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VistaGen Therapeutics Inc

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FY2020 Annual Report · VistaGen Therapeutics Inc
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Form 10-K

For the fiscal year ended: March 31, 2020

or

Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

☒

☐

Commission file number: 001-37761

VistaGen Therapeutics, Inc.

(Exact name of registrant as specified in its charter)

Nevada
(State or other jurisdiction of
incorporation or organization)

20-5093315
(I.R.S. Employer
Identification No.)

343 Allerton Avenue
South San Francisco, California 94080
(650) 577-3600
(Address, including zip code, and telephone number, including area code, of registrant’s principal executive office)

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

Title of each class
Common Stock, par value $0.001 per share

Name of each exchange on which registered
The Nasdaq Capital Market

Securities registered pursuant to Section 12(g) of the Act

None

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

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

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

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and
posted 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
and post such files).    Yes   ☒     No   ☐

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

Large accelerated filer  ☐

Accelerated filer  ☐

Non-accelerated filer  ☐

Smaller reporting company 
☒

Emerging Growth Company  
☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial
accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate  by  check  mark  whether  the  registrant  has filed  a  report  on  and  attestation  to  its  management’s  assessment  of the effectiveness  of  its  internal  control  over  financial
reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.    Yes    ☐     No  
☒

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).    Yes   ☐     No   ☒

The aggregate market value of the common stock of the registrant held by non-affiliates of the registrant on September 30, 2019, the last business day of the registrant’s second
fiscal quarter, was: $45,352,358.

As of June 26, 2020, there were 55,773,682 shares of the registrant’s common stock, $0.001 par value per share, outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Items 10, 11, 12, 13 and 14 of Part III incorporate by reference certain information from VistaGen Therapeutics, Inc.’s definitive proxy statement, to be filed with the Securities
and Exchange Commission on or before July 29, 2020.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
  
 
 
 
 
 
 
 
Table of Contents

PART I

Item No.

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

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

  10.
  11.
  12.
  13.
  14.

  15.

PART II

PART III

PART IV

EXHIBIT INDEX
SIGNATURES

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 and Financial Statement Schedules

Page No.

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Forward-Looking Statements

This Annual  Report  on  Form  10-K  (Annual  Report)  contains  forward-looking  statements  that  involve  substantial  risks  and  uncertainties. All  statements  contained  in  this
Annual Report other than statements of historical facts, including statements regarding our strategy, future operations, future financial position, future revenue, projected costs,
prospects, plans, objectives of management and expected market growth, are forward-looking statements. These statements involve known and unknown risks, uncertainties and
other  important  factors  that  may  cause  our  actual  results,  performance  or  achievements  to  be  materially  different  from  any  future  results,  performance  or  achievements
expressed or implied by the forward-looking statements.

The words “anticipate,” “believe,” “estimate,” “expect,” “intend,” “may,” “plan,” “predict,” “project,” “target,” “potential,” “will,” “would,” “could,” “should,” “continue,” and
similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. These forward-looking
statements include, among other things, statements about:

●

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●

●

●

●

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the  impact  of  the  novel  coronavirus  (COVID-19)  pandemic,  efforts  to  contain  the  pandemic  and  resulting  economic  downturn  on  our  operations  and  financial
condition;

the  availability  of  capital  to  satisfy  our  working  capital  requirements  and  clinical  and  nonclinical  development
objectives;

the  accuracy  of  our  estimates  regarding  expenses,  future  revenues  and  capital
requirements;

our plans to develop and commercialize our product candidates, including, among other things, PH94B as a treatment for Social Anxiety Disorder (SAD), AV-101 as a
treatment for diseases and disorders involving the Central Nervous System (CNS), and PH10 as a treatment for major depressive disorder (MDD);

our  ability  to  initiate  and  complete  necessary  preclinical  and  clinical  trials  to  advance  the  development  of  our  product  candidates,  including  pivotal  clinical  trials,  to
successfully complete any such preclinical and clinical trials, and for those trials to generate positive results;

economic,  regulatory  and  political  developments  in  the  U.S.  and  foreign
countries;

the  performance  of  the  Department  of  Veterans  Affairs  (VA),  Baylor  University,  our  third-party  contract  manufacturer(s)  (CMOs),  contract  research  organizations
(CROs) and other third-party preclinical and clinical drug development collaborators and regulatory service providers;

our  ability  to  obtain  and  maintain  intellectual  property  (IP)  protection  for  our  core  assets,  including  our  product
candidates;

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

the  rate  and  degree  of  market  acceptance  of  our  product  candidates  for  any  indication  once
approved;

the success of competing products and product candidates in development by others that are or become available for the indications that we are pursuing in the markets
we seek to enter on our own or with collaborators;

the loss of key scientific, clinical or nonclinical development, regulatory, and/or management personnel, internally or from one or more of our third-party collaborators;
and

other  risks  and  uncertainties,  including  those  listed  under  Part  I,  Item  1A  of  this  Annual  Report  titled  “Risk
Factors.”

These forward-looking statements are only predictions and we may not actually achieve the plans, intentions or expectations disclosed in our forward-looking statements, so
you should not place undue reliance on our forward-looking statements. Actual results or events could differ materially from the plans, intentions and expectations disclosed in
the forward-looking statements we make. We have based these forward-looking statements largely on our current expectations and projections about future events and trends
that  we  believe  may  affect  our  business,  financial  condition  and  operating  results.  We  have  included  important  factors  in  the  cautionary  statements  included  in  this Annual
Report, particularly in Part I, Item 1A, titled “Risk Factors,” that could cause actual future results or events to differ materially from the forward-looking statements that we
make. Our forward-looking statements do not reflect the potential impact of any future acquisitions, mergers, dispositions, joint ventures or investments we may make.

You  should  read  this Annual  Report  and  the  documents  that  we  have  filed  as  exhibits  to  the Annual  Report  with  the  understanding  that  our  actual  future  results  may  be
materially different from what we expect. We do not assume any obligation to update any forward-looking statements, whether as a result of new information, future events or
otherwise, except as required by applicable law. 

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PART I

All brand names or trademarks appearing in this Annual Report are the property of their respective holders. Unless the context requires otherwise, references in this report to
“VistaGen,” the “Company,” “we,” “us,” and “our” refer to VistaGen Therapeutics, Inc., a Nevada corporation. All references to future quarters and years in this Annual
Report refer to calendar quarters and calendar years, unless reference is made otherwise.

Item 1.

Business

Overview

We are a clinical-stage biopharmaceutical company committed to developing new generation therapies for anxiety, depression and certain additional central nervous system
(CNS) disorders for which current treatment options are inadequate, resulting in high unmet need in large and growing markets worldwide. Our pipeline includes three clinical-
stage  CNS  product  candidates,  PH94B,  PH10  and AV-101,  each  with  a  differentiated  mechanism  of  action,  an  exceptional  safety  profile  in  all  clinical  studies  to  date,  and
therapeutic  potential  in  multiple  CNS  indications.  We  are  currently  preparing  PH94B  for  Phase  3  clinical  development  for  the  acute  treatment  of  adult  patients  with  social
anxiety disorder (SAD).  We  are  also  preparing  PH94B  for  an  exploratory  Phase  2A  open-label  study  in  adult  patients  experiencing  adjustment  disorder  with  anxiety  (AjDA)
related  to  the  COVID-19  pandemic.  PH10  has  completed  successful  exploratory  Phase  2A  development  as  a  novel  treatment  for  major  depressive  disorder  (MDD).  We  are
currently  preparing  PH10  for  Phase  2B  development  as  a  potential  stand-alone  treatment  for  MDD.  In  several  clinical  studies,  we  have  established  that AV-101  is  orally
available and has an excellent safety profile. Based on successful preclinical studies involving AV-101 alone and in combination with probenecid, we are currently assessing
potential Phase 1B and subsequent Phase 2A development of AV-101, in combination with probenecid, for treatment of depression and several other CNS indications involving
the NMDAR (N-methyl-D-aspartate receptor). Additionally,  our  subsidiary,  VistaStem  Therapeutics  ( VistaStem),  has  pluripotent  stem  cell  technology  focused  on  assessing
and developing small molecule new chemical entities (NCEs) for our CNS pipeline, or for out-licensing, by utilizing CardioSafe 3D, VistaStem’s customized human heart cell-
based  cardiac  bioassay  system.  Our  goal  is  to  become  a  fully  integrated  biopharmaceutical  company  that  develops  and  commercializes  innovative  medicine  for  large  and
growing neuropsychiatry and neurology markets worldwide where current treatments are inadequate to meet the needs of millions of patients.

Our Product Candidates

PH94B is a novel, first-in-class neuroactive nasal spray with therapeutic potential in a wide range of indications involving anxiety or phobia. Self-administered in microgram
doses, PH94B does not require systemic uptake and distribution to produce its rapid-onset anti-anxiety effects. We are initially developing PH94B as a potential fast-acting,
non-sedating, non-addictive new generation acute treatment of SAD, as well as AjDA related to the COVID-19 pandemic. With its rapid-onset pharmacology, lack of systemic
exposure and excellent safety profile, PH94B also has potential as a novel treatment for postpartum anxiety (PPA), post-traumatic stress disorder (PTSD), preoperative anxiety
(POA), panic disorder and other anxiety-related disorders.

PH10 is an odorless, fast-acting synthetic neurosteroid delivered intranasally that has therapeutic potential in a wide range of neuropsychiatric indications involving depression.
Self-administered  in  microgram  doses,  PH10  does  not  require  systemic  uptake  and  distribution  to  produce  its  rapid-onset  antidepressant  effects.  We  are  initially  developing
PH10 as a potential fast-acting, non-sedating, non-addictive new generation treatment of MDD. With its rapid-onset pharmacology, lack of systemic exposure an exceptional
safety profile, PH10 also has potential as a novel treatment for postpartum depression (PPD), treatment-resistant depression (TRD) and suicidal ideation (SI).

AV-101 (4-Cl-KYN) is a novel, oral prodrug that targets the NMDAR, an ionotropic glutamate receptor in the brain. Abnormal NMDAR function is associated with numerous
CNS diseases and disorders. AV-101’s active metabolite, 7-chloro-kynurenic acid ( 7-Cl-KYNA),  is  a  potent  and  selective  full  antagonist  of  the  glycine  coagonist  site  of  the
NMDAR that inhibits the function of the NMDAR, but does not block the NMDAR receptor like ketamine and other NMDAR antagonists. We have demonstrated in clinical
trials that AV-101 is orally-available, well-tolerated and does not cause dissociative or hallucinogenic psychological side effects or safety concerns similar to those that may be
caused by other NMDAR antagonists. With its exceptionally few side effects and excellent safety profile, AV-101 has potential to be an oral, new generation treatment for
multiple large market CNS indications involving abnormal NDAR function and where current treatments are inadequate to meet high unmet patient needs. The FDA has granted
Fast Track designation for development of AV-101 as both a potential adjunctive treatment for MDD and as a non-opioid treatment for neuropathic pain ( NP). We are currently
assessing AV-101’s  potential  in  combination  with  probenecid,  to  treat  both  MDD  and  NP,  as  well  as  dyskinesia  associated  with  levodopa  therapy  for  Parkinson’s  disease,
epilepsy and suicidal ideation.

VistaStem is applying pluripotent stem cell (hPSC)  technology  and  CardioSafe  3D,  our  customized  cardiac  bioassay  system,  to  discover  and  develop,  novel  small  molecule
NCEs for our CNS pipeline or for out-licensing.

Our product candidates are protected through a combination of patents, trade secrets, and proprietary know‑how. If approved, they may also be eligible for periods of regulatory
exclusivity. Our intellectual property portfolio includes issued U.S. and foreign patents, as well as U.S. and foreign patent applications.

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VistaStem,  a  California  corporation,  is  our  wholly-owned  subsidiary.  Our  Condensed  Consolidated  Financial  Statements  in  this Annual  Report  also  include  the  accounts  of
VistaStem and VistaStem’s two wholly-owned inactive subsidiaries, Artemis Neuroscience, Inc., a Maryland corporation, and VistaStem Canada, Inc., a corporation organized
under the laws of Ontario, Canada.

Our Strategy

Our goal is to be a leading biopharmaceutical company committed to development and commercialization of novel proprietary therapies for the treatment of anxiety, depression
and other CNS diseases and disorders with high unmet need. Key elements of our strategy to achieve our goal are as follows:

●

●

Focus  on  global  development  and  commercialization,  on  our  own  in  the  U.S.  and  with  collaborators  outside  the  U.S.,  of  novel  CNS  drug  candidates  with
fundamentally differentiated mechanisms of pharmacological action than currently approved therapies;

Emphasize the development and commercialization of differentiated CNS product candidates with potential for (i) rapid-onset therapeutic effects, (ii) exceptional
safety  profiles,  especially  product  candidates  without  high  potential  risk  of  addiction,  sedation,  cognitive  impairment,  psychological  side  effects  (such  as
hallucinations or dissociation), or cardiac and/or drug-drug interaction liabilities, and (iii) significant therapeutic and commercial impact in multiple CNS markets
where currently-approved treatment alternatives are inadequate, resulting in high unmet but addressable need;

● Advance  and  complete  Phase  3  clinical  development  of  PH94B  for  acute  treatment  of  SAD,  on  our  own  in  the  U.S.  and,  in  markets  outside  the  U.S.,  through
strategic license, development and commercialization agreements with biopharmaceutical companies with high-quality capabilities and expertise in such markets,
such as the EverInsight License Agreement (as further described below) (Collaborators);

●

File for and obtain regulatory approval of PH94B for acute treatment of SAD on our own in the U.S. and with Collaborators outside the U.S., if our Phase 3 clinical
development efforts are successful;

● Commercialize  PH94B,  initially  for  acute  treatment  of  SAD,  on  our  own  in  the  U.S.  and  with  Collaborators  outside  the  U.S.,  if  and  when  approved  for  acute

treatment of SAD in the U.S. and other markets;

●

Pursue exploratory Phase 2 clinical development of PH94B, on or own or with Collaborators, academic institutions, private foundations and/or U.S. government
institutions, such as the U.S. National Institutes of Health (NIH), U.S. Department of Veterans Affairs (VA), and U.S. Department of Defense (DOD), for multiple
additional  anxiety-related  indications,  including  adjustment  disorder  with  anxiety  related  to  the  COVID-19  pandemic,  postpartum  anxiety,  post-traumatic  stress
disorder, preoperative anxiety, panic disorder and potentially other anxiety-related disorders;

● Advance PH10 into and through Phase 2B clinical development for treatment of MDD in the U.S. on our own, and, if our U.S. Phase 2B development efforts are

successful, advance and complete Phase 3 clinical development of PH10 for treatment of MDD, on our in the U.S. and with Collaborators outside the U.S.;

●

File  for  and  obtain  regulatory  approval  of  PH10  for  treatment  of  MDD  on  our  own  in  the  U.S.  and  with  Collaborators  outside  the  U.S.,  if  our  Phase  3  clinical
development efforts are successful;

● Commercialize PH10, initially for treatment of MDD, on our own in the U.S. and with Collaborators outside the U.S., if and when approved for treatment of MDD

in the U.S. and other markets;

●

●

Pursue  exploratory  Phase  2  clinical  development  of  PH10,  on  or  own  or  with  Collaborators,  academic  institutions,  private  foundations  and/or  U.S.  government
institutions for multiple additional depression-related indications, including postpartum depression, treatment resistant depression and suicidal ideation;

File  for  and  obtain  regulatory  approval  of  PH10  for  treatment  of  MDD  in  the  U.S.,  if  it  has  advanced  into  and  successfully  completed  Phase  3
development;

● Commercialize  PH10  on  our  own  in  the  U.S.  and  with  Collaborators  outside  the  U.S.,  if  and  when

approved;

●

Pursue  exploratory  Phase  1  and  Phase  2  clinical  development  of AV-101  in  combination  with  probenecid,  on  our  own  or  with  academic  institutions,  private
foundations and/or U.S. government institutions in the U.S., and with Collaborators outside the U.S., for treatment of multiple CNS indications involving abnormal
NDAR function, including depression, dyskinesia associated with levodopa therapy for Parkinson’s disease, epilepsy, neuropathic pain and suicidal ideation;

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● Advance AV-101,  in  combination  with  probenecid,  on  our  own  into  and  through  Phase  2B  clinical  development  for  treatment  of  one  or  more  CNS  indications
involving abnormal NMDAR function, and, if our U.S. Phase 2B development program is successful, advance and complete Phase 3 clinical development of AV-
101, in combination with probenecid, for treatment of such indication(s), on our in the U.S. and with Collaborators outside the U.S.;

●

File for and obtain regulatory approval in the U.S. of AV-101, in combination with probenecid, for treatment of one or more CNS indications involving abnormal
NMDAR function, if it has advanced into and successfully completed Phase 3 development;

● Commercialize  AV-101   on  our  own  in  the  U.S.  and  with  Collaborators  outside  the  U.S.,  if  and  when

approved;

●

●

Evaluate the market potential and regulatory pathways for our product candidates in countries outside the U.S., and move forward where and when it may make
business and strategic sense for us to proceed;

Explore  potential  for  development  and  commercialization  collaborations  to  advance  clinical  development,  file  for  and  obtain  regulatory  approval  of,  and
commercialize our product candidates in global markets outside the U.S.;

● Continue our research and development efforts to evaluate the potential for our existing product candidates in the treatment of additional CNS indications, and the

identification of new drug candidates and new areas of interest;

● Utilize the strengths of VistaStem and its proprietary hPSC-based cardiotoxicity assay system, CardioSafe 3D, and our scientific know-how to both expand our CNS
product candidate portfolio through our internal drug rescue programs and lessen our long-term reliance on the success of any one particular program to facilitate
our long-term growth; and

●

Leverage  the  strengths  of  VistaStem  and  its  hPSC-based  intellectual  property  portfolio  to  explore  potential  for  one  or  more  additional  strategic  out-licensing
transactions in the predictive toxicology, regenerative medicine and/or cell therapy fields focused on applications of our CardioSafe 3D assay system and/or blood,
cartilage and liver cells.

The following table summarizes the status of our development programs as of the filing date of this Annual Report.

Our Product Pipeline

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PH94B Neuroactive Nasal Spray for Acute Treatment of Social Anxiety Disorder

Our Lead Programs

Social Anxiety Disorder affects over 20 million Americans and, according to the NIH, is the third most common psychiatric condition after depression and substance abuse. A
person with SAD feels intense, persistent symptoms of anxiety or fear in certain social situations, such as meeting new people, dating, being on a job interview, answering a
question in class, or having to talk to a cashier in a store. Doing everyday things in front of people - such as eating or drinking in front of others or using a public restroom - also
causes anxiety or fear. A person with SAD is afraid that he or she will be humiliated, judged, and rejected. The fear that people with SAD have in social situations is so strong
that they feel it is beyond their ability to control. As a result, SAD gets in the way of going to work, attending school, or doing everyday things in situations with potential for
interpersonal interaction. People with SAD may worry about these and other things for weeks before they happen. Sometimes, they end up staying away from places or events
where they think they might have to do something that will embarrass them. Some people with SAD do not have anxiety in social situations, but instead have performance
anxiety. They feel physical symptoms of anxiety in performance situations, such as giving a lecture, a speech or a presentation at school or work, as well as playing a sports
game, or dancing or playing a musical instrument on stage. Without treatment, SAD can last for many years or a lifetime and prevent a person from reaching his or her full
potential.

Only three drugs, all oral antidepressant drugs (ADs), are approved by the U.S Food and Drug Administration (FDA) specifically for treatment of SAD, and no drug is FDA-
approved for acute, on-demand treatment of SAD. These FDA-approved chronic oral ADs have slow onset of effect (often many weeks or months) and significant side effects
that may make them inadequate or inappropriate treatment alternatives for many individuals affected by acute, episodic symptoms of SAD. Benzodiazepines, often referred to as
“benzos,” and beta blockers, both of which are not FDA-approved to treat SAD, also are prescribed by psychiatrists and physicians for treatment of SAD on an off-label basis.
Unlike ADs, which can take several weeks to take full effect, benzodiazepines have rapid-onset effect by slowing the nervous system to induce a calming effect that can last up
to twelve hours. However, the safety concerns and side effects of benzodiazepines, many of which are similar to side effects of alcohol, also can appear rapidly. Extended use of
benzodiazepines may lead to physical dependence, and weaning off benzodiazepines can take up to many months, often resulting in severe withdrawal symptoms, including
muscle pain, sweating, blurred vision, depression, seizures and delirium tremens similar to those experienced with alcohol withdrawal. Benzodiazepines users also can build up
a tolerance that requires increasingly larger doses over time. When taken with opioid drugs, benzodiazepine use may be quite dangerous, so much so that in 2016 the FDA
ordered that benzodiazepines must display a “black box” label on bottles to warn against their potential for dangerous interactions with opioids. We believe PH94B, with its
rapid-onset  activity  without  systemic  exposure  and  its  lack  of  benzodiazepine-like  side  effects  and  safety  concerns,  has  potential  to  displace  benzodiazepines  in  many
established anxiety disorder treatment paradigms.

PH94B neuroactive nasal spray is a synthetic investigational neurosteroid with a novel, rapid-onset mechanism of action developed from proprietary compounds called pherines
and  administered  at  microgram  doses  as  an  odorless  nasal  spray.  The  pharmacological  activity  of  VistaGen’s  PH94B  is  fundamentally  differentiated  from  that  of  all  FDA-
approved anti-anxiety drugs, or anxiolytics, including all ADs approved by the FDA for treatment of SAD. PH94B engages nasal chemosensory receptors that trigger a subset of
neurons  in  the  main  olfactory  bulbs  (OB)  in  nasal  passages.  The  OB  neurons  then  stimulate  inhibitory  GABAergic  neurons  in  the  limbic  amygdala,  decreasing  release  of
norepinephrine, and facilitating fear extinction activity of the limbic-hypothalamic system, the main fear and anxiety center in the brain, as well  as  other  parts  of  the  brain.
Importantly, PH94B does not require systemic uptake and distribution to produce its rapid-onset anti-anxiety effects.

In  a  peer-reviewed,  published,  randomized,  double-blind,  placebo-controlled  Phase  2  clinical  trial  (n=91),  with  Dr.  Michael  Liebowitz,  the  creator  of  the  Liebowitz  Social
Anxiety Scale (LSAS), as principal investigator, PH94B was significantly more effective than placebo in reducing both public-speaking (performance) anxiety (p=0.002) and
social interaction anxiety (p=0.009) in laboratory-induced challenges of individuals with SAD, as assessed using subjective anxiety ratings on the Subjective Units of Distress
Scale (SUDS) within 15 minutes of self-administration of a non-systemic 1.6 microgram dose of PH94B.

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In all Phase 1 and Phase 2 studies to date, PH94B’s safety profile has been exceptional, without indication of abuse potential, psychological side effects (such as dissociation or
hallucinations), sedation or other side effects and safety concerns that may be associated with ADs approved by the FDA for treatment of SAD, as well as with benzodiazepines
and  beta  blockers.  Based  on  its  novel  mechanism  of  pharmacological  action,  rapid-onset  of  therapeutic  effects  and  exceptional  safety  and  tolerability  profile  in  Phase  2
development, we are preparing for Phase 3 development of PH94B in the U.S. and abroad. Our goal is to develop and commercialize PH94B as the first FDA-approved, fast-
acting, on-demand, acute treatment for SAD without debilitating side effects and safety concerns.

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PH10 Neuroactive Nasal Spray for Major Depressive Disorder

Depression is a serious medical illness and a global public health concern that can occur at any time over a person's life. According to the World Health Organization (WHO),
depression is the leading cause of disability worldwide, affecting over 300 million people. Statistics from the U.S. National Institute of Mental Health (NIMH) indicate that an
estimated 17.3 million adults in the U.S., or approximately 7.1% of all adults in the U.S., had at least one major depressive episode in 2017. While most people will experience
depressed  mood  at  some  point  during  their  lifetime,  MDD  is  different.  MDD  is  the  chronic,  pervasive  feeling  of  utter  unhappiness  and  suffering,  which  impairs  daily
functioning. In typical depressive episodes, an individual experiences depressed mood, loss of interest and enjoyment, and reduced energy leading to diminished activity and
impaired daily functioning for at least two weeks and often much longer. Symptoms of MDD also may include diminished pleasure in activities, changes in appetite that result
in weight changes, insomnia or oversleeping, psychomotor agitation, loss of energy or increased fatigue, feelings of worthlessness or inappropriate guilt, difficulty thinking,
concentrating or making decisions, and thoughts of death or suicide and attempts at suicide. MDD is the psychiatric diagnosis most commonly associated with suicide.

