maximum aggregate offering price of up to $15.0 million.
We  were  required  to  pay  BTIG  a  commission  of  3%  of  the  gross  proceeds  from  the  sale  of  shares  and  also  agreed  to  provide  BTIG  with  customary
indemnification rights. During the year ended December 31, 2020, we issued and sold 2,151,346 shares of our common stock at an average price of $1.30
per share under the 2019 ATM. The aggregate net proceeds were approximately $2.7 million after BTIG's commission and other offering expenses. On
March 4, 2020, we delivered notice of termination of the sales agreement to BTIG. We did not incur any termination penalties as a result of our termination
of the sales agreement.

Trinity Build-to-Suit Obligation

On May 27, 2020, we entered into the First Amendment to Lease Documents (the “Trinity Amendment”) with Trinity, which, among other things,
extended  the  term  of  each  lease  schedule  from  a  36-month  term  to  a  42-month  term  by  providing  for  an  interest-only  period  from  May  2020  through
October 2020. Principal payments recommenced November 1, 2020. Additionally, the Trinity Amendment removed all end-of-term options other than the
option to purchase the equipment at 12% of equipment cost at the end of each 42-month-term.

PPP Loan

On April 21, 2020, we executed a promissory note (the “PPP Note”) evidencing an unsecured loan in the amount of $1.6 million under the Paycheck
Protection Program (the “PPP Loan”). The Paycheck Protection Program (“PPP”) was established under the CARES Act and is administered by the U.S.
Small Business Administration (“SBA”). Under the terms of the CARES Act, PPP loan recipients can apply for and be granted forgiveness for all or a
portion of loans granted under the PPP. Such forgiveness will be determined, subject to limitations, based on the use of loan proceeds for eligible purposes,
including payroll, benefits, rent and utilities, and the maintenance of our payroll levels. We applied for forgiveness of the $1.6 million loan amount and
accrued interest on October 4, 2020, however, no assurance is provided that we will obtain forgiveness of the PPP Loan in whole or in part.

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Contractual Obligations

The following table summarizes our contractual obligations as of December 31, 2020:

Operating Lease
Obligations (1)
$

Build-to-suit
Obligation (2)

Paycheck
Protection
Program Loan
Obligation (3)

Equipment
Purchase
Commitments (4)

Contract
Manufacturing
Commitments (5)

5,397  $
4,104 
1,024 
— 
10,525  $

814  $
813 
— 
— 
1,627  $

3,989  $
— 
— 
— 
3,989  $

2,028  $
1,978 
— 
— 
4,006  $

Total

14,204 
8,938 
3,041 
1,371 
27,554 

1,976  $
2,043 
2,017 
1,371 
7,407  $

$

2021
2022
2023
2024

Total

(1)

 Operating leases

Our  operating  lease  obligations  primarily  consist  of  a  lease  with  BMR-34790  Ardentech  Court  LP,  an  affiliate  of  BMR  Holdings,  for  our  office,
research  and  development,  and  manufacturing  facilities  in  Fremont,  California.  In  addition  to  the  minimum  rental  commitments,  our  leases  may
require us to pay additional amounts for taxes, insurance, maintenance and other operating expenses. See Note 6. Leases, of the Notes to Financial
Statements included in Item 8 of this Annual Report on Form 10-K for additional information.

(2) 

Build-to-suit obligation

The build-to-suit obligation consists of principal and interest payments and purchase option fees related to our build-to-suit obligation with Trinity.
See Note 7. Debt Financing, of the Notes to Financial Statements included in Item 8 of this Annual Report on Form 10-K for additional information.

(3)

 Paycheck Protection Program loan obligation

The Paycheck Protection Program loan obligation consists of principal and interest payments under the PPP Note. We applied for forgiveness of the
loan amount and accrued interest on October 4, 2020, however, we can provide no assurance that we will be granted forgiveness of the PPP Loan in
whole  or  in  part.  See  Note  7.  Debt Financing  of  the  Notes  to  Financial  Statements  included  in  Item  8  of  this  Annual  Report  on  Form  10-K  for
additional information.

(4) 

Equipment purchase commitments

Equipment  purchase  commitments  relate  to  a  purchase  commitment  with  a  manufacturer  to  build  a  commercial  coating  and  primary  packaging
system for the production of our product candidate, Qtrypta. The terms of the purchase commitment is generally contingent upon performance of
certain milestones. See Note 10. Commitments and Contingencies, of the Notes to Financial Statements included in Item 8 of this Annual Report on
Form 10-K for additional information.

(5) 

Contract manufacturing commitments

Our  contract  manufacturing  commitments  consist  of  non-cancelable  commitments  with  our  contract  manufacturing  organizations  for  the
construction of dedicated manufacturing space and technology transfer fees. See Note 10. Commitments and Contingencies, of the Notes to Financial
Statements included in Item 8 of this Annual Report on Form 10-K for additional information.

Off-Balance Sheet Arrangements

We have not entered into any off-balance sheet arrangements and do not have any holdings in variable interest entities.

Recently Issued Accounting Pronouncements

See Note 2. Summary of Significant Accounting Policies, of the Notes to Financial Statements included in Item 8 of this Annual Report on Form 10-K

for a summary of Recent Accounting Pronouncements.

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Item 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

We are exposed to market risks in the ordinary course of our business. Some of the securities that we invest in have market risk where a change in
prevailing  interest  rates  may  cause  the  principal  amount  of  the  marketable  securities  to  fluctuate.  Financial  instruments  which  potentially  subject  us  to
concentrations  of  credit  risk  consist  principally  of  cash  and  cash  equivalents,  as  well  as  investments  in  marketable  securities.  We  had  cash  and  cash
equivalents of $35.3 million as of December 31, 2020, which consisted of bank deposits. The primary objectives of our investment activities are to ensure
liquidity  and  to  preserve  principal  while  at  the  same  time  maximizing  the  income  we  receive  from  our  marketable  securities  without  significantly
increasing  risk.  Additionally,  we  established  guidelines  regarding  approved  investments  and  maturities  of  investments,  which  are  designed  to  maintain
safety and liquidity.

Our  cash  and  cash  equivalents  are  held  for  working  capital  purposes.  Cash  balances  are  insured  by  the  Federal  Deposit  Insurance  Corporation
(“FDIC”)  up  to  regulatory  limits,  and  we  are  exposed  to  credit  risk  when  our  cash  balances  exceed  FDIC  insurance  limits.  Our  total  cash  and  cash
equivalent balances exceed the maximum amounts insured by the FDIC.

Our primary exposure to market risk is interest rate sensitivity, which is affected by changes in the general level of United States interest rates. We hold
interest-earning  instruments,  which  carry  a  degree  of  interest  rate  risk.  To  date,  fluctuations  in  interest  income  and  expense  have  not  been  significant.
However, fluctuations in market interest rates in the future could have a material impact on our financial condition and results of operations.

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Item 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

Reports of Independent Registered Public Accounting Firms
Audited Financial Statements:

Balance Sheets
Statements of Operations and Comprehensive Loss
Statements of Changes in Stockholders’ Equity
Statements of Cash Flows
Notes to Financial Statements

Zosano Pharma Corporation
Financial Statements
December 31, 2020 and 2019
Contents

77

78

79
80
81
82
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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the stockholders and the Board of Directors of Zosano Pharma Corporation

Opinion on the Financial Statements

We have audited the accompanying balance sheets of Zosano Pharma Corporation (the "Company") as of December 31, 2020 and 2019, the related
statement of operations and comprehensive loss, changes in stockholders’ equity and statement of cash flow, for the year then ended, and the related notes
(collectively referred to as the "financial statements"). In our opinion, the financial statements referred to above present fairly, in all material respects, the
financial position of the Company as of December 31, 2020 and 2019, and the results of its operations and its cash flows for the years then ended, in
conformity with accounting principles generally accepted in the United States of America.

Going Concern

The accompanying financial statements have been prepared assuming that the Company will continue as a going concern. As discussed in Note 2 to the
financial statements, the Company has incurred recurring operating losses and negative cash flows from operating activities since inception and has an
accumulated deficit, which raise substantial doubt about its ability to continue as a going concern. Management’s plans in regard to these matters are also
described in Note 2. The financial statements do not include any adjustments that might result from the outcome of this uncertainty.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on these 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 audit 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.

Critical Audit Matters

Critical audit matters are matters arising from the current-period audit of the financial statements that were communicated or required to be communicated
to the audit committee and that (1) relate to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging,
subjective, or complex judgments. We determined that there are no critical audit matters.

/s/ Deloitte & Touche LLP
San Francisco, California  
March 11, 2021

We have served as the Company's auditor since 2019.

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Current assets:

Cash and cash equivalents
Prepaid expenses and other current assets

Total current assets

Restricted cash
Property and equipment, net
Operating lease right-of-use assets
Other long-term assets

Total assets

ZOSANO PHARMA CORPORATION
BALANCE SHEETS
(in thousands, except par value and share amounts)

ASSETS

December 31,
2020

December 31,
2019

LIABILITIES AND STOCKHOLDERS’ EQUITY

Current liabilities:

Accounts payable
Accrued compensation
Build-to-suit obligation, current portion
Operating lease liabilities, current portion
Paycheck Protection Program loan, current portion
Other accrued liabilities

Total current liabilities

Build-to-suit obligation, long-term portion, net of debt issuance costs and discount
Operating lease liabilities, long-term portion
Paycheck Protection Program loan, long-term portion
Other long-term liabilities

Total liabilities

Commitments and contingencies (see note 10)
Stockholders’ equity:

Preferred stock, $0.0001 par value, 5,000,000 shares authorized; none issued and outstanding as of
December 31, 2020 and 2019
Common stock, $0.0001 par value; 250,000,000 shares authorized as of December 31, 2020 and 2019,
respectively; 102,066,218 and 23,503,214 shares issued and outstanding as of December 31, 2020 and 2019,
respectively
Additional paid-in capital
Accumulated deficit

Total stockholders’ equity
Total liabilities and stockholders’ equity

$

$

$

$

35,263  $
453 
35,716 
455 
30,909 
4,928 
3 
72,011  $

1,884  $
2,294 
4,779 
1,378 
809 
3,367 
14,511 
4,359 
4,687 
812 
127 
24,496 

6,316 
497 
6,813 
455 
24,636 
5,763 
3 
37,670 

4,356 
2,015 
4,554 
1,140 
— 
4,172 
16,237 
6,095 
5,931 
— 
15 
28,278 

— 

— 

10 
379,695 
(332,190)
47,515 
72,011  $

2 
308,211 
(298,821)
9,392 
37,670 

The accompanying notes are an integral part of these financial statements.

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ZOSANO PHARMA CORPORATION
STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS
(in thousands, except per share amounts)

Service revenue
Operating expenses:

Cost of service revenue
Research and development
General and administrative

Total operating expenses
Loss from operations
Other income (expense):
Interest income
Interest expense
Other income (expense), net

Loss before provision for income taxes
Provision for income taxes
Net loss
Unrealized gain on marketable securities, net of tax
Comprehensive loss

Net loss per common share – basic and diluted
Weighted-average common shares used in computing net loss per common share – basic and diluted

Year Ended December 31,

2020

2019

$

224  $

— 

171 
21,622 
11,189 
32,982 
(32,758)

18 
(719)
90 
(33,369)
— 
(33,369) $
— 
(33,369) $

(0.49) $

67,907 

— 
25,385 
11,812 
37,197 
(37,197)

207 
(523)
(76)
(37,589)
— 
(37,589)
5 
(37,584)

(2.29)

16,384 

$

$

$

The accompanying notes are an integral part of these financial statements.

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ZOSANO PHARMA CORPORATION
STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY
(in thousands, except share amount)

Common Stock

Shares

Amount

Additional 
Paid-In Capital

11,973,039  $
5,750,000 

1  $
1 

279,946  $
18,330 

  Accumulated 
Deficit
(261,232) $

Accumulated 
Other 
Comprehensive 
Income (Loss)

Total 
Stockholders’ 
Equity

Balance at January 1, 2019

Issuance of common stock in connection with offering, net
Issuance of common stock in connection with at-the-
market offering program, net
Issuance of common stock in connection with registered
direct offering, net
Stock-based compensation
Unrealized gain on marketable securities
Net loss

Balance at December 31, 2019

Issuance of common stock in connection with offering, net
Issuance of common stock in connection with at-the-
market offering program, net
Issuance of common stock and Series E warrants in
connection with registered direct offering, net
Issuance of common stock, Series C and Series D pre-
funded warrants, in connection with public offering, net
Issuance of common stock upon exercise of Series D pre-
funded warrants
Issuance of common stock upon exercise of Series C
warrants
Issuance of common stock upon exercise of Series E
warrants
Stock-based compensation
Net loss

3,599,141 

2,181,034 
— 
— 
— 
23,503,214 
15,937,130 

15,388,372 

11,903,506 

11,992,307 

2,161,539 

13,986,146 

7,194,004 
— 
— 

Balance at December 31, 2020

102,066,218  $

— 

— 

— 
— 
— 
(37,589)
(298,821)
— 

— 

— 

— 

— 

— 

— 

— 
— 
— 
— 
2 
1 

2 

1 

2 

— 

1 

1 
— 
— 
10  $

5,233 

3,090 
1,612 
— 
— 
308,211 
20,335 

16,232 

10,210 

8,262 

— 

9,090 

5,772 
1,583 
— 

379,695  $

(5) $
— 

— 

— 
— 
5 
— 
— 
— 

— 

— 

— 

— 

— 

18,710 
18,331 

5,233 

3,090 
1,612 
5 
(37,589)
9,392 
20,336 

16,234 

10,211 

8,264 

— 

9,091 

5,773 
1,583 
(33,369)
47,515 

— 
— 
(33,369)
(332,190) $

— 
— 
— 
—  $

The accompanying notes are an integral part of these financial statements.

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ZOSANO PHARMA CORPORATION
STATEMENTS OF CASH FLOWS
(in thousands)

Cash flows from operating activities:
Net loss
Adjustments to reconcile net loss to net cash used in operating activities:

Stock-based compensation
Change in operating lease right-of-use assets
Depreciation and amortization
Effective interest on financing obligations
Capitalized effective interest
Accretion of interest on marketable securities
Other

Change in operating assets and liabilities:

Prepaid expenses and other assets
Accounts payable
Accrued compensation and other accrued liabilities
Operating lease liabilities

Net cash used in operating activities
Cash flows from investing activities:

Proceeds from maturities of marketable securities
Purchases of marketable securities
Purchases of property and equipment

Net cash (used in) provided by investing activities
Cash flows from financing activities:

Proceeds from offering of securities, net of commissions and offering costs
Proceeds from issuance of securities in connection with at-the-market offering program, net of commissions
and offering costs
Proceeds from registered direct offering of securities, net of commissions and offering costs
Proceeds from exercise of Series C warrants
Proceeds from public offering of securities and exercise of pre-funded Series D warrants, net of commissions
and offering costs
Proceeds from exercise of Series E warrants
Proceeds from Paycheck Protection Program loan
Proceeds from build-to-suit obligation, net of issuance costs
Principal payments on financing obligations

Net cash provided by financing activities
Net increase (decrease) in cash, cash equivalents and restricted cash
Cash, cash equivalents and restricted cash at beginning of year

Cash, cash equivalents and restricted cash at end of year

Supplemental cash flow information:

Cash paid for interest
Cash paid for income taxes

Non-cash investing and financing activities:

Acquisition of property and equipment under accounts payable and other accrued liabilities
Asset retirement obligation
Accrued offering costs

$

$
$

$
$
$

The accompanying notes are an integral part of these financial statements.

82

Year Ended December 31,    

2020

2019

$

(33,369) $

(37,589)

1,583 
980 
1,426 
722 
(447)
— 
7 

(17)
(1,472)
21 
(1,152)
(31,718)

— 
— 
(8,487)
(8,487)

20,336 

16,183 
10,135 
9,091 

8,264 
5,773 
1,610 
— 
(2,240)
69,152 
28,947 
6,771 
35,718  $

961  $
13  $

3,088  $
97  $
—  $

1,612 
841 
683 
860 
(582)
(55)
93 

(193)
1,764 
(1,288)
(963)
(34,817)

17,400 
(3,476)
(11,760)
2,164 

18,331 

5,289 
3,162 
— 

— 
— 
— 
6,126 
(3,079)
29,829 
(2,824)
9,595 
6,771 

834 
3 

4,420 
— 
188 

 
 
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1.    Organization

The Company

Zosano Pharma Corporation
Notes to Financial Statements
For the Years Ended December 31, 2020 and 2019

Zosano Pharma Corporation (the “Company”) is a clinical-stage biopharmaceutical company focused on providing rapid systemic administration of

therapeutics and other bioactive molecules to patients using its proprietary transdermal microneedle system ("System").

