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Biocept

bioc · NASDAQ Healthcare
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FY2019 Annual Report · Biocept
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 10-K

(Mark One)
☒

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

For the fiscal year ended December 31, 2019

OR

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

FOR THE TRANSITION PERIOD FROM                      TO                      

Commission File Number: 001-36284

Biocept, Inc.

(Exact name of Registrant as specified in its Charter)

Delaware
(State or other jurisdiction of
incorporation or organization)

5810 Nancy Ridge Drive, San Diego, California
(Address of principal executive offices)

80-0943522
(I.R.S. Employer
Identification No.)

92121
(Zip Code)

Registrant’s telephone number, including area code: (858) 320-8200

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

Title of each class
Common Stock, par value $.0001 per share

Trading Symbol(s)
BIOC

Name of each exchange on which registered
The Nasdaq Stock Market LLC

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    YES  ☐    NO  ☒

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

Indicate by check mark whether the Registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for
such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    YES  ☒    NO  ☐

Indicate by check mark whether the Registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter)
during the preceding 12 months (or for such shorter period that the Registrant was required to submit such files).    YES  ☒    NO  ☐

Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the
definition of “large accelerated filer”, “accelerated filer”, “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act:

Large accelerated filer

Non-accelerated filer

☐

☒  

Accelerated filer

Smaller reporting company

Emerging growth company

☐

☒

☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting
standards provided pursuant to Section 7(a)(2)(B) of the Securities Act.  ☐

Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    YES  ☐    NO  ☒

The aggregate market value of the voting and non-voting common equity held by non-affiliates of the Registrant, based on the closing price of the shares of common stock on The Nasdaq Stock
Market on June 28, 2019, was $25,526,638.

The number of shares of Registrant’s Common Stock outstanding as of March 20, 2020 was 108,707,392.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant’s definitive Proxy Statement for the 2020 Annual Meeting of Stockholders, to be filed with the Securities and Exchange Commission pursuant to Regulation 14A not later than
120 days after the end of the fiscal year covered by this Form 10-K, are incorporated by reference in Part III, Items 10-14 of this Form 10-K. Except for the portions of the Proxy Statement specifically
incorporated by reference in this Form 10-K, the Proxy Statement shall not be deemed to be filed as part hereof.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
TABLE OF CONTENTS

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

 Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities
 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

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

 Exhibits, Financial Statement Schedules
 Form 10-K Summary

Part I
Item 1
Item 1A
Item 1B
Item 2
Item 3
Item 4

Part II
Item 5
Item 6
Item 7
Item 7A
Item 8
Item 9
Item 9A
Item 9B

Part III
Item 10
Item 11
Item 12
Item 13
Item 14

Part IV
Item 15
Item 16

Signatures

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   113  
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CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Annual Report on Form 10-K, or Annual Report, contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933,
as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements included or incorporated by reference in this Annual
Report other than statements of historical fact, are forward-looking statements. You can identify these and other forward-looking statements by the use of
words  such  as  “may,”  “will,”  “could,”  “anticipate,”  “expect,”  “intend,”  “believe,”  “continue”  or  the  negative  of  such  terms,  or  other  comparable
terminology. Forward-looking statements also include the assumptions underlying or relating to such statements. In addition, statements that “we believe”
and similar statements reflect our beliefs and opinions on the relevant subject. These statements are based upon information available to us as of the date
of this Annual Report, and while we believe such information forms a reasonable basis for such statements, such information may be limited or incomplete,
and  our  statements  should  not  be  read  to  indicate  that  we  have  conducted  an  exhaustive  inquiry  into,  or  review  of,  all  potentially  available  relevant
information. These statements are inherently uncertain and investors are cautioned not to unduly rely upon these statements.

Our actual results could differ materially from those anticipated in these forward-looking statements as a result of various factors, including those set forth
below  under  the  caption  “Risk  Factors”  in  Part  I,  Item  1A  and  “Management’s  Discussion  and  Analysis  of  Financial  Condition  and  Results  of
Operations” in Part II, Item 7 of this Annual Report and elsewhere in this Annual Report. Moreover, we operate in an evolving environment. New risk
factors and uncertainties emerge from time to time and it is not possible for us to predict all risk factors and uncertainties, nor can we assess the impact of
all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in
any forward-looking statements. Readers are cautioned not to place undue reliance on forward-looking statements. The forward-looking statements speak
only as of the date on which they are made and we undertake no obligation to update such statements to reflect events that occur or circumstances that
exist after the date on which they are made except as required by law. Readers should, however, review the factors and risks we describe in this Annual
Report and in the reports we subsequently file from time to time with the Securities and Exchange Commission, or the SEC.

2

 
 
Item 1. Business

Overview

PART I

We  are  an  early  stage  molecular  oncology  diagnostics  company  that  develops  and  commercializes  proprietary  circulating  tumor  cell,  or  CTC,  and
circulating tumor DNA, or ctDNA, assays utilizing a standard blood sample, or “liquid biopsy.” Our current and planned assays are intended to provide
information  to  aid  healthcare  providers  to  identify  specific  oncogenic  alterations  that  may  qualify  a  subset  of  cancer  patients  for  targeted  therapy  at
diagnosis,  show  progression  or  be  used  for  monitoring  in  order  to  identify  specific  resistance  mechanisms.  Sometimes  traditional  procedures,  such  as
surgical  tissue  biopsies,  result  in  tumor  tissue  that  is  insufficient  and/or  unable  to  provide  the  molecular  subtype  information  necessary  for  clinical
decisions. Our assays, performed on blood, have the potential to provide more contemporaneous information on the characteristics of a patient’s disease
when compared with tissue biopsy and radiographic imaging.

Our current assays and our planned future assays focus on key solid tumor indications utilizing our Target-SelectorTM liquid biopsy technology platform
for  the  biomarker  analysis  of  CTCs  and  ctDNA  from  a  standard  blood  sample.  Our  patented  Target-Selector™  CTC  platform  assays  are  based  on  an
internally developed microfluidics-based cell capture and analysis platform, with enabling features that change how information provided by CTC testing is
used by clinicians. In January 2020, we announced that our molecular and CTC technologies were validated on cerebral spinal fluid, or CSF, in order to
provide  information  for  patients  with  central  nervous  system,  or  CNS,  tumors  both  primary  and  metastatic.  Our  patented  Target-Selector™  molecular
technology enables detection of mutations and genome alterations with enhanced sensitivity and specificity, and is applicable to nucleic acid from ctDNA,
and could potentially be validated for other sample types such as bone marrow, or tissue (surgical resections and/or biopsies). Our Target-Selector™ CTC
and molecular platforms provide both biomarker detection as well as monitoring capabilities and require only a patient blood sample. In January 2019, we
began  offering  research  use  only,  or  RUO,  liquid  biopsy  kits  containing  our  patented  and  proprietary  Target  SelectorTM  testing  to  laboratories  and
researchers worldwide.

At  our  corporate  headquarters  facility  located  in  San  Diego,  California,  we  operate  a  clinical  laboratory  that  is  certified  under  the  Clinical  Laboratory
Improvement  Amendments  of  1988,  or  CLIA,  and  accredited  by  the  College  of  American  Pathologists,  or  CAP.  We  also  performed  the  research  and
development that led to our current assays, and continue to perform for our planned assays, at this same facility. In addition, we currently manufacture our
microfluidic channels and various chemistries utilized in our testing process, however, we have identified and have been working with a manufacturer to
outsource certain manufacturing activities in the near term to reduce costs and improve efficiency. The assays we offer and intend to offer are classified as
laboratory developed tests, or LDTs, under CLIA regulations. CLIA certification is required before any clinical laboratory, including ours, may perform
testing on human specimens for the purpose of obtaining information for the diagnosis, prevention, or treatment of disease or the assessment of health. In
addition,  we  participate  in  and  have  received  CAP  accreditation,  which  includes  rigorous  bi-annual  laboratory  inspections  and  requires  adherence  to
specific quality standards.

Our primary sales strategy is to engage medical oncologists and other physicians in the United States at private and group practices, hospitals, laboratories
and cancer centers. In addition, we market our clinical trial and research services to pharmaceutical and biopharmaceutical companies and clinical research
organizations. Additionally, our pathology partnership program, branded as Empower TCTM, provides the unique ability for pathologists to participate in
the  interpretation  of  liquid  biopsy  results  and  is  available  to  pathology  practices  and  hospital  systems  throughout  the  United  States.  Further,  sales  to
laboratory  supply  distributors  of  our  patented  blood  collection  tubes,  or  BCTs,  commenced  in  June  2018,  which  allow  for  the  intact  transport  of  liquid
biopsy samples for research use only from regions around the world.

Our revenue generating efforts are focused in three areas:

•

•

providing laboratory services to medical oncologists, surgical oncologists, urologists, pulmonologists, pathologists and other physicians who
use the biomarker information we provide in order to determine the best treatment plan for their patients;

providing laboratory services utilizing both our CTC and ctDNA testing in order to help pharmaceutical and biopharmaceutical companies
developing drug candidate therapies to treat cancer; and

3

 
 
 
•

licensing and/or selling our proprietary testing and/or technologies, including our BCTs, to partners in the United States and abroad.

We plan to grow our business by directly offering medical oncologists, surgical oncologists, pulmonologists, pathologists and other physicians our Target-
Selector™ liquid biopsy CTC and molecular assays. Based on our product development data, as well as discussions with our collaborators, we believe that
our  planned  future  assays  should  provide  important  information  and  clinical  value  to  physicians.  In  particular,  CTC  and  ctDNA  assays  could  deliver
important,  actionable  information  not  provided  by  other  assays.  For  example,  the  historic  clinical  CTC  test  is  the  United  States  Food  and  Drug
Administration,  or  FDA,  approved  CellSearch®  test,  which  provides  CTC  enumeration,  but  is  not  FDA  approved  to  perform  biomarker  analysis.  We
believe  our  ability  to  rapidly  translate  research  insights  about  the  utility  of  cytogenetic,  immunocytochemical  and  molecular  biomarkers  to  provide
information  to  medical  oncologists,  surgical  oncologists,  urologists,  pulmonologists,  pathologists  and  other  physicians  for  treatment  decisions  in  the
clinical setting will improve patient treatment and management, and that these assays will become a key component of the standard of care for personalized
cancer treatment.

Market Overview

Cancer Market Overview

Despite many advances in the treatment of cancer, it remains one of the greatest areas of unmet medical need. According to the World Cancer Report 2020,
cancers figure among the leading causes of morbidity and mortality worldwide, and according to the World Health Organization, there were approximately
18.1 million new cases and 9.6 million cancer related deaths in 2018. The number of new cases is also expected to rise by approximately 70% over the next
two  decades.  According  to  the  World  Health  Organization,  the  most  common  causes  of  cancer  death  are  cancers  of  the  lung  (21%),  liver  (10%),  colon
(9%), stomach (9%), and breast (7%). The incidence of, and deaths caused by, the major cancers are staggering, with over 3.9 million patients who have
had  a  diagnosis  of  these  cancers  and  are  either  living  with  these  diseases  and  are  undergoing  treatment  or  are  being  monitored.  For  example,  in  breast
cancer,  many  women  have  been  deemed  cancer-free,  but  continue  to  undergo  periodic  monitoring  to  assure  there  has  been  no  disease  recurrence.  Our
commercialized assays and our other planned future assays only require a readily accessible standard blood sample and thus may be used to help manage
these patients, including supporting the selection of appropriate treatment, at multiple time points during the course of their disease. Because our assays
require only a standard blood sample, they can be particularly useful when there is no currently available biopsy or surgical material, as is often the case in
lung cancer, even at the time of initial evaluation. This is also the case with breast and lung cancers once surgical resection of the tumor has taken place and
treatment has been initiated. Patients with breast and lung cancer must often undergo surgical resection of their primary tumor as part of their treatment.
Therefore,  at  the  time  of  progression  or  recurrence  there  may  be  no  ability  to  obtain  a  tissue  biopsy.  Additionally,  many  studies  have  shown  that  most
tumors mutate during treatment and as the disease progresses, so information from the initial tumor tissue may not be relevant. Again, a significant benefit
of  our  technology  is  that  it  allows  physicians  to  assess  the  current  status  of  the  tumors  on  a  real-time  basis  utilizing  a  standard  blood  sample  or  liquid
biopsy.

The  following  data  published  by  the  National  Cancer  Institute  and  American  Cancer  Society’s  shows  estimated  new  cases  and  deaths  for  2019,  and
prevalence in 2019, in the United States for the major solid cancer types:

Cancer Type
Bladder
Breast
Cervical
Colorectal
Uterine/Cervix
Renal/Pelvis
Lung
Melanoma
Ovarian
Pancreatic
Prostate
Thyroid

Est. Incidence
(New Cases/Year-
2019)

Est. Mortality
(Deaths/Year-2019)

Est. Prevalence
(Diagnosed and
Alive as of 2019)*

80,470     
271,270     
13,170     
145,660     
61,380     
73,820     
228,150     
96,480     
22,530     
56,770     
174,650     
52,070     

4

17,670     
42,260     
4,250     
51,020     
10,920   
14,770   
142,620     
7,239     
15,082     
45,790     
31,620     
2,170     

624,490 
3,861,520 
283,120 
1,544,770 
283,120 
569,570 
571,340 
2,028,750 
249,230 
68,615 
3,650,030 
705,050 

 
 
 
   
   
 
   
   
   
   
   
   
   
   
   
   
   
   
 
*

American Cancer Society’s Cancer Treatment & Survivorship Facts & Figures 2019-2021

In addition to the human toll, the financial cost of cancer is overwhelming. An independent study published in 2010 and conducted jointly by the WHO
ranked  cancer  as  the  most  economically  devastating  cause  of  death  in  the  world  -  estimated  to  be  as  high  as  $1.14  trillion  globally.  According  to  the
National Cancer Institute, the direct cost of cancer care in the United States 2030 is forecasted to be $158 billion.

Cancer is a Heterogeneous Disease

Cancer constitutes a heterogeneous class of diseases, characterized by uncontrolled cell growth that results from a combination of both environmental and
hereditary risk factors. Many different tissue types can become malignant, such as breast, lung, liver, and skin, and even within a particular tumor there is
heterogeneity, with certain cancer cells in a patient bearing specific cellular or genetic biomarkers which others lack. Only in recent years has technology
progressed sufficiently to enable researchers to understand many cancers at a cellular and molecular level, attribute specific cancers to associated genetic
changes, and determine the extent to which these changes are seen in a patient’s tumor.

Cancer cells contain genetic alterations compared to normal human cells. Common genetic abnormalities correlated to cancer include gains or losses of
genetic  material  on  specific  chromosomal  regions,  or  loci,  or  changes  in  specific  genes,  or  mutations,  which  ultimately  result  in  detrimental  cellular
changes  followed  by  cancerous  or  pre-cancerous  conditions.  For  example,  multiple  gains  or  losses  on  various  chromosomes,  and  the  rearrangement  of
genetic material among chromosomes, or chromosomal translocations, have been observed in different cancer types, such as HER2 in breast cancer and
ALK rearrangements in NSCLC. In addition, mutations within gene sequences, or single nucleotide variations, can give rise to aberrant proteins that do not
perform  their  functions  correctly,  leading  to  uncontrolled  cell  growth.  Such  genetic  alterations  can  be  a  result  of  multiple  factors,  including  genetic
predisposition, environmental or lifestyle factors or viral infections. Importantly, these genetic changes or aberrant proteins can be used as biomarkers to
help  guide  appropriate  treatment.  Detecting  these  biomarkers,  particularly  those  representing  drug  targets,  or  those  indicative  of  responsiveness  or
resistance of a tumor’s cells to specific therapies, helps clinicians to select drugs, design treatment regimens and optimize patient care and management.
Assays that provide such predictive information have the potential to dramatically improve treatment outcomes for patients suffering from cancer.

Limitations of Traditional Cancer Diagnostic and Profiling Approaches

Cancer is difficult to diagnose and manage due to its heterogeneity at morphologic, genetic and clinical levels. Traditional methods of diagnosis for solid
tumors,  routinely  used  as  the  initial  step  in  cancer  detection,  involve  a  tissue  biopsy  followed  by  a  pathologist  examining  a  thin  slice  of  potentially
cancerous tissue under a microscope. A recently obtained tissue sample is used in combination with chemical staining techniques to enable analysis of the
biopsy.  After  staining,  the  pathologist  determines  through  visual  inspection  whether  the  biopsy  contains  normal  or  cancerous  cells,  with  those  that  are
deemed cancerous being graded on a level of aggressiveness. Often an analysis of biomarkers relevant to that tumor type is also performed on the tissue,
ranging from IHC to FISH, to mutation analysis by various means such as microarrays and sequencing. After the diagnosis, a clinical workup is performed
according to established guidelines for the specific cancer type. From there, the physician determines the stage of progression of the cancer based on a
series of clinical measures, such as size, grade, metastasis risk, symptoms and patient history, and decides on a treatment plan that may include surgery,
watchful waiting, radiation, chemotherapy, or stem cell transplantation.

This type of analysis is dependent on the availability of a recently obtained tissue biopsy for the pathologist to analyze. Such a biopsy is often not available.
A tumor may not be readily accessible for biopsy, a patient’s condition may be such that a biopsy is not advised, and for routine periodic patient monitoring
to evaluate potential progression or recurrence, a biopsy is a fairly invasive procedure and not typically performed. As the length of time between when the
original biopsy, diagnosis or surgery is conducted to the current evaluation of the patient increases, the likelihood that an original biopsy specimen is truly
representative of the current disease condition declines, as does the usefulness of the original biopsy for making treatment decisions. This risk intensifies in
situations where a drug therapy is being administered, because the drug can put selective pressure on the tumor cells to adapt and change.

Similarly, the heterogeneity referred to above means that different parts or areas of the same tumor can have different molecular features or properties. In
evaluating a biopsy specimen, the pathologist will take a few thin slices of the tumor for microscopic review rather than exhaustively analyzing the whole
tumor mass. The pathologist can only report on the tumor

5

sections analyzed and if other parts of the tumor have different features, such as biomarkers corresponding to specific treatments, they can be missed. A
more representative analysis of the entire tumor, as well as any metastases if they are present, is very helpful.

CTCs, ctDNA and Cancer

CTCs are cancer cells that have detached from the tumor matrix and entered the patient’s blood or other bodily fluids. These cells are representative of the
tumor and its metastases and can function as their surrogates. Testing CTCs can complement pathologic information drawn from a biopsy or resected tissue
sample, helping to ensure that the analysis is comprehensive and not biased by tumor heterogeneity and sampling issues. They can also provide critical data
when  a  biopsy  is  not  possible.  Clinical  studies  have  demonstrated  that  the  presence  and  number  of  CTCs  provides  information  on  the  likely  course  of
certain types of disease for the cancer patient, or in other words they are considered “prognostic.” Since CTCs are representative of the tumor, they can also
be  used  for  biomarker  analysis,  such  as  helping  to  guide  therapy  selection.  Such  analyses  are  “predictive”  in  that  they  offer  insight  into  the  likely
responsiveness or resistance to particular therapies. After surgery and during any subsequent therapy or monitoring period, blood samples can periodically
be drawn in a standard manner and analyzed to evaluate a therapy’s continuing effectiveness, as well as to detect other biomarkers such as new genetic
mutations  that  may  arise  as  a  result  of  selection  pressure  by  a  particular  therapy  or  by  chance.  Physicians  can  use  this  information  to  determine  which
therapy  is  most  likely  to  benefit  their  patients  at  particular  times  through  the  course  of  their  disease.  Treatment  decisions  based  on  patient-specific
information  are  the  foundation  of  personalized  medicine,  and  assays  that  guide  a  physician  in  the  selection  of  individualized  therapy  for  a  patient  are
termed “predictive assays.”

ctDNA is nucleic acid that is released into blood by dying tumor cells. Cell death occurs in all tissues, especially those that are rapidly dividing, and in
cancer, where cell growth is not only rapid but also uncontrolled. Parts of tumors often outgrow their blood supply, resulting in cell death. Tumor cells
dying as a result of therapy also release nucleic acid into blood. As a consequence, ctDNA is common in cancer patients and scientists believe that like
CTCs, it may be more representative of a patient’s entire tumor than a few thin sections from a tissue biopsy, thus reducing the heterogeneity problem.
ctDNA is found in the plasma component of blood and is readily accessible in a standard blood sample. Analyzing ctDNA for mutations that are used as
biomarkers for therapy selection shows great promise. One of the strengths of this approach, in addition to not requiring a tissue biopsy, is that it is not
dependent on capturing rare tumor cells from blood to provide a sample for testing. The difficulty with this approach is that the cellular context is lost since
the ctDNA is mixed with a much larger amount of circulating DNA from normal cells that are continuously dying and being replaced in the body, thus
making  analysis  challenging.  This  requires  a  mutation  detection  methodology  with  enhanced  sensitivity  and  specificity,  to  distinguish  mutations  in
particular gene regions in cancer cells from the normal gene sequence present in those same genes in normal cells which co-exist in blood as normal cells
die and are replaced in the body. Our Target-Selector™ technology provides this necessary sensitivity and specificity and creates an opportunity for ctDNA
analysis to complement CTC analysis, or potentially to serve as the platform for stand-alone assays.

Given  the  incidence  of  cancer  in  the  United  States,  with  an  estimated  1,800,000  new  cases  in  2019  for  the  major  solid  tumors  targeted  by  our  planned
future assay products, the markets for our current and planned future cancer diagnostic assays are very large. Furthermore, these market opportunities are
even greater due to the benefits of CTC and ctDNA testing, including not only the ability to offer physicians a simple way to augment an initial tumor
biopsy analysis but also to provide a means for relatively frequent monitoring of the tumor’s molecular status, utilizing a standard blood sample as a “liquid
biopsy.” The latter application enables the physician to determine if or how a tumor is changing over time or is responding to therapy and what the next
treatment should be. For example, in the United States, the incidence of new cases of breast cancer alone is estimated to be over 271,000 in 2019, and the
prevalence of this disease is over 2.8 million (the number of women with a history of breast cancer in the United States, including women being treated and
women who have finished treatment), with an estimated 330,000 lumpectomies performed annually in the United States. Of these lumpectomies, 20% need
to be repeated because on pathological examination it is shown the procedure did not result in “clean margins,” thus suggesting the entire tumor was not
removed, according to a Johns Hopkins report. If a CTC assay were performed at the time of initial diagnosis, at the time of surgery, or in lieu of, or as an
adjunct  to,  a  PET/CT  scan  (as  a  CTC  assay  has  the  potential  to  identify  a  single  tumor  cell  in  a  blood  sample,  while  a  scan  requires  a  tumor  mass  of
millions of cells to be detectable), to monitor disease progression or test for recurrence, thousands of assays, in breast cancer alone, could be performed per
year with still relatively low market penetration.

6

Use of CTC- and ctDNA-Derived Biomarker Data in Cancer Treatment

CTCs and ctDNA are derived from, and are understood to be representative of, a solid tumor and its metastases and can be analyzed as adjuncts to or in
place of the tumor, especially when a recent tumor biopsy is not available. This is also referred to as a liquid biopsy. In theory, almost any analysis that can
be performed on tumor tissue can also be performed on CTCs, while ctDNA, because it is only nucleic acid, is more limited. We have focused our analysis
of CTCs and ctDNA on known biomarkers associated with specific therapies to support treatment decisions and therapy selection made by physicians. The
biomarkers  we  analyze  consist  of  proteins  or  protein  modifications  that  can  be  identified  by  immunocytochemical  means,  cytogenetic  or  chromosomal
aberrations, which are detected by FISH. Gene expression changes or molecular alterations in CTCs or ctDNA are often detected by molecular diagnostic
assays,  including  Target-Selector™  techniques  (ICC/FISH)  and  gene  sequencing.  Specific  examples  include  (i)  for  ICC,  the  detection  of  the  estrogen
receptor protein in breast cancer, indicative of the likely responsiveness to hormonal therapies like tamoxifen, often sold under the trade name Nolvadex®,
(ii) for FISH, the presence of an amplified HER2 gene in breast cancer, indicative of the likely responsiveness to HER2-targeted agents like trastuzumab,
often  sold  under  the  trade  name  Herceptin®,  and  (iii)  for  mutation  detection,  the  presence  of  an  EGFR  activating  mutation  in  NSCLC  like  L858R,
indicative  of  the  likely  responsiveness  to  EGFR-targeted  agents  like  Tarceva®.  All  of  these  biomarkers  are  currently  tested  on  tumor  tissue  and  can  be
tested on CTCs, and in the latter case on ctDNA. The resulting information could then be used to guide patient care, and specifically treatment selection.

To  date,  these  types  of  molecular  and  genetic  detection  methods  have  been  successfully  utilized  to  provide  predictive  information  for  several  cancers
including breast, colon, NSCLC, melanoma and others in the form of companion diagnostics, typically performed on tumor tissue. CTC and ctDNA assays,
which analyze the same biomarkers in a more convenient standard blood sample test that also permits periodic monitoring, could be used in the same way.

Our Business Strategy

We  provide  medical  oncologists,  surgical  oncologists,  pulmonologists,  urologists,  integrated  oncologists,  naturopathic  doctors,  pathologists  and  other
physicians  with  a  means  to  profile  and  characterize  the  genomic  alterations  of  their  patients’  tumors  by  analyzing  CTCs  and  ctDNA  found  in  standard
blood  draws.  Biomarkers  are  currently  detected  and  analyzed  primarily  in  tissue  biopsy  specimens.  We  believe  that  our  technology,  which  not  only
provides  information  on  CTC  enumeration  but  also  the  assessment  of  treatment-associated  biomarkers  identified  within  the  CTCs  or  in  ctDNA,  will
provide  information  to  physicians  that  improves  patient  treatment  and  management  and  will  become  a  key  component  of  the  standard  of  care  for
personalized cancer treatment.

Our approach is to develop and commercialize CTC and ctDNA assays and services that enable us to offer standard blood sample based, real-time testing
solutions  for  a  range  of  solid  tumor  types  to  oncologists  that  improve  patient  treatment  with  better  prognostic  and  predictive  tools.  To  achieve  this,  we
intend to:

•

•

•

Develop and commercialize a portfolio of proprietary CTC and ctDNA assays to enable physicians to develop personalized treatment plans. We
intend to continue the development of additional assays and to provide information that is essential to personalized cancer treatment. By including
predictive information on biomarkers associated with specific therapies in our analysis in addition to CTC enumeration, our assays are designed to
provide  a  more  complete  profile  of  a  patient’s  disease  than  existing  CTC  tests.  The  biomarker  information  will  assist  physicians  in  selecting
appropriate  therapies  for  individual  patients.  Our  ctDNA  assays  are  expected  to  offer  enhanced  sensitivity  and  specificity  based  on  the  Target-
Selector™ technology, enabling earlier detection of therapy-associated mutation targets or resistance markers, to support treatment decisions. We
have launched our Target-Selector™ offering in a number of key indications such as breast cancer, lung cancer, gastric cancer, colorectal cancer,
and prostate cancer, which are performed in our CLIA-accredited testing facility. We plan to perform the necessary validation studies to allow us to
commercialize these assays through our clinical laboratory.

Scale our sales and marketing capabilities. Our direct sales force with specialized experience in cancer diagnostic testing focuses on key identified
territories  in  order  to  provide  geographic  coverage  throughout  the  United  States.  At  December  31,  2019,  we  had  10  sales  representatives,  and
depending on our assay volume, potentially grow this number to 20 to 25 sales representatives.  This team will educate physicians directly on the
benefits  of  our  assays  and  the  clinical  data  supporting  them,  as  well  as  provide  support  to  and  serve  as  technical  specialists  for  our  partners.  In
addition to our internal efforts, we are actively seeking commercial partnerships that can increase our market reach.

Develop and expand our collaborations with leading university hospitals and research centers. We collaborate with key thought leaders, physicians
and clinical researchers, including those at Sarah Cannon Research Institute, University of Colorado, the University of California, San Diego, the
John Wayne Cancer Institute, Columbia University, Johns

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•

•

•

•

•

Hopkins Medical Institute, MD Anderson Cancer Center, Dana Farber Cancer Center, St Luke’s Health System, Vanderbilt University, University of
Texas Southwestern Medical Center, and Georgetown University. Our collaborations enable us to test new technologies, validate the effectiveness
and utility of our planned future assays in a clinical setting and provide us access to clinically well-characterized and highly annotated patient data.
These samples and data accelerate our validation process and facilitate the testing and refinement of our planned new assays.

Enhance  our  efforts  in  reaching  and  educating  medical  oncologists,  surgical  oncologists,  urologists,  pulmonologists,  pathologists  and  other
physicians about CTC and ctDNA assays. According to the State of Cancer Care in America 2014 Report, published in the Journal of Oncology
Practice  in  March  2014,  there  were  approximately  13,400  medical  oncologists  in  the  United  States  or  16,500  if  gynecologic  and  pediatric
oncologists are included. With the support of our key thought leader collaborators, we intend to focus on medical oncologists, surgical oncologists,
urologists, pulmonologists, pathologists and other physicians who treat cancer patients by targeting our sales and marketing efforts on this important
customer  segment.  We  believe  this  will  expand  and  optimize  the  oncology  testing  services  and  personalization  of  cancer  treatment  provided  by
medical  oncologists,  surgical  oncologists,  urologists,  pulmonologists,  pathologists  and  other  physicians  so  that  they  can  better  serve  their  cancer
patients.

Increase  our  efforts  to  provide  biopharmaceutical  companies  and  clinical  research  organizations  with  our  current  and  planned  CTC  and  ctDNA
assays  and  services.  In  an  effort  to  improve  the  outcome  of  clinical  trials  for  oncology  drugs,  and  more  rapidly  advance  targeted  therapeutics,
pharmaceutical and biopharmaceutical companies are increasingly looking to companies that have cancer diagnostic assays that specifically address
their needs, including the ability to characterize and monitor a patient’s tumor over time using CTC and ctDNA assays to analyze biomarkers of
interest. There are over 5,000 active trials in the United States in breast, lung, colorectal, prostate and gastric cancers and melanoma according to
clinicaltrials.gov. We expect to increase our sales and marketing focus in this business as well as seek additional collaborations and partnerships
with diagnostic, pharmaceutical and biopharmaceutical companies.

Become  an  enabling  technology  to  cancer  targeted  therapies.  Biopharmaceutical  companies  will  increasingly  focus  on  the  personalized  cancer
diagnostic  sector  as  the  potential  and  prevalence  of  molecularly  targeted  oncology  therapies  approved  by  the  FDA  along  with  companion
diagnostics  increases.  As  targeted  therapies  move  into  their  next  phase,  the  market  is  beginning  to  see  next  generation  of  drugs  such  as  Astra
Zeneca’s Tagrisso (Osimertinib) that work after a patient on targeted therapy begin to progress and show a resistance mechanism that is identifiable
/  targetable,  in  this  case  a  mutation  in  EGFR  known  as  T790M.  With  these  drugs,  the  original  biopsy  tissue  would  not  show  the  resistance
mechanism, so the patient must either undergo a re-biopsy procedure. In many cases re-biopsy is not medically feasible and liquid biopsy offers a
more cost effective and safer alternative in this application. Another area of interest for the pharmaceutical industry is in immuno-oncology. This is
the challenge of helping the body to counter the cancer cell’s ability to evade the immune system. Several protein-based tests are being developed in
tissue to work as complimentary or companion diagnostics to these new and promising drugs, but the use of these tests will be limited as a result of
limitations of tissue biopsies. Our solution is to test for these proteins with a liquid biopsy-based CTC test rather than relying on tissue biopsies.

Conduct additional clinical studies with our current CTC and ctDNA assays and assays we plan to introduce in various cancer types. Clinical utility
and validation studies for our planned ctDNA assays may rely on archived plasma or blood samples from clinical trials in which patient outcomes
are already available, in a retrospective-prospective design that significantly shortens the length of such studies.

Continue to enhance our current and planned future CTC and ctDNA assays and reduce the costs associated with providing them through internal
research  and  development  and  partnering  with  leading  technology  developers  and  reagent  suppliers.  We  intend  to  work  closely  with  select  key
technology  developers  and  suppliers  to  further  automate  the  optical  interpretation  of  our  current  assays  and  our  planned  additional  CTC  assays,
including enumeration, immunocytochemical biomarker staining and FISH. We have and currently utilize an automation system that significantly
reduces  the  hands-on  time  of  our  cytogenetic  technologists  for  microfluidic  channel  analysis  while  increasing  the  uniformity  of  the  data  we
generate. This system is also expected to provide the ability to evaluate multiple fluorescent signals of different wavelengths simultaneously for
multiplexed analysis, further enhancing efficiency.

Our Competitive Advantages

We believe that the competitive advantages of our molecular assays, including our assays which are still under development, would include the following.

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Our current Target-Selector molecular assays enable, and we anticipate our planned future CTC and ctDNA assays will each enable, detailed analysis of a
patient’s cancer utilizing a standard blood sample, facilitating testing at any time, including when a biopsy is not available or inconclusive, offering real-
time monitoring of the cancer and the response of the cancer therapy, and allowing medical oncologists, surgical oncologists, pulmonologists, urologists,
integrative oncologists, naturopathic doctors and  pathologists and other physicians to select timely modifications to treatment regimens. Because CTCs
and ctDNA are derived from the primary tumor or its metastases, they function as surrogates for the tumor, with the advantage of being readily accessible
in a standard blood sample. This is especially important in situations where a biopsy is not available or advised. The simplicity of obtaining a standard
blood sample permits repeat testing in a monitoring mode to detect recurrence or progression and to offer information on treatment modifications based on
a current assessment of the cancer’s properties. A key advantage to using Biocept is our ability to interrogate both CTC and ctDNA biomarker targets.

Our  current  Target-Selector  assays  each  provide  and  we  anticipate  our  planned  future  assays  will  each  provide  more  information  than  competitors’
existing tests, as a result of being able to provide biomarker results for both ctDNA and CTCs. We anticipate that such additional biomarker information
will enable a physician to develop a personalized treatment plan. By including biomarker information in our analysis, in addition to CTC enumeration, our
current assays and our planned future assays are designed to provide a more complete profile of a patient’s disease than existing CTC or ctDNA. We intend
for  our  assays  to  contain  actionable  information  to  assist  physicians  in  selecting  appropriate  therapies  for  individual  patients.  Our  ctDNA  assays  are
expected to offer enhanced sensitivity and specificity based on our patented technology, enabling earlier detection of therapy-associated mutation targets or
resistance markers, again supporting treatment decisions.

Our  current  Target-Selector  and  our  planned  future  assays  are  designed  to  capture  and  detect  a  broader  range  of  CTCs  than  existing  tests  and  to  be
applicable to, or quickly modifiable for, a wide range of cancer types. Our antibody capture cocktail includes antibodies targeting not only EpCAM, the
traditional  epithelial  CTC  capture  antigen  utilized  in  the  CellSearch®  system  and  in  other  platforms,  but  also  other  epithelial  antigens  as  well  as
mesenchymal  and  cancer  stem  cell  antigens,  indicative  of  cells  having  undergone  the  epithelial-to-mesenchymal  transition.  These  cells  may  be  more
relevant for metastasis. Our detection methods include cytokeratin staining with a broader range of cytokeratin isotypes than existing CTC tests, and we
have introduced additional staining which would enable detection of cells specifically captured with our antibody cocktail, including EMT cells lacking
cytokeratin. We believe that through our enhanced staining, more CTCs and different types of CTCs will be able to be identified and potentially at earlier
stages of disease, resulting in fewer non-informative cases and more information for physicians.

Our current and planned CTC and ctDNA Target-Selector assays will be flexible and readily configurable to accommodate new biomarkers with clinical
relevance as they are identified. In theory, our platforms permit essentially any analysis that is currently performed on tumor tissue to be performed on
CTCs,  including  immunocytochemical  staining,  FISH  and  molecular  analysis.  As  new  therapies  are  approved,  and  to  the  extent  that  they  are  targeted
therapies  for  which  knowledge  of  a  particular  gene  amplification  event,  mutation  or  presence,  absence  or  modification,  such  as  phosphorylation,  of  a
protein are indicative of likely response or resistance to that therapy, we will be able to include them in our assays with minimal changes. This is attractive
to  pharmaceutical  and  biotechnology  companies  that  are  developing  such  therapies  or  seeking  ways  to  make  their  clinical  trials  more  efficient,  as  this
flexibility enables them to focus on patients more likely to respond to a particular therapy and demonstrate a benefit from that therapy.

Collaborative relationships with physicians at MD Anderson Cancer Center, Yale University, Oregon Health Sciences University, Sarah Cannon Research
Institute,  University  of  Colorado,  the  University  of  California,  San  Diego,  the  University  of  Minnesota,  the  John  Wayne  Cancer  Institute,  Columbia
University,  Johns  Hopkins  Medical  Institute,  Vanderbilt  University,  University  of  Texas  Southwestern  Medical  Center,,  St.  Luke’s  Cancer  Center,  and
Georgetown University.  We  have  worked  closely  with  a  number  of  physicians  at  institutions  on  various  collaborative  projects  in  different  cancer  types
including breast, NSCLC, prostate, colorectal, ovarian, bladder and endometrial. These projects provide us access to leading researchers, clinicians and key
thought leaders, access to valuable patient samples and insight into clinical applications for our assays. Some of these projects have resulted in publications
in leading journals, such as Cancer Discovery and Cancer Medicine, which enhances our standing in the oncology community and supports our marketing
efforts.

Our planned Target-Selector mutation assays would not be platform dependent. These assays are being designed to be able to be performed on almost any
molecular instrument, which will provide flexibility in laboratory operations. To the extent we elect to develop these assays as IVDs, including by pursuing
CE marks for such assays to be marketed outside the United States, the ability to rapidly deploy them on different approved instrument platforms already in
many laboratories should greatly simplify their distribution and commercialization.

9

Our Assays, Products and Services

Assays, Products and Services

We currently offer and conduct our commercialized diagnostic assays and offer our clinical trial services at our CLIA-certified, CAP-accredited and state-
licensed laboratory. We have commercialized our Target-Selector™ assays for a number of solid tumor indications such as: breast cancer, NSCLC, gastric
cancer,  colorectal  cancer,  prostate  cancer,  pancreaticobiliary  cancer,  and  ovarian  cancer.  These  assays  utilize  our  dual  CTC  and  ctDNA  technology
platforms and provide biomarker analysis from a patient’s blood sample.

Our current assays and clinical trial services include:

•

•

CTC and ctDNA Testing. Our current assays and our other planned cancer diagnostic assays are based on our Target-Selector™ technologies and are
currently intended to be performed only in our clinical laboratory. After completing testing, we or our partners provide our customers with an easy
to  understand  report  that  describes  the  results  of  the  analyses  performed,  which  is  designed  to  help  medical  oncologists,  surgical  oncologists,
urologists, pulmonologists, pathologists and other physicians make better decisions about the treatment of their patients.

Clinical Trial Services. We plan to utilize our clinical laboratory and translational research capabilities to provide clinical trial and research services
to pharmaceutical and biopharmaceutical companies and clinical research organizations to improve the efficiency and economic viability of their
clinical  studies.  Our  clinical  studies  and  translational  research  services  could  leverage  our  knowledge  of  CTCs  and  ctDNA  and  our  ability  to
develop  and  implement  new  cytogenetic,  immunocytochemical  and  molecular  diagnostic  assays.  Our  current  assays  can,  and  our  other  planned
cancer  diagnostic  assays  and  biomarker  assays  are  anticipated  to  be  able  to,  help  optimize  clinical  trial  patient  selection and/or  monitor  cancer
drivers during the course of treatment or disease progression. Demonstration of clinical utility of our assays would more easily enable these tests to
be adopted in standard clinical practice, helping physicians select the most appropriate therapy for their patients.

In  the  case  of  our  breast  and  gastric  cancer  offerings,  biomarker  analysis  involves  fluorescence  in  situ  hybridization,  or  FISH,  for  the  detection  and
quantitation of the human epidermal growth factor receptor 2, or HER2, gene copy number as well as immunocytochemical, or ICC, analysis of estrogen
receptor,  or  ER,  protein,  progesterone  receptor,  or  PR,  protein,  and  androgen  receptor,  or  AR,  protein  in  breast  cancer;  all  of  these  test  are  currently
available commercially. We have also validated and offer a Next Generation sequencing assay for use in breast cancer. A patient’s HER2 status provides the
physician  with  information  about  the  appropriateness  of  therapies  such  as  Herceptin®  or  Tykerb®.  ER  and  PR  status  provides  the  physician  with
information about the appropriateness of endocrine therapies such as tamoxifen and aromatase inhibitors.

Our  lung  cancer  biomarker  analysis  offering  currently  includes  FISH  testing  for  ALK,  ROS1,  RET,  MET  and  FGFR1  gene  rearrangements,  as  well  as
analysis  for  the  T790M,  Deletion  19,  and  L858R  mutations  of  the  epidermal  growth  factor  receptor,  or  EGFR  gene,  as  well  as  BRAF  and  KRAS.  The
L858R mutation of the EGFR gene and Exon 19 deletions as activators of EGFR kinase activity.  For lung cancer, we also offer a resistance profile assay
consisting of the biomarkers MET, HER2 (both of which we perform using our technology for CTCs), KRAS, and T790M (both of which are performed
using ctDNA in plasma). These assays can be used by physicians to identify the mechanism causing disease progression for patients with NSCLC who are
being treated with tyrosine kinase inhibitor, or TKI, therapy and therefore may qualify patients for inclusion in a clinical trial. We have also validated and
offer a Next Generation sequencing assay for use in NSCLC.

Fibroblast  growth  receptor  1,  or  FGFR1,  amplification  is  offered  using  our  CTC  technology.  FGFR1  is  present  in  several  tumor  types,  including  both
NSCLC and small cell lung cancer, or SCLC, and has been shown to be a prognostic indicator of progression. FGFR1 is also a key target for several drugs
undergoing clinical development.

We analytically validated PD-L1 testing utilizing our CTC technology in 2016. PD-L1 is a biomarker that is informative for immuno-oncology therapies
currently marketed for lung cancer and melanoma, as well as therapies in development for multiple tumor types. We collaborated with David Rimm, M.D.,
Ph.D., a pathologist at Yale Medical School and a scientific advisor to us, on the analytical development of this assay.

We  plan  to  release  additional  blood-based  biomarker  assays,  such  as  those  that  test  for  ESR1,  to  our  current  menu  of  liquid  biopsy  assays  using  blood
samples.  In  addition,  we  plan  to  complete  the  development  and  offer  multiplexed  biomarker  tests,  which  will  allow  the  detection  and  quantitative
monitoring of multiple biomarkers in a single assay.

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In  August  2017,  we  announced  that  we  had  executed  a  distribution  agreement  for  our  proprietary  blood  collection  tubes  with  VWR  International,  LLC
which  can  preserve  intact  cells  (such  as  CTCs)  for  up  to  96  hours  and  ctDNA  for  up  to  8  days,  allowing  for  the  intact  transport  of  RUO  liquid  biopsy
samples from regions around the world.

In October 2017, we launched our pathology partnership initiative, branded as Empower TC, expanding access of our proprietary liquid biopsy testing to
community pathologists and hospitals throughout the United States. The aim of this program is to incorporate community pathologists into the review of
biomarkers  found  in  liquid  biopsy  for  patients  diagnosed  with  cancer.  Pathologists  are  now  enabled  to  interpret  our  liquid  biopsy  results  locally,  while
patient specimens will continue to be sent to us for processing in our CLIA-certified, CAP-accredited high complexity laboratory. In February 2019 we
launched  Version  2  of  Empower  TC  which  is  intended  to  expand  the  capabilities  of  the  program  to  allow  for  more  tests  to  be  interpreted  by  local
pathologists.

We intend to continue to commercialize cancer diagnostic assays in the United States as LDTs performed in our CLIA-certified, CAP-accredited, and state-
licensed  laboratory.  We  plan  to  evaluate  potential  opportunities  for  the  commercialization  of  our  products  in  other  countries.  We  believe  the  Target-
Selector™ technology can be used for molecular biomarker screening, marked as RUO test kits.

We  launched  the  first  of  our  RUO  Target  Selector  kit  products,  ctDNA  EGFR,  in  January  2019.  Additionally,  we  plan  to  evaluate  opportunities  for
licensing of our products and proprietary technologies to partners in the United States and abroad.

In December 2018, we entered into a Software License and Laboratory Data Supply Agreement with Prognos, Inc., an innovator in predicting disease by
applying  artificial  intelligence,  or  AI,  to  clinical  laboratory  diagnostics.  Under  the  agreement,  we  will  supply  de-identified  data  from  its  liquid  biopsy
testing to Prognos, which will leverage its AI capabilities to help its pharmaceutical clients ensure that the right patients receive the right therapies. This
agreement could provide revenue sharing opportunities in future periods.

In May 2019 we announced launch of the Oncomine NGS lung cancer panel in collaboration with Thermo Fisher Scientific. This panel requires a local
coverage  determination,  or  LCD,  for  reimbursement  and  we  started  that  process  with  a  meeting  with  MOLDx  in  November  2018.  In  the  absence  of  a
national coverage policy, an item or service may be covered at the discretion of the Medicare contractors based on an LCD.  We have applied for LCD’s in
several categories as the initial step for national coverage.

In June 2019 we announced launch of the Oncomine NGS breast cancer panel, a multi-gene liquid biopsy panel specifically developed for breast cancer, in
collaboration  with  Thermo  Fisher  Scientific.  This  panel  is  being  marketed  to  physicians  and  researches  for  the  detection  and  monitoring  of  actionable
genomic biomarkers associated with breast cancer.

In November 2019 we announced launch of our liquid biopsy test to detect TRK biomarkers in the blood of patients diagnosed with cancer.  Identification
of TRK protein enables physicians to rapidly and cost-effectively identify the potential presence of NTRK fusions used to inform on treatment options.

We also expanded our prostate panel offerings as a key element for growing the demand for our testing among urologists, including the AR-V7 assay which
helps physicians determine if patient should stay on hormone therapy or switch to chemotherapy, as well as PTEN, MET, MYC, and EGFR  FISH  assays
which provide valuable prognostic information to the aggressiveness of a patient’s prostate cancer.

Pharmaceutical, Research and Health Economic Collaborations

We continue to execute on our strategies intended to expand our business globally, as well as to engage with pharmaceutical companies on clinical trials
and assay development. We have preferred provider agreements in place in Mexico with Quest Diagnostics to support testing for Astra Zeneca. In addition,
we have distribution agreements in place in Mexico, Uruguay, Turkey, Columbia, Israel and Canada.

As a follow up to the CTC findings published in Cancer Medicine, we were involved in a clinical study led by investigators at the Dana-Farber Cancer
Institute. Study enrollment was completed. During the screening phase of this study, our CLIA-certified, CAP accredited laboratory tested blood samples
from a cohort of patients with HER2 negative tissue status, with the

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aim to identify individuals with HER2 amplified CTCs. These patients were then assigned to chemotherapy plus Herceptin®.  Additional CTC testing with
HER2 FISH biomarker analyses were performed at subsequent time points. At the December 2014 San Antonio Breast Cancer Symposium, we presented
findings of 311 patients tested with HER2 negative tissue status, where 22% had CTCs with HER2 gene amplification at disease progression.  HER2 gene
amplification subsequently categorized these patients as potential candidates for anti-HER2 therapy as the cancer evolved. Moreover, our multi-antibody
CTC  capture  method  identified  a  substantial  subset  of  patients  who  would  not  likely  have  had  detectable  CTCs  with  commonly  used  CTC  capture
technologies. This added 10% (included in the 22%) to the number of women who were candidates for this highly specific targeted therapy.

With our cooperation, researchers at Columbia University published a study in the journal Clinical and Translational Oncology in January 2015. The study
demonstrated the high correlation (79%) of circulating tumor cells, primary tumor tissue biopsy and metastatic tumor tissue biopsy in the determination of
hormone  receptor  status,  or  ER/PR,  of  breast  cancer  patients.  The  investigators  also  found  that  this  high  correlation  was  strongest  when  comparing
metastatic tissue biopsy to CTCs (83%). The conclusion of the study was that determining ER/PR status in CTCs using our platform is feasible, with high
concordance in ER/PR between tumor tissue (as determined with immunohistochemistry, or IHC) and CTCs (as determined with immunocytochemistry, or
ICC). The authors suggest a larger trial to determine the prognostic significance of these findings.

In September 2015, we presented the clinical validation data of our ctDNA assay in collaboration with the University of California, San Diego.  The results
demonstrated a very high level of concordance to tissue results (88%), together with >95% analytical sensitivity and 99% analytical specificity, supporting
our offering of a validated, robust non-invasive solution for mutation identification and monitoring in patients with lung cancer. Subsequent FDA approval
of Tagrisso®, a third-generation tyrosine kinase inhibitor, presented an opportunity for patients to be monitored using a ctDNA assay.

During  2016,  we  announced  a  pharmaceutical  collaboration  agreement  that  provides  testing  for  a  clinical  trial,  which  includes  metastatic  lung  cancer
patients with leptomeningeal or brain metastases. In this exploratory trial, we tested both cerebrospinal fluid and blood for molecular alterations that could
be  impacted  by  treatment.  A  second  pharmaceutical  collaboration  was  announced  in  2016,  which  entails  a  milestone-based  assay  development  project
focused  on  hepatocellular  carcinoma,  or  HCC,  or  liver  cancer.  Custom  assays  utilizing  both  our  CTC  and  ctDNA  technologies  were  developed  for
identifying specified biomarkers and capturing HCC CTCs for potential clinical trial use.

In  April  2016,  we  announced  a  study  collaboration  with  Dr.  Giuseppe  Giaccone  at  the  MedStar  Georgetown  University  Hospital  to  assess  resistance
biomarkers  in  non-small  cell  lung  cancer,  or  NSCLC,  patients  treated  with  EGFR  inhibitors  or  chemotherapy.  Later  in  2016,  we  announced  another
collaboration  involving  a  study  presented  at  the  European  Society  for  Medical  Oncology,  or  ESMO,  Annual  Congress  in  October  2016,  evaluating  the
detection of EGFR alterations (del19, L858R and T790M) by our Target-Selector™ liquid biopsy. Subsequent to this study, we have earned business in
both Mexico and Columbia for EGFR gene mutation testing in blood to qualify patients for a pharmaceutical company’s targeted therapy. The relationship
also  resulted  in  a  study  initiated  during  the  following  year  that  includes  peripheral  blood  CTC  assessment  of  PD-L1  protein  expression  in  patients
undergoing chemotherapy as a monotherapy or in combination with a checkpoint inhibitor. In December 2016, we announced a clinical study agreement
with Columbia University Medical Center to evaluate the clinical utility of our Target-Selector™ platform to diagnose leptomeningeal metastases, or LM,
in  breast  cancer  patients.  This  work  was  expanded  in  the  fourth  quarter  of  2018  to  include  patients  with  other  primary  solid  tumor  types.  Dr.  Kevin
Kalinsky leads this study to test CTCs in cerebrospinal fluid and blood, where CTC analysis will be compared to standard methods for confirming LM
diagnosis.

In May 2017, we entered into a clinical study agreement with the University of Texas Southwestern Medical Center. Led by recognized oncologist and
ALK alteration researcher, Dr. Saad Khan, the study is designed to evaluate the clinical utility of our Target-Selector™ platform for patients diagnosed with
ALK-positive NSCLC and treated with ALK-inhibitor therapy. A second arm of the study evaluated patients with rare cancers such as anaplastic thyroid
cancer to determine if genetic drivers such as ALK gene rearrangements can be identified and treated with targeted therapy to improve patient outcomes.

In November 2017, we announced a collaboration involving 100 patients in a clinical study with the University of California, San Diego. The study entails
clinical validation of specified PD-L1 antibody clones on our Target-Selector™ CTC platform. Concordance of PD-L1 protein expression in tissue biopsy
versus liquid biopsy, as well as correlation of therapeutic response with PD-L1 liquid biopsy status, are the study objectives.  

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Two complementary posters on the highly sensitive Target Selector ctDNA assays were presented in 2018. The first poster entitled “Biocept Study Shows
Incorporation of Thermo Fisher QuantStudio 5 PCR Instrument into Target Selector Platform Improves Sensitivity and Specificity in Detection  of  Lung
Cancer Biomarkers” was presented in January 2018 at the Fifth AACR-IASLC International Joint Conference: Lung Cancer Translational Science from the
Bench to the Clinic. The related poster, entitled “Validation of highly sensitive TargetSelector™ ctDNA assays for EGFR, BRAF, and KRAS  mutations”
was presented at the April 2018 American Association for Cancer Research annual meeting. Together, these posters highlight improvements to the Target
Selector ctDNA platform, enabling more sensitive mutation detection down to a single copy, thereby increasing the likelihood of identifying actionable
molecular drivers towards guiding targeted therapy decisions and better management of a patient’s cancer.

In collaboration with Dr. Shilpa Gupta from the Masonic Cancer Center at the University of Minnesota, a poster was presented at the April 2018 American
Association for Cancer Research annual meeting. The results demonstrated proof-of-concept use of our Target-Selector™ CTC platform, correlating CTC
count  with  clinical  responses  in  refractory  testicular  cancer  patients  undergoing  therapy.  This  work  is  part  of  a  Phase  2  clinical  trial  of  brentuximab
vedontin (an anti-CD-30 antibody) with bevacizumab in refractory CD-30 + germ cell tumors. The capability for our Target-Selector™ CTC platform to
monitor this rare cancer type presents the potential for a precision medicine-based approach to guide treatment decisions for these patients.

During the first half of 2018, three key case studies were published in peer-reviewed journals. In April, the 2018 Spring issue of Oncology & Hematology
Review featured a case report demonstrating the clinical utility of our CTC platform whereby identification of an ALK rearrangement enabled sequential
targeted therapy and improved quality of life in a patient with NSCLC.  This case illustrated the use of our technology to monitor therapeutic response and
early detection of drug resistance to manage patient disease through the course of treatment with various ALK inhibitors. A Letter to the Editor in the May
2018 issue of Journal of Thoracic Oncology described the identification of a ROS1 rearrangement by Biocept CTC analysis using FISH (fluorescent in situ
hybridization). The ROS1 translocation was concordant with tissue biopsy. In contrast, next-generation sequencing analysis of plasma by another vendor
failed to detect the genetic alteration in the patient with lung cancer. Also, in May 2018, a case report describing the application of our CTC technology in
the  management  of  metastatic  breast  cancer  was  published  in  Clinics  in  Oncology.    This  work  described  a  patient  with  recurrent  breast  cancer  where
numerous tissue-based evaluations of the individual’s bone-only metastases had repeated challenges or inclusive results.  HER2 amplification detected in
CTCs from blood provided crucial information towards changing treatment strategies to include anti-HER therapy, consequently extending and improving
the patient’s quality of life. Each of the three published cases provide real-life examples in lung and breast cancer towards establishing the importance of
liquid biopsy to identify and monitor clinically actionable biomarkers to improve outcomes of patients with cancer.