For many people, depression cannot be controlled for any length of time without treatment. Current oral ADs available in the multi-billion-dollar global depression market have
modest efficacy, substantial lag of onset of action, and considerable side effects. Approximately two out of every three depression sufferers do not receive adequate therapeutic
benefits from their initial treatment with a standard AD, and the likelihood of achieving remission of depressive symptoms declines with each successive AD treatment attempt.
Even after multiple treatment attempts, approximately one-third of depression sufferers still fail to find an adequately effective AD. In addition, this trial and error process and
the systemic effects of the various ADs involved may increase the risk of patient tolerability issues and serious side effects, including suicidal thoughts and behaviors in certain
groups. New generation ADs with different mechanisms of action, faster onset activity and fewer side effects are needed.

While current FDA-approved ADs are widely used, about two-thirds of patients with MDD do not respond to their initial AD treatment. Inadequate response to current ADs is
among the key reasons MDD is one of the leading public health concerns in the United States, creating a significant unmet medical need for new agents with fundamentally
different mechanisms of action and safety profiles.

PH10 neuroactive nasal spray is a synthetic investigational neurosteroid with a novel, rapid-onset mechanism of action (MOA) that is fundamentally different from the MOA of
all  current  treatments  for  MDD.  Developed  from  proprietary  compounds  called  pherines,  PH10  is  self-administered  at  microgram  doses  as  an  odorless  nasal  spray.  PH10
activates nasal chemosensory receptors that trigger neural circuits in the brain that produce antidepressant effects. Specifically, PH10 engages nasal chemosensory receptors
that  trigger  a  subset  of  neurons  in  the  main  OB.  OB  neurons  then  stimulate  neurons  in  the  limbic  amygdala  that  release  norepinephrine  and  increase  activity  of  the  limbic-
hypothalamic sympathetic nervous system. Importantly, unlike all currently approved ADs, PH10 does not require systemic uptake and distribution to produce its rapid-onset
antidepressant effects. In addition, in clinical studies to date, PH10 has not caused psychological side effects (such as dissociation and hallucinations) or safety concerns that
may be associated with ketamine-based therapy (KBT), including intravenous ketamine or intranasal ketamine (esketamine), a nasal spray.

In a peer-reviewed, published exploratory Phase 2A clinical study (n=30), PH10, self-administered at a dose of 6.4 micrograms, was well-tolerated and demonstrated significant
(p=0.022) rapid-onset antidepressant effects, which were sustained over an 8-week period, as measured by the Hamilton Depression Rating Scale-17 (HAM-D-17), without side
effects or safety concerns that may be caused by certain oral ADs or KBT.

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With its potential for rapid-onset activity at a microgram dose that does not require systemic uptake to achieve sustained antidepressant effects, and, as demonstrated in the
PH10 Phase 2A program for MDD, an exceptional safety profile that is not expected to require administration in a clinical setting, we believe PH10 has transformative potential
in the treatment paradigm for multiple applications in global depression markets. Based on positive results from the PH10 Phase 2A program, we are preparing to conduct two
nonclinical studies necessary to support submission of our Investigational New Drug (IND) application to the FDA for Phase 2B clinical development of PH10 for rapid-onset
treatment of MDD. Our goal is to submit our IND for a Phase 2B study of PH10 in MDD in the first half of 2021, and, if authorized by the FDA, begin the study in the second
half of 2021. Although our initial plan is to develop PH94B as a new stand-alone therapy for MDD, we also believe PH10 has potential as a stand-alone therapy for treatment-
resistant depression (TRD) and postpartum depression (PPD), and as an adjunctive therapy to augment current FDA-approved ADs for individuals with MDD, TRD and PPD
who have an inadequate response to their current ADs and to prevent relapse following successful treatment with KBT.

AV-101 with Probenecid for MDD

AV-101  (4-Cl-KYN)  is  a  novel,  oral  prodrug  that  targets  the  NMDAR  (N-methyl-D-aspartate  receptor),  an  ionotropic  glutamate  receptor  in  the  brain. Abnormal  NMDAR
function  is  associated  with  numerous  CNS  diseases  and  disorders.  The  active  metabolite  of AV-101,  7-chloro-kynurenic  acid  (7-Cl-KYNA),  is  a  potent  and  selective  full
antagonist of the glycine coagonist site of the NMDAR that inhibits the function of the NMDAR. Unlike ketamine and many other NMDAR antagonists, 7-Cl-KYNA is not an
ion channel blocker. In clinical and nonclinical testing, AV-101 has good oral bioavailability, an excellent pharmacokinetic (PK) profile, and is not an inhibitor or inducer of the
human cytochrome P450 (CYP) isoforms. No binding of AV-101 or 7-Cl-KYNA to off-site targets was identified by an extensive receptor screening. Moreover, in all clinical
trials to date, AV-101 has been safe and very well-tolerated with no psychological side effects or safety concerns, and no treatment-related serious adverse events that are often
observed with classic channel-blocking NMDAR antagonists such as ketamine and amantadine.

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In late-2019, we completed a double-blind, placebo-controlled, Phase 2 clinical trial of AV-101 as a potential adjunctive treatment, together with a standard oral AD, in MDD
patients who had an inadequate response to a stable dose of a standard oral AD (the Elevate Study). Topline results of the Elevate Study (n=199) indicated that the AV-101
treatment  arm  (1440  mg)  did  not  differentiate  from  placebo  on  the  primary  endpoint  (change  in  the  Montgomery-Åsberg  Depression  Rating  Scale  (MADRS-10)  total  score
compared to baseline). After further analysis, we believe that this was likely due to sub-therapeutic concentrations in the brain of 7-Cl-KYNA, the active metabolite of AV-101,
resulting from the activity of certain organic ion efflux transporters which reduce 7-Cl-KYNA concentrations in the brain. As in all prior clinical studies, in the Elevate Study,
AV-101 was well tolerated, with no psychotomimetic side effects or drug-related serious adverse events.

Recent discoveries from successful AV-101 preclinical studies suggest that there is a substantial increase in brain concentrations of AV-101 and 7-Cl-KYNA when AV-101 is
given together with probenecid, which is known to block activity of certain organic ion efflux transporters in the kidney. These surprising results in the brain were first revealed
in our recent preclinical studies, and are consistent with well-documented clinical studies of probenecid increasing the therapeutic levels in the blood of several unrelated classes
of  approved  drugs,  including  certain  antibacterial,  anticancer  and  antivirals.  Many  clinical  studies  demonstrate  that  probenecid  is  safe  and  well  tolerated.  Probenecid
administered  adjunctively  with AV-101  in  an  animal  model  resulted  in  substantial  increased  brain  concentrations  of AV-101  (7-fold)  and  7-Cl-KYNA  (35-fold).  We  also
recently identified that these increases in brain levels could result from blocking of some of the same transporters in the blood brain barrier that are expressed in the kidney,
which  are  used  to  regulate  drug  levels  in  the  blood.  This  7-Cl-KYNA  efflux-blocking  effect  of  probenecid,  with  the  resulting  increased  brain  levels  and  duration  of  7-Cl-
KYNA, suggests the potential impact of AV-101 with probenecid could result in far more profound therapeutic benefits for patients with MDD and other NMDAR-focused
CNS diseases and disorders than was demonstrated in the Elevate Study. Some of the new discoveries from our recent AV-101 preclinical studies with adjunctive probenecid
were presented by a collaborator of VistaGen at the British Pharmacological Society’s Pharmacology 2019 annual conference in Edinburgh, UK in December 2019. Recent
nonclinical results also indicate that chronic administration of 4-Cl-KYN induces hippocampal neurogenesis, a hallmark of drugs that have antidepressive effects, and increases
endogenous levels of KYNA, which also is a functional NMDAR glycine site antagonist.

In addition, a Phase 1B target engagement clinical study completed after the Elevate Study by the Baylor College of Medicine (Baylor), with financial support from the U.S.
Department of Veterans Affairs (VA), involved 10 healthy volunteer U.S. military Veterans who received single doses of AV-101 (720 mg or 1440 mg) or placebo, in a double-
blind,  randomized,  cross-over  controlled  trial.  The  primary  goal  of  the  study  was  to  identify  and  define  a  dose-response  relationship  between  AV-101  and  multiple
electrophysiological (EEG) biomarkers related to NMDAR function, as well as blood biomarkers associated with suicidality (the Baylor Study). The findings from the Baylor
Study suggest that, in healthy Veterans, the higher dose of AV-101 (1440 mg) was associated with dose-related increase in the 40 Hz Auditory Steady State Response ( ASSR), a
robust measure of the integrity of inhibitory interneuron synchronization that is associated with NMDAR inhibition. Findings from the successful Baylor Study were presented
at the 58th Annual Meeting of the American College of Neuropsychopharmacology (ACNP) in Orlando, Florida in December 2019.

The  successful  Baylor  Study  and  the  recent  discoveries  in  our  preclinical  studies  involving AV-101  and  adjunctive  probenecid  suggest  that  it  may  be  possible  to  increase
therapeutic  concentrations  and  duration  of  7-Cl-KYNA  in  the  brain,  and  thus  increase  NMDAR  antagonism  in  MDD  patients  with  an  inadequate  response  to  standard ADs
when AV-101 and probenecid are combined. We are conducting additional preclinical studies of AV-101 with adjunctive probenecid to evaluate its potential applicability to
NMDAR-focused CNS indications for which we have existing AV-101 data without probenecid (depression, epilepsy, levodopa-induced dyskinesia, and neuropathic pain) to
determine the most appropriate next-step clinical studies of AV-101 plus adjunctive probenecid, which may include MDD, and optimal commercialization of AV-101.

The FDA has granted Fast Track designation for development of AV-101 as an adjunctive treatment for MDD in adult patients with an inadequate response to standard ADs.

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Additional Potential Clinical Development Programs

PH94B for Additional Anxiety Disorders

Adjustment Disorder with Anxiety

Almost  everyone  experiences  significant  life  events,  changes,  or  stressors  and  while  some  individuals  adjust  to  such  changes  within  a  few  months,  others  cannot  and  may
struggle with adjustment disorder. Adjustment disorder is an emotional or behavioral reaction considered excessive or disproportionate to a sudden change, stressful event or
major life change, such as loss of work, divorce or health setback, occurring within three months of the stressor, and/or significantly impairing a person’s social, occupational
and/or other important areas of functioning. The stress-related disturbance does not represent normal bereavement or meet the criteria for another mental disorder and is not
merely an exacerbation of a preexisting mental disorder.

The recent onset of mental health stressors associated with the COVID-19 pandemic has directly or indirectly affected hundreds of millions of individuals around the world.
With the future still uncertain in the COVID-19 era, including uncertainty about safety and protocols for reopening and operating workplaces, schools, universities and sporting
venues, as well as parks, beaches and other many other public and private locations, on top of fear and anxiety about catching and spreading the virus and about new waves of
cases and a new round of stay-at-home orders, has increased prevalence of AjDA considerably during the COVID-19 pandemic. We believe the mental health impact of the
COVID-19 pandemic will be long-term and varied across a wide range of anxiety disorders. PH94B has potential as a novel, acute treatment for AjDA, including stress and
impaired functioning as a result of recent-onset of stressors brought on by the health, safety, economic and social circumstances and consequences of the COVID-19 pandemic.
With  successful  Phase  2  development  of  PH94B  for  SAD  completed  and  preparations  for  Phase  3  development  underway,  we  are  also  planning  exploratory  Phase  2
development of PH94B for AjDA.

We recently submitted our proposed protocol for an exploratory Phase 2A study of PH94B for acute treatment of AjDA related to the COVID-19 pandemic to the FDA through
the  FDA’s  Coronavirus  Treatment Acceleration  Program  ( CTAP).  We  plan  to  conduct  the  proposed  Phase  2A  study  in  New  York  City,  the  epicenter  of  the  COVID-19
pandemic  in  the  U.S.,  on  an  open-label  basis  and  involve  approximately  30  adult  individuals  suffering  from AjDA  from  stressors  related  to  the  pandemic.  Dr.  Michael
Liebowitz, Professor of Clinical Psychiatry at Columbia University and director of the Medical Research Network in New York City, will serve as Principal Investigator of the
exploratory  Phase  2A  study.  Our  goal  in  this  Phase  2A  study  is  to  gain  initial  experience  with  PH94B  in  this  patient  population,  and,  based  on  those  results,  apply  that
experience to advance development into a Phase 2B randomized, double-blind, placebo-controlled study of approximately 150 subjects with AjDA.

Postpartum Anxiety

Even before the COVID-19 pandemic, there was compelling research indicating that about 17% of new mothers battle anxiety. Recent research reflects that the prevalence of
postpartum anxiety (PPA) among new mothers is increasing significantly during the COVID-19 pandemic. Combined with commonly experienced hormone changes and sleep
deprivation, key factors contributing to increasing mental health challenges among new mothers during the COVID-19 pandemic include job loss, lack of secure housing and
access to healthcare, physical isolation from friends and family, increased childcare, educational and household duties, and fear and uncertainty about the state of the world for
themselves and their newborn children.

With its potential to produce rapid-onset therapeutic effects at microgram doses, without requiring systemic uptake and without causing sedation, we believe PH94B may be
ideally suited for new mothers suffering with PPA, especially new mothers who are interested in breastfeeding and who would prefer a non-systemic, non-sedating therapeutic
alternative.

In collaboration with a leading academic university in the U.S., we are planning to explore opportunities to assess PH94B’s potential as a novel monotherapy for treating PPA in
a small (n=25-30) open-label, Phase 2A study.

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Post-Traumatic Stress Disorder

Post-traumatic  stress  disorder  (PTSD)  is  a  clinically  diagnosed  psychiatric  disorder  that  develops  in  some  people  who  have  experienced  or  witnessed  a  shocking,  scary,
dangerous  or  life-threatening  event,  such  as  military  combat,  natural  disasters,  terrorist  incidents,  serious  accidents,  or  physical  or  sexual  assault  in  adulthood  or
childhood. Symptoms of PTSD include flashbacks, nightmares, severe anxiety, uncontrollable intrusive thoughts, and emotional numbing after the event. More than 8 million
people in the U.S. suffer from PTSD. Anyone can develop PTSD at any age. According to the National Center for PTSD, about seven or eight out of every 100 people will
experience PTSD at some point in their lives. PTSD is often accompanied by depression, substance abuse or one or more of the other anxiety disorders.

It is natural to feel afraid during and after a traumatic situation. Fear triggers many split-second changes in the body to help defend against danger or to avoid it. This “fight-or-
flight”  response  is  a  typical  reaction  meant  to  protect  a  person  from  harm.  Because  PTSD  is  associated  with  a  heightened  “fight  or  flight”  response  mediated  by  increased
sympathetic  nervous  response  to  conditioned  stimuli,  an  agent  which  decreases  sympathetic  tone  may  be  able  to  treat  some  symptoms  of  PTSD.    In  Phase  2  studies,  at
microgram doses, PH94B has been shown to have anti-anxiety effects in patients with both generalized anxiety disorder and SAD. PH94B may therefore have utility either as
monotherapy or as add-on therapy in PTSD. Available therapeutic options for PTSD are limited, including only two FDA-approved SSRI antidepressants, which have limited
efficacy, undesirable side effects, and target only the symptoms of PTSD, not the underlying disorder itself. We are currently assessing PH94B’s potential for exploratory Phase
2 clinical development as a new generation, rapid-acting, anxiolytic for treatment of PTSD.

General Anxiety Disorder

Generalized Anxiety Disorder (GAD) is a common chronic neuropsychiatric disorder characterized by persistent, debilitating and excessive concern and worry about family,
friends,  health,  money,  work,  or  other  everyday  issues  and  situations.  Individuals  with  GAD  find  it  difficult  to  control  their  worry  and  may  worry  more  about  actual
circumstances than seems appropriate. They may also expect the worst even when there is no apparent reason to do so. GAD is diagnosed when an individual is unable or finds
it difficult to control worry on more days than not for at least six months and has three or more of the many symptoms of GAD, such as excessive and ongoing worrying and
tension, an unrealistic view of problems, restlessness, irritability, difficulty concentrating, or being easily startled. This differentiates GAD from worry that may be specific to a
set stressor or for a more limited period of time. According to the Anxiety and Depression Association, GAD affects approximately 6.8 million adults in the U.S. in any given
year. GAD comes on gradually and can begin across the life cycle, though the risk is highest between childhood and middle age.

People  with  GAD  do  not  know  how  to  stop  the  worry  cycle  and  feel  it  is  beyond  their  control,  even  though  they  usually  realize  that  their  anxiety  is  more  intense  than  the
situation  warrants.  Many  individuals  with  GAD  may  avoid  situations  because  they  have  the  disorder  or  they  may  not  take  advantage  of  important  professional  or  social
opportunities in their lives due to their anxiety and worry. When their anxiety is severe, it is difficult for individuals with GAD to carry out even the simplest of daily activities.
Currently, the standard of care for GAD includes psychotherapy and certain medications with limited therapeutic benefits and various side effects and safety concerns, including
antidepressants (SSRIs and SNRIs) and benzodiazepines.

PH94B demonstrated efficacy in a small, exploratory, placebo-controlled Phase 2 study in patients with GAD. Twenty-one patients were randomized to receive 200 picograms
of PH94B or placebo in a one-second aerosol pulse to the chemosensory epithelium of the anterior nasal septum. Thirty minutes after treatment there was mean reduction of
32.0% for the PH94B group and 19.6% for the placebo group in the total Hamilton Anxiety Rating Scale (HAM-A) score. Electrophysiological changes (respiratory, cardiac,
and  electrodermal  frequency),  concordant  with  the  reduction  in  anxiety,  were  significantly  greater  for  the  PH94B  group.  We  believe  these  transient  anti-anxiety  effects  of
PH94B may warrant further investigation in a larger Phase 2 GAD trial.

We are also assessing PH94B’s potential for exploratory Phase 2A studies to treat preoperative/pretesting anxiety and panic disorder. We are considering including open-label
investigation in these populations in the context of our long-term safety study in parallel with Phase 3 development of PH94B for acute treatment of SAD

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PH10 for Treatment-resistant Depression and Postpartum Depression

Treatment-resistant Depression

TRD is a form of depression that does not get better even after an individual has tried adequate and well-controlled doses of two different oral, FDA-approved antidepressant
therapies  taken  for  a  sufficient  period  of  time,  usually  at  least  six  weeks. Approximately  one-third  of  adults  with  MDD  battle  depression  symptoms  that  do  not  respond  to
current oral AD treatments, including persistent feelings of sadness, disturbances in their sleep patterns, low energy and thoughts of suicide.  Certain  populations,  especially
women and elderly individuals, experience TRD at higher rates than others. Individuals who endure severe or frequently recurring bouts of depression also appear to be more
susceptible  to  TRD. Individuals with MDD who also have certain underlying medical conditions, such as thyroid disease, chronic pain, substance abuse and eating or sleep
disorders, also may be at greater risk for TRD.

While certain individuals with TRD may benefit from giving their current oral antidepressant more time to work or by taking a larger dose, for others, switching to a different
class of antidepressant, or augmenting their current AD with an FDA-approved atypical antipsychotic may lead to remission. In recent years, ketamine-based therapy (KBT)
which includes intravenous ketamine and intranasal esketamine given adjunctively with a new oral AD, have been effective in treating TRD. However, KBT has significant
drawbacks.  Certain  patients  receiving  KBT  may  experience  uncomfortable  dissociative  symptoms,  hypertension,  or  other  side  effects  for  a  few  hours  after  administration.
Additionally, because of these potential side effects and safety concerns, as well as the potential for abuse, KBT must be administered in a clinical setting.

With its potential for rapid-onset at a microgram dose that does not require systemic uptake to achieve sustained antidepressant effects, and, as demonstrated in the PH10 Phase
2A  program  for  MDD,  an  exceptional  safety  profile  that  is  not  expected  to  require  administration  in  a  clinical  setting,  we  believe  PH10  has  transformative  potential  in  the
treatment  paradigm  for  multiple  applications  in  global  depression  markets,  including  as  a  new  stand-alone  therapy  for  TRD  and  to  prevent  relapse  following  successful
treatment for TRD with KBT. After we submit our IND for Phase 2B development of PH10 as a stand-alone treatment for MDD, we plan to assess its potential for exploratory
Phase2A development as a treatment for TRD.

Postpartum Depression

New mothers face many challenges, both practical and emotional, when adjusting to life following the birth of a newborn child. PPD develops around the time a woman gives
birth, occurring in approximately 15% of births, according to the NIMH. Women with PPD often struggle with anxiety, sadness, difficulty eating and sleeping, or disturbing
thoughts of worthlessness, shame, guilt or suicide, all significant depressive symptoms that may commence during pregnancy or typically within the first few months following
childbirth.  Other  symptoms  of  PPD  may  include  agitation,  loss  of  interest  in  daily  activities,  feeling  overwhelmed  and  fatigued,  and  inability  to  concentrate.  The  current
standard  of  care  for  PPD  involves  psychotherapy  and,  in  certain  mothers,  off-label  use  of  oral ADs  or  a  recently-approved  intravenous  neurosteroid,  all  of  which  require
systemic  uptake  to  achieve  a  therapeutic  effect,  a  potential  complication  for  new  mothers  who  wish  to  breastfeed  their  newborn  child.  The  recently-approved  intravenous
neurosteroid requires a lengthy continuous intravenous infusion (approximately 60 hours) that must be administered in a clinical setting and may also cause sedation.

As  demonstrated  in  an  exploratory  Phase  2A  study  of  PH10  in  adults,  including  adult  women,  PH10,  self-administered  intranasally  in  microgram  doses,  does  not  require
systemic uptake to achieve antidepressant effects and, based on its safety profile in all studies to date, is not expected to require inconvenient administration in a clinical setting.
PH10 is fundamentally differentiated from the FDA-approved neurosteroid for PPD, as well as all and ADs used off-label for treatment of PPD. Based on prior clinical studies
of PH10, including the exploratory Phase 2A clinical study of PH10 in MDD, we believe it has potential to be the first FDA-approved, rapid-onset, non-systemic stand-alone
treatment for PPD. After we submit our IND for Phase 2B development of PH10 as a stand-alone treatment for MDD, we plan to assess its potential for exploratory Phase 2A
development as a treatment for PPD.

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PH10 and AV-101 for Suicidal Ideation

According to the WHO, every year approximately 800,000 people worldwide take their own life and many more attempt suicide. The U.S. Centers for Disease Control (CDC)
views suicide as a major public health concern in the U.S. as rates of suicide have been increasing for both men and women and across all age groups. Suicide is the 10th
leading cause of death in the U.S. and is one of just three leading causes that are on the rise. According to experts in the field of suicidal ideation (SI), characterized as suicidal
thoughts  and  behavior,  the  number  of Americans  who  die  by  suicide  is,  since  2010,  higher  than  those  who  die  in  motor  vehicle  accidents.  People  of  all  genders,  ages,  and
ethnicities can be at risk for suicide. Suicidal ideation is complex and there is no single cause. The NIMH attributes many different factors to someone making a suicide attempt,
including, but not limited to, depression, other mental health disorders or substance abuse. Additionally, according to reports released by the VA, the U.S. Military Veteran
population is at significantly higher risk for suicide than the general population.

As  previously noted, we collaborated with Baylor and the VA on a small Phase 1b clinical trial of AV-101 in healthy volunteer U.S. Military Veterans from Operation Enduring
Freedom,  Operation  Iraqi  Freedom  or  Operation  New  Dawn.  The  Baylor  Study  was  a  randomized,  double-blind,  placebo-controlled  cross-over  study  designed  as  a  target
engagement study as the first-step in our plans to test potential anti-suicidal effects of AV-101 in U.S. Military Veterans who respond to ketamine-based therapy.

Going forward, we believe both PH10 and AV-101 may play a key role in a new treatment paradigm for SI. Accordingly, based on results of various IND-enabling preclinical
studies, and, after appropriate IND submissions, we will assess potential exploratory Phase 2A development of each drug candidate for treatment for stand-alone treatment of SI
and/or adjunctive treatment of SI together with KBT or other AD therapies.