The Company submitted a 505(b)(2) New Drug Application (“NDA”) for Qtrypta™ (M207) (“Qtrypta”) to the U.S. Food and Drug Administration
(the “FDA”) on December 20, 2019, and on October 20, 2020, the Company received a Complete Response Letter (“CRL”) from the FDA with respect to
the NDA. The CRL cited inconsistent zolmitriptan exposure levels observed across clinical pharmacology studies, which had been previously identified in
the  FDA’s  discipline  review  letter  received  by  the  Company  on  September  29,  2020.  Specifically,  the  CRL  noted  differences  in  zolmitriptan  exposures
observed between subjects receiving different lots of Qtrypta in the Company’s trials and inadequate pharmacokinetic bridging between the lots that made
interpretation  of  some  safety  data  unclear.  The  CRL  referenced  unexpected  high  plasma  concentrations  of  zolmitriptan  observed  in  five  study  subjects
enrolled  in  the  Company’s  pharmacokinetic  studies.  The  FDA  recommended  that  the  Company  conduct  a  repeat  bioequivalence  study  comparing  lots
manufactured  with  the  equipment  used  during  development.  The  CRL  noted  that  additional  product  quality  validation  data,  which  were  planned  to  be
submitted following approval, if received, were required to be submitted with the application. In addition, the CRL mentioned that due to U.S. Government
and/or  Agency-wide  restrictions  on  travel,  inspections  of  the  Company’s  contract  manufacturing  facilities  were  not  able  to  be  conducted  but  would  be
required before the application may be approved.

On January 29, 2021, the Company held a Type A meeting with the FDA Division of Neurology II (the “Division”) regarding the requirements for
resubmission  of  the  Qtrypta  NDA.  Based  on  feedback  from  the  Type  A  meeting  held  with  the  Division,  the  Company  plans  to  conduct  an  additional
pharmacokinetic (“PK”) study for inclusion in an NDA resubmission package. During the meeting, the Division did not request that the Company conduct
any further clinical efficacy studies to support the resubmission. On February 19, 2021, the Company received the official Type A meeting minutes from
the FDA. The Type A meeting minutes were generally consistent with the Company's expectations to conduct an additional PK study for inclusion in an
NDA  resubmission  package.  In  a  post-meeting  comment,  the  FDA  recommended  a  skin  assessment  on  patients  in  the  planned  PK  study  to  generate
additional safety information. This assessment is included in the proposed study protocol, which has been submitted to the FDA. The Division indicated
willingness  to  review  the  study  protocol  and  provide  comments  prior  to  the  initiation  of  the  study.  The  Company's  plans  for  resubmitting  the  NDA  are
based on discussions with the FDA and may be subject to change upon receipt of the FDA’s comments to the proposed study protocol.

The Company does not anticipate realizing product revenues unless and until the FDA approves the NDA and the Company begins commercializing

Qtrypta, which may never occur.

2.    Summary of Significant Accounting Policies

Basis of Presentation and Use of Estimates

The accompanying financial statements have been prepared in accordance with United States generally accepted accounting principles ("U.S. GAAP").
The preparation of the accompanying financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions that
affect  the  reported  amounts  of  assets  and  liabilities,  the  disclosure  of  contingent  assets  and  liabilities  as  of  the  date  of  the  financial  statements,  and  the
reported amounts of expenses during the periods reported. Actual results could differ from those estimates. Assets and liabilities reported in the Company’s
balance sheet and expenses and income reported for each of the periods presented are affected by estimates and assumptions, which are used for, but are not
limited to, determining the fair value of assets and liabilities, income tax uncertainties, and measurement of stock-based compensation. Actual results could
differ from such estimates or assumptions.

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Liquidity and Substantial Doubt about Going Concern

Since inception, the Company has incurred recurring operating losses and negative cash flows from operating activities, and as of December 31, 2020,
had  an  accumulated  deficit  of  $332.2  million.  As  of  December  31,  2020,  the  Company  had  approximately  $35.3  million  in  cash  and  cash  equivalents.
Presently, the Company does not have sufficient cash and cash equivalents to enable it to fund its anticipated level of operations and meet its obligations as
they become due within twelve months following the date of issuance of this Annual Report on Form 10-K. The aforementioned factors raise substantial
doubt about the Company’s ability to continue as a going concern for a period of one year from the issuance of these financial statements. The financial
statements do not include any adjustments that might result from the outcome of this uncertainty.

Shelf Registration

The Company filed a shelf registration statement on Form S-3 with the U.S. Securities and Exchange Commission (the "SEC"), which was declared
effective  by  the  SEC  on  April  16,  2020  ("2020  Shelf  Registration  Statement").  The  2020  Shelf  Registration  Statement  provides  the  Company  with  the
ability to issue common stock and other securities as described in the registration statement from time to time up to an aggregate amount of $74.5 million,
of which approximately $33.7 million is available at December 31, 2020.

At-the-Market Offering Program - 2020

On June 8, 2020, the Company entered into a sales agreement with BTIG, LLC ("BTIG") as sales agent, to establish an at-the-market offering program
(“2020 ATM”), under which the Company is permitted to offer and sell, from time to time, shares of common stock having a maximum aggregate offering
price of up to $20.0 million. The Company is required to pay BTIG a commission of 3% of the gross proceeds from the sale of shares and has also agreed
to provide BTIG with customary indemnification rights. During the year ended December 31, 2020, the Company issued and sold 13,237,026 shares of its
common stock at an average price of $1.07 per share under the 2020 ATM with aggregate net proceeds of approximately $13.5 million after deducting
commissions and offering expenses payable by the Company. The shares were sold pursuant to the Company’s 2020 Shelf Registration Statement and a
prospectus supplement dated June 8, 2020.

Offering - September 2020

On August 31, 2020, the Company entered into an underwriting agreement with BTIG, pursuant to which the Company issued and sold 15,937,130
shares of its common stock to BTIG at a price of $1.304 per share. The offering closed on September 3, 2020. The Company received net proceeds of
approximately $20.3 million after deducting expenses payable by the Company in connection with the offering. The shares were sold pursuant to the 2020
Shelf Registration Statement and the prospectus supplement dated August 31, 2020.

Registered Direct Offering - March 2020

On  March  4,  2020,  the  Company  entered  into  a  securities  purchase  agreement  with  certain  institutional  investors  for  the  issuance  and  sale  in  a
registered direct offering (the "March 2020 Offering") of (i) 11,903,506 shares of the Company’s common stock and (ii) Series E Warrants to purchase up
to  a  total  of  11,903,506  shares  of  common  stock  at  an  offering  price  of  $0.9275  per  share  and  accompanying  warrant.  The  Series  E  Warrants  have  an
exercise price of $0.8025 per share, were immediately exercisable and expire five years from the date of issuance. The aggregate net proceeds from the
offering  were  approximately  $10.2  million,  after  deducting  the  placement  agent  fees  and  other  offering  expenses.  During  the  year  ended  December  31,
2020, Series E Warrants to purchase 7,194,004 shares of common stock were exercised at an exercise price of $0.8025 per share for aggregate proceeds of
approximately $5.8 million. During the period from January 1, 2021 to March 11, 2021, Series E Warrants to purchase 4,078,667 shares of common stock
were  exercised  at  an  exercise  price  of  $0.8025  per  share  for  aggregate  proceeds  of  approximately  $3.3  million.  The  shares  were  sold  pursuant  to  an
effective shelf registration statement and a prospectus supplement dated March 4, 2020.

Public Offering - February 2020

On February 14, 2020, the Company closed an underwritten offering (the "February 2020 Offering") for the issuance and sale of (i) 10,146,154 Class
A Units, each consisting of one share of common stock and one Series C Warrant to purchase one share of common stock, at a public offering price of
$0.65 per Class A Unit, and (ii) 2,161,539 Class B Units, each consisting of one Series D Pre-Funded Warrant to purchase one share of common stock and
one  Series  C  Warrant  to  purchase  one  share  of  common  stock,  at  a  public  offering  price  of  $0.6499  per  Class  B  Unit.  The  Series  C  Warrants  have  an
exercise price of $0.65 per share, were immediately exercisable and will expire five years from the date of issuance. The Series D Pre-Funded Warrants had
an exercise price of $0.0001 per share and were fully exercised in connection with the closing of the offering. The Company granted the underwriter a 30-
day option to purchase up to an additional 1,846,153 shares of common stock and/or additional Series C Warrants to purchase up to 1,846,153 shares of
common stock. The underwriter fully exercised its option to

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purchase the shares and the Series C Warrants. The aggregate net proceeds from the offering were $8.3 million after deducting underwriting commissions
and other offering expenses. During the year ended December 31, 2020, Series C Warrants to purchase 13,986,146 shares of common stock were exercised
at an exercise price of $0.65 per share for aggregate proceeds of approximately $9.1 million. During the period from January 1, 2021 to March 11, 2021,
Series  C  Warrants  to  purchase  145,000  shares  of  common  stock  were  exercised  at  an  exercise  price  of  $0.65  per  share  for  aggregate  proceeds  of
approximately  $0.1  million.  The  shares  were  sold  pursuant  to  an  effective  shelf  registration  statement  and  a  prospectus  supplement  dated  February  12,
2020.

The Company plans to raise additional funding through equity or debt financings, licensing or collaboration agreements, or strategic alliances with
pharmaceutical partners, or any combination of the above. However, there are no assurances that additional funding will be obtained and that the Company
will succeed in its future operations. The Company’s inability to obtain required funding in the near future or its inability to obtain funding on favorable
terms  will  have  a  material  adverse  effect  on  its  operations  and  strategic  development  plan  for  future  growth.  If  the  Company  cannot  successfully  raise
additional capital and implement its strategic development plan, its liquidity, financial condition and business prospects will be materially and adversely
affected, and it may have to cease operations.

The Company will continue to evaluate its timelines, strategic needs, and working capital requirements. There can be no assurance that if the Company
attempts to raise additional capital, it will be successful in doing so on terms acceptable to the Company, or at all. Further, there can be no assurance that it
will be able to gain access and/or be able to execute on securing new sources of funding, new development opportunities, successfully obtain regulatory
approvals for and commercialize new products, achieve significant product revenues from its products (if approved), or achieve or sustain profitability in
the future.

COVID-19 Pandemic

On  March  11,  2020,  the  World  Health  Organization  designated  COVID-19  as  a  global  pandemic.  Due  to  the  COVID-19  pandemic,  there  has  been
uncertainty in the global financial markets and economic conditions. The Company is closely monitoring the impact of the COVID-19 pandemic on its
business,  including  how  it  will  impact  its  employees,  clinical  trials  and  third-party  service  providers  who  perform  critical  services  for  the  Company's
business. In addition, the impact of the COVID-19 pandemic on the global financial markets and economic conditions could impact the Company's ability
to raise capital through an equity financing, debt financing, a license or collaboration or a combination of such sources of capital, and as a result, its ability
to  continue  as  a  going  concern.  The  full  extent  to  which  the  COVID-19  pandemic  will  directly  or  indirectly  impact  the  Company's  business,  results  of
operations and financial condition will depend on future developments that are highly uncertain, including as a result of new information that may emerge
concerning COVID-19 and the actions taken to contain or treat it. As of the date of issuance of this Annual Report on Form 10-K, management is not aware
of  any  specific  event  or  circumstances  that  would  require  an  update  to  its  estimates  or  a  revision  of  the  carrying  value  of  its  assets  or  liabilities.  These
estimates may change, as new events occur, and additional information is obtained.

Segment Reporting

The  Company  operates  in  one  reportable  segment:  the  development  of  human  pharmaceutical  products.  All  long-lived  assets  are  maintained  in  the

United States.

Cash, Cash Equivalents and Restricted Cash

The Company considers all highly liquid investments purchased with an original maturity of 90 days or less to be cash equivalents.

As of December 31, 2020 and 2019, the Company had restricted cash of approximately $0.5 million primarily consisting of deposits of $0.3 million to

secure its building lease until the end of the lease term and a deposit of approximately $0.1 million to a utility provider.

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the balance sheets and as presented as cash,

cash equivalents and restricted cash in the statements of cash flows.

Cash and cash equivalents
Restricted cash

Total

December 31, 2020

December 31, 2019

$

$

(in thousands)

35,263  $
455 
35,718  $

6,316 
455 
6,771 

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Marketable Securities

Marketable securities generally consist of debt securities with original maturities greater than 90 days and remaining maturities of less than one year.
Marketable securities with an original maturity greater than one year, if any, would be considered long-term investments. All of the Company's investments
are  classified  as  available-for-sale  and  carried  at  fair  value  based  upon  quoted  market  price.  The  change  in  unrealized  gains  and  losses  related  to  fixed
maturity debt securities is reported as a separate component of comprehensive loss in the statements of operations and comprehensive loss and as a separate
component of stockholders' equity on the balance sheets. Interest income includes interest, dividends, amortization and accretion of purchase premiums and
discounts and realized gains and losses on sales of securities, if any. The cost of securities sold is based on the specific-identification method.

The Company monitors its investment portfolio for potential impairment on a quarterly basis. If the carrying amount of an investment in available-for-
sale debt securities exceeds its fair value and the decline in value is determined to be other-than-temporary, an allowance is recorded in the amount that the
carrying amount of the security exceeds its fair value and a loss is recognized in operating results for the amount of such decline. If the carrying amount of
an investment in marketable securities, other than available-for-sale debt securities, exceeds its fair value and the decline in value is determined to be other-
than-temporary, the carrying amount of the security is reduced to fair value and a loss is recognized in operating results for the amount of such decline. In
order to determine whether a decline in value is other-than-temporary, the Company evaluates, among other factors, the cause of the impairment, including
the creditworthiness of the security issuers, the number of securities in an unrealized loss position, the severity and duration of the unrealized losses, and its
intent and ability to hold the security to maturity or expected recovery.

Fair Value Instruments

The Company records its financial assets and liabilities at fair value. Fair value is defined as the price that would be received to sell an asset or paid to
transfer a liability (an exit price) in an orderly transaction between market participants at the reporting date. The accounting guidance establishes a three-
tiered hierarchy, which prioritizes the inputs used in the valuation methodologies in measuring fair value as follows:

    Level 1: Inputs which include quoted prices in active markets for identical assets and liabilities.

    Level 2: Inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices for similar assets or liabilities; quoted
prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the
full term of the assets or liabilities.

    Level 3: Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

The carrying values of certain assets and liabilities of the Company, such as cash and cash equivalents and accounts payable, approximate fair value
due to their relatively short maturities. The carrying value of the Company’s short-term financial obligations approximates their fair value as the terms of
the  borrowing  are  consistent  with  current  market  rates  and  the  duration  to  maturity  is  short.  The  carrying  value  of  the  Company's  long-term  financial
obligations approximates fair value as interest rates approximate market rates that the Company could obtain for debt with similar terms and maturities.

Concentrations of Credit Risk

Financial instruments that potentially subject the Company to a concentration of credit risk consist primarily of cash, cash equivalents and marketable
securities. The Company invests its excess cash in money market funds, U.S. treasuries, corporate notes and commercial paper. The Company’s investment
policy limits investments to certain types of debt securities issued by the U.S. government, its agencies and institutions with investment-grade credit ratings
and places restrictions on maturities and concentration by type and issuer. Other than for obligations of the U.S. government, the Company’s policy is that
no single issuer in the portfolio shall exceed 10% or $1 million, whichever is greater, of the total portfolio at the time of purchase. Bank deposits are held
by a single financial institution having a strong credit rating and these deposits may at times be in excess of FDIC insured limits. The Company is exposed
to credit risk in the event of a default by the financial institutions holding its cash and cash equivalents to the extent recorded on the balance sheets.

Property and Equipment

Property and equipment are stated at cost less accumulated depreciation. Depreciation is calculated using the straight-line method over the estimated
useful lives of the respective assets, which range from two to five years for software, computer and office equipment and seven to nine years for furniture,
fixtures, and manufacturing and laboratory equipment. Leasehold improvements are depreciated over the shorter of the lease term or the estimated useful
lives of the respective assets.

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The Company records as construction-in-progress (“CIP”) property and equipment that has not yet been placed in service for its intended use. All costs
prior to a project becoming probable of being constructed are expensed as incurred. After the construction is considered probable, all directly identifiable
costs related to an asset are capitalized.

Interest related to construction of assets is capitalized when the financial statement effect of capitalization is material, construction of the asset has
begun, and interest is being incurred. Interest capitalization ends at the earlier of the asset being substantially complete and ready for its intended use or
when interest costs are no longer being incurred.