In July 2018, we announced a collaboration involving two studies with the University of California, San Diego. Each of the two studies will enroll 100
patients with solid tumors, for a total of 200 patients. One study will assess the feasibility of using our CTC and ctDNA methodologies to predict post-
resection disease recurrence in patients with Stage II or III cancer, and the other study will use our technology to predict response to therapy in patients
with metastatic disease. Dr. Rebecca Shatsky and Dr. Razelle Kurzrock are the investigators key to both studies.   

In  August  2018,  we  announced  a  Quality  Improvement  Initiative  with  Highmark  Health  to  help  improve  molecular  testing  rates  of  NCCN  Category  I
Guidelines for NSCLC. The Initiative aims to improve health outcomes by using liquid biopsy to more rapidly assess a patient's actionable biomarker status
towards  selecting  appropriate  therapy,  while  reducing  the  overall  cost  of  care.  The  project  will  evaluate  at  least  100  patients  in  the  Highmark  Health-
affiliated Allegheny Health Network, or AHN, Cancer Institute. Patients will receive our CTC and ctDNA testing in addition to tissue biopsy with the goal
of obtaining biomarker status results for a higher percentage of patients compared to standard testing.

Two scientific posters featuring the Target Selector™ CTC and ctDNA platforms were presented in September 2018 at the International Association for the
Study of Lung Cancer, or IASLC, 19th World Conference on Lung Cancer. Data from these clinical studies demonstrate the ability of our technology to
detect  and  monitor  CTC  counts  and  actionable  biomarkers  in  both  blood  and  cerebrospinal  fluid,  or  CSF,  of  patients  with  advanced  NSCLC.  The  first
poster described interim results of a collaboration with Dr. Janakiraman Subramanian at the Saint Luke’s Cancer Institute in Kansas City, Missouri. This
study evaluates CTC enumeration in advanced stage NSCLC patients before and during the course of chemotherapy. Interim data suggest that CTC counts
may have prognostic and predictive potential to assess therapeutic benefit. The second poster was in collaboration with Kadmon Corporation, featuring
CTC and ctDNA analyses and monitoring in the CSF of NSCLC patients with leptomeningeal metastases who were treated with tesevatib in Kadmon’s
clinical trial KD019-206. In this study,

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alterations detected in the CSF of patients were concordant with original tissue biopsies, and serial monitoring of CTCs and ctDNA biomarkers in CSF
were consistent with the overall clinical.

A case series was published in the January 2019 issue of the peer reviewed journal, Clinics in Oncology. The work highlights the clinical utility of liquid
biopsy to stratify patients who may benefit from targeted therapy, describing three patients with metastatic NSCLC for whom tissue biopsy was insufficient
for molecular profiling. In all three cases, our ctDNA liquid biopsy analyses detected an activating EGFR mutation. EGFR tyrosine kinase inhibitor therapy
subsequently  was  initiated.  Complete  response  lasting  approximately  two  years  was  observed  in  one  patient.  For  two  patients,  our  ctDNA  testing  was
performed at signs of clinical progression and Osimertinib was administered upon our liquid biopsy identification of the EGFR T790M resistance marker.
In sum, patient survival was dramatically extended in all cases presented where targeted therapies were prescribed based on liquid biopsy results.

In April 2019, we presented a poster at the annual meeting of the American Association for Cancer Research. The work describes analytical validation of
Target Selector ESR1  Next  Generation  Sequencing,  or  NGS,  ctDNA  assays  with  single  copy  mutant  detection.  The  assays  have  a  limit  of  detection,  or
LOD, 0.03% or better, with >99% sensitivity for mutant allele fractions, or MAF, ranging from greater than 5% down to 0.03%.  ESR1 gene mutations are
associated with acquired drug resistance in up to 55% of patients with estrogen receptor, or ER, positive metastatic breast cancer, or mBC, who received
anti-estrogen treatment. Detection of ESR1  mutations  may  enable  the  prediction  of  treatment  failure  and  disease  progression  in  these  patients.  As  new
therapies are developed that antagonize ER activity by mechanisms that differ from current drug treatments, ESR1 mutation testing can be a helpful tool to
identify patients who may benefit from these alternative agents.

In  October  2019  we  announced  the  publication  of  a  peer-reviewed  journal  article  featuring  the  analytical  validation  results  demonstrating  the  high
sensitivity of our Target SelectorTM testing for EGFR, BRAF, and KRAS mutation in plasma circulating tumor DNA (ctDNA). The article was published
in  the  journal,  PLOS  ONE,  Volume  14,  October  2019,  and  will  also  be  included  as  part  of  a  special  collection  of  topical  articles,  entitled  Targeted
Anticancer Therapies And Precision Medicine In Cancer.

In  November  2019  we  presented  clinical  data  highlighting  performance  of  our  Target  SelectorTM  tests  and  kits  for  detecting  actionable  oncology
biomarkers at the 2019 Association for Molecular Pathology, or AMP, Annual Meeting held at the Baltimore Convention Center, in Baltimore, MD.  The
content of our posters will be published in The Journal of Molecular Diagnostics.

In December 2019 we presented clinical data supporting the use of our Target Selector TM CTC platform as an aid in the monitoring and treatment of breast
cancer in a poster session at the 2019 San Antonio Breast Cancer Symposium, or SABS. The data demonstrated the Target SelectorTM platform’s ability to
accurately detect, enumerate, and interrogate circulating tumor cells, or CTCs, in a cohort of over 1,500 patients, representing various clinical and treatment
stages of breast cancer.

Provider Agreements

In January 2017, we announced that we had secured an in-network provider agreement with Blue Cross Blue Shield of Texas, the largest provider of health
benefits in Texas. In addition, we entered into a national master business agreement with the Blue Cross Blue Shield Association, a not-for-profit trade
association that provides multiple services for its 38-member Blue Cross and Blue Shield health plan companies across the U.S., including forming national
strategic  vendor  partnerships.  We  were  selected  by  the  Blue  Cross  Blue  Shield  Association  based  on  a  rigorous  request-for-proposal  progress.  This
agreement establishes pricing for our Target-Selector™ liquid biopsy testing service through the Blue Cross Blue Shield Association’s group purchasing
organization,  CareSourcing  Workgroup.  The  pricing  offered  by  the  CareSourcing  Workgroup  group  purchasing  organization  is  available  to  those  Blue
Cross and Blue Shield member health plans that have, or may seek, in-network agreements with us.

In June 2017, we entered into a participating provider agreement with MediNcrease Health Plans, LLC and a preferred provider agreement with Scripps
Health Plan Services, Inc., both establishing pricing for our Target-Selector™ liquid biopsy testing service.

In December 2017, we signed an agreement with Wellmark, Inc., the largest health insurer in Iowa and South Dakota. The agreement marks our third Blue
Cross Blue Shield contract and enables patients diagnosed with cancer the ability to access our proprietary testing services in-network under their Wellmark
health plan.

14

 
In August 2018, we entered into a quality initiative program with Highmark and Alleghany Health Network as a result of the Caresourcing Workgroup. The
focus  is  to  improve  access  to  molecular  testing  to  members  with  a  diagnosis  of  lung  cancer.  Enrollment  began  in  August  2018  and  has  been steadily
increasing.

In July 2019 we announced that we entered into a Laboratory Services Provider Agreement with Beacon Laboratory Benefit Solutions, Inc., a nationally
recognized premier provider of laboratory benefit management technology solutions to health and managed care companies in the United States.

In February 2020 we announced that we entered into an agreement with a California-based independent physician association, or IPA, to provide our liquid
biopsy testing services to physicians and patients in their network.  Our Target SelectorTM offering includes the choice of individual biomarker tests or a
larger liquid biopsy panel, enabling physicians to select the best approach for each patient.

We  are  currently  contracted  with  nine  preferred  provider  organization  networks,  three  large  health  plans,  and  five  regional  independent  physician
associations, and expect to continue to gain contracts in order to be considered as an “in-network” provider with additional plans.

Laboratory Testing

From  our  CLIA-certified  laboratory  in  San  Diego,  California,  we  provide  test  results  from  our  current  and  planned  CTC  and  ctDNA  assays  to  medical
oncologists, surgical oncologists, urologists, pulmonologists, pathologists and other physicians in community hospitals, cancer centers, group practices and
offices. At the federal level, clinical laboratories, such as ours, must be certified under CLIA in order for us to perform testing on human specimens. Our
laboratory is also accredited by CAP, which is one of six accreditation organizations approved by the Centers for Medicare & Medicaid Services, or CMS,
under CLIA. Our clinical laboratory is located in California and we hold the requisite license from the California Department of Public Health to operate
our laboratory. In addition, we hold licenses issued by the states of Maryland, Pennsylvania and Rhode Island to test specimens from patients in those states
or received from ordering physicians from those states. In addition, our clinical reference laboratory is required to be licensed on a product-specific basis
by  New  York  as  an  out  of  state  laboratory  and  our  products,  as  LDTs,  must  be  approved  by  the  New  York  State  Department  of  Health  before  they  are
offered in New York. As part of this process, the State of New York requires validation of our assays. We currently do not have the necessary New York
license, but we are in the process of addressing the requirements for licensure in New York.

Clinical Study Biomarker Testing Services

Industry research has revealed that many promising drugs have produced disappointing results in clinical trials. For example, a study by Princess Margaret
Hospital in Toronto estimated that over a five-year study period 85% of the new therapies for solid tumors which were tested in early clinical trials in the
United States, Europe and Japan failed, and that of those that survive through to Phase III trials, only a third will actually be approved. Given such a high
failure rate of oncology drugs in clinical development, combined with constrained budgets for pharmaceutical and biopharmaceutical companies, there is a
significant need for drug developers to utilize molecular diagnostics to help decrease these failure rates. For specific molecular-targeted therapeutics, the
identification of appropriate biomarkers may help to optimize clinical trial patient selection and success rates by helping clinicians identify patients that are
most likely to benefit from a therapy based on their individual genetic profile.

In  addition  to  testing  for  physicians  and  their  patients,  we  offer  liquid  biopsy  testing  services  to  help  increase  the  efficiency  and  economic  viability  of
biomarker analysis pertinent to clinical trials conducted by pharmaceutical and biopharmaceutical companies and clinical research organizations. Our liquid
biopsy testing services are aimed at developing customizable assays and techniques utilizing CTC and ctDNA technologies to provide sensitive, real-time
characterization of an individual patient’s tumors using a standard blood sample. These assays may be useful as, and ultimately developed into, companion
diagnostics associated with a specific therapeutic. Additionally, through our services, we may gain further insights into biomarkers for disease progression
and drug resistance, as well as those associated with current drug development efforts, which we can incorporate into assays.

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Assay Development Process

Our Target-Selector™ assays were, and our planned additional CTC and molecular assays are being, developed and validated in conjunction with leading
academic and clinical research centers to ensure that the needs of the clinical community are being met with the latest research on key biomarkers that
affect patient care. We utilize a research and validation process to help ensure that we are providing diagnostic, prognostic and predictive information that
is clinically relevant and accurate. The time-frame for this process from design through development and market launch is dependent upon, among other
things, the biomarkers in question having been discovered and validated before we incorporate them in an assay, the specific clinical claims we plan to
pursue, and the availability of high-quality samples for validation. Our development protocol calls for us to monitor and review the process in four stages
as detailed below:

•

•

•

•

Stage 1, Research. We review known, validated biomarkers, preferably associated with a specific therapeutic or other high value treatment decision
and discuss with clinical collaborators and key thought leaders to characterize the opportunity, the specific clinical setting and the product profile of
the candidate assay.

Stage 2, Assay Development. We design the assay, which typically has two parts: efficient capture of CTCs and/or isolation of ctDNA from the
targeted cancer type and development of the biomarker assays that will be included. For example, the first part may involve modification of the
antibody capture cocktail and the second could include development of specific Target-Selector™ mutation assays or testing of FISH probes. Assay
development  utilizes  contrived  analytical  samples,  normal  control  specimens  and  ultimately  clinical  samples  to  assure  performance.  The  assay
development process includes defining the performance characteristics of the assay as well as developing standard protocols for our CLIA-certified,
CAP accredited, and state-licensed laboratory, where the assay will ultimately be performed. This assessment includes such features as accuracy,
precision (inter-assay, intra-assay, inter-operator, inter-instrument, etc.), sensitivity, and specificity.

Stage 3, Clinical Validation. When the assay is performing as desired it undergoes a rigorous validation process which includes both analytical and
clinical validation. Clinical accuracy is performed and validated against an orthogonal reference for that biomarker, which is typically tumor tissue
analysis.  Depending  on  the  tumor  type  and  specimen  requirement,  samples  are  collected  from  patients  through  collaborators,  or  in  the  case  of
molecular assays, from commercial sample banks, where clinical information on the patients, including outcomes, is already available.  We create
standard operating procedures, quality assurance and quality control measures to ensure reproducibility and high standards of quality.

Stage 4, Availability for Commercialization. Upon the completion of clinical validation and before launch, we take several steps to prepare an
assay for marketing as an LDT. We create standard operating procedures and quality assurance and quality control measures to ensure repeatability
and high standards of quality. We train both our commercial and laboratory staff on the interpretation and use of the data. Licenses and approvals
for our laboratory to perform or use LDTs have been obtained from the appropriate regulatory authorities, such as CMS, which oversees CLIA, and
different state regulatory bodies.

We currently offer 23 assays that are available for clinical use that have completed all four stages of the development protocol. Other assays for both CTCs
and molecular are in earlier stages of development. Markers for such assays include, but are not limited to, ESR1, PSA, CD68, NTRK2, NTRK3, MSI and a
multiplexed assay.

We may be required to seek FDA clearance or approval to expand the commercial use of assays to other laboratories and testing sites in the United States.
We may also need to complete additional activities to submit each of these assays for regulatory clearance or approval before commercialization in each of
the international markets where introduction is planned.

If the FDA finalizes its current draft guidance on a risk-based framework for regulation of LDTs, our process would also need to allow for obtaining FDA
review, clearance or approval, as applicable, which would add delay, expense and risk to our current assay development process. In November 2016, the
FDA put the process to review and issue this guidance on hold and has not yet provided further information as to when the process will move forward.

Technology Development

In addition to developing new CTC and molecular assays for different cancers to be offered through our CLIA laboratory and adapting additional predictive
biomarkers to these assays as their importance is demonstrated by the scientific and clinical research communities, we continue to focus on improving the
base technologies underlying our assays and processes. We are

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exploring various ways to improve CTC capture efficiency and detection, as well as approaches to sub-categorize CTCs into different populations that may
have  clinical  relevance.  For  example,  by  determining  which  antigens  individual  CTCs  expressed  that  enabled  their  capture,  we  could  differentiate,  and
enumerate, various CTC phenotypes, for example, epithelial versus mesenchymal. We are also working to simplify the assay process, and in general to
provide a broader range of useful data on a patient’s cancer to assist the physician in determining an appropriate treatment. Some of these projects and
initiatives include:

•

•

•

•

Improve Ability to Capture CTCs

Continued  modification  and  optimization  of  our  microfluidic  channel  as  a  way  to  further  enhance  CTC  capture  efficiency.  Capture  efficiency
directly impacts sensitivity, informative rate, and the ability to perform accurate and reliable biomarker analyses on the CTCs, all of which increase
the  value  of  our  offering.  We  are  utilizing  some  of  our  early  research  experience  to  improve  CTC  capture  rates  and  reduce  background
contamination from normal white blood cells.

Automation of Our Assay Process

Development of automation throughout the assay process, but particularly at the visual evaluation steps, which include enumeration, any ICC for
biomarkers beyond those used to identify CTCs, for example protein biomarkers, and FISH analysis, is a way to drive efficiencies, reduce costs,
speed  up  turnaround  time,  and  generate  more  reliable,  uniform,  and  in  some  cases  more  sensitive  data.  We  have  implemented  an  automation
solution for the visual analysis, which has been validated and implemented in our CLIA laboratory. We have also developed automated systems for
the separation, processing and washing steps before running a sample on the microfluidic channel, which has also been validated and implemented
in the CLIA laboratory. We are currently implementing further steps in automation, including running the microfluidic channels and performing
FISH. We believe these measures will reduce costs and time as well as allow for higher-throughput as sample volumes increase.

Development of Second Generation Platform for CTC Testing

We are continuing to evaluate and develop techniques for CTC capture that take advantage of our antibody enrichment cocktail and our staining
technology to modify our current CTC process into a simpler IVD testing kit format. In addition to reducing internal costs, such an advance would
enable us to offer a testing kit format that can access the worldwide CTC testing market. We believe that the distribution of such kits could create a
new business opportunity for us.

Utilization of ctDNA Technology for Highly Multiplexed Mutation Testing

The  ctDNA  technology  should  enable  us  to  multiplex  mutation  testing  such  that  larger  panels  of  genes  can  be  analyzed  in  a  single  step  and
interfaced with genetic sequencing. This should position us for the analysis at the molecular level of whole signaling pathways or enzyme cascades.
We plan to take advantage of the sensitivity and specificity of the ctDNA technology and leverage interest in the clinical research community for
detecting any actionable biomarker in a particular tumor, as opposed to only those that are known to occur at relatively higher frequencies in that
type of tumor. Such multiplexed mutation assays, relying on our ctDNA technology, could provide a more global evaluation of a tumor through
analysis  of  either  CTCs  or  ctDNA.  This  would  offer  a  broader  range  of  potential  treatment  options  as  well  as  enable  the  monitoring  of  the
effectiveness of those treatments over time.

•

Development of Single Cell CTC Isolation Techniques for Molecular Analysis

Tumor heterogeneity is a well-recognized problem for tissue analysis and is in part addressed by focusing on CTCs, which may provide a more
universal  sampling  of  a  tumor.  One  result  of  this  can  be  a  diverse  population  of  CTCs  in  a  sample,  with  different  phenotypes  and  genotypes
represented.  We  are  working  with  a  collaborator  on  techniques  for  subsequent  sorting  of  our  highly  enriched  CTC  samples  released  from  our
microfluidic channels into pools of CTCs with similar phenotypes, and ultimately to single CTCs, for molecular analysis.

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Translational/Clinical Research

In the course of our research and validation studies, we have processed and analyzed thousands of normal control and cancer patient samples. Our initial
focus  has  been  on  breast  cancer,  where  validation  studies  for  our  CTC  assay,  including  enumeration  of  CTCs  on  the  Biocept  platform  compared  to  the
CellSearch® system, and HER2 FISH performed on CTCs and compared with HER2 analysis performed on tumor tissue from the same patients, involved
over 120 patient samples. The results of our validation studies, and the demonstration of a reliable and reproducible method for CTC capture and analysis
using our platform were published in a paper entitled “Novel Platform for the Detection of Cytokeratin Positive (CK+) and Cytokeratin Negative (CK-)
CTCs”  appearing  in  the  December  2011  issue  of  Cancer  Discovery  and  a  paper  entitled  “Efficient  capture  of  circulating  tumor  cells  with  a  novel
immunocytochemical microfluidic device” appearing in the September 2011 issue of BioMicrofluidics.

Additional studies were conducted in breast and other tumor types, including lung, prostate and colorectal cancers, utilizing patient samples for comparison
to the CellSearch® system. In head-to-head studies, our system detected cytokeratin positive CTCs in comparable numbers of breast cancer patients, and in
considerably more patients in the other cancer types (Cancer Discovery, December 2011). Moreover, the results clearly demonstrated that the use of our
antibody enrichment cocktail enabled recovery of more CTCs compared to using only anti-EpCAM antibodies. These data served as a clinical validation
study  for  CTC  enumeration.  When  our  staining  is  applied  to  detect  cytokeratin-negative  CTCs,  we  expect  to  see  far  more  CTCs  based  on  preliminary
studies reported in a paper entitled “Detection of EpCAM-Negative and Cytokeratin-Negative CTCs in Peripheral Blood” appearing in the 2011 issue of
the Journal of Oncology.

Our  system  has  the  added  advantage  of  post-capture  immunofluorescent,  cytogenetic  and  molecular  genomic  analyses  of  the  CTCs.  Cells  captured  by
Biocept’s proprietary Target-Selector™ system can be analyzed directly within the microfluidic channel, removing the need to re-deposit cells on a slide
and thereby minimizing cell loss or damage. Furthermore, given the transparency of the microfluidic channel, captured cells can be immediately analyzed
on  a  microscope.  Together,  these  two  important  features  allow  for  a  very  efficient  process  that  is  well  suited  for  a  laboratory  developed  test  (LDT)
performed in a CLIA laboratory. The post-capture analyses directed towards evaluation of biomarkers, are particularly important and valuable to physicians
and  patients  since  they  focus  on  actionable  information  related  to  therapy  selection.  We  have  performed  a  number  of  clinical  research  studies  in
collaboration  with  The  University  of  Texas  MD  Anderson  Cancer  Center  investigators  involving  various  tumor  types,  including  breast,  ovarian,
endometrial, lung, colorectal, bladder and prostate cancers.

In a collaboration with physicians and researchers at The University of Texas MD Anderson Cancer Center, we evaluated matched samples of tumor tissue,
blood  for  CTCs,  and  bone  marrow  for  DTCs  in  recently  diagnosed  breast  cancer  patients  to  identify  HER2  amplification.  Positive  HER2  status  would
indicate eligibility for HER2-targeted therapies like Herceptin®, a potentially life-saving treatment. These results were presented at both the 2011 and 2012
annual meetings of the American Society of Clinical Oncology. In a 95 patient study published in Cancer Medicine (2013, 2(2) 226-233), HER2 positive
CTCs and/or DTCs were identified in 18.9% of cases in which the primary tumor was HER2 negative. In the same cohort of patients, only 12.6% were
HER2 positive in their primary tumor. In other words, beyond the 12 (of 95) patients for whom traditional tumor tissue analysis had indicated benefit from
Herceptin-based therapy, the Target-Selector™ assay detected HER2 gene amplification in 18 (of 95) patients who (despite the fact they were identified as
being HER2 negative by primary-tumor testing) could benefit from Herceptin-based therapy. Patients classified as HER2 negative based on tumor tissue
and found to have HER2 positive CTCs and/or DTCs were subsequently monitored by our collaborators at The University of Texas MD Anderson Cancer
Center to assess their overall and progression-free survival. Tumor heterogeneity is one likely cause of the discordance for HER2 status between tumor
tissue and our assay performed on blood and bone marrow samples. Tumor heterogeneity indicates an important clinical application for the CTC analysis
with the Target-Selector™ assay. Our technology can use a standard blood sample to confirm and crosscheck tissue analysis performed by the pathologist
at the time of biopsy or surgery, especially if HER2 negative.

Our  Target-Selector™  platform  is  well  suited  towards  blood-based  analysis  of  breast  cancer  biomarkers.  A  24-patient  study  published  with  Columbia
University  (Clinical  and  Translational  Oncology,  2015,  17(7):539-46)  demonstrated  the  feasibility  of  CTC  testing  to  evaluate  ER  and  PR  status  in
metastatic breast cancer (mBC) patients. Results showed a concordance of 83% and 68% in ER/PR status between CTCs vs. metastatic tissue tumor, and
CTCs vs. primary tissue, respectively. More recently, a December 2016 San Antonio Breast Cancer Symposium poster presentation featured the evaluation
of 74 mBC patients. This collaborative work with the Sarah Cannon Research Institute, demonstrated detection of CTCs in 99% of mBC patient samples.
In addition, ER protein expression concordance was 84% in cytokeratin positive cells and 18% in

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cytokeratin  negative  cells.  FISH-based  analysis  of  captured  CTCs  displayed  tissue  concordances  of  93%  and  68%  for  HER2  gene  amplification  in
cytokeratin positive CTCs and cytokeratin negative CTCs, respectively; FGFR1 amplification concordances to tissue were 79% and 67% for cytokeratin
positive CTCs and cytokeratin negative CTCs, respectively. While further investigation is needed to elucidate the significance of cytokeratin negative cells
as a possible prognostic indicator to evaluate ER, HER2 and FGFR1 biomarkers in mBC patients, our ability to assess cytokeratin positive and negative
CTCs affords a distinct advantage over other CTC technologies that rely solely upon characterization of cytokeratin positive CTCs.

We have also developed proprietary and robust technology to detect and quantify mutant ctDNA in plasma originating from the same blood sample that is
used  for  the  previously  described  CTC  analyses.  In  collaboration  between  Mexico’s  Instituto  Nacional  de  Cancerologia  and  AstraZeneca,  a  clinical
evaluation of blood-based liquid biopsy mutational profiling using our service was performed on 60 advanced-stage non-small cell lung cancer patients.
Target-Selector™  assays  are  highly  sensitive  with  the  ability  to  detect  EGFR  mutations  down  to  one  mutant  copy  per  milliliter  of  plasma.  The  high
concordance of ctDNA versus tissue exhibited in this work highlights Target-Selector™ plasma ctDNA assays as a viable and practical means to detect
EGFR activating and acquired resistance mutations relevant for guiding targeted therapy decisions.

Clinical utility studies, which demonstrate the specific clinical setting in which a particular CTC or ctDNA assay is used, and how to use the information
generated for medical, specifically treatment-related, decision making is a key part of our strategy and research and development plan. Data resulting from
such studies is critical not only in the sales and marketing process, but also for reimbursement, as many health plans and government payers now ask for
peer-reviewed  publications  describing  such  studies  and  results  before  agreeing  to  coverage  of  a  specific  assay.  We  are  involved  in  and  plan  to  become
involved in numerous studies to further demonstrate the clinical utility of our assays.

Sales and Marketing

At  December  31,  2019,  our  sales  organization  consisted  of  10  sales  representatives  placed  in  strategic  locations  around  the  country  that  have  high
concentrations of cancer patients, and we may, depending on assay volume, potentially grow this number to 20-25 sales representatives within two years
and  to  30-35  within  five  years.  We  have  defined  sales  territories  and  have  hired  sales  professionals  with  extensive  successful  experience  in  clinical
oncology sales or oncology diagnostic testing sales from leading biopharmaceutical, pharmaceutical or specialty reference laboratory companies. We plan
on growing this specialized, oncology-focused sales force and supporting it with clinical specialists who bring significant technical knowledge in the use of
CTC and ctDNA assays.

Finally, we have invested in managed care sales and marketing experts in order to pursue favorable payment and coverage for our liquid biopsy testing
services.  The  key  value  proposition  for  these  customers  will  include  clinical  utility  and  cost  savings  by  offering  our  assays  as  a  complement  and/or
alternative to expensive surgeries when tumor biopsy tissue is insufficient or not available.

Our sales and marketing efforts are and will be based on a five-part marketing strategy:

•

•

•

•

•

Work  with  oncologists,  other  physicians  and  group  practices  at  community  hospitals  and  cancer  centers  to  educate  them  on  the  advantages  and
opportunities that CTC and ctDNA assays provide for better information, allowing them to select the most appropriate therapy for their patients, and
how and when these assays are most effectively used;

build relationships with key thought leaders in oncology, specifically in the cancer types for which we are offering or plan to offer assays, to educate
and support community oncologists;

collaborate  with  leading  research  universities  and  institutions  that  enable  the  validation  of  our  new  assays,  as  well  as  the  generation  of  clinical
utility data;

partner with pharmaceutical companies for clinical trial work focusing on CTC and ctDNA testing and analysis; and

add  value  for  the  payer  community  by  delivering  clinically  actionable  information  and  providing  a  cost-effective  alternative  to  access  clinically
actionable information through the use of a simple blood test.

We  also  take  advantage  of  customary  marketing  channels  commonly  used  by  the  diagnostic  and  pharmaceutical  industries,  such  as  medical  meetings,
broad-based publication of our scientific and clinical data, and the internet. In addition, we provide easy-to-access information to our customers through our
website and a data portal for physicians who wish to access test

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results  electronically.  Our  customers  value  secure  and  easily  accessible  information  in  order  to  quickly  review  their  patients’  information  and  begin
developing a treatment protocol.

Outside the United States

Outside the United States, where a central laboratory business model is less developed, we will evaluate opportunities with our existing and other partners
for the conversion and/or development of our current and planned CTC and ctDNA assays into test systems or IVDs, and related strategies to develop and
serve such regional oncology markets. We also plan to sell our clinical trial services to biopharmaceutical companies and research organizations outside the
United States.

We plan to cooperate with partners on accessing markets internationally. We plan for this to be accomplished either through partnerships with local groups
and distributors or the development of IVD test kits and/or test systems, including instrumentation.

Competition

As a cancer diagnostics company focused on current and planned assays for CTCs and ctDNA from standard blood samples, we rely extensively on our
ability to combine novel technology and biomarker information with high-quality, state-of-the art clinical laboratory testing. We believe that we compete
principally on the basis of:

•

•

•

•

•

•

Our ability to utilize standard blood samples, enabling frequent testing of patients through the course of their disease in addition to, or without a
biopsy, thereby reducing cost and trauma, saving time, and providing real-time information on the current status of the tumor;

our  ability  to  include  biomarker  information  in  our  analysis,  in  addition  to  CTC  enumeration,  thereby  providing  a  more  complete  profile  of  a
patient’s disease than existing CTC tests. This clinically actionable information can assist physicians in selecting more personalized treatment plans
for individual patients;

our current and planned future CTC assays’ ability to capture and detect a broader range of CTC phenotypes than existing tests, and potentially at
earlier stages of disease, resulting in fewer non-informative cases and more information for physicians. For example, our antibody capture cocktail
targets  not  only  EpCAM  but  also  other  epithelial  antigens  as  well  as  mesenchymal  and  cancer  stem  cell  antigens,  indicative  of  cells  having
undergone the epithelial-to-mesenchymal transition. These cells may be more relevant for metastasis;

our  ability  to  rapidly  integrate  new  biomarkers,  either  validated  in  academic  laboratories  or  of  interest  to  pharmaceutical  and  biopharmaceutical
companies in the context of their new therapies, into our current and planned future assays, facilitating the expansion of actionable information for
medical oncologists, surgical oncologists, urologists, pulmonologists, pathologists and other physicians;

our research and clinical collaborations with key academic and clinical study groups, which enhance our research and development resources and,
by enhancing our standing in the oncology community, support our marketing efforts; and

our  current  and  planned  ctDNA  assays  based  on  our  patented  technology,  which  currently  offer  and  are  expected  to  continue  to  offer  enhanced
sensitivity and specificity in detecting mutation targets or resistance markers, again supporting treatment decisions.

We believe that we compete favorably with respect to these factors, although we cannot assure you that we will be able to continue to do so in the future or
that  new  products  or  assays  that  perform  better  than  our  current  and  planned  future  assays  and  services  will  not  be  introduced.  We  believe  that  our
continued success depends on our ability to:

•

•

•

•

•

Expand and enhance our current and planned Target-Selector™ assays to provide clinically meaningful information in additional cancers;

work with clinicians to design and implement clinical studies that demonstrate the clinical utility of our products;

continue to innovate and maintain scientifically advanced technology including development and regulatory approvals;

successfully market and sell assays;

continue to comply with regulatory guidelines and obtain appropriate regulatory approvals in the United States and abroad as applicable;

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•

•

•

•

•

•

•

•

•

•

continue to validate our pipeline of assays;

conduct or collaborate with clinical utility studies to demonstrate the application and medical value of our assays;

continue to seek to obtain positive coverage and reimbursement decisions from Medicare and private third-party payers;

continue to enter into sales and marketing partnerships;

maintain existing and enter into new research and clinical collaborations with key academic and clinical study groups;

continue to attract and retain skilled scientific, clinical, laboratory, and marketing personnel;

continue to participate in and gain clinical trial work through biopharma partnerships;

receive payment for the testing we provide for patients;

obtain patents or other protection for our technologies, assays and services; and

obtain and maintain our clinical reference laboratory accreditations and licenses.

Our  principal  competition  comes  from  mainstream  diagnostic  methods,  used  by  medical  oncologists,  surgical  oncologists,  urologists,  pulmonologists,
pathologists  and  other  physicians  for  many  years,  which  focus  on  tumor  tissue  analysis.  The  methods  or  behavior  of  medical  oncologists,  surgical
oncologists,  urologists,  pulmonologists,  pathologists  and  other  physicians  may  be  difficult  to  change  regarding  the  use  of  our  CTC  and  ctDNA  testing,
including  molecular  diagnostic  testing,  in  their  practices  in  conjunction  with  or  instead  of  tissue  biopsies  and  analysis.  In  addition,  companies  offering
capital equipment and kits or reagents to local pathology laboratories represent another source of potential competition. These kits are used directly by the
pathologist, which can facilitate adoption. Historically, we have focused our marketing and sales efforts on medical oncologists rather than pathologists,
although commencing in October 2017, our Empower TC offering provides the unique ability for pathologists to participate in the interpretation of liquid
biopsy results and is available to pathology practices and hospital systems throughout the United States.

We also face competition from companies that offer products or are conducting research to develop products for CTC or ctDNA testing in various cancers.
CTC and ctDNA testing is a new area of science and we cannot predict what assays others will develop that may compete with or provide results similar or
superior to the results we are able to achieve with the assays we develop. Competitors include but are not limited to companies such as Atossa, Agena,
Qiagen,  Roche,  Guardant  Health,  Menarini  Silicon  Biosystems,  Alere  (Adnagen),  Illumina,  Apocell,  EPIC  Sciences,  Clearbridge  Biomedics,  Biodesix,
Thermo Fisher Scientific, Foundation Medicine, Neogenomics, Cynvenio Biosystems, Genomic Health, Fluxion Biosciences, RareCells, ScreenCell, and
Sysmex. Some of these groups, in addition to operating research and development laboratories, are establishing CLIA-certified testing laboratories while
others are focused on selling equipment and reagents.

There are a number of companies which are focused on the oncology diagnostic market, such as Cancer Genetics, Caris, Neogenomics and Agendia, who
while  not  currently  offering  CTC  or  ctDNA  assays  are  selling  to  the  medical  oncologists  and  pathologists  and  could  develop  or  offer  CTC  or  ctDNA
assays. Large laboratory services companies such as Quest and LabCorp provide more generalized cancer diagnostic testing but could also offer a CTC or
ctDNA testing services. Companies like Abbott, Danaher, Qiagen, Thermo Fisher Scientific and others could develop equipment or reagents in the future as
well.

Some  of  our  present  and  potential  competitors  have  widespread  brand  recognition  and  substantially  greater  financial  and  technical  resources  and
development, production and marketing capabilities than we do. Others may develop lower-priced, less complex assays that payers, medical oncologists,
surgical oncologists, urologists, pulmonologists, pathologists and other physicians could view as functionally equivalent to our current or planned future
assays, which could force us to lower the list price of our assays and impact our operating margins and our ability to achieve and maintain profitability. In
addition, technological innovations that result in the creation of enhanced diagnostic tools that are more sensitive or specific than ours may enable other
clinical laboratories, hospitals, physicians or medical providers to provide specialized diagnostic assays similar to ours in a more patient-friendly, efficient
or cost-effective manner than is currently possible. If we cannot compete successfully against current or future competitors, we may be unable to increase
or  create  market  acceptance  and  sales  of  our  current  or  planned  future  assays,  which  could  prevent  us  from  increasing  or  sustaining  our  revenues  or
achieving or sustaining profitability.

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Additionally, projects related to cancer diagnostics and particularly genomics have received increased government funding, both in the United States and
internationally.  As  more  information  regarding  cancer  genomics  becomes  available  to  the  public,  we  anticipate  that  more  products  aimed  at  identifying
targeted treatment options will be developed and that these products may compete with ours. In addition, competitors may develop their own versions of
our current or planned future assays in countries where we did not apply for patents or where our patents have not issued and compete with us in those
countries, including encouraging the use of their assay by physicians or patients in other countries.

Third-Party Suppliers and Manufacturers

Some of the components used in our current or planned future products are currently sourced from a supplier for which alternative suppliers exist, but we
have not validated the products of such alternative suppliers, and substitutes for these components might not be able to be obtained easily or may require
substantial design or manufacturing modifications. Any significant problem experienced by any one of our suppliers may result in a delay or interruption in
the  supply  of  components  to  us  until  that  supplier  cures  the  problem  or  an  alternative  source  of  the  component  is  located  and  qualified.  Any  delay  or
interruption would likely lead to a delay or interruption in our manufacturing operations. The inclusion of substitute components must meet our product
specifications and could require us to qualify the new supplier with the appropriate government regulatory authorities.

Patents and Technology

The proprietary nature of, and protection for, our products, services, processes, and know-how are important to our business. Our success depends in part
on our ability to protect the proprietary nature of our products, services, technology, and know-how, to operate without infringing on the proprietary rights
of others, and to prevent others from infringing our proprietary rights. We seek patent protection in the United States and internationally for our products,
services  and  other  technology.  Our  policy  is  to  patent  or  in-license  the  technology,  inventions  and  improvements  that  we  consider  important  to  the
development of our business.

We also rely on trade secrets, know-how, and continuing innovation to develop and maintain our competitive position. We cannot be certain that patents
will be granted with respect to any of our pending patent applications or with respect to any patent applications filed by us in the future, nor can we be sure
that any of our existing patents or any patents granted to us in the future will be commercially useful in protecting our technology.

Our  success  depends  on  an  intellectual  property  portfolio  that  supports  our  future  revenue  streams  and  erects  barriers  to  our  competitors.  We  are
maintaining and building our patent portfolio through filing new patent applications, prosecuting existing applications, and licensing and acquiring new
patents and patent applications.

Despite  these  measures,  any  of  our  intellectual  property  and  proprietary  rights  could  be  challenged,  invalidated,  circumvented,  infringed  or
misappropriated,  or  such  intellectual  property  and  proprietary  rights  may  not  be  sufficient  to  permit  us  to  take  advantage  of  current  market  trends  or
otherwise  to  provide  competitive  advantages.  For  more  information,  see  the  section  entitled  “Risk  Factors  –  Intellectual  Property  Risks  Related  to  Our
Business.”

We have issued patents with broad claims covering our blood collection tube, antibody cocktail approach, microchannel, CTC detection methodologies,
and  ctDNA  analysis.  In  addition  to  issued  patents  in  the  U.S.,  we  have  patents  for  our  proprietary  microchannel  in  China,  South  Korea,  Europe,  Hong
Kong, Canada and Japan, and for our antibody cocktail in Australia, Europe, Hong Kong and Japan. Our patent estate continues to evolve, and in addition
to the broad patent estate around our CTC platform, we also have issued patents in the U.S., Australia, Europe, Japan, China and South Korea for our novel
switch blocker technology, solidifying our proprietary enrichment methodology for detecting ctDNA with very high sensitivity. Our CTC platform patents
were filed from 2005 through 2012, and we expect to have patent protection into the 2030s. Our CTC patents and applications cover not only cancer as a
target,  but  also  prenatal  and  other  rare  cells  of  interest.  Recently  allowed  patents  in  the  U.S.  cover  the  capture  of  “any  target  of  interest  on  any  solid
surface”  using  our  antibody  capture  approach.  The  patent  for  our  proprietary  specimen  collection  tubes  expire  in  2031,  and  the  patents  for  our  ctDNA
technology expire in the early 2030’s.

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As of December 31, 2019, we owned 36 issued patents and 13 patents pending related to our current technologies. Of these, 9 were issued and 4  were
pending patents in the U.S., while 27 were issued and 11 were pending patents in non-U.S. territories. Separately, we also owned 7 issued patents related to
our earlier microarray and cell analysis technology.

Microfluidic Channels. At December 31, 2019, we had 4 issued U.S. patents that are related to our current business, and in 2018 and 2019 we received an
additional issued patent on our microfluidic channel in each of China and Hong Kong, respectively, in addition to our earlier allowances in Japan, Hong
Kong, Europe, China, and South Korea, which cover our microfluidic channel technology. Further U.S. and foreign patent application are pending.

Blood Collection Tubes. In 2015, we received a U.S. patent related to our blood collection tubes, which contain reagents designed to prevent clumping of
blood cells and CTCs that could clog the microfluidic channels and disrupt our assays.

Antibody Enrichment Cocktail. At December 31, 2019, we had 2 issued and 1 pending U.S. patent application, and 2 broadly issued European patents, as
well as other corresponding foreign patent applications directed to our antibody capture cocktail technology. This technology includes using antibodies to a
number of tumor-associated antigens from cancer cells of both epithelial and mesenchymal phenotype, as well as cancer stem cells.

Enhanced Staining. At December 31, 2019, we had 1 issued U.S. patent, 1 issued Chinese patent, and 1 issued Japanese patent, as well as corresponding
foreign patent applications directed to this technology.

Target-Selector Mutation Detection Technology. At December 31, 2019, we co-owned 1 issued and 1 pending U.S. patent, 1 issued Australian patent, 1
issued Chinese patent, 1 issued Japanese patent, and 1 issued European (7 countries) patent, as well as with Aegea Biotechnologies, Inc., or Aegea. Under
our agreement with Aegea, we have certain exclusive rights for oncology clinical testing and diagnostics as well as limited rights for oncology basic and
clinical research. Aegea is responsible for the prosecution of 1 U.S. patent application, while we are responsible for the prosecution of the second U.S.
application and its corresponding foreign applications. Lyle J. Arnold, Ph.D., our Senior Vice-President of Research & Development and Chief Scientific
Officer, is the controlling person of Aegea.

Operations and Production Facilities

Our  research  and  development  laboratory,  our  CLIA-certified,  CAP  accredited,  and  state-licensed  diagnostic  testing  laboratory,  and  our  manufacturing
facility  are  located  in  our  San  Diego,  California  headquarters.  The  laboratories  employ  commercial  state-of-the-art  equipment  as  well  as  custom-made
components specific to our CTC process that are generated in a small in-house engineering shop. The manufacturing facility used for the production of our
microfluidic channels is a Class 10,000 suite in which polydimethylsiloxane (PDMS) is formed into the base of our proprietary microfluidic channels in a
molding process. A glass cover slip suitable for optical analysis is added to seal the channels and make them watertight. Plasma activation is utilized to
bond  the  polydimethylsiloxane  (PDMS)  with  other  functional  groups  typically  leaving  an  amine  functional  group  for  binding.  The  inside  of  the
microfluidic  channels  is  subsequently  chemically  derivatized  to  enable  the  attachment  of  binding  elements  that  strongly  bind  to  antibody-tagged
(fluorescently conjugated) or coated CTCs. Because the microfluidic channels have micrometer dimensions, and we are seeking individual cells in a blood
sample to interact with the surface of the microfluidic channel, dust particles and other microscopic debris that could clog the channel need to be avoided.
Humidity is also a factor that affects binding capability especially in the plasma activation step.

The process of performing our assays is straightforward. When a health care professional takes a standard venous blood sample from a patient for CTC or
ctDNA testing, he or she will place the blood sample in our blood collection tubes, complete a requisition form, and package the specimen in our shipping
kit for direct shipment to us. Once we receive the specimen at our laboratory and we enter all pertinent information about the specimen into our clinical
laboratory information system, our laboratory technologists prepare the specimen for processing and analysis. Laboratory technologists, including clinical
laboratory technologists and clinical laboratory scientists then conduct the analysis, including enumeration of CTCs and biomarker analysis such as FISH.
Usage  of  fluorescent  tags  enables  colored  imaging  in  this  process  to  increase  the  biomarker  analysis  capability.  The  data,  including  images  and  the
processed cells, are sent to our in-house or contracted pathologists or a commercialization partner’s pathologists who are experienced in the analysis and
evaluation requested by the referring oncologist or pathologist.

After  analysis,  our  in-house  or  contracted  pathologists  or  a  commercialization  partner’s  pathologists  use  laboratory  information  systems  to  prepare  a
comprehensive report, which may include selected relevant images associated with the specimen. Our Internet reporting portal allows a referring oncologist
or pathologist to access his or her patient’s test results in

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real time in a secure manner that we believe to be compliant with the Health Insurance Portability and Accountability Act, or HIPAA, and other applicable
standards. The reports are generated in industry standard .pdf formats which allows for high definition color images to be reproduced clearly. We send the
results to the ordering physician and bill the payer using third-party medical billing software.

Quality Management Program

We have established a Quality Management Program for our research, development and Clinical Laboratory Improvement Amendments (CLIA) certified
testing laboratories. This program is designed to help ensure accurate and timely test results, to produce consistent high-quality testing services, as well as
procedures which allow for the continual improvement of established and new operations. Our Quality Management Program foundation is built upon a
rigorous documentation program which allows transparent quality assurance and performance improvement plans, necessary to ensure the highest quality
of diagnostic testing services. This program is designed to satisfy the requirements of local and state licensures, as well as those for accreditation by CAP.
The CAP accreditation program involves unannounced on-site inspections of our laboratories. CAP is an independent, non-governmental organization of
board-certified  pathologists  that  accredits  laboratories  nationwide  on  a  voluntary  basis  and  that  has  been  recognized  by  the  Center  for  Medicare  &
Medicaid Services, or CMS as an accreditation organization to inspect laboratories to determine adherence to CLIA standards.

We are committed to providing reliable and accurate diagnostic testing to our customers. Accurate specimen sample management, timely communication of
test  results,  and  strict  adherence  to  patient  privacy  policies  are  a  critical  core  competency  of  our  company.  We  monitor  and  improve  our  performance
through our internal audit program, which investigates any abhorrent results, continually track performance indicators, perform internal proficiency testing
and host external quality audits, primarily conducted by CAP.

In addition to the compulsory proficiency programs and external inspections required by CMS and other regulatory agencies, we have developed a variety
of internal systems and procedures to emphasize, monitor and continuously improve the quality of our operations. We maintain internal quality controls by
routinely processing specimens with known diagnoses in parallel with patient specimens. We also have an internally administered proficiency program for
specimen testing.

Third-Party Payer Reimbursement

Revenues from our clinical laboratory testing are derived from several different sources. Depending on the billing arrangement, instructions of the ordering
physician and applicable law, parties that reimburse us for our services include:

•

•

•

•

•

Third-party  payers  that  provide  coverage  to  the  patient,  such  as  an  insurance  company,  a  managed  care  organization  or  a  governmental  payer
program;

physicians or other authorized parties, such as hospitals or independent laboratories, that order the testing service or otherwise refer the services to
us;

patients  in  cases  where  the  patient  has  no  insurance,  has  insurance  that  partially  covers  and  reimburses  the  testing,  or  owes  a  co-payment,  co-
insurance or deductible amount;

collaboration partners; or

biopharmaceutical companies, universities or researchers for clinical trial work.

We are reimbursed for two categories of testing, anatomic pathology, which includes cell staining and the enumeration component of CTC assays, FISH,
ICC and immunofluorescence, and molecular pathology, which includes mutation analysis. Reimbursement under the Medicare program for the diagnostic
services that we offer is based on either the Medicare Physician Fee Schedule, or PFS, or the Medicare Clinical Laboratory Fee Schedule, or CLFS, each of
which is subject to geographic adjustments and is updated annually. Medical services provided to Medicare beneficiaries that require a degree of physician
supervision,  judgment  or  other  physician  involvement,  such  as  pathology  services,  are  generally  reimbursed  under  the  PFS,  whereas  clinical  diagnostic
laboratory tests are generally reimbursed under the CLFS. Some of the services that we provide are genetic and molecular testing, which are reimbursed as
clinical diagnostic laboratory tests.

Regardless of the applicable fee schedule, Medicare payment amounts are established for each Current Procedural Terminology, or CPT, code. In addition,
under the Clinical Laboratory Fee Schedule, Medicare also sets a cap on the amount

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that it will pay for any individual assay. This cap, usually referred to as the National Limitation Amount, is set at a percentage of the median of all the
contractor fee schedule amounts for each billing code.

Medicare also has policies that may limit when we can bill directly for our services and when we must instead bill another provider, such as a hospital.
When the testing that we perform is done on a specimen that was collected while the patient was in the hospital, as either an inpatient or outpatient, we may
be required to bill the hospital for clinical laboratory services and for the technical component of pathology services. Which party is to be billed depends
primarily on whether the service was ordered at least 14 days after the patient’s discharge from the hospital. Complying with these requirements is complex
and time-consuming and may affect our ability to collect for our services. In addition, hospitals may refuse to pay our invoices or may demand pricing that
negatively affects our profit margin.

Medicare generally requires a beneficiary to pay a 20% co-insurance amount for most services billed under the PFS. Medicare covers the remaining 80% in
such  circumstances.  There  is  currently  no  patient  co-payment  or  co-insurance  amount  applicable  to  testing  billed  under  the  CLFS.  Patients  often  have
supplemental insurance policies that cover the co-insurance amount for physician services.

Medicare has coverage policies that can be national or regional in scope. Coverage means that assay is approved as a benefit for Medicare beneficiaries. If
there is no coverage, neither the supplier nor any other party, such as a reference laboratory, may receive reimbursement from Medicare for the service.
There is currently no national coverage policy regarding the CTC enumeration portion of our testing. Because our laboratory is in California, the regional
Medicare Administrative Contractor, or MAC, for California is the relevant MAC for all our testing. The previous MAC for California, Palmetto GBA,
LLC,  or  Palmetto,  which  is  contracted  with  CMS  to  administer  the  Molecular  Diagnostic  Services,  or  MolDx,  program  that  sets  guidelines  for  coding,
coverage and reimbursement of molecular diagnostic assays, adopted a negative coverage policy for CTC enumeration. The current MAC for California,
Noridian Healthcare Solutions, LLC, is adopting the coverage policies from Palmetto. Therefore, the enumeration portion of our testing is not currently
covered,  and  we  will  receive  no  payment  from  Medicare  for  this  portion  of  the  service  unless  and  until  the  coverage  policy  is  changed.  Although
approximately  76%  and  78%  of  all  billable  cases  received  during  the  years  ended  December  31,  2018  and  2019,  respectively,  relate  to  our  Target-
Selector™  biomarker  assays,  we  continue  to  receive  orders  for  our  traditional  enumeration  testing,  which  counts  disease  burden,  and  therefore  the
enumeration testing receives no payment from Medicare based upon the existing coverage decision. The CTC enumeration counts disease burden and is a
prognostic test, and although oncologists find the information valuable, it does not currently meet many of the medical necessity requirements of Medicare
and the payers. We intend to pursue payment for the capture portion of our CTC technology that allows us to run our diagnostic testing for some of our
Target-Selector™ assays.

Reimbursement  rates  paid  by  private  third-party  payers  can  vary  based  on  whether  we  are  considered  to  be  an  “in-network”  provider,  a  participating
provider, a covered provider, an “out-of-network” provider or a non-participating provider. These definitions can vary among payers, but we are generally
considered  an  “out-of-network”  or  non-participating  provider  by  the  vast  majority  of  private  third-party  payers.  An  in-network  provider  usually  has  a
contract  with  the  payer  or  benefits  provider.  This  contract  governs,  among  other  things,  service-level  agreements  and  reimbursement  rates.  In  certain
instances, an insurance company may negotiate an in-network rate for our testing. An in-network provider may have rates that are lower per assay than
those  that  are  out-of-network,  and  that  rate  can  vary  widely.  The  rate  varies  based  on  the  payer,  the  testing  type  and  often  the  specifics  of  the  patient’s
insurance plan. If a laboratory agrees to contract as an in-network provider, it generally expects to receive quicker payment and access to additional covered
patients.

Billing and Billing Codes for Third-Party Payer Reimbursement

CPT codes are the main billing code set used by physicians, hospitals, laboratories and other health care professionals to report separately-payable clinical
laboratory and pathology services for reimbursement purposes. The CPT coding system is maintained and updated on an annual basis by the American
Medical Association. We believe there are existing codes that describe nearly all of the steps in our testing process. We currently use a combination of
codes to bill for our testing and analysis.

In order to ensure our coding is compliant, we have engaged industry experts to provide guidance on the proper coding of our assays. These experts include
consultants  at  Senergene  Solutions,  LLC,  Codemap,  LLC  and  ADVI  Health,  LLC.  However,  coding  can  be  complex,  and  payers  may  require  differing
codes  for  a  given  assay  to  effect  payment.  Changes  in  coding  and  reimbursement  could  adversely  impact  our  revenues  going  forward,  or  payers  could
request that we reimburse them for

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payments we have already received. There can be no guarantees that Medicare and other payers will establish new positive or adequate coverage policies or
reimbursement rates, or not change existing positive coverage policies, in the future.

We  are  moving  forward  with  plans  to  obtain  reimbursement  coverage  for  the  capture  components  of  our  assays.  For  other  tests,  we  are  able  to  utilize
existing  CPT  codes  from  the  PFS  and  CLFS.  For  these  established  CPT  codes  (for  example,  the  codes  for  molecular  testing,  FISH  and  ICC),  positive
coverage determinations have been adopted as part of national Medicare policy or under applicable Local Coverage Determinations. Specific codes for our
assays, however, do not assure an adequate coverage policy or reimbursement rate. Please see the section entitled “Legislative and Regulatory Changes
Impacting Clinical Laboratory Tests” for further discussion of certain legislative and regulatory changes to these billing codes and the anticipated impact on
our business.

Coverage and Reimbursement for our Current Assays and our Planned Future Assays

Our Medicare Administrative Contractor has issued a negative coverage determination for the enumeration component of all CTC assays. We have received
reimbursement for the enumeration component of our assays from some private payers, including major private third-party payers, based on submission of
standard  CPT  codes.  FISH,  ICC  and  Molecular  Testing  CPT  codes  are  the  subject  of  positive  coverage  national  or  local  Medicare  determinations.  We
believe these codes can be used to bill for the analysis components of our current and planned future CTC assays, however, CMS, Palmetto or Noridian
could adopt specific negative coverage policies for CTCs or ctDNA analysis in the future.

We expect these analysis components to have a significantly greater reimbursement value than the enumeration components of our current and anticipated
CTC assays, based on a comparison of what we believe CellSearch® enumeration reimbursement rates currently are, versus existing reimbursement rates
for analysis components such as FISH and ICC analysis and molecular testing.

Additionally,  on  March  16,  2018  CMS  issued  a  final  determination  decision  memo  for  Next-Generation  Sequencing,  or  NGS,  tests  for  Medicare
Beneficiaries  with  Advanced  Cancer  (CAG-00450N).    Under  this  final  determination,  NGS  tests  that  gain  FDA  approval  or  clearance  as  a  companion
diagnostic will receive coverage, and the final determination of coverage for NGS tests that are LDTs will be left up to the local MAC. Currently, only 1 of
our 15 CLIA validated assays is NGS-based; however, we plan to offer additional NGS assays in the future. To gain coverage for those assays, we will
need  to  apply  to  Palmetto,  which  is  the  MAC  that  evaluates  and  recommends  payment  coverage  or  denial  for  molecular  testing  in  our  jurisdiction.
Historically, Palmetto has offered a path to reimbursement by providing coverage while data is being gathered known as Coverage with Data Development,
or CDD. Going forward, the extent to which CDD will be continued, if at all, or to the extent that a process will be available in its place, if any, are unclear.

We believe, based on research showing that approximately 54% of new cancers occur in persons age 65 and older and that almost all Americans age 65 and
older are enrolled in Medicare that a substantial portion of the patients for whom we would expect to perform cancer diagnostic assays will have Medicare
as their primary medical insurance. We cannot assure you that, even if our current and our planned future assays are otherwise successful, reimbursement
for  the  currently  Medicare-covered  portions  of  our  current  and  our  planned  future  assays  would,  without  Medicare  reimbursement  for  the  enumeration
portion, produce sufficient revenues to enable us to reach profitability and achieve our other commercial objectives.