AV-101 for Certain CNS Diseases and Disorders related to Abnormal NMDAR Function

Neuropathic Pain

NP  affects  approximately  33  million  people  in  the  United  States  (excluding  patients  with  back  pain)  according  to  an  article  published  in  the  Journal  of  Pain  Research  in
2017. NP is a complex, chronic pain state characterized by a steady burning "pins and needles" or "electric shock" sensation that results in abnormal neuronal function after
nerve damage. The American Chronic Pain Association has identified various causes of NP, including tissue injury, nerve damage or disease, diabetes, infection, toxins, certain
types  of  drugs,  such  as  antivirals  and  chemotherapeutic  agents,  certain  cancers,  and  even  chronic  alcohol  intake. Current  treatments  for  NP  include  antidepressants,
anticonvulsants (such as gabapentin and pregabalin), and opioids, among others. However, current medications may offer inadequate efficacy, have limiting side effects, and be
associated with abuse.

The effects of AV-101 as a potential new treatment for NP were assessed in published peer-reviewed preclinical studies involving four well-established models of pain. In these
studies, AV-101 was observed to have robust, dose-dependent anti-nociceptive effects, as measured by  dose-dependent reversal of NP in the Chung (nerve ligation), formalin
and carrageenan thermal models in rats, and was well-tolerated. The publication, titled: “Characterization of the effects of L-4-chlorokynurenine on nociception in rodents,” by
lead  author,  Tony  L.  Yaksh,  Ph.D.,  Professor  in Anesthesiology  at  the  University  of  California,  San  Diego,  was  published  in  The  Journal  of  Pain  in April  2017  (J  Pain.
18:1184-1196, 2017)). In recent studies in this preclinical model, AV-101 also had positive results using pregabalin as an active control. AV-101 demonstrated robust analgesic
effects, similar to Lyrica, but fewer side effects as measured in the rotarod assay. Neurontin and Lyrica have been associated with sedation and mild cognitive impairment in
third  party  literature  and  are  often  prescribed  for  treatment  of  NP.  Other  commonly  prescribed  medications  for  NP  include  drugs  targeting  opioid  receptors  in  the  brain.
Unfortunately, misuse of such drugs can lead to a significantly increased risk of addiction, and, we believe, their therapeutic utility for neuropathic pain is unclear.

Based on successful preclinical studies involving AV-101, gabapentin and pregabalin, as well as AV-101’s exceptional safety profile in all preclinical and clinical studies to
date, we are exploring the optimal development path forward, subject to securing sufficient capital, for Phase 2A clinical development of AV-101, together with probenecid, as a
new generation, non-opioid treatment to reduce debilitating NP, as well as its potential to avoid sedative side effects and cognitive impairment that have been observed in third
party literature to be associated with other NP treatments, and to reduce the risk of addiction associated with pain medications targeting opioid receptors.

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Levodopa-Induced Dyskinesia

Parkinson’s  disease  ( PD)  is  the  second  most  common  neurodegenerative  disease  worldwide,  affecting  approximately  one  million  people  in  the  U.S.,  according  to  the
Parkinson’s Foundation. Although there is no "one-size-fits-all” description of PD, PD is a complex neurodegenerative disorder that occurs when brain cells responsible for
making dopamine, a chemical that coordinates movement, stop working or die. This results in progressive deterioration of voluntary motor control. Loss of dopamine neurons is
thought to be due to neurotoxicity associated with misfolding of proteins and is associated with increased signaling of glutamate, the most abundant excitatory neurotransmitter
in the brain. Increased glutamate activity is involved with aberrant neuronal signaling and excitotoxic death of neurons. Classic PD motor symptoms include muscular rigidity,
resting tremor, and postural and gait impairment. Typically, PD patients present with a combination of motor and non-motor symptoms. Non-motor symptoms may include
cognitive impairment, sleep disorders pain and fatigue. There is currently no medication to slow, delay, stop or cure PD, and currently available treatments are symptomatic.
Treatment of motor symptoms with oral levodopa, introduced about 50 years ago, remains the gold standard treatment.

Levodopa-induced dyskinesia (LID) is a disorder that affects people with PD who are treated with levodopa for an extended period of time. Oral levodopa remains the most
effective  therapy  for  motor  symptoms  of  PD.  However,  after  continuous  long-term  use  (longer  than  five  years),  many  PD  patients  experience  LID.  Although  clinical
manifestations of LID are heterogenous, LID is commonly associated with abnormal involuntary movements, including chorea and dystonia. These motor complications tend to
become  more  severe  as  PD  progresses  and  as  the  duration  of  levodopa  treatment  is  extended,  until  the  impact  of  LID  may  compromise  the  advantage  of  treatment  with
levodopa. PD treatment with levodopa is routinely delayed due to concerns over LID. Once LID develops, levodopa-treated PD patients may be faced with a choice between
immobility due to untreated and uncontrolled PD, or mobility with the associated LID. Studies published in the New England Journal of Medicine and Movement  Disorders
have shown LID develops in approximately 45% of levodopa-treated Parkinson’s disease patients after five years and 80% after 10 years of levodopa treatment. In the U.S.,
there are an estimated 150,000 to 200,000 people with PD who are impacted by LID.

AV-101  is  not  a  dopamine-based  drug  candidate.  Rather, AV-101’s  active  metabolite,  7-Cl-KYNA,  is  a  potent  and  selective  NMDA  receptor  glycine  site  antagonist  with
neuroprotective properties, which receptor plays a major role in glutamatergic signaling and has been shown to be a therapeutic target for LID.

In a recently reported preclinical study in the “gold standard” MPTP monkey model of PD and LID, AV-101’s efficacy against LID was measured through behavioral scores on
a dyskinesia scale, and a Parkinsonian disability scale was used to measure levodopa anti-parkinsonian efficacy. This study demonstrated that AV-101 significantly (p = 0.01)
reduced  LID.  Importantly, AV-101  did  not  reduce  the  timing,  extent,  or  duration  of  the  therapeutic  effects  of  levodopa,  indicating  that AV-101  did  not  impact  the  anti-
parkinsonian efficacy of levodopa. Moreover, AV-101 did not cause adverse events often associated with amantadine therapy for LID, such as hallucinations, dizziness, and
falls. These preclinical results confirmed our prior anti-dyskinesia study in this MPTP monkey model. We believe these preclinical data and AV-101’s positive safety profile in
all clinical studies to date support AV-101’s potential to treat LID, while both maintaining the antiparkinsonian benefits of levodopa and without causing hallucinations or other
serious side effects that may be associated with amantadine therapy for LID. As a result, we are exploring the optimal development path forward, subject to securing sufficient
capital, for Phase 2A clinical development of AV-101, together with probenecid, as a new generation treatment for LID.

Epilepsy

Epilepsy is one of the most prevalent neurological disorders, affecting almost 1% of the worldwide population. According to the Epilepsy Foundation, as many as three million
Americans have epilepsy, and one-third of those suffering from epilepsy are not effectively treated with currently available medications. In addition, standard anticonvulsants
can cause significant side effects, which frequently interfere with compliance.

Glutamate is a neurotransmitter that is critically involved in the pathophysiology of epilepsy. Through its stimulation of the NMDAR subtype, glutamate has been implicated in
the neuropathology and clinical symptoms of the disease. In support of this, NMDAR antagonists are potent anticonvulsants. However, as noted, classic ion channel-blocking
NMDAR antagonists are limited by adverse effects, such as neurotoxicity, declining mental status, and the onset of psychotic symptoms following administration of the drug.
The endogenous amino acid glycine modulates glutamatergic neurotransmission by stimulating the glycine coagonist site of the NMDAR. Glycine site antagonists such as AV-
101’s active metabolite, 7-Cl-KYNA, inhibit NMDAR function and are therefore anticonvulsant and neuroprotective. Importantly, glycine site antagonists have fewer and less
severe side effects than classic ion channel-blocking NMDAR antagonists and other antiepileptic agents, making them a safer potential alternative to, and one expected to be
associated with greater patient compliance than, currently available anticonvulsant medications.

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In addition, another active metabolite of AV-101, 4-Cl-3-hydroxyanthranilic acid, inhibits the synthesis of quinolinic acid ( QUIN), which is an endogenous NMDAR agonist
that causes convulsions and excitotoxic neuronal damage.

AV-101  has  been  shown  to  protect  against  seizures  and  neuronal  damage  in  preclinical  animal  models  of  epilepsy.  We  believe AV-101’s  dual  action  as  a  NMDAR  GlyB
antagonist and QUIN synthesis inhibitor, and exploratory preclinical data, together with human safety data in all clinical studies to date, may provide support for AV-101’s
potential as an exploratory Phase 2A clinical development candidate for treatment of epilepsy. As a result,  we are planning to conduct additional preclinical studies to assess
AV-101’s optimal development path forward and potential for future Phase 2A clinical development, together with probenecid, as a new generation treatment for epilepsy.

VistaStem Therapeutics - Stem Cell Technology-Based Programs

Stem cells are the building blocks of all cells of the human body.  They have the potential to develop into many different mature cell types. Stem cells are defined by a minimum
of  two  key  characteristics:  (i)  their  capacity  to  self-renew,  or  divide  in  a  way  that  results  in  more  stem  cells;  and  (ii)  their  capacity  to  differentiate,  or  turn  into  mature,
specialized cells that make up tissues and organs. There are many different types of stem cells that come from different places in the body or are formed at different times
throughout our lives, including pluripotent stem cells and adult or tissue-specific stem cells, which are limited to differentiating into the specific cell types of the tissues in which
they reside. We focus exclusively on hPSCs, which can be differentiated into all of the more than 200 types of cells in the human body, can be expanded readily, and have
diverse medical research, drug discovery, drug rescue (DR), drug development and therapeutic applications. We believe hPSCs can be used to develop numerous cell types,
tissues and customized assays that can mimic complex human biology, including heart biology for DR applications.

VistaStem is our wholly owned subsidiary focused on applying our hPSC technology to discover, rescue, develop and commercialize proprietary new chemical entities (NCEs)
for our CNS pipeline and cellular therapies and RM involving hPSC-derived blood, cartilage, heart and liver cells. We used our hPSC-derived human heart cells to develop
CardioSafe 3D™, our customized in vitro bioassay system for predicting heart toxicity of potential DR NCEs.  We believe CardioSafe 3D is more comprehensive and clinically
predictive than the hERG assay and provides us with new generation human cell-based technology to identify and evaluate DR candidates and develop DR NCEs for our CNS
pipeline and/or out-licensing.

Drug Rescue 

Our DR activities are focused on producing, for our internal CNS pipeline or out-licensing, novel, proprietary and safer variants of still-promising NCEs previously discovered,
optimized and tested for efficacy by pharmaceutical companies and others but terminated before FDA approval due to unexpected heart toxicity. Our DR strategy involves using
CardioSafe 3D to assess the cardiac toxicity that caused certain NCEs available in the public domain to be terminated, and then produce and develop new, potentially safer, and
proprietary NCEs. We believe the pre-existing public domain knowledge base supporting the therapeutic and commercial potential of NCEs that we target for our DR programs
will provide us with a valuable head start as we launch each of our potential DR programs. The essential components of our DR strategy are to (i) leverage the substantial prior
investments  by  global  pharmaceutical  companies  and  others  in  discovery,  optimization  and  efficacy  validation  of  the  NCEs  we  identify  in  the  public  domain  and  (ii)  use
CardioSafe  3D  to  enhance  our  understanding  of  the  cardiac  liability  profile  of  such  NCEs,  insight  not  previously  available  when  the  NCEs  were  originally  discovered,
optimized for efficacy and developed by others, and (iii) demonstrate preclinical proof-of-concept (POC) as to the efficacy and safety of new, safer DR NCEs in standard in
vitro  and in vivo  models  earlier  in  development  and  with  substantially  less  investment  in  discovery  and  preclinical  development  than  was  required  of  others  prior  to  their
decision to terminate the original NCE. In this context, POC means that the lead DR NCE, as compared to the original previously-terminated original NCE, demonstrates both
(i) equal or superior efficacy in the same, or a similar, in vitro and in vivo preclinical efficacy models used by the initial developer of the previously-terminated NCE before it
was terminated for cardiac safety reasons, and (ii) significant reduction of concentration dependent cardiotoxicity in CardioSafe 3D.

Regenerative Medicine

Stem cell technology-based cell therapy (CT)  and  RM  have  the  potential  to  transform  healthcare  by  providing  new  approaches  for  treating  the  fundamental  mechanisms  of
disease.  We  currently  intend  to  establish  strategic  CT-  and/or  RM-focused  collaborations  to  leverage  our  hPSC  technology  platform,  our  expertise  in  human  biology,
differentiation of hPSCs to develop functional adult human cells and tissues involved in human disease, including blood, bone, cartilage, heart and liver cells for CT and RM
purposes. We have exclusively sublicensed to BlueRock Therapeutics, a next generation RM company established by Bayer AG and Versant Ventures and later acquired by
Bayer, rights to certain proprietary technologies relating to the production of cardiac stem cells for the treatment of heart disease (the Bayer Agreement). In a manner similar to
the Bayer Agreement, we may pursue additional CT and RM collaborations or licensing transactions involving blood, cartilage, and/or liver cells derived from hPSCs for CT
and RM applications.

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Intellectual Property

We strive to protect the proprietary know-how and technology that we believe is important to our business, including seeking and maintaining patents intended to cover our
product  candidates  and  related  pharmaceutical  compositions,  their  therapeutic  methods  of  use,  including  therapeutic  and  prognostic  methods,  as  well  as  processes  for  their
manufacture, and any other aspects of our discoveries and inventions that are commercially important to the development of our business.

We may also rely on trade secrets to protect aspects of our business that are not amenable to, or that we do not consider appropriate for, patent protection. We also rely on know-
how, continuing technological innovation and in-licensing opportunities to develop and maintain our proprietary position. We seek to obtain domestic and international patent
protection, and endeavor to promptly file patent applications for new commercially valuable inventions.

To  protect  our  rights  to  our  proprietary  technology,  we  require  all  employees,  as  well  as  our  external  collaborators,  consultants  and  CROs  when  feasible,  to  enter  into
agreements that require disclosure and assignment to us of ideas, developments, discoveries and inventions made by these employees, consultants, and CROs in the course of
their service to us.

We plan to continue to expand our intellectual property estate by filing patent applications directed to compositions, methods of use, including treatment and patient selection,
formulations and manufacturing processes created or identified from our ongoing development of our product candidates.

Patents

We own and have licensed granted patents and pending patent applications in the U.S. and in certain foreign countries. These patent properties include, but are not limited to:

PH94B (licensed by us from Pherin Pharmaceuticals, Inc. (Pherin))

●

Two granted U.S. patents and other foreign patents related to the reduction of anticipatory anxiety or social phobic response;
and

The U.S. patents related to PH94B nominally expire either in 2025 or 2028, respectively, and foreign patents nominally expire in 2026, subject to extensions that may be
available on a country-by-country basis.

PH94B patent application owned by VistaGen:

●

Pending  U.S.  patent  application  related  to  the  treatment  of  adjustment  disorder  with
anxiety.

Patents that may be granted on this patent application nominally will expire in 2041.

PH10 (licensed by us from Pherin)

● One  granted  U.S.  patent  related  to  treatment  of  depressive  disorders;

and

● Granted  foreign  patents  and  pending  foreign  patent  applications  related  to  treatment  of  depressive

disorders.

The U.S. and foreign patents related to PH10 nominally expire in 2033, subject to extensions that may be available on a country-by-country basis.

AV-101

●

●

●

●

●

Four granted U.S. patents related to the treatment of depression with AV-101, certain unit dose formulations of AV-101 effective to treat depression, and treatment of
dyskinesia induced by the administration of L-DOPA;

Pending U.S. patent applications and foreign granted patents and pending foreign patent applications related to treatment of various disorders, including depression, LID,
neuropathic pain (NP), tinnitus and obsessive-compulsive disorder;

Pending U.S. patent application related to the prognostic identification of high and low responders to treatment of various CNS disorders with AV-
101;

Pending U.S. patent application related to the therapeutic use of the combined administration of AV-101 plus probenecid;
and

Two granted U.S. patents, and foreign granted patents and pending foreign patent applications related to the manufacture of AV-
10.

The  U.S.  and  foreign  patents  related  to AV-101  nominally  expire  between  2034  and  2040,  depending  on  the  particular  subject  matter,  subject  to  extensions  that  may  be
available on a country-by-country basis.

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Stem Cell Technology (owned by us and/or licensed by us from the University Health Network (Toronto) or Icahn School of Medicine at Mount Sinai)

Cardiac Cells

● U.S. and foreign patents and patent applications relating to methods for enriching pluripotent stem cell-derived cardiomyocyte cells, methods for generating epicardium
cells,  methods  for  making  and  using  sino-atrial  node-like  pacemaker  and  ventricular-like  cardiomyocytes  and  methods  for  generation  of  atrial  and  ventricular
cardiomyocyte lineages.

The U.S. and foreign patents and patent applications related to cardiac stem cells nominally expire between 2031 and 2037, subject to extensions that may be available on a
country-by-country basis. Additionally, therapeutic and certain other fields of use have been licensed by us to Bayer under the Bayer Agreement.

Blood Cells

● U.S.  and  foreign  patents  and  patent  applications  relating  mesoderm  and  definitive  endoderm  cell  populations,  and  to  populations  of  hematopoietic

progenitors.

The U.S. and foreign patents and patent applications related to blood stem cells nominally expire between 2023 and 2032, subject to extensions that may be available on a
country-by-country basis.

Cartilage and Chondrocyte Cells

● U.S.  and  foreign  patents  and  patent  applications  relating  to  methods  and  compositions  for  generating  chondrocyte  lineage  cells  and  cartilage  like

tissue.

The U.S. and foreign patents and patent applications related to blood stem cells nominally expire in 2034, subject to extensions that may be available on a country-by-country
basis.

Liver and Biliary Cells

● U.S. and foreign patents and patent applications relating to methods for generating hepatocytes and cholangiocytes from pluripotent stem cells and to toxicity typing

using liver stem cells.

The U.S. and foreign patents and patent applications related to blood stem cells nominally expire between 2021 and 2034.

Patent Term

The base term of a U.S. patent is 20 years from the filing date of the earliest-filed non-provisional patent application from which the patent claims priority. The term of a U.S.
patent can be lengthened by patent term adjustment, which compensates the owner of the patent for administrative delays at the U.S. Patent and Trademark Office (PTO). In
some cases, the term of a U.S. patent is shortened by a terminal disclaimer that reduces its term to align with that of a related patent.

Depending  upon  the  timing,  duration  and  specifics  of  the  FDA  approval  of  our  drug  candidates,  if  any,  some  of  our  U.S.  patents  may  be  eligible  for  limited  patent  term
extension  under  the  Drug  Price  Competition  and  Patent  Term  Restoration  Act  of  1984,  commonly  referred  to  as  the  Hatch-Waxman  Amendments.  The  Hatch-Waxman
Amendments permit a patent restoration term of up to five years as compensation for patent term lost during product development and the FDA regulatory review process.
However, patent term restoration cannot extend the remaining term of a patent beyond a total of 14 years from the product’s approval date. The patent term restoration period is
generally one-half the time between the effective date of an IND and the submission date of an NDA (testing phase), plus the time between the submission date of an NDA and
the approval of that application (approval phase). This patent term restoration period may be reduced by the FDA if it finds that applicant did not act with due diligence during
the testing phase or the approval phase. Only one patent related to an approved drug is eligible for the extension and the application for the extension must be submitted prior to
the expiration of the patent. The U.S. PTO, in consultation with the FDA, reviews and approves the application for any patent term extension or restoration. In the future, if
circumstances permit, we intend to apply for restoration of patent term for one of our then-owned or licensed patents, if any, to extend patent life beyond its current expiration
date, depending on the expected length of the clinical trials and other factors involved in the filing of the relevant NDA.

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Some of our products may also be entitled to certain non-patent-related data exclusivity under the FDCA. The FDCA provides a five-year period of non-patent data exclusivity
within the U.S. to the first applicant to obtain approval of an NDA for a new chemical entity. A drug is a new chemical entity if the FDA has not previously approved any other
new drug containing the same active moiety, which is the molecule or ion responsible for the action of the drug substance. During the exclusivity period, an abbreviated new
drug application (ANDA), or a 505(b)(2) NDA may not be submitted by another company for another drug containing the same active moiety, regardless of whether the drug is
intended for the same indication as the original innovator drug or for another indication, where the applicant does not own or have a legal right of reference to all the data
required for approval. However, an application may be submitted after four years if it contains a certification of patent invalidity or non-infringement to one of the patents listed
with the FDA Orange Book by the innovator NDA holder. The FDCA also provides three years of marketing exclusivity for a full NDA, or supplement to an existing NDA if
new clinical investigations, other than bioavailability studies, that were conducted or sponsored by the applicant are deemed by the FDA to be essential to the approval of the
application,  for  example,  for  new  indications,  dosages  or  strengths  of  an  existing  drug.  Three-year  exclusivity  prevents  the  FDA  from  approving ANDAs  and  505(b)(2)
applications that rely on the information that served as the basis of granting three-year exclusivity. This three-year exclusivity covers only the modification for which the drug
received approval on the basis of the new clinical investigations, and does not prohibit the FDA from approving ANDAs for drugs containing the active agent for the original
indication or condition of use. Five-year and three-year exclusivity will not delay the submission or approval of a full NDA. However,  an  applicant  submitting  a  full  NDA
would be required to conduct or obtain a right of reference to all of the nonclinical studies and adequate and well-controlled clinical trials necessary to demonstrate safety and
efficacy.

Some  foreign  jurisdictions,  including  Europe  and  Japan,  also  have  patent  term  extension  provisions,  which  allow  for  extension  of  the  term  of  a  patent  that  covers  a  drug
approved  by  the  applicable  foreign  regulatory  agency.  In  the  future,  if  and  when  our  pharmaceutical  products  receive  FDA  approval,  we  expect  to  apply  for  patent  term
extension on patents covering those products, their methods of use, and/or methods of manufacture.

Trade Secrets

In  addition  to  patents,  we  may  rely  on  trade  secrets  and  know-how  to  develop  and  maintain  our  competitive  position.  We  protect  trade  secrets,  if  any,  and  know-how  by
establishing confidentiality agreements and invention assignment agreements with our employees, consultants, scientific advisors, contractors and partners. These agreements
provide that all confidential information developed or made known during the course of an individual’s or entity’s relationship with us must be kept confidential during and
after the relationship. These agreements also generally provide that all relevant inventions resulting from work performed for us or relating to our business and conceived or
completed during the period of employment or assignment, as applicable, shall be our exclusive property. In addition, we take other appropriate precautions, such as physical
and technological security measures, to guard against misappropriation of our proprietary information by third parties.

Trademarks

The Company also owns a registered trademark in the U.S. for “VISTAGEN,” which was renewed in 2014. In addition, we use trademarks in our business for CardioSafe 3D
and LiverSafe 3D.

Strategic Transactions and Relationships

Strategic collaborations are an important cornerstone of our corporate development strategy. We believe that our highly selective outsourcing of certain research, development,
manufacturing  and  regulatory  activities  gives  us  flexible  access  to  a  broad  range  of  capabilities  and  expertise  at  a  lower  overall  cost  than  developing  and  maintaining  such
capabilities and expertise internally on a full-time basis. In particular, we contract with third parties for certain manufacturing, nonclinical development, clinical development
and regulatory affairs support.

We may seek multiple strategic collaborations and relationships focused on development and commercialization of our product candidates in regions outside the U.S.

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We  have  customary  clinical  supply  agreements  and  customary  agreements  with  clinical  research  organizations  to  help  us  manage  our  nonclinical  and  clinical  development
programs. Each of our commercial agreements is non‑exclusive, and we have no material contractual obligations under such agreements, except to the extent we order supplies
or request services to be performed under work orders that we generate from time to time.

Commercial Agreements

Exclusive License and Collaboration Agreements with Pherin 

Material License Agreements

In September 2018, we acquired from Pherin an exclusive worldwide license to develop and commercialize PH94B. In October 2018, we acquired from Pherin an exclusive
worldwide license to develop and commercialize PH10. Under the terms of the PH94B and PH10 license agreements, we are obligated to make additional cash payments, and
pay royalties, to Pherin in connection with our sublicense, development and commercialization collaborations involving PH94B and/or PH10, as well as in the event that certain
development  milestones  and  commercial  sales  are  achieved. Additionally,  in  connection  with  the  license  agreements,  we  are  obligated  to  pay  to  Pherin  monthly  support
payments of $10,000 for a term of the earlier of 18 months or the termination of the license agreement, however no monthly support payment is required under the 18-month
period  identified  in  the  PH10  license  agreement  if  support  payments  are  being  made  under  the  terms  of  the  PH94B  license  agreement.  In April  2020,  we  completed  our
obligation to pay such monthly support payments to Pherin, and that contractual requirement has been fully satisfied.