When assets are retired or otherwise disposed of, the costs and accumulated depreciation are removed from the balance sheet and any resulting gain or

loss is reflected in the statement of operations and comprehensive loss in the period realized.

Impairment of Long-Lived Assets

The  Company  evaluates  its  long-lived  assets  for  indications  of  possible  impairment  whenever  events  or  changes  in  circumstances  indicate  that  the
carrying  amount  of  an  asset  may  not  be  recoverable.  Recoverability  of  assets  is  measured  by  a  comparison  of  the  carrying  amount  of  the  asset  to  the
estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of the asset exceeds its estimated future cash flows,
an impairment charge is recognized for the amount by which the carrying amount of the asset exceeds the fair value of the asset.

There was no impairment of long-lived assets during the years ended December 31, 2020 and December 31, 2019.

Leases

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. Operating lease liabilities and their corresponding right-of-use assets are recorded based on the present value of lease payments over
the  expected  lease  term.  If  the  interest  rate  implicit  in  the  Company's  lease  contracts  is  not  readily  determinable,  the  Company  utilizes  its  incremental
borrowing  rate,  which  is  the  rate  incurred  to  borrow  on  a  collateralized  basis  over  a  similar  term,  an  amount  equal  to  the  lease  payments  in  a  similar
economic environment. Certain adjustments to the right-of-use asset may be required for items such as initial direct costs paid or incentives received.

Finance leases are reflected as a liability at the inception of the lease based on the present value of the minimum lease payments or, if lower, the fair
value of the property. Assets under finance leases are recorded in property and equipment, net on the balance sheets and depreciated in a manner similar to
other property and equipment.

Deferred Financing Costs

Deferred financing costs represent legal, accounting and other direct costs related to the Company’s efforts to raise capital through a public or private
sale  of  the  Company’s  common  stock.  These  costs  are  generally  deferred  until  the  completion  of  the  applicable  offering,  at  which  time  such  costs  are
reclassified  to  additional  paid-in-capital  as  a  reduction  of  the  proceeds.  In  the  instance  where  costs  are  incurred  for  a  canceled  or  delayed  offering,  the
deferred financing costs are recorded as expense in the period the offering is canceled or delayed beyond 90 days. The financing costs and value of any
commitment shares incurred to secure an equity line of credit are recorded as deferred financing costs and amortized as interest expense over the term of
the equity line of credit.

Revenue

On October 1, 2020, the Company adopted Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers (“Topic 606”). Topic
606  supersedes  the  revenue  recognition  requirements  in  Topic  605  Revenue Recognition  (“Topic  605”)  and  requires  entities  to  recognize  revenue  when
control of the promised goods or services is transferred to customers at an amount that reflects the consideration to which the entity expects to be entitled to
in exchange for those goods or services. The Company adopted Topic 606 using the modified retrospective transition method on October 1, 2020 as the
Company did not have revenue from the required adoption date of Topic 606 until October 1, 2020.

For all revenue transactions, the Company evaluates its contracts with customers to determine revenue recognition using the following five-step model:

1.

2.

Identify the contract(s) with a customer;

Identify the performance obligations in the contract;

3. Determine the transaction price;

4. Allocate the transaction price to the identified performance obligations; and

5. Recognize revenue when (or as) the Company satisfies a performance obligation.

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Currently, the Company's revenue is related to feasibility studies in which the Company provides research and development services to customers to
determine the feasibility of using its System in connection with the customers’ pharmaceuticals. All studies are evidenced by signed contracts delineating
the terms of the services provided. Performance obligations generally consist of various phases of research and development activities and the agreements
may also include provisions for exclusivity, future licensing negotiations options and most favored pricing. Such additional provisions are analyzed on an
individual basis to determine whether they represent performance obligations. The transaction price is stipulated in the specific agreement and is allocated
to research and development activities using the cost-plus-margin method and to any additional provisions using the residual value method. Revenue for
research and development activities is typically recognized over time using a percentage of completion input method as there is open communication and
transfer  of  understanding  and  know-how  between  the  parties  during  the  research  and  development  activities.  Revenue  recognition  for  exclusivity
agreements  is  recognized  ratably  over  the  duration  of  the  exclusivity.  The  Company  analyzes  its  agreements  regularly  to  determine  the  need  for  any
reserves for unexpected payment. As of December 31, 2020, the Company has not recorded any such reserves.

Research and Development Expenses

Research  and  development  costs  are  charged  to  expense  as  incurred  and  consist  of  costs  related  to  seeking  regulatory  approval  of  the  Company's
primary  product  candidate,  Qtrypta,  pre-commercialization  efforts  for  Qtrypta,  clinical  trial  costs  and  furthering  its  research  and  development  efforts.
Research and development costs include salaries and related employee benefits, fees paid to contract manufacturing organizations ("CMOs") that conduct
manufacturing  activities  on  behalf  of  the  Company,  costs  associated  with  clinical  trials,  nonclinical  research  and  development  activities,  regulatory
activities, costs of active pharmaceutical ingredients and raw materials and research and development related overhead expenses.

For the year ended December 31, 2020, the Company incurred research and development costs of approximately $7.2 million in connection with the
Company's  research  and  development  efforts  and  approximately  $14.4  million  in  the  manufacturing  of  the  Company’s  System  and  facility  set-up  and
technology transfer fees to its CMOs. For the year ended December 31, 2019, the Company incurred research and development costs of approximately
$11.5 million in connection with the Company’s research and development efforts and approximately $13.9 million in the manufacturing of the Company’s
System and facility set-up and technology transfer fees to its CMOs.

Clinical Trial Costs

Clinical trial costs are a component of research and development expenses. The Company expenses clinical trial activities performed by third-parties
based upon actual work completed in accordance with agreements established with clinical research organizations and clinical sites. The Company accrues
clinical trial expenses each reporting period. The Company determines the actual costs through discussions with internal personnel and external service
providers as to the progress or stage of completion of trials or services and the agreed-upon fee to be paid for such services.

Stock-Based Compensation

The Company has equity incentive plans under which various types of equity-based awards including, but not limited to, non-qualified stock options
and restricted stock awards, may be granted to employees, non-employee directors, and non-employee consultants. The Company’s equity incentive plans
also  allow  incentive  stock  options  to  be  awarded  to  employees.  The  Company  has  also  awarded  inducement  grants  to  purchase  common  stock  to  new
employees outside the existing equity compensation plans in accordance with Nasdaq listing rule 5635(c)(4).

The  Company  accounts  for  stock-based  compensation,  based  on  the  fair  value  of  the  stock-based  awards  on  the  date  of  grant.  The  fair  value  of
employee stock option grants is estimated on the date of grant using the Black-Scholes option pricing model and is recognized as expense on a straight-line
basis over the awardee’s requisite service period. Prior to 2020, the Company did not have sufficient historical stock price information to meet the expected
life of the stock option grants, and therefore, it used a blended volatility rate that included its common stock trading history supplemented with the trading
history  from  the  common  stock  of  a  set  of  comparable  publicly-traded  biopharmaceutical  companies.  During  2020,  the  Company  determined  that  a
sufficient amount of historical information was available regarding the volatility of its stock price and that it was no longer necessary to utilize a blended
volatility rate. Due to the lack of historical exercise data to provide a reasonable basis upon which to estimate an expected term, the Company has opted to
use the simplified method, which is the use of the midpoint of the vesting term and the contractual term of the award to estimate the expected term. The
Company recognizes the impact of stock option forfeitures on stock-based compensation expense in the period the award is forfeited.

Stock-based compensation expense related to stock options granted to non-employees, if any, is recognized based on the fair value of the stock options

as determined using the Black-Scholes option pricing model, as earned.

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Warrants

The Company has issued freestanding warrants to purchase shares of common stock in connection with equity offerings, debt agreements and a build-

to-suit arrangement. The warrants are recorded at fair value using the Black-Scholes option pricing model.

Income Taxes

The Company uses the liability method to account for income taxes. Under this method, deferred tax assets and liabilities are determined based on
differences  between  the  financial  statement  carrying  amounts  of  existing  assets  and  liabilities  and  their  tax  basis.  Deferred  tax  assets  and  liabilities  are
measured using enacted tax rates applied to taxable income in the years in which those temporary differences are expected to be recovered or settled. A
valuation  allowance  is  established  when  necessary  to  reduce  deferred  tax  assets  to  the  amount  expected  to  be  realized.  Financial  statement  effects  of
uncertain  tax  positions  are  recognized  when  it  is  more-likely-than-not,  based  on  the  technical  merits  of  the  position,  that  they  will  be  sustained  upon
examination. Interest and penalties related to unrecognized tax benefit, if any, would be included within the provision for income tax. As of December 31,
2020 and 2019, the Company has a full valuation allowance on its net deferred tax assets.

Interest Expense

Interest expense includes cash and non-cash components with the non-cash components consisting of (i) interest recognized from the amortization of
debt discount and issuance costs that are generally derived from cash payments or warrants issued related to financing obligations, (ii) interest recognized
from the amortization of purchase option and termination fees related to financing obligations, offset by (iii) interest capitalized for assets constructed for
use in operations.

The capitalized amounts related to the debt issuance costs and debt discounts are generally amortized to interest expense over the term of the related
debt instruments unless they are attributable to assets constructed for use in operations and are therefore capitalized as construction-in-progress until the
asset is substantially complete and ready for its intended use.

Net Loss Per Common Share

Basic  net  loss  per  common  share  is  calculated  by  dividing  the  net  loss  by  the  weighted-average  number  of  common  shares  outstanding  during  the
period,  without  consideration  for  potentially  dilutive  securities.  Diluted  net  loss  per  common  share  is  computed  by  dividing  the  net  loss  attributable  to
common stockholders by the weighted-average number of common shares and potentially dilutive securities outstanding for the period determined using
the treasury-stock and if-converted methods. For purposes of the diluted net loss per share calculation, common stock warrants, stock options and restricted
stock units ("RSUs") are considered to be potential dilutive securities but are excluded from the calculation of diluted net loss per share because their effect
would be anti-dilutive and therefore, basic and diluted net loss per share were the same for all periods presented.

The following outstanding common stock equivalents were excluded from the computations of diluted net loss per common share for the periods

presented as the effect of including such securities would be antidilutive:

Warrants to purchase common stock
Options to purchase common stock
RSUs

Total

Emerging Growth Company (EGC) Status

December 31, 2020

December 31, 2019

(shares)

5,148,108 
2,724,537 
335,004 
8,207,649 

274,524 
2,260,307 
— 
2,534,831 

As of December 31, 2020, the Company is no longer an EGC as a result of its status as a public entity for five years. Because the aggregate worldwide
market value of the voting and non-voting common equity of the Company held by non-affiliates as of June 30, 2020 was less than $700 million and the
Company's revenues for the year ended December 31, 2020 were less than $100 million, the Company will continue as a smaller reporting company as
designated by the SEC, and as such, it will be able to use the exemptions from certain reporting requirements available to smaller reporting companies.

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Recent Accounting Pronouncements

Recently Adopted Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2014-09, Revenue from Contracts
with  Customers  (Topic  606).  Topic  606  supersedes  the  revenue  recognition  requirements  in  Topic  605  Revenue  Recognition  (Topic  605)  and  requires
entities  to  recognize  revenue  when  control  of  the  promised  goods  or  services  is  transferred  to  customers  at  an  amount  that  reflects  the  consideration  to
which  the  entity  expects  to  be  entitled  to  in  exchange  for  those  goods  or  services.  The  Company  adopted  Topic  606  using  the  modified  retrospective
transition  method  on  October  1,  2020  as  the  Company  did  not  have  revenue  from  the  required  adoption  date  of  Topic  606  until  October  1,  2020.  The
Company adopted Topic 606 effective October 1, 2020 using the modified retrospective transition method as the Company has had no revenue since the
required adoption date.

In November 2018, the FASB issued ASU 2018-18 Collaborative Arrangements (Topic 808), Clarifying the Interaction between Topic 808 and Topic
606, which (1) clarifies that certain transactions between collaborative arrangement participants should be accounted for under ASC Topic 606, Revenue
from Contracts with Customers (Topic 606), when the collaborative arrangement participant is a customer in the context of a unit of account, (2) adds unit-
of-account guidance in Topic 808 to align with Topic 606 when an entity is assessing whether the collaborative arrangement, or a part of the arrangement,
is within the scope of Topic 606, (3) precludes presenting transactions together with revenue when those transactions involve collaborative arrangement
participants  that  are  not  directly  related  to  third  parties  and  are  not  customers.  The  Company  adopted  ASU  2018-18  in  the  third  quarter  of  2020.  The
adoption of ASU 2018-18 did not have a material impact on the Company's condensed financial statements.

The  FASB  issued  ASU  2019-05,  Financial  Instruments  -  Credit  Losses,  Targeted  Transition  Relief  in  May  2019,  ASU  2019-04,  Codification
Improvements to Topic 326, Financial Instruments — Credit Losses, Topic 815, Derivatives and Hedging, and Topic 825, Financial Instruments in April
2019, and ASU 2018-19, Codification Improvements to Topic 326, Financial Instruments - Credit Losses in November 2018. This new guidance is intended
to  present  credit  losses  on  available-for-sale  debt  securities  as  an  allowance  rather  than  as  a  write-down.  Entities  are  required  to  apply  the  standards'
provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is adopted. The
Company adopted ASU 2019-05, ASU 2019-04 and ASU 2018-19 effective January 1, 2020. The adoption of this guidance did not have an impact on the
Company's financial statements.

In  August  2018,  the  FASB  issued  ASU  2018-15,  Intangible  -  Goodwill  and  Other  -  Internal-Use  Software  (Subtopic  350-40),  which  aligns  the
requirements  for  capitalizing  implementation  costs  incurred  in  a  hosting  arrangement  that  is  a  service  contract  with  the  requirements  for  capitalizing
implementation costs incurred to develop or obtain internal-use software. The Company adopted ASU 2018-15, Subtopic 350-40 effective January 1, 2020
on a prospective basis. The adoption of this guidance did not have a material impact on the Company's financial statements.

In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (Topic 820). The new guidance modifies the disclosure requirements on fair
value measurements. The Company adopted Topic 820 effective January 1, 2020 on a modified retrospective basis. The adoption of this guidance did not
have a material impact on the Company's financial statement disclosures.

Recent Accounting Pronouncements Not Yet Adopted

In  December  2019,  the  FASB  issued  ASU  2019-12,  Income  Taxes  (Topic  740):  Simplifying  the  Accounting  for  Income  Taxes.  This  new  guidance
simplifies  the  accounting  for  income  taxes  by  removing  certain  exceptions  to  general  principles,  clarifying  requirements  and  including  amendments  to
improve consistent application of the guidance. The guidance specifically removes the exception to the incremental approach for intra period tax allocation
when there is a loss from continuing operations and income or a gain from other items, such as discontinued operations or other comprehensive income.
The guidance also requires an entity to recognize a franchise tax that is partially based on income as an income-based tax and to account for any other
amounts  incurred  as  a  non-income  based  tax.  The  guidance  is  effective  for  the  Company  beginning  January  1,  2021  using  a  prospective  approach.  The
Company has evaluated the new guidance and does not anticipate it to have a material impact on its financial statements.

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3. Master Services Agreement with Eversana

On August 6, 2020, the Company entered into a master services agreement (the “Eversana Agreement”) with Eversana Life Science Services, LLC
(“Eversana”) for the commercialization of Qtrypta in the United States, if approved by the FDA. Under the terms of the Eversana Agreement, Eversana and
the Company will cooperate to conduct activities over the term of the Eversana Agreement. The Company maintains ownership of the Qtrypta NDA as well
as all legal, regulatory and manufacturing responsibilities for Qtrypta. Eversana receives an exclusive right to conduct agreed commercialization activities
and will utilize its internal sales organization along with its other commercial capabilities for market access, marketing, distribution and patient support
services  for  Qtrypta.  Eversana  will  receive  reimbursement  of  certain  commercialization  costs  pursuant  to  a  commercialization  budget  estimated  at
approximately $250.0 million and a low double digit to mid-teen percentage of product profits if and when Company net sales of Qtrypta surpass certain
costs incurred by the parties pursuant to the commercialization budget.

The term of the Eversana Agreement is five years following the date, if any, that the FDA approves the NDA. Upon expiration or termination of the
Eversana  Agreement,  the  Company  will  retain  all  profits  from  product  sales  consummated  after  expiration  or  termination  and  assume  all  future
corresponding  commercialization  responsibilities.  The  Company  may  terminate  the  Eversana  Agreement  if  Eversana  fails  to  provide  pre-commercial  or
commercial  plans  and  budgets  by  specified  dates,  if  the  Company  decides  to  discontinue  development  or  commercialization  efforts  for  Qtrypta  in  the
United States (subject to a termination payment if such termination occurs within a specified time period), or upon a change of control of the Company.
Either party may terminate the Eversana Agreement if FDA approval is not received by July 31, 2021, if net profits are not realized within a specified time
period following commercial launch, for material breach of the Eversana Agreement by the other party that is not cured within a defined time period, for
insolvency of the other party, if Qtrypta is subject to a safety recall in the United States or if Qtrypta is not commercially launched within a specified time
period after FDA approval of the NDA (other than by reason of the terminating party’s failure to perform its obligations under the Eversana Agreement).