Where there is a private or governmental third-party payer coverage policy in place, we bill the payer and the patient in accordance with the established
policy. Where there is no coverage policy in place, we pursue reimbursement on a case-by-case basis. Our efforts in obtaining reimbursement based on
individual claims, including pursuing appeals or reconsiderations of claims denials, could take a substantial amount of time, and bills may not be paid for
many  months,  if  at  all.  Furthermore,  if  a  third-party  payer  denies  coverage  after  final  appeal,  payment  may  not  be  received  at  all.  We  are  working  to
decrease risks of nonpayment by implementing a revenue cycle management system.

We cannot predict whether, or under what circumstances, payers will reimburse for all components of our assays. Payment amounts can also vary across
individual  policies.  Full  or  partial  denial  of  coverage  by  payers,  or  reimbursement  at  inadequate  levels,  would  have  a  material  adverse  impact  on  our
business and on market acceptance of our assays.

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Legislative and Regulatory Changes Impacting Clinical Laboratory Tests

From time to time, Congress has revised the Medicare statute and the formulas it establishes for both the CLFS, and the PFS. Annually, CMS releases the
payment amounts under the Medicare fee schedules. The rates are important because they not only determine our reimbursement under Medicare, but those
payment amounts are also often used as a basis for payment amounts set by other governmental and private third-party payers. For example, state Medicaid
programs are prohibited from paying more than the Medicare fee schedule limit for clinical laboratory services furnished to Medicaid recipients.

In  accordance  with  Section  1833  (h)(2)(A)(i)  of  the  Social  Security  Act,  the  annual  update  to  the  CLFS  for  calendar  year  2019  was  2.30%  (see  42
CFR405.509(b)(1)). With respect to our diagnostic services for which we expect to be reimbursed under PFS, CMS issues a Final Rule on an annual basis.
Since  2015,  the  PFS  Final  Rules  have  included  both  increases  and  decreases  in  certain  relative  value  units  and  geographic  adjustment  factors  used  to
determine  reimbursement  for  a  number  of  codes  used  in  our  current  assays  and  our  planned  future  assays.  These  codes  describe  services  that  we  must
perform in connection with our assays and we bill for these codes in connection with the services that we provide.

Additionally, the Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act, or collectively the ACA,
enacted in March 2010, makes a number of substantial changes in the way health care is financed by both governmental and private insurers.

Although some of these provisions may negatively impact payment rates for clinical laboratory tests, the ACA also extended coverage to over 30 million
previously uninsured people, which resulted in an increase in the demand for certain diagnostic assays. There remain judicial and Congressional challenges
to certain aspects of the ACA, as well as efforts by the Trump administration to repeal or replace certain aspects of the ACA. Since  January  2017,  the
President of the United States has signed two executive orders and other directives designed to delay, circumvent, or loosen certain requirements mandated
by the ACA. Concurrently, Congress has considered legislation that would repeal or repeal and replace all or part of the ACA. While Congress has not
passed comprehensive repeal legislation, it has enacted laws that modify certain provisions of the ACA such as removing penalties effective January 1,
2019, for not complying with the ACA’s individual mandate to carry health insurance and eliminating the implementation of certain ACA-mandated fees,
including but not limited the Medical Device Excise Tax. On December 14, 2018, a Texas U.S. District Court Judge ruled that the ACA is unconstitutional
in its entirety because the “individual mandate” was repealed by Congress as part of legislation enacted in 2017, informally titled the Tax Cuts and Jobs Act
of 2017. Additionally, on December 18, 2019, the U.S. Court of Appeals for the 5th Circuit upheld the District Court ruling that the individual mandate was
unconstitutional and remanded the case back to the District Court to determine whether the remaining provisions of the ACA are invalid as well. On March
2, 2020, the United States Supreme Court granted the petitions for writs of certiorari to review this case and has allotted one hour for oral arguments. It is
unclear how such litigation and other efforts to repeal and replace the ACA will impact the ACA.

Moreover,  other  legislative  changes  have  been  proposed  and  adopted  since  the  ACA  was  enacted.  The  Protecting  Access  to  Medicare  Act  of  2014,  or
PAMA, was signed to law, which, among other things, significantly altered the current payment methodology under the CLFS. Under the new law, issued
in  2016  and  the  reporting  period  beginning  in  2017  and  every  three  years  thereafter  (or  annually  in  the  case  of  advanced  diagnostic  laboratory  tests),
applicable  clinical  laboratories  must  report  laboratory  test  payment  data  for  each  Medicare-covered  clinical  diagnostic  laboratory  test  that  it  furnishes
during the specified time period. The reported data must include the payment rate (reflecting all discounts, rebates, coupons and other price concessions)
and the volume of each test that was paid by each private payer (including health insurance issuers, group health plans, Medicare Advantage plans and
Medicaid managed care organizations). Effective January 1, 2018, the Medicare payment rate for each clinical diagnostic laboratory test is equal to the
weighted  median  amount  for  the  test  from  the  most  recent  data  collection  period.  The  payment  rate  applies  to  laboratory  tests  furnished  by  a  hospital
laboratory if the test is separately paid under the hospital outpatient prospective payment system. The PAMA rate changes to our tests that were impacted
did not materially affect our payments beginning in 2018; however, we cannot predict how this may change future payment in coming years. Also, under
PAMA, CMS is required to adopt temporary billing codes to identify new tests and new advanced diagnostic laboratory tests that have been cleared or
approved by the FDA. For an existing test that is cleared or approved by the FDA and for which Medicare payment is made as of April 1, 2014, CMS is
required to assign a unique billing code if one has not already been assigned by the agency. In addition to assigning the code, CMS is required to publicly
report payment for the tests. Further, under PAMA, CMS is required to adopt temporary billing codes to identify new tests and new advanced diagnostic
laboratory tests that have been cleared or approved by the FDA.

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Further, with respect to the Medicare program, Congress has proposed on several occasions to impose a 20% coinsurance charge on patients for clinical
laboratory tests reimbursed under the Medicare Clinical Laboratory Fee Schedule, which would require us to bill patients for these amounts. Because of the
relatively  low  reimbursement  for  many  clinical  laboratory  tests,  in  the  event  that  Congress  were  to  ever  enact  such  legislation,  the  cost  of  billing  and
collecting for these services would often exceed the amount actually received from the patient and effectively increase our costs of billing and collecting.

Some  of  our  Medicare  claims  may  be  subject  to  policies  issued  by  Palmetto  and  Noridian  Healthcare  Solutions,  our  former  and  current  MACs  for
California, respectively. Palmetto has issued a Local Coverage Determination, whereby Palmetto will not cover many molecular diagnostic assays, such as
the enumeration component of our current assays, unless the test is expressly included in a National Coverage Determination issued by CMS or a Local
Coverage  Determination  or  coverage  article  issued  by  Palmetto.  Currently,  laboratories  may  submit  coverage  determination  requests  to  Palmetto  for
consideration and apply for a unique billing code for each assay (which is a separate process from the coverage determination). In the event that a non-
coverage  determination  is  issued,  the  laboratory  must  wait  six  months  following  the  determination  to  submit  a  new  request.  Palmetto  currently  has  a
negative  coverage  determination  for  the  enumeration  component  of  CTC  assays,  but  there  is  no  such  negative  coverage  determination  for  the  analysis
component of such CTC assays. Denial (or continuation of denial) of coverage for the enumeration component of our current and anticipated CTC assays
by  Palmetto  or  its  successor  MAC,  Noridian  Healthcare  Solutions,  which  adopts  coverage  policies  set  by  the  MolDx  program,  or  reimbursement  at
inadequate levels, would have a material adverse impact on our business and on market acceptance of our current assays and our planned future assays.
Noridian Healthcare Solutions intends to follow, for CTC assays, the positive or negative coverage determinations which from time to time Palmetto makes
as  well  as  any  coverage  policy  changes  set  by  the  MolDx  program.  On  November  27,  2013,  Palmetto  denied  our  request  for  coverage  for  the
enumeration/detection  portion  of  our  testing.  We  have  not  received  any  other  indications  to  suggest  that  the  negative  coverage  determination  will  be
reversed. The CTC enumeration counts disease burden and is a prognostic test, and although oncologists find this information valuable, it does not meet
many of the medical necessity requirements of Medicare and the payers. We intend to pursue payment for the capture portion of our CTC technology that
allows us to run our diagnostic testing for some of our Target-Selector™ assays.

Additionally, the Centers for Disease Control and Prevention, CMS and the Office of Civil Rights issued a final rule in February 2014 to amend both the
HIPAA and CLIA regulations. The final rule amended the HIPAA privacy rule to remove the CLIA laboratory exceptions, and as a result, HIPAA-covered
laboratories are now required to provide individuals, upon request, with access to their completed test reports. Similarly, the final rule amended CLIA to
state  that  CLIA  laboratories  and  CLIA-exempt  laboratories  may  provide  copies  of  the  patient’s  completed  rest  reports  that,  using  the  laboratory’s
authentication process, can be identified as belonging to that patient.

Governmental Regulations

Clinical Laboratory Improvement Amendments of 1988 and State Regulation

As a provider of laboratory testing on human specimens for the purpose of diagnosis, prevention, or treatment, we are required to hold certain federal, state
and local licenses, certifications and permits to conduct our business. In 1988, Congress enacted Clinical Laboratory Improvement Amendment of 1988, or
CLIA,  which  established  quality  standards  for  all  laboratories  providing  testing  to  ensure  the  accuracy,  reliability  and  timeliness  of  patient  test  results
regardless of where the test was performed. Our laboratory holds a CLIA certificate of accreditation from the College of American Pathologists, or CAP,
and is in good standing. As to state laws, we are required to meet certain laboratory licensing and other requirements. Our laboratory holds the required
licenses  from  the  applicable  state  agencies  in  which  we  operate.  For  more  information  on  state  licensing  requirements,  see  the  sections  entitled  see  the
section  entitled  “Governmental  Regulations—California  State  Laboratory  Licensing”  and  “Governmental  Regulations—Other  States’  Laboratory
Licensing.”

Under CLIA, a laboratory is defined as any facility which performs laboratory testing on specimens derived from humans for the purpose of providing
information for the diagnosis, prevention or treatment of disease, or the impairment of, or assessment of health of human beings. CLIA also requires that
we hold a certificate applicable to the complexity of the categories of testing we perform and that we comply with certain standards. CLIA further regulates
virtually  all  clinical  laboratories  by  requiring  they  comply  with  various  operational,  personnel,  facilities  administration,  quality  and  proficiency  testing
requirements intended to ensure that their clinical laboratory testing services are accurate, reliable and timely. CLIA certification is also a prerequisite to be
eligible  to  be  reimbursed  for  services  provided  to  state  and  federal  health  care  program  beneficiaries.  CLIA  is  user-fee  funded.  Therefore,  all  costs  of
administering the program must be covered by the regulated facilities, including certification and survey costs.

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We  are  subject  to  survey  and  inspection  every  two  years  to  assess  compliance  with  program  standards  and  may  be  subject  to  additional  unannounced
inspections. Laboratories performing high complexity testing are required to meet more stringent requirements than laboratories performing less complex
tests. In addition, a laboratory like ours that is certified as “high complexity” under CLIA may obtain analyte-specific reagents, which are used to develop
laboratory developed tests, or LDTs.

In addition to CLIA requirements, we must comply with the standards set by CAP, which accredits our laboratory. Under CMS requirements, accreditation
by CAP is sufficient to satisfy the requirements of CLIA. Therefore, because we are accredited by CAP, we are deemed to also comply with CLIA. CLIA
also provides that a state may adopt laboratory regulations that are more stringent than those under federal law, and certain states have implemented their
own more stringent laboratory regulatory schemes.

Federal, State and Foreign Fraud and Abuse Laws

A variety of federal and state laws prohibit fraud and abuse regarding the preparation and submissions of claims for services as well as avoiding unlawful
inducements in our relations with those who may refer patients to our laboratory. These laws are interpreted broadly and enforced aggressively by various
state  and  federal  agencies,  including  CMS,  the  Department  of  Justice,  the  Office  of  Inspector  General  for  the  U.S.  Department  of  Health  and  Human
Services, or HHS, and various state agencies. In addition, the Medicare and Medicaid programs increasingly use a variety of contractors to review claims
data and to identify improper payments as well as fraud and abuse. These contractors include Recovery Audit Contractors, Medicaid Integrity Contractors
and Zone Program Integrity Contractors. In addition, CMS conducts Comprehensive Error Rate Testing audits, the purpose of which is to detect improper
Medicare payments. In addition, many private insurers as well as other managed care organizations have their own internal auditing programs to ensure
against any false claims being submitted.  Any overpayments identified must be repaid unless a favorable decision is obtained on appeal. In some cases,
these overpayments can be used as the basis for an extrapolation, by which the error rate is applied to a larger universe of claims, and which can result in
even higher repayments.

The federal Anti-Kickback Statute prohibits, among other things, knowingly and willfully offering, paying, soliciting, receiving, or providing remuneration,
directly or indirectly, to induce or in return for either the referral of an individual, or the furnishing, recommending, or arranging for the purchase, lease or
order of any health care item or service reimbursable, in whole or in part, under a federal health care program. The definition of “remuneration” has been
broadly  interpreted  to  include  anything  of  value,  including  gifts,  discounts,  credit  arrangements,  payments  of  cash,  ownership  interests  and  providing
anything at less than its fair market value. Recognizing that the federal Anti-Kickback Statute is broad and may technically prohibit many innocuous or
beneficial arrangements within the health care industry, the Office of Inspector General for HHS has issued a series of regulatory “safe harbors.” These safe
harbor regulations set forth certain requirements that, if met, will assure immunity from prosecution under the federal Anti-Kickback Statute. Although full
compliance with these provisions protects against prosecution under the federal Anti-Kickback Statute, the failure of a transaction or arrangement to fit
within a specific safe harbor does not necessarily mean that the transaction or arrangement is illegal or that prosecution under the federal Anti-Kickback
Statute will be pursued. For further discussion of the impact of federal and state health care fraud and abuse laws and regulations on our business, see the
section  entitled  “Risk  Factors—Regulatory  Risks  Relating  to  Our  Business.”  We  are  subject  to  federal  and  state  health  care  fraud  and  abuse  laws  and
regulations and could face substantial penalties if we are unable to fully comply with such laws.

In addition, the Health Insurance Portability and Accountability Act of 1996, or HIPAA, also created new federal civil and criminal penalties, regarding
health care fraud and false statements relating to health care matters. The health care fraud statute prohibits knowingly and willfully executing a scheme to
defraud any health care benefit program, including private third-party payers. A violation of this statute is a felony and may result in fines, imprisonment or
exclusion from federal health care programs, such as the Medicare and Medicaid programs. The false statements statute prohibits knowingly and willfully
falsifying, concealing or covering up a material fact or making any materially false, fictitious or fraudulent statement in connection with the delivery of or
payment for health care benefits, items or services. A violation of this statute is a felony and may result in fines, imprisonment or exclusion from federal
health care programs.

Another  development  affecting  the  health  care  industry  is  the  increased  enforcement  of  the  federal  False  Claims  Act  and,  in  particular,  actions  brought
pursuant to the False Claims Act’s “whistleblower” or “qui tam” provisions. The False Claims Act imposes liability on any person or entity that, among
other things, knowingly presents, or causes to be presented, a false or fraudulent claim for payment to the federal government. The qui tam provisions of
the False Claims Act allow a private individual to bring actions on behalf of the federal government and permit such individuals to share in any amounts
paid by

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the entity to the government in fines or settlement. In addition, various states have enacted false claim laws analogous to the federal False Claims Act, and
some of these state laws apply where a claim is submitted to any third-party payer. When an entity is determined to have violated the False Claims Act, it
may be required to pay up to three times the actual damages sustained by the government, plus significant civil monetary penalties.

Additionally, the civil monetary penalties statute imposes penalties against any person or entity that, among other things, is determined to have presented or
caused to be presented a claim to a federal health program that the person knows or should know is for an item or service that was not provided as claimed
or is false or fraudulent.

The  federal  Physician  Payments  Sunshine  Act  requires  certain  manufacturers  of  drugs,  devices,  biologics  and  medical  supplies  for  which  payment  is
available under Medicare, Medicaid or the Children’s Health Insurance Program (with certain exceptions) to report annually to CMS, information related to
payments or other transfers of value made to physicians, as defined by such law, and teaching hospitals, as well as ownership and investment interests held
by physicians and their immediate family members. However, at this time, such reporting requirements do not extend to clinical laboratories such as ours.

Also, many states have laws similar to those listed above that may be broader in scope and may apply regardless of payer.

Additionally,  in  Europe  various  countries  have  adopted  anti-bribery  laws  providing  for  severe  consequences,  in  the  form  of  criminal  penalties  and/or
significant  fines  for  individuals  and/or  companies  committing  a  bribery  offence.  Violations  of  these  anti-bribery  laws,  or  allegations  of  such  violations,
could have a negative impact on our business, results of operations and reputation. For instance, in the United Kingdom, under the Bribery Act 2010, a
bribery occurs when a person offers, gives or promises to give a financial or other advantage to induce or reward another individual to improperly perform
certain functions or activities, including any function of a public nature. Bribery of foreign public officials also falls within the scope of the Bribery Act
2010. Under the new regime, an individual found in violation of the Bribery Act 2010 faces imprisonment of up to 10 years. In addition, the individual can
be subject to an unlimited fine, as can commercial organizations for failure to prevent bribery.

Despite our implementation of a robust healthcare compliance program, we may be subject, from time to time, to inspections, investigations, and other
enforcement actions by governmental authorities. If we are found not to be in compliance with applicable laws or regulations, the applicable governmental
authority  can  impose  significant  civil,  criminal  and  administrative  penalties,  such  as  fines,  delay,  suspend,  or  revoke  regulatory    approvals,  institute
proceedings  to  recoupment  of  monies,  impose  marketing  or  operating  restrictions,  enjoin  future  violations,  imprisonment,  exclusion  from  government
funded healthcare programs such as Medicare and Medicaid, integrity oversight and reporting obligations, and assess similar  significant penalties against
our officers or employees.

Physician Self-Referral Prohibitions

Under  a  federal  law  directed  at  “self-referral,”  commonly  known  as  the  “Stark  Law”,  there  are  prohibitions,  with  certain  exceptions,  on  Medicare  and
Medicaid payments for laboratory tests referred by physicians who personally, or through a family member, have a “financial relationship”—including an
investment  or  ownership  interest  or  a  compensation  arrangement—with  the  clinical  laboratory  performing  the  tests.  Several  Stark  Law  exceptions  are
relevant to arrangements involving clinical laboratories, including: (1) fair market value compensation for the provision of items or services; (2) payments
by  physicians  to  a  laboratory  for  clinical  laboratory  services;  (3)  certain  space  and  equipment  rental  arrangements  that  satisfy  certain  requirements,
(4) personal services arrangements that satisfy certain requirements; and (v) ownership in certain publicly traded companies. The laboratory cannot submit
claims to the Medicare Part B program for services furnished in violation of the Stark Law, and Medicaid reimbursements may be at risk as well. Penalties
for violating the Stark Law include significant civil, criminal and administrative penalties, such as the return of funds received for all prohibited referrals,
fines,  civil  monetary  penalties  exclusion  from  the  federal  health  care  programs  integrity  oversight  and  reporting  obligations,  and  imprisonment.  Many
states have comparable laws that are not limited to Medicare and Medicaid referrals.

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Corporate Practice of Medicine

A  number  of  states,  including  California,  do  not  allow  business  corporations  to  employ  physicians  to  provide  professional  services  to  patients.  This
prohibition against the “corporate practice of medicine” is aimed at preventing corporations such as us from exercising control over the medical judgments
or  decisions  of  physicians  in  treating  patients.  The  state  licensure  statutes  and  regulations  and  agency  and  court  decisions  that  enumerate  the  specific
corporate practice rules vary considerably from state to state and are enforced by both the courts and regulatory authorities, each with broad discretion. If
regulatory authorities or other parties in any jurisdiction successfully assert that we are engaged in the unauthorized corporate practice of medicine, we
could be required to restructure our contractual and other arrangements. In addition, violation of these laws may result in significant civil, criminal and
administrative penalties, such as sanctions imposed against us and/or the professional through licensure proceedings, and exclusion from state and federal
health care programs. However, it is important to note that laboratories may contract with physicians to act as medical directors for their company as long
as none of the compensation is for professional services rendered to patients.

Direct Billing Laws and Other State Law Restrictions on Billing for Laboratory Services

Laws and regulations in certain states prohibit laboratories from billing physicians or other purchasers directly for testing that they order. Some of those
laws and regulations apply only to anatomic pathology services while others extend to other types of testing. Some states may allow laboratories to bill
physicians directly but may prohibit the physician (and, in some cases, other purchasers) from charging more than the purchase price for the services (or
may allow only for the recovery of acquisition costs) or may require disclosure of certain information on the invoice. In some cases, and if not prohibited
by law or regulation, we may bill physicians, hospitals and other laboratories directly for the services that they order. An increase in the number of states
that impose similar restrictions could adversely affect us by encouraging physicians to perform laboratory services in-house or by causing physicians to
refer services to other laboratories that are not subject to the same restrictions.

CMS promulgated in 2009, a revision to the regulation that prohibits the mark up of purchased diagnostic services 42 C.F.R. §414.50 (the “Anti-Markup
Rule”).  The  Anti-Markup  Rule  prohibits  a  physician  or  other  supplier  from  marking  up  the  price  paid  for  the  technical  or  professional  component  of  a
diagnostic test that was ordered by the billing physician or supplier and which was performed by a physician who does not share a practice with the billing
physician  or  supplier.  The  billing  physician  is  prohibited  from  billing  the  Medicare  program  an  amount  greater  than  the  lesser  of:  (i)  the  performing
supplier’s net charge to the billing physician; (ii) the billing physician’s actual charge; or (iii) the fee schedule amount for the test that would be allowed if
the performing supplier billed directly.

Physician Licensing

A number of the states where specimens originate require that the physician interpreting those specimens be licensed by that particular state. Physicians
who fail to comply with these licensure requirements could face fines or other penalties for practicing medicine without a license and we could be required
to  pay  those  fines  on  behalf  of  our  pathologists  or  subject  to  liability  under  the  federal  False  Claims  Act  and  similar  state  laws  if  we  bill  for  services
furnished by unlicensed pathologists. We do not believe that the services our pathologists perform constitute the practice of medicine in any state in which
our pathologists are not licensed.

In addition, many states also prohibit the splitting or sharing of fees between physicians and non-physician entities. We do not believe that our contractual
arrangements with physicians, physician group practices or hospitals will subject us to claims under such regulations. However, changes in the laws may
necessitate modifications in our relationships with our clients.

California State Laboratory Licensing

Our  laboratory  is  licensed  and  in  good  standing  under  the  State  of  California  Department  of  Public  Health  standards.  Our  current  licenses  permit  us  to
receive specimens obtained in California.

California state laws and regulations also establish standards for the day-to-day operations of clinical laboratories, including physical facility requirements
and  equipment,  quality  control  and  proficiency  testing  requirements.  If  we  are  found  to  be  out  of  compliance  with  California  statutory  or  regulatory
standards, we may be subject to suspension, restriction or revocation of

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our  laboratory  license  or  assessed  civil  money  penalties.  The  operator  of  a  noncompliant  laboratory  may  also  be  found  guilty  of  a  misdemeanor  under
California law. A finding of noncompliance, therefore, may result in harm to our business.

Other States’ Laboratory Licensing

Several  states  require  the  licensure  of  out-of-state  laboratories  that  accept  specimens  from  those  states.  We  hold  licenses  from  the  states  of  Maryland,
Pennsylvania and Rhode Island to test specimens from patients in those states or received from ordering physicians in those states. We are currently in the
process of addressing the requirements for licensure in New York.

From time to time, other states may require out of state laboratories to obtain licensure in order to accept specimens from such states. If we identify any
other state with such requirements or if we are contacted by any other state advising us of such requirements, we intend to follow instructions from the state
regulators as to how we should comply with such requirements.

U.S. Food and Drug Administration

We  perform  our  laboratory  tests  as  LDTs.  Historically;  the  FDA  has  exercised  enforcement  discretion  with  respect  to  most  LDTs  and  has  not  required
laboratories that offer LDTs to comply with the agency’s requirements for medical devices (e.g., establishment registration, device listing, quality systems
regulations, premarket clearance or premarket approval, and post-market controls). In recent years, however, the FDA has stated it intends to end its policy
of enforcement discretion and regulate certain LDTs as medical devices. To this end, on October 3, 2014, the FDA issued two draft guidance documents,
entitled  “Framework  for  Regulatory  Oversight  of  Laboratory  Developed  Tests  (LDTs)”  and  “FDA  Notification  and  Medical  Device  Reporting  for
Laboratory  Developed  Tests  (LDTs)”,  respectively,  that  set  forth  a  proposed  risk-based  regulatory  framework  that  would  apply  varying  levels  of  FDA
oversight to LDTs. The FDA has indicated that it does not intend to modify its policy of enforcement discretion until the draft guidance documents are
finalized. In January 2017, the FDA announced that final guidance on the oversight of LDTs would allow for further public discussion. On January 13,
2017 the FDA issued a “Discussion Paper on Laboratory Developed Tests (LDTs),” which states that the material in the document does not represent a final
version of the LDT draft guidance documents that were published in 2014 or position of the FDA; rather, the document is a method to encourage additional
dialogue.  The  timing  of  when,  if  at  all,  the  draft  guidance  documents  will  be  finalized  is  unclear,  and  even  then,  the  new  regulatory  requirements  are
proposed to be phased-in consistent with the schedule set forth in the guidance. Nevertheless, the FDA may decide to regulate certain LDTs on a case-by-
case basis at any time. LDTs with the same intended use as a cleared or approved companion diagnostic are defined in FDA’s draft guidance as “high-risk
LDTs (Class III medical devices)” for which premarket review would be first to occur.

We provide our Target Selector Kit Product, ctDNA, EGFR, for research use only, or RUO, applications, although our customers may use these products to
develop their own products that are subject to regulation by the FDA. RUO products fall under the FDA’s jurisdiction if they are used for clinical rather
than  research  purposes.  Consequently,  our  products  are  labeled  “For  Research  Use  Only.”   The  FDA’s  2013  Guidance  for  Industry  and  Food  and  Drug
Administration Staff on “Distribution of In Vitro Diagnostic Products Labeled for Research Use Only or Investigational Use Only,” explains that the FDA
will review the totality of the circumstances when evaluating whether equipment and testing components are properly labeled as RUO. Merely including a
labeling  statement  that  a  product  is  intended  for  research  use  only  will  not  necessarily  exempt  the  device  from  the  FDA’s  510(k)  clearance,  premarket
approval, or other requirements, if the circumstances surrounding the distribution of the product indicate that the manufacturer intends its product to be
used for clinical diagnostic use. These circumstances may include written or verbal marketing claims or links to articles regarding a product’s performance
in  clinical  applications,  a  manufacturer’s  provision  of  technical  support  for  clinical  validation  or  clinical  applications,  or  solicitation  of  business  from
clinical laboratories, all of which could be considered evidence of intended uses that conflict with RUO labeling.

Failure to comply with applicable FDA regulatory requirements may trigger a range of enforcement actions by the FDA including warning letters, civil monetary
penalties, injunctions, criminal prosecution, recall or seizure, operating restrictions, partial suspension or total shutdown of production, and denial of or challenges
to applications for clearance or approval, as well as significant adverse publicity.

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Other Regulatory Requirements

Our  laboratory  is  subject  to  federal,  state  and  local  regulations  relating  to  the  handling  and  disposal  of  regulated  medical  waste,  hazardous  waste  and
biohazardous  waste,  including  chemical,  biological  agents  and  compounds,  blood  and  bone  marrow  samples  and  other  human  tissue.  Typically,  we  use
outside vendors who are contractually obligated to comply with applicable laws and regulations to dispose of such waste. These vendors are licensed or
otherwise qualified to handle and dispose of such waste.

The  Occupational  Safety  and  Health  Administration  has  established  extensive  requirements  relating  to  workplace  safety  for  health  care  employers,
including requirements to develop and implement programs to protect workers from exposure to blood-borne pathogens by preventing or minimizing any
exposure through needle stick or similar penetrating injuries.

Compliance Program

The health care industry is highly regulated and scrutinized with respect to fraud, abusive billing practices and improper financial relationships between
health care companies and their referral sources. The Office of the Inspector General of HHS (the “OIG”) has published compliance guidance, including
the  Compliance  Program  Guidance  for  Clinical  Laboratories  in  August  of  1998,  and  advisory  opinions.  The  Company  has  implemented  a  robust
Compliance  Program,  which  is  overseen  by  our  Board  of  Directors.  Its  objective  is  to  ensure  compliance  with  the  myriad  of  federal  and  state  laws,
regulations and governmental guidance applicable to our business. Our program consists of training/education of employees and monitoring and auditing
Company practices. The Board of Directors has formed a Compliance Committee of the Board, which meets regularly to discuss all compliance-related
issues that may affect the Company. The Company reviews its policies and procedures as new regulations and interpretations come to light to comply with
applicable regulations. The Chief Compliance Officer reports directly to the Compliance Committee.

Hotline

As part of its Compliance Program, the Company provides a hotline for employees who wish to anonymously or confidentially report suspected violations
of our codes of conduct, policies/procedures, or laws and regulations. Employees are strongly encouraged to report any suspected violation if they do not
feel  the  problem  can  be  appropriately  addressed  through  the  normal  chain  of  command.  The  hotline  does  not  replace  other  resources  available  to  our
employees,  including  supervisors,  managers  and  human  resources  staff,  but  is  an  alternative  channel  available.  The  hotline  forwards  all  reports  to  the
Compliance  Officer  who  is  responsible  for  investigating,  reporting  to  the  Compliance  Committee,  and  documenting  the  disposition  of  each  report.  The
hotline forwards any calls pertaining to the financial statements or financial issues to the Chairman of the Audit Committee. The Company does not allow
any retaliation against an employee who reports a compliance related issue in good faith.

Confidentiality and Security of Personal Health Information

The Health Insurance Portability and Accountability Act of 1996, as amended (“HIPAA”), contains provisions that protect individually identifiable health
information  from  unauthorized  use  or  disclosure  by  covered  entities  and  their  business  associates.  The  Office  for  Civil  Rights  of  HHS,  the  agency
responsible  for  enforcing  HIPAA,  has  published  regulations  to  address  the  privacy  (the  “Privacy  Rule”)  and  security  (the  “Security  Rule”)  of  protected
health information (“PHI”). The Company is a covered entity under HIPAA and has adopted policies and procedures to comply with the Privacy Rule and
the  Security  Rule  and  HIPAA.  The  health  care  facilities  and  providers  that  refer  specimens  to  the  Company  are  also  bound  by  HIPAA.    HIPAA  also
requires  that  all  providers  who  transmit  claims  for  health  care  goods  or  services  electronically  utilize  standard  transaction  and  data  sets  and  use
standardized  national  provider  identification  codes.  The  Company  has  taken  necessary  steps  to  comply  with  HIPAA  regulations,  utilizes  standard
transaction  data  sets,  and  has  obtained  and  implemented  national  provider  identifiers,  or  NPIs,  as  the  standard  unique  health  identifier  in  filing  and
processing health care claims and other transactions.

The American Recovery and Reinvestment Act (“ARRA”) enacted the Health Information Technology for Economic and Clinical Health Act of 2009, or
HITECH, which extends the scope of HIPAA to permit enforcement against business associates for a violation, establishes new requirements to notify the
Office for Civil Rights of a breach of PHI, and allows

33

the Attorneys General of the states to bring actions to enforce violations of HIPAA. Rules implementing various aspects of HIPAA are continuing to be
promulgated.  With  respect  to  these  rules,  CMS  requires  all  HIPAA-covered  entities  such  as  the  Company  to  conduct  electronic  claim  submissions  and
related electronic transactions under the HIPAA transaction standard called Version 5010.

In addition to the HIPAA Privacy Rule and Security Rule described above, the Company is subject to state laws regarding the handling and disclosure of
patient  records  and  patient  health  information.  The  HIPAA  Privacy  Rule  and  Security  Rule  regulations  do  not  supersede  state  laws  that  may  be  more
stringent;  therefore,  we  are  required  to  comply  with  both  federal  privacy  and  security  regulations  and  varying  state  privacy  and  security  laws  and
regulations.  These  laws  vary  widely.  Penalties  for  violation  include  sanctions  against  a  laboratory’s  licensure  as  well  as  civil  or  criminal  penalties.
Additionally, private individuals may have a right of action against the Company for a violation of a state’s privacy laws. We believe we are in material
compliance with current state laws regarding the confidentiality of health information and will continue to monitor and comply with new or changing state
laws.

The Fair and Accurate Credit Transactions Act of 2003, enacted on December 4, 2003, directed the Federal Trade Commission to implement regulations to
protect  consumers  against  identity  theft.  The  Federal  Trade  Commission  issued  what  are  referred  to  as  the  “Red  Flag  Rules”,  but  the  effective  date  for
enforcement was delayed several times. The Red Flag Rules were subject to enforcement as of January 1, 2012. The Red Flag Program Clarification Act of
2010  (“RFPCA”)  gave  some  relief  to  health  care  providers  by  changing  the  definition  of  “creditor”,  thereby  narrowing  the  application  to  health  care
providers  who  do  not  otherwise  obtain  or  use  consumer  reports  or  furnish  information  to  consumer  reporting  agencies  in  connection  with  a  credit
transaction. Health care providers who act as a “creditor” to any of its patients with respect to a “covered account” are required to implement an identity
theft protection program to safeguard patient information. A creditor includes any entity that regularly in the course of business obtains or uses consumer
reports in connection with credit transactions, furnishes information to a consumer reporting agency in connection with a credit transaction, or advances
funds to or on behalf of a person based on the person’s obligation to repay the funds or repayable from specific property pledged by or on behalf of the
person. But, a creditor, as defined in the RFPCA, that advances funds on behalf of a person for expenses incidental to a service provided by the creditor to
that person is not subject to the Red Flag Rules. The Company has developed a written program designed to identify and detect the relevant warning signs
– or “red flags” – of identity theft and establish appropriate responses to prevent and mitigate identity theft in order to comply with the Red Flag Rules. We
are also developing a plan to update the program, and the program will be managed by senior management staff under the policy direction of our Board of
Directors. The Company intends to take such steps as necessary to determine the extent to which the Red Flag Rules apply to it and to take such steps as
necessary to comply.

Employees

As of December 31, 2019, we had a total of 88 full-time employees, 9 of whom hold doctorate degrees and 11 of whom are engaged in full-time research
and development activities, as well as 7 part-time employees. None of our employees is represented by a labor union.

Available Information

Our  website  address  is  www.biocept.com.  We  post  links  to  our  website  to  the  following  filings  as  soon  as  reasonably  practicable  after  they  are
electronically filed with or furnished to the Securities and Exchange Commission, or the SEC: annual reports on Form 10-K, quarterly reports on Form 10-
Q, current reports on Form 8-K, proxy statements, and any amendments to those reports filed or furnished pursuant to Section 13 or 15(d) of the Securities
Exchange  Act  of  1934,  as  amended.  All  such  filings  are  available  through  our  website  free  of  charge.  The  SEC  also  maintains  an  internet  site  at
www.sec.gov that contains reports, proxy and information statements, and other information regarding issuers that file electronically with the SEC.

Company Information

We maintain our principal executive offices at 5810 Nancy Ridge Drive, San Diego, California 92121. Our telephone number is (858) 320-8200 and our
website address is www.biocept.com. The information contained in, or that can be accessed through, our website is not incorporated into and is not part of
this annual report. We were incorporated in California on May 12, 1997 and reincorporated as a Delaware corporation on July 30, 2013.

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Item 1A. Risk Factors

An  investment  in  our  securities  involves  a  high  degree  of  risk.  You  should  consider  carefully  the  risks  described  below,  together  with  all  of  the  other
information included in this Annual Report, as well as in our other filings with the SEC, in evaluating our business. If any of the following risks actually
occur, our business, financial condition, operating results and future prospects could be materially and adversely affected. In that case, the trading price of
our common stock may decline and you might lose all or part of your investment. The risks described below are not the only ones we face. Additional risks
that we currently do not know about or that we currently believe to be immaterial may also impair our business, financial condition, operating results and
prospects. Certain statements below are forward-looking statements. For additional information, see the information included under the heading “Special
Note Regarding Forward-Looking Statements.”

Risks Relating to Our Financial Condition and Capital Requirements

We are an early stage molecular oncology diagnostics company with a history of net losses; we expect to incur net losses in the future, and we may
never achieve sustained profitability.

We have historically incurred substantial net losses, including net losses of $24.6 million and $25.1 million for the years ended December 31, 2018 and
2019, respectively, and we have never been profitable. At December 31, 2019, our accumulated deficit was approximately $245.7 million. Before 2008, we
were  pursuing  a  business  plan  relating  to  fetal  genetic  disorders  and  other  fields,  all  of  which  were  unrelated  to  cancer  diagnostics.  The  portion  of  our
accumulated deficit that relates to the period from inception through December 31, 2007 is approximately $66.5 million.

We  expect  our  losses  to  continue  as  a  result  of  costs  relating  to  our  laboratory  operations  as  well  as  increased  sales  and  marketing  costs  and  ongoing
research  and  development  expenses.  These  losses  have  had,  and  will  continue  to  have,  an  adverse  effect  on  our  working  capital,  total  assets  and
stockholders’ equity. Because of the numerous risks and uncertainties associated with our commercialization efforts, we are unable to predict when we will
become profitable, and we may never become profitable. Even if we do achieve profitability, we may not be able to sustain or increase profitability on a
quarterly  or  annual  basis.  Our  inability  to  achieve  and  then  maintain  profitability  would  negatively  affect  our  business,  financial  condition,  results  of
operations and cash flows.

We need to raise additional capital to continue as a going concern.

We expect to continue to incur losses for the foreseeable future and will have to raise additional capital to fund our planned operations and to meet our
long-term business objectives. As a result, there is substantial doubt about our ability to continue as a going concern unless we are able to successfully raise
additional  capital.  Until  we  can  generate  significant  cash  from  operations,  including  product  and  assay  revenues,  we  expect  to  continue  to  fund  our
operations  with  the  proceeds  from  offerings  of  our  equity  securities  or  debt,  or  transactions  involving  product  development,  technology  licensing  or
collaboration. We can provide no assurances that any sources of a sufficient amount of financing will be available to us on favorable terms, if at all. Failure
to raise additional capital in sufficient amounts would significantly impact our ability to continue as a going concern. The actual amount of funds that we
will need and the timing of any such investment will be determined by many factors, some of which are beyond our control.

Risks Relating to Our Business and Strategy

If we are unable to increase sales of our current products, assays and services or successfully develop and commercialize other products, assays and
services, our revenues will be insufficient for us to achieve profitability.

We  currently  derive  substantially  all  of  our  revenues  from  sales  of  diagnostic  assays.  We  began  offering  our  assays  through  our  Clinical  Laboratory
Improvement Amendments of 1988, or CLIA, certified, CAP accredited, and state-licensed laboratory in 2014. Additionally, the sale of our proprietary
blood collection tubes, or BCTs commenced in June 2018, which allow for the intact transport of liquid biopsy samples for research use only, or RUO,
from regions around the world. We are in varying stages of research and development for other products and diagnostic assays that we may offer. If we are
unable to increase sales of our existing products and diagnostic assays or successfully develop and commercialize other products and diagnostic assays, we
will not produce sufficient revenues to become profitable.

35

If we are unable to execute our sales and marketing strategy for our products and diagnostic assays and are unable to gain acceptance in the market,
we may be unable to generate sufficient revenue to sustain our business.

We are an early stage molecular oncology diagnostics company and have engaged in only limited sales and marketing activities for the diagnostic assays
we currently offer through our CLIA-certified, CAP accredited, and state-licensed laboratory. To date, our revenue has been insufficient to fund operations.

Although we believe that our current assays and our planned future assays, as well as our BCT product, represent a promising commercial opportunity, our
products or assays may never gain significant acceptance in the marketplace and therefore may never generate substantial revenue or profits for us. We will
need  to  establish  a  market  for  our  products  and  diagnostic  assays  and  build  that  market  through  physician  education,  awareness  programs  and  the
publication  of  clinical  trial  results.  Gaining  acceptance  in  medical  communities  requires,  among  other  things,  publications  in  leading  peer-reviewed
journals  of  results  from  studies  using  our  current  products,  assays  and  services  and/or  our  planned  future  products,  assays  and  services.  The  process  of
publication in leading medical journals is subject to a peer review process and peer reviewers may not consider the results of our studies sufficiently novel
or  worthy  of  publication.  Failure  to  have  our  studies  published  in  peer-reviewed  journals  would  limit  the  adoption  of  our  current  products,  assays  and
services and our planned future products, assays and services.

Our ability to successfully market the products and diagnostic assays that we have developed, and may develop in the future, will depend on numerous
factors, including:

•

•

•

•

•

•

•

•

conducting clinical utility studies of such assays in collaboration with key thought leaders to demonstrate their use and value in important medical
decisions such as treatment selection;

whether our current or future partners, vigorously support our offerings;

the success of our sales force;

whether healthcare providers believe such diagnostic assays provide clinical utility;

whether  the  medical  community  accepts  that  such  diagnostic  assays  are  sufficiently  sensitive  and  specific  to  be  meaningful  in-patient  care  and
treatment decisions;

our ability to continually source raw materials, BCTs, shipping kits and other products that we sell or consume in our manufacturing process that are
of sufficient quality and supply;

our ability to continue to fund planned sales and marketing activities; and

whether private health insurers, government health programs and other third-party payers will adopt liquid biopsy-based assays in their guidelines,
or cover such diagnostic assays and, if so, whether they will adequately reimburse us.

Failure to achieve widespread market acceptance of our current products, assays and services, as well as our planned future products, assays and services,
would materially harm our business, financial condition and results of operations.

If we cannot develop products, assays and services to keep pace with rapid advances in technology, medicine and science, our operating results and
competitive position could be harmed.

In recent years, there have been numerous advances in technologies relating to the diagnosis and treatment of cancer. Several new cancer drugs have been
approved,  and  a  number  of  new  drugs  in  clinical  development  may  increase  patient  survival  time.  There  have  also  been  advances  in  methods  used  to
identify patients likely to benefit from these drugs based on analysis of biomarkers. We must continuously develop new products and diagnostic assays and
enhance any existing products, assays and services to keep pace with evolving standards of care. Our current products, assays and services and our planned
future  products,  assays  and  services  could  become  obsolete  unless  we  continually  innovate  and  expand  them  to  demonstrate  benefit  in  the  diagnosis,
monitoring or prognosis of patients with cancer. New cancer therapies typically have only a few years of clinical data associated with them, which limits
our ability to develop products and diagnostic assays based on, for example, biomarker analysis related to the appearance or development of resistance to
those therapies. If we cannot adequately demonstrate the applicability of our current products, assays and services and our planned future products, assays
and services to new treatments, by incorporating important biomarker analysis, sales of our products, assays and services could decline, which would have
a material adverse effect on our business, financial condition and results of operations.

36

 
If our current products, assays and services and our planned future products, assays and services do not continue to perform as expected, our operating
results, reputation and business will suffer.

Our  success  depends  on  the  market’s  confidence  that  we  can  continue  to  provide  reliable,  high-quality  products  and  assay  results.  We  believe  that  our
customers are likely to be particularly sensitive to product or assay defects and errors. As a result, the failure of our current or planned future products or
assays to perform as expected, including with respect to our ability to maintain the sensitivity, specificity, concordance or reproducibility of such assays,
would significantly impair our reputation and the public image of our products and cancer assays, and we may be subject to legal claims arising from any
defects or errors.

If our sole laboratory facility becomes damaged or inoperable, or we are required to vacate the facility, our ability to sell and provide our products and
diagnostic assays and pursue our research and development efforts may be jeopardized.

We currently derive our revenues from our diagnostic assays conducted in our CLIA-certified, CAP accredited, and state-licensed laboratory. We do not
have any clinical reference laboratory facilities other than our facility in San Diego, California. Our facilities and equipment could be harmed or rendered
inoperable by natural or man-made disasters, including fire, earthquake, flooding and power outages, which may render it difficult or impossible for us to
sell our products or perform our diagnostic assays for some period of time. The inability to sell our current or planned future products, or to perform our
current assays and our planned future assays, or the backlog of assays that could develop if our facility is inoperable for even a short period of time, may
result in the loss of customers or harm to our reputation or relationships with scientific or clinical collaborators, and we may be unable to regain those
customers or repair our reputation in the future. Furthermore, our facilities and the equipment we use to perform our research and development work could
be costly and time-consuming to repair or replace.

The San Diego area has recently experienced serious fires and power outages and is considered to lie in an area with earthquake risk.

Additionally,  a  key  component  of  our  research  and  development  process  involves  using  biological  samples  as  the  basis  for  our  diagnostic  assay
development.  In  some  cases,  these  samples  are  difficult  to  obtain.  If  the  parts  of  our  laboratory  facility  where  we  store  these  biological  samples  were
damaged or compromised, our ability to pursue our research and development projects, as well as our reputation, could be jeopardized. We carry insurance
for damage to our property and the disruption of our business, but this insurance may not be sufficient to cover all of our potential losses and may not
continue to be available to us on acceptable terms, if at all.

Further, if our CLIA-certified, CAP accredited, and state-licensed laboratory became inoperable we may not be able to license or transfer our technology to
another facility with the necessary qualifications, including state licensure and CLIA certification, under the scope of which our current assays and our
planned  future  assays  could  be  performed.  Even  if  we  find  a  facility  with  such  qualifications  to  perform  our  assays,  it  may  not  be  available  to  us  on
commercially reasonable terms.

Our business is subject to risks arising from epidemic diseases, such as the recent global outbreak of the COVID-19 coronavirus.

The recent outbreak of the novel coronavirus, COVID-19, which has been declared by the World Health Organization to be a pandemic, has spread across
the globe and is impacting worldwide economic activity. A pandemic, including COVID-19 or other public health epidemic, poses the risk that we or our
employees, contractors, suppliers, courier delivery services and other partners may be prevented from conducting business activities for an indefinite period
of time, including due to spread of the disease within these groups or due to shutdowns that may be requested or mandated by governmental authorities.
While it is not possible at this time to estimate the impact that COVID-19 could have on our business, the COVID-19 pandemic and mitigation measures
have had and may continue to have an adverse impact on global economic conditions which could have an adverse effect on our business and financial
condition, including impairing our ability to raise capital when needed. The continued spread of COVID-19 and the measures taken by the governments of
countries affected could disrupt the supply chain of material needed for our assays, interrupt our ability to receive samples, impair our ability to perform or
deliver the results from our tests, impede patient movement or interrupt healthcare services causing a decrease in test volumes, delay coverage decisions
from  Medicare  and  third  party  payors,  delay  ongoing  and  planned  clinical  trials  involving  our  tests  and  have  a  material  adverse  effect  on  our  business,
financial condition and results of operations. In addition, as we are located in California, we are currently under a shelter-in-place mandate and many of our
clients

37

worldwide are similarly impacted. As a healthcare provider, we are allowed to remain open in compliance with the shelter-in-place mandate and continue to
provide  critical  information  for  patients  diagnosed  with  cancer.  While  we  are  still  receiving  specimens  from  clients  on  a  daily  basis,  we  anticipate  a
potential  slowdown  in  volume  as  many  clinic  visits  are  being  re-scheduled  and  delayed.  Moreover,  the  global  outbreak  of  the  COVID-19  coronavirus
continues to rapidly evolve, and the extent to which the COVID-19 coronavirus may impact our business, results of operations and financial position 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 outbreak, travel restrictions and social distancing in the United States and other countries, business closures or business disruptions, and
the effectiveness of actions taken in the United States and other countries to contain and treat the disease.

If we cannot compete successfully with our competitors, we may be unable to increase or sustain our revenues or achieve and sustain profitability.

Our  principal  competition  comes  from  mainstream  diagnostic  methods,  used  by  medical  oncologists,  surgical  oncologists,  urologists,  pulmonologists,
pathologists  and  other  physicians  for  many  years,  which  focus  on  tumor  tissue  analysis.  The  methods  or  behavior  of  medical  oncologists,  surgical
oncologists,  urologists,  pulmonologists,  pathologists  and  other  physicians  may  be  difficult  to  change  regarding  the  use  of  our  CTC  and  ctDNA  assays,
including  molecular  diagnostic  assays,  in  their  practices  in  conjunction  with  or  instead  of  tissue  biopsies  and  analysis.  In  addition,  companies  offering
capital  equipment,  BCTs,  and  kits  or  reagents  to  local  pathology  laboratories  or  laboratory  supply  distributors  represent  another  source  of  potential
competition. These kits are used directly by the pathologist, which can facilitate adoption. Historically, we have focused our marketing and sales efforts on
medical oncologists rather than pathologists, although commencing in October 2017, our Empower TC offering provides the unique ability for pathologists
to participate in the interpretation of liquid biopsy results and is available to pathology practices and hospital systems throughout the United States.

We also face competition from companies that offer products or are conducting research to develop products for CTC or ctDNA assays in various cancers.
CTC and ctDNA products, assays and services represent a new area of science and we cannot predict what products or assays others will develop that may
compete with or provide results similar or superior to the results we are able to achieve with the products or assays we develop. Competitors include but are
not  limited  to  companies  such  as  Qiagen,  Roche,  Guardant  Health,  Cancer  Genetics,  Atossa,  Agena  Bioscience,  Precipio,  Illumina,  Grail,  Precision  for
Medicine,  EPIC  Sciences,  Clearbridge  Biomedics,  Biodesix,  Thermo  Fisher  Scientific,  Foundation  Medicine,  Neogenomics,  Cynvenio  Biosystems,
Genomic  Health,  Fluxion  Biosciences,  RareCells  Diagnostics,  ScreenCell,  Menarini  Silicon  Biosystems,  Alere  (Adnagen),  Sysmex,  Natera,  Inc.,
Circulogen, Angle PLC, Caris Life Sciences, Archer DX, DiaCarta and Tempus. Some of these groups, in addition to operating research and development
laboratories, are establishing CLIA-certified testing laboratories while others are focused on selling equipment and reagents.

There are a number of companies which are focused on the oncology diagnostic market, who while not currently offering CTC or ctDNA assays are selling
to  the  medical  oncologists  and  pathologists  and  could  develop  or  offer  CTC  or  ctDNA  assays.  Large  laboratory  services  companies  such  as  Quest  and
LabCorp  provide  more  generalized  cancer  diagnostic  assays  and  testing  but  could  also  offer  a  CTC  or  ctDNA  assay  service.  Companies  like  Abbott,
Danaher and others could develop equipment or reagents in the future as well. Currently, companies like Streck, Roche and Exact Sciences offer BCTs, and
in the future, companies like Covidien, Beckton Dickinson, Thermo Fisher, and other large medical device companies may develop BCTs as well.

There  are  a  number  of  companies  that  are  focused  on  the  oncology  diagnostic  market  such  as  Illumina,  Biorad,  Sysmex,  Qiagen  and  Thermo  Fisher
Scientific  that  are  selling  equipment  and  reagents  kits  for  ctDNA  assays  and  assay  panels  to  laboratories  that  are  developing  tests  that  are  marketed  to
medical oncologists and pathologists.

Some  of  our  present  and  potential  competitors  have  widespread  brand  recognition  and  substantially  greater  financial  and  technical  resources  and
development, production and marketing capabilities than we do. Others may develop lower-priced, less complex assays that payers, medical oncologists,
surgical oncologists, urologists, pulmonologists, pathologists and other physicians could view as functionally equivalent to our current or planned future
assays, which could force us to lower the list price of our assays and impact our operating margins and our ability to achieve and maintain profitability. In
addition, technological innovations that result in the creation of enhanced products or diagnostic tools that are more sensitive or specific than ours may
enable other clinical laboratories, hospitals, physicians or medical providers to provide specialized products or diagnostic assays similar to ours in a more
patient-friendly, efficient or cost-effective manner than is currently possible. If we cannot compete successfully against current or future competitors, we
may be unable to increase or create

38

market  acceptance  and  sales  of  our  current  or  planned  future  products  or  assays,  which  could  prevent  us  from  increasing  or  sustaining  our  revenues  or
achieving or sustaining profitability.

We expect that biopharmaceutical companies will increasingly focus attention and resources on the personalized cancer diagnostic sector as the potential
and prevalence of molecularly targeted oncology therapies approved by the FDA along with companion diagnostics increases. For example, the FDA has
approved three such agents: Xalkori® from Pfizer Inc. along with its companion anaplastic lymphoma kinase FISH test from Abbott Laboratories, Inc.,
Zelboraf® from Daiichi-Sankyo/Genentech/Roche along with its companion BRAF kinase V600 mutation test from Roche Molecular Systems, Inc. and
Tafinlar® from GlaxoSmithKline along with its companion BRAF kinase V600 mutation test from bioMerieux. Since companion diagnostic tests are part
of FDA labeling, non-FDA cleared tests such as ours would be considered an off-label use and this may limit our access to this market segment.

Additionally, projects related to cancer diagnostics and particularly genomics have received increased government funding, both in the United States and
internationally.  As  more  information  regarding  cancer  genomics  becomes  available  to  the  public,  we  anticipate  that  more  products  aimed  at  identifying
targeted treatment options will be developed and that these products may compete with ours. In addition, competitors may develop their own versions of
our current or planned future products or assays in countries where we did not apply for patents or where our patents have not issued and compete with us
in those countries, including encouraging the use of their product or assay by physicians or patients in other countries.

We  expect  to  continue  to  incur  significant  expenses  to  develop  and  market  products  and  diagnostic  assays,  which  could  make  it  difficult  for  us  to
achieve and sustain profitability.

In  recent  years,  we  have  incurred  significant  costs  in  connection  with  the  development  of  our  products  and  diagnostic  assays.  For  the  years  ended
December  31,  2018  and  2019,  our  research  and  development  expenses  were  $4.5  million  and  $4.7  million,  respectively,  and  our  sales  and  marketing
expenses were $5.9 million and $5.9 million, respectively. We expect our expenses to continue to increase for the foreseeable future as we conduct studies
of  our  current  products,  assays  and  services  and  our  planned  future  products,  assays  and  services,  continue  to  establish  our  sales  and  marketing
organization, drive adoption of and reimbursement for our products and diagnostic assays and develop new products, assays and services. As a result, we
need to generate significant revenues in order to achieve sustained profitability.

If medical oncologists, surgical oncologists, urologists, pulmonologists, pathologists and other physicians decide not to order our current or planned
future assays, or if laboratory supply distributors or their customers decide not to order our current or planned future products, we may be unable to
generate sufficient revenue to sustain our business.