Exclusive License and Collaboration Agreement with EverInsight Therapeutics

In June 2020, we entered into a license and collaboration agreement (the EverInsight License Agreement) with EverInsight Therapeutics Inc., a company incorporated under the
laws of the British Virgin Islands (EverInsight), pursuant to which we granted EverInsight an exclusive license to develop, manufacture and commercialize PH94B for multiple
anxiety-related disorders in Greater China (Mainland China, Hong Kong, Macau and Taiwan), South Korea and Southeast Asia (Indonesia, Malaysia, Philippines, Thailand and
Vietnam) (collectively, the Territory). We retained development, manufacturing and commercialization rights for PH94B in the rest of the world.

Under the terms of the EverInsight License Agreement, we are entitled to receive an upfront payment of $5.0 million. We may also receive up to an additional $172 million in
milestone  payments  upon  EverInsight’s  achievement  of  certain  developmental,  regulatory  and  sales  milestone  events  related  to  PH94B,  which  achievement  cannot  be
guaranteed. We are also entitled to receive certain royalties on net sales, if any, of PH94B in the Territory following receipt of any required regulatory approval. In addition,
EverInsight has the right to sublicense to affiliates and third parties in the Territory. EverInsight is responsible for all costs related to developing, obtaining regulatory approval
of  and  commercializing  PH94B  in  the  Territory. A  joint  development  committee  will  be  established  between  the  Company  and  EverInsight  to  coordinate  and  review  the
development, manufacturing and commercialization plans with respect to PH94B in the Territory. Unless earlier terminated due to certain material breaches of the contract, or
otherwise, the EverInsight License Agreement will expire on a jurisdiction-by-jurisdiction basis until the latest to occur of expiration of the last valid claim under a licensed
patent of PH94B in such jurisdiction, the expiration of regulatory exclusivity in such jurisdiction or ten years after the first commercial sale of PH94B in such jurisdiction.

Manufacturing and Supply

Manufacturing  of  the  drug  substance  and  drug  product  for  our  product  candidates  is  done  by  third-parties  and  must  comply  with  FDA  current  good  manufacturing  practice
(cGMP) regulations. Our product candidates are comprised of synthetic small molecules made through a series of organic chemistry steps starting with commercially available
organic chemical raw materials. We do not currently own or operate, nor do we plan to own or operate, any manufacturing facilities for the clinical or commercial production of
our drug candidates. We conduct manufacturing activities under individual project or work orders with independent CMOs, to supply all of our nonclinical and clinical trial
needs.  We  conduct  periodic  quality  audits  of  their  facilities.  We  believe  that  our  existing  suppliers  of  our  product  candidate’s  active  pharmaceutical  ingredients  and  drug
products will be capable of providingsufficient quantities of each to meet our clinical trial supply needs. Other CMOs may be used in the future for clinical supplies and, subject
to approval, commercial manufacturing.

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By design, we do not currently have any fixed contractual arrangements in place for either long-term supply or redundant supply of bulk drug substance or drug product for our
product  candidates.  If  our  product  candidates  are  approved,  we  intend  to  contract  with  CMOs  to  produce  all  of  our  future  commercial  supplies  on  our  behalf.  We  plan  to
mitigate  potential  commercial  supply  risks  for  any  products  that  are  approved  in  the  future  through  inventory  management  and  through  exploring  additional  back-up
manufacturers, both in the U.S. and outside the U.S., to provide API and/or drug product.

Sales and Marketing

We believe that we can successfully launch and commercialize PH94B for acute treatment of SAD on our own in the U.S., if approved in the U.S. by the FDA. Upon successful
completion of our PH94B Phase 3 clinical development program for acute treatment of SAD, should that occur, we believe that we can cost effectively build a commercial
infrastructure in the U.S. in advance of U.S. approval of PH94B for acute treatment of SAD and ultimately implement a targeted sales force required to commercialize PH94B
in  the  U.S.  Support  for  this  targeted  team  will  include  sales  management,  internal  sales  support,  distribution  support,  and  an  internal  marketing  group. Additional  requisite
capabilities will include focused management of key accounts such as managed care organizations, group purchasing organizations, and government accounts. We also may
seek co-promotion partners for our U.S. sales efforts to achieve broader reach or call frequency with other U.S. target physicians.

We  believe  that  there  are  significant  market  opportunities  for  our  products  outside  of  the  U.S.  As  a  result,  as  we  have  done  with  EverInsight  for  development  and
commercialization of PH94B in Greater China, South Korea and Southeast Asia, we plan to seek strategic partnerships with third party collaborators, which third-parties may
have greater reach and resources by virtue of their size and/or experience in the field, for the development and commercialization of our products outside the U.S. We may elect
in the future to utilize strategic partners, distributors, or contract sales forces to assist in the commercialization of our products. In order to implement this infrastructure, we will
have  to  allocate  management  resources  and  make  significant  financial  investments  prior  to  and  following  any  product  approval,  through  the  hiring  of  a  targeted  sales  and
marketing force. We expect to focus our future sales and marketing efforts, if PH94B is approved for acute treatment of SAD, on psychiatrists and select primary care physicians
and potentially on pediatricians who are likely to see adolescents, as well as nurse practitioners and psychologists who, in some states, are permitted to prescribe medications.

Should we advance PH10 and AV-101 through successful completion of Phase 2 and Phase 3 clinical development for treatment of MDD and/or other CNS indications, we
plan to file for and obtain regulatory approval of PH10 and AV-101 in the U.S. and then commercialize them in the U.S. on our own and outside the U.S. with third-party
collaborators.

Clinical, Regulatory and Scientific Advisors

We  have  formed  a  Clinical  and  Regulatory Advisory  Board  (CRA  Board)  and  a  Scientific Advisory  Board  (SAB)  composed  of  leading  experts  in  the  areas  of  related  to
development of our product portfolio, including anxiety, depression, neuropathic pain, FDA regulations, clinical trial design, drug rescue and medicinal chemistry, and stem cell
technology,  cell  therapy  and  regenerative  medicine.  These  experts  provide  us  with  key  scientific,  clinical,  regulatory  and  strategic  guidance  concerning  our  development
programs in anxiety, depression and other CNS disorders, as well as potential applications of our stem cell technology platform. The following are members of our CRA Board:
Maurizio  Fava,  M.D.,  Director  of  the  Clinical  Research  Program  and  Executive  Vice  Chair  of  the  Department  of  Psychiatry  at  Massachusetts  General  Hospital,  and  Slater
Family  Professor  of  Psychiatry  at  Harvard  Medical  School;  Thomas  Laughren,  M.D.,  retired  Division  Director  of  the  FDA’s  Division  of  Psychiatry  Products;  Michael
Liebowitz, M.D., Professor of Clinical Psychiatry at Columbia University and director of the Medical Research Network in New York City; Gerard Sanacora, M.D., Ph.D.,
George D. and Esther S. Gross Professor of Psychiatry, Director of Yale Depression Research Program and Co-Director of Yale New Haven Hospital Interventional Psychiatry
Service;  Sanjay  Mathew,  M.D.,  vice  chair  for  research  and  professor  of  psychiatry  and  behavioral  sciences  at  Baylor  College  of  Medicine  and  a  Staff  Psychiatrist  at  the
Michael E. DeBakey VA Medical Center; and Mark Wallace, M.D., Distinguished Professor of Clinical Anesthesiology at the University of California, San Diego. Members of
our SAB include Gordon Keller, Ph.D., Director of University Health Network McEwen Stem Cell Institute, and Professor, Department of Medical Biophysics, University of
Toronto, Ontario, and Ron Wester, Ph.D., retired Vice President, Medicinal Chemistry and Drug Discovery at Pfizer Global R&D.

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Competition

The biopharmaceutical industry is highly competitive and subject to rapid and significant technological change. The high unmet need in large and growing global markets for
anxiety, depression and other CNS diseases and disorders, as well as stem cell technology, cell therapy and regenerative medicine, make them attractive therapeutic areas and
market opportunities for biopharmaceutical businesses. We face potential competition from many different sources, including major pharmaceutical, specialty pharmaceutical,
and biotechnology companies, academic institutions, governmental agencies, and public and private research institutions. Any product candidates that we successfully develop
and commercialize will compete with existing therapies and new therapies that may become available in the future. Many of our competitors may have significantly greater
financial resources and expertise in  research  and  development,  manufacturing,  preclinical  testing,  conducting  clinical  studies,  obtaining  regulatory  approvals,  and  marketing
approved products than we do. Several of these entities have commercial products, robust drug pipelines, readily available capital, and established research and development
organizations. Mergers and acquisitions in the pharmaceutical, biotechnology, and diagnostic industries may result in even more resources being concentrated among a smaller
number of our competitors. These competitors also compete with us in recruiting and retaining qualified scientific and management personnel and establishing clinical study
sites and patient registration for clinical studies, as well as in acquiring technologies complementary to, or necessary for, our programs. Small or early-stage companies may
also  prove  to  be  significant  competitors,  particularly  through  collaborative  arrangements  with  large  and  established  companies.  It  is  probable  that  the  number  of  companies
seeking to develop products and therapies similar to our products will increase. The key competitive factors affecting the success of all of our product candidates, if approved,
are likely to be their efficacy, safety, convenience, price, the level of branded and generic competition, and the availability of reimbursement from government and other third-
party payors.

Although  currently  there  are  no  FDA-approved  therapies  for  SAD  with  the  mechanism  of  action  of  PH94B,  and  we  are  aware  of no  company  developing  a  potential  acute
treatment for SAD that is either a nasal spray or involves the same mechanism of pharmacological action as PH94B. However, although they are not FDA-approved for the
acute treatment of SAD and are associated with side effects and safety concerns we do not anticipate to be associated with PH94B, we may face competition to PH94B for acute
treatment of SAD from off-label use of generic benzodiazepines and generic beta blockers. In addition, although there are three antidepressants approved by the FDA for overall
treatment of SAD, such drugs do not achieve rapid-onset therapeutic effects.

Although currently there are no FDA-approved oral therapies for MDD with the mechanism of pharmacological action of either PH10 or AV-101, we are aware of  numerous
pharmaceutical and biotechnology companies that are developing therapies targeting the MDD market, including with drug candidates focused on the NMDAR. Certain of the
potential  MDD  therapies  being  developed  are  broad  NMDAR  antagonists  and  tend  to  have  multiple  target  actions.  We  believe AV-101  is  a  specific  NMDAR  glycine  site
antagonist,  without  negative  off-target  activity  in  preclinical  screening.  We  are  aware  of  the  numerous  companies  developing  or  commercializing  therapies  for  MDD  or
NMDAR-targeted  therapies  for  other  CNS  disorders.  Such  companies  include  but  are  not  limited  to,  Acadia,  Adamas,  Alkermes,  Allergan,  Aptynix,  Avanir,  Axsome,
Biohaven, Biogen, BlackThorn, Cadent, Cerecor, Eli Lilly, Janssen, Lundbeck, Minerva, Navitor, NeuroRx, Otsuka, Novartis, Perceptive Neuroscience, Praxis, Relmada, Sage,
Seelos, Shionogi, Taisho and Takeda.  Additionally, with respect to MDD, we expect that PH10 and AV-101 will have to compete with a variety of therapeutic procedures for
treatment of MDD, such as psychotherapy and electroconvulsive therapy.

We believe that VistaStem’s hPSC technology platform, the hPSC-derived human cells we study, and the customized human cell-based assay systems we have developed and
used are capable of being competitive in the diverse and growing global stem cell, CT and RM markets, including potential markets involving the sale of hPSC-derived cells to
third-parties  for  their in  vitro  drug  discovery  and  safety  testing,  contract  predictive  toxicology  drug  screening  services  for  third  parties,  internal  drug  discovery,  drug
development and DR of new NCEs, and RM, including in vivo CT research and development. A representative list of such biopharmaceutical companies pursuing one or more
of these potential applications of adult and/or hPSC technology includes, but is not limited to, the following: Acea, Astellas, Athersys, BioCardia, BioTime, Caladrius, Cellectis,
Cellerant, Cytori, Fujifilm, HemoGenix, International Stem Cell, Neuralstem, Organovo, PluriStem, and Stemina BioMarker Discovery. Pharmaceutical companies and other
established corporations such as Bristol-Myers Squibb, Charles River, GE Healthcare, GlaxoSmithKline, Novartis, Pfizer, Roche Holdings, Thermo Fisher and others have been
and are expected to continue pursuing internally various stem cell-related research and development programs. Many of the foregoing companies have greater resources and
capital availability and as a result, may be more successful in their research and development programs than us. We anticipate that acceptance and use of hPSC technology for
drug development, CT and RM will continue to occur and increase at pharmaceutical and biotechnology companies in the future.

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While we believe that our employees’ and consultants’ scientific knowledge, technology, and development experience provide us with competitive advantages, many of our
potential competitors, alone or with their strategic partners, have substantially greater financial, technical and human resources than we do and significantly greater experience in
the discovery and development of product candidates, obtaining FDA and other regulatory approvals of treatments and the commercialization of those treatments.  

Government Regulation and Product Approval

Government authorities in the U.S., at the federal, state, and local level, and in other countries and supranational regions, extensively regulate, among other things, the research,
development, testing, manufacture, packaging, storage, recordkeeping, labeling, advertising, promotion, distribution, marketing, import, and export of pharmaceutical products
such as those we are developing. In addition, healthcare regulatory bodies in the United States and around the world impose a range of requirements related to the payment for
pharmaceutical  products,  including  laws  intended  to  prevent  fraud,  waste,  and  abuse  of  healthcare  dollars.  This  includes,  for  example,  requirements  that  manufacturers  of
pharmaceutical products participating in Medicaid and Medicare comply with mandatory price reporting, discount, rebate requirements, and other cost control measures, as well
as anti-kickback laws and laws prohibiting false claims. Some states also have enacted fraud, waste, and abuse laws that parallel (and in some cases apply more broadly than)
federal  laws,  and  in  some  cases  price  transparency  requirements.  The  processes  for  obtaining  regulatory  approvals  in  the  United  States  and  in  foreign  countries,  along  with
subsequent  compliance  with  applicable  statutes  and  regulations,  require  the  expenditure  of  substantial  time  and  financial  resources.  Further,  healthcare  is  an  active  area  of
governmental scrutiny, and it is reasonable to expect that the requirements may become more stringent within the foreseeable future.

FDA Regulation

In  the  U.S.,  the  FDA  regulates  drugs  under  the  Federal  Food,  Drug,  and  Cosmetic Act  (FDCA)  and  its  implementing  regulations.  The  process  required  by  the  FDA  before
product candidates may be marketed in the U.S. generally involves the following:

●

●

●

●

●

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●

●

●

completion  of  preclinical  laboratory  tests,  animal  studies,  and  formulation  studies  in  compliance  with  the  FDA’s  Good  Laboratory  Practice  (GLP)
regulations;

submission  to  the  FDA  of  an  IND  which  must  become  effective  before  human  clinical  trials  may
begin;

approval  by  an  independent  Institutional  Review  Board  (IRB)  for  each  clinical  site  or  centrally,  before  each  trial  may  be
initiated;

adequate and well‑controlled human clinical trials to establish the safety and efficacy of the proposed drug candidates for its intended use, performed in accordance
with current Good Clinical Practices (GCP);

development  of  manufacturing  processes  in  compliance  with  current  cGMPs  to  ensure  the  drug’s  identity,  strength,  quality,  and
purity;

compilation  of  required  information  and  submission  to  the  FDA  of  an
NDA;

satisfactory  completion  of  an  FDA  advisory  committee  review, 
applicable;

if

satisfactory completion of an FDA inspection of the manufacturing facility or facilities at which the product is produced to assess compliance with cGMPs, and to
assure that the facilities, methods, and controls are adequate to preserve the drug’s identity, strength, quality, and purity, as well as satisfactory completion of an FDA
inspection of selected clinical sites and selected clinical investigators to determine GCP compliance; and

FDA  review  and  approval  of  the  NDA  to  permit  commercial  marketing  for  particular  indications  for
use.

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Preclinical Studies and IND Submission

The  testing  and  approval  process  of  product  candidates  requires  substantial  time,  effort,  and  financial  resources.  Preclinical  studies  include  laboratory  evaluation  of  drug
substance chemistry, pharmacology, toxicity, and drug product formulation, as well as animal studies to assess potential safety and efficacy. Such studies must generally be
conducted  in  accordance  with  the  FDA’s  Good  Laboratory  Practice  regulations.  Prior  to  commencing  the  first  clinical  trial  with  a  product  candidate,  an  IND  sponsor  must
submit  the  results  of  the  preclinical  tests  and  preclinical  literature,  together  with  manufacturing  information,  analytical  data,  any  available  clinical  data  or  literature,  and
proposed clinical study protocols, among other things, to the FDA as part of an IND.

An IND automatically becomes effective 30 days after receipt by the FDA, unless the FDA, within the 30‑day time period, notifies the applicant of safety concerns or questions
related to one or more proposed clinical trials and places the trial on a clinical hold. In such a case, the IND sponsor and the FDA must resolve any outstanding concerns before
the clinical trial can begin. Clinical holds also may be imposed by the FDA at any time before or during trials due to safety concerns or noncompliance. As a result, submission
of an IND may not result in FDA authorization to commence a clinical trial.

Clinical Trials

Clinical  trials  involve  the  administration  of  the  investigational  new  drug  to  human  subjects  under  the  supervision  of  qualified  investigators  in  accordance  with  GCP
requirements, which include the requirements that all research subjects provide their informed consent in writing for their participation in any clinical trial, as well as review and
approval of the study by an IRB. Investigators must also provide certain information to the clinical trial sponsors to allow the sponsors to make certain financial disclosures to
the FDA. Clinical trials are conducted under protocols detailing, among other things, the objectives of the trial, the trial procedures, the parameters to be used in monitoring
safety, the effectiveness criteria to be evaluated, and a statistical analysis plan. A protocol for each clinical trial, and any subsequent protocol amendments, must be submitted to
the FDA as part of the IND. In addition, an IRB at each study site participating in the clinical trial or a central IRB must review and approve the plan for any clinical trial,
informed consent forms, and communications to study subjects before a study commences at that site. An IRB considers, among other things, whether the risks to individuals
participating in the trials are minimized and are reasonable in relation to anticipated benefits and whether the planned human subject protections are adequate. The IRB must
continue to oversee the clinical trial while it is being conducted.

Once an IND is in effect, each new clinical protocol and any amendments to the protocol must be submitted to for FDA review, and to the IRB for approval. Progress reports
detailing the results of the clinical trials must also be submitted at least annually to the FDA and the IRB and more frequently if serious adverse events or other significant safety
information is found.

Information about certain clinical trials, including a description of the study and study results, must be submitted within specific timeframes to the NIH for public dissemination
on their clinicaltrials.gov website.

Additionally, some clinical trials are overseen by an independent group of qualified experts organized by the clinical trial sponsor, known as a data safety monitoring board or
committee. This group regularly reviews accumulated data and advises the study sponsor regarding the continuing safety of trial subjects, enrollment of potential trial subjects,
and the continuing validity and scientific merit of the clinical trial. The data safety monitoring board receives special access to unblinded data during the clinical trial and may
advise the sponsor to halt the clinical trial if it determines there is an unacceptable safety risk for subjects or on other grounds, such as no demonstration of efficacy.

The manufacture of investigational drugs for the conduct of human clinical trials (and their active pharmaceutical ingredients) is subject to cGMP requirements. Investigational
drugs and active pharmaceutical ingredients imported into the United States are also subject to regulation by the FDA relating to their labeling and distribution. Further, the
export of investigational drug products outside of the United States is subject to regulatory requirements of the receiving country as well as U.S. export requirements under the
FDCA.

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In general, for purposes of NDA approval, human clinical trials are typically conducted in three sequential phases, which may overlap or be combined.

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●

●

Phase 1—Studies are initially conducted in healthy human volunteers or subjects with the target disease or condition and test the product candidate for safety, dosage
tolerance, structure‑activity relationships, mechanism of action, absorption, metabolism, distribution, and excretion. If possible, Phase 1 trials may also be used to gain
an initial indication of product effectiveness.

Phase 2—Controlled  studies  are  conducted  in  limited  subject  populations  with  a  specified  disease  or  condition  to  evaluate  preliminary  efficacy,  identify  optimal
dosages, dosage tolerance and schedule, possible adverse effects and safety risks, and expanded evidence of safety.

Phase 3—These adequate and well‑controlled clinical trials are undertaken in expanded subject populations, generally at geographically dispersed clinical trial sites, to
generate enough data to provide statistically significant evidence of clinical efficacy and safety of the product for approval, to establish the overall risk‑benefit profile
of the product, and to provide adequate information for the labeling of the product. Typically, two Phase 3 trials are required by the FDA for product approval.

The FDA may also require, or companies may conduct, additional clinical trials for the same indication after a product is approved. These so-called Phase 4 studies may be
required by the FDA as a condition of approval of the NDA, to be satisfied after approval. The results of Phase 4 studies can confirm the effectiveness of a product candidate
and can provide important safety information. In addition to the above traditional kinds of clinical trial data required for the approval of an NDA, the 21st Century Cures Act
provides for potential FDA use of different types and sources of data in regulatory decision-making, such as patient experience data, real world evidence for already approved
products,  and,  for  appropriate  indications  sought  through  supplemental  marketing  applications,  data  summaries.  Implementation  of  this  law  and  related  initiatives  is  still  in
progress and we do not know the extent to which we may in the future be able to utilize these types and sources of data. In the case of a 505(b)(2) NDA, which is a marketing
application in which sponsors may rely on investigations that were not conducted by or for the applicant and for which the applicant has not obtained a right of reference or use
from the person by or for whom the investigations were conducted, some of the above described studies and preclinical studies may not be required or may be abbreviated.
Bridging studies may be needed, however, to demonstrate the applicability of the studies that were previously conducted by other sponsors to the drug that is the subject of the
marketing application.

Clinical trials at any phase may not be completed successfully within any specified period, or at all. Regulatory authorities, an IRB, or the sponsor may suspend or discontinue a
clinical trial at any time on various grounds, including a finding that the subjects are being exposed to an unacceptable health risk, the clinical trial is not being conducted in
accordance with the FDA’s or the IRB’s requirements, if the drug has been associated with unexpected serious harm to the subjects, or based on evolving business objectives or
competitive climate.

Concurrent  with  clinical  trials,  companies  usually  complete  additional  animal  studies  and  must  also  develop  additional  information  about  the  chemistry  and  physical
characteristics  of  the  product  candidate  as  well  as  finalize  a  process  for  manufacturing  the  product  in  commercial  quantities  in  accordance  with  cGMP  requirements.  The
manufacturing process must be capable of consistently producing quality batches of the product candidate and, among other things, the manufacturer must develop methods for
testing the identity, strength, quality, potency, and purity of the final product. Additionally, appropriate packaging must be selected and tested, and stability studies must be
conducted to demonstrate that the product candidate does not undergo unacceptable deterioration over its shelf life.

During the development of a new drug, a sponsor may be able to request a Special Protocol Assessment (SPA), the purpose of which is to reach agreement with the FDA on the
Phase 3 clinical trial protocol design and analysis that will form the primary basis of an efficacy claim as well as preclinical carcinogenicity trials and stability studies. An SPA
may only be modified with the agreement of the FDA and the trial sponsor or if the director of the FDA reviewing division determines that a substantial scientific issue essential
to  determining  the  safety  or  efficacy  of  the  drug  was  identified  after  the  testing  began. An  SPA  is  intended  to  provide  assurance  that,  in  the  case  of  clinical  trials,  if  the
agreed‑upon clinical trial protocol is followed, the clinical trial endpoints are achieved, and there is a favorable risk‑benefit profile, the data may serve as the primary basis for
an  efficacy  claim  in  support  of  an  NDA.  However,  SPA  agreements  are  not  a  guarantee  of  an  approval  of  a  product  candidate  or  any  permissible  claims  about  the  product
candidate. In particular, SPAs are not binding on the FDA if, among other reasons, previously unrecognized public health concerns arise during the performance of the clinical
trial, other new scientific concerns regarding the product candidate’s safety or efficacy arise, or if the sponsoring company fails to comply with the agreed upon clinical trial
protocol.