In addition, under the Eversana Agreement, following FDA approval of the NDA, Eversana has agreed to provide a revolving credit facility of up to
$5.0 million (the “Credit Facility”) to the Company pursuant to a loan agreement to be entered into between Eversana and the Company on a subsequent
date. The loan will bear interest at an annual rate equal to 10.0%, to be paid monthly, and the Company will be able to prepay any amounts borrowed under
the Credit Facility at any time without penalty or premium. The Credit Facility will be secured by substantially all of the Company’s assets, subject to prior
liens and security interests.

The Company is accounting for the Eversana Agreement as a collaborative arrangement. As of December 31, 2020, no material accruals, expenses,

payments, or revenues were recorded by the Company in connection with the Eversana Agreement.

4.    Cash Equivalents and Investments in Marketable Securities

The  following  table  summarizes  the  Company's  cash  equivalents  and  investments  in  marketable  securities  at  fair  value  on  a  recurring  basis  as  of

December 31, 2020:

Money market funds classified as cash equivalents

$

33,918  $

33,918  $

—  $

— 

The Company did not hold any cash equivalents and investments in marketable securities as of December 31, 2019.

Fair Value Measurements

Total

Quoted prices in
active market 
Level 1

Significant other
observable inputs 
Level 2

(in thousands)

Significant
unobservable
inputs 
Level 3

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5.    Balance Sheet Components

Prepaid Expenses and Other Current Assets

The following table summarizes the Company’s prepaid expenses and other current assets for each of the periods presented:

Unbilled revenue
Prepaid software and subscriptions
Prepaid services
Prepaid insurance
Deferred offering costs
Other
Total

Property and Equipment

The following table summarizes the Company’s property and equipment for each of the periods presented:

Leasehold improvements
Manufacturing equipment
Laboratory and office equipment
Computer equipment and software
Construction-in-progress
Property and equipment at cost
Less: accumulated depreciation property and equipment
Total

December 31, 2020

December 31, 2019

(in thousands)
124  $
118 
97 
66 
48 
— 
453  $

— 
61 
316 
49 
65 
6 
497 

December 31, 2020

December 31, 2019

(in thousands)

24,212  $
14,893 
1,641 
172 
18,239 
59,157 
(28,248)
30,909  $

16,932 
12,173 
1,610 
167 
20,602 
51,484 
(26,848)
24,636 

$

$

$

$

Depreciation expense was approximately $1.4 million and $0.7 million for the years ended December 31, 2020 and 2019, respectively.

Construction-in-progress  included  $14.6  million  and  $12.4  million  of  an  asset  relating  to  the  build-to-suit  arrangement  for  construction  of  the
Company's commercial coating and primary packaging system as of December 31, 2020 and 2019, respectively, of which capitalized construction period
interest was $2.4 million and $1.5 million as of December 31, 2020 and 2019, respectively (See Note 7. Debt Financing).

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Other Accrued Liabilities

The following table summarizes the Company’s other accrued liabilities for each of the periods presented:

Construction-in-progress obligations
Professional service fees
Contract manufacturing
Pre-clinical and clinical studies
Accrued taxes
Other

Total

6.    Leases

Operating Leases

December 31, 2020

December 31, 2019

(in thousands)

$

$

2,993  $
175 
71 
22 
— 
106 
3,367  $

3,422 
206 
250 
43 
27 
224 
4,172 

The Company has a non-cancelable operating lease for office, research and development, and manufacturing facilities in Fremont, California through
August 31, 2024, with an option to further extend the lease for an additional 60 months subject to certain terms and conditions. The operating lease right-
of-use asset and associated lease liability do not consider the option to extend the term after August 31, 2024, as the Company is not reasonably certain of
exercising the extension option. Per the terms of the agreement, the Company does not have any residual value guarantees, restrictions or covenants. In
calculating the present value of the lease payments, the Company utilized its incremental borrowing rate, as the rates implicit in the lease were not readily
determinable.  The  Company  estimates  its  incremental  borrowing  rate  based  on  qualitative  factors  including  company  specific  credit  offers,  lease  term,
general economics and the interest rate environment. The Company accounts for lease and non-lease components separately. The building lease includes
non-lease components (i.e. common area maintenance) which are charged and paid separately from rent based on actual costs incurred and therefore are not
included in the right-of-use asset and lease liability but reflected in operating expense in the period incurred.

As  of  December  31,  2020,  the  Company  had  operating  leases  for  manufacturing  space  at  two  of  its  CMOs.  The  operating  leases  are  embedded  in
agreements  with  these  CMOs  that  include  lease  and  non-lease  components.  The  Company  accounts  for  lease  and  non-lease  components  separately  and
determined the value of the lease and non-lease components of the agreements based upon estimates of relative standalone prices and a residual estimation
approach for components that are highly variable or uncertain and where standalone prices were not readily available or estimable. These agreements have
initial terms and options to extend that are dependent upon FDA approval of the Company's NDA for Qtrypta. Both agreements have cancellation clauses if
the FDA does not approve the NDA for Qtrypta. As the Company does not currently have an intention to cancel the agreements prior to an FDA approval
decision, the Company has recorded right-of-use assets and lease liabilities at the present value of the amount in each CMO agreement that was identified
as an embedded operating lease. The lease term does not extend past the estimated date of an FDA approval decision, as it is not reasonably certain that the
Company would not exercise the cancellation options in the event that Qtrypta was not approved. Pursuant to the terms of the agreements, the Company
does  not  have  any  residual  value  guarantees,  restrictions  or  covenants.  In  calculating  the  present  value  of  the  lease  payments,  the  Company  utilized  its
incremental borrowing rate, as the rates implicit in the leases were not readily determinable. The Company estimates its incremental borrowing rate based
on qualitative factors including company specific credit offers, lease term, general economics and the interest rate environment. Prior to the receipt of a
discipline review letter from the FDA on September 29, 2020, which indicated that an approval was unlikely, any embedded leases within these agreements
were not considered long-term and were not separately disclosed as lease commitments, but included as commitments to CMOs in the commitments and
contingencies  footnote  of  the  financial  statements.  The  establishment  of  the  embedded  leases  resulted  in  $146,000  of  right-of-use  assets  and  associated
lease liabilities and was reflected as a non-cash operating activity in the statement of cash flows for the year ended December 31, 2020.

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The following table summarizes the components of lease costs for each of the periods presented:

Operating lease costs

The following table summarizes cash payments for leases for each of the periods presented:

Operating cash flows from operating leases - cash paid for operating leases

Year ended December 31,

2020

2019

(in thousands)

1,706  $

1,671 

Year ended December 31,

2020

2019

(in thousands)

1,877 

$

1,793 

$

$

The following table summarizes the lease terms and discount rates for the Company's leases as of December 31, 2020:

Weighted-average remaining lease term (in years)
Weighted average discount rate

Operating leases

3.63
11 %

The following table summarizes the maturities of the Company's lease liabilities for each year ending December 31, as of December 31, 2020:

2021
2022
2023
2024
Total undiscounted cash flows
Less: amount representing interest

Present value of lease liabilities

Current portion
Long-term portion

Total

7.    Debt Financing

Build-to-Suit Obligation with Trinity

Operating leases
(in thousands)

1,976 
2,043 
2,017 
1,371 
7,407 
(1,342)
6,065 

1,378 
4,687 
6,065 

$

$

$

$

The Company has a build-to-suit arrangement (the "Agreement") with Trinity Funding 1, LLC (successor to Trinity Capital Fund III, L.P.) ("Trinity")
to finance the third-party construction of the Company's commercial coating and primary packaging system (the "Equipment"), expected to be completed in
2021.  Under  the  Agreement,  Trinity  provided  the  Company  $14.0  million  for  equipment  costs  and  associated  soft  costs  ("Total  Cost"),  with  an  initial
drawdown  of  $5.0  million  and  additional  drawdowns  in  increments  of  not  less  than  $0.5  million.  Under  the  Agreement,  each  individual  drawdown
represents a separate financing arrangement with its own term and stated interest rate. Each drawdown is non-cancelable, with no prepayment options. In
consideration of the financing arrangement, as collateral, the Company granted Trinity a first-priority lien and security interest in substantially all of the
Company's assets.

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On May 27, 2020, the Company entered into the First Amendment to Lease Documents (the “Trinity Amendment”). The Trinity Amendment, among
other  things,  extended  each  individual  drawdown  term  from  36  months  to  42  months  by  providing  for  an  interest-only  period  from  May  2020  through
October 2020. Principal payments recommenced November 1, 2020. Additionally, the Trinity Amendment removed all end-of-term options other than the
option to purchase the equipment at 12% of the Total Cost, which is equal to the drawdown amount (“Purchase Option Fee”), which the Company intends
to exercise at the end of each 42-month-term. The transfer of title from Trinity to the Company will occur at the end of the final 42-month-term, provided
that the purchase option was executed, and the Purchase Option Fee was paid in full at the end of each 42-month-term. The security interest will terminate
on the earlier to occur of (i) the date that falls six (6) months after the delivery and installation of the Equipment or (ii) payment in full of all amounts owed.
The Company accounted for the Trinity Amendment as a debt modification under ASC 470-50, as the amended terms were not substantially different from
the terms of the Agreement.

The  Company  determined  that  it  controls  the  Equipment  during  the  construction  period  due  to  its  involvement  in  and  its  obligations  related  to  the
construction of the Equipment. Accordingly, construction costs incurred were recorded as construction-in-progress, a component of property and equipment
on the balance sheet, and the Trinity financing obligation was recorded as a build-to-suit obligation on the balance sheet. As of December 31, 2020 and
2019, the Company had an aggregate commercial coating and primary packaging system CIP balance of $14.6 million and $12.4 million, respectively, that
included $2.4 million and $1.5 million, respectively, of interest related to its build-to-suit obligation.

In  connection  with  the  build-to-suit  arrangement,  the  Company  issued  common  stock  warrants  ("Trinity  Warrants")  for  a  total  of  75,000  shares  of
common stock at an exercise price of $3.5928 per share. The Trinity Warrants expire on September 25, 2025. Proceeds allocated to the Trinity Warrants
based on their relative fair value approximated $243,000 and were recorded as a discount to the initial $5.0 million drawdown under the Trinity financing
arrangement and are being amortized as interest over the term of the September 2018 drawdown.

The Trinity build-to-suit arrangement requires compliance with various affirmative and restrictive covenants in regard to making certain investments
and  other  restricted  payments,  engaging  in  mergers  or  consolidations,  and  the  sale  or  transfer  of  certain  assets.  Failure  to  comply  with  any  of  these
covenants, or pay principal, interest or other amounts when due, would constitute an event of default under the applicable agreement. The Company was in
compliance with its covenants with respect to the Trinity build-to-suit arrangement as of December 31, 2020.

The following table summarizes the debt obligations as of December 31, 2020:

Drawdown
Date

Drawdown
Amount

Principal
Balance

Purchase
Option Fee

Discount on
Purchase
Option Fee
(in thousands)

Unamortized
Discounts and
Issuance Costs

Monthly
Payment

Monthly
Payment
(interest only
period)

Stated Interest
Rate

Amended
Effective

Interest Rate Maturity Date

09/25/2018 $
12/11/2018
06/06/2019
09/13/2019
11/27/2019

Total

$

5,000  $
2,800 
2,300 
2,300 
1,600 
14,000  $

2,097  $
1,412 
1,534 
1,714 
1,273 
8,030  $

600  $
336 
276 
276 
192 
1,680  $

(20) $
(17)
(25)
(32)
(26)
(120) $

(123) $
(55)
(81)
(105)
(88)
(452) $

160  $
90 
74 
74 
52 
450  $

20 
13 
14 
16 
12 
75 

9.43 %
9.68 %
9.93 %
9.93 %
9.93 %

24.38 %
18.25 %
18.08 %
18.04 %
18.16 %

04/01/2022
07/01/2022
01/01/2023
04/01/2023
06/01/2023

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The following table summarizes of the Company's build-to-suit obligation as of December 31, 2020 (in thousands):

Build-to-suit obligation principal amount
Build-to-suit obligation Purchase Option Fees at present value
Less: unamortized Purchase Option Fees

unamortized fair value of free-standing warrants
unamortized debt discount
unamortized debt issuance costs

Build-to-suit obligation, net of debt issuance costs and discount

Build-to-suit obligation, current portion
Build-to-suit obligation, long-term portion, net of debt issuance costs and discount

Build-to-suit obligation, net of debt issuance costs and discount

$

$

$

8,030 
1,560 
(352)
(33)
(63)
(4)
9,138 

4,779 
4,359 
9,138 

Future minimum payments on the Company’s build-to-suit obligation, including payment of principal and interest and Purchase Option Fees for each

year ending December 31 were as follows:

2021
2022
2023

Total

Principal

Interest

Purchase Option Fees

Total

$

$

4,779  $
2,979 
272 
8,030  $

(in thousands)
618  $
189 
8 
815  $

—  $
936 
744 
1,680  $

5,397 
4,104 
1,024 
10,525 

The following table summarizes interest incurred on the Company's build-to-suit obligation for each of the periods presented:

Build-to-suit obligation, cash interest expense
Build-to-suit obligation, effective interest expense
Less: build-to-suit obligation, interest capitalized

Build-to-suit obligation interest expense

PPP Loan

Year ended December 31,

2020

2019

(in thousands)
926  $
711 
(965)
672  $

782 
812 
(1,170)
424 

$

$

On April 21, 2020, the Company executed a promissory note (the “PPP Note”) evidencing an unsecured loan in the amount of $1.6 million under the
Paycheck  Protection  Program  (the  “PPP  Loan”).  The  Paycheck  Protection  Program  (“PPP”)  was  established  under  the  Coronavirus  Aid,  Relief  and
Economic Security Act (the “CARES Act”) and is administered by the U.S. Small Business Administration (“SBA”). The Loan was made through Silicon
Valley Bank (the "Lender"). Under the terms of the CARES Act, PPP loan recipients can apply for and be granted forgiveness for all or a portion of loans
granted  under  the  PPP.  Such  forgiveness  will  be  determined,  subject  to  limitations,  based  on  the  use  of  loan  proceeds  for  eligible  purposes,  including
payroll, benefits, rent and utilities, and the maintenance of the Company's payroll levels.

The PPP Loan has a two-year term and bears interest at a rate of 1.0% per annum. Under the terms of the CARES Act, PPP loan recipients can apply
for and be granted forgiveness for all or a portion of the loan granted under the PPP. Such forgiveness will be determined, subject to limitations, based on
the  use  of  loan  proceeds  for  eligible  purposes,  including  payroll,  benefits,  rent  and  utilities,  and  the  maintenance  of  the  Company's  payroll  levels.  The
Company applied for forgiveness of the entire $1.6 million loan amount and accrued interest on October 4, 2020. The Lender reviewed the application and
submitted it to the SBA on October 7, 2020. No assurance is provided that forgiveness for any portion of the PPP Loan or accrued interest will be obtained.

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The  Paycheck  Protection  Flexibility  Act  of  2020,  P.L.  116-142,  extended  the  deferral  period  for  loan  payments  to  either  (1)  the  date  that  the  SBA
remits  the  borrower’s  loan  forgiveness  amount  to  the  lender  or  (2)  if  the  borrower  does  not  apply  for  loan  forgiveness,  ten  months  after  the  end  of  the
borrower’s loan forgiveness covered period. The Lender has modified the Company’s first payment from November 21, 2020 to September 21, 2021 and if
the loan is fully forgiven, the Company is not responsible for any payments. If only a portion of the loan is forgiven, or if the forgiveness application is
denied, any remaining balance due on the loan must be repaid by the Company on or before April 21, 2022, the maturity date of the loan. Interest accrues
during the time between the disbursement of the loan and SBA remittance of the forgiveness amount. The Company is responsible for paying the accrued
interest on any amount of the loan that is not forgiven.

The  PPP  Note  contains  customary  events  of  default  relating  to,  among  other  things,  payment  defaults,  providing  materially  false  and  misleading
representation to the SBA or Lender or breaching the terms of the PPP Note. The occurrence of an event of default may result in the immediate repayment
of all amounts outstanding, collection of all amounts owing from the Company or filing suit and obtaining judgment against the Company.