To generate demand for our current products, assays and services and our planned future products, assays and services, we will need to educate medical
oncologists, surgical oncologists, urologists, pulmonologists, pathologists, and other physicians and other health care professionals, as well as laboratory
and  medical  equipment  suppliers,  on  the  clinical  utility,  benefits  and  value  of  the  products,  assays  and  services  we  provide  through  published  papers,
presentations at scientific conferences, educational programs and one-on-one education sessions by members of our sales force. In addition, we need to
educate  medical  oncologists,  surgical  oncologists,  urologists,  pulmonologists,  pathologists  and  other  physicians  of  our  ability  to  obtain  and  maintain
coverage and adequate reimbursement from third-party payers. We need to hire additional commercial, scientific, technical and other personnel to support
this process. Unless an adequate number of medical practitioners order our current assays and our planned future assays, or unless an adequate number of
laboratory  supply  distributors  order  our  current  and  planned  future  products,  we  will  likely  be  unable  to  create  demand  in  sufficient  volume  for  us  to
achieve sustained profitability.

Clinical utility studies are important in demonstrating to both customers and payers an assay’s clinical relevance and value. If we are unable to identify
collaborators  willing  to  work  with  us  to  conduct  clinical  utility  studies,  or  the  results  of  those  studies  do  not  demonstrate  that  an  assay  provides
clinically meaningful information and value, commercial adoption of such assay may be slow, which would negatively impact our business.

Clinical utility studies show when and how to use a clinical test or assay and describe the particular clinical situations or settings in which it can be applied
and the expected results. Clinical utility studies also show the impact of the test or assay results on patient care and management. Clinical utility studies are
typically performed with collaborating oncologists or other physicians at medical centers and hospitals, analogous to a clinical trial, and generally result in
peer-reviewed publications. Sales and marketing representatives use these publications to demonstrate to customers how to use a clinical test

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or assay, as well as why they should use it. These publications are also used with payers to obtain coverage for a test or assay, helping to assure there is
appropriate reimbursement.

We need to conduct additional studies for our assays, increase assay adoption in the marketplace and obtain coverage and adequate reimbursement. Should
we  not  be  able  to  perform  these  studies,  or  should  their  results  not  provide  clinically  meaningful  data  and  value  for  medical  oncologists,  surgical
oncologists,  urologists,  pulmonologists,  pathologists  and  other  physicians,  adoption  of  our  assays  could  be  impaired,  and  we  may  not  be  able  to  obtain
coverage and adequate reimbursement for them.

The loss of key members of our executive management team could adversely affect our business.

Our  success  in  implementing  our  business  strategy  depends  largely  on  the  skills,  experience  and  performance  of  key  members  of  our  executive
management team and others in key management positions, including Michael W. Nall, our Chief Executive Officer and President, Lyle J. Arnold, Ph.D.,
our Senior Vice-President of Research & Development and Chief Scientific Officer, Michael Terry, our Senior Vice President Corporate Development, and
Timothy C. Kennedy, our Chief Financial Officer, Senior Vice President of Operations and Secretary. The collective efforts of each of these persons and
others working with them as a team are critical to us as we continue to develop our technologies, products, services, assays and research and development
and  sales  programs.  As  a  result  of  the  difficulty  in  locating  qualified  new  management,  the  loss  or  incapacity  of  existing  members  of  our  executive
management team could adversely affect our operations. If we were to lose one or more of these key employees, we could experience difficulties in finding
qualified successors, competing effectively, developing our technologies and implementing our business strategy. Our executive management team each
have employment agreements, however, the existence of an employment agreement does not guarantee retention of members of our executive management
team and we may not be able to retain those individuals for the duration of or beyond the end of their respective terms. We do not maintain “key person”
life insurance on any of our employees.

In  addition,  we  rely  on  collaborators,  consultants  and  advisors,  including  scientific  and  clinical  advisors,  to  assist  us  in  formulating  our  research  and
development and commercialization strategy. Our collaborators, consultants and advisors are generally employed by employers other than us and may have
commitments under agreements with other entities that may limit their availability to us.

The loss of a key employee, the failure of a key employee to perform in his or her current position or our inability to attract and retain skilled employees
could result in our inability to continue to grow our business or to implement our business strategy.

There is a scarcity of experienced professionals in our industry. If we are not able to retain and recruit personnel with the requisite technical skills, we
may be unable to successfully execute our business strategy.

The specialized nature of our industry results in an inherent scarcity of experienced personnel in the field. Our future success depends upon our ability to
attract  and  retain  highly  skilled  personnel,  including  scientific,  technical,  commercial,  business,  regulatory  and  administrative  personnel,  necessary  to
support our anticipated growth, develop our business and perform certain contractual obligations. Given the scarcity of professionals with the scientific
knowledge that we require and the competition for qualified personnel among life science businesses, we may not succeed in attracting or retaining the
personnel we require to continue and grow our operations.

Our failure to continue to attract, hire and retain a sufficient number of qualified sales professionals would hamper our ability to increase demand for
our products and diagnostic assays, to expand geographically and to successfully commercialize any other products or assays we may develop.

To succeed in selling our products and diagnostic assays and any other products or assays that we are able to develop, we must expand our sales force in the
United States and/or internationally by recruiting additional sales representatives with extensive experience in oncology and established relationships with
medical oncologists, surgical oncologists, urologists, pulmonologists, pathologists, oncology nurses, and other physicians and hospital personnel, as well as
laboratory supply distributors. To achieve our marketing and sales goals, we will need to continue to build our sales and commercial infrastructure. Sales
professionals with the necessary technical and business qualifications are in high demand, and there is a risk that we may be unable to attract, hire and
retain the number of sales professionals with the right qualifications, scientific backgrounds and relationships with decision-makers at potential customers
needed to achieve our sales goals. We expect to

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face competition from other companies in our industry, some of whom are much larger than us and who can pay greater compensation and benefits than we
can, in seeking to attract and retain qualified sales and marketing employees. If we are unable to hire and retain qualified sales and marketing personnel,
our business will suffer.

Our dependence on commercialization partners for sales of products, assays and services could limit our success in realizing revenue growth.

We  intend  to  grow  our  business  through  the  use  of  commercialization  partners  for  the  sales,  marketing  and  commercialization  of  our  current  products,
assays and services, as well as our planned future products, assays and services, and to do so we must enter into agreements with these partners to sell,
market  or  commercialize  our  products,  assays  and  services.  These  agreements  may  contain  exclusivity  provisions  and  generally  cannot  be  terminated
without cause during the term of the agreement. We may need to attract additional partners to expand the markets in which we sell products or assays.
These partners may not commit the necessary resources to market and sell our products and diagnostics assays to the level of our expectations, and we may
be unable to locate suitable alternatives should we terminate our agreement with such partners or if such partners terminate their agreement with us.

If  current  or  future  commercialization  partners  do  not  perform  adequately,  or  we  are  unable  to  locate  commercialization  partners,  we  may  not  realize
revenue growth.

We depend on third parties for the supply of blood samples and other biological materials that we use in our research and development efforts. If the
costs of such samples and materials increase or our third-party suppliers terminate their relationship with us, our business may be materially harmed.

We  have  relationships  with  suppliers  and  institutions  that  provide  us  with  blood  samples  and  other  biological  materials  that  we  use  in  developing  and
validating  our  current  assays  and  our  planned  future  assays.  If  one  or  more  suppliers  terminate  their  relationship  with  us  or  are  unable  to  meet  our
requirements for samples, we will need to identify other third parties to provide us with blood samples and biological materials, which could result in a
delay  in  our  research  and  development  activities  and  negatively  affect  our  business.  In  addition,  as  we  grow,  our  research  and  academic  institution
collaborators may seek additional financial contributions from us, which may negatively affect our results of operations.

We  currently  rely  on  third-party  suppliers  for  our  BCTs,  shipping  kits,  and  critical  materials  needed  to  perform  our  current  assays,  as  well  as  our
planned future products, assays and services, and any problems experienced by them could result in a delay or interruption of their supply to us.

We  currently  purchase  our  BCTs  and  raw  materials  for  our  microfluidic  channels  and  assay  reagents  under  purchase  orders  and  do  not  have  long-term
contracts with most of the suppliers of these materials. If suppliers were to delay or stop producing our BCTs, shipping kits, materials or reagents, or if the
prices they charge us were to increase significantly, or if they elected not to sell to us, we would need to identify other suppliers. We could experience
delays  in  obtaining  BCTs  and  shipping  kits,  manufacturing  the  microfluidic  channels,  or  performing  assays  while  finding  another  acceptable  supplier,
which  could  impact  our  results  of  operations.  The  changes  could  also  result  in  increased  costs  associated  with  qualifying  the  new  BCTs,  shipping  kits,
materials or reagents and in increased operating costs. Further, any prolonged disruption in a supplier’s operations could have a significant negative impact
on our ability to perform diagnostic assays in a timely manner and sell our products.

Some of the components used in our current or planned future products are currently sourced from a supplier for which alternative suppliers exist but we
have not validated the products of such alternative suppliers, and substitutes for these components might not be able to be obtained easily or may require
substantial design or manufacturing modifications. Any significant problem experienced by any one of our suppliers may result in a delay or interruption in
the  supply  of  components  to  us  until  that  supplier  cures  the  problem  or  an  alternative  source  of  the  component  is  located  and  qualified.  Any  delay  or
interruption would likely lead to a delay or interruption in our manufacturing operations or product sales. The inclusion of substitute components must meet
our product specifications and could require us to qualify the new supplier with the appropriate government regulatory authorities.

If we were sued for product liability or professional liability, we could face substantial liabilities that exceed our resources.

The marketing, sale and use of our products and current assays, as well our planned future products, assays and services, could lead to the filing of product
liability claims against us if someone alleges that our products or assays failed to perform

41

 
as designed.  We  may  also  be  subject  to  liability  for  errors  in  the  assay  results  we  provide  to  physicians  or  for  a  misunderstanding  of,  or  inappropriate
reliance upon, the information we provide. A product liability or professional liability claim could result in substantial damages and be costly and time-
consuming for us to defend.

Although we believe that our existing product and professional liability insurance is adequate, our insurance may not fully protect us from the financial
impact of defending against product liability or professional liability claims. Any product liability or professional liability claim brought against us, with or
without merit, could increase our insurance rates or prevent us from securing insurance coverage in the future. Additionally, any product liability lawsuit
could damage our reputation, result in the recall of products or assays, or cause current partners to terminate existing agreements and potential partners to
seek other partners, any of which could impact our results of operations.

If we use biological and hazardous materials in a manner that causes injury, we could be liable for damages.

Our  activities  currently  require  the  controlled  use  of  potentially  harmful  biological  materials  and  chemicals.  We  cannot  eliminate  the  risk  of  accidental
contamination or injury to employees or third parties from the use, storage, handling or disposal of these materials. In the event of contamination or injury,
we  could  be  held  liable  for  any  resulting  damages,  and  any  liability  could  exceed  our  resources  or  any  applicable  insurance  coverage  we  may  have.
Additionally, we are subject to, on an ongoing basis, federal, state and local laws and regulations governing the use, storage, handling and disposal of these
materials and specified waste products. The cost of compliance with these laws and regulations may become significant and could have a material adverse
effect  on  our  financial  condition,  results  of  operations  and  cash  flows.  In  the  event  of  an  accident  or  if  we  otherwise  fail  to  comply  with  applicable
regulations, we could lose our permits or approvals or be held liable for damages or penalized with fines.

We may acquire other businesses or form joint ventures or make investments in other companies or technologies that could harm our operating results,
dilute our stockholders’ ownership, increase our debt or cause us to incur significant expense.

As  part  of  our  business  strategy,  we  may  pursue  acquisitions  of  businesses  and  assets.  We  also  may  pursue  strategic  alliances  and  joint  ventures  that
leverage our core technology and industry experience to expand our offerings or distribution. We have no experience with acquiring other companies and
limited experience with forming strategic alliances and joint ventures. We may not be able to find suitable partners or acquisition candidates, and we may
not  be  able  to  complete  such  transactions  on  favorable  terms,  if  at  all.  If  we  make  any  acquisitions,  we  may  not  be  able  to  integrate  these  acquisitions
successfully  into  our  existing  business,  and  we  could  assume  unknown  or  contingent  liabilities.  Any  future  acquisitions  also  could  result  in  significant
write-offs  or  the  incurrence  of  debt  and  contingent  liabilities,  any  of  which  could  have  a  material  adverse  effect  on  our  financial  condition,  results  of
operations  and  cash  flows.  Integration  of  an  acquired  company  also  may  disrupt  ongoing  operations  and  require  management  resources  that  would
otherwise focus on developing our existing business. We may experience losses related to investments in other companies, which could have a material
negative effect on our results of operations. We may not identify or complete these transactions in a timely manner, on a cost-effective basis, or at all, and
we may not realize the anticipated benefits of any acquisition, technology license, strategic alliance or joint venture.

To finance any acquisitions or joint ventures, we may choose to issue shares of our common stock as consideration, which would dilute the ownership of
our stockholders. If the price of our common stock is low or volatile, we may not be able to acquire other companies or fund a joint venture project using
our  stock  as  consideration.  Alternatively,  it  may  be  necessary  for  us  to  raise  additional  funds  for  acquisitions  through  public  or  private  financings.
Additional funds may not be available on terms that are favorable to us, or at all.

If  we  cannot  support  demand  for  our  current  products,  assays  and  services,  as  well  as  our  planned  future  products,  assays  and  services,  including
successfully managing the evolution of our laboratory service, our business could suffer.

As our product and assay volume grows, we will need to increase our assay capacity, implement automation, increase our scale and related processing,
customer  service,  billing,  collection  and  systems  process  improvements  and  expand  our  internal  quality  assurance  program  and  technology  to  support
assays on a larger scale. Examples of challenges we may face include, but are not limited to, maintaining the same validated sensitivity in our assays for
both CTC and ctDNA analysis as our assay volume increases. We will also need additional clinical laboratory scientists and other scientific and technical
personnel to process these additional assays. Any increases in scale, related improvements and quality assurance may not be successfully implemented and
appropriate personnel may not be available. As additional products, assays and services are

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commercialized,  we  may  need  to  bring  new  equipment  on  line,  implement  new  systems,  technology,  controls  and  procedures  and  hire  personnel  with
different qualifications. Failure to implement or maintain necessary procedures or to hire the necessary personnel could result in a higher cost of processing
or an inability to meet market demand. We cannot assure you that we will be able to perform assays on a timely basis, or procure BCTs, shipping kits or
other materials we sell, at a level consistent with demand, that our efforts to scale our commercial operations will not negatively affect the quality of our
assay  results,  or  that  we  will  respond  successfully  to  the  growing  complexity  of  our  operations.  If  we  encounter  difficulty  meeting  market  demand  or
quality standards for our current products, assays and services and our planned future products, assays and services, including with respect to our assays
our ability to maintain the sensitivity, specificity, concordance and reproducibility of such assays, our reputation could be harmed, and our future prospects
and business could suffer, which may have a material adverse effect on our financial condition, results of operations and cash flows.

Billing for our diagnostic assays is complex, and we must dedicate substantial time and resources to the billing process to be paid.

Billing for clinical laboratory assay services is complex, time-consuming and expensive. Depending on the billing arrangement and applicable law, we bill
various payers, including Medicare, insurance companies and patients, all of which have different billing requirements. We generally bill third-party payers
for our diagnostic assays and pursue reimbursement on a case-by-case basis where pricing contracts are not in place. To the extent laws or contracts require
us to bill patient co-payments or co-insurance, we must also comply with these requirements. We may also face increased risk in our collection efforts,
including potential write-offs of doubtful accounts and long collection cycles, which could adversely affect our business, results of operations and financial
condition.

Several factors make the billing process complex, including:

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differences between the list price for our assays and the reimbursement rates of payers;

compliance with complex federal and state regulations related to billing Medicare;

risk of government audits related to billing Medicare;

disputes among payers as to which party is responsible for payment;

differences  in  coverage  and  in  information  and  billing  requirements  among  payers,  including  the  need  for  prior  authorization  and/or  advanced
notification;

the effect of patient co-payments or co-insurance;

changes to billing codes and/or coverage policies that apply to our assays;

incorrect or missing billing information; and

the resources required to manage the billing and claims appeals process.

We use standard industry billing codes, known as Current Procedural Terminology, or CPT, codes, to bill for our diagnostic assays. These codes can change
over time. When codes change, there is a risk of an error being made in the claim adjudication process. These errors can occur with claims submission,
third-party transmission or in the processing of the claim by the payer. Claim adjudication errors may result in a delay in payment processing or a reduction
in the amount of the payment received. Coding changes, therefore, may have an adverse effect on our revenues. There can be no assurance that payers will
recognize these codes in a timely manner or that the process of transitioning to such a code and updating their billing systems and ours will not result in
errors, delays in payments and a related increase in accounts receivable balances.

As we introduce new assays, we will need to add new codes to our billing process as well as our financial reporting systems. Failure or delays in effecting
these changes in external billing and internal systems and processes could negatively affect our collection rates, revenue and cost of collecting.

Additionally, our billing activities require us to implement compliance procedures and oversight, train and monitor our employees, challenge coverage and
payment denials, assist patients in appealing claims, and undertake internal audits to evaluate compliance with applicable laws and regulations as well as
internal compliance policies and procedures. Payers also conduct external audits to evaluate payments, which add further complexity to the billing process.
If the payer makes an overpayment determination, there is a risk that we may be required to return some portion of prior payments we have

43

received. These billing complexities, and the related uncertainty in obtaining payment for our assays, could negatively affect our revenue and cash flow, our
ability to achieve profitability, and the consistency and comparability of our results of operations.

We rely on third-party billing provider software, and an in-house billing function, to transmit claims to payers, and any delay in transmitting claims
could have an adverse effect on our revenue.

While we manage the overall processing of claims, we rely on third-party billing provider software to transmit the actual claims to payers based on the
specific  payer  billing  format.  We  have  previously  experienced  delays  in  claims  processing  when  our  third-party  provider  made  changes  to  its  invoicing
system.  Additionally,  coding  for  diagnostic  assays  may  change,  and  such  changes  may  cause  short-term  billing  errors  that  may  take  significant  time  to
resolve. If claims are not submitted to payers on a timely basis or are erroneously submitted, or if we are required to switch to a different software provider
to handle claim submissions, we may experience delays in our ability to process these claims and receipt of payments from payers, or possibly denial of
claims for lack of timely submission, which would have an adverse effect on our revenue and our business.

We may encounter manufacturing problems or delays that could result in lost revenue.

We currently manufacture our proprietary microfluidic channels at our San Diego facility and intend to continue to do so. We believe we currently have
adequate manufacturing capacity for our microfluidic channels. If demand for our current products, assays and services and our planned future products,
assays and services increases significantly, we will need to either expand our manufacturing capabilities or outsource to other manufacturers. If we or third-
party manufacturers engaged by us fail to manufacture and deliver our microfluidic channels or certain reagents in a timely manner, our relationships with
our customers could be seriously harmed. We cannot assure you that manufacturing, or quality control problems will not arise as we attempt to increase the
production of our microfluidic channels or reagents or that we can increase our manufacturing capabilities and maintain quality control in a timely manner
or at commercially reasonable costs. If we cannot manufacture our microfluidic channels consistently on a timely basis because of these or other factors, it
could have a significant negative impact on our ability to perform assays and generate revenues.

International expansion of our business would expose us to business, regulatory, political, operational, financial and economic risks associated with
doing business outside of the United States.

Our  business  strategy  is  to  pursue  increased  international  expansion,  including  partnering  with  academic  and  commercial  testing  laboratories,  and
introducing  our  technology  outside  the  United  States  as  part  of  IVD  test  kits  and/or  testing  systems  utilizing  our  technologies.  Doing  business
internationally involves a number of risks, including:

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multiple, conflicting and changing laws and regulations such as tax laws, export and import restrictions, employment laws, regulatory requirements
and other governmental approvals, permits and licenses;

failure by us or our distributors to obtain regulatory approvals for the sale or use of our current products or assays and our planned future products
or assays in various countries;

difficulties in managing foreign operations;

complexities associated with managing government payer systems, multiple payer-reimbursement regimes or self-pay systems;

logistics and regulations associated with shipping blood samples, including infrastructure conditions and transportation delays;

limits  on  our  ability  to  penetrate  international  markets  if  our  current  products  or  assays  and  our  planned  future  products  or  assays  cannot  be
processed by an appropriately qualified local laboratory;

financial risks, such as longer payment cycles, difficulty enforcing contracts and collecting accounts receivable and exposure to foreign currency
exchange rate fluctuations;

reduced protection for intellectual property rights, or lack of them in certain jurisdictions, forcing more reliance on our trade secrets, if available;

natural disasters, political and economic instability, including wars, terrorism and political unrest, outbreak of disease, boycotts, curtailment of trade
and other business restrictions; and

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failure to comply with the Foreign Corrupt Practices Act, including its books and records provisions and its anti-bribery provisions, by maintaining
accurate information and control over sales activities and distributors’ activities.

Any of these risks, if encountered, could significantly harm our future international expansion and operations and consequently, have a material adverse
effect on our financial condition, results of operations and cash flows.

General economic or business conditions may have a negative impact on our business.

Continuing  concerns  over  United  States  health  care  reform  legislation  and  energy  costs,  geopolitical  issues,  the  availability  and  cost  of  credit  and
government stimulus programs in the United States and other countries have contributed to increased volatility and diminished expectations for the global
economy.  These  factors,  combined  with  low  business  and  consumer  confidence  and  high  unemployment,  precipitated  an  economic  slowdown  and
recession. If the economic climate deteriorates, our business, including our access to patient samples and the addressable market for products or diagnostic
assays  that  we  may  successfully  develop,  as  well  as  the  financial  condition  of  our  suppliers  and  our  third-party  payers,  could  be  adversely  affected,
resulting in a negative impact on our business, financial condition and results of operations.

Intrusions into our computer systems could result in compromise of confidential information.

Despite  the  implementation  of  security  measures,  our  technology  or  systems  that  we  interface  with,  including  the  Internet  and  related  systems,  may  be
vulnerable  to  physical  break-ins,  hackers,  improper  employee  or  contractor  access,  computer  viruses,  programming  errors,  or  similar  problems.  Any  of
these might result in confidential medical, business or other information of other persons or of ourselves being revealed to unauthorized persons.

There  are  a  number  of  state,  federal  and  international  laws  protecting  the  privacy  and  security  of  health  information  and  personal  data.  The  Health
Information Technology for Economic and Clinical Health Act of 2009, or HITECH, amended the privacy and security provisions of the Health Insurance
Portability and Accountability Act, or HIPAA. HIPAA imposes limitations on the use and disclosure of an individual’s healthcare information by certain
healthcare providers, healthcare clearinghouses, and health insurance plans, collectively referred to as covered entities, and also grants individuals rights
with respect to their health information. HIPAA also imposes compliance obligations and corresponding penalties for non-compliance on individuals and
entities that provide services involving the creation, receipt, maintenance or transmission of individually identifiable health information for or on behalf of
covered entities, collectively referred to as business associates. HITECH also made significant increases in the penalties for improper use or disclosure of
an individual’s health information under HIPAA and extended enforcement authority to state attorneys general. As amended by HITECH and subsequently
by  the  final  omnibus  rule  adopted  in  2013,  or  Final  Omnibus  Rule,  HIPAA  also  imposes  notification  requirements  on  covered  entities  in  the  event  that
certain health information has been inappropriately accessed or disclosed: notification requirements to individuals, federal regulators, and in some cases,
notification to local and national media. Notification is not required under HIPAA if the health information that is improperly used or disclosed is deemed
secured in accordance with encryption or other standards developed by the U.S. Department of Health and Human Services, or HHS. Most states have laws
requiring notification of affected individuals and/or state regulators in the event of a breach of personal information, which is a broader class of information
than  the  health  information  protected  by  HIPAA.  Many  state  laws  impose  significant  data  security  requirements,  such  as  encryption  or  mandatory
contractual terms to ensure ongoing protection of personal information. Activities outside of the United States implicate local and national data protection
standards, impose additional compliance requirements and generate additional risks of enforcement for non-compliance.  For example, if we obtain certain
personal information regarding residents in the European Union, we may be subject to the European Union General Data Protection Regulation. We may be
required to expend significant capital and other resources to ensure ongoing compliance with applicable privacy and data security laws, to protect against
security breaches and hackers or to alleviate problems caused by such breaches.

We depend on our information technology and telecommunications systems, and any failure of these systems could harm our business.

We  depend  on  information  technology  and  telecommunications  systems  for  significant  aspects  of  our  operations.  In  addition,  our  third-party  billing
software provider depends upon telecommunications and data systems provided by outside vendors and information we provide on a regular basis. These
information  technology  and  telecommunications  systems  support  a  variety  of  functions,  including  assay  processing,  sample  tracking,  quality  control,
customer service and support, billing and reimbursement, research and development activities and our general and administrative activities. Information
technology

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and telecommunications systems are vulnerable to damage from a variety of sources, including telecommunications or network failures, malicious human
acts  and  natural  disasters.  Moreover,  despite  network  security  and  back-up  measures,  some  of  our  servers  are  potentially  vulnerable  to  physical  or
electronic  break-ins,  computer  viruses  and  similar  disruptive  problems.  Despite  the  precautionary  measures  we  have  taken  to  prevent  unanticipated
problems that could affect our information technology and telecommunications systems, failures or significant downtime of our information technology or
telecommunications systems or those used by our third-party service providers could prevent us from processing assays, providing assay results to medical
oncologists,  surgical  oncologists,  urologists,  pulmonologists,  pathologists,  other  physicians,  billing  payers,  processing  reimbursement  appeals,  handling
patient or physician inquiries, conducting research and development activities and managing the administrative aspects of our business. Any disruption or
loss  of  information  technology  or  telecommunications  systems  on  which  critical  aspects  of  our  operations  depend  could  have  an  adverse  effect  on  our
business.

Regulatory Risks Relating to Our Business

Healthcare policy changes, including recently enacted legislation reforming the U.S. health care system, may have a material adverse effect on our
financial condition, results of operations and cash flows.

The Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act, or collectively the ACA, enacted in
March 2010, makes a number of substantial changes in the way health care is financed by both governmental and private insurers.

Although some of these provisions may negatively impact payment rates for clinical laboratory tests, the ACA also extends coverage to over 30 million
previously uninsured people, which resulted in an increase in the demand for our current assays and our planned future assays. There remain judicial and
Congressional challenges to certain aspects of the ACA, as well as efforts by the Trump administration to repeal or replace certain aspects of the ACA.
Since January 2017, the President of the United States has signed two executive orders and other directives designed to delay, circumvent, or loosen certain
requirements  mandated  by  the  ACA.  Concurrently,  Congress  has  considered  legislation  that  would  repeal  or  repeal  and  replace  all  or  part  of  the  ACA.
While  Congress  has  not  passed  repeal  legislation,  it  has  enacted  laws  that  modify  certain  provisions  of  the  ACA  such  as  removing  penalties  effective
January  1,  2019,  for  not  complying  with  the  ACA’s  individual  mandate  to  carry  health  insurance  and  eliminating  the  implementation  of  certain  ACA-
mandated fees, including but not limited the Medical Device Excise Tax. On December 14, 2018, a Texas U.S. District Court Judge ruled that the ACA is
unconstitutional in its entirety because the “individual mandate” was repealed by Congress as part of the Tax Cuts and Jobs Act of 2017. Additionally, on
December 18, 2019, the U.S. Court of Appeals for the 5th Circuit upheld the District Court ruling that the individual mandate was unconstitutional and
remanded the case back to the District Court to determine whether the remaining provisions of the ACA are invalid as well. On March 2, 2020, the United
States Supreme Court granted the petitions for writs of certiorari to review this case and has allotted one hour for oral arguments. It is unclear how this
decision, subsequent appeals, and other efforts to repeal and replace the ACA will impact the ACA.

In addition, other legislative changes have been proposed and adopted since the ACA was enacted. The Protecting Access to Medicare Act of 2014, or
PAMA, was signed to law, which, among other things, significantly altered the current payment methodology under the CLFS. Under the new law, issued
in  2016  and  the  reporting  period  beginning  in  2017  and  every  three  years  thereafter  (or  annually  in  the  case  of  advanced  diagnostic  laboratory  tests),
applicable  clinical  laboratories  must  report  laboratory  test  payment  data  for  each  Medicare-covered  clinical  diagnostic  laboratory  test  that  it  furnishes
during the specified time period. The reported data must include the payment rate (reflecting all discounts, rebates, coupons and other price concessions)
and the volume of each test that was paid by each private payer (including health insurance issuers, group health plans, Medicare Advantage plans and
Medicaid managed care organizations). Effective January 1, 2018, the Medicare payment rate for each clinical diagnostic laboratory test is equal to the
weighted  median  amount  for  the  test  from  the  most  recent  data  collection  period.  The  payment  rate  applies  to  laboratory  tests  furnished  by  a  hospital
laboratory if the test is separately paid under the hospital outpatient prospective payment system. The PAMA rate changes to our tests that were impacted
did not materially affect our payments beginning in 2018; however, we cannot predict how this may change future payment in coming years. Also, under
PAMA,  the  Centers  for  Medicare  &  Medicaid  Services,  or  CMS,  is  required  to  adopt  temporary  billing  codes  to  identify  new  tests  and  new  advanced
diagnostic  laboratory  tests  that  have  been  cleared  or  approved  by  the  FDA.  For  an  existing  test  that  is  cleared  or  approved  by  the  FDA  and  for  which
Medicare payment is made as of April 1, 2014, CMS is required to assign a unique billing code if one has not already been assigned by the agency. In
addition to assigning the code, CMS is required to publicly report payment for the tests. Further, under PAMA, CMS is required to adopt temporary billing
codes to identify new tests and new advanced diagnostic laboratory tests that have been

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cleared or approved by the FDA. We cannot determine at this time the full impact of PAMA on our business, financial condition and results of operations.

Additionally, the Budget Control Act of 2011, among other things, created the Joint Select Committee on Deficit Reduction to recommend proposals in
spending  reductions  to  Congress.  The  Joint  Select  Committee  did  not  achieve  its  targeted  deficit  reduction  of  at  least  $1.2  trillion  for  the  years  2013
through 2021, triggering the legislation’s automatic reduction to several government programs. This includes aggregate reductions to Medicare payments to
providers and suppliers of up to 2% per fiscal year, starting in 2013, and, due to subsequent legislative amendments to the statute, will remain in effect
through 2029 unless additional congressional action is taken. The full impact on our business the sequester law is uncertain. In addition, the Middle-Class
Tax Relief and Job Creation Act of 2012, or MCTRJCA, mandated an additional change in Medicare reimbursement for clinical laboratory tests.

Some  of  our  laboratory  assay  business  is  subject  to  the  Medicare  Physician  Fee  Schedule  and,  under  the  current  statutory  formula,  the  rates  for  these
services are updated annually. For the past several years, the application of the statutory formula would have resulted in substantial payment reductions if
Congress failed to intervene. In the past, Congress passed interim legislation to prevent the decreases. If Congress fails to intervene to prevent the negative
update factor in future years, the resulting decrease in payment may adversely affect our revenue and results of operations. If in future years Congress does
not  adopt  interim  legislation  to  block  or  offset,  and/or  CMS  does  not  moderate,  any  substantial  CMS-proposed  reimbursement  reductions,  the  resulting
decrease in payments from Medicare could adversely impact our revenues and results of operations.

We cannot predict whether future health care initiatives will be implemented at the federal or state level, or how any future legislation or regulation may
affect  us.  The  expansion  of  government’s  role  in  the  U.S.  health  care  industry,  and  changes  to  the  reimbursement  amounts  paid  by  Medicare  and  other
payers for our current assays and our planned future assays, may reduce our profits, if any, and have a materially adverse effect on our business, financial
condition, results of operations and cash flows. Moreover, Congress has proposed on several occasions to impose a 20% coinsurance payment requirement
on patients for clinical laboratory tests reimbursed under the Medicare Clinical Laboratory Fee Schedule, which would require us to bill patients for these
amounts. In the event that Congress were to ever enact such legislation, the cost of billing and collecting for our assays could often exceed the amount
actually received from the patient.

Our commercial success could be compromised if hospitals or other clients do not pay our invoices or if third-party payers, including managed care
organizations and Medicare, do not provide coverage and reimbursement, breach, rescind or modify their contracts or reimbursement policies or delay
payments for our current assays and our planned future assays.

Medical oncologists, surgical oncologists, urologists, pulmonologists, pathologists and other physicians may not order our current assays and our planned
future assays unless third-party payers, such as managed care organizations and government payers (e.g., Medicare and Medicaid), pay a substantial portion
of the assay price. Coverage and reimbursement by a third-party payer may depend on a number of factors, including a payer’s determination that assays
using our technologies are:

•

•

•

•

•

•

not experimental or investigational;

medically necessary;

appropriate for the specific patient;

cost-effective;

supported by peer-reviewed publications; and

included in clinical practice guidelines.

Uncertainty surrounds third-party payer coverage and adequate reimbursement of any test incorporating new technology, including tests developed using
our technologies. Technology assessments of new medical tests conducted by research centers and other entities may be disseminated to interested parties
for informational purposes. Third-party payers and health care providers may use such technology assessments as grounds to deny coverage for a test or
procedure.  Technology  assessments  can  include  evaluation  of  clinical  utility  studies,  which  define  how  a  test  is  used  in  a  particular  clinical  setting  or
situation.

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Because  each  payer  generally  determines  for  its  own  enrollees  or  insured  patients  whether  to  cover  or  otherwise  establish  a  policy  to  reimburse  our
diagnostic  assays,  seeking  payer  approvals  is  a  time-consuming  and  costly  process.  We  cannot  be  certain  that  coverage  for  our  current  assays  and  our
planned future assays will be provided in the future by additional third-party payers or that existing agreements, policy decisions or reimbursement levels
will  remain  in  place  or  be  fulfilled  under  existing  terms  and  provisions.  If  we  cannot  obtain  coverage  and  adequate  reimbursement  from  private  and
governmental payers such as Medicare and Medicaid for our current assays, or new assays or assay enhancements that we may develop in the future, our
ability  to  generate  revenues  could  be  limited,  which  may  have  a  material  adverse  effect  on  our  financial  condition,  results  of  operations  and  cash  flow.
Further, we may experience delays and interruptions in the receipt of payments from third-party payers due to missing documentation and/or other issues,
which could cause delay in collecting our revenue.

In addition, to the extent that our assays are ordered for Medicare inpatients and outpatients, only the hospital may receive payment from the Medicare
program for the technical component of pathology services and any clinical laboratory services that we perform, unless the testing is ordered at least 14
days  after  discharge  and  certain  other  requirements  are  met.  We  therefore  must  look  to  the  hospital  for  payment  for  these  services  under  these
circumstances. If hospitals refuse to pay for the services or fail to pay in a timely manner, our ability to generate revenues could be limited, which may
have a material adverse effect on our financial condition, results of operations and cash flow.

We expect to depend on Medicare and a limited number of private payers for a significant portion of our revenues and if these or other payers stop
providing reimbursement or decrease the amount of reimbursement for our current assays and our planned future assays, our revenues could decline.

Approximately  39%  and  38%  of  total  net  revenues  during  the  years  ended  December  31,  2018  and  2019,  respectively,  were  associated  with  Medicare
reimbursement. Approximately 11% and 21% of total net revenues during the years ended December 31, 2018 and 2019, respectively, were associated with
Blue  Cross  Blue  Shield  reimbursement,  and  approximately  17%  and  8%  of  total  net  revenues  for  the  years  ended  December  31,  2018  and  2019,
respectively, were associated with United Healthcare reimbursement. We cannot assure you that, even if our current assays and our planned future assays
are otherwise successful, reimbursement for the currently Medicare, Blue Cross Blue Shield, and United Healthcare covered-portions of our current assays
and  our  planned  future  assays  would,  without  such  contracted  payer  reimbursement  for  the  capture/enumeration  portion,  produce  sufficient  revenues  to
enable us to reach profitability and achieve our other commercial objectives.

Medicare  and  other  third-party  payers  may  change  their  coverage  policies  or  cancel  future  contracts  with  us  at  any  time,  review  and  adjust  the  rate  of
reimbursement  or  stop  paying  for  our  assays  altogether,  which  would  reduce  our  total  revenues.  Payers  have  increased  their  efforts  to  control  the  cost,
utilization and delivery of health care services. In the past, measures have been undertaken to reduce payment rates for and decrease utilization of clinical
laboratory testing generally. Because of the cost-trimming trends, third-party payers that currently cover and provide reimbursement for our current assays
and our planned future assays may suspend, revoke or discontinue coverage at any time, or may reduce the reimbursement rates payable to us. Any such
action could have a negative impact on our revenues, which may have a material adverse effect on our financial condition, results of operations and cash
flows.

In addition, we are currently considered a “non-contracted provider” by many private payers because we have not entered into a specific contract to provide
diagnostic assays to their insured patients at specified rates of reimbursement. Additionally, a significant amount of our non-Medicare business (private
payers)  has  historically  not  been  contracted,  and  reimbursement  for  this  business  has  historically  not  been  at  “in  network”  rates  and  has  therefore  been
inconsistent. We first began to contract private payer networks in 2015, and since then our number of accessions treated as “in network” has increased as
we  continue  to  execute  additional  contracts,  and  reimbursement  is  improving.  We  are  currently  contracted  with  nine  preferred  provider  organization
networks, three large health plans, and five regional independent physician associations, and expect to continue to gain contracts in order to be considered
as an “in-network” provider with additional plans. If we were to become a contracted provider with additional payers in the future, the amount of overall
reimbursement  we  receive  would  likely  decrease  because  we  could  be  reimbursed  less  money  per  assay  performed  at  a  contracted  rate  than  at  a  non-
contracted rate, which could have a negative impact on our revenues. Further, we typically are unable to collect payments from patients beyond that which
is paid by their insurance and will continue to experience lost revenue as a result.

Because  of  certain  Medicare  billing  policies,  we  may  not  receive  complete  reimbursement  for  assays  provided  to  Medicare  patients.  Medicare
reimbursement revenues are an important component of our business model, and private payers

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sometimes look to Medicare determinations when making their own payment determinations; therefore, incomplete or inadequate reimbursement from
Medicare would negatively affect our business.

Medicare has coverage policies that can be national or regional in scope. Coverage means that assay is approved as a benefit for Medicare beneficiaries. If
there is no coverage, neither the supplier nor any other party, such as a reference laboratory, may receive reimbursement from Medicare for the service.
There is currently no national coverage policy regarding the CTC enumeration portion of our assays. Because our laboratory is in California, the regional
Medicare Administrative Contractor, or MAC, for California is the relevant MAC for all our assays. The previous MAC for California, Palmetto, which is
contracted with CMS to administer the Molecular Diagnostic Services, or MolDx, program that sets guidelines for coding, coverage and reimbursement of
molecular diagnostic assays, adopted a negative coverage policy for CTC enumeration. The current MAC for California, Noridian Healthcare Solutions,
LLC, is adopting the coverage policies from Palmetto. Therefore, the enumeration portion of our assays is not currently covered, and we will receive no
payment from Medicare for this portion of the service unless and until the coverage policy is changed. Although approximately 76% and 78% of all billable
cases received during the years ended December 31, 2018 and 2019, respectively, relate to our Target-Selector™ biomarker assays, we continue to receive
orders for traditional enumeration testing, which counts disease burden, and therefore the enumeration testing receives no payment from Medicare based
upon the existing coverage decision. The CTC enumeration counts disease burden and is a prognostic assay, and although valuable, it does not meet many
of the medical necessity requirements of Medicare and the payers. We intend to pursue payment for the capture portion of our CTC technology that allows
us to run our diagnostic testing for some of our Target-Selector™ assays.

We cannot assure you that, even if our current assays and our planned future assays are otherwise successful, reimbursement for the currently Medicare,
Blue Cross Blue Shield, and United Healthcare-covered portions of our current assays and our planned future assays would, without such contracted payer
reimbursement  for  the  capture/enumeration  portion,  produce  sufficient  revenues  to  enable  us  to  reach  profitability  and  achieve  our  other  commercial
objectives.

The  processing  of  Medicare  claims  is  subject  to  change  at  CMS’  discretion  at  any  time.  Cost  containment  initiatives  may  be  a  threat  to  Medicare
reimbursement levels (including for the covered components of our current assays and our planned future assays, including FISH analysis and molecular
assays) for the foreseeable future.

Long payment cycles of Medicare, Medicaid and/or other third-party payers, or other payment delays, could hurt our cash flows and increase our need
for working capital.

Medicare and Medicaid have complex billing and documentation requirements that we must satisfy in order to receive payment, and the programs can be
expected to carefully audit and monitor our compliance with these requirements. We must also comply with numerous other laws applicable to billing and
payment for healthcare services, including, for example, privacy laws. Failure to comply with these requirements may result in, among other things, non-
payment, refunds, exclusion from government healthcare programs, and civil or criminal liabilities, any of which may have a material adverse effect on our
revenues  and  earnings.  In  addition,  failure  by  third-party  payers  to  properly  process  our  payment  claims  in  a  timely  manner  could  delay  our  receipt  of
payment for our products and services, which may have a material adverse effect on our cash flows.

Complying with numerous regulations pertaining to our business is an expensive and time-consuming process, and any failure to comply could result
in substantial penalties.

We are subject to CLIA, a federal law regulating clinical laboratories that perform testing on specimens derived from humans for the purpose of providing
information for the diagnosis, prevention or treatment of disease. Our clinical laboratory must be certified under CLIA in order for us to perform testing on
human specimens. CLIA is intended to ensure the quality and reliability of clinical laboratories in the United States by mandating specific standards in the
areas of personnel qualifications, administration, and participation in proficiency testing, patient test management, quality control, quality assurance and
inspections. We have a current certificate of accreditation under CLIA to perform high complexity testing, and our laboratory is accredited by the College
of American Pathologists, or CAP, one of six CLIA-approved accreditation organizations. To renew this certificate, we are subject to survey and inspection
every two years. Moreover, CLIA and CAP inspectors may make periodic inspections of our clinical laboratory outside of the renewal process. The failure
to comply with CLIA or CAP requirements can result in enforcement actions, including the revocation, suspension, or limitation of our CLIA and/or CAP
certificate  of  accreditation,  as  well  as  a  directed  plan  of  correction,  state  on-site  monitoring,  civil  money  penalties,  civil  injunctive  suit  and/or  criminal
penalties. We must maintain CLIA compliance and certification to be eligible to bill for assays

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provided to Medicare beneficiaries. If we were to be found out of compliance with CLIA program requirements and subjected to sanctions, our business
and  reputation  could  be  harmed.  Even  if  it  were  possible  for  us  to  bring  our  laboratory  back  into  compliance,  we  could  incur  significant  expenses  and
potentially lose revenue in doing so.

In addition, our laboratory is located in California and is required by state law to have a California state license; as we expand our geographic focus, we
may  need  to  obtain  laboratory  licenses  from  additional  states.  California  laws  establish  standards  for  operation  of  our  clinical  laboratory,  including  the
training and skills required of personnel and quality control. In addition, we hold licenses from the states of Pennsylvania, Maryland and Rhode Island to
test specimens from patients in those states or received from ordering physicians in those states. In addition, our clinical reference laboratory is required to
be licensed on a product-specific basis by New York as an out of state laboratory and our products, as LDTs, must be approved by the New York State
Department of Health before they are offered in New York. As part of this process, the State of New York requires validation of our assays. We currently do
not have the necessary New York license, but we are in the process of addressing the requirements for licensure in New York. Other states may have similar
requirements  or  may  adopt  similar  requirements  in  the  future.  Finally,  we  may  be  subject  to  regulation  in  foreign  jurisdictions  if  we  seek  to  expand
international distribution of our assays outside the United States.

If we were to lose our CLIA certification or California laboratory license, whether as a result of a revocation, suspension or limitation, we would no longer
be able to offer our assays, which would limit our revenues and harm our business. If we were to lose, or fail to obtain, a license in any other state where
we are required to hold a license, we would not be able to test specimens from those states. If we were to lose our CAP accreditation, our reputation for
quality, as well as our business, financial condition and results of operations, could be significantly and adversely affected.

If the FDA were to begin requiring approval or clearance of our current products or assays and our planned future products or assays, we could incur
substantial costs and time delays associated with meeting requirements for pre-market clearance or approval or we could experience decreased demand
for, or reimbursement of, our assays.

We provide our assays as LDTs. Historically; the FDA has exercised enforcement discretion with respect to most LDTs and has not required laboratories
that offer LDTs to comply with the agency’s requirements for medical devices (e.g., establishment registration, device listing, quality systems regulations,
premarket  clearance  or  premarket  approval,  and  post-market  controls).  In  recent  years,  however,  the  FDA  has  stated  it  intends  to  end  its  policy  of
enforcement  discretion  and  regulate  certain  LDTs  as  medical  devices.  To  this  end,  on  October  3,  2014,  the  FDA  issued  two  draft  guidance  documents,
entitled  “Framework  for  Regulatory  Oversight  of  Laboratory  Developed  Tests  (LDTs)”  and  “FDA  Notification  and  Medical  Device  Reporting  for
Laboratory  Developed  Tests  (LDTs)”,  respectively,  that  set  forth  a  proposed  risk-based  regulatory  framework  that  would  apply  varying  levels  of  FDA
oversight to LDTs. The FDA has indicated that it does not intend to modify its policy of enforcement discretion until the draft guidance documents are
finalized. In January 2017, the FDA announced that final guidance on the oversight of LDTs would allow for further public discussion. On January 13,
2017 the FDA issued a “Discussion Paper on Laboratory Developed Tests (LDTs),” which states that the material in the document does not represent a final
version of the LDT draft guidance documents that were published in 2014 or position of the FDA; rather, the document is a method to encourage additional
dialogue.  The  timing  of  when,  if  at  all,  the  draft  guidance  documents  will  be  finalized  is  unclear,  and  even  then,  the  new  regulatory  requirements  are
proposed to be phased-in consistent with the schedule set forth in the guidance. Nevertheless, the FDA may decide to regulate certain LDTs on a case-by-
case basis at any time. LDTs with the same intended use as a cleared or approved companion diagnostic are defined in FDA’s draft guidance as “high-risk
LDTs (Class III medical devices)” for which premarket review would be first to occur.

FDA  review,  if  required  and  successfully  accomplished,  would  be  expected  to  have  some  advantages.  Certain  health  insurance  payers  have  paid  higher
amounts over LDT prices for FDA approved or cleared tests, recognizing the additional costs of bringing a test through regulatory review. Some payers
also  accept  FDA  approval  or  clearance  as  a  presumptive  evidence  of  an  assay’s  analytic  validity  and  clinical  validity,  which  can  reduce  the  barriers  to
coverage since the payer can focus its review on clinical utility.

The container we provide for collection and transport of blood samples from a health care provider to our clinical laboratory, as well as our BCTs, may be
medical devices subject to the FDA regulation but are currently exempt from pre-market review by the FDA. While we believe that we are currently in
material  compliance  with  applicable  laws  and  regulations,  we  cannot  assure  you  that  the  FDA  or  other  regulatory  agencies  would  agree  with  our
determination, and a determination that we have violated these laws, or a public announcement that we are being investigated for possible violations of
these laws, could adversely affect our business, prospects, results of operations or financial condition.

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Some of the materials we use for our current products, assays and services and may use in our planned future products, assays and services are labeled for
RUO. In November 2013, the FDA finalized guidance regarding the sale and use of products labeled for research or investigational use only. Among other
things, the guidance advises that the FDA continues to be concerned about distribution of research or investigational use only products intended for clinical
diagnostic use and that the manufacturer’s objective intent for the product’s intended use will be determined by examining the totality of circumstances,
including advertising,  instructions  for  clinical  interpretation,  presentations  that  describe  clinical  use,  and  specialized  technical  support,  surrounding  the
distribution  of  the  product  in  question.  The  FDA  has  advised  that  if  evidence  demonstrates  that  a  product  is  inappropriately  labeled  for  research  or
investigational use only, the device would be misbranded and adulterated within the meaning of the Federal Food, Drug and Cosmetic Act. Some of the
materials  and  reagents  obtained  by  us  from  suppliers  for  use  in  our  current  products,  assays  and  services  and  our  planned  future  products,  assays  and
services are currently labeled as research or investigational use only products. If the FDA were to undertake enforcement actions, some of our suppliers
might cease selling research or investigational use products to us, and any failure to obtain an acceptable substitute could significantly and adversely affect
our business, financial condition and results of operations, including increasing the cost of materials or reagents used in our current products, assays and
services  or  planned  future  products,  assays  and  services  or  delaying,  limiting  or  prohibiting  the  purchase  of  materials  or  reagents  necessary  to  sell  our
current products or planned future products or to perform our current assays or our planned future assays.

Our BCTs and Target Selector kits are marketed for RUO and distributed and sold to end users, some of which will be researchers and institutions while
other end users could be labs performing clinical testing that will create their own LDTs. Some end users may assert that our ROU products caused their
assays to perform inadequately or give erroneous results. If that was the case, we could potentially incur additional liabilities.

Further, HHS requested that its Advisory Committee on Genetics, Health and Society make recommendations about the oversight of genetic testing. A final
report was published in April 2008. If the report’s recommendations for increased oversight of genetic testing were to result in further regulatory burdens,
they could negatively affect our business and delay the commercialization of assays in development.

Additionally,  on  March  16,  2018  CMS  issued  a  final  determination  decision  memo  for  Next-Generation  Sequencing,  or  NGS,  tests  for  Medicare
Beneficiaries  with  Advanced  Cancer  (CAG-00450N).    Under  this  final  determination,  NGS  tests  that  gain  FDA  approval  or  clearance  as  a  companion
diagnostic will receive coverage, and the final determination of coverage for NGS tests that are LDTs will be left up to the local MAC. Currently, only 1 of
our 15 CLIA validated assays is NGS-based; however, we plan to offer additional NGS assays in the future. To gain coverage for those assays, we will
need  to  apply  to  Palmetto,  which  is  the  MAC  that  evaluates  and  recommends  payment  coverage  or  denial  for  molecular  testing  in  our  jurisdiction.
Historically, Palmetto has offered a path to reimbursement by providing coverage while data is being gathered known as Coverage with Data Development,
or CDD. Going forward, the extent to which CDD will be continued, if at all, or to the extent that a process will be available in its place, if any, are unclear.

The requirement of pre-market review could negatively affect our business until such review is completed and clearance to market or approval is obtained.
The FDA could require that we stop selling our products or diagnostic assays pending pre-market clearance or approval. If the FDA allows our products or
assays to remain on the market but there is uncertainty about our products or assays, if they are labeled investigational by the FDA or if labeling claims the
FDA allows us to make are very limited, orders from laboratory supply distributors and physicians, or reimbursement from third-party payers, may decline.
The regulatory approval process may involve, among other things, successfully completing additional clinical trials and making a 510(k) submission or
filing a pre-market approval application with the FDA. If the FDA requires pre-market review, our products or assays may not be cleared or approved on a
timely basis, if at all. We may also decide voluntarily to pursue FDA pre-market review of our products or assays if we determine that doing so would be
appropriate.

If we were required to conduct additional clinical studies or trials before continuing to offer assays that we have developed or may develop as LDTs,
those studies or trials could lead to delays or failure to obtain necessary regulatory approval, which could cause significant delays in commercializing
any future products and harm our ability to achieve sustained profitability.

If the FDA decides to require that we obtain clearance or approvals to commercialize our current assays or our planned future assays, we may be required
to conduct additional pre-market clinical testing before submitting a regulatory notification or application for commercial sales. In addition, as part of our
long-term strategy we may plan to seek FDA clearance or approval, so we can sell our assays outside our CLIA laboratory; however, we would need to
conduct additional clinical

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validation activities on our assays before we can submit an application for FDA approval or clearance. Clinical trials must be conducted in compliance with
FDA regulations or the FDA may take enforcement action or reject the data. The data collected from these clinical trials may ultimately be used to support
market clearance or approval for our assays. It may take two years or more to conduct the clinical studies and trials necessary to obtain approval from the
FDA to commercially launch our current assays and our planned future assays outside of our clinical laboratory. Even if our clinical trials are completed as
planned,  we  cannot  be  certain  that  their  results  will  support  our  assay  claims  or  that  the  FDA  or  foreign  authorities  will  agree  with  our  conclusions
regarding our assay results. Success in early clinical trials does not ensure that later clinical trials will be successful, and we cannot be sure that the later
trials  will  replicate  the  results  of  prior  clinical  trials  and  studies.  If  we  are  required  to  conduct  pre-market  clinical  trials,  whether  using  prospectively
acquired samples or archival samples, delays in the commencement or completion of clinical testing could significantly increase our assay development
costs and delay commercialization. Many of the factors that may cause or lead to a delay in the commencement or completion of clinical trials may also
ultimately  lead  to  delay  or  denial  of  regulatory  clearance  or  approval.  The  commencement  of  clinical  trials  may  be  delayed  due  to  insufficient  patient
enrollment, which is a function of many factors, including the size of the patient population, the nature of the protocol, the proximity of patients to clinical
sites and the eligibility criteria for the clinical trial. Moreover, the clinical trial process may fail to demonstrate that our current assays and our planned
future assays are effective for the proposed indicated uses, which could cause us to abandon an assay candidate and may delay development of other assays.

We may find it necessary to engage contract research organizations to perform data collection and analysis and other aspects of our clinical trials, which
might increase the cost and complexity of our trials. We may also depend on clinical investigators, medical institutions and contract research organizations
to  perform  the  trials  properly.  If  these  parties  do  not  successfully  carry  out  their  contractual  duties  or  obligations  or  meet  expected  deadlines,  or  if  the
quality, completeness or accuracy of the clinical data they obtain is compromised due to the failure to adhere to our clinical protocols or for other reasons,
our clinical trials may have to be extended, delayed or terminated. Many of these factors would be beyond our control. We may not be able to enter into
replacement arrangements without undue delays or considerable expenditures. If there are delays in testing or approvals as a result of the failure to perform
by third parties, our research and development costs would increase, and we may not be able to obtain regulatory clearance or approval for our current
assays and our planned future assays. In addition, we may not be able to establish or maintain relationships with these parties on favorable terms, if at all.
Each of these outcomes would harm our ability to market our assays or to achieve sustained profitability.

We  are  subject  to  federal  and  state  healthcare  fraud  and  abuse  laws  and  regulations  and  could  face  substantial  penalties  if  we  are  unable  to  fully
comply with such laws.