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NDA Submission, Review by the FDA, and Marketing Approval

Assuming  successful  completion  of  the  required  clinical  and  preclinical  testing,  the  results  of  product  development,  including  chemistry,  manufacturing,  and  control  (CMC)
information, non-clinical studies, and clinical trial results, including negative or ambiguous results as well as positive findings, are all submitted to the FDA, along with the
proposed labeling, as part of an NDA requesting approval to market the product for one or more indications. In most cases, the submission of an NDA is subject to a substantial
application user fee, authorized every five years by Congress under the Prescription Drug User Fee Act (PDUFA). User fees must be paid at the time of the first submission of
the  application,  even  if  the  application  is  being  submitted  on  a  rolling  basis,  and  if  approved,  program  fees  must  be  paid  on  an  annual  basis.  Product  candidates  that  are
designated as orphan drugs, which are further described below, are also not subject to application user fees unless the application includes an indication other than the orphan
indication.

In addition, under the Pediatric Research Equity Act (PREA), an NDA or supplement to an NDA for a new active ingredient, indication, dosage form, dosage regimen, or route
of administration must contain data that are adequate to assess the safety and effectiveness of the drug for the claimed indications in all relevant pediatric subpopulations, and to
support dosing and administration for each pediatric subpopulation for which the product is safe and effective. A sponsor who is planning to submit a marketing application for
a drug product that includes a new active ingredient, new indication, new dosage form, new dosing regimen or new route of administration must submit an initial Pediatric
Study Plan (PSP) within 60 days of an End-of-Phase 2 meeting or as may be agreed between the sponsor and the FDA. The initial PSP must include an outline of the pediatric
study  or  studies  that  the  sponsor  plans  to  conduct,  including  study  objectives  and  design,  age  groups,  relevant  endpoints  and  statistical  approach,  or  a  justification  for  not
including such detailed information, and any request for a deferral of pediatric assessments or a full or partial waiver of the requirement to provide data from pediatric studies
along with supporting information. The FDA and the sponsor must reach agreement on the PSP. A sponsor can submit amendments to an agreed-upon initial PSP at any time if
changes to the pediatric plan need to be considered based on data collected from preclinical studies, early phase clinical studies or other clinical development program. The
FDA may, on its own initiative or at the request of the applicant, grant deferrals for submission of some or all pediatric data until after approval of the product for use in adults,
or full or partial waivers from the pediatric data requirements. The FDA also may require submission of a risk evaluation and mitigation strategy (REMS) to ensure that the
benefits of the drug outweigh the risks of the drug. The REMS plan could include medication guides, physician communication plans, and elements to assure safe use, such as
restricted  distribution  methods,  patient  registries,  or  other  risk  minimization  tools. An  assessment  of  the  REMS  must  also  be  conducted  at  set  intervals.  Following  product
approval, a REMS may also be required by the FDA if new safety information is discovered and the FDA determines that a REMS is necessary to ensure that the benefits of the
drug continue to outweigh the risks of the drug.

Once the FDA receives an application, it will determine within 60 days whether the NDA as filed is sufficiently complete to permit a substantive review (with this decision often
referred to as the NDA being “accepted for filing.”). The FDA may request additional information rather than accept an NDA for filing. In this event, the application must be
resubmitted with the  additional  information.  The  resubmitted  application  is  also  subject  to  review  before  the  FDA  accepts  it  for  filing.  Once  the  submission  is  accepted  for
filing, the FDA begins an in‑depth substantive review of the NDA.

The FDA has agreed to a set of performance goals and procedures under PDUFA to review 90% of all applications within ten months from the 60-day filing date for its initial
review of a standard NDA for a New Molecular Entity (NME). For non-NME standard applications, the FDA has set the goal of completing its review of 90% of all applications
within ten months from the submission receipt date. Such deadlines are referred to as the PDUFA date. The PDUFA date is only a goal, thus, the FDA does not always meet its
PDUFA goal dates. The review process and the PDUFA goal date may also be extended if the FDA requests, or the NDA sponsor otherwise provides, substantial additional
information or clarification regarding the submission.

The FDA may refer an application to an advisory committee for review, evaluation and recommendation as to whether the application should be approved, and applications for
new molecular entities are generally discussed at advisory committee meetings unless the FDA determines that this type of consultation is not needed under the circumstances.

An advisory committee is typically a panel that includes clinicians and other experts, which review, evaluate, and make a recommendation as to whether the application should
be  approved  and  under  what  conditions.  The  FDA  is  not  bound  by  the  recommendations  of  an  advisory  committee,  but  it  considers  such  recommendations  carefully  when
making decisions and typically follows such recommendations.

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The  FDA  reviews  applications  to  determine,  among  other  things,  whether  a  product  is  safe  and  effective  for  its  intended  use  and  whether  the  manufacturing  methods  and
controls are adequate to assure and preserve the product’s identity, strength, quality, safety, potency, and purity. Before approving an NDA, the FDA typically will inspect the
facility  or  facilities  where  the  product  is  manufactured,  referred  to  as  a  Pre‑Approval  Inspection.  The  FDA  will  not  approve  an  application  unless  it  determines  that  the
manufacturing  processes  and  facilities,  including  contract  manufacturers  and  subcontractors,  are  in  compliance  with  cGMP  requirements  and  adequate  to  assure  consistent
production of the product within required specifications. Additionally, before approving an NDA the FDA will inspect one or more clinical trial sites to assure compliance with
GCPs.

The approval process is lengthy and difficult, and involves numerous FDA personnel assigned to review different aspects of the NDA, and the FDA may refuse to approve an
NDA if the applicable regulatory criteria are not satisfied or may require additional preclinical, clinical, CMC, or other data and information. Uncertainties can be presented by
reviewers’ ability to exercise judgment and discretion during the review process. Even if such data and information are submitted, the FDA and may ultimately decide that the
NDA  does  not  satisfy  the  criteria  for  approval.  Data  obtained  from  clinical  trials  are  not  always  conclusive  and  the  FDA  may  interpret  data  differently  than  an  applicant
interprets the same data.

After evaluating the NDA and all related information, including the advisory committee recommendation, if any, and inspection reports regarding the manufacturing facilities
and clinical trial sites, the FDA may issue an approval letter, or, in some cases, a Complete Response Letter ( CRL). If a CRL is issued, the applicant may either resubmit the
NDA, addressing all of the deficiencies identified in the letter; withdraw the application; or request an opportunity for a hearing. A CRL indicates that the review cycle of the
application is complete and the application is not ready for approval in its current form and describes all of the specific deficiencies that the FDA identified in the NDA. A CRL
generally contains a statement of specific conditions that must be met in order to secure final approval of the NDA, and may require additional clinical or preclinical testing in
order for the FDA to reconsider the application. The deficiencies identified may be minor, for example, requiring labeling changes; or major, for example, requiring additional
clinical trials. The FDA has the goal of reviewing 90% of application and efficacy supplement resubmissions in either two or six months (from receipt) for a Class 1 or Class 2
resubmission, respectively. For non-efficacy supplements (i.e., labeling and manufacturing supplements), CDER’s goal is to review the supplement within the same length of
time (from receipt) as the initial review cycle (excluding an extension caused by a major amendment of the initial supplement).

Even with the submission of additional information, the FDA ultimately may decide that the application does not satisfy the regulatory criteria for approval. If and when the
issues  identified  in  a  CRL  have  been  addressed  and  resolved  to  the  FDA’s  satisfaction,  the  FDA  may  issue  an  approval  letter. An  approval  letter  authorizes  commercial
marketing of the drug for specific indications and with specific prescribing information which was reviewed in connection with the NDA.

Even if the FDA approves a product, it may limit the approved indications for use of the product, require that contraindications, warnings, or precautions be included in the
product labeling, including a boxed warning, require that post‑approval studies, including Phase 4 clinical trials, be conducted to further assess a drug’s safety and efficacy after
approval, require testing and surveillance programs to monitor the product after commercialization, or impose other conditions, including distribution restrictions or other risk
management mechanisms under a REMS which can materially affect the potential market and profitability of the product. The FDA may also not approve label statements that
are necessary for successful commercialization and marketing.

After approval, some types of changes to the approved product, such as adding new indications, manufacturing changes, and additional labeling claims, are subject to further
testing requirements and FDA review and approval. The FDA may also withdraw the product approval if compliance with the pre‑ and post‑marketing regulatory standards are
not  maintained  or  if  problems  occur  after  the  product  reaches  the  marketplace.  Further,  should  new  safety  information  arise,  additional  testing,  product  labeling,  or  FDA
notification may be required.

505(b)(2) Approval Process

Section  505(b)(2)  of  the  FDCA,  provides  an  alternate  regulatory  pathway  to  FDA  approval  for  new  or  improved  formulations  or  new  uses  of  previously  approved  drug
products.  Specifically,  Section  505(b)(2)  was  enacted  as  part  of  the  Drug  Price  Competition  and  Patent  Term  Restoration  Act  of  1984,  commonly  referred  to  as  the
Hatch‑Waxman Act amendments, and permits the filing of an NDA where at least some of the information required for approval comes from studies not conducted by or for the
applicant and for which the applicant has not obtained a right of reference or use from the person by or for whom the investigations were conducted. The applicant may rely, in
part, upon the FDA’s prior findings of safety and effectiveness for an approved product that acts as the reference listed drug or on published scientific literature, in support of its
application. The FDA may also require 505(b)(2) applicants to perform additional studies or measurements to support the changes from the reference listed drug as well as
bridging studies to the reference listed drug. The FDA may then approve the new product candidate for all or some of the labeled indications for which the referenced product
has been approved, as well as for any new indication sought by the Section 505(b)(2) applicant.

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Orange Book Listing

Section 505 of the FDCA describes three types of marketing applications that may be submitted to the FDA to request marketing authorization for a new drug. A section 505(b)
(1) NDA is an application that contains full reports of investigations of safety and efficacy. A section 505(b)(2) NDA is an application in which the applicant, in part, relies on
investigations  that  were  not  conducted  by  or  for  the  applicant  and  for  which  the  applicant  has  not  obtained  a  right  of  reference  or  use  from  the  person  by  or  for  whom  the
investigations  were  conducted.  Section  505(j)  establishes  an  abbreviated  approval  process  for  a  generic  version  of  approved  drug  products  through  the  submission  of  an
Abbreviated New Drug Application (ANDA). An ANDA is an application for marketing of a generic drug product that has the same active ingredients, dosage form, strength,
route of administration, labeling, performance characteristics, and intended use, among other things, to a previously approved product. Limited changes must be pre‑approved
by the FDA via a suitability petition. ANDAs are termed “abbreviated” because they are generally not required to include preclinical and clinical data to establish safety and
efficacy. Instead, generic applicants must scientifically demonstrate that their product is bioequivalent to, or performs in the same manner as, the innovator drug through in
vitro, in vivo, or other testing. The generic version must deliver the same amount of active ingredients into a subject’s bloodstream in the same amount of time as the innovator
drug and, under state substitution laws, may be substituted at the pharmacy for the reference listed drug.

In seeking approval for a drug through an NDA, including a 505(b)(2) NDA, applicants are required to identify to the FDA patents that contain claims that are directed to the
applicant’s product and/or method(s) of use. Upon approval of an NDA, each of the identified patents is then listed in Approved Drug Products with Therapeutic Equivalence
Evaluations, also known as the Orange Book.

An applicant who files an ANDA seeking approval of a generic version of a drug listed in the Orange Book or a 505(b)(2) NDA referencing a drug listed in the Orange Book
must make patent certifications to the FDA that (1) no patent information on the drug or method of use that is the subject of the application has been submitted to the FDA; (2)
the patent has expired; (3) the date on which the patent has expired and approval will not be sought until after the patent expiration; or (4) in the applicant’s opinion and to the
best  of  its  knowledge,  the  patent  is  invalid,  unenforceable,  or  will  not  be  infringed  upon  by  the  manufacture,  use,  or  sale  of  the  drug  product  for  which  the  application  is
submitted. The last certification is known as a paragraph IV certification. Generally, the ANDA or 505(b)(2) NDA approval cannot be made effective until all listed patents
have expired, except where the ANDA or 505(b)(2) NDA applicant challenges a listed patent through a paragraph IV certification or if the applicant is not seeking approval of a
patented method of use. If the applicant does not challenge the listed patents or does not indicate that it is not seeking approval of a patented method of use, the ANDA or
505(b)(2) NDA application approval will not be made effective until all of the listed patents claiming the referenced product have expired.

If the competitor has provided a paragraph IV certification to the FDA, the competitor must also send notice of the paragraph IV certification to the holder of the NDA for the
reference listed drug and the patent owner within 20 days after the application has been accepted for filing by the FDA. The NDA holder or patent owner may then initiate a
patent infringement lawsuit in response to the notice of the paragraph IV certification. The filing of a patent infringement lawsuit within 45 days of the receipt of a paragraph IV
certification notice prevents the FDA from making the approval of the ANDA or 505(b)(2) application effective until the earlier of 30 months from the date of the lawsuit,
expiration of the patent, settlement of the lawsuit, a decision in the infringement case that is favorable to the applicant or such shorter or longer period as may be ordered by a
court. This prohibition is generally referred to as the automatic 30‑month stay.

In  practice,  where  an ANDA  or  505(b)(2)  NDA  applicant  files  a  paragraph  IV  certification,  the  NDA  holder  or  patent  owners  often  take  action  to  trigger  the  automatic
30‑month  stay,  resulting  in  patent  litigation  that  may  take  many  months  or  years  to  resolve.  Thus,  approval  of  an ANDA  or  505(b)(2)  application  could  be  delayed  for  a
significant period of time depending on the patent certification the applicant makes and the reference drug sponsor’s decision to initiate patent litigation.

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Regulatory Exclusivity

Regulatory exclusivity provisions under the FDCA can also delay the submission or the approval effective date of certain applications. A regulatory exclusivity can provide the
holder of an approved NDA protection from new competition in the marketplace for the innovation represented by its approved drug. Five years of exclusivity are available for
NCEs. An  NCE  is  a  drug  that  contains  no  active  moiety  that  has  been  approved  by  the  FDA  in  any  other  NDA. An  active  moiety  is  the  molecule  or  ion  excluding  those
appended portions of the molecule that cause the drug to be an ester, salt, including a salt with hydrogen or coordination bonds, or other noncovalent derivatives, such as a
complex, chelate, or clathrate, of the molecule, responsible for the therapeutic activity of the drug substance. During the NCE exclusivity period, the FDA may not accept for
review an ANDA or a 505(b)(2) NDA application by another company that contains the previously approved active moiety. An ANDA or 505(b)(2) application, however, may
be submitted one year before NCE exclusivity expires if a paragraph IV certification is filed.

Three years of exclusivity are available to the holder of an NDA, including a 505(b)(2) NDA, for a particular condition of approval, or change to a marketed product, such as a
new  formulation  or  indication  for  a  drug  product  that  contains  an  active  moiety  that  has  been  previously  approved,  when  the  application  contains  reports  of  new  clinical
investigations, other than bioavailability studies, conducted by the sponsor that were essential to approval of the application. Changes in an approved drug product that affect its
active ingredient(s), strength, dosage form, route of administration or conditions of use may be granted this exclusivity if a new clinical investigation (NCI)  was  essential  to
approval  of  the  application  containing  those  changes.  During  the  NCI  exclusivity  period,  FDA  may  not  approve  an ANDA  or  505(b)(2)  NDA  by  another  company  for  the
condition of the new drug’s approval. NCE and NCI exclusivities will not delay the submission or approval of a full NDA; however, an applicant submitting a full NDA would
be required to conduct or obtain a right of reference to, all of the preclinical studies and adequate and well‑controlled clinical trials necessary to demonstrate safety and efficacy.

Pediatric  exclusivity  is  a  regulatory  exclusivity  in  the  United  States  that  provides  for  the  attachment  of  an  additional  six  months  of  marketing  protection  to  the  term  of  any
existing regulatory and statutory exclusivity, including the non‑patent exclusivity periods described above as well as applicable patent terms. This six‑month exclusivity may be
granted if an NDA sponsor submits pediatric data that fairly respond to a written request from the FDA for such data. The data do not need to show the product to be effective in
the pediatric population studied; rather, if the clinical trial is deemed to fairly respond to the FDA’s request, the additional protection is granted. If reports of requested pediatric
studies  are  submitted  to  and  accepted  by  the  FDA  within  the  required  time  frames,  whatever  statutory  or  regulatory  periods  of  exclusivity  or  Orange  Book  listed  patent
protection cover the drug are extended by six months. This is not a patent term extension, but it effectively extends the regulatory period during which the FDA cannot make an
ANDA or 505(b)(2) application approval effective as a result of regulatory exclusivity or listed patents. Moreover, pediatric exclusivity attaches to all formulations, dosage
forms, and indications for products with existing marketing exclusivity or patent life that contain the same active moiety as that which was studied.

The Orphan Drug Act provides incentives for the development of drugs intended to treat rare diseases or conditions, which generally are diseases or conditions affecting less
than 200,000 individuals annually in the United States, or affecting more than 200,000 in the United States and for which there is no reasonable expectation that the cost of
developing and making the drug available in the United States will be recovered from United States sales. If a product receives FDA approval for the indication for which it has
orphan designation, the product is generally entitled to orphan drug exclusivity, which means the FDA may not approve any other application to market the same drug for the
same indication for a period of seven years, except in limited circumstances, such as a showing of clinical superiority over the product with orphan exclusivity. Orphan drug
designation also entitles a party to financial incentives such as opportunities for grant funding towards clinical study costs, tax advantages, and application user‑fee waivers.

Special FDA Expedited Review and Approval Programs

The FDA has various programs, including Fast Track designation, Priority Review and Breakthrough designation, that are intended to expedite or simplify the process for the
development and FDA review of certain drug products that are intended for the treatment of serious or life threatening diseases or conditions, and demonstrate the potential to
address unmet medical needs or present a significant improvement over existing therapy. The purpose of these programs is to provide important new drugs to patients earlier
than under standard FDA review procedures.

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To be eligible for a Fast Track designation, the FDA must determine, based on the request of a sponsor, that a product is intended to treat a serious or life-threatening disease or
condition and demonstrates the potential to address an unmet medical need. The FDA will determine that a product will fill an unmet medical need if the product will provide a
therapy where none exists or provide a therapy that may be potentially superior to existing therapy based on efficacy, safety, or public health factors. If Fast Track designation
is obtained, drug sponsors may be eligible for more frequent development meetings and correspondence with the FDA.

In addition, if an applicant obtains “rolling review” the FDA may accept and initiate review of sections of an NDA before the application submission is complete, although it is
not  guaranteed  that  FDA  will  commence  review  before  the  application  submission  is  complete,  and  the  timing  of  the  review  depends  on  a  number  of  factors  including
availability of review personnel at the FDA, and competing agency priorities among other things. The applicant must provide, and the FDA must agree to, a schedule for the
remaining information after the initial section of the NDA.

In some cases, a Fast Track product may be eligible for Accelerated Approval or Priority Review.

The FDA may give a Priority Review designation to drugs that are intended to treat serious conditions and, if approved, would provide significant improvements in the safety or
effectiveness of the treatment, diagnosis, or prevention of serious conditions. A Priority Review designation means that the goal for the FDA is to review an application within
six  months  of  receipt,  rather  than  the  standard  review  of  ten  months  under  current  PDUFA  guidelines,  of  the  60‑day  filing  date  for  NMEs  and  within  six  months  of  the
submission receipt date for non‑NMEs. Products that are eligible for Fast Track designation may also be considered appropriate to receive a Priority Review.

Moreover, under the provisions of the Food and Drug Administration Safety and Innovation Act (FDASIA), enacted in 2012, a sponsor can request designation of a product
candidate as a “breakthrough therapy.” A breakthrough therapy is defined as a drug that is intended, alone or in combination with one or more other drugs, to treat a serious or
life‑threatening disease or condition, and preliminary clinical evidence indicates that the drug may demonstrate substantial improvement over existing therapies on one or more
clinically significant endpoints, such as substantial treatment effects observed early in clinical development. Drugs designated as breakthrough therapies are eligible for the Fast
Track designation features as described above, intensive guidance on an efficient drug development program beginning as early as Phase 1 trials, and a commitment from the
FDA to involve senior managers and experienced review staff in a proactive collaborative, cross‑disciplinary review.

Even if a product qualifies for one or more of these programs, the FDA may later decide that the product no longer meets the conditions for qualification or decide that the time
period for FDA review or approval will not be shortened.

Post‑approval Requirements

Any product manufactured or distributed pursuant to FDA approvals are subject to pervasive and continuing regulation by the FDA, as well as other federal and state agencies,
including, among other things, requirements related to manufacturing, recordkeeping, and reporting, including adverse experience reporting, drug shortage reporting, and other
periodic reporting; drug supply chain security surveillance and tracking requirements; product sampling and distribution; advertising; marketing; promotion; certain electronic
records and signatures; licensure in certain states for the manufacturing and distribution of drug products; and post-approval obligations imposed as a condition of approval,
such as Phase 4 clinical trials, REMS, and surveillance to assess safety and effectiveness after commercialization.

After approval, most changes to the approved product, such as adding new indications or other labeling claims are subject to prior FDA review and approval. There are also
continuing annual prescription drug program user fee requirements for any approved products. In addition, drug manufacturers and other entities involved in the manufacture
and distribution of approved drugs are required to register their establishments with the FDA and certain state agencies and list their drug products, and are subject to periodic
announced  and  unannounced  inspections  by  the  FDA  and  these  state  agencies  for  compliance  with  cGMP  and  other  requirements,  which  impose  certain  procedural  and
documentation requirements upon the company and third‑party manufacturers.

Changes  to  the  manufacturing  process  are  strictly  regulated  and  often  require  prior  FDA  approval  or  notification  before  being  implemented.  FDA  regulations  also  require
investigation  and  correction  of  any  deviations  from  cGMP  and  product  specifications  and  impose  reporting  and  documentation  requirements  upon  the  sponsor  and  any
third‑party manufacturers that the sponsor may decide to use. Accordingly, manufacturers must continue to expend time, money, and effort in the area of production and quality
control to maintain cGMP compliance.

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The FDA also strictly regulates marketing, labeling, advertising, and promotion of products that are placed on the market. A company can make only those claims relating to
safety and efficacy, purity, and potency that are approved by the FDA. Physicians, in their independent professional medical judgment, may prescribe legally available products
for unapproved indications that are not described in the product’s labeling and that differ from those tested and approved by the FDA. Pharmaceutical companies, however, are
required to promote their drug products only for the approved indications and in accordance with the provisions of the approved label. The FDA and other agencies actively
enforce  the  laws  and  regulations  prohibiting  the  promotion  of  off‑label  uses,  and  a  company  that  is  found  to  have  improperly  promoted  off‑label  uses  may  be  subject  to
significant  liability,  including,  but  not  limited  to,  criminal  and  civil  penalties  under  the  FDCA  and  False  Claims  Act,  exclusion  from  participation  in  federal  healthcare
programs, mandatory compliance programs under corporate integrity agreements, debarment, and refusal of government contracts. Recent court decisions have impacted the
FDA’s enforcement activity regarding off-label promotion in light of First Amendment considerations; however, there are still significant risks in this area in part due to the
potential False Claims Act exposure. Further, the FDA has not materially changed its position on off-label promotion following legal setbacks on First Amendment grounds and
the DOJ has consistently asserted in FCA briefings that “speech that serves as a conduit for violations of the law is not constitutionally protected.”

The Drug Supply Chain Security Act (DSCSA)  imposes  obligations  on  manufacturers  of  prescription  biopharmaceutical  products  for  commercial  distribution,  regulating  the
distribution of the products at the federal level, and sets certain standards for federal or state registration and compliance of entities in the supply chain (manufacturers and
repackagers,  wholesale  distributors,  third-party  logistics  providers,  and  dispensers).  The  DSCSA  preempts  certain  previously  enacted  state  pedigree  laws  and  the  pedigree
requirements of the Prescription Drug Marketing Act (PDMA). Trading partners within the drug supply chain must now ensure certain product tracing requirements are met that
they  are  doing  business  with  other  authorized  trading  partners;  and  they  are  required  to  exchange  transaction  information,  transaction  history,  and  transaction  statements.
Further, the DSCSA limits the distribution of prescription pharmaceutical products and imposes requirements to ensure overall accountability and security in the drug supply
chain. Product identifier information (an aspect of the product tracing scheme) is also now required. The DSCSA requirements, development of standards, and the system for
product tracing have been and will continue to be phased in over a period of years through 2023, and subject companies will need to continue their implementation efforts.
Many  states  still  have  in  place  licensure  and  other  requirements  for  manufacturers  and  distributors  of  drug  products.  The  distribution  of  product  samples  continues  to  be
regulated under the PDMA, and some states also impose regulations on drug sample distribution.