8.    Stockholders’ Equity

Shelf Registration

The Company filed the 2020 Shelf Registration Statement with the SEC, which was declared effective by the SEC on April 16, 2020. The 2020 Shelf
Registration Statement provides the Company with the ability to issue common stock and other securities as described in the registration statement from
time to time up to an aggregate amount of $74.5 million, of which approximately $33.7 million is available at December 31, 2020.

Offerings

Offering - September 2020

On August 31, 2020, the Company entered into an underwriting agreement with BTIG, pursuant to which the Company issued and sold 15,937,130
shares of its common stock to BTIG at a price of $1.304 per share. The offering closed on September 3, 2020. The Company received net proceeds of
approximately $20.3 million after deducting expenses payable by the Company in connection with the offering. The shares were sold pursuant to the 2020
Shelf Registration Statement and the prospectus supplement dated August 31, 2020.

Registered Direct Offering - March 2020

On  March  4,  2020,  the  Company  entered  into  a  securities  purchase  agreement  with  certain  institutional  investors  for  the  issuance  and  sale  in  a
registered direct offering of (i) 11,903,506 shares of the Company’s common stock and (ii) Series E Warrants to purchase up to a total of 11,903,506 shares
of common stock at an offering price of $0.9275 per share and accompanying warrant. The Series E Warrants have an exercise price of $0.8025 per share,
were  immediately  exercisable  and  expire  five  years  from  the  date  of  issuance.  The  aggregate  net  proceeds  from  the  offering  were  approximately
$10.2  million,  after  deducting  the  placement  agent  fees  and  other  offering  expenses.  During  the  year  ended  December  31,  2020,  Series  E  Warrants  to
purchase 7,194,004 shares of common stock were exercised at an exercise price of $0.8025 per share for aggregate proceeds of approximately $5.8 million.
During the period from January 1, 2021 to March 11, 2021, Series E Warrants to purchase 4,078,667 shares of common stock were exercised at an exercise
price of $0.8025 per share for aggregate proceeds of approximately $3.3 million. The shares were sold pursuant to an effective shelf registration statement
and a prospectus supplement dated March 4, 2020.

Public Offering - February 2020

On February 14, 2020, the Company closed the February 2020 Offering for the issuance and sale of (i) 10,146,154 Class A Units, each consisting of
one share of common stock and one Series C Warrant to purchase one share of common stock, at a public offering price of $0.65 per Class A Unit, and (ii)
2,161,539  Class  B  Units,  each  consisting  of  one  Series  D  Pre-Funded  Warrant  to  purchase  one  share  of  common  stock  and  one  Series  C  Warrant  to
purchase one share of common stock, at a public offering price of $0.6499 per Class B Unit. The Series C Warrants have an exercise price of $0.65 per
share,  were  immediately  exercisable  and  will  expire  five  years  from  the  date  of  issuance.  The  Series  D  Pre-Funded  Warrants  had  an  exercise  price  of
$0.0001  per  share  and  were  fully  exercised  in  connection  with  the  closing  of  the  offering.  The  Company  granted  the  underwriter  a  30-day  option  to
purchase  up  to  an  additional  1,846,153  shares  of  common  stock  and/or  additional  Series  C  Warrants  to  purchase  up  to  1,846,153  shares  of  common
stock. The  underwriter  fully  exercised  its  option  to  purchase  the  shares  and  the  Series  C  Warrants.  The  aggregate  net  proceeds  from  the  offering  were
$8.3  million  after  deducting  underwriting  commissions  and  other  offering  expenses.  During  the  year  ended  December  31,  2020,  Series  C  Warrants  to
purchase 13,986,146 shares of common stock were exercised at an exercise price of $0.65 per share for aggregate proceeds of approximately $9.1 million.
During the period from January 1, 2021 to March 11, 2021, Series C Warrants to purchase 145,000

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shares of common stock were exercised at an exercise price of $0.65 per share for aggregate proceeds of approximately $0.1 million. The shares were sold
pursuant to an effective shelf registration statement and a prospectus supplement dated February 12, 2020.

Registered Direct Offering - December 2019

On November 27, 2019, the Company entered into a securities purchase agreement with several institutional investors providing for the issuance and
sale of an aggregate of 2,181,034 shares of common stock at a price of $1.45 per share in a registered direct offering. The aggregate net proceeds from the
offering  were  $3.1  million  after  deducting  offering  expenses,  of  which  $0.1  million  were  accrued  at  December  31,  2019.  An  affiliate  of  one  of  the
Company's directors, purchased 689,655 shares in this offering at the same price as other investors.

Offering - April 2019

On April 11, 2019, the Company closed an offering of 5,000,000 shares of common stock at a price to the underwriter of $3.29 per share. On May 8,
2019, the underwriter purchased an additional 750,000 shares at a price to the underwriter of $3.29 per share pursuant to the exercise of the underwriter's
option  to  purchase  additional  shares.  The  aggregate  net  proceeds  were  approximately  $18.3  million,  after  deducting  underwriting  costs  and  offering
expenses. An affiliate of one of the Company's directors and an executive officer purchased an aggregate of 528,571 shares in this offering at the same
price as other investors.

At-the-Market Offering Programs

At-the-Market Offering Program - 2020

On June 8, 2020, the Company entered into a sales agreement with BTIG, as sales agent, to establish the 2020 ATM, under which the Company is
permitted to offer and sell, from time to time, shares of common stock having a maximum aggregate offering price of up to $20.0 million. The Company is
required  to  pay  BTIG  a  commission  of  3%  of  the  gross  proceeds  from  the  sale  of  shares  and  has  also  agreed  to  provide  BTIG  with  customary
indemnification rights. During the year ended December 31, 2020, the Company issued and sold 13,237,026 shares of its common stock at an average price
of $1.07 per share under the 2020 ATM with aggregate net proceeds of approximately $13.5 million after deducting commissions and offering expenses
payable by the Company. The shares were sold pursuant to the Company's 2020 Shelf Registration Statement and a prospectus supplement dated June 8,
2020.

At-the-Market Offering Program - 2019

On August 19, 2019, the Company entered into a sales agreement with BTIG, as sales agent, to establish an at-the-market offering program ("2019
ATM"), under which the Company was permitted to offer and sell, from time to time, shares of common stock having a maximum aggregate offering price
of up to $15.0 million. The Company was required to pay BTIG a commission of 3% of the gross proceeds from the sale of shares and also agreed to
provide  BTIG  with  customary  indemnification  rights.  During  the  year  ended  December  31,  2020  the  Company  issued  and  sold  2,151,346  shares  of  its
common  stock  at  an  average  price  of  $1.30  per  share  under  the  2019  ATM.  The  aggregate  net  proceeds  were  approximately  $2.7  million  after  BTIG's
commissions and other offering expenses. On March 4, 2020, the Company delivered notice of termination of the sales agreement to BTIG. The Company
did not incur any termination penalties as a result of its termination of the sales agreement.

Equity Line of Credit

On October 20, 2017, the Company entered into a purchase agreement and a registration rights agreement with an accredited investor, Lincoln Park,
providing for the purchase of up to $35.0 million worth of the Company’s common stock over a 30-month term that commenced on November 21, 2017
("Equity Line of Credit"). On August 22, 2019, the Company terminated its purchase agreement with Lincoln Park. No sales of common stock were made
under the agreement.

On  October  20,  2017,  the  Company  issued  11,375  shares  of  its  common  stock,  as  initial  commitment  shares,  to  Lincoln  Park  with  a  fair  value  of
$15.30 per share. The value of the commitment shares and professional service fees to secure the Equity Line of Credit were recorded as deferred financing
costs and were amortized as interest expense over the term of the Equity Line of Credit, as there was no guarantee that additional shares would be sold
under  the  Equity  Line  of  Credit.  The  remaining  unamortized  deferred  financing  costs  at  the  date  of  termination  were  recorded  as  other  expense  in  the
statement of operations for the year ended December 31, 2019.

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Warrants

The following table summarizes the Company's issued and outstanding common stock warrants:

Warrants
Outstanding as of
December 31,
2019

Issued

Exercised

Expired

Warrants
Outstanding as of
December 31,
2020

Exercise Price

Expiration Date

Series E - March 2020
Series D - February 2020
Series C - February 2020
Trinity - September 2018
Series B - August 2016
Hercules - June 2015
Hercules - June 2014
Total

— 
— 
— 
75,000 
195,906 
2,035 
1,583 
274,524 

11,903,506 
2,161,539 
14,153,846 
— 
— 
— 
— 
28,218,891 

(7,194,004)
(2,161,539)
(13,986,146)
— 
— 
— 
— 
(23,341,689)

— 
— 
— 
— 
— 
(2,035)
(1,583)
(3,618)

4,709,502  $

— 
167,700  $
75,000  $
195,906  $
— 
— 
5,148,108 

0.8025 

03/06/25

0.65 
3.5928 
31.00 

02/14/25
09/25/25
08/19/21

Each warrant grants the holder the right to purchase one share of common stock. Equity warrants are recorded at their relative fair market value in the
stockholders’ equity section of the balance sheet. The Company’s equity warrants can only be settled through the issuance of shares and do not have any
anti-dilution or price reset provision.

Series C, Pre-Funded D and E Warrants

The  Company  issued  Series  C  Warrants  and  Series  D  Pre-funded  Warrants  in  its  February  2020  Offering  and  Series  E  Warrants  in  its  March  2020
Offering. The Series D Pre-funded Warrants were exercised in full at the close of the February 2020 Offering. The Company evaluated the Series E and
Series  C  Warrants  under  ASC  480,  Distinguishing  Liabilities  from  Equity,  and  ASC  815,  Derivatives  and  Hedging,  and  determined  permanent  equity
treatment  was  appropriate  for  these  freestanding  financial  instruments.  The  March  2020  Offering  and  the  February  2020  Offering  did  not  include  any
embedded features that would require bifurcation. Each Series E and Series C common stock warrant grants the holder the right to purchase one share of
common stock, subject to proportional adjustments in the event of stock splits, combinations or similar events. The Series E and Series C Warrants do not
have  any  dividend  or  liquidation  preferences  or  participation  rights.  Subject  to  certain  conditions,  the  warrants  are  exercisable  on  a  cashless  basis,  and
subject to certain beneficial ownership limitations, any unexercised Series E or Series C Warrants will be automatically exercised via cashless exercise on
the expiration date pursuant to the terms of the respective warrant agreements.

Trinity Warrants

In connection with its build-to-suit arrangement, the Company issued the Trinity Warrants for a total of 75,000 shares of common stock at an exercise
price of $3.5928 per share. The Trinity Warrants expire on September 25, 2025. Proceeds allocated to the Trinity Warrants based on their relative fair value
approximated $0.2 million and were recorded as a discount to the initial $5.0 million drawdown under the Trinity financing arrangement and are being
amortized as interest over the 36-month-term of the September 2018 drawdown.

Series B Warrants

On August 15, 2016, the Company entered into a Securities Purchase Agreement (“Purchase Agreement”) between the Company and certain investors,
including members of the Company’s board of directors and executive management, pursuant to which the Company sold and issued shares of common
stock  and  warrants  to  purchase  shares  of  common  stock  for  aggregate  gross  proceeds  of  $7.5  million.  Costs  related  to  the  offering  were  $0.9  million.
Pursuant to the Purchase Agreement, the Company sold 239,997 common shares at $26.40 per common share. Additionally, 480,000 warrants were sold, at
a  price  of  $2.50  per  warrant.  Each  warrant  grants  the  holder  the  right  to  purchase  one  share  of  the  Company’s  common  stock.  The  Company  granted
239,997 Series A Warrants, which expired in August 2017. The Company granted 239,997 Series B Warrants, which have a per share exercise price of
$31.00 and expire in August 2021. Certain of the Company's board of director and executive officers purchased an aggregate of 13,771 shares of common
stock and an aggregate of 27,542 warrants in this offering at the same price as the other investors. As of December 31, 2020, 195,906 warrants, which were
issued in conjunction with the PIPE, remain outstanding.

Hercules Warrants

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In June 2014, the Company entered into a loan and security agreement ("Hercules Term Loan") with Hercules Capital, Inc. ("Hercules"), and in June
2015 the Company entered into the first amendment to the Hercules Term Loan. In June 2014, the Company issued Hercules warrants to purchase 1,583
shares  of  the  Company’s  common  stock  at  an  exercise  price  of  $176.80  per  share  in  connection  with  the  Hercules  Term  Loan,  and  in  June  2015,  the
Company issued Hercules warrants to purchase 2,035 shares of the Company’s common stock at an exercise price of $147.40 per share in conjunction with
the first amendment to the Hercules Term Loan. These warrants expired in 2020.

9.    Stock-Based Compensation

The 2012 Stock Incentive Plan

The  2012  Stock  Incentive  Plan  ("2012  Plan")  provided  for  the  granting  of  stock  options  and  restricted  stock  awards  to  employees,  directors  and
consultants of the Company. Options granted under the 2012 Plan were either incentive stock options or nonqualified stock options. Incentive stock options
were granted only to Company employees. Nonqualified stock options were granted to Company employees, outside directors and consultants. Options and
awards under the 2012 Plan were granted for periods of up to ten years. Employee options granted by the Company generally vested over four years. In
connection with the Company’s initial public offering of its common stock, the Company’s Board of Directors terminated the 2012 Plan effective as of
January  27,  2015  and  no  further  awards  were  issued  under  the  2012  Plan.  However,  any  awards  outstanding  under  the  2012  Plan  at  January  27,  2015
continue to be governed by the terms of the 2012 Plan.

The Amended and Restated 2014 Equity and Incentive Plan

The Amended and Restated 2014 Equity and Incentive Plan ("2014 Plan") provides for the issuance of (i) cash awards and (ii) equity-based awards,
denominated in shares of the Company’s common stock, including incentive stock options, non-statutory stock options, stock appreciation rights, restricted
stock awards, restricted stock units, unrestricted stock awards, performance share awards and dividend equivalent rights. Incentive stock options may be
granted only to Company employees. Nonqualified stock options may be granted to Company employees, outside directors and consultants. Options and
awards under the 2014 Plan may be granted for periods of up to ten years. Employee options granted by the Company generally vest over four years.

During the second quarter of 2020, the Company granted RSUs to its employees and members of the Board of Directors. Upon vesting, each RSU is
settled into one share of the Company’s common stock. The value of an RSU award is based on the Company’s closing stock price on the date of grant. The
RSUs  granted  to  employees  vest  annually  over  four  years  and  are  subject  to  the  employee’s  continuing  service  to  the  Company.  The  RSUs  granted  to
members of the Board of Directors vest fully after one year and are subject to the director's continuing service to the Company. Stock-based compensation
expense is recognized straight-line over the vesting term.

On  January  1,  2020,  the  shares  of  common  stock  authorized  for  issuance  under  the  2014  Plan  were  increased  by  822,612  shares  pursuant  to  the
automatic annual increase provisions of the 2014 Plan. As of December 31, 2020, 84,402 shares of common stock were available for issuance under the
2014 Plan.

Inducement Grants

The Company has granted options to purchase common stock to new employees as inducement grants outside the existing equity compensation plans
in accordance with Nasdaq listing rule 5635(c)(4). Such options vest at a rate of 25% of the shares on the first anniversary of the commencement of such
employee’s employment with the Company, and then one forty-eighth (1/48) of the shares monthly thereafter subject to such employee’s continued service.

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The  following  tables  summarize  activity  under  the  2014  Plan,  the  2012  Plan  and  inducement  grants  issued  to  new  employees  for  the  years  ended

December 31, 2019 and 2020:

Options

Balance at January 1, 2019

Options granted
Options canceled/forfeited/expired
Balance at December 31, 2019
Options granted
Options canceled/forfeited/expired

Balance at December 31, 2020
Options exercisable at December 31, 2020

Number
of Options

Weighted-
Average
Exercise
Price per Share

Weighted-
Average
Remaining
Contractual
Term
(In Years)

1,309,994  $
1,053,950  $
(103,637) $
2,260,307  $
923,925  $
(459,695) $
2,724,537  $
1,093,712  $

5.91 
2.55 
7.14 
4.29 
0.97 
3.40 

3.31 

5.08 

7.41

7.20

8.19

7.45

The weighted-average grant-date fair value of options granted during the years ended December 31, 2020 and 2019 was $0.77 and $2.55, respectively.
The  aggregate  intrinsic  value  of  outstanding  options  at  December  31,  2020  was  $8,000.  The  aggregate  intrinsic  value  is  calculated  as  the  difference
between the exercise price of the option and the estimated fair value of the Company’s common stock for in-the-money options at December 31, 2020.