We are subject to health care fraud and abuse regulation and enforcement by both the federal government and the states in which we conduct our business.
These health care laws and regulations include, for example:

•

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•

•

•

•

the  federal  Anti-Kickback  Statute,  which  prohibits,  among  other  things,  persons  or  entities  from  soliciting,  receiving,  offering  or  providing
remuneration, directly or indirectly, overtly or covertly, in cash or in kind, in return for or to induce either the referral of an individual for, or the
purchase,  lease,  order  or  recommendation  of,  any  good,  facility,  item  or  services  for  which  payment  may  be  made  under  a  federal  health  care
program such as the Medicare and Medicaid programs;

the federal physician self-referral prohibition, commonly known as the Stark Law, which prohibits physicians from referring Medicare or Medicaid
patients to providers of “designated health services” with whom the physician or a member of the physician’s immediate family has an ownership
interest or compensation arrangement, unless a statutory or regulatory exception applies;

HIPAA,  which  established  additional  federal  civil  and  criminal  liability  for,  among  other  things,  knowingly  and  willfully  executing  a  scheme  to
defraud any health care benefit program or making false statements in connection with the delivery of or payment for health care benefits, items or
services;

HIPAA,  as  amended  by  HITECH,  and  its  implementing  regulations,  which  imposes  certain  requirements  relating  to  the  privacy,  security  and
transmission of individually identifiable health information;

federal false claims and civil monetary penalties laws, which, prohibit, among other things, individuals or entities from knowingly presenting, or
causing to be presented, false or fraudulent claims for payment to the federal government;

the federal Physician Payments Sunshine Act requirements under the ACA, which require certain manufacturers of drugs, devices, biologics and
medical supplies to report to CMS information related to payments and other transfers of

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value  made  to  or  at  the  request  of  covered  recipients,  such  as  physicians,  as  defined  by  such  law,  and  teaching  hospitals,  and  certain  physician
ownership and investment interests held by physicians and their immediate family members; and

•

state  law  equivalents  of  each  of  the  above  federal  laws,  such  as  anti-kickback  and  false  claims  laws,  which  may  apply  to  items  or  services
reimbursed by any third-party payer, including commercial insurers.

Further, the ACA, among other things, amended the intent requirement of the federal Anti-Kickback Statute and certain criminal health care fraud statutes.
Where the intent requirement has been lowered, a person or entity no longer needs to have actual knowledge of this statute or specific intent to violate it in
order to have committed a violation. In addition, the government may now 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 statutes. Any action brought against us for violation of
these laws or regulations, even if we successfully defend against it, could cause us to incur significant legal expenses and divert our management’s attention
from the operation of our business. If our operations are found to be in violation of any of these laws and regulations, we may be subject to any applicable
penalty associated with the violation, including, among others, significant administrative, civil and criminal penalties, damages and fines, imprisonment,
integrity  oversight  and  reporting  obligations,  and  exclusion  from  participation  in  government  funded  healthcare  programs  such  as  Medicare,  Medicaid
programs, including the California Medical Assistance Program (Medi-Cal-the California Medicaid program) or other state or federal health care programs.
Additionally, we could be required to refund payments received by us, and we could be required to curtail or cease our operations. Any of the foregoing
consequences could seriously harm our business and our financial results.

We are required to comply with laws governing the transmission, security and privacy of health information that require significant compliance costs,
and any failure to comply with these laws could result in material criminal and civil penalties.

Under  the  administrative  simplification  provisions  of  HIPAA,  HHS  has  issued  regulations  which  establish  uniform  standards  governing  the  conduct  of
certain electronic health care transactions and protecting the privacy and security of protected health information used or disclosed by health care providers
and other covered entities.

The privacy regulations regulate the use and disclosure of protected health information by covered entities engaging in certain electronic transactions or
“standard  transactions.”  They  also  set  forth  certain  rights  that  an  individual  has  with  respect  to  his  or  her  protected  health  information  maintained  by  a
covered  entity,  including  the  right  to  access  or  amend  certain  records  containing  protected  health  information  or  to  request  restrictions  on  the  use  or
disclosure of protected health information. The HIPAA security regulations establish administrative, physical and technical standards for maintaining the
confidentiality, integrity and availability of protected health information in electronic form. These standards apply to covered entities and also to “business
associates” or third parties providing services to covered entities involving the use or disclosure of protected health information. The HIPAA privacy and
security regulations establish a uniform federal “floor” and do not supersede state laws that are more stringent or provide individuals with greater rights
with respect to the privacy or security of, and access to, their records containing protected health information. As a result, we may be required to comply
with both HIPAA privacy regulations and varying state privacy and security laws.

Moreover,  HITECH,  among  other  things,  established  certain  health  information  security  breach  notification  requirements,  which  were  later  further
modified  by  the  Final  Omnibus  Rule.  In  the  event  of  a  breach  of  unsecured  protected  health  information,  a  covered  entity  must  notify  each  individual
whose  protected  health  information  is  breached,  federal  regulators  and  in  some  cases,  must  publicize  the  breach  in  local  or  national  media.  Breaches
affecting 500 individuals or more may be publicized by federal regulators who publicly identify the breaching entity, the circumstances of the breach and
the number of individuals affected.

These laws contain significant fines and other penalties for wrongful use or disclosure of protected health information. Given the complexity of HIPAA and
HITECH and their overlap with state privacy and security laws, and the fact that these laws are rapidly evolving and are subject to changing and potentially
conflicting  interpretation,  our  ability  to  comply  with  the  HIPAA,  HITECH  and  state  privacy  requirements  is  uncertain  and  the  costs  of  compliance  are
significant. Adding to the complexity is that our operations are evolving, and the requirements of these laws will apply differently depending on such things
as whether or not we bill electronically for our services. The costs of complying with any changes to the HIPAA, HITECH and

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state  privacy  restrictions  may  have  a  negative  impact  on  our  operations.  Noncompliance  could  subject  us  to  criminal  penalties,  civil  sanctions  and
significant monetary penalties as well as reputational damage.

Clinical research is heavily regulated and failure to comply with human subject protection regulations may disrupt our research program leading to
significant expense, regulatory enforcement, private lawsuits and reputational damage.

Clinical research is subject to federal, state and, for studies conducted outside of the United States, international regulation. At the federal level, the FDA
imposes regulations for the protection of human subjects and requirements such as initial and ongoing institutional review board review; informed consent
requirements, adverse event reporting and other protections to minimize the risk and maximize the benefit to research participants. Many states impose
human subject protection laws that mirror or in some cases exceed federal requirements. HIPAA also regulates the use and disclosure of protected health
information  in  connection  with  research  activities.  Research  conducted  overseas  is  subject  to  a  variety  of  national  protections  such  as  mandatory  ethics
committee  review,  as  well  as  laws  regulating  the  use,  disclosure  and  cross-border  transfer  of  personal  data.  For  example,  if  we  obtain  certain  personal
information  regarding  residents  in  the  European  Union,  we  may  be  subject  to  the  European  Union  General  Data  Protection  Regulation.  The  costs  of
compliance with these laws may be significant and compliance with regulatory requirements may result in delay. Noncompliance may disrupt our research
and result in data that is unacceptable to regulatory authorities, data lock or other sanctions that may significantly disrupt our operations.

Violation of a state’s prohibition on the corporate practice of medicine could result in a material adverse effect on our business.

A number of states, including California, do not allow business corporations to employ physicians to provide professional services. This prohibition against
the “corporate practice of medicine” is aimed at preventing corporations such as us from exercising control over the medical judgments or decisions of
physicians.  The  state  licensure  statutes  and  regulations  and  agency  and  court  decisions  that  enumerate  the  specific  corporate  practice  rules  vary
considerably from state to state and are enforced by both the courts and regulatory authorities, each with broad discretion. If regulatory authorities or other
parties in any jurisdiction successfully assert that we are engaged in the unauthorized corporate practice of medicine, we could be required to restructure
our contractual and other arrangements. In addition, violation of these laws may result in significant civil, criminal and administrative penalties imposed
against us and/or the professional through licensure proceedings, and exclusion from state and federal health care programs.

Legal,  political  and  economic  uncertainty  surrounding  the  exit  of  the  U.K.,  from  the  European  Union,  or  EU,  may  be  a  source  of  instability  in
international markets, create significant currency fluctuations, adversely affect our operations or intended operations in the U.K. and pose additional
risks to our business, revenue, financial condition and results of operations.

Following the result of a referendum in 2016, the U.K. left the EU on January 31, 2020, commonly referred to as Brexit. Pursuant to the formal withdrawal
arrangements agreed between the U.K. and the EU, the U.K. will be subject to a transition period until December 31, 2020, or the Transition Period, during
which  EU  rules  will  continue  to  apply.  Negotiations  between  the  U.K.  and  the  EU  are  expected  to  continue  in  relation  to  the  customs  and  trading
relationship between the U.K. and the EU following the expiry of the Transition Period.

The uncertainty concerning the U.K’s legal, political and economic relationship with the EU after the Transition Period may be a source of instability in the
international markets, create significant currency fluctuations, and/or otherwise adversely affect trading agreements or similar cross-border co-operation
arrangements (whether economic, tax, fiscal, legal, regulatory or otherwise).

These developments, or the perception that any of them could occur, have had, and may continue to have, a significant adverse effect on global economic
conditions  and  the  stability  of  global  financial  markets,  and  could  significantly  reduce  global  market  liquidity  and  limit  the  ability  of  key  market
participants to operate in certain financial markets. In particular, it could also lead to a period of considerable uncertainty in relation to the U.K. financial
and banking markets, as well as on the regulatory process in Europe. Asset valuations, currency exchange rates and credit ratings may also be subject to
increased market volatility.

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If the U.K. and the EU are unable to negotiate acceptable trading and customs terms or if other EU Member States pursue withdrawal, barrier-free access
between the U.K. and other EU Member States or among the European Economic Area overall could be diminished or eliminated. The long-term effects of
Brexit will depend on any agreements (or lack thereof) between the U.K. and the EU and, in particular, any arrangements for the U.K. to retain access to
EU markets after the Transition Period.

Such a withdrawal from the EU is unprecedented, and it is unclear how the U.K’s access to the European single market for goods, capital, services and
labor within the EU, or single market, and the wider commercial, legal and regulatory environment, will impact our business. Any current or planned future
operations in the U.K. as well as in other countries in the EU and European Economic Area, or EEA, could be disrupted by Brexit, particularly if there is a
change in the U.K’s relationship to the single market.

We may also face new regulatory costs and challenges as a result of Brexit that could have an adverse effect on our operations. For example, the U.K. could
lose the benefits of global trade agreements negotiated by the EU on behalf of its members, which may result in increased trade barriers that could make
our doing business in the EU and the EEA more difficult. Furthermore, at present, there are no indications of the effect Brexit will have on the pathway to
obtaining marketing approval for any of our product candidates in the U.K., or what, if any, role the EMA may have in the approval process. There may
continue  to  be  economic  uncertainty  surrounding  the  consequences  of  Brexit  which  could  adversely  impact  customer  confidence  resulting  in  customers
reducing their spending budgets on our solutions, which could adversely affect our business, revenue, financial condition, results of operations.

Intellectual Property Risks Related to Our Business

If we are unable to obtain and maintain effective patent rights for our products or services, we may not be able to compete effectively in our markets.

We  rely  upon  a  combination  of  patents,  trade  secret  protection,  and  confidentiality  agreements  to  protect  the  intellectual  property  related  to  our
technologies, products and services. Our success depends in large part on our ability to obtain and maintain patent and other intellectual property protection
in the United States and in other countries with respect to our proprietary technology and products.

We  have  sought  to  protect  our  proprietary  position  by  filing  patent  applications  in  the  United  States  and  abroad  related  to  our  novel  technologies  and
products that are important to our business. This process is expensive and time consuming, 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. The possibility exists that we will fail to identify patentable aspects of our research
and development output before it is too late to obtain patent protection.

The  patent  position  of  diagnostic  companies  generally  is  highly  uncertain  and  involves  complex  legal  and  factual  questions  for  which  legal  principles
remain unsolved. The patent applications that we own, or in-license, may fail to result in issued patents with claims that cover our products or services in
the United States or in other foreign countries. There is no assurance that all potentially relevant prior art relating to our patents and patent applications has
been found, which can invalidate a patent or prevent a patent from issuing from a pending patent application. Even if patents do successfully issue, and
even if such patents cover our products and services, third parties may challenge their validity, enforceability, or scope, which may result in such patents
being narrowed, found unenforceable or invalidated. Furthermore, even if they are unchallenged, our patents and patent applications may not adequately
protect  our  intellectual  property,  provide  exclusivity  for  our  products  and  services,  or  prevent  others  from  designing  around  our  claims.  Any  of  these
outcomes could impair our ability to prevent competition from third parties, which may have an adverse impact on our business.

We, independently or together with our licensors, have filed several patent applications covering various aspects of our products and services. We cannot
offer  any  assurances  about  which,  if  any,  patents  will  issue,  the  breadth  of  any  such  patent  or  whether  any  issued  patents  will  be  found  invalid  and
unenforceable or will be threatened by third parties. Any successful opposition to these patents or any other patents owned by or licensed to us after patent
issuance could deprive us of rights necessary for the successful commercialization of any products and services that we may offer. Further, if we encounter
delays in regulatory approvals, the period of time during which we could market a product or service under patent protection could be reduced.

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Patent policy and rule changes could increase the uncertainties and costs surrounding the prosecution of our patent applications and the enforcement
or defense of our issued patents.

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 laws of foreign countries may not protect our rights to the same extent as the laws of the United States.
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. We therefore cannot be certain that we or our licensors were
the first to make the invention claimed in our owned and licensed patents or pending 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, in the United States prior to March 15, 2013, the first to make the
claimed invention is entitled to the patent, while outside the United States, the first to file a patent application is entitled to the patent. After March 15,
2013, under the Leahy-Smith America Invents Act, or the Leahy-Smith Act, enacted on September 16, 2011, the United States has moved to a first to file
system. The Leahy-Smith Act also includes a number of significant changes that affect the way patent applications will be prosecuted and may also affect
patent  litigation.  The  effects  of  these  changes  are  currently  unclear  as  the  United  States  Patent  and  Trademark  Office,  or  USPTO,  must  still  implement
various regulations, the courts have yet to address any of these provisions and the applicability of the act and new regulations on specific patents discussed
herein have not been determined and would need to be reviewed. In general, 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 and financial condition.

If we are unable to maintain effective proprietary rights for our products or services, we may not be able to compete effectively in our markets.

In addition to the protection afforded by patents, we rely on trade secret protection and confidentiality agreements to protect proprietary know-how that is
not patentable or that we elect not to patent, processes for which patents are difficult to enforce and any other elements of our products and services that
involve  proprietary  know-how,  information  or  technology  that  is  not  covered  by  patents.  However,  trade  secrets  can  be  difficult  to  protect.  We  seek  to
protect our proprietary technology and processes, in part, by entering into confidentiality agreements with our employees, consultants, scientific advisors,
and contractors. We also seek to preserve the integrity and confidentiality of our data and trade secrets by maintaining physical security of our premises and
physical  and  electronic  security  of  our  information  technology  systems.  While  we  have  confidence  in  these  individuals,  organizations  and  systems,
agreements or security measures may be breached, and we may not have adequate remedies for any breach. In addition, our trade secrets may otherwise
become known or be independently discovered by competitors.

Although we expect all of our employees and consultants to assign their inventions to us, and all of our employees, consultants, advisors, and any third
parties  who  have  access  to  our  proprietary  know-how,  information,  or  technology  to  enter  into  confidentiality  agreements,  we  cannot  provide  any
assurances that all such agreements have been duly executed or that our trade secrets and other confidential proprietary information will not be disclosed or
that  competitors  will  not  otherwise  gain  access  to  our  trade  secrets  or  independently  develop  substantially  equivalent  information  and  techniques.
Misappropriation  or  unauthorized  disclosure  of  our  trade  secrets  could  impair  our  competitive  position  and  may  have  a  material  adverse  effect  on  our
business. Additionally, if the steps taken to maintain our trade secrets are deemed inadequate, we may have insufficient recourse against third parties for
misappropriating the trade secret.

Third-party claims of intellectual property infringement may prevent or delay our development and commercialization efforts.

Our commercial success depends in part on our avoiding infringement of the patents and proprietary rights of third parties. There have been many lawsuits
and  other  proceedings  involving  patent  and  other  intellectual  property  rights  in  the  biotechnology  and  pharmaceutical  industries,  including  patent
infringement lawsuits, interferences, oppositions, and reexamination proceedings before the USPTO and corresponding foreign patent offices. Numerous
U.S. and foreign issued patents and pending patent applications, which are owned by third parties, exist in the fields in which we are developing products
and services. As the biotechnology and pharmaceutical industries expand and more patents are issued, the risk increases that our products and services may
be subject to claims of infringement of the patent rights of third parties.

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Third parties may assert that we are employing their proprietary technology without authorization. There may be third-party patents or patent applications
with claims to materials, formulations, methods of manufacture, or methods for treatment related to the use or manufacture of our products and services.
We have conducted freedom to operate analyses with respect to only certain of our products and services, and therefore we do not know whether there are
any third-party patents that would impair our ability to commercialize these products and services. We also cannot guarantee that any of our analyses are
complete and thorough, nor can we be sure that we have identified each and every patent and pending application in the United States and abroad that is
relevant  or  necessary  to  the  commercialization  of  our  products  and  services.  Because  patent  applications  can  take  many  years  to  issue,  there  may  be
currently pending patent applications that may later result in issued patents that our products or services may infringe.

For example, in August 2016, we received a letter from MolecularMD Corp. offering a license to two U.S. Patents owned by the Memorial Sloan-Kettering
Cancer Center, and licensed to MolecularMD Corp., that are relevant to one of the biomarkers we detect in our Liquid Biopsy Non-Small Cell Lung Cancer
Profile  Target-Selector™  assay  and  our  Liquid  Biopsy  Lung  Cancer  Resistance  Profile  Target-Selector™  assay.  One  of  the  two  patents  is  expected  to
expire in 2026. The other patent is expected to expire in 2028. Although we believe that the claims of both patents relevant to our assays would likely be
held invalid, we cannot provide any assurances that a court or an administrative agency would agree with our assessment. If the validity of the relevant
claims  in  question  is  upheld  upon  a  validity  challenge,  then  we  may  be  liable  for  past  damages  and  would  need  a  license  in  order  to  continue
commercializing our Liquid Biopsy Non-Small Cell Lung Cancer Profile Target-Selector™ Assay and our Liquid Biopsy Lung Cancer Resistance Profile
Target-Selector™  Assay  in  the  United  States.  However,  such  a  license  may  not  be  available  on  commercially  reasonable  terms  or  at  all,  which  could
materially and adversely affect our business.

In addition, we are aware of a U.S. Patent owned by Amgen, Inc. that is relevant to one of the biomarkers we detect in our Liquid Biopsy Non-Small Cell
Lung  Cancer  Profile  Target-Selector™  assay  and  our  Liquid  Biopsy  Lung  Cancer  Resistance  Profile  Target-Selector™  assay.  The  patent  is  expected  to
expire in 2028. Although we believe that the claims of the patent relevant to our assays would likely be held invalid, we cannot provide any assurances that
a court or an administrative agency would agree with our assessment. If the validity of the relevant claims in question is upheld upon a validity challenge,
then we may be liable for past damages and would need a license in order to continue commercializing our Liquid Biopsy Non-Small Cell Lung Cancer
Profile  Target-Selector™  assay  and  our  Liquid  Biopsy  Lung  Cancer  Resistance  Profile  Target-Selector™  assay  in  the  United  States.  However,  such  a
license may not be available on commercially reasonable terms or at all, which could materially and adversely affect our business.

We  are  also  aware  of  a  U.S.  Patent  owned  by  Genentech,  Inc.  that  is  relevant  to  one  of  the  biomarkers  we  detect  in  our  Liquid  Biopsy  Lung  Cancer
Resistance Profile Target-Selector™ assay and our Liquid Biopsy Colon Cancer Profile Target-Selector™ assay. The patent is expected to expire in 2025.
Although we believe that the claims of the patent relevant to our assays would likely be held invalid, we cannot provide any assurances that a court or an
administrative agency would agree with our assessment. If the validity of the relevant claims in question is upheld upon a validity challenge, then we may
be  liable  for  past  damages  and  would  need  a  license  in  order  to  continue  commercializing  our  Liquid  Biopsy  Lung  Cancer  Resistance  Profile  Target-
Selector™ assay and our Liquid Biopsy Colon Cancer Profile Target-Selector™ assay in the United States. However, such a license may not be available
on commercially reasonable terms or at all, which could materially and adversely affect our business.

In addition, in July 2016, we received a communication from the Mayo Foundation for Medical Education and Research (“Mayo”) offering a license to a
U.S. Patent owned by Mayo that is relevant to an antibody that we use in our Liquid Biopsy Immuno-Oncology PD-L1 assay. The patent is expected to
expire in 2021. At present, we believe that we will need a license to this patent to continue commercializing our Liquid Biopsy Immuno-Oncology PD-L1
assay. We are currently in discussions with Mayo and believe a license can be obtained on commercially reasonable terms. However, if we are unable to
secure such a license, we may be liable for past damages, and our business could be materially and adversely affected.

In addition, third parties may obtain patents in the future and claim that use of our technologies infringes upon these patents. If any third-party patents were
held by a court of competent jurisdiction to cover aspects of our products or services, the holders of any such patents may be able to block our ability to
commercialize such products or services unless we obtained a license under the applicable patents, or until such patents expire or are finally determined to
be invalid or unenforceable. Such a license may not be available on commercially reasonable terms or at all.

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Parties  making  claims  against  us  may  obtain  injunctive  or  other  equitable  relief,  which  could  effectively  block  our  ability  to  further  develop  and
commercialize one or more of our products or services. Defense of these claims, regardless of their merit, would involve substantial litigation expense and
would be a substantial diversion of employee resources from our business. In the event of a successful claim of infringement against us, we may have to
pay substantial damages, including treble damages and attorneys’ fees for willful infringement, pay royalties, redesign our infringing products or obtain one
or more licenses from third parties, which may be impossible or require substantial time and monetary expenditure.

We may not be successful in obtaining or maintaining necessary rights to our products or services through acquisitions and in-licenses.

We  currently  have  rights  to  the  intellectual  property,  through  licenses  from  third  parties  and  under  patents  that  we  own,  to  develop  our  products  and
services. Because our programs may require the use of proprietary rights held by third parties, the growth of our business will likely depend in part on our
ability to acquire, in-license, 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 rights from third parties that we identify as necessary for our products or services. 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, cash resources, and greater clinical development and commercialization capabilities. 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.

We sometimes collaborate with U.S. and foreign institutions to accelerate our research or development under written agreements with these institutions.
Typically, these institutions provide us with an option to negotiate a license to any of the institution’s rights in technology resulting from the collaboration.
Regardless of such option, we may be unable to negotiate a license within the specified timeframe 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 program.

If we are unable to successfully obtain rights to required third-party intellectual property rights or maintain the existing intellectual property rights we have,
we may have to abandon development of that program and our business and financial condition could suffer.

Although we are not currently involved in any litigation, we may be involved in lawsuits to protect or enforce our patents or the patents of our licensors,
which could be expensive, time consuming, and unsuccessful.

Competitors may infringe our patents or the patents of our licensors. Although we are not currently involved in any litigation, if we or one of our licensing
partners  were  to  initiate  legal  proceedings  against  a  third-party  to  enforce  a  patent  covering  one  of  our  products  or  services,  the  defendant  could
counterclaim  that  the  patent  covering  our  product  or  service  is  invalid  and/or  unenforceable.  In  patent  litigation  in  the  United  States,  defendant
counterclaims  alleging  invalidity  and/or  unenforceability  are  commonplace.  Grounds  for  a  validity  challenge  could  be  an  alleged  failure  to  meet  any  of
several statutory requirements, including lack of novelty, obviousness, or non-enablement. Grounds for an unenforceability assertion could be an allegation
that  someone  connected  with  prosecution  of  the  patent  withheld  relevant  information  from  the  USPTO,  or  made  a  misleading  statement,  during
prosecution. The outcome following legal assertions of invalidity and unenforceability is unpredictable.

Interference proceedings provoked by third parties or brought by us or declared by the USPTO may be necessary to determine the priority of inventions
with respect to our patents or patent applications or those of our licensors. An unfavorable outcome could require us to cease using the related technology
or  to  attempt  to  license  rights  to  it  from  the  prevailing  party.  Our  business  could  be  harmed  if  the  prevailing  party  does  not  offer  us  a  license  on
commercially reasonable terms. Our defense of litigation or interference proceedings may fail and, even if successful, may result in substantial costs and
distract our management and other employees. In addition, the uncertainties associated with litigation could have a material adverse effect on our ability to
raise  sufficient  capital  to  continue  our  research  programs,  license  necessary  technology  from  third  parties,  or  enter  into  development  partnerships  that
would help commercialize our products or services.

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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.  There  could  also  be  public  announcements  of  the  results  of
hearings, motions, or other interim proceedings or developments. If securities analysts or investors perceive these results to be negative, it could have a
material adverse effect on the price of our common stock.

We may be subject to claims that our employees, consultants, or independent contractors have wrongfully used or disclosed confidential information of
third parties or that our employees have wrongfully used or disclosed alleged trade secrets of their former employers.

We  employ  certain  individuals  who  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, consultants, and independent contractors do not use the proprietary
information or know-how of others in their work for us, and we are not currently subject to any claims that our employees, consultants, or independent
contractors have wrongfully used or disclosed confidential information of third parties, we may in the future be subject to such claims. 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, which could adversely impact our business. Even if we are successful in defending against such claims, litigation
could result in substantial costs and be a distraction to management and other employees.

We may be subject to claims challenging the inventorship of our patents and other intellectual property.

Although we are not currently experiencing any claims challenging the inventorship of our patents or ownership of our intellectual property, we may in the
future be subject to claims that former employees, collaborators or other third parties have an interest in our patents or other intellectual property as an
inventor or co-inventor. For example, we may have inventorship disputes arise from conflicting obligations of consultants or others who are involved in
developing our products or services. Litigation may be necessary to defend against these and other claims challenging inventorship. If we fail in defending
any such claims, in addition to paying monetary damages, we may lose valuable intellectual property rights, such as exclusive ownership of, or right to use,
valuable intellectual property. Such an outcome could have a material adverse effect on our business. Even if we are successful in defending against such
claims, litigation could result in substantial costs and be a distraction to management and other employees.

Changes in U.S. patent law could diminish the value of patents in general, thereby impairing our ability to protect our products.

As  is  the  case  with  other  biopharmaceutical  companies,  our  success  is  heavily  dependent  on  intellectual  property,  particularly  patents.  Obtaining  and
enforcing patents in the biotechnology industry involves both technological and legal complexity. Therefore, obtaining and enforcing biotechnology patents
is costly, time consuming, and inherently uncertain. In addition, the United States has recently enacted and is currently implementing wide-ranging patent
reform legislation. 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. In addition to increasing uncertainty with regard to our ability to obtain patents in the future, this combination
of events has created uncertainty with respect to the value of 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 would weaken our ability to obtain new patents or to
enforce our existing patents and patents that we might obtain in the future.

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

Filing,  prosecuting,  and  defending  patents  on  products  and  services  in  all  countries  throughout  the  world  would  be  prohibitively  expensive,  and  our
intellectual property rights in some countries outside the United States can be less extensive than those in the United States. In addition, the laws of some
foreign countries do not protect intellectual property rights to the same extent as federal and state laws in the United States. Consequently, we may not be
able to prevent third parties from practicing our inventions in all countries outside the United States, or from selling or importing products made using our
inventions in and into the United States or other jurisdictions. Competitors may use our technologies in jurisdictions where we have not obtained patent
protection to develop their own products and may also export infringing products to territories

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where we have patent protection, but enforcement is not as strong as that in the United States. These products may compete with our products and our
patents or other intellectual property rights may not be effective or sufficient to prevent them from competing.

Many companies have encountered significant problems in protecting and defending intellectual property rights in foreign jurisdictions. 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 or marketing of
competing  products  in  violation  of  our  proprietary  rights  generally.  Proceedings  to  enforce  our  patent  rights  in  foreign  jurisdictions,  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.

Our collaborators may assert ownership or commercial rights to inventions we develop from our use of the biological materials which they provide to
us, or otherwise arising from the collaboration.

We  collaborate  with  several  institutions,  physicians  and  researchers  in  scientific  matters.  We  do  not  have  written  agreements  with  certain  of  such
collaborators, or the written agreements we have do not cover intellectual property rights. Also, we rely on numerous third parties to provide us with blood
samples  and  biological  materials  that  we  use  to  develop  assays.  If  we  cannot  successfully  negotiate  sufficient  ownership  and  commercial  rights  to  any
inventions that result from our use of a third-party collaborator’s materials, or if disputes arise with respect to the intellectual property developed with the
use of a collaborator’s samples, or data developed in a collaborator’s study, we may be limited in our ability to capitalize on the market potential of these
inventions or developments.

Risks Relating to Our Common Stock

The price of our common stock may be volatile.

Before our initial public offering, there was no public market for our common stock. Market prices for securities of early-stage life sciences companies
have historically been particularly volatile. The factors that may cause the market price of our common stock to fluctuate include, but are not limited to:

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progress, or lack of progress, in performing, developing and commercializing our current assays and our planned future assays;

favorable or unfavorable decisions about our assays from government regulators, insurance companies or other third-party payers;

our ability to recruit and retain qualified research and development personnel;

changes in investors’ and securities analysts’ perception of the business risks and conditions of our business;

changes in our relationship with key collaborators;

changes in the market valuation or earnings of our competitors or companies viewed as similar to us;

changes in key personnel;

depth of the trading market in our common stock;

changes in our capital structure, such as future issuances of securities or the incurrence of additional debt;

the granting or exercise of employee stock options or other equity awards;

realization of any of the risks described herein; and

general market and economic conditions.

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In addition, the equity markets have experienced significant price and volume fluctuations that have affected the market prices for the securities of newly
public  companies  for  a  number  of  reasons,  including  reasons  that  may  be  unrelated  to  our  business  or  operating  performance.  These  broad  market
fluctuations  may  result  in  a  material  decline  in  the  market  price  of  our  common  stock  and  you  may  not  be  able  to  sell  your  shares  at  prices  you  deem
acceptable. In the past, following periods of volatility in the equity markets, securities class action lawsuits have been instituted against public companies.
Such litigation, if instituted against us, could result in substantial cost and the diversion of management attention.

Our failure to meet the continued listing requirements of The Nasdaq Capital Market could result in a de-listing of our common stock.

If we fail to satisfy the continued listing requirements of The Nasdaq Capital Market, such as the corporate governance requirements, the minimum closing
bid price requirement, or the minimum stockholders’ equity requirement, Nasdaq may take steps to de-list our common stock. For example, in May 2016,
we received a letter from Nasdaq indicating that we are not in compliance with the minimum stockholders’ equity requirement of Nasdaq Listing Rule
5550(b)(1), and in each of June 2016, November 2016, January 2018 and September 2019, we received letters from Nasdaq indicating that we are not in
compliance  with  the  minimum  bid  price  requirement  of  Nasdaq  Listing  Rule  5550(a)(2),  which  requires  that  companies  listed  on  The  Nasdaq  Capital
Market maintain a minimum closing bid price of at least $1.00 per share. Although we were able to regain compliance with the Nasdaq continued listing
requirements  discussed  in  the  May  2016,  June  2016,  November  2016  and  January  2018  letter,  we  have  not  yet  regained  compliance  with  the  $1.00
minimum  closing  bid  price  requirement  that  was  the  subject  of  the  September  2019  letter  from  Nasdaq.  In  March  2020,  we  requested  and  received  an
additional 180-day extension to regain compliance with the $1.00 minimum closing bid price requirement that was the subject of the September 2019 letter
from Nasdaq. We intend to monitor the closing bid price of our common stock and may, if appropriate, consider implementing available options, including
a reverse stock split, to regain compliance with the minimum closing bid price requirement. We currently plan to seek stockholder approval of a reverse
stock  split  at  our  2020  annual  meeting  of  stockholders.  There  can  be  no  assurance  that  we  will  be  able  to  regain  compliance  with  the  $1.00  minimum
closing  bid  price  requirement  or  maintain  compliance  with  the  other  continued  listing  requirements  of  the  Nasdaq  Capital  Market.  If  we  fail  to  regain
and/or maintain compliance with Nasdaq’s continued listing requirements, Nasdaq may take steps to de-list our common stock. Such a de-listing would
likely have a negative effect on the price of our common stock and would impair your ability to sell or purchase our common stock when you wish to do so.
In the event of a de-listing, we would take actions to restore our compliance with Nasdaq’s listing requirements, but we can provide no assurance that any
such action taken by us would allow our common stock to become listed again, stabilize the market price or improve the liquidity of our common stock, or
prevent future non-compliance with Nasdaq’s listing requirements.

Our quarterly operating results may fluctuate significantly.

We  expect  our  operating  results  to  be  subject  to  quarterly  fluctuations.  Our  net  loss  and  other  operating  results  will  be  affected  by  numerous  factors,
including:

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the rate of adoption and/or continued use of our current assays and our planned future assays by healthcare practitioners;

variations in the level of expenses related to our development programs;

addition or reduction of resources for sales and marketing;

addition or termination of clinical utility studies;

any intellectual property infringement lawsuit in which we may become involved;

third-party payer coverage and reimbursement determinations affecting our assays; and

regulatory developments affecting our assays.

If our quarterly operating results fall below the expectations of investors or securities analysts, the price of our common stock could decline substantially.
Furthermore, any quarterly fluctuations in our operating results may, in turn, cause the price of our stock to fluctuate substantially.

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If securities or industry analysts issue an adverse opinion regarding our stock or do not publish research or reports about our company, our stock price
and trading volume could decline.

The trading market for our common stock will depend in part on the research and reports that equity research analysts publish about us, our business and
our competitors. We do not control these analysts or the content and opinions or financial models included in their reports. Securities analysts may elect not
to provide research coverage of our company, and such lack of research coverage may adversely affect the market price of our common stock. The price of
our common stock could also decline if one or more equity research analysts downgrade our common stock or if those analysts issue other unfavorable
commentary or cease publishing reports about us or our business. If one or more equity research analysts cease coverage of our company, we could lose
visibility in the market, which in turn could cause our stock price to decline.

Future sales of our common stock or other securities, or the perception that future sales may occur, may cause the market price of our common stock
to decline, even if our business is doing well.

Sales of substantial amounts of our common stock or other securities, or the perception that these sales may occur, could materially and adversely affect the
price of our common stock and could impair our ability to raise capital through the sale of additional equity securities. For example, in May 2018, the SEC
declared  effective  a  shelf  registration  statement  filed  by  us.  This  shelf  registration  statement  allows  us  to  issue  any  combination  of  our  common  stock,
preferred stock, debt securities and warrants from time to time for an aggregate initial offering price of up to $50 million, subject to certain limitations for
so long as our public float is less than $75 million. The specific terms of additional future offerings, if any, under this shelf registration statement would be
established at the time of such offerings. Depending on a variety of factors, including market liquidity of our common stock, the sale of shares under this
shelf registration statement may cause the trading price of our common stock to decline. The sale of a substantial number of shares of our common stock
under this shelf registration statement, or anticipation of such sales, could cause the trading price of our common stock to decline or make it more difficult
for us to sell equity or equity-related securities in the future at a time and at a price that we might otherwise desire.

We had outstanding 108,707,392 shares of common stock as of March 20, 2020, of which no more than 31,415 are restricted securities that may be sold
only in accordance with the resale restrictions under Rule 144 of the Securities Act. In addition, as of March 20, 2020, we had outstanding preferred stock
convertible  into  471,493  shares  of  our  common  stock,  options  to  purchase  2,510,989  shares  of  our  common  stock,  360  shares  of  common  stock  were
issuable upon the settlement of outstanding restricted stock units, or RSUs, and 15,296,249 shares of our common stock were issuable upon the exercise of
outstanding warrants. Shares issued upon the exercise of stock options or upon the settlement of outstanding RSUs generally will be eligible for sale in the
public market, except that affiliates will continue to be subject to volume limitations and other requirements of Rule 144 under the Securities Act. The
issuance or sale of such shares could depress the market price of our common stock.

In the future, we also may issue our securities if we need to raise additional capital. The number of new shares of our common stock issued in connection
with raising additional capital could constitute a material portion of the then-outstanding shares of our common stock.

If we are unable to favorably assess the effectiveness of our internal control over financial reporting, investors may lose confidence in our financial
reporting and our stock price could be materially adversely affected.

Effective internal controls over financial reporting are necessary for us to provide reliable financial reports and, together with adequate disclosure controls
and  procedures,  are  designed  to  prevent  fraud.  Any  failure  to  implement  required  new  or  improved  controls,  or  difficulties  encountered  in  their
implementation could cause us to fail to meet our reporting obligations. In addition, any testing by us conducted in connection with Section 404(a) of the
Sarbanes-Oxley Act, or the subsequent testing by our independent registered public accounting firm conducted in connection with Section 404(b) of the
Sarbanes-Oxley Act after we no longer qualify as a “smaller reporting company,” with less than $100 million in annual revenues, may reveal deficiencies
in our internal controls over financial reporting that are deemed to be material weaknesses or that may require prospective or retroactive changes to our
consolidated financial statements or identify other areas for further attention or improvement. Inferior internal controls could also cause investors to lose
confidence in our reported financial information, which could have a negative effect on the trading price of our common stock.

We are required to disclose changes made in our internal control procedures on a quarterly basis and our management is required to assess the effectiveness
of these controls annually. However, for as long as we are a “smaller reporting company” with less than $100 million in annual revenues, our independent
registered public accounting firm will not be required to

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attest to the effectiveness of our internal control over financial reporting pursuant to Section 404. An independent assessment of the effectiveness of our
internal controls could detect problems that our management’s assessment might not. Undetected material weaknesses in our internal controls could lead to
financial statement restatements and require us to incur the expense of remediation.

We have incurred and will continue to incur significant costs as a result of operating as a public company, and our management will be required to
devote substantial time to new compliance initiatives.

As  a  public  company,  we  are  subject  to  the  reporting  requirements  of  the  Securities  Exchange  Act  of  1934,  as  amended,  the  Dodd-Frank  Wall  Street
Reform and Consumer Protection Act, or the Dodd-Frank Act, the listing requirements of The Nasdaq Stock Market and other applicable securities rules
and  regulations.  Compliance  with  these  rules  and  regulations  includes  significant  legal  and  financial  compliance  costs,  makes  some  activities  more
difficult, time-consuming or costly, and increases demand on our systems and resources. The Sarbanes-Oxley Act requires, among other things, that we
maintain  effective  disclosure  controls  and  procedures  and  internal  control  over  financial  reporting.  In  order  to  maintain  and,  if  required,  improve  our
disclosure controls and procedures and internal control over financial reporting to meet this standard, significant resources and management oversight may
be  required.  As  a  result,  management’s  attention  may  be  diverted  from  other  business  concerns,  which  could  harm  our  business  and  operating  results.
Stockholder activism, the current political environment and the current high level of government intervention and regulatory reform may lead to substantial
new regulations and disclosure obligations, which may lead to additional compliance costs and impact the manner in which we operate our business in
ways we cannot currently anticipate.

In addition, changing laws, regulations and standards relating to corporate governance and public disclosure are creating uncertainty for public companies,
increasing  legal  and  financial  compliance  costs  and  making  some  activities  more  time  consuming.  These  laws,  regulations  and  standards  are  subject  to
varying interpretations, in many cases due to their lack of specificity, and, as a result, their application in practice may evolve over time as new guidance is
provided by regulatory and governing bodies. This could result in continuing uncertainty regarding compliance matters and higher costs necessitated by
ongoing revisions to disclosure and governance practices. We intend to invest resources to comply with evolving laws, regulations and standards, and this
investment  may  result  in  increased  general  and  administrative  expenses  and  a  diversion  of  management’s  time  and  attention  from  revenue-generating
activities to compliance activities. If our efforts to comply with new laws, regulations and standards differ from the activities intended by regulatory or
governing bodies due to ambiguities related to practice, regulatory authorities may initiate legal proceedings against us and our business may be harmed.

Anti-takeover provisions of our certificate of incorporation, our bylaws and Delaware law could make an acquisition of us, which may be beneficial to
our  stockholders,  more  difficult  and  may  prevent  attempts  by  our  stockholders  to  replace  or  remove  the  current  members  of  our  board  and
management.

Certain provisions of our amended certificate of incorporation and amended and restated bylaws could discourage, delay or prevent a merger, acquisition or
other change of control that stockholders may consider favorable, including transactions in which you might otherwise receive a premium for your shares.
Furthermore,  these  provisions  could  prevent  or  frustrate  attempts  by  our  stockholders  to  replace  or  remove  members  of  our  Board  of  Directors.  (For
example, Delaware law provides that if a corporation has a classified board of directors, stockholders cannot remove any director during his or her term
without cause.) These provisions also could limit the price that investors might be willing to pay in the future for our common stock, thereby depressing the
market price of our common stock. Stockholders who wish to participate in these transactions may not have the opportunity to do so. These provisions,
among other things:

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classify our Board of Directors into three classes of equal (or roughly equal) size, with all directors serving for a three-year term and the directors of
only one class being elected at each annual meeting of stockholders, so that the terms of the classes of directors are “staggered”;

allow the authorized number of directors to be changed only by resolution of our Board of Directors;

authorize our Board of Directors to issue, without stockholder approval, preferred stock, the rights of which will be determined at the discretion of
the Board of Directors and that, if issued, could operate as a “poison pill” to dilute the stock ownership of a potential hostile acquirer to prevent an
acquisition that our Board of Directors does not approve;

establish advance notice requirements for stockholder nominations to our Board of Directors or for stockholder proposals that can be acted on at
stockholder meetings; and

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•

limit who may call a stockholders meeting.

In addition, we are governed by the provisions of Section 203 of the Delaware General Corporation Law, or DGCL, which may, unless certain criteria are
met, prohibit large stockholders, in particular those owning 15% or more of the voting rights on our common stock, from merging or combining with us for
a prescribed period of time.

Because we do not expect to pay cash dividends for the foreseeable future, you must rely on appreciation of our common stock price for any return on
your investment. Even if we change that policy, we may be restricted from paying dividends on our common stock.

We do not intend to pay cash dividends on shares of our common stock for the foreseeable future. Any determination to pay dividends in the future will be
at the discretion of our Board of Directors and will depend upon results of operations, financial performance, contractual restrictions, restrictions imposed
by applicable law and other factors our Board of Directors deems relevant. Accordingly, you will have to rely on capital appreciation, if any, to earn a
return on your investment in our common stock. Investors seeking cash dividends in the foreseeable future should not purchase our common stock.

Changes in tax laws or regulations that are applied adversely to us or our customers may have a material adverse effect on our business, cash flow,
financial condition or results of operations.

New income, sales, use or other tax laws, statutes, rules, regulations or ordinances could be enacted at any time, which could adversely affect our business
operations  and  financial  performance.  Further,  existing  tax  laws,  statutes,  rules,  regulations  or  ordinances  could  be  interpreted,  changed,  modified  or
applied adversely to us. For example, the Tax Cuts and Jobs Act of 2017, or the Tax Act, enacted many significant changes to the U.S. tax laws. Future
guidance from the Internal Revenue Service and other tax authorities with respect to the Tax Act may affect us, and certain aspects of the Tax Act could be
repealed or modified in future legislation. In addition, it is uncertain if and to what extent various states will conform to the Tax Act or any newly enacted
federal tax legislation. Changes in corporate tax rates, the realization of net deferred tax assets relating to our operations, the taxation of foreign earnings,
and the deductibility of expenses under the Tax Act or future reform legislation could have a material impact on the value of our deferred tax assets, could
result in significant one-time charges, and could increase our future U.S. tax expense.

Our effective tax rate may fluctuate, and we may incur obligations in tax jurisdictions in excess of accrued amounts.

We are subject to taxation in numerous U.S. states and territories. As a result, our effective tax rate is derived from a combination of applicable tax rates in
the various places that we operate. In preparing our financial statements, we estimate the amount of tax that will become payable in each of such places.
Nevertheless, our effective tax rate may be different than experienced in the past due to numerous factors, including passage of the newly enacted federal
income  tax  law,  the  results  of  examinations  and  audits  of  our  tax  filings,  our  inability  to  secure  or  sustain  acceptable  agreements  with  tax  authorities,
changes  in  accounting  for  income  taxes  and  changes  in  tax  laws.  Any  of  these  factors  could  cause  us  to  experience  an  effective  tax  rate  significantly
different from previous periods or our current expectations and may result in tax obligations in excess of amounts accrued in our financial statements.

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

Our ability to utilize our estimated federal net operating loss, carryforwards and federal tax credits may be limited under Sections 382 and 383 of the Code.
Under the Tax Cuts and Jobs Act of 2017, federal net operating losses incurred in 2018 and in future years may be carried forward indefinitely, but the
deductibility of such federal net operating losses is limited. It is uncertain if and to what extent various states will conform to the Tax Cuts and Jobs Act of
2017. In addition, under Sections 382 and 383 of the Code, if a corporation undergoes an “ownership change,” generally defined as a cumulative change in
its equity ownership by “5-percent shareholders” of greater than 50 percentage points (by value) over a three-year period, the corporation’s ability to use its
estimated pre-change net operating loss carryforwards and certain other tax attributes (such as research tax credits) to offset its post-change taxable income
and taxes, as applicable, may be limited. As of December 31, 2019, we had estimated federal and state net operating loss carryforwards of approximately
$54.9 million and $13.9 million, respectively, and estimated federal and California research and development tax credits of approximately $366,000 and
$3.7 million, respectively, which could be limited if we have experienced or do experience any “ownership changes.” We have not completed a study to
assess whether an ownership change has occurred or whether there have been

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multiple ownership changes since our formation, due to the complexity and cost associated with such a study, and the fact that there may be additional
ownership changes in the future. We believe, however, that ownership changes likely occurred in each year from 2015 through 2019. In addition, at the
state level, there may be periods during which the use of net operating loss carryforwards is suspended or otherwise limited, which could accelerate or
permanently increase state taxes owed. We have estimated that the use of our net operating loss is limited and the amounts above remain fully offset by a
valuation allowance.

We could be subject to securities class action litigation.

In the past, securities class action litigation has often been brought against a company following a decline in the market price of its securities. This risk is
especially relevant for us because early-stage life sciences companies have experienced significant stock price volatility in recent years. If we face such
litigation, it could result in substantial costs and a diversion of management’s attention and resources, which could harm our business.

Item 1B. Unresolved Staff Comments.

Not applicable.

Item 2. Properties.

We  have  a  lease  for  approximately  48,000  square  feet  of  space  in  San  Diego,  California  for  use  as  a  clinical  reference  laboratory  and  corporate
headquarters,  including  manufacturing  and  research  laboratories.  As  of  December  31,  2019,  the  average  rent  for  the  remaining  lease  period  is
approximately $120,000 per month. This lease expires in July 2020.

Item 3. Legal Proceedings.

In the normal course of business, we may be involved in legal proceedings or threatened legal proceedings. We are not party to any legal proceedings or
aware of any threatened legal proceedings which are expected to have a material adverse effect on our financial condition, results of operations or liquidity.

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 traded on The Nasdaq Capital Market under the symbol “BIOC.”

Holders of Record

As of March 20, 2020, there were 51 holders of record of our common stock. The actual number of common stockholders is greater than the number of
record holders, and includes stockholders who are beneficial owners, but whose shares are held in street name by brokers and other nominees. This number
of holders of record also does not include stockholders whose shares may be held in trust by other entities.

Dividend Policy

We have never declared dividends on our equity securities, and currently do not plan to declare dividends on shares of our common stock in the foreseeable
future. We expect to retain our future earnings, if any, for use in the operation and expansion of our business. Subject to the foregoing, the payment of cash
dividends in the future, if any, will be at the discretion of our Board of Directors and will depend upon such factors as earnings levels, capital requirements,
our overall financial condition and any other factors deemed relevant by our Board of Directors. Additionally, any payment of a dividend would require the
prior approval of our lender.

Securities Authorized for Issuance under Equity Compensation Plans

Information about our equity compensation plans is incorporated herein by reference to Part III, Item 12 of this Annual Report.

Item 6. Selected Financial Data.

Not applicable.

66

 
 
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

The  following  discussion  of  our  financial  condition  and  results  of  operations  should  be  read  together  with  our  financial  statements  and  related  notes
included  elsewhere  in  the  Annual  Report.  This  discussion  contains  forward-looking  statements  based  upon  our  current  plans,  estimates,  beliefs  and
expectations  that  involve  risks,  uncertainties  and  assumptions.  Our  actual  results  may  differ  materially  from  those  anticipated  in  these  forward-looking
statements as a result of various factors, including those set forth under the sections entitled “Risk Factors,” “Special Note Regarding Forward-Looking
Statements” and elsewhere in this Annual Report.

We  are  an  early  stage  molecular  oncology  diagnostics  company  that  develops  and  commercializes  proprietary  circulating  tumor  cell,  or  CTC,  and
circulating tumor DNA, or ctDNA, assays utilizing a standard blood sample, or “liquid biopsy.” Our current and planned assays are intended to provide
information  to  aid  healthcare  providers  to  identify  specific  oncogenic  alterations  that  may  qualify  a  subset  of  cancer  patients  for  targeted  therapy  at
diagnosis,  show  progression  or  be  used  for  monitoring  in  order  to  identify  specific  resistance  mechanisms.  Sometimes  traditional  procedures,  such  as
surgical  tissue  biopsies,  result  in  tumor  tissue  that  is  insufficient  and/or  unable  to  provide  the  molecular  subtype  information  necessary  for  clinical
decisions. Our assays, performed on blood, have the potential to provide more contemporaneous information on the characteristics of a patient’s disease
when compared with tissue biopsy and radiographic imaging.

Our current assays and our planned future assays focus on key solid tumor indications utilizing our Target-SelectorTM liquid biopsy technology platform for
the biomarker analysis of CTCs and ctDNA from a standard blood sample. Our patented Target-Selector CTC offering is based on an internally developed
microfluidics-based cell capture and analysis platform, with enabling features that change how information provided by CTC testing is used by clinicians.
Our CTC technology also could be validated on cerebral spinal fluid in order to provide information for patients with central nervous system tumors both
primary and metastatic. Our patented Target-Selector ctDNA technology enables detection of mutations and genome alterations with enhanced sensitivity
and specificity, and is applicable to nucleic acid from ctDNA, could potentially be validated for interrogating other sample types such as bone marrow,
tissue (surgical resections and/or biopsies) or cerebrospinal fluid. Our Target-Selector CTC and ctDNA platforms provide both biomarker detection as well
as monitoring capabilities and require only a patient blood sample. In January 2019, we began offering Research Use Only, or RUO, liquid biopsy kits
containing our ctDNA Target Selector ctDNA technology to laboratories worldwide.

At  our  corporate  headquarters  facility  located  in  San  Diego,  California,  we  operate  a  clinical  laboratory  that  is  certified  under  the  Clinical  Laboratory
Improvement  Amendments  of  1988,  or  CLIA,  and  accredited  by  the  College  of  American  Pathologists,  or  CAP.  We  also  performed  the  research  and
development that led to our current assays and continue to perform research and development for our planned assays, at this same facility. In addition, we
currently  manufacture  our  microfluidic  channels  and  various  chemistries  utilized  in  our  testing  process,  however,  we  have  identified  and  have  been
working with a manufacturer to outsource certain manufacturing activities in the near term to reduce costs and improve efficiency. The assays we offer and
intend to offer are classified as laboratory developed tests, or LDTs, under CLIA regulations. CLIA certification is required before any clinical laboratory,
including ours, may perform testing on human specimens for the purpose of obtaining information for the diagnosis, prevention, or treatment of disease or
the assessment of health. In addition, we participate in and have received CAP accreditation, which includes rigorous bi-annual laboratory inspections and
requires adherence to specific quality standards.

Key Factors Affecting our Results of Operations and Financial Condition

Our overall long-term growth plan depends on our ability to continue to develop and commercialize products and assays through our CLIA-certified, CAP-
accredited,  and  state-licensed  laboratory.  We  have  commercialized  our  Target-Selector  assays  for  breast  cancer,  non-small  cell  lung  cancer,  or  NSCLC,
gastric cancer, colorectal cancer, prostate cancer, pancreaticobiliary cancer, and ovarian cancer, and plan to continue to launch a series of cancer diagnostic
assays for different predictive biomarkers assays in the United States as LDTs performed in our laboratory, and enhance revenue for these products through
the efforts of our sales and marketing organization. Our sales strategy is to engage medical oncologists, surgical oncologists, urologists, pulmonologists,
pathologists and other physicians in the United States at private and group practices, hospitals and cancer centers. We also plan to continue to evaluate
potential opportunities for the commercialization of our products and assays in other countries. Additionally, sales of our proprietary blood collection tubes,
or BCTs, which allow for the intact transport of liquid biopsy samples for research use only, or RUO, from regions around the world, commenced during
2018.  In  addition  to  testing  for  physicians  and  their  patients,  we  offer  clinical  trials  testing  and  research  services  to  help  increase  the  efficiency  and
economic viability of clinical trials for pharmaceutical and biopharmaceutical

67

companies and clinical research organizations both within and outside of the United States. We are currently exploring the possibility of introducing ctDNA
technology  outside  the  United  States  as  part  of  IVD  test  kits  and/or  testing  systems  utilizing  our  Target-Selector  technologies.  We  plan  to  continue  to
cooperate with partners on accessing markets internationally either through partnerships with local groups and distributors or through the development of
IVDs  and/or  test  systems,  including  instrumentation.  We  also  have  a  research  and  development  program  focused  on  technology  enhancements,  novel
platform development, and evaluating clinical applications for our cancer diagnostic tests in different cancer types and clinical settings.

To  facilitate  market  adoption  of  our  products  and  assays,  we  anticipate  having  to  successfully  complete  additional  clinical  utility  studies  with  clinical
samples to generate clinical utility data and then publish our results in peer-reviewed scientific journals. Our ability to complete such clinical studies is
dependent upon our ability to leverage our collaborative relationships with leading institutions to facilitate our research, to conduct the appropriate clinical
studies and to obtain favorable clinical data. We collaborate with physicians and researchers at Sarah Cannon Research Institute, University of Colorado,
the University of California, San Diego, the John Wayne Cancer Institute, Columbia University, Johns Hopkins Medical Institute, Vanderbilt University,
University  of  Texas  Southwestern  Medical  Center,  and  Georgetown  University  and  plan  to  expand  our  collaborative  relationships  to  include  other  key
thought leaders at other institutions for the cancer types we target with our Target-Selector commercialized assays and our planned future assays, as well as
for our current and planned future products. Such relationships help us develop and validate the effectiveness and utility of our products, commercialized
assays and our planned future assays in specific, clinical settings and provide us access to patient samples and data.

We  believe  that  the  factors  discussed  in  the  following  paragraphs  have  had  and  are  expected  to  continue  to  have  a  material  impact  on  our  results  of
operations and financial condition.

Revenues

Our revenues are generated from diagnostic services provided to physicians and billed to third-party insurance payers such as managed care organizations,
Medicare  and  Medicaid  and  patients  for  any  deductibles,  coinsurance  or  copayments  that  may  be  due.  Commencing  on  January  1,  2018,  we  recognize
revenue  in  accordance  with  Accounting  Standards  Codification,  or  ASC,  Revenue  from  Contracts  with  Customers,  or  ASC  606,  which  requires  that  an
entity recognize revenue when it transfers promised goods or services to customers in an amount that reflects the consideration to which the entity expects
to be entitled to in exchange for those goods or services.

We bill third-party payers on a fee-for-service basis at our list price and third-party commercial revenue is recorded net of contractual discounts, payer-
specific allowances and other reserves. Our development services revenues are supported by contractual agreements and generated from assay development
services provided to entities, as well as certain other diagnostic services provided to physicians. Diagnostic services are completed upon the delivery of
assay results to the prescribing physician, at which time we bill for the service.