Later discovery of previously unknown problems with a product, including adverse events of unanticipated severity or frequency, or with manufacturing processes, or failure to
comply  with  regulatory  requirements,  may  result  in  significant  regulatory  actions.  Such  actions  may  include  refusal  to  approve  pending  applications,  license  suspension  or
revocation, withdrawal of an approval, imposition of a clinical hold or termination of clinical trials, warning letters, untitled letters, modification of promotional materials or
labeling, provision of corrective information, imposition of post‑market requirements including the need for additional testing, imposition of distribution or other restrictions
under a REMS, product recalls, product seizures or detentions, refusal to allow imports or exports, total or partial suspension of production or distribution, FDA debarment,
injunctions, fines, consent decrees, corporate integrity agreements, debarment from receiving government contracts and new orders under existing contracts, exclusion from
participation  in  federal  and  state  healthcare  programs,  restitution,  disgorgement,  or  civil  or  criminal  penalties  including  fines  and  imprisonment,  and  may  result  in  adverse
publicity, among other adverse consequences.

Fraud and Abuse, and Transparency Laws and Regulations

Following  product  approval,  our  business  activities,  including  but  not  limited  to  research,  sales,  promotion,  marketing,  distribution,  medical  education,  sponsorships,
relationships  with  prescribers  and  other  referral  sources,  and  other  activities  will  be  subject  to  regulation  by  numerous  federal  and  state  regulatory  and  law  enforcement
authorities in the United States in addition to the FDA, including potentially the Department of Justice, the Department of Health and Human Services and its various divisions,
including the CMS the Office of Inspector General (OIG) and the Health Resources and Services Administration (HRSA), the Department of Veterans Affairs, the Department
of Defense, and certain state and local governments. Our business activities must comply with numerous healthcare laws, including but not limited to, anti‑kickback and false
claims laws and regulations as well as data privacy and security laws and regulations, which are described below.

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The federal Anti-Kickback Statute prohibits, among other things, any person or entity, from knowingly and willfully offering, paying, soliciting, or receiving any remuneration,
directly  or  indirectly,  overtly  or  covertly,  in  cash  or  in  kind,  to  induce  or  in  return  for  purchasing,  leasing,  ordering,  or  arranging  for  or  recommending  the  purchase,  lease,
furnishing, or order of any item or service reimbursable under Medicare, Medicaid, or other federal healthcare programs, in whole or in part. The term “remuneration” has been
interpreted broadly to include anything of value. The Anti-Kickback Statute has been interpreted to apply to arrangements between pharmaceutical manufacturers on one hand
and prescribers, purchasers, formulary managers, and beneficiaries on the other. There are certain statutory exceptions and regulatory safe harbors protecting some common
activities  from  prosecution.  The  exceptions  and  safe  harbors  are  drawn  narrowly,  and  practices  that  involve  remuneration  that  may  be  alleged  to  be  intended  to  induce
prescribing,  purchases,  or  recommendations  may  be  subject  to  scrutiny  if  they  do  not  qualify  for  an  exception  or  safe  harbor.  Failure  to  meet  all  of  the  requirements  of  a
particular applicable statutory exception or regulatory safe harbor, however, does not make the conduct per se illegal under the Anti-Kickback Statute. Instead, the legality of
the  arrangement  will  be  evaluated  on  a  case  by  case  basis  based  on  a  cumulative  review  of  all  of  its  facts  and  circumstances  to  determine  whether  one  purpose  of  an
arrangement involving remuneration is to induce referrals of federal healthcare covered business. The Patient Protection and Affordable Care Act ( ACA), of 2010, as amended,
modified the intent requirement under the Anti-Kickback Statute to a stricter standard, such that a person or entity no longer needs to have actual knowledge of the statute or
specific intent to violate it in order to have committed a violation. The ACA further amended the federal civil False Claims Act to provide that a claim that includes items or
services  resulting  from  a  violation  of  the  federal Anti-Kickback  Statute  constitutes  a  false  or  fraudulent  claim  under  the  False  Claims Act.  Therefore,  either  the  federal
government or private citizens under the False Claims Act’s qui tam provisions (discussed further below) can bring an action under the False Claims Act for violations of the
Anti-Kickback Statute, potentially exposing an alleged violator to substantial monetary damages and penalties. Certain Anti-Kickback safe harbor provisions that protect the
rebates paid by drug manufacturers to third parties may also be repealed or materially revised, as contemplated in a recent regulatory proposal.

The government has asserted False Claims Act liability against manufacturers by alleging that improper arrangements with ordering physicians caused them or another provider
to file false claims in violation of the False Claims Act or that manufacturers’ support of patient assistance programs improperly induced beneficiaries to choose their products
in violation of the Anti-Kickback Statute. Sales, marketing and business arrangements in the healthcare industry are also subject to extensive laws and regulations intended to
prevent  fraud,  kickbacks,  self-dealing  and  other  abusive  practices.  These  laws  and  regulations  may  restrict  or  prohibit  a  wide  range  of  pricing,  discounting,  marketing  and
promotion, sales commission, customer incentive programs, patient assistance programs, and other business arrangements. Medicare Advantage and Medicaid managed care
plan regulations prohibit certain forms of marketing to enrollees that are designed to discriminate against beneficiaries on the basis of their health conditions or history. These
regulations  may  require  regulatory  review  of  marketing  materials,  and  coordination  with  health  plan  or  governmental  regulators. Additionally,  the  federal  government  has
pursued electronic health record (EHR) vendors and pharmaceutical manufacturers for remunerative relationships involving the EHR platform’s recommendation of particular
drugs and “prompting” technology to increase prescribing of particular drugs.

The ACA further created new federal requirements for reporting under the Physician Payments Sunshine Act (the Sunshine Act) by applicable manufacturers of covered drugs,
payments and other transfers of value to physicians and teaching hospitals, and ownership and investment interests held by physicians and their immediate family members.
2018 legislation extended the Sunshine Act to cover payments and transfers of value to physician assistants, nurse practitioners, and other mid-level practitioners (with reporting
requirements going into effect in 2022 for payments and transfers of value made in 2021).

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The federal civil False Claims Act (FCA) prohibits, among other things, any person or entity from knowingly presenting, or causing to be presented, a false or fraudulent claim
for payment to, or approval by, the federal government, knowingly making, using, or causing to be made or used a false record or statement material to a false or fraudulent
claim to the federal government, or avoiding, decreasing, or concealing an obligation to pay money to the federal government. A claim includes “any request or demand” for
money  or  property  presented  to  the  U.S.  government.  The  civil  False  Claims Act  has  been  used  to  assert  liability  on  the  basis  of  kickbacks  and  other  improper  referrals,
improperly reported government pricing metrics such as Best Price or Average Manufacturer Price, or submission of inaccurate information required by government contracts,
improper use of Medicare provider or supplier numbers when detailing a provider of services, improper promotion of off-label uses not expressly approved by the FDA in a
drug’s label, and allegations as to misrepresentations with respect to the products supplied or services rendered. Several pharmaceutical and other healthcare companies have
further been sued under these laws for allegedly providing free product to customers with the expectation that the customers would bill federal programs for the product. Intent
to  deceive  is  not  required  to  establish  liability  under  the  civil  False  Claims Act;  however,  a  November  2017  Department  of  Justice  memorandum  now  prohibits  the  use  of
subregulatory guidance documents to impose new or more stringent requirements on entities outside the Executive Branch of the federal government. Because the Department
has experienced recent administration changes, it is unclear whether the new Attorney General will continue this policy. Civil False Claims Act actions may be brought by the
government or may be brought by private individuals on behalf of the government, called “qui tam” actions. If the government decides to intervene in a qui tam action and
prevails in the lawsuit, the individual will share in the proceeds from any fines or settlement funds. If the government declines to intervene, the individual may pursue the case
alone, subject to governmental review and certain approvals. Qui tam complaints are filed under seal, and the cases may progress for a number of years before a complaint is
unsealed and a manufacturer becomes aware of its existence. Since 2004, these False Claims Act lawsuits against pharmaceutical companies have increased significantly in
volume and breadth, leading to several substantial civil and criminal settlements, as much as $3.0 billion, regarding certain sales practices and promoting off-label drug uses. For
example, civil False Claims Act liability may be imposed for Medicare or Medicaid overpayments arising out of claims that were filed by providers but alleged to have been
caused  by  manufacturers’  incentives,  impermissible  discounts,  or  overpayments  caused  by  understated  rebate  amounts.  False  Claims Act  enforcement  may  also  arise  from
claims filed as the result of manufacturing marketing materials that contained inaccurate statements or provided certain reimbursement guidance.

The  government  may  further  prosecute  conduct  constituting  a  false  claim  under  the  criminal  False  Claims  Act.  The  criminal  False  Claims  Act  prohibits  the  making  or
presenting of a claim to the government knowing such claim to be false, fictitious, or fraudulent and, unlike the civil False Claims Act, requires proof of intent to submit a false
claim.

Similarly, the criminal healthcare fraud statutes impose criminal liability for, among other things, knowingly and willfully attempting or executing a scheme to defraud any
healthcare benefit program, including private third-party payors, obtaining money or property of a benefit program by false or fraudulent means, or falsifying, concealing, or
covering up a material fact or submitting a materially false statement in connection with the delivery of, or payment form healthcare benefits, items, or services. These statutes
are not limited to items and services reimbursed by a governmental health care program and have been used to prosecute commercial insurance fraud as well.

The  civil  monetary  penalties  statute  is  another  potential  statute  under  which  biopharmaceutical  companies  may  be  subject  to  enforcement. Among  other  things,  the  civil
monetary  penalties  statue  imposes  fines  against  any  person  who  is  determined  to  have  presented,  or  caused  to  be  presented,  claims  to  a  federal  healthcare  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 exclusion statute requires the exclusion of entities and individuals who have been convicted of federal- program related crimes or health care felony fraud or controlled
substance charges. The statute also permits the exclusion of those that have been convicted of any form of fraud, the anti-kickback statute, for obstructing an investigation or
audit, misdemeanor controlled substance charges, those whose health care license has been revoked or suspended, and those who have filed claims for excessive charges or
unnecessary services. If a company were to be excluded, its products would be ineligible for reimbursement from any federal programs, including Medicare and Medicaid, and
no other entity participating in those programs would be permitted to enter into contracts with the company. Further, employment or contracting with an individual or entity that
has been excluded from participation in federal healthcare programs could serve as a basis to invalidate claims for items or services submitted by that entity and to exclude that
entity  from  participation  in  such  programs  as  well.  In  order  to  preserve  access  to  beneficial  drugs,  the  government  may  elect  to  exclude  officers  and  key  employees  of
manufacturers, rather than excluding the organization. Such enforcement actions would prohibit the Company from engaging those individuals, which could adversely affect
operations, and could result in significant reputational harm.

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Payment  or  reimbursement  of  prescription  drugs  by  Medicaid  or  Medicare  requires  manufacturers  of  the  drugs  to  submit  pricing  information  to  CMS.  The  Medicaid  Drug
Rebate  statute  requires  manufacturers  to  calculate  and  report  price  points,  which  are  used  to  determine  Medicaid  rebate  payments  shared  between  the  states  and  the  federal
government and Medicaid payment rates for certain drugs. For drugs paid under Medicare Part B, manufacturers must also calculate and report their Average Sales Price, which
is used to determine the Medicare Part B payment rate for the drug. Drugs that are approved under a Biologic License Applicatio (BLA) or an NDA, including 505(b)(2) drugs,
are subject to an additional inflation penalty which can substantially increase rebate payments. In addition, for BLA and NDA drugs, the Veterans Health Care Act ( VHCA)
requires manufacturers to calculate and report to the VA a different price called the Non‑Federal Average Manufacturing Price, which is used to determine the maximum price
that can be charged to certain federal agencies, referred to as the Federal Ceiling Price, or FCP. Like the Medicaid rebate amount, the FCP includes an inflation penalty. A
Department  of  Defense  regulation  requires  manufacturers  to  provide  this  discount  through  prescription  rebates  on  drugs  dispensed  by  retail  pharmacies  when  paid  by  the
TRICARE Program. All of these price reporting requirements create risk of submitting false information to the government and resulting potential FCA liability.

The VHCA also requires manufacturers of covered drugs participating in the Medicaid program to enter into Federal Supply Schedule contracts with the VA through which their
covered drugs must be sold to certain federal agencies at FCP and to report pricing information. This necessitates compliance with applicable federal procurement laws and
regulations  and  subjects  us  to  contractual  remedies  as  well  as  administrative,  civil,  and  criminal  sanctions.  In  addition,  the  VHCA  requires  manufacturers  participating  in
Medicaid to agree to provide different mandatory discounts to certain Public Health Service grantees and other safety net hospitals and clinics under the 340B Drug Pricing
Program, and report the ceiling price to HRSA within Department of Health and Human Services. Manufacturers can be audited by HRSA and be subjected to civil monetary
penalties for knowingly and intentionally overcharging covered entities for drugs.

The  federal  Health  Insurance  Portability  and Accountability Act  of  1996  (HIPAA)  also  created  federal  criminal  statutes  that  prohibit  knowingly  and  willfully  executing,  or
attempting to execute, a scheme to defraud or to obtain, by means of false or fraudulent pretenses, representations, or promises, any of the money or property owned by, or
under the custody or control of, a healthcare benefit program, regardless of whether the payor is public or private, knowingly and willfully embezzling or stealing from a health
care benefit program, willfully obstructing a criminal investigation of a health care offense, and knowingly and willfully falsifying, concealing, or covering up by any trick or
device a material fact or making any materially false statements in connection with the delivery of, or payment for, healthcare benefits, items, or services relating to healthcare
matters. The ACA, as amended, modified the intent requirement under the certain portions of these federal criminal statutes such that a person or entity no longer needs to have
actual knowledge of the statute or specific intent to violate it.

Further, we may be subject to data privacy and security regulation by both the federal government and the states in which we conduct our business. HIPAA, as amended by the
Health Information Technology for Economic and Clinical Health Act ( HITECH), and its respective implementing regulations, extended certain requirements relating to the
privacy, security, and transmission of individually identifiable health information directly to business associates of HIPAA-covered entities. A business associate is defined as a
person or organization, other than a member of a covered entity’s workforce, that performs certain functions or activities that involve the use or disclosure of protected health
information on behalf of, or provides services to, a covered entity. We are not a covered entity under HIPAA but in certain limited situations, we may be considered a business
associate. HITECH also strengthened the civil and criminal penalties that may be imposed against covered entities, business associates, and individuals, and gave state attorneys
general new authority to file civil actions for damages or injunctions in federal courts to enforce the federal HIPAA laws and seek attorneys’ fees and costs associated with
pursuing federal civil actions. In addition, other federal and state laws may govern the privacy and security of health and other information in certain circumstances, many of
which differ from each other in significant ways and may not have the same effect, thus complicating compliance efforts.

Even for entities that are not deemed “covered entities” or “business associates” under HIPAA, according to the United States Federal Trade Commission (the FTC) failing to
take appropriate steps to keep consumers' personal information secure constitutes unfair acts or practices in or affecting commerce in violation of Section 5(a) of the Federal
Trade Commission Act (the FTCA) 15 USC § 45(a). The FTC expects a company's data security measures to be reasonable and appropriate in light of the sensitivity and volume
of  consumer  information  it  holds,  the  size  and  complexity  of  its  business,  and  the  cost  of  available  tools  to  improve  security  and  reduce  vulnerabilities.  Medical  data  is
considered sensitive data that merits stronger safeguards. The FTC's guidance for appropriately securing consumers' personal information is similar to what is required by the
HIPAA Security Rule. The FTC’s authority under Section 5 is concurrent with HIPAA’s jurisdiction and with any action taken under state law.

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In addition, other federal and state laws may govern the privacy and security of health and other information in certain circumstances, many of which differ from each other in
significant  ways  and  may  not  have  the  same  effect,  thus  complicating  compliance  efforts.  For  example,  California  recently  enacted  legislation  –  the  California  Consumer
Privacy Act  (CCPA)  was  made  effective  January  1,  2020.  The  CCPA,  among  other  things,  created  new  data  privacy  obligations  for  covered  companies  and  provided  new
privacy rights to California residents, including the right to opt out of certain disclosures of their information. The CCPA also created a private right of action with statutory
damages for certain data breaches, thereby potentially increasing risks associated with a data breach. The California Attorney General will issue clarifying regulations. Although
the  law  includes  limited  exceptions,  including  for  certain  information  collected  as  part  of  clinical  trials  as  specified  in  the  law,  it  may  regulate  or  impact  our  processing  of
personal information depending on the context, and it remains unclear what language the final Attorney General regulations will contain or how the statute and the regulations
will be interpreted.

Many states have also adopted laws similar to each of the above federal laws, which may be broader in scope and apply to items or services reimbursed by any third‑party payor,
including commercial insurers, and some have transparency laws that require reporting price increases and related information. Certain state laws also regulate manufacturers’
use of prescriber‑identifiable data. Certain states also require implementation of commercial compliance programs and compliance with the pharmaceutical industry’s voluntary
compliance guidelines and the applicable compliance guidance promulgated by the federal government, or otherwise restrict payments or the provision of other items of value
that  may  be  made  to  healthcare  providers  and  other  potential  referral  sources;  impose  restrictions  on  marketing  practices;  or  require  drug  manufacturers  to  track  and  report
information  related  to  payments,  gifts,  and  other  items  of  value  to  physicians  and  other  healthcare  providers.  These  laws  may  affect  our  future  sales,  marketing,  and  other
promotional activities by imposing administrative and compliance burdens.

Because of the breadth of these laws and the narrowness of the statutory exceptions and regulatory safe harbors available under such laws, it is possible that certain business
activities could be subject to challenge under one or more of such laws. The scope and enforcement of each of these laws is uncertain and subject to rapid change in the current
environment of healthcare reform, especially in light of the lack of applicable precedent and regulations. Federal and state enforcement bodies have recently increased their
scrutiny of interactions between pharmaceutical companies and providers and patients, which has led to a number of investigations, prosecutions, convictions and settlements in
the  healthcare  industry.  Ensuring  that  business  arrangements  with  third  parties  comply  with  applicable  healthcare  laws,  as  well  as  responding  to  possible  investigations  by
government authorities, can be time- and resource-consuming and can divert management’s attention from the business, even if investigators ultimately find that no violation
has occurred.

If  our  operations  are  found  to  be  in  violation  of  any  of  the  laws  or  regulations  described  above  or  any  other  laws  that  apply  to  us,  we  may  be  subject  penalties  or  other
enforcement  actions,  including  criminal  and  significant  civil  monetary  penalties,  damages,  fines,  disgorgement,  imprisonment,  exclusion  from  participation  in  government
healthcare  programs,  corporate  integrity  agreements,  debarment  from  receiving  government  contracts  or  refusal  of  new  orders  under  existing  contracts,  reputational  harm,
diminished profits and future earnings, and the curtailment or restructuring of our operations, any of which could adversely affect our ability to operate our business and our
results of operations.

To the extent that any of our products are sold in a foreign country, we may be subject to similar foreign laws and regulations, which may include, for instance, applicable
post‑marketing  requirements,  including  safety  surveillance,  anti‑fraud  and  abuse  laws,  and  implementation  of  corporate  compliance  programs  and  reporting  of  payments  or
transfers of value to healthcare professionals.

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Coverage and Reimbursement Generally

The commercial success of our product candidates and our ability to commercialize any approved product candidates successfully will depend in part on the extent to which
governmental payor programs at the federal and state levels, including Medicare and Medicaid, private health insurers, and other third‑party payors provide coverage for and
establish adequate reimbursement levels for our product candidates. Government authorities, private health insurers, and other organizations generally decide which drugs they
will pay for and establish reimbursement levels and potential access restrictions. Medicare is a federally funded program managed by the Centers for Medicare and Medicaid
Services (CMS) through local contractors that administer coverage and reimbursement for certain healthcare items and services furnished to the elderly and disabled. Medicaid
is an insurance program for certain categories of patients whose income and assets fall below state‑defined levels and who are otherwise uninsured that is both federally and
state  funded  and  managed  by  each  state.  The  federal  government  sets  general  guidelines  for  Medicaid  and  each  state  creates  specific  regulations  that  govern  its  individual
program, including supplemental rebate programs that prioritize coverage for drugs on the state Preferred Drug List. Similarly, government laws and regulations establish the
parameters  for  coverage  of  prescription  drugs  by  Tricare,  the  health  care  program  for  military  personnel,  retirees,  and  related  beneficiaries.  Many  states  have  also  created
pharmacy assistance programs for individuals who do not qualify for federal programs. In the United States, private health insurers and other third‑party payors often provide
reimbursement for products and services based on the level at which the government provides reimbursement through the Medicare or Medicaid programs for such products and
services.

In the U.S. and other potentially significant markets for our product candidates, government authorities and third‑party payors are increasingly attempting to limit or regulate the
price of medical products and services, particularly for new and innovative products and therapies, which often has resulted in average selling prices lower than they would
otherwise  be.  For  example,  in  the  U.S.,  federal  and  state  governments  reimburse  covered  prescription  drugs  at  varying  rates  generally  below  average  wholesale  price.
Governmental and private payors may also establish certain access restrictions, such as prior approvals or evidence of failure on existing medications or therapies.

These  restrictions  and  limitations  influence  the  purchase  of  healthcare  services  and  products.  Third‑party  payors  are  developing  increasingly  sophisticated  methods  of
controlling  healthcare  costs.  Third‑party  payors  may  limit  coverage  to  specific  drug  products  on  an  approved  list,  or  formulary,  which  might  not  include  all  of  the
FDA‑approved drug products for a particular indication. Third‑party payors also control costs by requiring prior authorization or imposing other dispensing restrictions before
covering certain products and by broadening therapeutic classes to increase competition. Third‑party payors are increasingly challenging the price and examining the medical
necessity and cost‑effectiveness of medical products and services, in addition to their safety and efficacy. Absent clinical differentiators, third‑party payors may treat products as
therapeutically equivalent and base formulary decisions on net cost. To lower the prescription cost, manufacturers frequently rebate a portion of the prescription price to the
third‑party payors.

Federal programs also impose price controls through mandatory ceiling prices on purchases by federal agencies and federally funded hospitals and clinics and mandatory rebates
on  retail  pharmacy  prescriptions  paid  by  Medicaid  and  Tricare.  These  restrictions  and  limitations  influence  the  purchase  of  healthcare  services  and  products.  Legislative
proposals to reform healthcare or reduce costs under government programs may result in lower reimbursement for our product candidates or exclusion of our product candidates
from  coverage.  In  addition,  government  programs  like  Medicaid  include  substantial  penalties  for  increasing  commercial  prices  over  the  rate  of  inflation  which  can  affect
realization and return on investment.

Private payors often rely on the lead of the governmental payors in rendering coverage and reimbursement determinations. Therefore, achieving favorable CMS coverage and
reimbursement is usually a significant gating issue for successful introduction of a new product. In addition, many government programs as a condition of participation mandate
fixed discounts or rebates from manufacturers regardless of formulary position or utilization, and then rely on competition in the market to attain further price reductions, which
can greatly reduce realization on the sale.

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Further, the increased emphasis on managed healthcare in the U.S. and on country and regional pricing and reimbursement controls in the European Union will put additional
pressure on product pricing, reimbursement, and utilization, which may adversely affect our future product sales and results of operations. These pressures can arise from rules
and practices of managed care groups and health technology assessment bodies, competition within therapeutic classes, availability of generic equivalents, judicial decisions and
governmental laws and regulations related to Medicare, Medicaid, and healthcare reform, pharmaceutical coverage and reimbursement policies, and pricing in general. Patients
who are prescribed treatments for their conditions and providers performing the prescribed services generally rely on third‑party payors to reimburse all or part of the associated
healthcare costs. Sales of our product candidates will therefore depend substantially, both domestically and abroad, on the extent to which the costs of our products will be paid
by health maintenance, managed care, pharmacy benefit and similar healthcare management organizations, or reimbursed by government health administration authorities, such
as Medicare and Medicaid, private health insurers, and other third‑party payors.

As a result of the above, we may need to conduct expensive pharmacoeconomic studies in order to demonstrate the medical necessity and cost‑effectiveness of our products, in
addition  to  the  costs  required  to  obtain  the  FDA  and  other  comparable  foreign  regulatory  authority  approvals.  Our  product  candidates  may  not  be  considered  medically
necessary or cost‑effective, or the rebate percentages required to secure coverage may not yield an adequate margin over cost.