RSUs

Balance at January 1, 2020
Awards granted
Awards canceled/forfeited/expired

Balance at December 31, 2020

Number
of Awards

Weighted Average
Grant Date Fair Value

— 
343,442  $
(8,438) $
335,004  $

0.84 
0.84 

0.84 

The  total  fair  value  of  options  and  awards  that  vested  during  the  years  ended  December  31,  2020  and  2019  was  $1.6  million  and  $1.3  million,

respectively.

Stock-Based Compensation Expense

Total stock-based compensation expense recognized was as follows:

Research and development
General and administrative
Total

Year Ended December
31, 2020

Year Ended December
31, 2019

$

$

(in thousands)
674  $
909 
1,583  $

742 
870 
1,612 

At December 31, 2020, the Company had $2.8 million of total unrecognized stock-based compensation related to outstanding stock options that will be

recognized over a weighted-average period of 2.55 years.

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The  following  table  presents  the  weighted-average  assumptions  for  the  Black-Scholes  option-pricing  model  used  in  determining  the  fair  value  of

options granted to employees:

Risk-free interest rate
Expected volatility
Expected term (years)
Dividend yield

10.    Commitments and Contingencies

Equipment Purchase Commitments

Year Ended December 31,
2020
0.37% - 0.95%
114.58%-120.42%
5.50 - 6.08
—%

Year Ended December 31,
2019
1.60% - 2.66%
106.33%-107.76%
5.96 - 6.08
—%

The Company has a remaining commitment of $4.0 million, of which $2.9 million was recorded as a current liability at December 31, 2020, with an
equipment manufacturer to purchase a commercial coating and primary packaging machine for the production of its product candidate, Qtrypta. The terms
of the purchase commitment are contingent upon performance of certain milestones. The Company anticipates that the obligation will be paid within the
next 6 months.

Contract Manufacturing Organizations

The  Company  has  a  technology  transfer  agreement  and  a  manufacturing  and  supply  agreement  with  a  CMO  to  provide  services  related  to  the
manufacture and commercialization of Qtrypta. During the term of the agreement, the CMO will provide services related to processing, packaging, labeling
and storing Qtrypta, in addition to other services such as stability testing, quality control and assurance, and waste disposal.

The agreements call for annual fees of $2.8 million in 2021 escalating to $14.0 million in 2024, to be paid in equal monthly installments. The annual
fee includes the production of a defined number of units with an option to purchase additional units at a defined price. The agreement contains negotiated
representations and warranties, indemnification, limitations of liability, and other provisions. The initial term of the manufacturing and supply agreement
continues until the seventh anniversary of the date on which the Company receives New Drug Application approval of Qtrypta in the United States. The
Company had recorded a right-of-use asset and associated lease liability at the present value of the amount of the manufacturing and supply agreement
identified as an embedded operating lease (See Note 6. Leases).

The Company may terminate the agreements upon denial of regulatory approvals or if regulatory approvals are withdrawn under certain circumstances.
The Company may also elect to terminate the contracts for convenience, which would result in cancellation fees in the amount of 50% of the annual fee due
in the year that the contract is terminated, and costs to remove the Company's equipment and restore the CMO's facility. The Company or the CMO may
terminate the agreement for the other’s uncured material breach, uncured force majeure or bankruptcy or insolvency-related events.

The  Company  has  non-cancelable  commitments  with  this  CMO  for  the  construction  of  manufacturing  space  and  technology  transfer  fees  totaling

$3.9 million, of which $0.4 million was a current liability on the balance sheet as of December 31, 2020.

On  July  31,  2020,  the  Company  entered  into  an  amendment  to  a  Business  Understanding  Agreement  dated  September  13,  2018  with  a  CMO  (the
“Amended  Agreement”).  Pursuant  to  the  Amended  Agreement,  this  CMO  agreed  to  provide  services  related  to  the  manufacture  and  assembly  of  a
component  (the  “Product”)  of  Qtrypta.  Under  the  Amended  Agreement,  the  parties  expressed  their  mutual  intent  to  enter  into  a  commercial  supply
agreement  (“Supply  Agreement”)  addressing  certain  of  the  terms  set  forth  in  the  Amended  Agreement.  The  Amended  Agreement  provides  that  if  the
Company  does  not  enter  into  a  Supply  Agreement  with  this  CMO  or  ceases  to  purchase  the  Product  from  this  CMO  prior  to  reaching  a  minimum
commitment level, then the Company would be required to pay the CMO up to $2.5 million; however, no such payment will be required in the event of this
CMO’s material breach. The Company may be required to pay an additional payment of up to $4.6 million if the Company ceases to purchase the Product
from this CMO and a Supply Agreement is not entered into, except that no such payment will be required in the event of this CMO’s material breach or if
the FDA does not approve Qtrypta. As of December 31, 2020, the Company had recorded a right-of-use asset and associated lease liability at the present
value of the amount of the agreement identified as an embedded operating lease (See Note 6. Leases).

The Company has a manufacturing and supply agreement through September 2023 with a supplier for a component part that includes an inactivity fee

of up to $85,000 annually.

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Indemnification and Guarantees

In  the  normal  course  of  business,  the  Company  enters  into  contracts  and  agreements  that  contain  a  variety  of  representations  and  warranties  and
provide for general indemnifications. The Company’s exposure under these agreements is unknown because it involves claims that may be made against
the Company in the future but have not yet been made. To date, the Company has not paid any claims or been required to defend any action related to its
indemnification obligations. However, the Company may record charges in the future as a result of these indemnification obligations. The Company also
has  indemnification  obligations  to  its  officers  and  directors  for  specified  events  or  occurrences,  subject  to  some  limits,  while  they  are  serving  at  the
Company’s request in such capacities. There have been no claims to date and the Company has director and officer insurance that may enable the Company
to recover a portion of any amounts paid for future potential claims. The Company believes the fair value of these indemnification agreements is minimal.
Accordingly, the Company has not recorded any liabilities for these agreements as of December 31, 2020.

Legal Proceedings

On October 29, 2020 and November 6, 2020, two stockholders filed alleged class action lawsuits against the Company and certain of its current and
former executive officers in the United States District Court for the Northern District of California: Carr v. Zosano Pharma Corporation, et al., Case No.
3:20-cv-07625, and Becerra v. Zosano Pharma Corporation, et al., Case No. 3:20-cv-07850. The complaints were filed purportedly on behalf of all persons
who  purchased  or  otherwise  acquired  the  Company's  securities  between  February  13,  2017  and  September  30,  2020.  The  complaints  allege  that  the
Company  and  certain  of  its  current  and  former  executive  officers  made  false  and/or  misleading  statements  and  failed  to  disclose  material  adverse  facts
about the Company's business, operations and prospects in violation of Sections 10(b) (and Rule 10b-5 promulgated thereunder) and 20(a) of the Securities
Exchange  Act  of  1934,  as  amended  (the  "Exchange  Act").  The  plaintiffs  seek  damages,  interest,  costs,  attorneys’  fees  and  other  unspecified  relief.  On
February 4, 2021, the Carr and Becerra actions were consolidated and the court appointed two Co-Lead Plaintiffs and two law firms as Co-Lead Counsel in
the consolidated action. The Co-Lead Plaintiffs’ deadline to file a consolidated amended complaint is March 29, 2021. The Company anticipates filing a
motion to dismiss. Pursuant to a stipulated court order, the Company expects to file the motion on May 13, 2021; the Co-Lead Plaintiffs are expected to file
their opposition on June 14, 2021; and the Company expects to file a reply brief on July 6, 2021. The earliest date upon which the Court may hear the
motion is July 20, 2021. These dates are subject to change upon court order or if the Co-Lead Plaintiffs file their consolidated amended complaint prior to
the March 29, 2021 deadline.

On February 9, 2021, a stockholder filed a derivative action, purportedly on behalf of the Company (named as a nominal defendant), against certain of
the Company's current and former executive officers and directors in the United States District Court for the District of Delaware: Gensemer v. Lo, et al.,
Case No. 1:21-cv-00168. The complaint alleges breaches of the defendants’ fiduciary duties as the Company's directors and/or officers, unjust enrichment,
abuse of control, gross mismanagement, waste of corporate assets, violations of Section 14(a) of the Exchange Act, and for contribution under Sections
10(b) and 21D of the Exchange Act. The plaintiff seeks damages, restitution, interest, attorneys’ fees and costs, and other unspecified relief. The Company
believes the cases are without merit and it intends to vigorously defend itself against the claims. Given the uncertainty of litigation and the preliminary
stage of the cases, the Company cannot predict the outcome of or estimate the possible loss or range of loss that may result from these actions.

The Company, from time to time, may be involved in other lawsuits and legal proceedings, which arise, in the ordinary course of business. Lawsuits
and  legal  proceedings  are  subject  to  inherent  uncertainties  and  an  adverse  result  in  any  lawsuit  or  legal  proceeding  may  materially  adversely  affect  our
business,  financial  condition  and  results  of  operations.  The  Company  accrues  for  contingencies  when  it  believes  that  a  loss  is  probable  and  that  it  can
reasonably estimate the amount of any such loss. To the extent that there is a reasonable possibility that a loss exceeding amounts already recognized may
be incurred and the amount of such additional loss would be material, the Company will either disclose the estimated additional loss or state that such an
estimate cannot be made.

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11.    Income Taxes

The  Company  has  incurred  cumulative  net  operating  losses  ("NOLs")  in  the  United  States  since  inception  and,  consequently,  has  not  recorded  any

income tax expense for the years ended December 31, 2020 and 2019 due to its net operating loss position.

The reconciliation of the federal statutory income tax rate to the Company’s effective tax rate is as follows:

Federal statutory tax rate
State statutory tax rate, net of federal benefit
Change in effective tax rate
Research and development credits, net of uncertain tax positions
Derecognition due to Section 382 and 383
Stock-based compensation
Permanent items
Change in valuation allowance
Total

Year Ended December
31, 2020

Year Ended December
31, 2019

(21.0)%
(1.9)
1.0 
(2.1)
15.2 
0.6 
(0.4)
8.6 
— %

(21.0)%
(7.0)
— 
(2.6)
0.9 
0.7 
— 
29.0 

— %

Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting
purposes and the amounts used for income tax purposes. Realization of deferred tax assets is dependent upon future earnings, if any, the timing and amount
of which are uncertain. Accordingly, the net deferred tax assets have been fully offset by a valuation allowance. The net valuation allowance increased by
approximately $2.9 million and $10.9 million during the years ended December 31, 2020 and 2019, respectively.

Significant components of the Company’s net deferred tax assets and liabilities are as follows:

Net operating loss carryforwards
Research and development credits
Depreciation and amortization
Accruals
Inventory
Lease liability
Stock-based compensation
Capital loss carryforwards
Other

Total gross deferred tax assets
Valuation allowance

Right-of-use assets
Net deferred tax assets

Year Ended December
31, 2020

Year Ended December
31, 2019

(in thousands)

$

$

24,143  $
4,150 
508 
517 
239 
1,391 
459 
23 
4 
31,434 
(30,304)
1,130 
(1,130)

—  $

20,717 
4,809 
638 
558 
— 
1,980 
331 
23 
8 
29,064 
(27,450)
1,614 
(1,614)
— 

As  of  December  31,  2020,  the  Company  had  federal  net  operating  loss  carryforwards  of  approximately  $106.5  million  and  state  net  operating  loss
carryforwards  of  approximately  $25.8  million.  As  of  December  31,  2019,  the  Company  had  federal  net  operating  loss  carryforwards  of  approximately
$76.0 million and state net operating loss carryforwards of approximately $68.2 million. If not utilized, certain federal net operating loss carryforwards
incurred before January 1, 2018, will expire beginning in 2026, and state net operating loss carryforwards will expire beginning in 2028. The federal net
operating losses incurred in 2018 and beyond do not expire.

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If the Company experiences a greater than 50 percentage point aggregate change in ownership over a 3-year period (a Section 382 ownership change),
utilization  of  its  pre-change  NOL  carryforwards  is  subject  to  annual  limitation  under  Section  382  of  the  Internal  Revenue  Code  (California  has  similar
provisions). The annual limitation is determined by multiplying the value of the Company's stock at the time of such ownership change by the applicable
long-term tax-exempt rate. Such limitations may result in expiration of a portion of the NOL carryforwards before utilization. As of December 31, 2020,
the Company determined that ownership changes occurred on February 26, 2014, November 30, 2015, March 22, 2017, April 3, 2018, and March 4, 2020.
As  a  result  of  the  ownership  changes,  approximately  $221.7  million  and  $248.8  million  of  the  NOLs  will  expire  unutilized  for  federal  and  California
purposes,  respectively.  As  of  December  31,  2020,  the  Company  has  derecognized  NOL  related  deferred  tax  assets  in  the  tax  effected  amounts  of
$46.6 million and $17.4 million for federal and California purposes, respectively. The ability of the Company to use its remaining NOL carryforwards may
be further limited if the Company experiences a Section 382 ownership change as a result of future changes in its stock ownership.

As  of  December  31,  2020,  the  Company  had  federal  and  state  research  credit  carry  forwards  of  approximately  $0.5  million  and  $6.0  million,
respectively. As of December 31, 2019, the Company had federal and state research credit carry forwards of approximately $1.6 million and $5.6 million,
respectively. If not utilized, the federal tax credits will begin to expire in 2040 and the state tax credits do not expire. Research and development credits are
subject to IRC section 383. In the event of a change in ownership as defined by this code section, the usage of the credits may be limited. As a result of the
previously mentioned ownership changes, the Company has derecognized approximately $6.9 million of gross federal research and development credit-
related deferred tax assets due to the Section 383 limitation as of December 31, 2020. The Company has not derecognized any of the California research
and development credit-related deferred tax assets because the credits do not expire.

CARES Act and CAA

On March 27, 2020 and December 27, 2020, the United States enacted the CARES Act and the Consolidated Appropriation Act ("CAA"), respectively,
as  a  result  of  the  Coronavirus  pandemic,  which  acts  contain,  among  other  things,  numerous  income  tax  provisions.  Some  of  these  tax  provisions  are
expected to be effective retroactively for years ending before the date of enactment. The Company has evaluated the current legislation and, at this time,
does not anticipate that the tax provisions in the CARES Act or CCA will have a material impact on its financial statements.

Uncertain Income Tax Positions

The Company only recognizes tax benefits if it is more likely than not that they will be sustained upon audit by the relevant tax authority based upon

their technical merits. An uncertain tax position is not recognized if it has less than a 50% likelihood of being sustained.

The Company had approximately $1.3 million of unrecognized tax benefits as of December 31, 2020 and approximately $1.4 million of unrecognized
tax benefits as of December 31, 2019. As the Company has a full valuation allowance on its deferred tax assets, the unrecognized tax benefits reduce the
deferred tax assets and the valuation allowance in the same amount. The Company does not expect the amount of unrecognized tax benefits to materially
change in the next twelve months. A reconciliation of the beginning and ending balance of the unrecognized tax benefits is as follows:

Balance at the beginning of year
Increase (decrease) related to prior year tax positions
Increase related to current year tax positions
Balance at the end of year

Year Ended December
31, 2020

Year Ended December
31, 2019

$

$

(in thousands)

1,439  $
(312)
161 
1,288  $

1,128 
47 
264 
1,439 

As of December 31, 2020 and 2019, the Company had not recognized any tax-related interest or penalties in its financial statements. Any interest and

penalties related to unrecognized tax benefits would be included as income tax expense in the Company’s statements of operations.

The Company files income tax returns in the U.S. federal jurisdiction and various state jurisdictions. The Company is not currently under audit by the
Internal Revenue Service or any other similar state, local, or foreign authority. All tax years remain open to examination by major taxing jurisdictions to
which the Company is subject.

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12.    Employee Benefit Plan

The  Company  has  established  a  401(k)  tax-deferred  savings  plan  (the  "401(k)  Plan"),  which  permits  participants  to  make  contributions  by  salary
deduction pursuant to Section 401(k) of the Internal Revenue Code. The Company is responsible for administrative costs of the 401(k) Plan. The Company
may, at its discretion, make matching contributions to the 401(k) Plan. No employer contributions have been made during the periods ended December 31,
2020 and 2019.