Our gross commercial revenues billed are subject to estimated deductions for such contractual discounts, payer-specific allowances and other reserves to
arrive  at  reported  net  revenues,  which  relate  to  differences  between  amounts  billed  and  corresponding  amounts  estimated  to  be  subsequently  collected.
These third-party payer discounts and sales allowances are estimated based on a number of assumptions and factors, including historical payment trends,
seasonality associated with the annual reset of patient deductible limits on January 1 of each year, and current and estimated future payments. The estimates
of  amounts  that  will  ultimately  be  realized  from  commercial  diagnostic  services  require  significant  judgment  by  us.  Patients  do  not  enter  into  direct
agreements with us that commit them to pay any portion of the cost of the tests in the event that they have not met their annual deductible limit under their
insurance policy, if any, or if their insurance otherwise declines to reimburse us. Adjustments to the estimated payment amounts are recorded at the time of
final collection and settlement of each transaction as an adjustment to commercial revenue.

Costs and Expenses

We classify our costs and expenses into four categories: cost of revenues, research and development, sales and marketing, and general and administrative.
Our costs and expenses principally consist of facility costs and overhead, personnel costs, outside services and consulting costs, laboratory consumables,
development costs, and legal fees.

68

Cost of Revenues. Our cost of revenues consists principally of facility costs and overhead, personnel costs, and laboratory and manufacturing supplies and
materials. We are pursuing various strategies to reduce and control our cost of revenues, including automating aspects of our processes, developing more
efficient technology and methods, attempting to negotiate improved terms and volume discounts with our suppliers and exploring relocating our operations
to a lower-cost facility.

Research and Development Expenses. We incur research and development expenses principally in connection with our efforts to develop and improve our
tests. Our primary research and development expenses consist of direct personnel costs, laboratory equipment and consumables, and overhead expenses.
We anticipate that research and development expenses will remain consistent in the near-term, principally to develop and validate tests in our pipeline and
to perform work associated with clinical utility studies and development collaborations. In addition, we expect that our costs related to collaborations with
research and academic institutions will increase. All research and development expenses are charged to operations in the periods in which they are incurred.

Sales and Marketing Expenses. Our sales and marketing expenses consist principally of personnel and related overhead costs for our sales team and their
support personnel, travel and entertainment expenses, and other selling costs including sales collaterals and trade shows. We anticipate sales and marketing
expenses to increase as we work on generating higher revenues and marketing additional offerings.

General and Administrative Expenses.  General  and  administrative  expenses  consist  principally  of  personnel-related  expenses,  professional  fees,  such  as
legal,  accounting  and  business  consultants,  insurance  costs,  and  other  general  expenses.  We  expect  that  our  general  and  administrative  expenses  will
increase  as  we  expand  our  business  operations.  We  further  expect  that  general  and  administrative  expenses  will  increase  due  to  increased  information
technology, legal, insurance, accounting and financial reporting expenses associated with expanded commercial activities.

Critical Accounting Policies and Significant Judgments and Estimates

Our management’s discussion and analysis of financial condition and results of operations is based on our financial statements, which have been prepared
in accordance with accounting principles generally accepted in the United States of America. The preparation of our financial statements requires us to
make estimates and judgments that affect the reported amounts of assets, liabilities, revenue and expenses and related disclosure of contingent assets and
liabilities. On an ongoing basis, we evaluate our estimates based on historical experience and make various assumptions, which management believes to be
reasonable under the circumstances, which form the basis for judgments about the carrying values of assets and liabilities that are not readily apparent from
other sources. Actual results may differ from these estimates under different assumptions or conditions.

The  notes  to  our  audited  financial  statements,  which  are  included  elsewhere  in  this  Annual  Report,  contain  a  summary  of  our  significant  accounting
policies. We consider the following accounting policies critical to the understanding of the results of our operations:

•

•

•

Revenue recognition;

stock-based compensation; and

going concern.

Revenue Recognition and Related Reserves

Our  commercial  revenues  are  generated  from  diagnostic  services  provided  to  patient’s  physicians  and  billed  to  third-party  insurance  payers  such  as
managed  care  organizations,  Medicare  and  Medicaid  and  patients  for  any  deductibles,  coinsurance  or  copayments  that  may  be  due.  Commencing  on
January 1, 2018, we recognize revenue in accordance with ASC 606, Revenue from Contracts with Customers, or ASC 606, which requires that an entity
recognize revenue when it transfers promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be
entitled to in exchange for those goods or services. We adopted the provisions of ASC 606 using the modified retrospective application method applied to
all contracts, which did not impact amounts previously reported by us, nor did it require a cumulative effect adjustment upon adoption, as our method of
recognizing revenue under ASC 606 was analogous to the method utilized immediately prior to adoption. 

69

Contracts

For  our  commercial  revenues,  while  we  market  directly  to  physicians,  our  customer  is  the  patient.  Patients  do  not  enter  into  direct  agreements  with  us,
however,  a  patient’s  insurance  coverage  requirements  would  dictate  whether  or  not  any  portion  of  the  cost  of  the  tests  would  be  patient  responsibility.
Accordingly, we establish a contract with a commercial patient in accordance with other customary business practices, as follows:

•

•

•

•

•

Approval of a contract is established via the order and accession, which are submitted by the patient’s physician.

We are obligated to perform our diagnostic services upon receipt of a sample from a physician, and the patient and/or applicable payer are obligated
to reimburse us for services rendered based on the patient’s insurance benefits.

Payment  terms  are  a  function  of  a  patient’s  existing  insurance  benefits,  including  the  impact  of  coverage  decisions  with  CMS  and  applicable
reimbursement contracts established between us and payers, unless the patient is a self-pay patient, whereby we bill the patient directly after the
services are provided.

Once we deliver a patient’s assay result to the ordering physician, the contract with a patient has commercial substance, as we are legally able to
collect payment and bill an insurer and/or patient, regardless of payer contract status or patient insurance benefit status.

Consideration associated with commercial revenues is considered variable and constrained until fully adjudicated, with net revenues recorded to the
extent that it is probable that a significant reversal will not occur.

Our development services revenues are supported by contractual agreements and generated from assay development services provided to entities, as well as
certain other diagnostic services provided to physicians, and revenues are recognized upon delivery of the performance obligations in the contract.

Performance Obligations

A performance obligation is a promise in a contract to transfer a distinct good or service, or a bundle of goods or services, to the customer. For commercial
and development services revenues, our contracts have a single performance obligation, which is satisfied upon rendering of services, which culminates in
the delivery of a patient’s assay result(s) to the ordering physician or entity. The duration of time between accession receipt and delivery of a valid assay
result to the ordering physician or entity is typically less than two weeks. Accordingly, we elected the practical expedient and therefore, we do not disclose
the value of unsatisfied performance obligations.

Transaction Price

The  transaction  price  is  the  amount  of  consideration  that  we  expect  to  collect  in  exchange  for  transferring  promised  goods  or  services  to  a  customer,
excluding amounts collected on behalf of third parties, such as sales taxes. The consideration expected from a contract with a customer may include fixed
amounts,  variable  amounts,  or  both.  Our  gross  commercial  revenues  billed,  and  corresponding  gross  accounts  receivable,  are  subject  to  estimated
deductions  for  such  allowances  and  reserves  to  arrive  at  reported  net  revenues,  which  relate  to  differences  between  amounts  billed  and  corresponding
amounts estimated to be subsequently collected, and is deemed to be variable although the variability is not explicitly stated in any contract. Rather, the
implied variability is due to several factors, such as the payment history or lack thereof for third-party payers, reimbursement rate changes for contracted
and  non-contracted  payers,  any  patient  co-payments,  deductibles  or  compliance  incentives,  the  existence  of  secondary  payers  and  claim  denials.  We
estimate the amount of variable consideration using the most likely amount approach to estimating variable consideration for third-party payers, including
direct patient bills, whereby the estimated reimbursement for services are established by payment histories on CPT codes for each payer, or similar payer
types. When no payment history is available, the value of the account is estimated at Medicare rates, with additional other payer-specific reserves taken as
appropriate. Collection periods for billings on commercial revenues range from less than 30 days to several months, depending on the contracted or non-
contracted nature of the payer, among other variables. The estimates of amounts that will ultimately be realized from commercial diagnostic services for
non-contracted payers require significant judgment by management.

We limit the amount of variable consideration included in the transaction price to the unconstrained portion of such consideration. Revenue is recognized
up to the amount of variable consideration that is not subject to a significant reversal until additional information is obtained or the uncertainty associated
with the additional payments or refunds is subsequently

70

 
 
resolved.  Differences  between  original  estimates  and  subsequent  revisions,  including  final  settlements,  represent  changes  in  the  estimate  of  variable
consideration and are included in the period in which such revisions are made. We monitor our estimates of transaction price to depict conditions that exist
at each reporting date. If we subsequently determine that we will collect more consideration than we originally estimated for a contract with a customer, we
will  account  for  the  change  as  an  increase  in  the  estimate  of  the  transaction  price  in  the  period  identified  as  an  increase  to  revenue.  Similarly,  if  we
subsequently determine that the amount it expects to collect from a customer is less than it originally estimated, we will generally account for the change as
a decrease in the estimate of the transaction price as a decrease to revenue, provided that such downward adjustment does not result in a significant reversal
of cumulative revenue recognized. Revenue recognized from changes in transaction prices was not significant during the years ended December 31, 2018
and 2019.

Allocate Transaction Price

For our commercial revenues, the entire transaction price is allocated to the single performance obligation contained in a contract with a customer. For our
development services revenues, the contracted transaction price is allocated to each single performance obligation contained in a contract with a customer
as performed.

Point-in-time Recognition

Our single performance obligation is satisfied at a point in time, and that point in time is defined as the date a patient’s successful assay result is delivered
to  the  patient’s  ordering  physician  or  entity.  We  consider  this  date  to  be  the  time  at  which  the  patient  obtains  control  of  the  promised  diagnostic  assay
service. 

Contract Balances

The  timing  of  revenue  recognition,  billings  and  cash  collections  results  in  accounts  receivable  recorded  in  our  balance  sheets.  Generally,  billing  occurs
subsequent to delivery of a patient’s test result to the ordering physician or entity, resulting in an account receivable.  

Practical Expedients

We do not adjust the transaction price for the effects of a significant financing component, as at contract inception, we expect the collection cycle to be one
year or less.

We  expense  sales  commissions  when  incurred  because  the  amortization  period  is  one  year  or  less,  which  are  recorded  within  sales  and  marketing
expenses.  

We incur certain other costs that are incurred regardless of whether a contract is obtained. Such costs are primarily related to legal services and patient
communications. These costs are expensed as incurred and recorded within general and administrative expenses. 

Stock-Based Compensation

We account for stock-based compensation under the provisions of ASC Topic 718, Compensation—Stock Compensation, which requires the measurement
and recognition of compensation expense for all stock-based awards made to employees and directors based on estimated fair values on the grant date. We
estimate the fair value of stock option awards on the date of grant using the Black-Scholes option pricing model, or Black-Scholes valuation model. The
fair value of RSUs is determined by the price of our common stock on the date of grant. The value of the portion of the award that is ultimately expected to
vest is recognized as expense over the requisite service periods using the straight-line method. We estimate forfeitures at the time of grant and revise our
estimates in subsequent periods if actual forfeitures differ from those estimates.

We account for stock-based compensation awards to non-employees in accordance with ASC Topic 505-50, Equity-Based Payments to Non-Employees.
Under ASC 505-50, we determine the fair value of the warrants or stock-based compensation awards granted as either the fair value of the consideration
received,  or  the  fair  value  of  the  equity  instruments  issued,  whichever  is  more  reliably  measurable.  All  issuances  of  equity  instruments  issued  to  non-
employees as consideration for goods or services received by us are accounted for based on the fair value of the equity instruments issued. These awards
are

71

recorded in expense and additional paid-in capital in stockholders’ equity over the applicable service periods based on the fair value of the options at the
end of each period.

Calculating the fair value of stock-based awards requires the input of highly subjective assumptions into the Black-Scholes valuation model. Stock-based
compensation  expense  is  calculated  using  our  best  estimate,  which  involves  inherent  uncertainties,  and  the  application  of  our  management’s  judgment.
Significant estimates include the fair value of our common stock at the date of grant for awards granted prior to our initial public offering, the expected life
of the stock option, stock price volatility, risk-free interest rate and forfeiture rate.

Going Concern

We assess and determine our ability to continue as a going concern under the provisions of ASC Topic 205-40, Presentation of Financial Statements—
Going Concern, which requires us to evaluate whether there are conditions or events that raise substantial doubt about our ability to continue as a going
concern within one year after the date that our annual and interim financial statements are issued. Certain additional financial statement disclosures are
required if such conditions or events are identified. If and when an entity’s liquidation becomes imminent, financial statements should be prepared under
the liquidation basis of accounting.

Determining the extent, if any, to which conditions or events raise substantial doubt about our ability to continue as a going concern, or the extent to which
mitigating plans sufficiently alleviate any such substantial doubt, as well as whether or not liquidation is imminent, requires significant judgment by us. We
have determined that there is substantial doubt about our ability to continue as a going concern for the one-year period following the date that our financial
statements for the year ended December 31, 2019 were issued, which have been prepared assuming that we will continue as a going concern. We have not
made any adjustments to reflect the possible future effects on the recoverability and classification of assets or the amounts and classification of liabilities
that may result from the possible inability of us to continue as a going concern.

Reverse Split

In July 2018, our stockholders approved, and we filed, an amendment to our Certificate of Amendment of Certificate of Incorporation to effect a one-for-
thirty reverse stock split of our outstanding common stock. All references to share and per share amounts in our financial statements and accompanying
notes have been restated to reflect the one-for-thirty reverse stock split, except for the authorized number of shares of the Company’s common stock of
150,000,000 shares, which was not affected by the one-for-thirty reverse stock split.

Coronavirus (COVID-19) Pandemic

On March 11, 2020 the World Health Organization declared the novel strain of coronavirus (COVID-19) a global pandemic and recommended containment
and mitigation measures worldwide. In addition, as we are located in California, we are currently under a shelter-in-place mandate and many of our clients
worldwide are similarly impacted.  The global outbreak of the COVID-19 coronavirus continues to rapidly evolve, and the extent to which the COVID-19
coronavirus may impact our business 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 outbreak, 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.  While we are still receiving specimens from clients on a daily basis, we anticipate a potential slowdown in volume as many clinic visits are being
re-scheduled and delayed.  We are continuing to vigilantly monitor the situation with our primary focus on the health and safety of our employees and
clients.

72

Results of Operations

Years Ended December 31, 2018 and 2019

The following table sets forth certain information concerning our results of operations for the periods shown:

For the year ended December 31,

Change

2018

2019

$

%

(dollars in thousands)

Net revenues
Cost of revenues
Research and development
expenses
General and administrative
expenses
Sales and marketing expenses
Loss from operations
Interest expense, net
Other income
Loss before income taxes
Income tax expense
Net loss
Deemed dividend related to
warrants down round provision
Net loss attributable to common
shareholders

  $

3,250 
10,052 

 $

5,529 
10,978 

 $

4,469 

7,074 

5,915 
(24,260)
(310)
— 
(24,570)
(2)
(24,572)

(636)

4,697 

6,970 

5,941 
(23,057)
(250)
(1,831)
(25,138)
— 
(25,138)

(122)

  $

(25,208)

$

(25,260)

$

2,279 
926 

228 

(104)

26 
1,203 
60 
(1,831)
(568)
2 
(566)

514 

(52)

70%
9%

5%

(1%)

0%
(5%)
(19%)
0%
2%
(100%)
2%

(81%)

0%

The composition of the Company’s net revenues recognized during the years ended December 31, 2018 and 2019, disaggregated by source and timing of
recognition, are as follows:

Net commercial revenues recognized upon delivery
Development services revenues recognized upon delivery
Kits and Blood Collection Tubes (BCT)
Total net revenues

For the year ended December 31,
2019
2018

3,042,122  
198,736  
9,440  
3,250,298  

  $

  $

5,116,210 
212,344 
200,012 
5,528,566 

  $

  $

Net Revenues

Net  revenues  were  approximately  $5,529,000  for  the  year  ended  December  31,  2019,  compared  with  approximately  $3,250,000  for  the  year  ended
December 31, 2018, an increase of $2,279,000, or 70%, which is primarily due to an increase in accession volume over the prior year.  The increase in net
revenues  is  due  to  an  increase  in  accession  volumes,  which  is  partially  attributable  to  the  increase  in  the  urology  business  specifically  targeted  as  our
growth strategy.  In addition, we had an increase in the number of tests ordered per accession which is partially attributable to the launching of new assays
in 2019.

The  net  estimated  revenue  per  commercial  accession  delivered  during  the  year  ended  December  31,  2019  was  $1,202,  based  on  4,256  commercial
accessions delivered, while during the year ended December 31, 2018 it was approximately $982, based on 3,097 commercial accessions delivered. 

The  following  table  sets  forth  certain  information  regarding  commercial  accessions  received  during  the  years  ended  December  31,  2018  and  2019,  as
follows:

73

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
     
 
     
 
   
 
 
  
   
  
  
  
   
 
 
 
 
 
 
   
 
 
 
 
 
 
   
  
  
  
   
  
  
  
   
  
  
  
   
  
  
  
   
  
  
  
   
  
  
  
   
  
  
  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
# Commercial accessions received
$ Value estimated per commercial accession received *

Year ended December 31,

Change

2018

2019

# / $

%

$

3,273   
1,197 

  $

4,425   
1,248 

  $

1,152   
51   

35%
4%

*Commercial value per accession received is reflected as expected reimbursement (gross billed less contractual allowance).

Additionally,  there  was  a  $14,000  increase  in  development  services  revenues  during  the  year  ended  December  31,  2019  as  compared  to  the  prior  year,
which was primarily related to an increase in values per development services accessions delivered, as follows:

# Development services cases delivered
$ Value estimated per development services accession
   Delivered

Costs and Expenses

Year ended December 31,

Change

2018

2019

#

%

620   

509   

$

321 

  $

361 

  $

(111)  

40   

(18%)

12%

Cost of Revenues. Cost of revenues was approximately $10,978,000 for the year ended December 31, 2019, compared with approximately $10,052,000 for
the year ended December 31, 2018 as we continued to leverage the fixed components of our costs.  As a result, cost of revenues as a percentage of net
revenues decreased by 110.7% for the year ended December 31, 2019 as compared to the prior year. Cost of revenues are comprised of, but not limited to,
expenses related to personnel costs, materials, shipping and other direct costs, as well as equipment depreciation and software amortization expenses.

Research  and  Development  Expenses.  Research  and  development  expenses  were  approximately  $4,697,000  for  the  year  ended  December  31,  2019,
compared with approximately $4,469,000 for the year ended December 31, 2018, an increase of $228,000, or 5%. The increase was primarily attributable
to development and validation costs related to additional tests. Research and development expenses are comprised of, but not limited to, personnel costs,
material, shipping and other direct costs, computer and laboratory equipment maintenance and facility related costs.  

General  and  Administrative  Expenses.  General  and  administrative  expenses  were  approximately  $6,970,000  for  the  year  ended  December  31,  2019,
compared with approximately $7,074,000 for the year ended December 31, 2018, a decrease of $104,000, or 1%, resulting from cost savings efforts. The
decrease was primarily attributable to a lower consulting, outside service and legal and patent costs compared to the prior year. General and administrative
expenses are comprised of, but not limited to, personnel costs, facilities, depreciation, repairs and maintenance costs, stock-based compensation expenses,
patent and legal costs, accounting and audit fees, as well as insurance, office and other expenses.

Sales  and  Marketing  Expenses.  Sales  and  marketing  expenses  were  approximately  $5,941,000  for  the  year  ended  December  31,  2019  compared  with
approximately $5,915,000 for the year ended December 31, 2018, an increase of $26,000. The increase was primarily attributable to higher volume and
revenues during the period. Sales and marketing expenses are comprised of, but not limited to, personnel costs, trade show and other marketing related
expenses, as well as office and other costs.

Interest Expenses.  Interest expenses were $250,000 for the year ended December 31, 2019, compared to $310,000 for the year ended December 31, 2018,
representing a reduction of $60,000 or 19%.  This was primarily the result of the Oxford term loan having been paid off mid-year 2018.

Income Tax Expense

Over  the  past  several  years  we  have  generated  operating  losses  in  all  jurisdictions  in  which  we  may  be  subject  to  income  taxes.  As  a  result,  we  have
accumulated significant net operating losses and other deferred tax assets. Because of our history of losses and the uncertainty as to the realization of those
deferred tax assets, a full valuation allowance has been recognized.

74

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
We do not expect to report a provision for income taxes until we have a history of earnings, if ever, that would support the realization of our deferred tax
assets.

We have not completed a study to assess whether an ownership change has occurred or whether there have been multiple ownership changes since our
formation, due to the complexity and cost associated with such a study, and the fact that there may be additional ownership changes in the future, however,
we believe ownership changes likely occurred in each year from 2015 through 2019. As a result, we have estimated that the use of our net operating loss
and research and development tax credit carryforwards that can be used in the future remain fully offset by a valuation allowance to reduce the net asset to
zero.

Inflation

We do not believe that inflation has had a material adverse impact on our business or operating results during the periods presented.

Liquidity and Capital Resources

We are actively working to improve our financial position and enable the growth of our business, by raising new capital and generating revenues.

Cash Flows

Our net cash flow from operating, investing and financing activities for the periods below were as follows:

(dollars in thousands)

Cash provided by/(used in):
Operating activities
Investing activities
Financing activities
Net increase/(decrease) in cash

For the year ended December 31,

2018

2019

  $

  $

(22,355)
(145)
23,777 
1,277 

 $

 $

(23,049)
(734)
29,661 
5,878

Cash Used in Operating Activities. Net cash used in operating activities was $23.0 million for the year ended December 31, 2019, compared to net cash
used in operating activities of $22.4 million for the year ended December 31, 2018. The net increase of $694,000 in cash used was primarily related to an
increase in our accounts receivable balance of approximately $1.6 million. During the year ended December 31, 2019 we recorded a non-cash warrant
inducement expense of $1.8 million related to the May 2019 warrant inducement transaction.

Cash Used in Investing Activities. Net cash used in investing activities of approximately $734,000 and $145,000 during the years ended December 31, 2019
and 2018, respectively, was related to purchases of fixed assets.

Cash Provided by Financing Activities. Net cash provided by financing activities was $29.7 million for the year ended December 31, 2019, compared to net
cash provided by financing activities of $23.8 million for the year ended December 31, 2018. Our primary sources of cash from financing activities during
the  year  ended  December  31,  2019  consisted  of  $2.0  million  in  net  proceeds  from  our  offering  of  common  stock  in  January  2019,  $6.6  million  in  net
proceeds  from  our  sale  of  common  stock  and  warrants  in  February  2019,  $0.6  million  in  net  proceeds  from  the  exercise  of  the  placement  agent’s
overallotment option from the January 2019 transaction, $7.6 million in net proceeds from our sale of common stock and warrants in March 2019, $4.9
million in proceeds from exercise of common stock warrants, and $9.0 million in net proceeds from our December 2019 financing transaction. Our primary
sources  of  cash  from  financing  activities  during  the  year  ended  December  31,  2018  consisted  of  $13.3  million,  $10.1  million  and  $2.2  million  in  net
proceeds from our offerings in January, August and September 2018, respectively, which were partially offset by $1.9 million of principal payments made
on indebtedness.

75

 
 
 
 
 
 
 
 
 
 
   
 
     
 
     
 
     
 
   
  
   
  
 
Liquidity, Capital Resources and Expenditure Requirements

We expect to continue to incur substantial operating losses in the future. It may take several years to achieve positive operational cash flow, or we may not
ever achieve positive operational cash flow. We expect that we will use the net proceeds from our sale of equity securities, if any, cash received from the
licensing  of  our  technology,  if  any,  and  our  revenues  from  operations  to  support  increased  sales  and  marketing  activities,  fund  further  research  and
development, clinical utility studies and future enhancements of our assays, acquire equipment, implement automation and scale our capabilities to prepare
for significant assay volume, for general corporate purposes and to fund ongoing operations and the expansion of our business, including the increased
costs associated with expanded commercial activities. We may also use the net proceeds from our sale of equity securities, if any, cash received from the
licensing of our technology, if any, and our revenues from operations to acquire or invest in businesses, technologies, services or products, although we do
not have any current plans to do so.

On  January  18,  2019,  we  completed  an  offering  of  990,000  shares  of  our  common  stock  at  a  purchase  price  of  $2.25  per  share  raising  net  proceeds  of
approximately  $2.0  million.    On  February  12,  2019,  we  completed  an  offering  of  6,250,000  shares  of  our  common  stock  and  warrants  at  a  combined
offering price of $1.20 per unit, raising approximately $6.6 million, and on March 11, 2019, the underwriters exercised their overallotment option under the
February 2019 transaction and purchased 538,867 shares from us for total proceeds of $601,000.  In addition, on March 19, 2019, we completed an offering
of 5,950,000 shares of common stock and warrants at an offering price of $1.37 per share raising approximately $7.6 million in net proceeds.  In May 2019,
investors exercised warrants for 4.1 million shares of common stock at exercise prices ranging from $1.20 to $1.25 per share resulting in net cash proceeds
to the Company totaling $4.8 million.  Approximately 2.1 million shares of the warrants exercised was pursuant to a warrant inducement transaction raising
approximately $2.3 million of net proceeds of the total $4.8 million raised. On December 9, 2019, we completed an underwritten offering of 19.2 million
shares of our common stock, prefunded warrants to purchase 5.4 million shares of our common stock, and 24.6 million warrants to purchase our common
stock at a combined purchase price of $0.405 per share, raising approximately $9.0 million in net proceeds.

As  of  December  31,  2019,  our  cash  totaled  $9.3  million,  and  our  outstanding  net  indebtedness  totaled  $1.7  million.  While  we  currently  are  in  the
commercialization stage of operations, we have not yet achieved profitability and anticipate that we will continue to incur net losses for the foreseeable
future. We have determined that there is substantial doubt about our ability to continue as a going concern for the one-year period following the date that
our financial statements for the year ended December 31, 2019 were issued, and we expect that we will need additional financing to execute on our current
or future business strategies beyond the end of 2020.

We  expect  that  we  will  need  additional  financing  to  execute  on  our  current  or  future  business  strategies.  Until  we  can  generate  significant  cash  from
operations,  including  assay  revenues,  we  expect  to  continue  to  fund  operations  with  the  proceeds  from  offerings  of  our  equity  securities  or  debt,  or
transactions involving product development, technology licensing or collaboration. For example, we have an effective shelf registration statement on file
with the SEC which allows us to issue any combination of our common stock, preferred stock, debt securities and warrants from time to time until expiry
on May 21, 2021, subject to certain restrictions that apply for so long as our public float is less than $75 million. The specific terms of additional future
offerings, if any, under this shelf registration statement would be established at the time of such offerings. We can provide no assurances that any sources of
a sufficient amount of financing will be available to us on favorable terms, if at all. If we are unable to raise a sufficient amount of financing in a timely
manner, we would likely need to scale back our general and administrative activities and certain of our research and development activities. Our forecast
pertaining to our current financial resources and the costs to support our general and administrative and research and development activities are forward-
looking statements and involve risks and uncertainties. Actual results could vary materially and negatively as a result of a number of factors, including:

•

•

•

•

•

•

•

our ability to secure financing and the amount thereof;

the costs of operating and enhancing our laboratory facilities;

the costs of developing our anticipated internal sales and marketing capabilities;

the scope, progress and results of our research and development programs, including clinical utility studies;

the scope, progress, results, costs, timing and outcomes of the clinical utility studies for our diagnostic assays;

our ability to manage the costs for manufacturing our microfluidic channels;

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

76

•

•

•

•

our ability to obtain adequate reimbursement from governmental and other third-party payers for our assays and services;

the costs of additional general and administrative personnel, including accounting and finance, legal and human resources, as a result of becoming a
public company;

our ability to collect revenues; and

other risks discussed in our other filings with the SEC.

We may raise additional capital to fund our current operations and to fund expansion of our business to meet our long-term business objectives through
public  or  private  equity  offerings,  debt  financings,  borrowings  or  strategic  partnerships  coupled  with  an  investment  in  our  company  or  a  combination
thereof. If we raise additional funds through the issuance of convertible debt securities, or other debt securities, these securities could be secured and could
have rights senior to those of our common stock. In addition, any new debt incurred by us could impose covenants that restrict our operations. The issuance
of any new equity securities will also dilute the interest of our current stockholders. Given the risks associated with our business, including our unprofitable
operating history and our ability or inability to develop additional assays, additional capital may not be available when needed on acceptable terms, or at
all. If adequate funds are not available, we will need to curb our expansion plans or limit our research and development activities, which would have a
material adverse impact on our business prospects and results of operations.

Off-Balance Sheet Arrangements

We have not engaged in any off-balance sheet arrangements as defined in Item 303(a)(4) of Regulation S-K.

Item 7A. Quantitative and Qualitative Disclosures about Market Risk

Not applicable.

77

 
 
 
Item 8. Financial Statements and Supplementary Data

Biocept, Inc.
Index to Financial Statements

Financial Statements:
Report of Independent Registered Public Accounting Firm
Balance Sheets at December 31, 2019 and 2018
Statements of Operations and Comprehensive Loss for the Years Ended December 31, 2019 and 2018
Statements of Shareholders’ Equity for the Years Ended December 31, 2019 and 2018
Statements of Cash Flows for the Years Ended December 31, 2019 and 2018
Notes to Financial Statements

Page
No.

79
80
81
82
83
86

78

 
 
  
   
  
  
  
  
  
  
 
 
 
REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Shareholders of Biocept, Inc.

Opinion on the Financial Statements

We  have  audited  the  accompanying  balance  sheets  of  Biocept,  Inc.  (“Company”)  as  of  December  31,  2019  and  2018,  and  the  related  statements  of
operations and comprehensive loss, shareholders’ equity and cash flows for each of the two years in the period ended December 31, 2019, and the related
notes  (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial
position of the Company as of December 31, 2019 and 2018 and the results of its operations and its cash flows for each of the two years in the period ended
December 31, 2019, in conformity with accounting principles generally accepted in the United States of America.

Going Concern Uncertainty

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 losses from operations and is dependent on future financings to fund operations. These conditions
raise  substantial  doubt  about  its  ability  to  continue  as  a  going  concern.  Management’s  plan  regarding  these  matters  is  also  described  in  Note  2.  The
financial statements do not include any adjustments that might result from the outcome of this uncertainty.

Adoption of New Accounting Standard

As discussed in Note 3 to the financial statements, the Company changed its method of accounting for leases as a result of the adoption of Accounting
Standards Codification Topic 842, Leases, effective January 1, 2019, under the modified retrospective method.

Basis for Opinion

These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s financial
statements  based  on  our  audits.  We  are  a  public  accounting  firm  registered  with  the  Public  Company  Accounting  Oversight  Board  (United  States)
("PCAOB") and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules
and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable
assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. The Company is not required to have, nor
were we engaged to perform, an audit of its internal control over financial reporting. As part of our audits we are required to obtain an understanding of
internal  control  over  financial  reporting  but  not  for  the  purpose  of  expressing  an  opinion  on  the  effectiveness  of  the  Company’s  internal  control  over
financial reporting. Accordingly, we express no such opinion.

Our  audits  included  performing  procedures  to  assess  the  risks  of  material  misstatement  of  the  financial  statements,  whether  due  to  error  or  fraud,  and
performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in
the  financial  statements.  Our  audits  also  included  evaluating  the  accounting  principles  used  and  significant  estimates  made  by  management,  as  well  as
evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

We have served as the Company’s auditor since 2005.

/s/ Mayer Hoffman McCann P.C.

San Diego, California
March 27, 2020

79

 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
Biocept, Inc.
Balance Sheets

Current assets:
Cash
Accounts receivable, net
Inventories, net
Prepaid expenses and other current assets

Total current assets

Fixed assets, net
Lease right-of-use assets - operating
Lease right-of-use assets - finance

Total assets

Current liabilities:

Accounts payable
Accrued liabilities
Current portion of equipment financings
Current portion of lease liabilities - operating
Current portion of lease liabilities - finance

Total current liabilities

Non-current portion of equipment financings
Non-current portion of lease liabilities - finance
Non-current portion of deferred rent

Total liabilities
Commitments and contingencies (see Note 16)
Shareholders’ equity:

Preferred stock, $0.0001 par value, 5,000,000 shares authorized; 4,417 shares and 2,133 shares
issued and outstanding at December 31, 2018 and 2019, respectively.
Common stock, $0.0001 par value, 150,000,000 shares authorized; 4,629,174 shares issued and
outstanding at December 31, 2018; 54,738,485 shares issued and outstanding at December 31,
2019.
Additional paid-in capital
Accumulated deficit
Total shareholders’ equity
Total liabilities and shareholders’ equity

December 31,
2018

December 31,
2019

 $

 $

 $

3,423,373 
1,574,325 
587,222 
425,961 
6,010,881 
2,739,422 
— 
— 
8,750,303 

2,039,718 
1,928,393 
641,536 
— 
— 
4,609,647 
985,015 
— 
113,122 
5,707,784 

9,301,406 
3,527,078 
767,986 
296,127 
13,892,597 
1,504,330 
729,330 
1,606,387 
17,732,644 

2,011,827 
1,980,204 
— 
842,452 
724,329 
5,558,812 
— 
973,189 
— 
6,532,001 

— 

— 

463 
223,499,634 
(220,457,578)
3,042,519 
8,750,303 

 $

5,474 
256,912,358 
(245,717,189)
11,200,643 
17,732,644

 $

 $

 $

 $

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

80

 
 
 
 
 
 
 
 
 
 
 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
 
    
 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
 
    
 
  
  
  
  
 
 
 
 
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Biocept, Inc.
Statements of Operations and Comprehensive Loss

Net revenues
Costs and expenses:

Cost of revenues
Research and development expenses
General and administrative expenses
Sales and marketing expenses

Total costs and expenses
Loss from operations
Other income/(expense):
Interest expense, net
Warrant inducement expense

Total other income/(expense):
Loss before income taxes
Income tax expense

Net loss and comprehensive loss

Deemed dividend related to warrants down round provision

Net loss attributable to common shareholders

Weighted-average shares outstanding used in computing net loss per share attributable to common
shareholders:
Basic

Diluted

Net loss per common share:

Basic

Diluted

For the years ended December 31,
2019
2018

  $

3,250,298    $

5,528,566 

10,051,735   
4,468,572   
7,074,024   
5,914,706   
27,509,037   
(24,258,739)  

(310,976)  
—   
(310,976)  
(24,569,715)  
(1,886)  
(24,571,601)   $
(636,370)  
(25,207,971)   $

10,977,520 
4,697,022 
6,970,120 
5,940,843 
28,585,505 
(23,056,939)

(249,984)
(1,831,116)
(2,081,100)
(25,138,039)
— 
(25,138,039)

(121,572)
(25,259,611)

2,798,243   
2,798,243   

20,660,894 

20,660,894 

(9.01)   $

(9.01)   $

(1.22)

(1.22)

  $

  $

  $

  $

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

81

 
 
 
 
 
 
 
 
 
 
   
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
   
 
 
 
 
 
 
 
 
   
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Biocept, Inc.
Statements of Shareholders’ Equity

Common Stock

    Amount

Series A
Convertible
Preferred Stock

Shares

    Amount

Balance at December 31, 2017
Stock-based compensation expense
Shares issued for restricted stock units
Shares issued upon exercise of pre-funded
common stock warrants
Deemed dividends related warrants downround
provision
Shares and warrants issued for January 2018
financing transaction, net of issuance costs
Shares and warrants issued for August 2018
rights offering, net of issuance costs
Shares and warrants issued for September 2018
registered direct offering, net of issuance costs
Shares issued upon conversion of preferred
stock
Net loss
Balance at December 31, 2018
Stock-based compensation expense
Shares issued upon exercise of common stock
warrants
Shares issued upon cashless exercise of
common stock warrants
Shares issued upon exercise of pre-funded
common stock warrants
Deemed dividends related warrants downround
provision
Shares issued for January 2019 financing
transaction, net of issuance costs
Shares and warrants issued for February 2019
financing, net of issuance costs
Shares issued for January 2019 financing
transaction overallotment, net of issuance costs
Shares and warrants issued for March 2019
financing transaction, net of issuance costs
Shares and warrants issued for December 2019
underwritten offering, net of issuance costs
Warrant inducement expense
Shares issued upon conversion of preferred
stock
Net loss
Balance at December 31, 2019

Shares
    1,181,179 
— 
5,833 

120,000 

— 

118 
— 
1 

12 

— 

  1,095,153 

110 

— 

642,438 

  1,584,571 
— 
    4,629,174 
— 

  4,155,430 

  7,120,250 

  5,400,000 

— 

990,000 

  6,250,000 

538,867 

  5,950,000 

  19,200,000 
— 

504,764 
— 
    54,738,485 

 $

— 

64 

158 
— 
463 
— 

416 

712 

540 

— 

99 

625 

54 

595 

1,920 
— 

50 
— 
5,474 

Additional
    Paid-in Capital  
   196,545,523 
623,412 

  Accumulated  

Deficit

   (195,249,607)   

(1)   

1,188 

Total
1,296,034 
623,412 
— 

1,200 

— 
— 

— 

636,370 

(636,370)   

— 

— 

   13,342,709 

— 

   13,342,819 

— 
— 
— 

— 

— 

— 
— 
— 

— 

— 

— 

11,587 

1 

   10,097,861 

— 

   10,097,862 

— 

— 

2,252,729 

— 

2,252,793 

(7,170)   
— 
4,417 
— 

— 

— 

— 

— 

— 

— 

— 

— 

— 
— 

(2,284)   
— 
2,133 

 $

(1)   
— 
— 
— 

(157)   
— 
   223,499,634 
869,579 

— 

— 
(24,571,601)    (24,571,601)
3,042,519 
869,579 

— 

   (220,457,578)   

— 

— 

— 

— 

— 

— 

— 

— 

— 
— 

— 
— 
— 

4,850,055 

(712)   

53,460 

— 

— 

— 

4,850,471 

— 

54,000 

121,572 

(121,572)   

— 

2,032,212 

6,602,110 

592,252 

7,553,198 

8,907,932 
1,831,116 

— 

— 

— 

— 

— 
— 

2,032,311 

6,602,735 

592,306 

7,553,793 

8,909,852 
1,831,116 

(50)   
— 
 $ 256,912,358 

— 
(25,138,039)    (25,138,039)
 $ (245,717,189)  $ 11,200,643

— 

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

82

 
 
 
 
 
 
 
   
 
 
 
 
   
 
 
 
 
  
  
  
   
  
  
  
  
  
  
   
  
  
  
  
  
 
 
  
  
  
  
  
  
 
 
  
  
  
  
  
 
  
  
  
  
 
 
  
  
  
  
 
 
  
  
  
  
  
  
 
  
  
  
   
  
  
  
  
  
  
  
  
   
  
  
  
  
  
  
 
  
  
  
  
  
  
 
  
  
  
  
  
 
  
  
  
  
  
  
 
 
  
  
  
  
  
 
 
  
  
  
  
  
  
 
  
  
  
  
  
  
 
 
  
  
  
  
  
  
 
  
  
  
  
  
  
 
  
  
  
  
  
  
   
  
  
  
  
  
  
 
 
  
  
  
  
   
  
  
  
  
  
  
 
 
 
Biocept, Inc.
Statements of Cash Flows

Cash Flows from Operating Activities

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

Depreciation and amortization
Amortization of right-of-use assets
Inventory reserve
Stock-based compensation
Non-cash interest expense related to credit facility and other financing activities
Warrant inducement expense

Increase/(decrease) in cash resulting from changes in:

Accounts receivable, net
Inventory
Prepaid expenses and other current assets
Accounts payable
Accrued liabilities
Accrued interest
Deferred rent
Net cash used in operating activities
Cash Flows from Investing Activities:

Purchases of fixed assets
Net cash used in investing activities
Cash Flows from Financing Activities:

Net proceeds from issuance of common stock and warrants
Proceeds from exercise of common stock warrants
Proceeds from warrant exercise inducement
Payments on finance leases
Payments on supplier and other third-party financings
Payments on credit facility

Net cash provided by financing activities
Net increase in Cash
Cash at Beginning of Period
Cash at End of Period

Supplemental Disclosures of Cash Flow Information:
Cash paid during the period for:
         Interest

         Income taxes

For the years ended December 31,
2019

2018

 $

(24,571,601)   $

(25,138,039)

800,905   
—   
(38,499)  
623,412   
29,426   
—   

(380,899)  
(50,021)  
488,505   
601,872   
460,972   
(202,609)  
(116,681)  
(22,355,218)  

(145,253)  
(145,253)  

25,693,474   
1,200   
—   
(160,381)  
(559,092)  
(1,197,968)  
23,777,233   
1,276,762   
2,146,611   
3,423,373    $

931,655 
(158,341)
14,167 
869,579 
— 
1,831,116 

(1,952,753)
(194,928)
523,293 
14,838 
210,152 
— 
— 
(23,049,261)

(735,300)
(735,300)

25,744,997 
2,513,173 
2,337,298 
(539,415)
(393,459)
— 
29,662,594 
5,878,033 
3,423,373 
9,301,406 

605,485    $

4,517    $

249,984 

—  

 $

 $

 $

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

83

 
 
 
 
 
 
 
 
 
  
    
 
  
    
   
   
 
  
 
  
 
  
 
  
 
  
 
  
 
    
   
   
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
    
   
   
 
  
 
  
 
    
   
   
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
    
 
  
  
    
 
  
 
 
 
 
 
 
 
 
 
 
Non-cash Investing and Financing Activities:

During  the  years  ended  December  31,  2018  and  2019,  Biocept,  Inc.,  or  the  Company,  financed  insurance  premiums  of  approximately  $488,000  and
$393,000,  respectively,  through  third-party  financings  (see  Note  9).  During  the  year  ended  December  31,  2018,  the  Company  cancelled  insurance
premiums previously financed through third parties with no remaining principal balance outstanding at year end.  

Fixed assets purchased totaling approximately $279,000 and $632,000 during the years ended December 31, 2018 and 2019, respectively, were recorded as
finance lease obligations and were excluded from cash purchases in the Company’s statements of cash flows (see Note 8).    

The  amount  of  unpaid  fixed  asset  purchases  excluded  from  cash  purchases  in  the  Company’s  statements  of  cash  flows  decreased  from
approximately $25,000 at December 31, 2018 to $32,000 at December 31, 2019.

An offering of 1,095,153 shares of the Company’s common stock and warrants to purchase up to an aggregate of 1,095,153 shares of its common stock at a
combined offering price of $13.50 per unit occurred on January 30, 2018. As of December 31, 2019, all warrants sold in this offering have an exercise price
of  $0.405  per  share,  subject  to  down  round  adjustment,  are  exercisable  immediately  and  expire  five  years  from  the  date  of  issuance.  The  estimated
aggregate grant date fair value on a relative fair value basis was approximately $9.7 million associated with these warrants was recorded as an offset to
additional paid-in capital (see Note 4). Additionally, approximately $1.4 million of fees and costs directly associated with this offering were recorded as an
offset to additional paid-in capital in accordance with applicable accounting guidance.

A rights offering for the Company’s Series A preferred stock and warrants was completed on August 13, 2018. Pursuant to the rights offering the Company
sold 11,587 units consisting of an aggregate of 11,587 shares of Series A Preferred Stock and 2,549,140 warrants, with each warrant exercisable for one
share of Common Stock at an exercise price of $4.53 per share. The gross amount raised in the rights offering was $11.6 million. All warrants sold in this
offering have an exercise price of $4.53 per share, are exercisable immediately and expire five years from the date of issuance. The estimated aggregate
grant  date  fair  value  on  a  relative  fair  value  basis  of  approximately  $8.4  million  was  recorded  as  an  offset  to  additional  paid-in  capital  (see  Note  4).
Additionally, approximately $1.4 million of fees and costs directly associated with this offering were recorded as an offset to additional paid-in capital in
accordance with applicable accounting guidance. During the years ended December 31, 2018 and 2019, 7,170 and 2,284 shares of Series A Preferred Stock
were converted into 1,584,571 and 504,764 shares of common stock, respectively.

An offering of 642,438 shares of the Company’s common stock and prefunded warrants to purchase up to an aggregate of 120,000 shares of its common
stock occurred on September 20, 2018. The shares were sold at a purchase price of $3.285 per share and the pre-funded warrants were sold at a purchase
price of $3.275 per pre-funded warrant which represents the per share purchase price for the shares less the $0.01 per share exercise price for each such pre-
funded  warrant.  The  aggregate  gross  proceeds  from  the  offering  were  approximately  $2.5  million.  In  addition,  in  a  concurrent  private  placement,  the
Company issued to purchasers a warrant to purchase one share of the Company’s common stock for each share and pre-funded warrant purchased for cash
in the offering. All warrants issued in this offering have an exercise price of $3.16 per share, are exercisable upon the six-month anniversary of issuance
and expire five years from such date. The estimated aggregate grant date fair value on a relative fair value basis of approximately $2.0 million associated
with these warrants was recorded as an offset to additional paid-in capital (see Note 4). Additionally, approximately $0.3 million of fees and costs directly
associated with this offering were recorded as an offset to additional paid-in capital in accordance with applicable accounting guidance.

The issuance of warrants with an exercise price of $3.16 in the September 2018 financing transaction triggered the down round provision in the January
2018 warrants, resulting in recording a deemed dividend related to the warrants down round provision in the amount of approximately $636,000 increasing
the net loss attributable to common shareholders.

On January 1, 2019, the Company adopted the accounting rules in ASC Topic 842, Leases (ASC 842), and as a result, recorded net lease right-of-use assets
of $1.9 million related to its operating lease, and recorded operating lease liabilities of $2.2 million.  In addition, in accordance with the guidance, $1.4
million of assets under capital leases previously classified in the property, plant, and equipment section of the balance sheet were reclassified to lease right-
of-use assets.

84

           
On January 18, 2019, the Company completed an offering of 990,000 shares of the Company’s common stock. The shares were sold at a purchase price of
$2.25 per share and the net proceeds to the Company from this offering were approximately $2.0 million, after deducting expenses related to the offering
including dealer-manager fees and expenses.

On February 12, 2019, the Company received net cash proceeds of approximately $6.6 million as a result of the closing of a follow-on public offering of
6,250,000 shares of its common stock and warrants to purchase up to an aggregate of 6,250,000 shares of its common stock at a combined offering price of
$1.20 per unit. All warrants sold in this offering have an exercise price of $1.20 per share, are exercisable immediately and expire five years from the date
of issuance. In addition, the Company sold warrants to purchase up to an aggregate of 937,500 shares of the Company’s common stock in connection with
the partial exercise of the over-allotment option granted to the underwriters. Upon closing of the transaction, warrants to purchase 915,000 shares were
issued pursuant to the placement agents’ partial exercise of their overallotment.  The estimated aggregate grant date fair value on a relative fair value basis
of approximately $6.8 million associated with these warrants was recorded as an offset to additional paid-in capital (see Note 4).

Pursuant to the down round adjustment feature of the January 2018 warrants, the exercise price of these warrants was adjusted to the $1.20 offering price
per  share  in  the  February  2019  financing  transaction,  and  to  the  $0.405  offering  price  in  the  December  2019  financing  transaction,  and  it  resulted  in
recording a deemed dividend of $122,000.

On  March  19,  2019,  the  Company  received  net  cash  proceeds  of  approximately  $7.6  million  as  a  result  of  completing  a  registered  direct  offering  of
5,950,000  shares  at  a  negotiated  purchase  price  of  $1.37  per  share.  In  addition,  in  a  concurrent  private  placement,  the  Company  issued  to  purchasers  a
warrant to purchase one share of the Company’s common stock for each share purchased for cash in the offering.  All warrants issued in this offering have
an  exercise  price  of  $1.25  per  share,  are  exercisable  immediately  upon  issuance  and  expire  5.5  years  following  the  date  of  issuance.  The  estimated
aggregate  grant  date  fair  value  on  a  relative  fair  value  basis  of  approximately  $6.0  million  associated  with  these  warrants  was  recorded  as  an  offset  to
additional paid-in capital (see Note 4).

On December 11, 2019, the Company received net cash proceeds of approximately $8.9 million as a result of closing an underwritten public offering of
19,200,000 shares of common stock, pre-funded warrants to purchase 5,400,000 shares of common stock, and warrants to purchase up to an aggregate of
24,600,000 shares of common stock at a combined offering price of $0.405 per unit. The pre-funded warrants were sold at a purchase price of $0.395 per
pre-funded warrant which represents the per share purchase price for the shares less the $0.01 per share exercise price for each such pre-funded warrant.
Warrants sold in this offering have an exercise price of $0.405 per share, are exercisable immediately and expire five years from the date of issuance. The
Company granted the underwriters an option to purchase up to 3,690,000 shares of common stock and/or common warrants to purchase up to 3,690,000
shares of common stock of which 1,925,000 warrants were issued to underwriters upon close of the transaction.  The estimated aggregate grant date fair
value on a relative fair value basis of approximately $6.4 million associated with these warrants was recorded as an offset to additional paid-in capital (see
Note  4).  Additionally,  approximately  $998,000  of  fees  and  costs  directly  associated  with  this  offering  were  recorded  as  an  offset  to  additional  paid-in
capital in accordance with applicable accounting guidance.

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

85

 
 
 
 
BIOCEPT, INC.

NOTES TO FINANCIAL STATEMENTS

1. The Company and Business Activities

The Company was founded in California in May 1997 and is an early stage molecular oncology diagnostics company that develops and commercializes
proprietary  circulating  tumor  cell,  or  CTC,  and  circulating  tumor  DNA,  or  ctDNA,  assays  utilizing  a  standard  blood  sample,  or  liquid  biopsy.  The
Company’s current and planned assays are intended to provide information to aid healthcare providers to identify specific oncogenic alterations that may
qualify  a  subset  of  cancer  patients  for  targeted  therapy  at  diagnosis,  progression  or  for  monitoring  in  order  to  identify  specific  resistance  mechanisms.
Sometimes traditional procedures, such as surgical tissue biopsies, result in tumor tissue that is insufficient and/or unable to provide the molecular subtype
information necessary for clinical decisions. The Company’s assays, performed on blood, have the potential to provide more contemporaneous information
on the characteristics of a patient’s disease when compared with tissue biopsy and radiographic imaging. Additionally, commencing in October 2017, the
Company’s pathology partnership program, branded as Empower TC TM, provides the unique ability for pathologists to participate in the interpretation of
liquid  biopsy  results  and  is  available  to  pathology  practices  and  hospital  systems  throughout  the  United  States.  Further,  sales  to  laboratory  supply
distributors of the Company’s proprietary blood collection tubes commenced in June 2018, which allow for the intact transport of liquid biopsy samples for
research use only, or RUO, from regions around the world.

The Company operates a clinical laboratory that is CLIA-certified (under the Clinical Laboratory Improvement Amendment of 1988) and CAP-accredited
(by the College of American Pathologists), and manufactures cell enrichment and extraction microfluidic channels, related equipment and certain reagents
to  perform  the  Company’s  diagnostic  assays  in  a  facility  located  in  San  Diego,  California.  CLIA  certification  and  accreditation  are  required  before  any
clinical laboratory may perform testing on human specimens for the purpose of obtaining information for the diagnosis, prevention, treatment of disease, or
assessment of health. The assays the Company offers are classified as laboratory developed tests under the CLIA regulations.

In July 2013, the Company effected a reincorporation to Delaware by merging itself with and into Biocept, Inc., a Delaware corporation, which had been
formed to be and was a wholly-owned subsidiary of the Company since July 23, 2013.

2. Liquidity and Going Concern Uncertainty
As of December 31, 2019, cash totaled $9.3 million and the Company had an accumulated deficit of $245.7 million. For the years ended December 31,
2018 and 2019, the Company incurred net losses of $24.6 million and $25.1 million, respectively, and had negative cash flows from operations of $22.4
million and $23.0 million, respectively.  At December 31, 2019, the Company had aggregate net interest-bearing indebtedness of $1.7 million of which
$724,000 was due within one year, in addition to approximately $2.8 million of other non-interest-bearing current liabilities.  The accompanying financial
statements and notes have been prepared assuming that the Company will continue as a going concern. The accompanying financial statements and notes
do not include any adjustments to reflect the possible future effects on the recoverability and classification of assets or the amounts and classification of
liabilities that may result from the possible inability of the Company to continue as a going concern.

While the Company is currently in the commercialization stage of operations, the Company has not yet achieved profitability and anticipates that it will
continue to incur net losses and negative cash flows from operations for the foreseeable future. Historically, the Company’s principal sources of cash have
included proceeds from the issuance of common and preferred stock, proceeds from the exercise of warrants to purchase common stock, proceeds from the
issuance of debt, and revenues from laboratory services. The Company’s principal uses of cash have included cash used in operations, payments relating to
purchases  of  property  and  equipment  and  repayments  of  borrowings.  The  Company  expects  that  the  principal  uses  of  cash  in  the  future  will  be  for
continuing operations, hiring of sales and marketing personnel and increased sales and marketing activities, funding of research and development, capital
expenditures, and general working capital requirements which are expected to be consistent with prior years. The Company expects that, as revenues grow,
sales  and  marketing  and  research  and  development  expenses  will  continue  to  grow,  albeit  at  a  slower  rate  and,  as  a  result,  the  Company  will  need  to
generate  significant  growth  in  net  revenues  to  achieve  and  sustain  income  from  operations.  These  factors  raise  substantial  doubt  about  the  Company’s
ability to continue as a going concern for the one-year period following the date that these financial statements were issued.

86

 
 
 
On March 11, 2020 the World Health Organization declared the novel strain of coronavirus (COVID-19) a global pandemic and recommended containment
and mitigation measures worldwide.  In addition, as we are located in California, we are currently under a shelter in place mandate and many of our clients
worldwide are similarly impacted.  As a healthcare provider, we are allowed to remain open in compliance with the shelter in place mandate and continue
to provide critical information for patients diagnosed with cancer. However, the global outbreak of the COVID-19 coronavirus continues to rapidly evolve,
and the extent to which the COVID-19 coronavirus may impact our business 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 outbreak, 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.  While we are still receiving specimens from clients on a daily basis, we anticipate a potential slowdown in volume as
many clinic visits are being re-scheduled and delayed.  We are continuing to vigilantly monitor the situation with our primary focus on the health and safety
of our employees and clients.   

In February 2020, the Company received net proceeds of approximately $2.2 million related to the February 2020 Warrant Exercise Inducement offering as
well as an additional $700,000 from the underwriter exercising its overallotment warrants from the December 2019 underwritten financing transaction.  In
addition,  as  inducement  for  these  exercises,  the  Company  issued  6,927,258  warrants  to  purchase  shares  of  common  stock  at  $0.3495  per  share.    The
warrants are exercisable on the six-month anniversary of issuance and expire in five years from the date first exercisable.

On March 2, 2020, the Company received net cash proceeds of approximately $8.5 million from a registered direct offering to certain institutional investors
of 23,000,000 shares of common stock at a negotiated purchase price of $0.40 per share.