There is often pressure to renegotiate pricing and reimbursement levels, including, in particular, in connection with changes to Medicare. Third-party payors continue to demand
discounted  fee  structures,  and  the  trend  toward  consolidation  among  third-party  payors  tends  to  increase  their  bargaining  power  over  price  structures.  If  third-party  payors
reduce their rates for our products, then our revenue and profitability may decline and our operating margins will be reduced. Because some third-party payors rely on all or
portions of Medicare payment systems to determine payment rates, changes to government healthcare programs that reduce payments under these programs may negatively
impact  payments  from  third-party  payors.  Our  inability  to  maintain  suitable  financial  arrangements  with  third-party  payors  could  have  a  material  adverse  impact  on  our
business. Additionally, the reimbursement process is complex and can involve lengthy delays. Third party payors may disallow, in whole or in part, providers’ requests for
reimbursement based on determinations that certain amounts are not reimbursable under plan coverage, that the drugs provided were not medically necessary, or that additional
supporting documentation is necessary. Retroactive adjustments may change amounts realized from third party payors. Delays and uncertainties in the reimbursement process
may  adversely  affect  market  acceptance  and  utilization  of  our  products,  resulting  in  reduced  revenues.  The  unavailability  or  inadequacy  of  third-party  coverage  and
reimbursement could negatively affect the market acceptance of our products and the future revenues we may expect to receive from those products. In addition, we are unable
to predict what additional legislation or regulation relating to the healthcare industry or third-party coverage and reimbursement may be enacted in the future, or what effect
such  legislation  or  regulation  would  have  on  our  business.  Many  hospitals  implement  a  controlled  and  defined  process  for  developing  and  approving  formularies.  Any
marketing efforts that are determined to have violated such policies could result in the denial or removal of our products from that hospital’s formulary.

Moreover, a payor’s decision to provide coverage for a drug product does not imply that an adequate reimbursement rate will be approved. Adequate third‑party reimbursement
may not be available to enable us to maintain price levels sufficient to realize an appropriate return on our investment in drug development. Legislative proposals to reform
healthcare or reduce costs under government insurance programs may result in lower reimbursement for our products and product candidates or exclusion of our products and
product candidates from coverage. The cost containment measures that healthcare payors and providers are instituting and any healthcare reform could significantly reduce our
revenues from the sale of any approved product candidates. We cannot provide any assurances that we will be able to obtain and maintain third‑party coverage or adequate
reimbursement for our product candidates in whole or in part.

Pharmacy benefit managers (PBM), rebates and pricing transparency are key areas of legislative and regulatory focus and there may be changes in the regulatory landscape that
could have a significant impact on the pharmaceutical supply chain and drug pricing more generally, which could affect our business operations and prospects in unknown and
material ways.

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Healthcare Reform Measures

The U.S. and some foreign jurisdictions are considering or have enacted a number of legislative and regulatory proposals designed to change the healthcare system in ways that
could affect our ability to sell our products profitably. Among policy makers and payors in the United States and elsewhere, there is significant interest in promoting changes in
healthcare systems with the stated goals of containing healthcare costs, improving quality, and expanding access. In the United States, the pharmaceutical industry has been a
particular focus of these efforts and has been significantly affected by major legislative initiatives.

For example, the Medicare Prescription Drug, Improvement, and Modernization Act of 2003 (MMA) established a prescription drug benefit program for Medicare beneficiaries.
Under  Part  D,  Medicare  beneficiaries  may  enroll  in  prescription  drug  plans  offered  by  private  entities  that  provide  coverage  of  outpatient  prescription  drugs.  Part  D  plans
include both standalone prescription drug benefit plans and prescription drug coverage as a supplement to Medicare Advantage plans. Unlike Medicare Part A and B, which do
not utilize formularies to restrict coverage, Part D coverage varies by plan. With some exceptions, Part D prescription drug plan sponsors are not required to pay for all covered
Part  D  drugs,  and  each  drug  plan  can  develop  its  own  drug  formulary  that  identifies  which  drugs  it  will  cover  and  at  what  tier  or  level.  However,  Part  D  prescription  drug
formularies must include drugs within each therapeutic category and class of covered Part D drugs, though not necessarily all the drugs in each category or class. Any formulary
used by a Part D prescription drug plan must be developed and reviewed by a pharmacy and therapeutic committee. Government payment for some of the costs of prescription
drugs may increase demand for any products for which we receive marketing approval. However, Part D plans use competition for coverage to leverage manufacturer rebates.
Further,  the  law  requires  manufacturers  to  absorb  a  significant  percentage  of  the  prescription  price  paid  for  NDA  drugs,  including  504(b)(2)  drugs,  during  a  beneficiary’s
coverage gap. The Bipartisan Budget Act of 2018 permanently increased manufacturer liability for the prescription price in the coverage gap from 50% to 70% beginning in
2019, while simultaneously accelerating closure of the gap. These cost reduction initiatives and other provisions of the legislation, as well as any negotiated price discounts for
our future products covered by a Part D prescription drug plan, may decrease the coverage and reimbursement rate that we receive, lower the net price realized on our sales to
pharmacies, or both. Moreover, while the MMA applies only to drug benefits for Medicare beneficiaries, private payors often follow Medicare coverage policy and payment
limitations  in  setting  their  own  payment  rates.  Any  reduction  in  payment  that  results  from  Medicare  Part  D  may  result  in  a  similar  reduction  in  payments  from
non‑governmental payors.

The ACA established the Patient-Centered Outcome Research Institute to organize and coordinate federally funded research to compare the effectiveness of different treatments
for the same illness. Although the results of the comparative effectiveness studies are not intended to mandate coverage policies for public or private payors, it is not clear what
effect, if any, the research will have on the sales of any product, if any such product or the condition that it is intended to treat is the subject of a study. It is also possible that
comparative  effectiveness  research  demonstrating  benefits  in  a  competitor’s  product  could  adversely  affect  the  sales  of  our  product  candidates.  If  third‑party  payors  do  not
consider our product candidates to be cost‑effective compared to other available therapies, they may not cover our product candidates, once approved, as a benefit under their
plans or, if they do, the level of payment may not be sufficient to allow us to sell our products on a profitable basis.

The ACA made other changes intended to broaden access to health insurance, reduce or constrain the growth of healthcare spending, enhance remedies against fraud and abuse,
add new transparency requirements for healthcare and health insurance industries, impose new taxes and fees on the health care industry, and impose additional health policy
reforms. The law expanded the eligibility criteria for Medicaid programs, thereby potentially increasing both the volume of sales and manufacturers’ Medicaid rebate liability.
The law also expanded the entities eligible for discounts under the 340B Drug Discount Program, which mandates discounts to certain hospitals, community centers, and other
qualifying providers, although, with the exception of children’s hospitals, these newly eligible entities are not eligible to receive discounted 340B pricing on orphan drugs and
the Health Resources and Services Administration has narrowed its interpretation of which beneficiaries may fill prescriptions through 340B inventories. The law additionally
extended manufacturer’s Medicaid rebate liability to covered drugs dispensed to patients enrolled in Medicaid managed care organizations, increased the statutory minimum
rebates a manufacturer must pay under the Medicaid Drug Rebate program, and created an alternative rebate formula for certain new formulations of certain existing products,
which is intended to increase the amount of rebates due on those drugs. The revisions to the Medicaid rebate formula can have the further effect of increasing the required 340B
discounts. Finally, the ACA imposes a significant annual fee on companies that manufacture or import branded prescription drug products. Substantial new provisions affecting
compliance have also been enacted through the ACA and otherwise, including the reporting of drug sample distribution, which may require us to modify our business practices
with healthcare practitioners. Moreover, in the coming years, additional changes could be made to governmental healthcare programs that could significantly impact the success
of our product candidates.

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The ACA also imposed an affirmative obligation to report and repay any overpayments, including those payments that resulted from violations of the Anti-Kickback Statute,
false claims act, or civil monetary penalties statute, within sixty (60) days after such overpayment has been identified. Corresponding case law imposes an obligation on entities
to exercise reasonable diligence in identifying such overpayments. The failure to timely report and repay is, itself, considered to constitute a violation of the False Claims Act.

The cost of pharmaceuticals continues to generate substantial governmental and third-party payor interest, and pharmaceutical pricing and marketing currently received a great
deal  of  Congressional  and  administrative  attention.  There  have  been  numerous  initiatives  on  the  federal  and  state  levels  in  the  United  States  for  comprehensive  reforms
affecting the payment for, the availability of, and reimbursement for, healthcare services. In particular, there have been a number of federal and state proposals during the last
few  years  regarding  the  pricing  of  pharmaceutical  and  biopharmaceutical  products,  limiting  coverage  and  reimbursement  for  drugs  and  other  medical  products,  government
control and other changes to the healthcare system in the United States. Recent U.S. Congressional inquiries and proposed and enacted federal and state legislation have also
been released and are designed to, among other things, bring more transparency to drug pricing, reduce the cost of prescription drugs under Medicare, review the relationship
between pricing and manufacturer patient programs and reform government program reimbursement methodologies for drugs. Recent federal budget proposals have included
measures to permit Medicare Part D plans to negotiate the price of certain drugs under Medicare Part B, to allow some states to negotiate drug prices under Medicaid, and to
eliminate cost sharing for generic drugs for low-income patients. The U.S. Congress and the Trump Administration have indicated that they will continue to seek new legislative
and administrative measures to control drug costs, including by addressing the role of PBMs in the supply chain. Current and future U.S. legislative healthcare reforms may
result in price controls and other restrictions for any approved products, if covered, and could seriously harm our business. Drug pricing is and will remain a key bipartisan issue
in the coming year. If drug pricing reform is not meaningfully addressed before the 2020 election, policies to be pursued in the future may be more aggressive, regardless of
which party controls the White House. Given that drug pricing controls is a key legislative and administration priority, it is likely that additional pricing controls will be enacted
and  could  harm  our  business,  financial  condition  and  results  of  operations. At  the  state  level,  legislatures  have  increasingly  passed  legislation  and  implemented  regulations
designed to control pharmaceutical and biological product pricing, including price or patient reimbursement constraints, discounts, restrictions on certain product access and
marketing cost disclosure and transparency measures, and, in some cases, designed to encourage importation from other countries and bulk purchasing. Some states, such as
California, have enacted transparency laws that require manufacturers to report drug price increases and related information. The boom in state laws targeting drug pricing is
unprecedented and the requirements are not uniform from state to state, creating additional compliance and commercialization challenges for manufacturers. We further expect
that the pharmaceutical industry will experience pricing pressures due to the trend toward managed healthcare, the increasing influence of managed care organizations, judicial
interpretation of health care reform efforts, and additional legislative and regulatory proposals resulting in ongoing, relatively rapid changes to applicable laws and regulations.
Our results of operations could be adversely affected by current and future healthcare reforms.

Government  and  private  payors  also  increasingly  require  pre‑approval  of  coverage  for  new  or  innovative  devices  or  drug  therapies  or  condition  coverage  on  unsuccessful
alternative treatment before they will reimburse healthcare providers that use such therapies. For some specialty drugs, payors are conditioning payment on successful treatment
measured  by  objective  metrics.  While  we  cannot  predict  whether  any  proposed  cost‑containment  measures  will  be  adopted  or  otherwise  implemented  in  the  future,  the
announcement or adoption of these proposals could have a material adverse effect on our ability to obtain adequate prices for our product candidates and operate profitably.

Since  January  2017,  Congress  and  the  Trump Administration  have  been  engaged  in  various  efforts  to  repeal  or  materially  modify  various  aspects  of ACA.  The  results  and
effects of such ongoing efforts have varied after facing judicial and Congressional challenges but could affect our business operations and prospects in unknown ways, and it is
unclear how ACA and other laws ultimately will be implemented. For example, on December 15, 2019, a federal district court in Texas struck down the ACA in its entirety,
finding that the Tax Cuts and Jobs Act of 2017 ( TCJA) rendered the individual mandate unconstitutional. The judge further concluded in Texas v. Azar that since the individual
mandate is “essential” to the ACA, it could not be severed from the rest of the ACA and therefore, the entire ACA was unconstitutional. Despite its decision, however, the court
did not issue an injunction and therefore, immediate compliance is not required. In addition, the Trump Administration announced that it will continue to administer the law
until a formal decision is made by the U.S. Supreme Court. The Supreme Court recently announced that it will hear a challenge in Texas v. United States, though arguments have
not yet been set. It is likely that the case will be scheduled for arguments early in the next term that starts in October 2020. Apart from Texas v. United States, ACA litigation
continues across the country in district and appellate courts, and before the Supreme Court. The Supreme Court will issue at least two ACA-related decisions before the end of
its current term: one on the risk corridors program (Maine Community Health Options v. United States) and the other on religious or  moral  exemptions  to  the  contraceptive
mandate (Trump v. Pennsylvania and Little Sisters of the Poor v. Pennsylvania). Both decisions are expected before July 2020. It is unclear how the eventual decisions from the
Supreme Court and the various other courts across the country to repeal and replace the ACA will impact the ACA and our business. It is also unclear how regulations and sub-
regulatory  policy,  which  fluctuate  continually,  may  affect  interpretation  and  implementation  of  the ACA  and  its  practical  effects  on  our  business,  particularly  entering  an
election year.

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In the future, there may continue to be additional proposals relating to the reform of the U.S. healthcare system, some of which could further limit the prices we will be able to
charge for our product candidates, or the amounts of reimbursement available for our product candidates. If future legislation were to impose direct governmental price controls
or access restrictions, it could have a significant adverse impact on our business. Managed care organizations, as well as Medicaid and other government agencies, continue to
seek  price  discounts.  Some  states  have  implemented,  and  other  states  are  considering,  measures  to  reduce  costs  of  the  Medicaid  program,  and  some  states  are  considering
implementing  measures  that  would  apply  to  broader  segments  of  their  populations  that  are  not  Medicaid-eligible.  Due  to  the  volatility  in  the  current  economic  and  market
dynamics, we are unable to predict the impact of any unforeseen or unknown legislative, regulatory, payor or policy actions, which may include cost containment and healthcare
reform measures. Such policy actions could have a material adverse impact on our profitability.

These and other healthcare reform initiatives may result in additional reductions in Medicare and other healthcare funding, which could have a material adverse effect on our
financial operations. We expect that additional state and federal healthcare reform measures will be adopted in the future, any of which could limit the amounts that federal and
state governments will pay for healthcare products and services, which could result in reduced demand for our product candidates or additional pricing pressures.

The Foreign Corrupt Practices Act

The Foreign Corrupt Practices Act (FCPA) prohibits any U.S. individual or business from paying, offering, or authorizing payment or offering of anything of value, directly or
indirectly, to any foreign official, political party, or candidate for the purpose of influencing any act or decision of the foreign entity in order to assist the individual or business
in  obtaining  or  retaining  business.  The  FCPA  also  obligates  companies  whose  securities  are  listed  in  the  United  States  to  comply  with  accounting  provisions  requiring  the
company to maintain books and records that accurately and fairly reflect all transactions of the corporation, including international subsidiaries, and to devise and maintain an
adequate system of internal accounting controls for international operations. Activities that violate the FCPA, even if they occur wholly outside the United States, can result in
criminal and civil fines, imprisonment, disgorgement, oversight, and debarment from government contracts.

Foreign Regulation

To the extent we choose to develop or sell any products outside of the U.S., we will be subject to a variety of foreign regulatory requirements of other countries regarding safety
and efficacy and governing, among other things, clinical trials, marketing authorization, commercial sales, and distribution of our products. For example, in the European Union
(EU), we must obtain authorization of a clinical trial application in each member state in which we intend to conduct a clinical trial prior to the pending introduction of a EU
portal for EU-wide approvals. Whether or not we obtain FDA approval for a product, we would need to obtain the necessary approvals by the comparable regulatory authorities
of foreign countries before we can commence clinical trials or marketing of the product in those countries. The approval process varies from country to country and can involve
additional  product  testing  and  additional  administrative  review  periods.  The  time  required  to  obtain  approval  in  other  countries  might  differ  from  and  be  longer  than  that
required to obtain FDA approval. The requirements governing the conduct of clinical trials, product licensing, pricing, and reimbursement vary greatly from country to country.
Regulatory approval in one country does not ensure regulatory approval in another, but a failure or delay in obtaining regulatory approval in one country may negatively impact
the regulatory process in others. As in the U.S., post‑approval regulatory requirements, such as those regarding product manufacture, marketing, or distribution, would apply to
any product that is approved outside the U.S.

VistaGen Therapeutics. Inc., a California corporation, dba VistaStem Therapeutics ( VistaStem), is our wholly-owned subsidiary and has a wholly-owned subsidiary, Artemis
Neuroscience, Inc., a corporation incorporated pursuant to the laws of the State of Maryland. The operations of VistaStem, and its wholly owned subsidiary are managed by our
senior management team based in South San Francisco, California.

Subsidiaries and Inter-Corporate Relationships

VistaGen Therapeutics, Inc., a California corporation incorporated on May 26, 1998, dba VistaStem, is our wholly-owned subsidiary. Excaliber Enterprises, Ltd. ( Excaliber), a
publicly-held company (formerly OTCBB: EXCA) was incorporated under the laws of the State of Nevada on October 6, 2005. Pursuant to a strategic merger transaction on
May  11,  2011,  Excaliber  acquired  all  outstanding  shares  of  VistaStem  in  exchange  for  341,823  shares  of  our  common  stock  and  assumed  all  of  VistaStem’s  pre-Merger
obligations (the Merger). Shortly after the Merger, Excaliber’s name was changed to “VistaGen Therapeutics, Inc.” (a Nevada corporation).

Corporate History

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VistaStem,  as  the  accounting  acquirer  in  the  Merger,  recorded  the  Merger  as  the  issuance  of  common  stock  for  the  net  monetary  assets  of  Excaliber,  accompanied  by  a
recapitalization.  The accounting treatment for the Merger was identical to that resulting from a reverse acquisition, except that we recorded no goodwill or other intangible
assets. A total of 78,450 shares of our common stock, representing the shares held by stockholders of Excaliber immediately prior to the Merger are reflected as outstanding for
all periods presented in the Consolidated Financial Statements of the Company included in Item 8 of this Annual Report. Additionally, the Consolidated Balance Sheets reflect
the $0.001 par value of Excaliber’s common stock.

The  Consolidated  Financial  Statements  included  in  Item  8  of  this Annual  Report  represent  the  activity  of  VistaStem  from  May  26,  1998,  and  the  consolidated  activity  of
VistaStem and Excaliber (now VistaGen Therapeutics, Inc., a Nevada corporation), from May 11, 2011 (the date of the Merger) through March 31, 2019. The Consolidated
Financial  Statements  also  include  the  accounts  of  VistaStem’s  two  inactive  wholly-owned  subsidiaries, Artemis  Neuroscience,  Inc.,  a  Maryland  corporation  ( Artemis),  and
VistaStem Canada, Inc., a corporation organized under the laws of Ontario, Canada (VistaStem Canada).

Conducting  research  and  development  is  central  to  our  business  model.  We  have  invested  and  expect  to  continue  to  invest  significant  time  and  capital  in  our  research  and
development  operations.  Our  research  and  development  expenses  were  $13.4  million  and  $17.1  million  for  the  fiscal  years  ended  March  31,  2020  and  2019,  respectively,
including the noncash cost of $4.25 million in fiscal 2019 for the acquisition of the PH94B and PH10 licenses from Pherin. We plan to increase our research and development
expenses for the foreseeable future as we seek to complete the development of PH94B, PH10 and AV-101.

Research and Development

Employees

As of June 26, 2020, we employed nine full-time employees, four of whom have doctorate degrees. Five full-time employees work in research and development and laboratory
support  services  and  four  full-time  employees  work  in  general  and  administrative  roles.  Staffing  for  all  other  functional  areas  is  achieved  through  our  diverse  network  of
strategic relationships with multiple CROs, CDMOs, and other third-party service providers and consultants. These service providers and consultants provide us with support
services on a flexible, real-time, as-needed basis, including services related to, among others, human resources and payroll, information technology, facilities, legal, investor and
public relations, manufacturing, product development, regulatory affairs and FDA program management to complement our internal resources in these areas.

We  have  never  had  a  work  stoppage,  and  none  of  our  employees  is  represented  by  a  labor  organization  or  under  any  collective  bargaining  agreement.  We  consider  our
employee relations to be good.

We lease our office and laboratory space, which consists of approximately 10,900 square feet located in South San Francisco, California, under a lease expiring on July 31,
2022.  

Facilities

None.

Legal Proceedings

Environmental Regulation

Our business does not require us to comply with any extraordinary environmental regulations.

Available Information

We file reports and other information with the SEC, as required by the Exchange Act. We make available free of charge through our website (http://www.vistagen.com)  our
annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and amendments to those reports filed or furnished pursuant to Sections 13(a) and
15(d) of the Exchange Act. We make these reports available through our website as soon as reasonably practicable after we electronically file such reports with, or furnish such
reports to, the SEC. In addition, we regularly use our website to post information regarding our business, product development programs and governance, and we encourage
investors to use our website, particularly the information in the section entitled “Investors,” as a source of information about us. The foregoing references to our website are not
intended to, nor shall they be deemed to, incorporate information on our website into this Annual Report on Form 10-K by reference.

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Item 1A.  Risk Factors

Investing in our securities involves a high degree of risk. You should consider carefully the risks and uncertainties described below, together with all other information in this
Annual Report before investing in our securities.  The risks described below are not the only risks facing our Company.  Additional risks and uncertainties not currently known
to us or that we currently deem to be immaterial may also materially adversely affect our business, financial condition and/or operating results. If any of the following risks are
realized, our business, financial condition and/or operating results could be materially and adversely affected.

The COVID-19 pandemic has, and may continue to adversely impact our business.

In recent months, a new strain of coronavirus (COVID-19)  has  spread  to  many  countries  in  the  world  and  the  outbreak  has  been  declared  a  pandemic  by  the  World  Health
Organization. The U.S. Secretary of Health and Human Services has also declared a public health emergency in the U.S. in response to the outbreak. Considerable uncertainty
still surrounds the COVID-19 virus and its potential effects, and the extent of and effectiveness of responses taken on international, national and local levels. Measures taken to
limit the impact of COVID-19, including shelter-in-place orders, social distancing measures, travel bans and restrictions, and business and government shutdowns have already
resulted in significant negative economic impacts on a global basis.

As the coronavirus pandemic continues to rapidly evolve, we cannot at this time accurately predict the effects of these conditions on our operations. Uncertainties remain as to
the ultimate geographic spread of the virus, the severity of the disease, the duration of the outbreak, and the length and scope of the travel restrictions and business closures
imposed  by  the  governments  of  impacted  countries.  The  continued  outbreak  of  COVID-19,  or  another  infectious  disease  with  similar  characteristics,  may  lead  to  the
implementation of further responses, including additional travel restrictions, government-imposed quarantines or stay-at-home orders, and other public health safety measures,
which  may  result  in  further  disruptions  to  our  business  and  operations.  The  COVID-19  outbreak  has  had  an  impact  on  our  business,  and  a  continuing  outbreak  or  future
outbreaks may have several adverse effects on our business, results of operations and financial condition.

● Delayed product development: We have, and may continue to face delays or other disruptions to our ongoing clinical development programs for PH94B, PH10 and AV-
101 due to the ongoing COVID-19 pandemic. In addition, regulatory oversight and actions regarding our products may be disrupted or delayed in regions impacted by
COVID-19,  including  the  U.S.  and  elsewhere,  which  may  impact  review  and  approval  timelines  for  products  in  development.    Although  we  remain  invested  in
continuing our clinical development programs for our current product candidates, our research and development efforts may be impacted if our employees, our contract
research organizations (CROs) and our third-party contract manufacturer(s) (CMOs) are advised to continue to work remotely as part of social distancing measures.

● Negative impacts on our suppliers and employees: COVID-19 or similar infectious diseases may impact the health of our employees, contractors or suppliers, reduce
the availability of our workforce or those of companies with which we do business, divert our attention toward succession planning, or create disruptions in our supply
or distribution networks. Since the beginning of the COVID-19 pandemic, we have experienced delays of the delivery of supplies of active pharmaceutical product
(API)  required  to  continue  development  of  PH94B  and  PH10. Although  our  supply  of  raw  materials  and API  remains  sufficiently  operational,  we  may  experience
adverse effects of such events, which may result in a significant, material disruption to clinical development programs, and our operations. Additionally, having shifted
to  remote  working  arrangements,  we  also  face  a  heightened  risk  of  cybersecurity  attacks  or  data  security  incidents  and  are  more  dependent  on  internet  and
telecommunications access and capabilities.