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Item 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

On  May  28,  2019,  we  dismissed  Marcum  LLP  (“Marcum”)  as  our  independent  registered  public  accounting  firm.  The  dismissal  of  Marcum  was
approved by the audit committee of our board of directors ("Audit Committee"). The audit reports of Marcum on our financial statements for the years
ended December 31, 2018 and 2017, did not contain an adverse opinion or disclaimer of opinion and were not qualified or modified as to uncertainty, audit
scope, or accounting principles, except that both of the reports included an explanatory paragraph with respect to our ability to continue as a going concern.
The  financial  statements  did  not  include  any  adjustments  that  might  have  resulted  from  the  outcome  of  this  uncertainty.  During  the  fiscal  years  ended
December 31, 2018 and 2017, and any subsequent interim period through the date of Marcum’s dismissal, there were no: (1) disagreements with Marcum
on  any  matters  of  accounting  principles  or  practices,  financial  statement  disclosure,  or  auditing  scope  and  procedures  which,  if  not  resolved  to  the
satisfaction of Marcum, would have caused Marcum to make reference to the subject matter of the disagreement in connection with their reports on our
financial statements, or (2) there were no “reportable events” as that term is described in Item 304(a)(1)(v) of Regulation S-K of the rules and regulations of
the SEC, during our years ended December 31, 2018 and 2017 or in any subsequent interim period through the date of Marcum’s dismissal.

On May 28, 2019, the Audit Committee appointed Deloitte & Touche LLP (“Deloitte”) as our new independent registered public accounting firm to
audit our financial statements for the fiscal year ending December 31, 2019. During the fiscal years ended December 31, 2018 and 2017, in the interim
period  ended  March  31,  2019,  and  in  the  subsequent  interim  period  through  May  28,  2019,  neither  we  nor  anyone  acting  on  our  behalf  consulted  with
Deloitte regarding either: (i) the application of accounting principles to a specified transaction, either completed or proposed, or the type of audit opinion
that  might  be  rendered  on  our  financial  statements,  and  neither  a  written  report  nor  oral  advice  was  provided  that  Deloitte  concluded  was  an  important
factor considered by us in reaching a decision as to the accounting, auditing, or financial reporting issue; or (ii) any matter that was either the subject of a
disagreement (as defined in paragraph 304(a)(1)(iv) of Regulation S-K and the related instructions to Item 304 of Regulation S-K) or a reportable event (as
described in paragraph 304(a)(1)(v) of Regulation S-K).

Item 9A. CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and our Chief Financial Officer, evaluated the effectiveness of our disclosure
controls and procedures as of December 31, 2020. The term “disclosure controls and procedures,” as defined in Rule 13a-15(e) and 15d-15(e) under the
Securities Exchange Act of 1934, as amended, or the Exchange Act, means controls and other procedures of a company that are designed to ensure that
information required to be disclosed by the company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and
reported, within the time periods specified in the Securities and Exchange Commission’s rules and forms.

Based  on  the  evaluation  of  our  disclosure  controls  and  procedures  as  of  December  31,  2020,  our  Chief  Executive  Officer  and  our  Chief  Financial
Officer concluded that, as of such date, our disclosure controls and procedures are designed to, and are effective to, provide assurance at a reasonable level
that the information we are required to disclose in reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported
within the time periods specified in Securities and Exchange Commission rules and forms, and that such information is accumulated and communicated to
our  management,  including  our  Chief  Executive  Officer  and  our  Chief  Financial  Officer,  as  appropriate,  to  allow  timely  decisions  regarding  required
disclosures.

Management’s Annual Report on Internal Control over Financial Reporting

Our management is responsible for establishing and maintaining adequate controls over financial reporting, as such term is defined in Exchange Act
Rules 13a-15(f) and 15d-15(f). Under the supervision and with the participation of our management, including our Chief Executive Officer and our Chief
Financial Officer, we conducted an evaluation of the effectiveness of our internal control over financial reporting as of December 31, 2020 based on the
guidelines  established  in  Internal  Control—Integrated  Framework  (2013)  issued  by  the  Committee  of  Sponsoring  Organizations  of  the  Treadway
Commission. Our internal control over financial reporting includes policies and procedures that provide reasonable assurance regarding the reliability of
financial reporting and the preparation of financial statements for external reporting purposes in accordance with U.S. GAAP.

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Based on the results of our evaluation, our management concluded that our internal control over financial reporting was effective as of December 31,

2020. We reviewed the results of management’s assessment with our audit committee.

Since  we  are  a  non-accelerated  filer,  this  Annual  Report  on  Form  10-K  does  not  include  an  attestation  report  of  our  independent  registered  public

accounting firm on internal control over financial reporting.

Changes in Internal Control over Financial Reporting

There  have  been  no  changes  in  our  internal  control  over  financial  reporting  (as  defined  in  Rule  13a-15(f)  and  15d-15(f)  under  the  Securities  and
Exchange Act of 1934, as amended) during the quarter ended December 31, 2020, that materially affected, or are reasonably likely to materially affect, our
internal control over financial reporting.

Inherent Limitations of Controls

In designing and evaluating our disclosure controls and procedures, management recognizes that any disclosure 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 its judgment in evaluating the
benefits of possible controls and procedures relative to their costs. Management does not expect that our disclosure controls and procedures or our internal
control over financial reporting will prevent or detect all error and all fraud. Because of the inherent limitations in all control systems, no evaluation of
controls can provide absolute assurance that all control issues and instances of error or fraud, if any, within the Company have been detected.

Item 9B. OTHER INFORMATION

None.

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PART III

Item 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

The information required by this item will be included in our proxy statement relating to our 2021 annual meeting of stockholders to be filed by us
with the SEC no later than 120 days after the close of our fiscal year ended December 31, 2020 (the “Proxy Statement”) and is incorporated herein by
reference.

Code of Ethics

We  have  adopted  a  written  code  of  ethics  that  applies  to  our  officers,  directors  and  employees,  which  is  available  on  our  website
(www.zosanopharma.com) under “Investors — Corporate Governance.” The code of ethics is intended to qualify as a “code of ethics” within the meaning
of  Section  406  of  the  Sarbanes-Oxley  Act  of  2002,  as  amended,  and  Item  406  of  Regulation  S-K.  In  addition,  we  intend  to  promptly  disclose  on  our
website (1) the nature of any amendment to our code of ethics that applies to our directors or our principal executive officer, principal financial officer,
principal accounting officer or controller or persons performing similar functions that is required to be disclosed under Item 5.05 of Form 8-K and (2) the
nature of any waiver, including an implicit waiver, from a provision of our code of ethics that is granted to a director or one of these specified officers, the
name of such person who is granted the waiver and the date of the waiver.

Item 11. EXECUTIVE COMPENSATION

The information required by this item will be included in the Proxy Statement 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 the Proxy Statement 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 the Proxy Statement and is incorporated herein by reference.

Item 14. PRINCIPAL ACCOUNTANT FEES AND SERVICES

The information required by this item will be included in the Proxy Statement and is incorporated herein by reference.

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Index to Financial Statements

Item 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a) The following documents are filed as part of this report:

(1) FINANCIAL STATEMENTS

PART IV

Financial Statements—See index on page 77 to Financial Statements on Item 8 of this Annual Report on Form 10-K.

(2) FINANCIAL STATEMENT SCHEDULES

Financial  statement  schedules  have  been  omitted  in  this  Annual  Report  on  Form  10-K  because  they  are  not  applicable,  not  required  under  the

instructions, or the information requested is set forth in the financial statements or related notes thereto.

(3) INDEX TO EXHIBITS

Exhibit
number

   Description

EXHIBIT INDEX

3.1

3.2

3.3

3.4

4.1

4.2

4.3

4.4

4.5

4.6

   Amended  and  Restated  Certificate  of  Incorporation  of  Zosano  Pharma  Corporation  (incorporated  by  reference  to  Exhibit  3.1  to  the

registrant’s Current Report on Form 8-K filed with the Commission on February 3, 2015)

   Amended  and  Restated  Bylaws  of  Zosano  Pharma  Corporation  (incorporated  by  reference  to  Exhibit  3.2  to  the  registrant’s  Current

Report on Form 8-K filed with the Commission on February 3, 2015)

   Certificate of Amendment of Amended and Restated Certificate of Incorporation of Zosano Pharma Corporation, filed on January 24,
2018 (Authorized Share Increase) (incorporated by reference to Exhibit 3.1 to the registrant’s Current Report on Form 8-K filed with the
Commission on January 25, 2018)

   Certificate of Amendment of Amended and Restated Certificate of Incorporation of Zosano Pharma Corporation, filed on January 24,
2018  (Reverse  Stock  Split)  (incorporated  by  reference  to  Exhibit  3.2  to  the  registrant’s  Current  Report  on  Form  8-K  filed  with  the
Commission on January 25, 2018)

   Specimen certificate evidencing shares of common stock of Zosano Pharma Corporation (incorporated by reference to Exhibit 4.1 to the

registrant’s Amendment No. 3 to Registration Statement on Form S-1 filed with the Commission on July 25, 2014)

Description of Registrant's Securities (incorporated by reference to Exhibit 4.2 to the registrant's Annual Report on Form 10-K filed with
the Commission on March 13, 2020)

Warrant  Agreement,  dated  as  of  June  23,  2015,  between  Zosano  Pharma  Corporation  and  Hercules  Technology  Growth  Capital,  Inc.
(incorporated by reference to Exhibit 10.3 to the registrant’s Current Report on Form 8-K  filed with the Commission on June 29, 2015)

Warrant to Purchase Stock, dated as of September 25, 2018 (incorporated by reference to Exhibit 4.1 to the registrant's current report on
Form 8-K filed with the SEC on September 26, 2018).

Form  of  Series  C  Common  Stock  Purchase  Warrant  (incorporated  by  reference  to  Exhibit  4.1  to  the  registrant’s  Current  Report  on
Form 8-K filed with the Commission on February 13, 2020)

Amended Form  of  Series  E  Common  Stock  Purchase  Warrant  (incorporated  by  reference  to  Exhibit  4.2  to  the  registrant’s  Quarterly
Report of Form 10-Q filed with the Commission on May 14, 2020)

10.1

10.2**

10.3

   Letter  Amendment  to  Intellectual  Property  License  Agreement,  dated  February  22,  2011  between  ALZA  Corporation  and  Zosano
Pharma,  Inc.  (incorporated  by  reference  to  Exhibit  10.3  to  the  registrant’s  Registration  Statement  on  Form  S-1    filed  with  the
Commission on June 24, 2014)

   Intellectual  Property  License  Agreement,  dated  as  of  October  5,  2006,  between  ALZA  Corporation  and  The  Macroflux  Corporation
(incorporated by reference to Exhibit 10.4 to the registrant’s Amendment No. 2 to Registration Statement on Form  S-1 filed with the
Commission on July 17, 2014)

   Lease Agreement, dated May 1, 2007, between Zosano Pharma, Inc. and BMR-34790 Ardentech Court LP (incorporated by reference to

Exhibit 10.9 to the registrant’s Registration Statement on Form S-1  filed with the Commission on June 24, 2014)

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10.4

10.5

10.6

10.7

10.8

10.9

10.10

10.11

10.12(a)#

10.12(b)#

10.12(c)#

10.13(a)#

10.13(b)#

10.13(c)#

10.13(d)#

10.14

10.15

10.16

   First Amendment to Lease, dated June 20, 2008, between Zosano Pharma, Inc. and BMR-34790 Ardentech Court LP (incorporated by

reference to Exhibit 10.10 to the registrant’s Registration Statement on Form S-1  filed with the Commission on June 24, 2014)

   Second Amendment to Lease, dated October 16, 2008, between Zosano Pharma, Inc. and BMR-34790 Ardentech Court LP (incorporated

by reference to Exhibit 10.11 to the registrant’s Registration Statement on Form S-1 filed with the Commission on June 24, 2014)

   Third Amendment to Lease, dated April 29, 2011, between Zosano Pharma, Inc. and BMR-34790 Ardentech Court LP (incorporated by

reference to Exhibit 10.12 to the registrant’s Registration Statement on Form S-1  filed with the Commission on June 24, 2014)

   Fourth Amendment to Lease, dated July 31, 2011, between Zosano Pharma, Inc. and BMR-34790 Ardentech Court LP (incorporated by

reference to Exhibit 10.13 to the registrant’s Registration Statement on Form S-1  filed with the Commission on June 24, 2014)

   Fifth Amendment to Lease, dated April 1, 2012, between Zosano Pharma, Inc. and BMR-34790 Ardentech Court LP (incorporated by

reference to Exhibit 10.14 to the registrant’s Registration Statement on Form S-1  filed with the Commission on June 24, 2014)

   Sixth Amendment to Lease, dated as of June 24, 2015, between ZP Opco, Inc. and BMR-34790 Ardentech Court LP (incorporated by

reference to Exhibit 10.5 to the registrant’s Current Report on Form 8-K  filed with the Commission on June 29, 2015)

   Seventh Amendment to Lease, dated as of May 30, 2017, between ZP Opco, Inc. and BMR-34790 Ardentech Court LP (incorporated by

reference to Exhibit 10.1 to the registrant’s Current Report on Form 8-K  filed with the Commission on June 9, 2017)

Eighth Amendment to Lease entered into as of May 30, 2018 by and between Zosano Pharma Corporation and BMR-34790 Ardentech
Court LP (incorporated by reference to Exhibit 10.4 to the registrant's Quarterly Report on Form 10-Q filed with the Commission on
August 9, 2018)

   ZP Holdings, Inc. 2012 Stock Incentive Plan (incorporated by reference to Exhibit 10.30 to the registrant’s Registration Statement on

Form  S-1 filed with the Commission on June 24, 2014)

   Form of Incentive Stock Option under ZP Holdings, Inc. 2012 Stock Incentive Plan (incorporated by reference to Exhibit 10.31 to the

registrant’s Registration Statement on Form S-1 filed with the Commission on June 24, 2014)

   Form of Non-Statutory Stock Option under ZP Holdings, Inc. 2012 Stock Incentive Plan (incorporated by reference to Exhibit 10.32 to

the registrant’s Registration Statement on Form S-1 filed with the Commission on June 24, 2014)

Zosano  Pharma  Corporation  Amended  and  Restated  2014  Equity  and  Incentive  Plan,  as  amended  May  31,  2018  (incorporated  by
reference to Exhibit 10.1 to the registrant's Current Report on Form 8-K filed with the Commission on June 5, 2018)

Form of Zosano Pharma Corporation Incentive Stock Option Award Agreement (incorporated by reference to Exhibit 10.1 to the
registrant’s Quarterly Report on Form 10-Q filed with the Commission on August 6, 2020)

Form  of  Zosano  Pharma  Corporation  Nonstatutory  Stock  Option  Award  Agreement  (incorporated  by  reference  to  Exhibit  10.2  to  the
registrant's Quarterly Report on Form 10-Q filed with the SEC on August 6, 2020)

Form of Zosano Pharma Corporation Restricted Stock Unit Award Agreement (incorporated by reference to Exhibit 10.3 to the
registrant’s Quarterly Report on Form 10-Q filed with the Commission on August 6, 2020)

Purchase  Order  by  and  between  Zosano  Pharma  Corporation  and  Harro  Hoflinger  Packaging  System  (incorporated  by  reference  to
Exhibit 10.1 to the Company's Current Report on Form 8-K filed with the Commission on August 6, 2018)

Purchase  Order  #9186,  dated  as  of  February  14,  2019  between  Zosano  Pharma  Corporation  and  Harro  Hofliger  Packaging  Systems
(incorporated by reference to Exhibit 10.1 to the registrant's Quarterly Report on Form 10-Q filed with the SEC on May 14, 2019)

Change Order by and between Zosano Pharma Corporation and Harro Hofliger Packaging System (incorporated by reference to Exhibit
10.17 to the registrant's Annual Report of Form 10-K filed with the SEC on March 13, 2020)

10.17**

Manufacturing and Supply Agreement, dated September 25, 2018 with Patheon Manufacturing Services LLC. (Incorporated by reference
to Exhibit 10.7 to the registrant's current report on Form 10-Q filed with the SEC on November 15, 2018).