On March 4, 2020, the Company received net cash proceeds of approximately $6.1 million from a registered direct offering to certain institutional investors
of 16,000,000 shares of common stock at a negotiated purchase price of $0.41 per share.

Management’s Plan to Continue as a Going Concern

In  order  to  continue  as  a  going  concern,  the  Company  will  need,  among  other  things,  additional  capital  resources.  Until  the  Company  can  generate
significant cash from operations, including assay revenues, management’s plans to obtain such resources for the Company include proceeds from offerings
of the Company’s equity securities or debt, or transactions involving product development, technology licensing or collaboration. Management can provide
no assurances that any sources of a sufficient amount of financing will be available to the Company on favorable terms, if at all. After  considering  the
factors described above and management’s plans, the Company has concluded that there is substantial doubt about the Company’s ability to continue as a
going concern within one year after the date that the financial statements are issued.

3. Summary of Significant Accounting Policies

Basis of Presentation

The  accompanying  financial  statements  and  notes  are  prepared  in  accordance  with  accounting  principles  generally  accepted  in  the  United  States  of
America,  or  U.S.  GAAP,  and  are  prepared  on  the  basis  that  the  Company  will  continue  as  a  going  concern  (see  Note  2).  The  accompanying  financial
statements and notes do not include any adjustments to reflect the possible future effects on the recoverability and classification of assets or the amounts
and classification of liabilities that may result from the possible inability of the Company to continue as a going concern.

On July 6, 2018, the Company’s stockholders approved, and the Company filed, an amendment to the Company’s Certificate of Amendment of Certificate
of Incorporation to effect a one-for-thirty reverse stock split of the Company’s outstanding common stock. As such, all references to share and per share
amounts in these financial statements and accompanying notes have been retroactively restated to reflect the one-for-thirty reverse stock split, except for
the authorized number of shares of the Company’s common stock of 150,000,000 shares, which was not affected by the one-for-thirty reverse stock split.

Going Concern

The Company assesses and determines its ability to continue as a going concern in accordance with the provisions of ASC Topic 205-40, Presentation of
Financial Statements—Going Concern, which requires the Company to evaluate whether there are conditions or events that raise substantial doubt about its
ability  to  continue  as  a  going  concern  within  one  year  after  the  date  that  its  annual  and  interim  financial  statements  are  issued  (see  Note  2).  Certain
additional financial statement disclosures

87

 
   
are  required  if  such  conditions  or  events  are  identified.  If  and  when  an  entity’s  liquidation  becomes  imminent,  financial  statements  should  be  prepared
under the liquidation basis of accounting. Determining the extent, if any, to which conditions or events raise substantial doubt about the Company’s ability
to  continue  as  a  going  concern,  or  the  extent  to  which  mitigating  plans  sufficiently  alleviate  any  such  substantial  doubt,  as  well  as  whether  or  not
liquidation is imminent, requires significant judgment by management.

Use of Estimates

The preparation of financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities
and  disclosure  of  contingent  assets  and  liabilities  at  the  date  of  the  financial  statements,  and  the  reported  amounts  of  revenues  and  expenses  during  the
reporting period. On an ongoing basis, management evaluates these estimates and judgments, including those related to accounts receivable, inventories,
long-lived assets, income taxes, revenues, stock-based compensation, and the determination of the Company’s ability to continue as a going concern. The
Company bases its estimates on various assumptions that it believes are reasonable under the circumstances. Actual results may differ from these estimates
under different assumptions or conditions.

Revenue Recognition and Accounts Receivable

The Company's commercial revenues are generated from diagnostic services provided to patient’s physicians and billed to third-party insurance payers such
as  managed  care  organizations,  Medicare  and  Medicaid  and  patients  for  any  deductibles,  coinsurance  or  copayments  that  may  be  due.  Commencing  on
January 1, 2018, the Company recognizes revenue in accordance with ASC 606, Revenue from Contracts with Customers, or ASC 606, which requires that
an  entity  recognize  revenue  when  it  transfers  promised  goods  or  services  to  customers  in  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  the  provisions  of  ASC  606  using  the  modified  retrospective
application  method  applied  to  all  contracts,  which  did  not  impact  amounts  previously  reported  by  the  Company,  nor  did  it  require  a  cumulative  effect
adjustment upon adoption, as the Company’s method of recognizing revenue under ASC 606 was analogous to the method utilized immediately prior to
adoption. Accordingly, there is no need for the Company to disclose the amount by which each financial statement line item was affected as a result of
applying the new standard and an explanation of significant changes.

Contracts

For its commercial revenues, while the Company markets directly to physicians, its customer is the patient. Patients do not enter into direct agreements
with the Company, however, a patient’s insurance coverage requirements would dictate whether or not any portion of the cost of the tests would be patient
responsibility. Accordingly, the Company establishes contracts with commercial insurers in accordance with customary business practices, as follows:

•

•

•

•

•

Approval of a contract is established via the order and accession, which are submitted by the patient’s physician.

The Company is obligated to perform its diagnostic services upon receipt of a sample from a physician, and the patient and/or applicable
payer are obligated to reimburse the Company for services rendered based on the patient’s insurance benefits.

Payment  terms  are  a  function  of  a  patient’s  existing  insurance  benefits,  including  the  impact  of  coverage  decisions  with  the  Center  of
Medicare and Medicaid Services, or CMS, and applicable reimbursement contracts established between the Company and payers, unless the
patient is a self-pay patient, whereby the Company bills the patient directly after the services are provided.

Once the Company delivers a patient’s assay result to the ordering physician, the contract with a patient has commercial substance, as the
Company is legally able to collect payment and bill an insurer and/or patient, regardless of payer contract status or patient insurance benefit
status.

Consideration  associated  with  commercial  revenues  is  considered  variable  and  constrained  until  fully  adjudicated,  with  net  revenues
recorded to the extent that it is probable that a significant reversal will not occur.

88

 
 
 
 
 
 
 
 
 
 
The  Company’s  development  services  revenues  are  supported  by  contractual  agreements  and  generated  from  assay  development  services  provided  to
entities, as well as certain other diagnostic services provided to physicians, and revenues are recognized upon delivery of the performance obligations in the
contract.

Performance Obligations

A  performance  obligation  is  a  promise  in  a  contract  to  transfer  a  distinct  good  or  service,  or  a  bundle  of  goods  or  services,  to  the  customer.  For  its
commercial  and  development  services  revenues,  the  Company’s  contracts  have  a  single  performance  obligation,  which  is  satisfied  upon  rendering  of
services, which culminates in the delivery of a patient’s assay result(s) to the ordering physician or entity. The duration of time between accession receipt
and delivery of a valid assay result to the ordering physician or entity is typically less than two weeks. Accordingly, the Company elected the practical
expedient and therefore, does not disclose the value of unsatisfied performance obligations.

Transaction Price

The  transaction  price  is  the  amount  of  consideration  that  the  Company  expects  to  collect  in  exchange  for  transferring  promised  goods  or  services  to  a
customer,  excluding  amounts  collected  on  behalf  of  third  parties,  such  as  sales  taxes.  The  consideration  expected  from  a  contract  with  a  customer  may
include  fixed  amounts,  variable  amounts,  or  both.  The  Company’s  gross  commercial  revenues  billed,  and  corresponding  gross  accounts  receivable,  are
subject to estimated deductions for such allowances and reserves to arrive at reported net revenues, which relate to differences between amounts billed and
corresponding amounts estimated to be subsequently collected, and is deemed to be variable although the variability is not explicitly stated in any contract.
Rather, the implied variability is due to several factors, such as the payment history or lack thereof for third-party payers, reimbursement rate changes for
contracted  and  non-contracted  payers,  any  patient  co-payments,  deductibles  or  compliance  incentives,  the  existence  of  secondary  payers  and  claim
denials. The Company estimates the amount of variable consideration using the most likely amount approach to estimating variable consideration for third-
party payers, including direct patient bills, whereby the estimated reimbursement for services are established by payment histories on CPT codes for each
payer, or similar payer types. When no payment history is available, the value of the account is estimated at Medicare rates, with additional other payer-
specific reserves taken as appropriate. Collection periods for billings on commercial revenues range from less than 30 days to several months, depending on
the contracted or non-contracted nature of the payer, among other variables. The estimates of amounts that will ultimately be realized from commercial
diagnostic services for non-contracted payers require significant judgment by management.

The Company limits the amount of variable consideration included in the transaction price to the unconstrained portion of such consideration. Revenue is
recognized up to the amount of variable consideration that is not subject to a significant reversal until additional information is obtained or the uncertainty
associated with the additional payments or refunds is subsequently resolved. Differences between original estimates and subsequent revisions, including
final settlements, represent changes in the estimate of variable consideration and are included in the period in which such revisions are made. The Company
monitors its estimates of transaction price to depict conditions that exist at each reporting date. If the Company subsequently determines that it will collect
more consideration than it originally estimated for a contract with a customer, it will account for the change as an increase in the estimate of the transaction
price in the period identified as an increase to revenue. Similarly, if the Company subsequently determines that the amount it expects to collect from a
customer is less than it originally estimated, it will generally account for the change as a decrease in the estimate of the transaction price as a decrease to
revenue, provided that such downward adjustment does not result in a significant reversal of cumulative revenue recognized. Revenue recognized from
changes in transaction prices was not significant during the years ended December 31, 2018 and 2019.

Allocate Transaction Price

For  the  Company’s  commercial  revenues,  the  entire  transaction  price  is  allocated  to  the  single  performance  obligation  contained  in  a  contract  with  a
customer. For the Company’s development services revenues, the contracted transaction price is allocated to each single performance obligation contained
in a contract with a customer as performed.

89

Point-in-time Recognition

The Company’s single performance obligation is satisfied at a point in time, and that point in time is defined as the date a patient’s successful assay result is
delivered to the patient’s ordering physician or entity. The Company considers this date to be the time at which the patient obtains control of the promised
diagnostic assay service. 

Contract Balances

The timing of revenue recognition, billings and cash collections results in accounts receivable recorded in the Company’s balance sheets. Generally, billing
occurs subsequent to delivery of a patient’s test result to the ordering physician or entity, resulting in an account receivable.  

Practical Expedients

The Company does not adjust the transaction price for the effects of a significant financing component, as at contract inception, the Company expects the
collection cycle to be one year or less.

The  Company  expenses  sales  commissions  when  incurred  because  the  amortization  period  is  one  year  or  less,  which  are  recorded  within  sales  and
marketing expenses.  

The Company incurs certain other costs that are incurred regardless of whether a contract is obtained. Such costs are primarily related to legal services and
patient communications. These costs are expensed as incurred and recorded within general and administrative expenses. 

Disaggregation of Revenue and Concentration of Risk

The composition of the Company’s net revenues recognized during the years ended December 31, 2018 and 2019, disaggregated by source and nature, are
as follows:

Net revenues from contracted payers*
Net revenues from non-contracted payers
Development services revenues
Kits and Blood Collection Tubes (BCT)
Total net revenues

*Includes Medicare and Medicare Advantage, as reimbursement amounts are fixed.

Net commercial revenues recognized upon delivery
Development services revenues recognized upon delivery
Kits and Blood Collection Tubes (BCT)
Total net revenues

90

For the year ended December 31,
2018

2019

1,348,383    $
1,693,739   
198,736   
9,440   
3,250,298 

 $

2,071,961 
3,044,249 
212,344 
200,012 
5,528,566

For the year ended December 31,
2018

2019

3,042,122    $
198,736   
9,440   
3,250,298 

 $

5,116,210 
212,344 
200,012 
5,528,566

  $

 $

  $

 $

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
The composition of the Company’s gross and net revenues recognized during the years ended December 31, 2018 and 2019 is as follows:

For the year ended December 31,
2018

Commercial revenues recognized upon delivery
Development services revenues recognized upon delivery
Kits and Blood Collection Tubes (BCT)
Total gross revenues
Provisions for contractual discounts
Provisions for aged non-patient receivables
Provisions for estimated patient receivables
Provisions for other payer-specific sales allowances
Net revenues

  $

  $

12,495,709    $
198,736   
9,440   
12,703,885   
(3,937,993)  
(326,137)  
(66,470)  
(5,122,987)  
3,250,298    $

2019
18,895,657 
212,344 
200,012 
19,308,013 
(3,993,402)
(922,151)
(7,342)
(8,856,552)
5,528,566

A summary of activity in the Company’s gross and net accounts receivable balances, as well as corresponding reserves, during the year ended December
31, 2018 and 2019 is as follows:

Accounts receivable, gross
Reserve for contractual discounts
Reserve for aged non-patient receivables
Reserve for estimated patient receivables
Reserve for other payer-specific sales allowances

Balance at

December 31,

Amounts

Recognized

Settlements

Upon

Balance at

December 31,

  $

2017

Upon Delivery

Adjudication

6,937,063    $
(1,974,849)    
(452,088)    
(88,120)    

12,835,371    $
(3,214,615)    
(994,542)    
(135,955)    

(11,889,832)   $
3,011,989     
880,682     
208,598     

2018

7,882,602 
(2,177,475)
(565,948)
(15,477)

(3,228,580)

(5,239,961)    

4,919,164     

(3,549,377)

Accounts receivable, net

  $

1,193,426    $

3,250,298    $

(2,869,399)   $

1,574,325  

Accounts receivable, gross
Reserve for contractual discounts
Reserve for aged non-patient receivables
Reserve for estimated patient receivables
Reserve for other payer-specific sales allowances
Accounts receivable, net

Cash

Balance at

December 31,

Amounts

Recognized

Settlements

Upon

Balance at

December 31,

  $

  $

2018

Upon Delivery

Adjudication

7,882,602    $
(2,177,475)  
(565,948)  
(15,477)  
(3,549,377)  
1,574,325    $

19,001,873    $
(12,098,297)  
(287,832)  
(111,572)  
(975,606)  
5,528,566    $

(10,030,090)   $
10,449,272   
(646,247)  
121,974   
(3,470,722)  
(3,575,813)   $

2019
16,854,385 
(3,826,500)
(1,500,027)
(5,075)
(7,995,705)
3,527,078  

The  Company  places  its  cash  with  reputable  financial  institutions  that  are  insured  by  the  Federal  Deposit  Insurance  Corporation,  or  FDIC.  At  times,
deposits held may exceed the amount of insurance provided by the FDIC. The Company has not experienced any losses in its cash and believes they are not
exposed to any significant credit risk.

Fair Value Measurements

The Company uses a three-tier fair value hierarchy to prioritize the inputs used in the Company’s fair value measurements. These tiers include: Level 1,
defined  as  observable  inputs  such  as  quoted  prices  in  active  markets  for  identical  assets;  Level  2,  defined  as  inputs  other  than  quoted  prices  in  active
markets that are either directly or indirectly observable;

91

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
 
 
 
 
 
   
   
 
 
 
 
 
   
   
 
   
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
and Level 3, defined as unobservable inputs  in  which  little  or  no  market  data  exists,  therefore  requiring  an  entity  to  develop  its  own  assumptions. The
Company believes the carrying amount of cash, accounts receivable, accounts payable and accrued expenses approximate their estimated fair values due to
the  short-term  maturities  of  these  financial  instruments.  See  Note  5  for  further  details  about  the  inputs  and  assumptions  used  to  determine  fair  value
measurements.

Concentration of Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist principally of temporary cash investments.

Concentrations  of  credit  risk  with  respect  to  revenues  are  primarily  limited  to  geographies  to  which  the  Company  provides  a  significant  volume  of  its
services, and to specific third-party payers of the Company’s services such as Medicare, insurance companies, and other third-party payers. The Company’s
client base consists of a large number of geographically dispersed clients diversified across various customer types.

The Company's third-party payers that represent more than 10% of total net revenues in any period presented, as well as their related net revenue amount as
a percentage of total net revenues, during the years ended December 31, 2018 and 2019 were as follows:

Medicare and Medicare Advantage
Blue Cross Blue Shield
United Healthcare

For the year ended December 31,

2018

2019

39%  
11%  
17%  

38%
21%
8%

The  Company's  third-party  payers  that  represent  more  than  10%  of  total  net  accounts  receivable,  and  their  related  net  accounts  receivable  balance  as  a
percentage of total net accounts receivable, at December 31, 2018 and 2019 were as follows:

Blue Cross Blue Shield
Medicare and Medicare Advantage
United Healthcare

For the year ended December 31,

2018

2019

22%  
17%  
15%  

26%
17%
12%

The Company operates in one reportable business segment and historically has derived most revenues only from within the United States.

Certain components used in the Company’s current or planned products are currently sourced from one supplier, for which alternative suppliers exist but
the  Company  has  not  validated  the  product(s)  of  such  alternative  supplier(s),  and  substitutes  for  these  components  may  not  be  obtained  easily  or  may
require substantial design or manufacturing modifications.

Inventories

Inventories are valued at the lower of cost or net realizable value. Cost is determined by the average cost method. The Company records adjustments to its
inventory for estimated obsolescence or diminution in net realizable value equal to the difference between the cost of the inventory and the estimated net
realizable value. At the point of loss recognition, a new cost basis for that inventory is established, and subsequent changes in facts and circumstances do
not  result  in  the  restoration  or  increase  in  that  newly  established  cost  basis.  In  addition,  the  Company  records  a  liability  for  firm,  non-cancelable,  and
unconditional  purchase  commitments  with  contract  manufacturers  and  suppliers  for  quantities  in  excess  of  the  Company’s  future  demand  forecasts
consistent with its valuation of excess and obsolete inventory.

92

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Fixed Assets

Fixed assets consist of machinery and equipment, furniture and fixtures, computer equipment and software, leasehold improvements, financed equipment
and construction in-process. Fixed assets are stated at cost less accumulated depreciation and amortization. Additions, improvements, and major renewals
are  capitalized.  Maintenance,  repairs,  and  minor  renewals  are  expensed  as  incurred.  Depreciation  and  amortization  are  recorded  using  the  straight-line
method over the estimated useful lives of the assets, which range from three to seven years. Leasehold improvements are amortized over the life of the
lease  or  the  asset,  whichever  is  shorter.  Depreciation  and  amortization  expense  for  the  years  ended  December  31,  2018  and  2019  was  approximately
$801,000 and $932,000, respectively.

Upon sale or disposal of fixed assets, the accounts are relieved of the cost and the related accumulated depreciation or amortization with any gain or loss
recorded to the statement of operations and comprehensive loss.

Fixed assets are reviewed for impairment whenever changes in circumstances indicate that the carrying amount of an asset may not be recoverable. These
computations  utilize  judgments  and  assumptions  inherent  in  the  estimates  of  future  cash  flows  to  determine  recoverability  of  these  assets.  If  the
assumptions about these assets were to change as a result of events or circumstances, the Company may be required to record an impairment loss. There
had been no impairment losses recorded in 2018 and 2019.

Stock-based Compensation

The Company measures and recognizes compensation expense for all stock-based awards made to employees and directors based on their grant date fair
values. The Company estimates the fair value of stock option awards on the date of grant using the Black-Scholes option pricing model, while the fair value
of restricted stock unit awards, or RSUs, is determined by the Company’s stock price on the date of grant. The value of the portion of the award that is
ultimately expected to vest is recognized as expense over the requisite service periods using the straight-line method. In addition, the Company estimates
forfeitures at the time of grant and revises these estimates in subsequent periods if actual forfeitures differ from those estimates (see Note 10).

The Company determines the fair value of the stock-based compensation awards granted as either the fair value of the consideration received, or the fair
value  of  the  equity  instruments  issued,  whichever  is  more  reliably  measurable.  All  issuances  of  equity  instruments  issued  to  non-employees  as
consideration for goods or services received by the Company are accounted for based on the fair value of the equity instruments issued. These awards are
recorded in expense and additional paid-in capital in shareholders’ equity over the applicable service periods based on the fair value of the options at the
end of each period.

Calculating the fair value of stock-based awards requires the input of highly subjective assumptions into the Black-Scholes valuation model. Stock-based
compensation  expense  is  calculated  using  the  Company’s  best  estimates,  which  involves  inherent  uncertainties,  and  the  application  of  management’s
judgment. Significant estimates include the expected life of the stock option, stock price volatility and risk-free interest rate.

Research and Development

Research and development costs are expensed as incurred. The amounts expensed in the years ended December 31, 2018 and 2019 were approximately
$4,469,000 and $4,697,000, respectively, which includes salaries of research and development personnel.

Income Taxes

The Company provides for income taxes utilizing the liability method. Under the liability method, current income tax expense or benefit is the amount of
income taxes expected to be payable or refundable for the current year. A deferred income tax asset or liability is computed for the expected future impact
of differences between the financial reporting and tax bases of assets and liabilities and for the expected future tax benefit to be derived from tax credits.
Tax rate changes are reflected in the computation of the income tax provision during the period such changes are enacted.

93

Deferred tax assets are reduced by a valuation allowance when, in management’s opinion, it is more likely than not that some portion or all of the deferred
tax assets will not be realized. The Company considers the scheduled reversal of deferred tax liabilities, projected future taxable income, and tax planning
strategies  in  making  this  assessment.  The  Company’s  valuation  allowance  is  based  on  available  evidence,  including  its  current  year  operating  loss,
evaluation of positive and negative evidence with respect to certain specific deferred tax assets including evaluation sources of future taxable income to
support the realization of the deferred tax assets. The Company has established a full valuation allowance on the deferred tax assets as of December 31,
2018 and 2019, and therefore has not recognized any income tax benefit or expense in the periods presented.

A  tax  benefit  from  uncertain  tax  positions  may  be  recognized  by  the  Company  when  it  is  more-likely-than-not  that  the  position  will  be  sustained  upon
examination, including resolutions of any related appeals or litigation processes, based on the technical merits of the position. Income tax positions must
meet a more-likely-than-not recognition threshold to be recognized.

The  Company  recognizes  interest  and/or  penalties  related  to  income  tax  matters  in  income  tax  expense.  There  is  no  accrual  for  interest  or  penalties  for
income taxes on the balance sheets at December 31, 2018 and 2019, and the Company has not recognized interest and/or penalties in the statements of
operations and comprehensive loss for the years ended December 31, 2018 and 2019.

Recent Accounting Pronouncements

In February 2016, the Financial Accounting Standards Board, or FASB, issued authoritative guidance, which changes several aspects of the accounting for
leases, including the requirement that all leases with durations greater than twelve months be recognized on the balance sheet. The guidance is effective for
annual and interim reporting periods in fiscal years beginning after December 15, 2018. Effective January 1, 2019, the Company adopted the guidance and
elected the optional transition method to account for the impact of the adoption with a cumulative-effect adjustment in the period of adoption and did not
restate  prior  periods.  The  Company  also  elected  the  practical  expedient  package  as  permitted  under  the  transition  guidance.  As  of  January  1,  2019,  the
Company recorded a right-of-use assets and liabilities upon adoption of the guidance (See Note 7).

In August 2017, the FASB issued authoritative guidance that expands and refines hedge accounting for both nonfinancial and financial risk components and
align the recognition and presentation of the effects of the hedging instrument and the hedged item in the financial statements. This guidance is effective for
fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early application is permitted. The Company adopted this
guidance for the fiscal year beginning on January 1, 2019 and determined that the adoption of this guidance does not have a material impact on its financial
statements or disclosures because the Company does not currently hold any financial instruments accounted for as a hedging activity.

In February 2018, the FASB issued authoritative guidance allowing a reclassification from accumulated other comprehensive income to retained earnings
for stranded tax effects resulting from legislation enacted in 2017, informally titled the Tax Cuts and Jobs Act of 2017. These amendments eliminate the
stranded tax effects resulting from the Tax Cuts and Jobs Act of 2017. However, because these amendments only relate to the reclassification of the income
tax effects of the Tax Cuts and Jobs Act of 2017, the underlying guidance that requires that the effect of a change in tax laws or rates be included in income
from continuing operations is not affected. This guidance also requires certain disclosures about stranded tax effects. This guidance is effective for fiscal
years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted. The Company adopted this guidance
for the fiscal year beginning on January 1, 2019 which did not have a material impact on its financial statements or disclosures because the Company does
not currently maintain any stranded tax effects in accumulated other comprehensive income.

In June 2018, the FASB issued authoritative guidance simplifying the accounting for nonemployee stock-based compensation and largely aligning such
compensation  with  the  accounting  requirements  for  employee  stock-based  awards.  For  public  companies,  this  guidance  is  effective  for  fiscal  years
beginning after December 15, 2018, including interim periods within that fiscal year. The Company adopted this guidance for the fiscal year beginning on
January 1, 2019 and determined that the adoption of this guidance does not have a material impact on its financial statements or disclosures.

In November 2018, the FASB issued authoritative guidance clarifying the interaction between Collaborative Arrangements (Topic 808) and Revenue from
Contracts with Customers (Topic 606) to address diversity in practice related to how

94

companies account for collaborative arrangements. For public companies, this guidance is effective for fiscal years beginning after December 15, 2019,
including interim periods within that fiscal year. Early adoption is permitted, but no earlier than an entity’s adoption date of Revenue from Contracts with
Customers (Topic 606).   The Company currently intends to adopt this guidance upon the effective date and does not anticipate that the adoption of this
guidance will have a material impact on its financial statements or disclosures.

4. Sales of Equity Securities

On January 30, 2018, the Company received net cash proceeds of approximately $13.3 million as a result of the closing of a follow-on public offering of
1,095,153 shares of its common stock and warrants to purchase up to an aggregate of 1,095,153 shares of its common stock at a combined offering price of
$13.50 per unit with $1.4 million of costs directly associated with the offering recorded as an offset to additional paid-in capital under applicable
accounting guidance. At December 31, 2019 all warrants sold in this offering have an exercise price of $0.405 per share, which is subject to down round
adjustment, are exercisable immediately and expire five years from the date issuance. The aggregate estimated grant date fair value of $9.7 million was
recorded as an offset to additional paid-in capital upon the closing of this offering.  

In May 2018, the SEC declared effective a shelf registration statement filed by the Company, which expires in May 2021. The shelf registration statement
allows the Company to issue any combination of our common stock, preferred stock, debt securities and warrants from time to time for an aggregate initial
offering price of up to $50 million, subject to certain limitations for so long as our public float is less than $75 million.

On August 13, 2018, the Company completed a rights offering. Pursuant to the rights offering, the Company sold an aggregate of 11,587 units consisting of
an aggregate of 11,587 shares of Series A Preferred Stock and 2,549,140 warrants, with each warrant exercisable for one share of our common stock at an
exercise price of $4.53 per share, resulting in net proceeds to the Company of approximately $10.1 million, after deducting expenses relating to the rights
offering,  including  dealer-manager  fees  and  expenses,  and  excluding  any  proceeds  received  upon  exercise  of  any  warrants.  Each  share  of  Series  A
Preferred Stock will be convertible, at the Company’s option at any time on or after the first anniversary of the closing of the Rights Offering or at the
option of the holder at any time, into the number of shares of the Company’s common stock, par value $0.0001 per share determined by dividing the $1,000
stated value per share of the Series A Preferred Stock by a conversion price of $4.53 per share. In addition, the conversion price per share is subject to
adjustment  for  stock  dividends,  distributions,  subdivisions,  combinations  or  reclassifications.    Holders  of  Series  A  Preferred  Stock  shall  be  entitled  to
receive dividends (on an as-if-converted-to-common-stock basis) in the same form as dividends actually paid on shares of the Common Stock when, as and
if such dividends are paid on shares of Common Stock. The Series A Preferred Stock have no voting rights. Upon the Company’s liquidation, dissolution or
winding-up, whether voluntary or involuntary, holders of Series A Preferred Stock will be entitled to receive out of the assets, whether capital or surplus, of
the Company the same amount that a holder of Common Stock would receive if the Series A Preferred Stock were fully converted (disregarding for such
purpose  any  conversion  limitations  thereunder)  to  Common  Stock,  which  amounts  shall  be  paid  pari  passu  with  all  holders  of  Common  Stock.  The
Company is not obligated to redeem or repurchase any shares of Series A Preferred Stock.

On September 20, 2018, the Company completed an offering of 642,438 shares of the Company’s common stock and prefunded warrants to purchase up to
an aggregate of 120,000 shares of its common stock. The shares were sold at a purchase price of $3.285 per share and the pre-funded warrants were sold at
a purchase price of $3.275 per pre-funded warrant which represents the per share purchase price for the shares less the $0.01 per share exercise price for
each such pre-funded warrant. The net proceeds to the Company from this offering were approximately $2.2 million, after deducting expenses related to the
offering  including  dealer-manager  fees  and  expenses,  and  excluding  any  proceeds  received  upon  exercise  of  any  warrants.  In  addition,  in  a  concurrent
private  placement,  the  Company  issued  to  purchasers  a  warrant  to  purchase  one  share  of  the  Company’s  common  stock  for  each  share  and  pre-funded
warrant purchased for cash in the offering. All warrants issued in this offering have an exercise price of $3.16 per share, are exercisable upon the six-month
anniversary of issuance and expire five years from such date.

On January 18, 2019, the Company completed an offering of 990,000 shares of the Company’s common stock. The shares were sold at a purchase price of
$2.25 per share and the net proceeds to the Company from this offering were approximately $2.0 million, after deducting expenses related to the offering
including dealer-manager fees and expenses.

95

 
 
 
 
On February 12, 2019, the Company received net cash proceeds of approximately $6.6 million as a result of the closing of a follow-on public offering of
6,250,000 shares of its common stock and warrants to purchase up to an aggregate of 6,250,000 shares of its common stock at a combined offering price of
$1.20 per unit. All warrants sold in this offering have an exercise price of $1.20 per share, are exercisable immediately and expire five years from the date
of issuance. In addition, the Company sold warrants to purchase up to an aggregate of 937,500 shares of the Company’s common stock in connection with
the partial exercise of the over-allotment option granted to the underwriters. Upon closing of the transaction, warrants to purchase 915,000 shares were
issued pursuant to the placement agents’ partial exercise of their overallotment. Subsequent to the closing of this offering, no additional cash proceeds have
been received from the exercise of warrants sold in this offering.  On March 11, 2019, the underwriters exercised their overallotment option for 538,867
shares of the Company’s common stock related to the February 12, 2019 follow-on offering, purchasing shares at $1.20 per share for net cash proceeds of
approximately $592,000.

On  March  19,  2019,  the  Company  received  net  cash  proceeds  of  approximately  $7.6  million  as  a  result  of  completing  a  registered  direct  offering  of
5,950,000  shares  at  a  negotiated  purchase  price  of  $1.37  per  share.  In  addition,  in  a  concurrent  private  placement,  the  Company  issued  to  purchasers  a
warrant to purchase one share of the Company’s common stock for each share purchased for cash in the offering.  All warrants issued in this offering have
an exercise price of $1.25 per share, are exercisable immediately upon issuance and expire 5.5 years following the date of issuance.

In  May  2019,  the  Company  received  cash  proceeds  of  approximately  $2.5  million  from  the  exercise  of  2,086,479  February  2019  warrants  at  $1.20  per
share.

On May 28, 2019, the Company entered into Warrant Exercise Agreements, or the Exercise Agreements, with certain of the holders of its existing warrants,
or the Exercising Holders. Pursuant to the Exercise Agreements, the Exercising Holders and the Company agreed that, subject to any applicable beneficial
ownership limitations, the Exercising Holders would cash exercise up to 20% of their Existing Warrants, or the Investor Warrants, into shares of common
stock underlying such Existing Warrants, or the Exercised Shares. In order to induce the Exercising Holders to cash exercise the Investor Warrants, the
Exercise Agreements provided for the issuance of new warrants, or the New Warrants, with such New Warrants to be issued in an amount equal to 75% of
the  number  of  Exercised  Shares  underlying  any  Investor  Warrants  that  was  cash  exercised  by  July  15,  2019.  The  New  Warrants  were  exercisable  upon
issuance and terminate on the date that is five-years and six-months following the initial exercise date. The New Warrants have an exercise price per share
of  $1.31.   A  total  of  2,062,966  Investor  Warrants  were  exercised  contemporaneously  with  the  execution  of  the  Exercise  Agreements  resulting  in  total
proceeds to the Company of $2.3 million, net of investment banking fees. The warrants issued in connection with the Exercise Agreement were considered
inducement warrants and are classified in equity. The fair value of the warrants issued was approximately $1.8 million and the fair value of the inducement
warrants was expensed as warrant inducement expense in the accompanying statement of operations for the year ended December 31, 2019.   

On  July  15,  2019,  the  Company  entered  into  amendments  (the  “Amendments”)  to  the  Exercise  Agreements.    Pursuant  to  the  Amendments,  the  period
during which the Exercising Holders may elect to exercise for cash the Existing Warrants in exchange for new warrants to purchase common stock to be
issued in an amount equal to 75% of the number of shares of common stock exercised under the Existing Warrants was extended from July 15, 2019 to July
31, 2019.  There were no additional warrants exercised under the Amendments during the remainder of 2019.

In December 2019, the Company received net cash proceeds from an underwritten offering of approximately $8.9 million from the issuance of 19,200,000
shares of common stock, pre-funded warrants to purchase 5,400,000 shares of common stock, and warrants to purchase an aggregate of 24,600,000 shares
of common stock.  Each share was sold together with a common warrant to purchase one share of common stock at a combined price of $0.405 per share of
common stock and accompanying warrant. Each pre-funded warrant was sold together with a common warrant to purchase one share of common stock at a
combined price of $0.395 per pre-funded warrant and accompanying warrant.  Each prefunded warrant had an exercise price of $0.01 per share and was
exercisable immediately upon issuance and expired when exercised in full.  In addition, underwriters were granted an option to purchase up to an additional
3,690,000  shares  of  common  stock  and/or  common  warrants.    Common  warrants  issued  in  this  offering  have  an  exercise  price  of  $0.405  per  share,  are
exercisable  immediately  upon  issuance  and  expire  5  years  following  the  date  of  issuance.  In  addition,  the  common  warrants  have  a  cashless  exercise
provision, pursuant to which holders can exercise the warrant without cash payment for 50% of the number of shares of common stock that would issuable
upon exercise of the common warrant if such exercise were by means of a

96

 
 
 
cash exercise rather than a cashless exercise.  Pursuant to the cashless exercise provision in the common warrants, 14.2 million common warrants were
exercised for 7.1 million shares of common stock as of December 31, 2019.

Pursuant to the down round adjustment feature of the January 2018 warrants, the exercise price of these warrants was adjusted to the $1.20 price per share
offering price in the February 2019 financing transaction, and to the $0.405 offering price in the December 2019 financing transaction.

5. Fair Value Measurements

The estimated nonrecurring fair value measurements associated with fixed asset purchases recorded as right-of-use asset finance lease obligations totaling
approximately    $632,000  during  the  year  ended  December  31,  2019,  were  calculated  as  the  present  value  of  the  lease  payments  based  on  contractual
payment amounts and estimated market rates.  Upon adoption of guidance in ASC Topic 842 Leases, the estimated fair value of the right-of-use operating
lease asset was recorded based on the present value of future lease payments based on contractual payment amounts and estimated market rates in effect.

Other Fair Value Measurement   

As  of  the  closing  of  the  Company’s  January  30,  2018  offering,  the  grant  date  fair  value  of  the  warrants  issued  to  purchase  up  to  1,095,153  shares  of
common stock was estimated to be approximately $8.82 per share, or a total of approximately $9.7 million was recorded as an offset to additional paid-in
capital on a relative fair value basis. The warrants sold in this offering currently have an exercise price of $0.405 per share, which is subject to down round
adjustment, and expire five years from the date of issuance. The fair value of the warrants was estimated using a Monte Carlo simulation valuation model
using Geometric Brownian Motion, incorporating anticipated future financing events, with the following assumptions:

Beginning stock price
Exercise price
Expected dividend yield
Discount rate-bond equivalent yield
Expected life (in years)
Expected volatility

$
$

10.17 
15.00 

0.00%
2.48%
5.00 
99.00%

As of the closing of the Company’s August 13, 2018 rights offering, the grant date fair value of the warrants issued to purchase up to 2,549,140 shares of
common stock was estimated to be approximately $3.30 per share, or a total of approximately $8.4 million, was recorded as an offset to additional paid-in
capital on a relative fair value basis. The warrants sold in this offering have an exercise price of $4.53 per share and expire five years from the date of
issuance. The fair value of the warrants was estimated using a Black-Scholes model, incorporating the following assumptions:

Beginning stock price
Exercise price
Expected dividend yield
Discount rate-bond equivalent yield
Expected life (in years)
Expected volatility

$
$

3.89 
4.53 
0.00%
2.75%
5.00 
128.69%

As  of  the  closing  of  the  Company’s  September  20,  2018  offering,  the  grant  date  fair  value  of  the  warrants  issued  to  purchase  up  to  762,438  shares  of
common stock was estimated to be approximately $2.57 per share, or a total of approximately $2.0 million was recorded as an offset to additional paid-in
capital on a relative fair value basis. The warrants sold in this offering have an exercise price of $3.16 per share, and expire five years from the initial
exercise  date,  which  is  the  six-month  anniversary  of  the  date  of  issuance.  The  fair  value  of  the  warrants  was  estimated  using  a  Black-Scholes  model,
incorporating the following assumptions:

Beginning stock price
Exercise price
Expected dividend yield

$
$

2.92 
3.16 
0.00%

97

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Discount rate-bond equivalent yield
Expected life (in years)
Expected volatility

2.77%
5.50 
130.7%

Also, included in the September 20, 2018 offering the Company issued 120,000 pre-funded warrants.  The pre-funded warrants had an intrinsic value of
$350,000, were subsequently fully exercised and are no longer outstanding as of December 31, 2019.  

As of the closing of the Company’s February 12, 2019 offering, the estimated grant date fair value of approximately $0.95 per share associated with the
warrants to purchase up to 7,165,000 shares of common stock issued in this offering, or a total of approximately $6.8 million, was recorded as an offset to
additional  paid-in  capital  on  a  relative  fair  value  basis.  All  warrants  sold  in  this  offering  have  an  exercise  price  of  $1.20  per  share,  are  exercisable
immediately and expire five years from the date of issuance. The fair value of the warrants was estimated using a Black-Scholes model with the following
assumptions:

Beginning stock price
Exercise price
Expected dividend yield

$
$

Discount rate-bond equivalent yield  

Expected life (in years)
Expected volatility

1.05 
1.20 
0.00%

2.49%

5.00 
147.7%

As  of  the  closing  of  the  Company’s  March  19,  2019  offering,  the  estimated  grant  date  fair  value  of  approximately  $1.01  per  share  associated  with  the
warrants to purchase up to 5,950,000 shares of common stock issued in this offering, or a total of approximately $6.0 million, was recorded as an offset to
additional  paid-in  capital  on  a  relative  fair  value  basis.  All  warrants  sold  in  this  offering  have  an  exercise  price  of  $1.25  per  share,  are  exercisable
immediately and expire 5.5 years from the date of issuance. The fair value of the warrants was estimated using a Black-Scholes model with the following
assumptions:

 Beginning stock price
Exercise price
Expected dividend yield

$
$

Discount rate-bond equivalent yield  

Expected life (in years)
Expected volatility

1.12 
1.25 
0.00%

2.44%

5.50 
140.0%

As of the closing of the Company’s May 30, 2019 warrant inducement transaction, the estimated grant date fair value of approximately $1.18 per share
associated  with  the  warrants  to  purchase  up  to  1,547,226  shares  of  common  stock  issued  in  this  offering,  or  a  total  of  approximately  $1.8  million,  was
recorded as a warrant inducement expense with an offset to additional paid-in capital. All warrants issued in this warrant inducement transaction have an
exercise price of $1.31 per share, are exercisable immediately and expire 5.5 years from the date of issuance. The fair value of the warrants was estimated
using a Black-Scholes model with the following assumptions:

Beginning stock price
Exercise price
Expected dividend yield

$
$

Discount rate-bond equivalent yield  

Expected life (in years)
Expected volatility

1.29 
1.31 
0.00%

2.05%

5.50 
145.9%

As of the closing of the Company’s December 11, 2019 offering, the grant date fair value of the warrants issued to purchase up to 26,527,500 shares of
common stock were estimated to be approximately $0.24 per share, or a total of approximately $6.4 million, was recorded as an offset to additional paid-in
capital on a relative fair value basis. The warrants sold in this

98

 
 
 
 
 
 
 
 
 
 
 
 
 
offering are exercisable immediately, have  an  exercise  price  of  $0.405  per  share  and  expire  five  years  from  the  date  of  issuance.  The  fair  value  of  the
warrants was estimated using a Black-Scholes model, incorporating the following assumptions:

Beginning stock price
Exercise price
Expected dividend yield

$
$

Discount rate-bond equivalent yield  

Expected life (in years)
Expected volatility

0.27 
0.405 

0.00%

1.64%

5.00 
153.7%

Also, included in the December 11, 2019 offering the Company issued 5,400,000 pre-funded warrants.  The pre-funded warrants had an intrinsic value of
$1.4 million, were subsequently fully exercised and are no longer outstanding as of December 31, 2019.

6. Balance Sheet Details

The following provides certain balance sheet details:

Fixed Assets

Machinery and equipment
Furniture and office equipment
Computer equipment and software
Leasehold improvements
Financed equipment
Construction in process

Less accumulated depreciation and amortization
Total fixed assets, net

Accrued Liabilities
Accrued payroll
Accrued vacation
Accrued bonuses
Accrued sales commissions
Current portion of deferred rent
Accrued other
Total accrued liabilities

December 31,
2018

December 31,
2019

 $

 $

 $

 $

2,818,583 
157,391 
1,437,408 
570,173 
2,573,955 
116,640 
7,674,150 
(4,934,728)
2,739,422 

255,426 
535,682 
712,574 
62,767 
158,342 
203,602 
1,928,393 

 $

 $

 $

 $

2,857,538 
156,987 
1,552,891 
570,173 
— 
625,038 
5,762,627 
(4,258,297)
1,504,330 

298,855 
622,792 
748,742 
89,562 
— 
220,253 
1,980,204

7. April 2014 Credit Facility

On April 30, 2014, the Company received net cash proceeds of approximately $4,898,000 pursuant to the execution of the April 2014 Credit Facility. Upon
the entry into the April 2014 Credit Facility, the Company was required to pay the lender a facility fee of $50,000 in conjunction with the funding of the
term loan. The April 2014 Credit Facility was secured by substantially all of the Company’s personal property other than its intellectual property. The term
loan under the April 2014 Credit Facility bore interest at an annual rate of 7.95%. The Company was required to make interest-only payments on the term
loan through August 1, 2015. The outstanding term loan under the April 2014 Credit Facility began amortizing at the end of the applicable interest-only
period,  with  monthly  payments  of  principal  and  interest  being  made  by  the  Company  to  the  lender  in  consecutive  monthly  installments  following  such
interest-only period. The term loan under the April 2014 Credit Facility matured on July 1, 2018. Under the original terms of the underlying agreement, the
Company was also

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required to make a final payment to the lender equal to 5.5% of the original principal amount of the term loan funded.   Upon maturity and final payoff of
the April 2014 Credit Facility on July 1, 2018, security interest in the Company’s personal property was released by the lender.

A warrant to purchase up to 588 shares of the Company’s common stock at an exercise price of $424.80 per share with a term of 10 years was issued to
Oxford Finance LLC on April 30, 2014. Issuance costs of approximately $102,000 associated with the term loan under the April 2014 Credit Facility were
recorded as a discount to outstanding debt as of the closing date, resulting in net proceeds of approximately $4,898,000. The estimated fair value of the
warrant issued of approximately $233,000 was also recorded as a discount to outstanding debt as of the closing date. The discounts and other issuance costs
are amortized to interest expense utilizing the effective interest method over the underlying term of the loan.    

8. Leases

Effective  January  1,  2019,  the  Company  adopted  US  GAAP  accounting  rules  in  ASC  Topic  842,  Leases  (ASC  842),  using  the  modified  retrospective
method.  The Company elected to follow the package of practical expedients provided under the transition guidance within ASC 842, and accordingly, did
not reassess whether any expired or existing contracts are or contain leases, did not reassess expired or existing leases, and did not reassess initial direct
costs for any existing leases.  Upon adoption, the Company recorded an operating lease right-of-use asset and an operating lease liability on the balance
sheet.  In addition, assets under equipment leases previously classified as capital leases within Property, Plant and Equipment on the Company’s balance
sheet were reclassified to finance lease right-of-use assets upon adoption of the guidance.  Right-of-use assets and obligations were recognized based on the
present  value  of  remaining  lease  payments  over  the  lease  term.    As  the  Company’s  operating  lease  does  not  provide  an  implicit  rate,  an  estimated
incremental borrowing rate was used based on the information available at the adoption date in determining the present value of lease payments.  Operating
lease  expense  is  recognized  on  a  straight-line  basis  over  the  lease  term.   Variable  lease  costs  such  as  common  area  costs  and  other  operating  costs  are
expensed as incurred.  Leases with an initial term of 12 months or less are not recorded on the balance sheet.  

Finance Leases

The  Company  leases  certain  laboratory  equipment  under  arrangements  previously  accounted  for  as  capital  leases,  classified  on  the  Company’s  balance
sheet as fixed assets and related lease liabilities and depreciated on a straight-line basis over the lease term. Upon adoption of ASC 842, leased equipment
previously  classified  as  fixed  assets  totaling  $1.4  million  in  net  book  value  were  reclassified  to  lease  right-of-use  assets  in  accordance  with  the
guidance.    The  equipment  under  finance  leases  is  depreciated  on  a  straight-line  basis  over  periods  ranging  from  5  to  7  years.  The  total  gross  value  of
equipment  capitalized  under  such  lease  financing  arrangements  was  approximately  $2,574,000  and  $3,125,000  at  December  31,  2018  and  2019,
respectively.  Total  accumulated  depreciation  related  to  equipment  under  finance  leases  was  approximately  $1,135,000  and  $1,606,000  at  December  31,
2018  and  2019,  respectively,  and  total  depreciation  expense  was  approximately  $376,000  and  $454,000,  at  December  31,  2018  and  2019,  respectively.
Fixed asset purchases totaling approximately $279,000 and $633,000 during the years ended December 31, 2018 and 2019, respectively, were recorded as
finance leases.   

On January 31, 2019, the Company executed a finance lease commitment with a third-party lender for total amount of approximately $149,000, which was
funded by the lender on February 1, 2019. Under the terms of the equipment financing agreement, which was accounted for as a finance lease transaction,
the  principal  balance  plus  interest  for  the  equipment  are  to  be  repaid  in  full  after  36  monthly  installments  of  $5,013  totaling  approximately  $180,000
through February 2022.

In July 2019, a finance lease commitment was executed with a third-party lender for the total amount of approximately $100,000, which was accounted for
as a finance lease transaction with the principal balance plus interest for the equipment to be repaid in full after 48 monthly installments of $2,706 totaling
approximately $130,000 through May 2023.

In August 2019, a finance lease commitment was executed with a third-party lender for the total amount of approximately $245,000, which was accounted
for  as  a  finance  lease  transaction  with  the  principal  balance  plus  interest  for  the  equipment  to  be  repaid  in  full  after  36  monthly  installments  of  $8,253
totaling approximately $297,000 through August 2022.

In September 2019, a finance lease commitment was executed with a third-party lender for the total additional amount of approximately $89,000, which
was accounted for as a finance lease transaction with the principal balance plus interest for the equipment to be repaid in full after 60 monthly installments
of $1,770 totaling approximately $106,000 through September 2024.

100

     
 
 
In December 2019, two finance lease commitments were executed with third-party lenders. The first with a total principal of $28,000, 60-month term and
$597 monthly payments totaling approximately $36,000 over the lease term.  The second finance lease had a total principal of $22,000, 48-month lease
term and $563 monthly payments totaling approximately $27,000 over the lease term. Both of these transactions were accounted for as finance leases.  

Operating Lease

The Company leases its primary laboratory and office facilities in San Diego, California.  This lease is classified as an operating lease in accordance with
the ASC 842 guidance.  The average monthly cash payment for the operating lease is approximately $120,000 per month, and the lease term ends on July
31, 2020.  The Company recorded a lease right-of-use asset and lease liability of $1,930,000 and $2,201,000, respectively, as of January 1, 2019, based on
the present value of payments and an incremental borrowing rate of 4.5%.

In addition, the Company reviews agreements at inception to determine if they include a lease, and when they do, uses its incremental borrowing rate or
implicit interest rate to determine the present value of the future lease payments.

The following schedule sets forth the components of right-of-use lease assets as of December 31, 2018 and 2019 as follows:

Lease right-of-use assets:

Operating
Finance
Total

December 31,
2018

December 31,
2019

$

$

—   
—   
— 

$

 $

729,330 
1,606,387 
2,335,717

The following schedule sets forth the current portion of operating and finance lease liabilities as of December 31, 2018 and 2019:

Current  portion of lease liability:

Operating
Finance
Total

December 31,
2018

December 31,
2019

$

$

—   
—   
— 

$

 $

842,452 
724,329 
1,566,781

The following schedule sets forth the long-term portion of operating and finance lease liabilities as of December 31, 2018 and 2019:

Long-term portion of lease liability:

Operating
Finance
Total

December 31,
2018

December 31,
2019

$

$

—   
—   
— 

$

 $

— 
973,189 
973,189

The following schedule represents the components of lease expense for the years ended December 31, 2018 and 2019:

Lease cost
Finance lease cost

Amortization of right-of-use assets
Interest on lease liabilities

Operating lease cost

Total

For the years ended December 31,

2018

2019

—   
—   
—   
— 

$

 $

470,486 
249,984 
1,272,024 
1,992,494

$

$

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The following schedule sets forth the remaining future minimum lease payments outstanding under finance and operating leases, as well as corresponding
remaining sales tax and maintenance obligation payments that are expensed as incurred and due within each respective year ending December 31, as well
as the present value of the total amount of the remaining minimum lease payments, as of December 31, 2019:

2020
2021
2022
2023
Thereafter
Total payments
Less amount representing interest
Present value of payments

Finance

Minimum

  Maintenance and  

Lease

  Sales Tax Obligation  

Payments

Payments

Operating

Minimum

Lease

Payments

$

$

779,049    $
531,846   
408,396   
284,380   
69,674   
2,073,345   
(375,827)  
1,697,518    $

90,260    $
69,053   
57,499   
58,098   
9,536   
284,446   
—   
284,446    $

855,136 
— 
— 
— 
— 
855,136 
(12,684)
842,452  

The following schedule sets forth supplemental cash flow information related to operating and finance leases as of December 31, 2019:

Other information

Operating cash flows from finance leases
Operating cash flows from operating leases
Financing cash flows from finance leases

For the year ended December 31,
2019

$
$
$

249,984 
1,430,366 
539,415

The aggregate weighted average remaining lease term was 3.02 years on finance leases and 0.59 years on operating leases as of December 31, 2019.  The
aggregate weighted average discount rate was 21.93% on finance leases and 4.5% on operating leases as of December 31, 2019.   

9. Supplier Financings

In 2018 and 2019, the Company obtained third-party financing for certain business insurance premiums. The 2018 and 2019 financings bore interest at
rates ranging from 4.40% to 6.20% per annum, and all financings were due within one year.  As of December 31, 2018 and 2019 there were no balances
outstanding under this arrangement.

10. Stock-Based Compensation

Equity Incentive Plans

The  Company  maintains  two  equity  incentive  plans:  The  Amended  and  Restated  2013  Equity  Incentive  Plan,  or  the  2013  Plan,  and  the  2007  Equity
Incentive Plan, or the 2007 Plan. The 2013 Plan includes a provision that shares available for grant under the Company’s 2007 Plan become available for
issuance under the 2013 Plan and are no longer available for issuance under the 2007 Plan.

At  the  Company’s  annual  meeting  of  stockholders  held  on  June  28,  2018,  the  Company’s  stockholders  approved  amendments  to  the  2013  Plan,  which
included  an  increase  in  the  number  of  non-inducement  shares  of  common  stock  authorized  for  issuance  under  the  2013  Plan  by  146,666  shares.  At  the
Company’s  annual  meeting  of  stockholders  held  on  June  17,  2019,  the  Company’s  stockholders  approved  additional  amendments  to  the  2013  Plan
including the increase in the number of non-inducement shares of common stock authorized for issuance under the 2013 Plan by 2,800,000 shares.  As of
December 31, 2019, 124,211 shares of the Company’s common stock were authorized exclusively for the issuance of stock awards to employees who have
not previously been an employee or director of the Company, except following a bona fide period of

102

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
non-employment, as an inducement material to the individual’s entering into employment with the Company, as defined under applicable Nasdaq Listing
Rules.

As of December 31, 2019, under all plans, a total of 3,064,098 non-inducement shares were authorized for issuance, 2,731,962 shares had been issued with
2,615,503  non-inducement  stock  options  and  restricted  stock  units,  or  RSUs,  underlying  outstanding  awards,  and  332,136  non-inducement  shares  were
available for grant. As of December 31, 2019, 118,368 inducement shares had been issued under the 2013 Plan, with 117,534 inducement stock options and
RSUs underlying outstanding awards and 0 inducement shares available for grant.

Stock Options

Non-performance  options  granted  under  either  plan  vest  over  a  maximum  period  of  four  years  and  expire  ten  years  from  the  date  of  grant.  Non-
performance options generally vest either (i) over four years, 25% on the one-year anniversary of the date of grant and monthly thereafter for the remaining
three years; or (ii) over four years, monthly vesting beginning month-one after the grant and monthly thereafter.

The fair value of stock options is determined on the date of grant using the Black-Scholes valuation model. For non-performance awards, such value is
recognized  as  expense  over  the  requisite  service  period,  net  of  estimated  forfeitures,  using  the  straight-line  method.  The  amount  and  timing  of
compensation expense recognized for performance awards is based on management’s estimate of the most likely outcome and when the achievement of the
performance objectives is probable. The determination of the fair value of stock options is affected by the Company’s stock price, as well as assumptions
regarding a number of complex and subjective variables. The volatility assumption is based on a combination of the historical volatility of the Company’s
common stock and the volatilities of similar companies over a period of time equal to the expected term of the stock options. The volatilities of similar
companies are used in conjunction with the Company’s historical volatility because of the lack of sufficient relevant history for the Company’s common
stock equal to the expected term. The expected term of employee stock options represents the weighted-average period the stock options are expected to
remain  outstanding.  The  expected  term  assumption  is  estimated  based  primarily  on  the  options’  vesting  terms  and  remaining  contractual  life  and
employees’ expected exercise and post-vesting employment termination behavior. The risk-free interest rate assumption is based upon observed interest
rates  on  the  grant  date  appropriate  for  the  term  of  the  employee  stock  options.  The  dividend  yield  assumption  is  based  on  the  expectation  of  no  future
dividend payouts by the Company.

The assumptions used in the Black-Scholes pricing model for options granted during the years ended December 31, 2018 and 2019 are as follows:

Stock and exercise prices
Expected dividend yield
Discount rate-bond equivalent yield
Expected life (in years)
Expected volatility

2018
$0.86 - $6.00
0.00%
2.50% - 3.02%
4.00 - 5.96
100% - 120%

2019
$0.29 - $1.03
0.00%
1.58% - 2.55%
4.00 - 5.96
128% - 156%

Using the assumptions described above, with stock and exercise prices being equal on date of grant, the weighted-average estimated fair value of options
granted in 2018 and 2019 were approximately $1.75 and $0.91 per share, respectively.

103

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
A summary of stock option activity for the years ended December 31, 2018 and 2019 is as follows:

Outstanding at December 31, 2017

Granted
Exercised
Cancelled/forfeited/expired
Outstanding at December 31, 2018

Granted
Exercised
Cancelled/forfeited/expired
Outstanding at December 31, 2019

Vested and unvested expected to vest, December 31, 2019

Number of
Shares

Weighted
Average Exercise
Price Per Share

Weighted
Average
Remaining
Contractual
Term in Years

 $
 $

81,643 
142,587 
— 
(28,410)  $
 $
195,820 

2,676,229 
— 

 $

(140,026)  $
 $
2,732,023 

2,655,129 

 $

113.68 
2.20 
— 
57.96 
41.41 

0.91 
— 
3.70 
3.66 

3.74 

8.80 

9.20 

9.25 

9.25

The intrinsic values of options outstanding, options exercisable, and options vested and unvested expected to vest at December 31, 2018 and 2019 were
each zero.

Restricted Stock

The  fair  value  of  RSUs  awarded  under  either  plan  is  determined  by  the  closing  price  of  the  Company’s  common  stock  on  the  date  of  grant.  For  non-
performance RSUs, such value is recognized as expense over the requisite service period, net of estimated forfeitures, using the straight-line method. The
amount  and  timing  of  compensation  expense  recognized  for  RSUs  is  based  on  management’s  estimate  of  the  most  likely  outcome  and  when  the
achievement of the performance objectives is probable.

A summary of RSU activity during 2018 and 2019 is as follows:

Outstanding at December 31, 2017

Granted
Vested and issued
Forfeited

Outstanding at December 31, 2018

Granted
Vested and issued
Forfeited

Outstanding at December 31, 2019

Vested, December 31, 2019

Number of
Shares

Weighted
Average Grant
Date Fair Value

12,030    $
—    $
(5,835)   $
(5,835)   $
360    $

—    $
—    $
—    $
360    $

360    $

56.10 
0 
45.00 
45.00 
415.80 

— 
— 
— 
415.80 

415.80  

At December 31, 2019, the intrinsic values of RSUs outstanding was approximately $100. Of the 360 RSUs outstanding at December 31, 2019, all were
fully vested.

104

 
 
 
   
   
 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
         
 
 
 
 
 
 
   
   
   
   
   
   
   
   
   
   
    
 
Stock-based Compensation Expense

The  following  table  presents  the  effects  of  stock-based  compensation  related  to  equity  awards  to  employees  and  nonemployees  on  the  statement  of
operations during the periods presented:

Stock Options
Cost of revenues
Research and development expenses
General and administrative expenses
Sales and marketing expenses
Total expenses related to stock options
RSUs
Cost of revenues
Research and development expenses
General and administrative expenses
Sales and marketing expenses
Total stock-based compensation

 $

Years Ended December 31,

2018

2019

 $

46,708 
133,525 
300,433 
78,321 

558,987 

(18,802)   
13,576 
54,302 
15,349 

77,495 
127,844 
517,324 
146,916 

869,579 

— 
— 
— 
— 

 $

623,412 

 $

869,579

Stock-based compensation expense was recorded net of estimated forfeitures of 0% - 8% per annum during the years ended December 31, 2018 and 2019.
As  of  December  31,  2019,  total  unrecognized  share-based  compensation  expense  related  to  unvested  stock  options  and  RSUs,  adjusted  for  estimated
forfeitures, was approximately $2,222,000, and such amount is expected to be recognized over a weighted-average period of approximately 3.11 years.

11. Common Stock Warrants Outstanding

A summary of equity-classified common stock warrant activity, for warrants other than those underlying unexercised overallotment option warrants, during
2018 and 2019 is as follows:

Outstanding at December 31, 2017

Issued
Exercised
Expired

Outstanding at December 31, 2018

Issued
Exercised
Expired

Outstanding at December 31, 2019

Number of

Shares

288,196   
4,526,731   
(120,000)  
—   
4,694,927   
41,189,726   
(18,395,930)  
(4,474)  
27,484,249   

  $  
  $  
  $  
  $  
  $  
  $  
  $  
  $  
  $  

Weighted
Average Exercise

Price Per Share

Average

Remaining
Contractual

Term in Years

78.86   
3.85   
0.01   
—   
8.55   
0.70   
1.20   
953.06   
1.86   

4.0 

4.4 

4.6  

All warrants outstanding at December 31, 2019 are exercisable and all warrants outstanding at December 31, 2018 were exercisable, except for the 762,438
warrants issued on September 24, 2018, which were first exercisable on March 24, 2019 and expire on March 24, 2024.

Warrants issued in the February 2019 financing transaction have an expiration date of February 12, 2024, warrants issued in the March 2019 transaction
have  an  expiration  date  of  September  19,  2024,  warrants  issued  in  the  May  2019  inducement  offering  have  an  expiration  date  of  July  10,  2025,  and
warrants issued in the December 2019 have an expiration date of December 11, 2024.

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Included in the September 20, 2018 financing transaction the Company issued 120,000 pre-funded warrants to investors.  These pre-funded warrants had an
intrinsic  value  of  $350,000,  were  subsequently  fully  exercised  and  are  no  longer  outstanding  as  of  December  31,  2019.    In  addition,  included  in  the
December  11,  2019  financing  transaction  the  Company  issued  5,400,000  pre-funded  warrants.    The  pre-funded  warrants  had  an  intrinsic  value  of  $1.4
million, were subsequently fully exercised and are no longer outstanding as of December 31, 2019.  

The intrinsic value of equity-classified common stock warrants outstanding at December 31, 2018 and 2019 was zero.

On January 30, 2018, the Company issued warrants to purchase up to an aggregate of 1,095,153 shares of its common stock, which had an exercise price of
$15.00 per share, subject to down round adjustment, are exercisable immediately and expire five years from the date of issuance.  As a result of the down
round adjustment feature of these warrants, these warrants have a current exercise price of $0.405 per share as of December 31, 2019.  

12. Net Loss per Common Share

Basic  and  diluted  net  loss  per  common  share  is  determined  by  dividing  net  loss  applicable  to  common  shareholders  by  the  weighted-average  common
shares outstanding during the period. Because there is a net loss attributable to common shareholders for the years ended December 31, 2018 and 2019, the
outstanding RSUs, warrants, and common stock options have been excluded from the calculation of diluted loss per common share because their effect
would be anti-dilutive. Therefore, the weighted-average shares used to calculate both basic and diluted loss per share are the same.

The  following  potentially  dilutive  securities  have  been  excluded  from  the  computations  of  diluted  weighted-average  shares  outstanding  for  the  periods
presented, as they would be anti-dilutive:

For the years ended
December 31,

2018

2019

Preferred warrants outstanding (number of common stock
equivalents)
Common warrants outstanding
RSUs outstanding
Convertible preferred stock outstanding (number of
common stock equivalents)
Common options outstanding
Total anti-dilutive common share equivalents

17    

— 
4,694,927     27,484,249 
360 

360    

976,157    
195,820    

471,393 
2,732,023 
5,867,281     30,688,025

13. 401(k) Plan

The Company sponsors a 401(k) savings plan for all eligible employees. The Company may make discretionary matching contributions to the plan to be
allocated  to  employee  accounts  based  upon  employee  deferrals  and  compensation.  During  the  years  ended  December  31,  2018  and  2019,  the  Company
made $215,000 and approximately $228,000, respectively, in matching contributions into the savings plan.

106

 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
   
   
 
 
   
   
 
 
 
 
 
14. Income Taxes

On December 22, 2017, the President of the United States signed into law legislation, informally titled the Tax Cuts and Jobs Act of 2017, that significantly
revises  the  Internal  Revenue  Code  of  1986,  as  amended,  or  the  Code.  The  Act  amends  the  Code  to  reduce  tax  rates  and  modify  policies,  credits,  and
deductions for individuals and businesses. For  businesses,  the  Act  reduces  the  corporate  tax  rate  from  a  maximum  of  35%  to  a  flat  21%  rate.  The  rate
reduction was effective on January 1, 2018. As a result of the rate reduction, the Company has reduced the deferred tax asset balance as of December 31,
2017 by approximately $2.6 million. Due to the Company's full valuation allowance position, the Company has also reduced the valuation allowance by the
same amount.

As of December 31, 2019, the Company completed its accounting for the tax effects of the enactment of the Tax Cuts and Jobs Act of 2017 which resulted
in immaterial adjustments to provisional estimates, offset by a full valuation allowance.   

For the years ended December 31, 2018 and 2019, the provision for income taxes was calculated as follows:

Current:

Federal
State
Total
Deferred

Federal
State
Total

Provision for income tax

For the years ended December 31,
2019
2018

 $

 $

—    $

1,886   
1,886   

—   
—   
—   
1,886    $

— 
— 
— 

— 
— 
— 
—

The following table reconciles income taxes computed at the federal statutory rate and the Company’s provision for income taxes:

Income tax at statutory rate
Change in federal tax rate
State liability
Permanent items
Stock compensation
Warrant inducement
Expiration of net operating losses
Research and development credit
State rate change
Estimated section 382 limitation
Return to provision
Other
Valuation allowance
Provision for income tax

For the years ended December 31,
2019
2018

 $

 $

(5,159,881)
— 
(670,015)
118,959 
11,128 
— 
— 
(272,314)
(132,855)
— 
8,386 
19,420 
6,079,058 
1,886 

 $

 $

(5,278,232)
— 
(764,997)
103,617 
174,128 
384,534 
35,487 
(359,765)
388 
325,046 
(4,296)
(83,353)
5,467,443 
—

Deferred income taxes are provided for temporary differences in recognizing certain income and expense items for financial and tax reporting purposes.
The  deferred  tax  assets  consisted  primarily  of  the  income  tax  benefits  from  estimated  net  operating  loss  carryforwards,  deferred  rent,  and  estimated
research and development credits. Valuation allowances have been recorded to fully offset deferred tax assets at December 31, 2018 and 2019, as it is more
likely than not that the assets will not be utilized.

At  December  31,  2019,  the  Company  had  estimated  federal  net  operating  loss  carryforwards  of  approximately  $54.9  million     with  $41.0  million  net
operating losses generated after December 31, 2017 carrying forward indefinitely and total

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estimated net operating loss carryforwards of approximately $13.9 million which will begin to expire in 2020 and may generally be used to offset up to
80% of future taxable income. The Company has additional state net operating losses of $24.9 million, which will begin to expire in 2020. Additionally, at
December  31,  2019,  the  Company  had  estimated  research  and  development  tax  credits  of  approximately  $366,000  and  $3,738,000  for  federal  and
California  purposes,  respectively.  The  estimated  federal  research  and  development  tax  credits  will begin to expire in 2020. The  California  research  and
development tax credits do not expire.

For the taxable years ended December 31, 2018 and 2019, the Company has evaluated the various tax positions reflected in its income tax returns for both
federal  and  state  jurisdictions,  to  determine  if  the  Company  has  any  uncertain  tax  positions  on  the  historical  tax  returns.  The  Company  recognizes  the
impact of an uncertain tax position on an income tax return at the largest amount that the relevant taxing authority is more-likely-than not to sustain upon
audit.  The  Company  does  not  recognize  uncertain  income  tax  positions  if  they  have  less  than  50  percent  likelihood  of  being  sustained.  Based  on  this
assessment, the Company believes there are no tax positions for which a liability for unrecognized tax benefits should be recorded as of December 31, 2018
or 2019. The Company is subject to U.S. federal income tax as well as income tax in multiple state jurisdictions. With few exceptions, the Company is no
longer subject to U.S. federal income tax examinations for 2015 and before, state and local income tax examinations 2014 and before. However, to the
extent allowed by law, the tax authorities may have the right to examine prior periods where net operating losses were generated and carried forward and
make adjustments up to the amount of the net operating loss carryforward amount. The Company’s policy is to recognize interest and penalties related to
income tax matters in income tax expense. Due to the existence of the valuation allowance, future changes in unrecognized tax benefits will not impact the
Company’s effective tax rate. The Company is currently not under examination by any taxing authorities and does not believe its unrecognized tax benefits
will significantly change in the next twelve months.

The tax effects of carryforwards and other temporary differences that give rise to deferred tax assets consist of the following:

Estimated net operating loss carryforward
Estimated research and development credits
Accruals and other
Deferred rent
Operating lease liability

Right-of-use asset
Gross deferred tax liabilities

Less valuation allowance
Net deferred tax assets

 $

For the year ended December 31,
2019
2018
13,118,923 
3,318,475 
4,536,147 
— 
205,542 
21,179,087 

9,229,174    $
2,958,710   
2,864,028   
64,628   
—   
15,116,540   

—   
—   

(569,870)
(569,870)

(15,116,540)  

 $

—    $

(20,609,217)
—

Utilization  of  the  estimated  domestic  net  operating  loss  and  research  and  development  tax  credit  carryforwards  may  be  subject  to  a  substantial  annual
limitation due to ownership change limitations that may have occurred or that could occur in the future, as required by Sections 382 and 383 of the Code, as
well  as  similar  state  provisions.  These  ownership  changes  may  limit  the  amount  of  estimated  net  operating  loss  and  research  and  development  credit
carryforwards that can be utilized annually to offset future taxable income and tax, respectively. In general, an “ownership change” as defined by Section
382 of the Code results from a transaction or series of transactions over a three-year period resulting in an ownership change of more than 50 percentage
points by value of the outstanding stock of a company by certain stockholders. Since the Company’s formation, the Company has raised capital through the
issuance  of  capital  stock  on  several  occasions  which  on  its  own  or  combined  with  the  purchasing  stockholders’  subsequent  disposition  of  those  shares,
likely resulted in such an ownership change, or could result in an ownership change in the future.

Upon the occurrence of an ownership change under Sections 382 and 383 of the Code as outlined above, utilization of the estimated net operating loss and
research and development credit carryforwards are subject to an annual limitation, which is determined by first multiplying the value of the Company’s
stock at the time of the ownership change by the applicable long-

108

 
 
 
 
 
 
   
 
  
 
  
 
  
 
  
 
 
  
 
 
  
    
 
  
  
 
  
 
 
  
    
 
  
  
 
 
term, tax-exempt rate, which could be subject to additional adjustments, as required. Any limitation may result in expiration of a portion of the estimated
net operating loss or research and development tax credit carryforwards before utilization. The Company has not yet completed an analysis to determine
whether an ownership change has occurred, however, the Company believes ownership changes likely occurred in each year from 2015 through 2019. As a
result, the Company has estimated that the use of its net operating loss carryforwards is limited and has disclosed in the table above only the amounts it
estimates could be used in the future, which remain fully offset by a valuation allowance to reduce the net asset to zero.

15. Related Party Transactions

A member of the Company’s management is the controlling person of Aegea Biotechnologies, Inc., or Aegea. On September 2, 2012, the Company entered
into  an  Assignment  and  Exclusive  Cross-License  Agreement,  or  the  Cross-License  Agreement,  with  Aegea.  The  Company  received  payments  totaling
approximately $19,000 and $26,000 during the years ended December 31, 2018 and 2019, respectively, from Aegea as reimbursements for shared patent
costs under the Cross-License Agreement.  On December 11, 2019, the Company entered into a First Amendment to Assignment and Exclusive Cross-
License Agreement with Aegea pursuant to which the Company obtained a royalty bearing license for a certain patent.  The Company agreed to pay Aegea,
effective January 1, 2019, a royalty of 10% on Biocept’s sale of research use only, or RUO, and import research use only reagents and kits in the field of
oncology, where the sample types are tissue, whole blood, bone marrow, cerebrospinal fluid or derivatives of any of the foregoing.  A payment of $12,000
was made in December 2019 related to this arrangement for 2019 year to date activity up to the end of the third quarter of 2019.  In addition, the Company
has accrued $7,000 for royalty expenses related to this arrangement as of December 31, 2019, which was paid subsequent to year end.

16. Commitments and Contingencies

Operating Leases

The Company leases office, laboratory, and warehouse space at its San Diego, California facility under a non-cancelable operating lease. The initial lease
was for an eight-year term expiring in 2012. In November 2011, the Company extended the lease term through October 31, 2018 and expanded the original
premises by 9,849 square feet. Under the amended lease, the landlord delivered the expanded premises in May 2013. In September 2013, the Company
extended the lease term through July 31, 2020. See Lease footnote for further detail.

Purchase Commitment

In  February  2016,  the  Company  signed  a  firm,  non-cancelable,  and  unconditional  commitment  in  an  aggregate  amount  of  $1,062,500  with  a  vendor  to
purchase certain inventory items, payable in minimum quarterly amounts of $62,500 through May 2020. At December 31, 2019, approximately $91,000
remained outstanding under this purchase commitment.

Financed Equipment Maintenance and Sales Tax Obligations

During the years ended December 31, 2018 and 2019, total expense recorded in the Company’s statement of operations and comprehensive loss for sales
tax  and  maintenance  obligations  associated  with  finance  lease  arrangements  was  approximately  $101,000  and  $122,000,  respectively.  At  December  31,
2018 and 2019, approximately $69,000 and $73,000 of such sales tax and maintenance obligations incurred but not paid were recorded in accrued other
liabilities  in  the  Company’s  balance  sheet  (see  Note  6).  Future  payments  totaling  approximately  $284,000  for  sales  tax  and  maintenance  obligations
associated  with  financed  equipment  were  due  under  equipment  financing  arrangements  at  December  31,  2019,  which  will  be  expensed  as  incurred  (see
Note 8).

Legal Proceedings

In the normal course of business, the Company may be involved in legal proceedings or threatened legal proceedings. The Company is not party to any
legal proceedings or aware of any threatened legal proceedings which are expected to have a material adverse effect on its financial condition, results of
operations or liquidity.

109

 
 
 
 
 
17. Selected Quarterly Financial Data (Unaudited)

The following is selected quarterly financial data as of and for the periods ending:

December 31, 2018
Balance sheet data:

Cash
Total assets
Total non-current liabilities
Total shareholders’ equity

Statement of operations and comprehensive loss data:

Net revenues
Cost of revenues
Research and development expenses
General and administrative expenses
Sales and marketing expenses
Loss from operations
Net loss
Deemed dividend related to warrants down round provision
Net loss attributable to common shareholders
Net loss per common share:1

  First Quarter  

  Second Quarter  

  Third Quarter

  Fourth Quarter  

 $

 $
9,272,420 
   14,747,827 
1,357,193 
8,507,714 

 $

2,569,111 
8,291,310 
1,258,261 
2,527,568 

 $

8,956,200 
14,551,892 
1,174,397 
8,938,408 

3,423,373 
8,750,303 
1,098,137 
3,042,519 

 $

 $

 $

806,943 
2,434,886 
1,070,584 
1,938,664 
1,636,542 
(6,273,733)   

822,238 
2,699,671 
1,019,285 
1,708,970 
1,433,174 
(6,038,862)   
 $ (6,356,404)  $ (6,153,101)  $

— 

— 

 $ (6,356,404)  $ (6,153,101)  $

 $

859,526 
761,591 
2,435,262 
2,481,916 
1,288,957 
1,089,746 
1,632,670 
1,793,720 
1,440,798 
1,404,192 
(6,007,983)   
(5,938,161)
(6,047,784)  $ (6,014,312)
— 
(6,684,154)  $ (6,014,312)

(636,370)   

Basic

Diluted

 $

 $

(3.33)  $

(2.70)  $

(2.42)  $

(1.43)

(3.33)  $

(2.70)  $

(2.42)  $

(1.43)

Weighted-average shares outstanding used in computing net loss
per share attributable to common shareholders:

Basic

Diluted

1,911,282 

2,280,115 

2,767,440 

4,209,221 

1,911,282 

2,280,115 

2,759,614 

4,209,221

1

Basic and diluted net loss per common share are computed independently for each of the quarters presented. Therefore, the sum of quarterly basic
and diluted per share information may not equal annual basic and diluted net loss per common share.

110

 
 
 
  
     
     
     
  
  
     
     
     
  
  
  
  
  
  
  
  
  
  
  
  
  
     
     
     
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
     
     
     
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
  
  
  
 
 
December 31, 2019
Balance sheet data:

Cash
Total assets
Total non-current liabilities
Total shareholders’ equity

Statement of operations and comprehensive loss data:

Net revenues
Cost of revenues
Research and development expenses
General and administrative expenses
Sales and marketing expenses
Loss from operations
Net loss
Deemed dividend related to warrants down round provision
Net loss attributable to common shareholders
Net loss per common share:1

  First Quarter  

  Second Quarter  

  Third Quarter

  Fourth Quarter  

 $ 14,762,198 
   21,891,932 
1,452,244 
   14,014,084 

 $ 12,590,597 
   19,904,840 
983,419 
   13,099,551 

 $

6,539,444 
14,520,914 
1,032,243 
7,705,458 

 $
9,301,406 
   17,732,644 
973,189 
   11,200,643 

 $

 $

 $

1,024,239 
2,599,364 
1,223,291 
1,681,837 
1,374,560 
(5,854,813)   

1,191,323 
2,673,323 
1,148,280 
1,676,310 
1,614,732 
(5,921,322)   
 $ (5,916,787)  $ (7,816,012)  $

(99,743)   

— 

 $ (6,016,530)  $ (7,816,012)  $

 $

1,783,742 
1,529,262 
2,872,098 
2,832,735 
1,161,905 
1,163,546 
1,911,593 
1,700,380 
1,489,216 
1,462,335 
(5,651,070)
(5,629,734)   
(5,691,762)  $ (5,713,478)
(21,829)
(5,691,762)  $ (5,735,307)

— 

Basic

Diluted

 $

 $

(0.61)  $

(0.38)  $

(0.25)  $

(0.20)

(0.61)  $

(0.38)  $

(0.25)  $

(0.20)

Weighted-average shares outstanding used in computing net loss
per share attributable to common shareholders:

Basic

Diluted

9,792,093 

   20,466,224 

23,018,235 

   29,128,632 

9,792,093 

   20,466,224 

23,018,235 

   29,128,632

1

Basic and diluted net loss per common share are computed independently for each of the quarters presented. Therefore, the sum of quarterly basic
and diluted per share information may not equal annual basic and diluted net loss per common share.

18. Subsequent Events

In February 2020, the Company received net proceeds of approximately $2.2 million related to the February 2020 Warrant Exercise Inducement offering as
well as an additional $700,000 from the underwriter exercising its overallotment warrants from the December 2019 underwritten financing transaction.  In
addition,  as  inducement  for  these  exercises,  the  Company  issued  6,927,258  warrants  to  purchase  shares  of  common  stock  at  $0.3495  per  share.    The
warrants are exercisable on the six-month anniversary of issuance and expire in five years from the date first exercisable.

On March 2, 2020, the Company received net cash proceeds of approximately $8.5 million from a registered direct offering to certain institutional investors
of 23,000,000 shares of common stock at a negotiated purchase price of $0.40 per share.

On March 4, 2020, the Company received net cash proceeds of approximately $6.1 million from a registered direct offering to certain institutional investors
of 16,000,000 shares of common stock at a negotiated purchase price of $0.41 per share.

On March 11, 2020 the World Health Organization declared the novel strain of coronavirus (COVID-19) a global pandemic and recommended containment
and mitigation measures worldwide.  In addition, as we are located in California, we are currently under a shelter in place mandate and many of our clients
worldwide are similarly impacted.  As a healthcare provider, we are allowed to remain open in compliance with the shelter in place mandate and continue
to provide critical information for patients diagnosed with cancer. However, the global outbreak of the COVID-19 coronavirus continues to

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rapidly  evolve,  and  the  extent  to  which  the  COVID-19  coronavirus  may  impact  our  business  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 outbreak, 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.  While we are still receiving specimens from clients on a daily basis, we anticipate a potential
slowdown in volume as many clinic visits are being re-scheduled and delayed.  We are continuing to vigilantly monitor the situation with our primary focus
on the health and safety of our employees and clients.

112

Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure.

Not applicable.

Item 9A. Controls and Procedures.

Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and our Chief Financial Officer, has evaluated the effectiveness of our disclosure
controls  and  procedures  (as  such  term  is  defined  in  Rules  13a-15(e)  and  15d-15(e)  under  the  Securities  Exchange  Act  of  1934,  as  amended,  or  the
Exchange Act) as of December 31, 2019, the end of the period covered by this report. Based on that evaluation, our Chief Executive Officer and our Chief
Financial Officer have concluded that our disclosure controls and procedures were effective as of the end of such period.

Internal Control over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as defined in Exchange Act Rules 13a-
15(f) and 15d-15(f). Our management’s annual report on internal control over financial reporting is set forth below.

Management’s Report on Internal Control over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Exchange Act
Rules 13a-15(f) and 15d-15(f). Because of its inherent limitations, internal control over financial reporting may not prevent or detect all misstatements.
Therefore,  even  those  systems  determined  to  be  effective  can  provide  only  reasonable  assurance  with  respect  to  financial  statement  preparation  and
presentation.

We conducted an evaluation of the effectiveness of our internal control over financial reporting based on the framework in Internal Control—Integrated
Framework (2013 Framework) issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on our evaluation under the
framework in Internal Control—Integrated Framework, our management concluded that our internal control over financial reporting was effective as of
December 31, 2019.

This  annual  report  does  not  include  an  attestation  report  of  our  independent  registered  public  accounting  firm  regarding  internal  control  over  financial
reporting.  Our  report  was  not  subject  to  attestation  by  our  independent  registered  public  accounting  firm  pursuant  to  the  rules  of  the  Securities  and
Exchange Commission that permit us to provide only management’s report in this report.

Changes in Internal Control over Financial Reporting

There has been no change in our internal controls over financial reporting during our most recent fiscal quarter that has materially affected, or is reasonably
likely to materially affect, our internal controls over financial reporting.

Item 9B. Other Information.

Not applicable.

113

Item 10. Directors, Executive Officers and Corporate Governance.

PART III

The information required by this item and not set forth below will be set forth in the sections entitled “Election of Directors” and “Executive Officers” in
our Proxy Statement for our 2020 Annual Meeting of Stockholders, or Proxy Statement, to be filed with the SEC within 120 days after the end of the fiscal
year ended December 31, 2019, and is incorporated herein by reference.

We have adopted a code of ethics that applies to our Chief Executive Officer and other senior financial officers (our Chief Financial Officer, Controller and
other senior financial officers performing similar functions), which we refer to as the Code of Business Conduct and Ethics. The Code of Business Conduct
and Ethics is available on our website at www.biocept.com under the Corporate Governance section of the Investor Relations portion of the website. Our
Code of Business Conduct and Ethics is designed to meet the requirements of Section 406 of Regulation S-K and the rules promulgated thereunder. We will
promptly disclose on our website (i) the nature of any amendment to the Code of Business Conduct and Ethics that applies to any covered person, and
(ii)  the  nature  of  any  waiver,  including  an  implicit  waiver,  from  a  provision  of  the  Code  of  Business  Conduct  and  Ethics  that  is  granted  to  one  of  the
covered persons.

Item 11. Executive Compensation.

The information required by this item will be set forth in the section entitled “Executive Compensation” in our 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 set forth in the sections entitled “Security Ownership of Certain Beneficial Owners and Management” and
“Executive Compensation” in our 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  set  forth  in  the  section  entitled  “Transactions  with  Related  Persons”  in  our  Proxy  Statement  and  is
incorporated herein by reference.

Item 14. Principal Accounting Fees and Services.

The information required by this item will be set forth in the section entitled “Ratification of Selection of Independent Registered Public Accounting Firm”
in our Proxy Statement and is incorporated herein by reference.

114

 
 
 
Item 15. Exhibits, Financial Statement Schedules.

(a) The following documents are filed as part of this Report:

PART IV

1. Financial Statements. The following documents are included in Part II, Item 8 of this Report and are incorporated by reference herein:

Report of Independent Registered Public Accounting Firm
Balance Sheets at December 31, 2019 and 2018
Statements of Operations and Comprehensive Loss for the Years Ended December 31, 2019 and 2018
Statements of Shareholders’ Equity for the Years Ended December 31, 2019 and 2018
Statements of Cash Flows for the Years Ended December 31, 2019 and 2018
Notes to Financial Statements

2. Financial Statement Schedules.

3. Exhibits.

Item 16. Form 10-K Summary.

None.

115

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No.

79
80
81
82
83
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EXHIBITS
Exhibit No.

Description of Exhibit

3.1

3.2

3.3

3.4

3.5

3.6

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

4.10

4.11

4.12

 Certificate of Amendment of Certificate of Incorporation (incorporated by reference to Exhibit 3.1.4 of the Registrant’s Current Report on
Form 8-K, filed with the SEC on February 14, 2014).

 Amended and Restated Bylaws (incorporated by reference to Exhibit 3.2.1 of the Registrant’s Registration Statement on Form S-1 (File No.
333-191323), filed with the SEC on September 23, 2013).

 Certificate of Amendment of Certificate of Incorporation (incorporated by reference to Exhibit 3.1 of the Registrant’s Current Report on
Form 8-K, filed with the SEC on September 29, 2016).

 Amendment to Amended and Restated Bylaws (incorporated by reference to Exhibit 3.1 of the Registrant’s Current Report on Form 8-K,
filed with the SEC on September 29, 2017).

 Certificate of Amendment to Certificate of Incorporation (incorporated by reference to Exhibit 3.1 of the Registrant’s Current Report on
Form 8-K, filed with the SEC on July 6, 2018).

 Certificate of Designation of Preferences, Rights and Limitations of Series A Convertible Preferred Stock (incorporated by reference to
Exhibit 3.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on August 13, 2018).

 Reference is made to Exhibits 3.1, 3.2, 3.3, 3.4, 3.5 and 3.6.

 Specimen Common Stock certificate of Biocept, Inc. (incorporated by reference to Exhibit 4.3 of the Registrant’s Annual Report on Form
10-K, filed with the SEC on March 28, 2017).

 Description of Common Stock.

 Form of Warrant issued to the lenders under the Loan and Security Agreement, dated as of April 30, 2014, by and among Biocept, Inc.,
Oxford Finance LLC, as collateral agent, and the lenders party thereto from time to time, including Oxford Finance LLC (incorporated by
reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on May 6, 2014).

 Form of Warrant to Purchase Common Stock (incorporated by reference to Exhibit 4.5 of the Registrant’s Registration Statement on
Form S-1 (File No. 333-201437), as amended, filed with the SEC on February 6, 2015).

 Form of Common Stock Purchase Warrant issued to the investors under the Securities Purchase Agreement, dated April 29, 2016, by and
among Biocept, Inc. and the purchasers signatory thereto (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on
Form 8-K, filed with the SEC on April 29, 2016).

 Form of Warrant to Purchase Common Stock (incorporated by reference to Exhibit 4.16 of the Registrant’s Post-Effective Amendment to
Registration Statement on Form S-1 (File No. 333-213111), as amended, filed with the SEC on October 14, 2016).

 Form of Common Stock Purchase Warrant issued to the investors under the Securities Purchase Agreement, dated March 28, 2017, by and
among Biocept, Inc. and the purchasers signatory thereto (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on
Form 8-K, filed with the SEC on March 30, 2017).

 Common Stock Purchase Warrant issued by the Registrant in favor of Ally Bridge LB Healthcare Master Fund Limited under the Common
Stock and Warrant Purchase Agreement dated August 9, 2017 (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report
on Form 8-K, filed with the SEC on August 10, 2017).

 Common Stock Purchase Warrant issued in favor of Dawson James Securities, Inc. under the Securities Purchase Agreement dated
December 5, 2017 (incorporated by reference to Exhibit 4.18 of the Registrant’s Registration Statement on Form S-1 (File No. 333-221648),
as amended, filed with the SEC on January 22, 2018).

 Form of Warrant to Purchase Common Stock issued to the investors under the Securities Purchase Agreement, dated January 26, 2018
(incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on January 30, 2018).

 Warrant Agency Agreement dated August 13, 2018 by and between the Registrant and Continental Stock Transfer & Trust Company
(incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on August 13, 2018).

116

 
Exhibit No.

Description of Exhibit

4.13

4.14

4.15

4.16

4.17

4.18

4.19

4.20

4.21

4.22

4.23

4.24

10.1+

10.2+

10.3+

10.4+

10.5+

10.6+

10.7+

 Form of Series A Common Stock Purchase Warrant (incorporated by reference to Exhibit 3.6 of the Registrant’s Registration Statement on
Form S-1 (File No. 333-225147), as amended, filed with the SEC on July 11, 2018).

 Form of Pre-Funded Warrant (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC
on September 24, 2018).

 Form of Series A Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.2 of the Registrant’s Current Report on Form 8-
K, filed with the SEC on September 24, 2018).

 Form of Series B Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.24 of the Registrant’s Registration Statement on
Form S-1 (File No. 333-228566), filed with the SEC on November 28, 2018).

 Form of Pre-Funded Warrant (incorporated by reference to Exhibit 4.25 of the Registrant’s Registration Statement on Form S-1 (File No.
333-228566), filed with the SEC on November 28, 2018).

 Form of Series B Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-
K, filed with the SEC on March 18, 2019).

 Form of Series C Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-
K, filed with the SEC on May 29, 2019).

 Form of Common Stock Warrant (incorporated by reference to Exhibit 4.19 of the Registrant’s Registration Statement on Form S-1 (File
No. 333-234459), as amended, filed with the SEC on December 6, 2019).

 Form of Pre-Funded Warrant (incorporated by reference to Exhibit 4.20 of the Registrant’s Registration Statement on Form S-1 (File No.
333-228566), as amended, filed with the SEC on November 8, 2019).

 Form of Common Stock Warrant (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the
SEC on December 11, 2019).

 Form of Warrant Amendment (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC
on January 9, 2020).

 Form of Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.2 of the Registrant’s Current Report on Form 8-K, filed
with the SEC on January 9, 2020).

 2007 Equity Incentive Plan (incorporated by reference to Exhibit 10.1 of the Registrant’s Registration Statement on Form S-1 (File No. 333-
191323), filed with the SEC on September 23, 2013).

 Form of Stock Option Grant Notice and Option Agreement under 2007 Equity Incentive Plan (incorporated by reference to Exhibit 10.1.1 of
the Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on September 23, 2013).

 Form of Restricted Stock Unit Grant Notice and Restricted Stock Unit Agreement under 2007 Equity Incentive Plan (incorporated by
reference to Exhibit 10.1.2 of the Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on
September 23, 2013).

 Form of Indemnification Agreement between the Registrant and its officers and directors (incorporated by reference to Exhibit 10.3 of the
Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on September 23, 2013).

 Form of Indemnity Agreement between Biocept, Inc., a California corporation, and its officers and directors (incorporated by reference to
Exhibit 10.4 of the Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on September 23, 2013).

 Employment Agreement, between the Registrant and Michael W. Nall, effective as of August 26, 2013 (incorporated by reference to Exhibit
10.6 of the Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on September 23, 2013).

 Employment Agreement, between the Registrant and Lyle J. Arnold, dated May 2, 2011 (incorporated by reference to Exhibit 10.7 of the
Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on September 23, 2013).

117

 
Exhibit No.

Description of Exhibit

10.8

10.9

10.10

10.11

10.12

10.13

10.14+

10.15+

10.16+

10.17+

10.18+

10.19

10.20

10.21

10.22

10.23

 Lease, between the Registrant and Nexus Equity VIII LLC, dated March 31, 2004 (incorporated by reference to Exhibit 10.11 of the
Registrant’s Registration Statement on Form S-1 (File No. 333-191323), as amended, filed with the SEC on November 5, 2013).

 First Amendment to Lease, between the Registrant and ARE-SD Region No. 18, LLC, dated November 1, 2011(incorporated by reference
to Exhibit 10.11.1 of the Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on September 23,
2013).

 Second Amendment to Lease, between the Registrant and ARE-SD Region No. 18, LLC, dated September 10, 2012 (incorporated by
reference to Exhibit 10.11.2 of the Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on
September 23, 2013).

 Third Amendment to Lease, between the Registrant and ARE-SD Region No. 18, LLC, dated as of January 31, 2013, and effective as of
January 1, 2013 (incorporated by reference to Exhibit 10.11.4 of the Registrant’s Registration Statement on Form S-1 (File No. 333-
191323), filed with the SEC on September 23, 2013).

 Fourth Amendment to Lease, between the Registrant and ARE-SD Region No. 18, LLC, dated as of September 10, 2013, and effective as of
August 1, 2013 (incorporated by reference to Exhibit 10.11.5 of the Registrant’s Registration Statement on Form S-1 (File No. 333-191323),
filed with the SEC on September 23, 2013).

 Assignment and Exclusive Cross-License Agreement between the Registrant and Aegea Biotechnologies, Inc. dated June 2, 2012
(incorporated by reference to Exhibit 10.22 of the Registrant’s Registration Statement on Form S-1 (File No. 333-191323), as amended,
filed with the SEC on January 30, 2014).

 2014 Annual Incentive Plan (incorporated by reference to Exhibit 10.2 to the Registrant’s Quarterly Report on Form 10-Q, filed with the
SEC on August 8, 2014).

 First Amendment to Employment Agreement by and between the Registrant and Michael W. Nall, dated November 6, 2015 (incorporated
by reference to Exhibit 10.4 to the Registrant’s Quarterly Report on Form 10-Q, filed with the SEC on November 9, 2015).

 Employment Agreement between the Registrant and Timothy Kennedy, dated July 25, 2016 (incorporated by reference to Exhibit 99.2 to
the Registrant’s Current Report on Form 8-K, filed with the SEC on July 27, 2016).

 Second Amendment to Employment Agreement by and between the Registrant and Michael W. Nall dated November 1, 2017 (incorporated
by reference to Exhibit 10.22 of the Registrant’s Registration Statement on Form S-1 (File no. 333-221648), as amended, filed with the SEC
on January 22, 2018).

 Biocept, Inc. Amended and Restated 2013 Equity Incentive Plan, Form of Stock Option Grant Notice, Option Agreement, Form of
Restricted Stock Unit Grant Notice and Restricted Stock Unit agreement for use thereunder (incorporated by reference to Exhibit 99.1 of the
Registrant’s Registration Statement on Form S-8, filed with the SEC on October 19, 2018).

 Form of Securities Purchase Agreement by and between the Registrant and the purchasers party thereto, dated January 18, 2019
(incorporated by reference to Exhibit 10.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on January 18, 2019).

 Placement Agency Agreement by and among the Registrant and Maxim Group LLC and Dawson James Securities, Inc., dated January 18,
2019 (incorporated by reference to Exhibit 10.2 of the Registrant’s Current Report on Form 8-K, filed with the SEC on January 18, 2019).

 Form of Securities Purchase Agreement  (incorporated by reference to Exhibit 10.1 of the Registrant’s Current Report on Form 8-K, filed
with the SEC on March 18, 2019).

 Form of Warrant Exercise Agreement, dated May 28, 2019, by and between the Registrant and certain holders of warrants to purchase
shares of the Registrant’s common stock (incorporated by reference to Exhibit 10.1 of the Registrant’s Current Report on Form 8-K, filed
with the SEC on May 29, 2019).

 Form of Amendment to Warrant Exercise Agreement, dated July 15, 2019, by and between the Registrant and certain holders of warrants to
purchase shares of the Registrant’s common stock (incorporated by reference to Exhibit 10.1 of the Registrant’s Current Report on Form 8-
K, filed with the SEC on July 18, 2019).

118

 
Exhibit No.

10.24+

23.1

31.1

31.2

32.1*

32.2*

 Amended and Restated 2013 Equity Incentive Plan, as amended, Form of Stock Option Grant Notice, Option Agreement, Form of
Restricted Stock Unit Grant Notice and Restricted Stock Unit Agreement for use thereunder (incorporated by reference to Exhibit 99.1 of
the Registrant’s Current Report on Form 8-K, filed with the SEC on June 19, 2019).

Description of Exhibit

 Consent of Mayer Hoffman McCann P.C.

 Certification of Michael Nall, Chief Executive Officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

 Certification of Timothy Kennedy, Chief Financial Officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

 Certification of Michael Nall, Chief Executive Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002.

 Certification of Timothy Kennedy, Chief Financial Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002.

101.INS

 XBRL Instance Document

101.SCH  XBRL Taxonomy Extension Schema Document

101.CAL  XBRL Taxonomy Extension Calculation Linkbase Document

101.DEF  XBRL Taxonomy Extension Definition Linkbase Document

101.LAB  XBRL Taxonomy Extension Label Linkbase Document

101.PRE  XBRL Taxonomy Extension Presentation Linkbase Document

+
*

Indicates management contract or compensatory plan.
This certification is not deemed “filed” for purposes of Section 18 of the Securities Exchange Act, or otherwise subject to the liability of that
section. Such certification will not be deemed to be incorporated by reference into any filing under the Securities Act of 1933 or the Securities
Exchange Act of 1934, except to the extent that the registrant specifically incorporates it by reference.

119

 
 
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

Date: March 27, 2020

  BIOCEPT, INC.

  By:

/s/ Michael W. Nall
Michael W. Nall
Chief Executive Officer and President

KNOW  ALL  BY  THESE  PRESENTS,  that  each  person  whose  signature  appears  below  hereby  constitutes  and  appoints  Michael  W.  Nall  and
Timothy  C.  Kennedy,  and  each  and  either  of  them,  his  or  her  true  and  lawful  agent,  proxy  and  attorney-in-fact,  with  full  power  of  substitution  and
resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any amendments to this Annual Report on Form 10-
K and to file the same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying
and confirming all that each of said attorneys-in-fact or their substitute or substitutes may do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed by the following persons in the capacities and on

the dates indicated.

Signature

/s/ Michael W. Nall
Michael W. Nall

/s/ Timothy C. Kennedy
Timothy C. Kennedy

/s/ David F. Hale
David F. Hale

/s/ Marsha A. Chandler
Marsha A. Chandler

/s/ Bruce E. Gerhardt
Bruce E. Gerhardt

/s/ Bruce A. Huebner
Bruce A. Huebner

/s/ Ivor Royston
Ivor Royston

/s/ M. Faye Wilson
M. Faye Wilson

Title

Chief Executive Officer, President and Director
(Principal Executive Officer)

Date

  March 27, 2020

Chief Financial Officer, Senior Vice President of Operations
(Principal Financial Officer and Principal Accounting Officer)

  March 27, 2020

Chairman and Director

  March 27, 2020

Director

Director

Director

Director

Director

120

  March 27, 2020

  March 27, 2020

  March 27, 2020

  March 27, 2020

  March 27, 2020

 
 
 
 
 
   
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
DESCRIPTION OF COMMON STOCK

Exhibit 4.3

General

The following description summarizes the material terms of our common stock. Because it is only a summary, it does not contain all the
information that may be important to you. For a complete description of the matters set forth in this “Description of Common Stock,” you should refer to
our amended and restated certificate of incorporation, as amended (the “Restated Certificate”), and amended and restated bylaws, as amended (the
“Restated Bylaws”), which are included as exhibits to our Annual Report on Form 10-K, and to the applicable provisions of Delaware law. Our authorized
capital stock consists of 150,000,000 shares of common stock, par value $0.0001 per share, and 5,000,000 shares of preferred stock, par value $0.0001 per
share. Our board of directors has the authority, without stockholder approval, except as required by the listing standards of The Nasdaq Stock Market LLC,
to issue additional shares of our capital stock.  In addition, our board of directors has the authority, without further action by our stockholders, to designate
the rights, preferences, privileges, qualifications and restrictions of our preferred stock in one or more series.

Voting Rights

Holders of our common stock are entitled to one vote per share in the election of directors and on all other matters on which stockholders are

entitled or permitted to vote. Holders of our common stock are not entitled to cumulative voting rights.

Dividend Rights

Subject to the terms of any then outstanding series of preferred stock, the holders of our common stock are entitled to dividends in the amounts and

at times as may be declared by our board of directors out of funds legally available therefor.

Liquidation Rights

Upon liquidation or dissolution, holders of our common stock are entitled to share ratably in all net assets available for distribution to

stockholders after we have paid, or provided for payment of, all of our debts and liabilities, and after payment of any liquidation preferences to holders of
any then outstanding shares of preferred stock.

Other Matters

Holders of our common stock have no redemption, conversion or preemptive rights pursuant to the Restated Certificate or the Restated Bylaws.

There are no sinking fund provisions applicable to our common stock. The rights, preferences and privileges of the holders of our common stock are
subject to the rights of the holders of shares of any series of preferred stock that we may issue in the future.

Outstanding Registration Rights

Under the terms of the warrants issued to certain designees of the representative of the underwriters in connection with our initial public

offering, the holders have the right to include their shares of common stock in any registration statement we file. If we register any securities for public
sale, the holders will have the right to include their shares of common stock in the registration statement, provided that the underwriters of any such
underwritten offering will have the right to limit the number of shares to be included in the registration statement. These piggyback registration rights
expire on February 4, 2021.

Transfer Agent and Registrar

The transfer agent and registrar for our common stock is Continental Stock Transfer & Trust Company.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Stock Exchange Listing

Our common stock is listed on The Nasdaq Capital Market under the symbol “BIOC.”

Anti-Takeover Provisions

Delaware Anti-Takeover Law

We are subject to Section 203 of the Delaware General Corporation Law (“DGCL”), which prohibits a Delaware corporation from engaging in any
business combination with any interested stockholder for a period of three years after the date that such stockholder became an interested stockholder, with
the following exceptions:

•

•

•

•

•

•

•

•

before such date, the board of directors of the corporation approved either the business combination or the transaction that resulted in the
stockholder becoming an interested stockholder;

upon completion of the transaction that resulted in the stockholder becoming an interested stockholder, the interested stockholder owned at
least 85% of the voting stock of the corporation outstanding at the time the transaction began, excluding for purposes of determining the voting
stock outstanding (but not the outstanding voting stock owned by the interested stockholder) those shares owned (i) by persons who are
directors and also officers and (ii) employee stock plans in which employee participants do not have the right to determine confidentially
whether shares held subject to the plan will be tendered in a tender or exchange offer; or

on or after such date, the business combination is approved by the board of directors and authorized at an annual or special meeting of the
stockholders, and not by written consent, by the affirmative vote of at least 66 2/3% of the outstanding voting stock that is not owned by the
interested stockholder.

In general, Section 203 defines business combination to include the following:

any merger or consolidation involving the corporation and the interested stockholder;

any sale, transfer, pledge or other disposition of 10% or more of the assets of the corporation involving the interested stockholder;

subject to certain exceptions, any transaction that results in the issuance or transfer by the corporation of any stock of the corporation to the
interested stockholder;

any transaction involving the corporation that has the effect of increasing the proportionate share of the stock or any class or series of the
corporation beneficially owned by the interested stockholder; or

the receipt by the interested stockholder of the benefit of any loss, advances, guarantees, pledges or other financial benefits by or through the
corporation.

In general, Section 203 defines an “interested stockholder” as an entity or person who, together with the person’s affiliates and associates,
beneficially owns, or within three years before the time of determination of interested stockholder status did own, 15% or more of the outstanding voting
stock of the corporation.

Restated Certificate and Restated Bylaws Provisions

Provisions of the Restated Certificate and the Restated Bylaws may delay or discourage transactions involving an actual or potential change in our
control or change in our management, including transactions in which stockholders might otherwise receive a premium for their shares or transactions that
our stockholders might otherwise deem to be in their best interests. Therefore, these provisions could adversely affect the price of our common stock.
Among other things, the Restated Certificate and the Restated Bylaws provide that:

 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
•

•

•

•

•

•

•

•

our board of directors is classified into three classes of equal (or roughly equal) size, with all directors serving for a three-year term and the
directors of only one class being elected at each annual meeting of stockholders, so that the terms of the classes of directors are “staggered”;

the authorized number of directors can be changed only by resolution of our board of directors;

our Restated Bylaws may be amended or repealed by our board of directors or our stockholders;

no action can be taken by stockholders except at an annual or special meeting of the stockholders called in accordance with the Restated
Bylaws, and stockholders may not act by written consent, unless the stockholders amend the Restated Certificate to provide otherwise;

stockholders may not call special meetings of the stockholders or fill vacancies on the board;

our board of directors will be authorized to issue, without stockholder approval, preferred stock, the rights of which will be determined at the
discretion of the board of directors and that, if issued, could operate as a “poison pill” to dilute the stock ownership of a potential hostile
acquirer to prevent an acquisition that our board of directors does not approve;

our stockholders do not have cumulative voting rights, and therefore our stockholders holding a majority of the shares of common stock
outstanding will be able to elect all of our directors; and

our stockholders must comply with advance notice provisions to bring business before or nominate directors for election at a stockholder
meeting.

Potential Effects of Authorized but Unissued Stock

We have shares of common stock and preferred stock available for future issuance without stockholder approval. We may utilize these additional

shares for a variety of corporate purposes, including future public offerings to raise additional capital, to facilitate corporate acquisitions or payment as a
dividend on the capital stock.

The existence of unissued and unreserved common stock and preferred stock may enable our board of directors to issue shares to persons friendly

to current management or to issue preferred stock with terms that could render more difficult or discourage a third-party attempt to obtain control of us by
means of a merger, tender offer, proxy contest or otherwise, thereby protecting the continuity of our management. In addition, the board of directors has the
discretion to determine designations, rights, preferences, privileges and restrictions, including voting rights, dividend rights, conversion rights, redemption
privileges and liquidation preferences of each series of preferred stock, all to the fullest extent permissible under the DGCL and subject to any limitations
set forth in our certificate of incorporation. The purpose of authorizing the board of directors to issue preferred stock and to determine the rights and
preferences applicable to such preferred stock is to eliminate delays associated with a stockholder vote on specific issuances. The issuance of preferred
stock, while providing desirable flexibility in connection with possible financings, acquisitions and other corporate purposes, could have the effect of
making it more difficult for a third-party to acquire, or could discourage a third-party from acquiring, a majority of our outstanding voting stock. The
issuance of preferred stock could adversely affect the voting power of holders of common stock and reduce the likelihood that common stockholders will
receive dividend payments and payments upon liquidation.  The issuance could also have the effect of decreasing the market price of our common stock.

Choice of Forum

Our Restated Bylaws provide that, unless we consent in writing to the selection of an alternative forum, the Court of Chancery of the State of
Delaware (or, if the Court of Chancery does not have jurisdiction, another state court located within the State of Delaware or, if no state court located
within the State of Delaware has jurisdiction, the federal district court for the District of Delaware) shall, to the fullest extent permitted by law, be the sole
and exclusive forum for (a) any derivative action or proceeding brought on our behalf, (b) any action asserting a claim of breach of a fiduciary duty owed
by any of our directors, officers or other employees to us or our stockholders, (c)

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
any action asserting a claim arising pursuant to any provision of the DGCL, the Restated Certificate or the Restated Bylaws, or (d) any action asserting a
claim governed by the internal affairs doctrine, in all cases to the fullest extent permitted by law and subject to the court’s having personal jurisdiction over
the indispensable parties named as defendants. This choice of forum provision does not apply to suits brought to enforce a duty or liability created by the
Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, or any other claim for which the federal courts have exclusive
jurisdiction.

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 23.1

As  independent  registered  public  accountants,  we  hereby  consent  to  the  incorporation  by  reference  in  Registration  Statement  Nos.  333-194930,  333-
202656,  333-206347,  333-212960,  333-218018,  333-227267,  333-227900  and  333-233285  on  Forms  S-8,  Registration  Statement  Nos.  333-224946  and
333-220048 on Forms S-3, and Registration Statement Nos. 333-234459, 333-230797, 333-228566, 333-227908 on Forms S-1 of our report dated March
27, 2020, relating to the financial statements of Biocept, Inc. (“Company”) (which includes explanatory paragraphs related to the change in the method of
accounting for leases, and the uncertainty of the Company’s ability to continue as a going concern), included in this Annual Report on Form 10-K for the
year ended December 31, 2019.

/s/ Mayer Hoffman McCann P.C.

San Diego, California
March 27, 2020

 
 
 
 
EXHIBIT 31.1

I, Michael W. Nall, certify that:

CERTIFICATION

1.

2.

3.

4.

I have reviewed this Annual Report on Form 10-K of Biocept, Inc.;

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the
statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this
report;

Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the
financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

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.

b.

c.

d.

Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to
ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those
entities, particularly during the period in which this report is being prepared;

Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our
supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for
external purposes in accordance with generally accepted accounting principles;

Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the
effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent
fiscal quarter (the registrant’s fourth fiscal quarter in the case of an 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.

b.

All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are
reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal
control over financial reporting.

Date: March 27, 2020

/s/ Michael W. Nall 
Michael W. Nall
Chief Executive Officer, President and Director
(Principal Executive Officer)

 
 
 
 
 
 
 
 
 
 
EXHIBIT 31.2

I, Timothy C. Kennedy, certify that:

CERTIFICATION

1.

2.

3.

4.

I have reviewed this Annual Report on Form 10-K of Biocept, Inc.;

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the
statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this
report;

Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the
financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

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.

b.

c.

d.

Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to
ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those
entities, particularly during the period in which this report is being prepared;

Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our
supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for
external purposes in accordance with generally accepted accounting principles;

Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the
effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent
fiscal quarter (the registrant’s fourth fiscal quarter in the case of an 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.

b.

All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are
reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal
control over financial reporting.

Date: March 27, 2020

/s/ Timothy C. Kennedy 
Timothy C. Kennedy
Chief Financial Officer, Senior Vice President of Operations
(Principal Financial and Accounting Officer)

 
 
 
 
 
 
 
 
 
 
CERTIFICATION

EXHIBIT 32.1

I, Michael W. Nall, hereby certify pursuant to Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 and 18 U.S.C. Section 1350, that,
to my knowledge, the Annual Report on Form 10-K of Biocept, Inc. for the fiscal year ended December 31, 2019 (the “Report”) fully complies with the
requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that the information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of Biocept, Inc.

Date: March 27, 2020

  /s/ Michael W. Nall 
  Michael W. Nall

Chief Executive Officer, President and Director
(Principal Executive Officer)

This certification accompanies the Report pursuant to Rule 13a-14(b) or Rule 15d-14(b) under the Securities Exchange Act of 1934 and 18 U.S.C.
Section 1350 and shall not be deemed filed by the Company for purposes of Section 18 of the Securities Exchange Act of 1934.

 
 
 
 
 
 
CERTIFICATION

EXHIBIT 32.2

I, Timothy C. Kennedy, hereby certify pursuant to Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 and 18 U.S.C. Section 1350,
that, to my knowledge, the Annual Report on Form 10-K of Biocept, Inc. for the fiscal year ended December 31, 2019 (the “Report”) fully complies with
the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that the information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of Biocept, Inc.

Date: March 27, 2020

  /s/ Timothy C. Kennedy
  Timothy C. Kennedy
  Chief Financial Officer, Senior Vice President of Operations
  (Principal Financial and Accounting Officer)

This certification accompanies the Report pursuant to Rule 13a-14(b) or Rule 15d-14(b) under the Securities Exchange Act of 1934 and 18 U.S.C.
Section 1350 and shall not be deemed filed by the Company for purposes of Section 18 of the Securities Exchange Act of 1934.