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10.18

10.19

10.20

10.21

10.22

10.23

10.24

10.25

10.26

10.27

10.28

10.29#

10.30#

10.31#

10.32#

10.33#

10.34#

10.35#

10.36

Business Understanding Agreement, dated September 13, 2018, by and between the Company and CSP Technologies, Inc. (incorporated
by reference to Exhibit 10.1 to the registrant’s Current Report on Form 8-K filed with the Commission on August 6, 2020)

Amendment No. 1 to Business Understanding Agreement, dated July 31, 2020, by and between the Company and CSP Technologies,
Inc. (incorporated by reference to Exhibit 10.2 to the registrant’s Current Report on Form 8-K filed with the Commission on August 6,
2020)

Master Services Agreement, dated August 6, 2020, by and between the Company and Eversana Life Science Services, LLC
(incorporated by reference to Exhibit 10.3 to the registrant’s Quarterly Report on Form 10-Q filed with the Commission on November
13, 2020)

Form  of  Securities  Purchase  Agreement,  dated  as  of  March  4,  2020,  between  Zosano  Pharma  corporation  and  certain  investors
(incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed with the Commission on March 6, 2020)

Sales Agreement, dated as of June 8, 2020, by and between Zosano Pharma Corporation and BTIG, LLC (incorporated by reference to
Exhibit 10.1 to the registrant's Current Report on Form 8-K filed with the Commission on June 8, 2020)

Master Lease Agreement, dated September 25, 2018, with Trinity Capital Fund III, L.P., as amended, together with Equipment Schedule
No. 1-1, dated September 25, 2018, Equipment Schedule No. 1-2, dated December 11, 2018, and Equipment Schedule No. 1-3, dated
June 6, 2019 (incorporated by reference to Exhibit 10.1 to the registrant's Quarterly Report on Form 10-Q filed with the SEC on August
14, 2019)

Trinity Capital Fund III, L.P. Equipment Schedule No. 1-4, dated September 13, 2019. (incorporated by reference to Exhibit 10.1 to the
registrant's Quarterly Report on Form 10-Q filed with the SEC on November 14, 2019)

Trinity Capital Find III, L.P. Equipment Schedule No. 1-5, dated November 27, 2019 (incorporated by reference to Exhibit 10.23 to the
registrant's Annual Report on Form 10-K filed with the SEC on March 13, 2020)

First Amendment to Lease Documents, dated May 27, 2020, by and between the Company and Trinity Funding 1, LLC (incorporated by
reference to Exhibit 10.1 to the registrant's Current Report on Form 8-K filed with the Commission on May 28, 2020)

   Form of Indemnification Agreement for directors associated with an Investment Fund (incorporated by reference to Exhibit 10.15 to the

registrant’s Registration Statement on Form S-1 filed with the Commission on June 24, 2014)

   Form of Indemnification Agreement for directors not associated with an Investment Fund (incorporated by reference to Exhibit 10.16 to

the registrant’s Registration Statement on Form S-1 filed with the Commission on June 24, 2014)

Amended and Restated Employment Agreement dated September 18, 2018 with Donald Kellerman, Pharm D. (incorporated by reference
to Exhibit 10.1 to the registrant's current report on Form 8-K filed with the SEC on September 24, 2018)

Amended  Agreement  dated  October  15,  2018  with  Donald  Kellerman,  Pharm  D.  (incorporated  by  reference  to  Exhibit  10.2  to  the
registrant's current report on Form 8-K filed with the SEC on October 16, 2018)

Amended  and  Restated  Employment  Agreement  dated  September  18,  2018  with  Hayley  Lewis  (Incorporated  by  reference  to  Exhibit
10.2 to the registrant's current report on Form 8-K filed with the SEC on September 24, 2018)

Amended Agreement dated October 15, 2018 with Hayley Lewis (incorporated by reference to Exhibit 10.3 to the registrant's current
report on Form 8-K filed with the SEC on October 16, 2018)

CEO Transition Letter Agreement dated October 7, 2019 with John Walker (incorporated by reference to Exhibit 10.1 to the Company’s
Current Report on Form 8-K filed with the Commission on October 8, 2019)

Employment  Letter  Agreement  dated  October  5,  2019  with  Steven  Lo  (incorporated  by  reference  to  Exhibit  10.2  to  the  Company’s
Current Report on Form 8-K filed with the SEC on October 8, 2019)

Employment Letter Agreement dated April 30, 2020, with Christine Matthews (incorporated by reference to Exhibit 10.1 to the
registrant’s Current Report on Form 8-K filed with the Commission on May 1, 2020)

Note dated April 21, 2020 (incorporated by reference to Exhibit 10.1 to the registrant’s Current Report on Form 8-K filed with the
Commission on April 23, 2020)

10.37#*

Zosano Pharma Corporation Non-Employee Director Compensation Program

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Index to Financial Statements

16.1

23.1*

31.1*

31.2*

32.1†

Letter to the U.S. Securities and Exchange Commission, dated May 31, 2019, from Marcum LLP (incorporated by reference to Exhibit
16.1 to the Company’s Current Report on Form 8-K filed with the SEC on May 31, 2019)

Consent of Independent Registered Public Accounting Firm

   Certification  of  Chief  Executive  Officer  pursuant  to  rules  13a-14(a)  and  15d-14(a)  under  the  Securities  Exchange  Act  of  1934,  as

amended

   Certification  of  Chief  Financial  Officer  pursuant  to  rules  13a-14(a)  and  15d-14(a)  under  the  Securities  Exchange  Act  of  1934,  as

amended

   Certification of Chief Executive Officer and Chief Financial Officer, as required by rules 13a-14(a) and 15d-14(a) and Section 1350 of

Chapter 63 of Title 18 of the United States Code (18 U.S.C. 1350)

101.INS*

   Inline XBRL Instance Document

101.SCH*

   Inline XBRL Taxonomy Extension Schema Document

101.CAL*

   Inline XBRL Taxonomy Extension Calculation Linkbase Document

101.DEF*

   Inline XBRL Taxonomy Extension Definition Linkbase Document

101.LAB*

   Inline XBRL Taxonomy Extension Label Linkbase Document

101.PRE*

   Inline XBRL Taxonomy Extension Presentation Linkbase Document

*

**

#

†

104*

Cover Page Interactive Data File (embedded within the Inline XBRL document)

Filed herewith.

Confidential  treatment  has  been  granted  as  to  certain  portions  of  this  exhibit,  which  portions  have  been  omitted  and  filed  separately  with  the
Securities and Exchange Commission.

Management contract or compensatory plan or arrangement.

The certifications attached as Exhibit 32.1 accompany this Annual Report on Form 10-K pursuant to 18 U.S.C. Section 1350, as adopted pursuant
to Section 906 of the Sarbanes-Oxley Act of 2002, and shall not be deemed “filed” by the Registrant for purposes of Section 18 of the Securities
Exchange Act of 1934, as amended.

Item 16. FORM 10-K SUMMARY

None.    

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Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on

its behalf by the undersigned, thereunto duly authorized.

SIGNATURES

ZOSANO PHARMA CORPORATION

By:

/s/ Steven Lo
Steven Lo
Chief Executive Officer

Date:

  March 11, 2021

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Index to Financial Statements

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints each of Steven Lo and
Christine Matthews his or her true and lawful attorney-in-fact and agent, with full power of substitution, for him or her and in his or her name, place and
stead, in any and all capacities, to sign any and all amendments to this annual report on Form 10-K, and to file the same, with all exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority
to do and perform each and every act and thing requisite and necessary to be done in connection therewith, as fully to all intents and purposes as he or she
might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitutes or substitute, may lawfully do
or cause to be done by virtue hereof.

IN WITNESS WHEREOF, each of the undersigned has executed this Power of Attorney as of the date indicated opposite his or her name.

Pursuant  to  the  requirements  of  the  Securities  Exchange  Act  of  1934,  this  report  has  been  signed  below  by  the  following  persons  on  behalf  of  the

registrant and in the capacities and on the dates indicated.

Signature

/s/ Steven Lo
Steven Lo

Title

     Chief Executive Officer (Principal

Executive Officer)

Date

March 11, 2021

/s/ Christine Matthews
Christine Matthews

     Chief Financial Officer (Principal Financial Officer and Principal

Accounting Officer)

March 11, 2021

/s/ John Walker
John Walker

/s/ Steven A. Elms
Steven A. Elms

/s/ Linda S. Grais
Linda S. Grais

/s/ Kenneth R. Greathouse
Kenneth R. Greathouse

/s/ Joseph P. Hagan
Joseph P. Hagan

/s/ Kleanthis G. Xanthopoulos
Kleanthis G. Xanthopoulos

     Chairman of the Board of Directors

     Director

     Director

     Director

     Director

     Director

115

March 11, 2021

March 11, 2021

March 11, 2021

March 11, 2021

March 11, 2021

March 11, 2021

 
    
  
  
  
  
  
  
  
  
  
Zosano Pharma Corporation
Non-Employee Director Compensation Program

This Zosano Pharma Corporation (the “Company”) Non-Employee Director Compensation Program (this “Program”) has been
adopted and shall be effective as of March 4, 2021 (the “Effective Date”). The cash and equity compensation described in this
Program  shall  be  paid  or  be  made,  as  applicable,  automatically  and  without  further  action  of  the  Board  of  Directors  of  the
Company (the “Board”), to each member of the Board who is not an employee of the Company or any parent or subsidiary of the
Company (each, a “Non-Employee Director”)  unless  such  Non-Employee  Director  declines  the  receipt  of  such  cash  or  equity
compensation  by  written  notice  to  the  Company  prior  to  the  first  day  of  the  calendar  year  with  respect  to  which  such
compensation is scheduled to be earned, or, in the case of a Non-Employee Director who first becomes eligible to participate in
the Program, within the first 30 days of such eligibility. The notice shall be effective for such compensation and all subsequent
compensation unless otherwise agreed in writing between the Company and the Non-Employee Director.

Cash Compensation

Annual retainers will be paid in the following amounts to Non-Employee Directors:

Non-Employee Director:

Non-Executive Chair of the Board of Directors:
Lead Independent Director:

Audit Committee Chair:

Compensation Committee Chair:
Nominating and Corporate Governance Committee Chair:

Audit Committee Member (non-Chair):

Compensation Committee Member (non-Chair):

Nominating and Corporate Governance Committee Member (non-Chair):

$45,000

$30,000
$10,000

$15,000

$11,000
$8,000

$7,500

$5,500

$4,000

All annual retainers will be paid in cash quarterly in arrears promptly following the end of the applicable calendar quarter, but in
no  event  more  than  30  days  after  the  end  of  such  quarter.  In  the  event  a  Non-Employee  Director  does  not  serve  as  a  Non-
Employee Director, or in the applicable positions described above, for an entire calendar quarter, the retainer paid to such Non-
Employee Director shall be prorated for the portion of such calendar quarter actually served as a Non-Employee Director, or in
such position, as applicable.

Equity Compensation

Initial Equity Grant:

Annual Equity Grant:

Each  Non-Employee  Director  who  is  initially  elected  or  appointed  to  serve  on  the
Board  shall  be  granted  under  the  Company’s  Amended  and  Restated  2014  Equity
and  Incentive  Plan  or  any  other  applicable  Company  equity  incentive  plan  then-
maintained by the Company (such plan, the “Plan”) an option (the “Initial Option”)
to purchase 90,000 shares of the Company’s common stock (the “Common Stock”).

The  Initial  Option  will  be  automatically  granted  on  the  date  on  which  such  Non-
Employee Director commences service on the Board and will vest as to 25% of the
shares subject thereto on the first anniversary of the date of grant and as to 1/48  of
the shares subject thereto on each monthly anniversary thereafter, subject to the Non-
Employee Director continuing in service to the Company and its subsidiaries through
each vesting date.

th

Each Non-Employee Director who will continue to serve on the Board as of the date
of each annual meeting of the Company’s stockholders (each, an “Annual Meeting”)
shall be granted under the Plan: (i) an option to purchase 30,000 shares of Common
Stock  (the  “Annual  Option”)  and  (ii)  15,000  restricted  stock  units  (the  “Annual
RSUs”). Notwithstanding the foregoing, the number of shares subject to each of the
Annual  Option  and  the  Annual  RSUs  granted  to  any  Non-Employee  Director  who
commenced  service  during  the  12  months  preceding  the  Annual  Meeting  shall  be
multiplied  by  a  fraction,  the  numerator  of  which  is  the  number  of  whole  months
elapsed between the date of such Non-Employee Director’s election or appointment
and the date of the Annual Meeting and the denominator of which is 12, and rounded
down to the nearest whole share.

The Annual Option and the Annual RSUs will be automatically granted on the date
of the applicable Annual Meeting, and will vest in full upon the earlier of (i) the first
anniversary of the date of grant and (ii) immediately prior to the Annual Meeting that
occurs following the date of grant, subject to the Non-Employee Director continuing
in service to the Company and its subsidiaries through such vesting date.

The per share exercise price of each Initial Option and Annual Option granted to a Non-Employee Director shall equal the Fair
Market Value (as defined in the Plan) of a share of Common Stock on the date the option is granted.

2

The term of each option granted to a Non-Employee Director shall be ten years from the date the option is granted.

No portion of an Initial Option, Annual Option or Annual RSUs which is unvested or, as applicable, unexercisable at the time of
a Non-Employee Director’s termination of service with the Company (as determined by the Board) shall become vested and, as
applicable, exercisable thereafter. Any Initial Option, Annual Option or Annual RSUs granted hereunder shall be subject to the
Plan and the applicable standard form of award agreement thereunder, as modified to reflect the terms herein.

Members  of  the  Board  who  are  employees  of  the  Company  or  any  parent  or  subsidiary  of  the  Company  who  subsequently
terminate their service with the Company and any parent or subsidiary of the Company and remain on the Board will not receive
an Initial Option, but to the extent that they are otherwise eligible, will be eligible to receive, after termination from service with
the Company and any parent or subsidiary of the Company, Annual Options and Annual RSUs as described above.

Change in Control

Upon a Change in Control (as defined in the Plan), all outstanding equity awards that are held by a Non-Employee Director shall
become fully vested and/or exercisable, irrespective of any other provisions of the Non-Employee Director’s award agreement,
subject to such Non-Employee Director’s continued service as of immediately prior to such Change in Control.

Reimbursements

The  Company  shall  reimburse  each  Non-Employee  Director  for  all  reasonable,  documented,  out-of-pocket  travel  and  other
business  expenses  incurred  by  such  Non-Employee  Director  in  the  performance  of  his  or  her  duties  to  the  Company  in
accordance with the Company’s applicable expense reimbursement policies and procedures as in effect from time to time.

Miscellaneous

The  other  provisions  of  the  Plan  shall  apply  to  the  options  and  restricted  stock  units  granted  automatically  pursuant  to  this
Program, except to the extent such other provisions are inconsistent with this Program. All applicable terms of the Plan apply to
this Program as if fully set forth herein, and all grants of options and restricted stock units hereby are subject in all respects to the
terms  of  the  Plan.  The  grant  of  any  option  or  award  of  restricted  stock  units  under  this  Program  shall  be  made  solely  by  and
subject to the terms set forth in a written agreement in a form approved by the Board and duly executed by an executive officer of
the Company.

3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statements on Form S-3 (File No. 333-213567, 333-229686 and 333-237187) and
Form S-8 (File Nos. 333-203039, 333-218502, 333-225527, 333-233284 and 333-239100) of our report (which includes an emphasis of matter paragraph
as to the Company’s ability to continue as a going concern) dated March 11, 2021, relating to the financial statements of Zosano Pharma Corporation as of
December 31, 2020 appearing in the Annual Report on Form 10-K for the year ended December 31, 2020.

Exhibit 23.1

By:

/s/ Deloitte & Touche LLP

  Deloitte & Touche LLP

  San Francisco, CA

  March 11, 2021

 
CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER PURSUANT TO EXCHANGE ACT RULE 13a-14(a) AND 15d-14(a) AS
ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY
ACT OF 2002

Exhibit 31.1

I, Steven Lo, certify that:

1.    I have reviewed this Annual Report on Form 10-K of Zosano Pharma Corporation;

2.    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;

3.    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 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)        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 is made known to us by others within those entities, particularly during the period
in which this report is being prepared;

(b)    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;

(c)    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

(d)    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 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)       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

(b)    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 11, 2021

By:

/s/ Steven Lo

Steven Lo
Chief Executive Officer
(Principal Executive Officer)

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER PURSUANT TO EXCHANGE ACT RULE 13a-14(a) AND 15d-14(a) AS
ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 31.2

I, Christine Matthews, certify that:

1.    I have reviewed this Annual Report on Form 10-K of Zosano Pharma Corporation;

2.    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;

3.    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 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)    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, is made known to us by others within those entities, particularly during the period
in which this report is being prepared;

(b)    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;

(c)    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

(d)    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 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)    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

(b)    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 11, 2021

By:

/s/ Christine Matthews

Christine Matthews
Chief Financial Officer
(Principal Financial and Principal Accounting Officer)

Exhibit 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER AND PRINCIPAL FINANCIAL OFFICER PURSUANT TO
18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, Steven Lo, the Chief Executive Officer

of Zosano Pharma Corporation (the “Company”), and Christine Matthews, the Chief Financial Officer of the Company, hereby certify that, to their
knowledge:

1.    The Annual Report on Form 10-K for the year ended December 31, 2020 of the Company (the “Report”) fully complies with the requirements of

Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2.    The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: March 11, 2021

By:

/s/ Steven Lo

Steven Lo
Chief Executive Officer
(Principal Executive Officer)

Date: March 11, 2021

By:

/s/ Christine Matthews

Christine Matthews
Chief Financial Officer
(Principal Financial and Principal Accounting Officer)