COVID-19  has  also  created  significant  disruption  to  and  volatility  in  national,  regional  and  local  economies  and  markets.  Uncertainties  related  to,  and  perceived  or
experienced negative effects from, COVID-19 may cause significant volatility or decline in the trading price of our securities, capital market conditions and general economic
environment. Our future results of operations and liquidity could be adversely impacted by supply chain disruptions and operational challenges faced by our CROs, CMOs and
other contractors. Continued outbreaks of COVID-19 or a significant outbreak of contagious diseases in the human population could result in a widespread health crisis that
could  adversely  affect  the  economies  and  financial  markets  of  many  countries,  resulting  in  a  further  economic  downturn  or  a  global  recession.  Such  events  may  limit  or
restrict our ability to access capital on favorable terms, or at all, lead to consolidation that negatively impacts our business, weaken demand, increase competition, cause us to
reduce our capital spend further, or otherwise disrupt our business or make it more difficult to implement our strategic plans.

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Risks Related to Product Development, Regulatory Approval and Commercialization

We  depend  heavily  on  the  success  of  one  or  more  of  our  current  drug  candidates  and  we  cannot  be  certain  that  we  will  be  able  to  obtain  regulatory  approval  for,  or
successfully commercialize any of our product candidates.

We currently have no drug products for sale and may never be able to develop and commercialize marketable drug products. Our business currently depends heavily on the
successful development, manufacturing, regulatory approval and commercialization of one or more of our current drug candidates, as well as, but to a more limited extent, our
ability  to  acquire,  license  or  produce,  develop  and  commercialize  additional  product  candidates.  Each  of  our  current  drug  candidates  will  require  substantial  additional
nonclinical and clinical development, manufacturing and regulatory approval before any of them may be commercialized, and there can be no assurance that any of them will
ever achieve regulatory approval. Any new chemical entity (NCE) we may produce through drug rescue activities will require substantial nonclinical development, all phases of
clinical development, manufacturing and regulatory approval before it may be commercialized. The nonclinical and clinical development of our product candidates are, and the
manufacturing and marketing of our product candidates will be, subject to extensive and rigorous review and regulation by numerous government authorities in the U.S. and in
other countries where we intend to test and, if approved, market any product candidate. Before obtaining regulatory approvals for the commercial sale of any product candidate,
we  must  demonstrate  through  numerous  nonclinical  and  clinical  studies  that  the  product  candidate  is  safe  and  effective  for  use  in  each  target  indication.  Research  and
development of product candidates in the pharmaceutical industry is a long, expensive and uncertain process, and delay or failure can occur at any stage of any of nonclinical or
clinical  studies.  This  process  takes  many  years  and  may  also  include  post-marketing  studies,  surveillance  obligations  and  drug  safety  programs,  which  would  require  the
expenditure of substantial resources beyond the proceeds we have raised to date. Of the large number of drug candidates in development in the U.S., only a small percentage will
successfully complete the required FDA regulatory approval process and will be commercialized. Accordingly, we cannot assure you that any of our current drug candidates or
any future product candidates will be successfully developed or commercialized in the U.S. or any market outside the U.S.

We are not permitted to market our product candidates in the U.S. until we receive approval of a New Drug Application ( NDA) from the FDA, or in any foreign countries until
we receive the requisite approval from such countries. Obtaining FDA approval of a NDA is a complex, lengthy, expensive and uncertain process. The FDA may refuse to
permit the filing of our NDA, delay, limit or deny approval of a NDA for many reasons, including, among others:

● if we submit a NDA and it is reviewed by a FDA advisory committee, the FDA may have difficulties scheduling an advisory committee meeting in a timely manner or the
advisory committee may recommend against approval of our application or may recommend that the FDA require, as a condition of approval, additional nonclinical or
clinical studies, limitations on approved labeling or distribution and use restrictions;

● a FDA advisory committee may recommend, or the FDA may require, a Risk Evaluation and Mitigation Strategies ( REMS) safety program as a condition of approval or

post-approval;

● a FDA advisory committee or the FDA or applicable regulatory agency may determine that there is insufficient evidence of overall effectiveness or safety in a NDA and

require additional clinical studies;

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● the FDA or the applicable foreign regulatory agency may determine that the manufacturing processes or facilities of third-party contract manufacturers with which we

contract do not conform to applicable requirements, including current Good Manufacturing Practices (cGMPs); or

● the FDA or applicable foreign regulatory agency may change its approval policies or adopt new regulations.

Any of these factors, many of which are beyond our control, could jeopardize our ability to obtain regulatory approval for and successfully commercialize any current or future
drug product candidate we may develop. Any such setback in our pursuit of regulatory approval for any product candidate would have a material adverse effect on our business
and prospects.

In addition, we anticipate that certain of our product candidates, including PH94B and PH10, will be subject to regulation as combination products, which means that they are
composed  of  both  a  drug  product  and  device  product. Although  we  do  not  contemplate  doing  so,  if  marketed  individually,  each  component  would  be  subject  to  different
regulatory pathways and reviewed by different centers within the FDA. Our product candidates that are considered to be drug-device combination products will require review
and coordination by FDA’s drug and device centers prior to approval, which may delay approval.  A combination product with a drug primary mode of action generally would
be  reviewed  and  approved  pursuant  to  the  drug  approval  processes  under  the  Federal  Food,  Drug  and  Cosmetic Act  of  1938.  In  reviewing  the  NDA  application  for  such  a
product, however, FDA reviewers in the drug center could consult with their counterparts in the device center to ensure that the device component of the combination product
met  applicable  requirements  regarding  safety,  effectiveness,  durability  and  performance.  Under  FDA  regulations,  combination  products  are  subject  to  cGMP  requirements
applicable  to  both  drugs  and  devices,  including  the  Quality  System  (QS)  regulations  applicable  to  medical  devices.  Problems  associated  with  the  device  component  of  the
combination product candidate may delay or prevent approval.

We have been granted Fast Track designation from the FDA for development of PH94B for the treatment of social anxiety disorder (SAD) and AV-101 for the adjunctive
treatment of major depressive disorder (MDD) and for the treatment of neuropathc pain (NP). However, these designations may not actually lead to faster development or
regulatory  review  or  approval  processes  for  PH94B  or  AV-101.  Further,  there  is  no  guarantee  the  FDA  will  grant  Fast  Track  designation  for  PH94B  or  AV-101  as  a
treatment option for other CNS indications or for any of our other product candidates in the future.

The Fast Track designation is a program offered by the FDA, pursuant to certain mandates under the FDA Modernization Act of 1997, designed to facilitate drug development
and to expedite the review of new drugs that are intended to treat serious or life-threatening conditions. Compounds selected must demonstrate the potential to address unmet
medical needs. The FDA’s Fast Track designation allows for close and frequent interaction with the FDA. A designated Fast Track drug may also be considered for priority
review  with  a  shortened  review  time,  rolling  submission,  and  accelerated  approval  if  applicable.  The  designation  does  not,  however,  guarantee  FDA  approval  or  expedited
approval of any application for the product candidate.

In December 2017, the FDA granted Fast Track designation for development of AV-101 for the adjunctive (add-on) treatment of MDD in patients with an inadequate response
to  current  antidepressants.  In  September  2018,  the  FDA  granted  Fast  Track  designation  for  development  of AV-101  for  the  treatment  of  NP.  In  December  2019,  the  FDA
granted Fast Track designation for development of PH94B for the treatment of SAD. However, these FDA Fast Track designations may not lead to a faster development or
regulatory review or approval process for PH94B or AV-101 and the FDA may withdraw Fast Track designation of PH94B or AV-101 for if it believes that the respective
designation is no longer supported by data from our clinical development programs.

In addition, we may apply for Fast Track designation for PH94B, PH10 and AV-101 as a treatment option for other CNS indications,. The FDA has broad discretion whether or
not to grant a Fast Track designation, and even if we believe PH94B, PH10, AV-101 or other product candidates may be eligible for this designation, we cannot be sure that the
review or approval will compare to conventional FDA procedures.

Results of earlier clinical trials may not be predictive of the results of later-stage clinical trials.

The results of preclinical studies and early clinical trials of PH94B, PH10, AV-101 and/or our other future product candidates, if any, including positive results, may not be
predictive of the results of later-stage clinical trials. PH94B, PH10, AV-101 or any other future product candidates in later stages of clinical development may fail to show the
desired  safety  and  efficacy  results  despite  having  progressed  through  nonclinical  studies  and  initial  clinical  trials.  Many  companies  in  the  biopharmaceutical  industry  have
suffered significant setbacks in later-stage clinical trials due to adverse safety profiles or lack of efficacy, notwithstanding promising results in earlier studies. Similarly, our
future clinical trial results may not be successful for these or other reasons.

Moreover,  nonclinical  and  clinical  data  are  often  susceptible  to  varying  interpretations  and  analyses,  and  many  companies  that  believed  their  product  candidates  performed
satisfactorily in nonclinical studies and clinical trials nonetheless failed to obtain FDA approval. With respect to our current product candidates, if one or more of the future
Phase  3  clinical  trials  of  PH94B  for  SAD,  any  future  clinical  study  of AV-101  or  a  future  Phase  2  clinical  trial  of  PH10  for  MDD  fail(s)  to  produce  positive  results,  the
development timeline and regulatory approval and commercialization prospects for PH94B, PH10 or AV-101 and, correspondingly, our business and financial prospects, could
be materially adversely affected.

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This drug candidate development risk is heightened by any changes in planned timing or nature of clinical trials compared to completed clinical trials. As product candidates are
developed through preclinical to early- and late-stage clinical trials towards regulatory approval and commercialization, it is customary that various aspects of the development
program,  such  as  manufacturing  and  methods  of  administration,  are  altered  along  the  way  in  an  effort  to  optimize  processes  and  results.  While  these  types  of  changes  are
common and are intended to optimize the product candidates for later stage clinical trials, approval and commercialization, such changes do carry the risk that they will not
achieve these intended objectives.

For example, the results of planned clinical trials have been affected by supply chain disruptions experienced by certain of our CMOs as a result of the ongoing COVID-19
pandemic. In addition, clinical development of our products may be further affected if we or any of our collaborators seek to optimize and scale-up production of a product
candidate. In such case, we will need to demonstrate comparability between the newly manufactured drug substance and/or drug product relative to the previously manufactured
drug substance and/or drug product. Demonstrating comparability may cause us to incur additional costs or delay initiation or completion of our clinical trials, including the
need to initiate a dose escalation study and, if unsuccessful, could require us to complete additional nonclinical or clinical studies of our product candidates.

If serious adverse events or other undesirable side effects or safety concerns attributable to future clinical trials of our product candidates, it may adversely affect or delay
our clinical development and commercialization of PH94B, PH10 or AV-101.

Undesirable side effects or safety concerns caused by our product candidates could cause us or regulatory authorities to interrupt, delay or halt clinical trials and could result in a
more  restrictive  label  or  the  delay  or  denial  of  regulatory  approval. Although  no  treatment-related  serious  adverse  events  (SAEs)  were  observed  in  any  clinical  trials  of  our
product candidates to date, if treatment-related SAEs or other undesirable side effects or safety concerns, or unexpected characteristics attributable to PH94B, PH10 and/or AV-
101 are observed in any furture clinical trials, including investigator-sponsored clinical trials, it may adversely affect or delay our clinical development and commercialization of
the effected product candidate, and the occurrence of these events could have a material adverse effect on our business and financial prospects. Results of our future clinical
trials could reveal a high and unacceptable severity and prevalence of adverse side effects. In such an event, our trials could be suspended or terminated and the FDA or other
regulatory agency could order us to cease further development of or deny approval of our product candidates for any or all targeted indications. The drug-related side effects
could affect patient recruitment or the ability of enrolled patients to complete the trial or result in potential product liability claims.

Additionally, if any of our product candidates receives marketing approval and we or others later identify undesirable or unacceptable side effects or safety concerns caused by
these product candidates, a number of potentially significant negative consequences could result, including:

● 

● 

● 

● 

regulatory authorities may withdraw, suspend, or limit approvals of such product and require us to take them off the
market;

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

regulatory authorities may require a medication guide outlining the risks of such side effects for distribution to patients, or that we implement a REMS or REMS-like
plan to ensure that the benefits of the product outweigh its risks;

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

●            we may be required to conduct additional post-marketing studies or

surveillance;

●            we may be subject to limitations on how we may promote the

product;

●            sales of the product may decrease

significantly;

● 

we may be subject to regulatory investigations, government enforcement actions, litigation or product liability claims;
and

●            our products may become less competitive or our reputation may

suffer.

Any  of  these  events  could  prevent  us  or  any  collaborators  from  achieving  or  maintaining  market  acceptance  of  our  product  candidates  or  could  substantially  increase
commercialization costs and expenses, which in turn could delay or prevent us from generating significant revenue from the sale of our product candidates.

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Failures or delays in the commencement or completion of our planned clinical trials and nonclinical studies of PH94B, PH10, AV-101 or other our product candidates
could result in increased costs to us and could delay, prevent or limit our ability to generate revenue and continue our business.

We will need to complete at least two pivotal Phase 3 clinical studies of PH94B, additional toxicology and other standard nonclinical and clinical safety studies, as well as
certain standard smaller clinical studies prior to our submission of an NDA for regulatory approval of PH94B as an on-demand treatment for SAD or any other CNS indication.
For PH10, we will need to complete at least one additional Phase 2 clinical study, two pivotal Phase 3 clinical trials, additional toxicology and other standard nonclinical and
clinical safety studies, as well as certain standard smaller clinical studies prior to the submission of an NDA for regulatory approval of PH10 as treatment for MDD, or any other
CNS indication. For AV-101, for treatment of any CNS indication, we will need to complete at least two Phase 2 clinical studies, two pivotal Phase 3 clinical trials, additional
toxicology  and  other  standard  nonclinical  and  clinical  safety  studies,  as  well  as  certain  standard  smaller  clinical  studies  prior  to  the  submission  of  an  NDA  for  regulatory
approval.  Successful  completion  of  our  nonclinical  and  clinical  trials  is  a  prerequisite  to  submitting  an  NDA  and,  consequently,  the  ultimate  approval  required  before
commercial marketing of any product candidate we may develop. We do not know whether any of our future-planned nonclinical and clinical trials of PH94B, PH10, AV-101
or any other product candidate will be completed on schedule, if at all, as the commencement and completion of nonclinical and clinical trials can be delayed or prevented for a
number of reasons, including, among others:

● delays due to events resulting from the ongoing COVID-19 pandemic;

● the regulatory authority may deny permission to proceed with planned clinical trials or any other clinical trials we may initiate, or may place a planned or ongoing clinical

trial on hold;

● delays in filing or receiving approvals from regulatory authorities of additional INDs that may be required;

● negative or ambiguous results from nonclinical or clinical studies;

● delays in reaching or failing to reach agreement on acceptable terms with prospective CROs, investigators and clinical trial sites, the terms of which can be subject to

extensive negotiation and may vary significantly among different CROs, investigators and clinical trial sites;

● delays in the manufacturing of, or insufficient supply of product candidates necessary to conduct nonclinical or clinical trials, including delays in the manufacturing of

sufficient supply of drug substance or finished drug product;

● inability to manufacture or obtain clinical supplies of a product candidate meeting required quality standards;

● difficulties obtaining Institutional Review Board (IRB) approval to conduct a clinical trial at a prospective clinical site or sites; 

● challenges in recruiting and enrolling patients to participate in clinical trials, including the proximity of patients to clinical trial sites;

● eligibility criteria for a clinical trial, the nature of a clinical trial protocol, the availability of approved effective treatments for the relevant disease and competition from

other clinical trial programs for similar indications;

● severe or unexpected adverse drug-related side effects experienced by patients in a clinical trial;

● delays in validating any endpoints utilized in a clinical trial;

● the  regulatory  authority  may  disagree  with  our  clinical  trial  design  and  our  interpretation  of  data  from  prior  nonclinical  studies  or  clinical  trials,  or  may  change  the

requirements for approval even after it has reviewed and commented on the design for our clinical trials;

● reports from nonclinical or clinical testing of other CNS indications or therapies that raise safety or efficacy concerns; and

● difficulties retaining patients who have enrolled in a clinical trial but may be prone to withdraw due to rigors of the clinical trial, lack of efficacy, side effects, personal

issues or loss of interest.

Clinical  trials  may  also  be  delayed  or  terminated  prior  to  completion  as  a  result  of  ambiguous  or  negative  interim  results.  In  addition,  a  clinical  trial  may  be  suspended  or
terminated  by  us,  the  regulatory  authority,  the  IRBs  at  the  sites  where  the  IRBs  are  overseeing  a  clinical  trial,  a  data  and  safety  monitoring  board  (DSMB),  overseeing  the
clinical trial at issue or other regulatory authorities due to a number of factors, including, among others:

● failure to conduct the clinical trial in accordance with regulatory requirements or approved clinical protocols;

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● inspection  of  the  clinical  trial  operations  or  trial  sites  by  the  regulatory  authority  that  reveals  deficiencies  or  violations  that  require  us  to  undertake  corrective  action,

including the imposition of a clinical hold;

● unforeseen safety issues, including any that could be identified in nonclinical carcinogenicity studies, adverse side effects or lack of effectiveness;

● changes in government regulations or administrative actions;

● problems with clinical supply materials that may lead to regulatory actions; and 

● lack of adequate funding to continue nonclinical or clinical studies.

Changes  in  regulatory  requirements,  regulatory  guidance  or  unanticipated  events  during  our  nonclinical  studies  and  clinical  trials  of  PH94B,  PH10,  AV-101  or  other
product  candidates  may  occur,  which  may  result  in  changes  to  nonclinical  studies  and  clinical  trial  protocols  or  additional  nonclinical  studies  and  clinical  trial
requirements, which could result in increased costs to us and could delay our development timeline.

Changes in regulatory requirements, guidance or unanticipated events during our nonclinical studies and clinical trials of PH94B, PH10, AV-101 or other product candidates
may  force  us  to  amend  nonclinical  studies  and  clinical  trial  protocols  or  the  regulatory  authority  may  impose  additional  nonclinical  studies  and  clinical  trial  requirements.
Amendments or changes to our clinical trial protocols would require resubmission to the regulatory authority and IRBs for review and approval, which may adversely impact
the cost, timing or successful completion of clinical trials. Similarly, amendments to our nonclinical studies may adversely impact the cost, timing, or successful completion of
those nonclinical studies. If we experience delays completing, or if we terminate, any of our nonclinical studies or clinical trials, or if we are required to conduct additional
nonclinical  studies  or  clinical  trials,  the  commercial  prospects  for  PH94B,  PH10, AV-101  or  other  product  candidates  may  be  harmed  and  our  ability  to  generate  product
revenue will be delayed.

We rely, and expect that we will continue to rely, on third parties to conduct our nonclinical and clinical trials of our current product candidates and will continue to do so
for  any  other  future  product  candidates.  If  these  third  parties  do  not  successfully  carry  out  their  contractual  duties  and/or  meet  expected  deadlines,  completion  of  our
nonclinical or clinical trials and development of PH94B, PH10, AV-101 or other future product candidates may be delayed and we may not be able to obtain regulatory
approval for or commercialize PH94B, PH10, AV-101 or other future product candidates and our business could be substantially harmed.

By strategic design, we do not have the extensive internal staff resources to independently conduct nonclinical and clinical trials of our product candidates completely on our
own. We rely on our network of strategic relationships with various academic research centers, medical institutions, nonclinical and clinical investigators, contract laboratories,
CROs and other third parties to assist us to conduct and complete nonclinical and clinical trials of our product candidates. We enter into agreements with third-party CROs to
provide monitors for and to manage data for our clinical trials, as well as provide other services necessary to prepare for, conduct and complete clinical trials. We rely heavily on
these and other third-parties for execution of nonclinical and clinical trials for our product candidates and we control only certain aspects of their activities. As a result, we have
less direct control over the conduct, timing and completion of these nonclinical and clinical trials and the management of data developed through nonclinical and clinical trials
than would be the case if we were relying entirely upon our own internal staff resources. Communicating with outside parties can also be challenging, potentially leading to
mistakes as well as difficulties in coordinating activities. CROs and other outside parties may:

● experience disrutions to their operations, such as reduced staffing and supply chain disruptions, as a result of the ongoing COVID-19 pandemic;

● have staffing difficulties and/or undertake obligations beyond their anticipated capabilities and resources;

● fail to comply with contractual obligations;

● experience regulatory compliance issues;

● undergo changes in priorities or become financially distressed; or

● form relationships with other entities, some of which may be our competitors.

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These  factors  may  materially  adversely  affect  the  willingness  or  ability  of  third  parties  to  conduct  our  nonclinical  and  clinical  trials  and  may  subject  us  to  unexpected  cost
increases  that  are  beyond  our  control.  Nevertheless,  we  are  responsible  for  ensuring  that  each  of  our  nonclinical  studies  and  clinical  trials  is  conducted  and  completed  in
accordance with the applicable protocol, legal, regulatory and scientific requirements and standards, and our reliance on CROs, or independent investigators does not relieve us
of our regulatory responsibilities. We and our CROs, and any investigator in an investigator-sponsored study are required to comply with regulations and guidelines, including
current  Good  Clinical  Practice  regulations  (cGCPs)  for  conducting,  monitoring,  recording  and  reporting  the  results  of  clinical  trials  to  ensure  that  the  data  and  results  are
scientifically credible and accurate, and that the trial patients are adequately informed of the potential risks of participating in clinical trials. These regulations are enforced by
the  FDA,  the  Competent  Authorities  of  the  Member  States  of  the  European  Economic  Area  and  comparable  foreign  regulatory  authorities  for  any  products  in  clinical
development. The FDA enforces cGCP regulations through periodic inspections of clinical trial sponsors, principal investigators and trial sites. If we, any of our CROs or any of
our third-party collaborators fail to comply with applicable cGCPs, the clinical data generated in clinical trials involving our product candidates may be deemed unreliable and
the FDA or comparable foreign regulatory authorities may require us to perform additional clinical trials before approving our marketing applications. We cannot assure you
that,  upon  inspection,  the  FDA  will  determine  that  any  of  our  clinical  trials  comply  with  cGCPs.  In  addition,  our  clinical  trials  must  be  conducted  with  product  candidates
produced under cGMPs and will require a large number of test patients. Our failure or the failure of our CROs or other third-party collaborators to comply with these regulations
may require us to repeat clinical trials, which would delay the regulatory approval process and could also subject us to enforcement action up to and including civil and criminal
penalties.

Although  we  design  our  clinical  trials  for  our  product  candidates,  our  clinical  development  strategy  involves  having  CROs  and  other  third-party  investigators  and  medical
institutions conduct clinical trials of our product candidates. As a result, many important aspects of our drug development programs are outside of our direct control. In addition,
although CROs, or independent investigators or medical institutions, as the case may be, may not perform all of their obligations under arrangements with us or in compliance
with  applicable  regulatory  requirements,  under  certain  circumstances,  we  may  be  responsible  and  subject  to  enforcement  action  that  may  include  civil  penalties  up  to  and
including criminal prosecution for any violations of FDA laws and regulations during the conduct of clinical trials of our product candidates. If such third parties do not perform
clinical trials of our product candidates in a satisfactory manner, breach their obligations to us or fail to comply with applicable regulatory requirements, the development and
commercialization of our product candidates may be delayed or our development program materially and irreversibly harmed. In certain cases, including the Baylor Study and
other investigator-sponsored clinical studies, we cannot control the amount and timing of resources these third-parties devote to clinical trials involving our product candidates.
If we are unable to rely on nonclinical and clinical data collected by our third-party collaborators, we could be required to repeat, extend the duration of, or increase the size of
our clinical trials and this could significantly delay commercialization and require significantly greater expenditures.

If our relationships with one or more of our third-party collaborators terminates, we may not be able to enter into arrangements with alternative third-party collaborators.  If
such third-party collaborators, including our CROs, do not successfully carry out their contractual duties or obligations or meet expected deadlines, if they need to be replaced
or if the quality or accuracy of the clinical data they obtain is compromised due to their failure to adhere to applicable clinical protocols, regulatory requirements or for other
reasons,  any  clinical  trials  that  such  third-parties  are  associated  with  may  be  extended,  delayed  or  terminated,  and  we  may  not  be  able  to  obtain  regulatory  approval  for  or
successfully develop and commercialize our product candidates. As a result, we believe that our financial results and the commercial prospects for our product candidates in the
subject indication would be harmed, our costs would increase and our ability to generate revenue would be delayed.

We rely completely on third-parties to manufacture, formulate, hold and distribute supplies of our product candidates for all nonclinical and clinical studies, and we intend
to continue to rely on third parties to produce all nonclinical, clinical and commercial supplies of our product candidates in the future.

By strategic design, we do not currently have, nor do we plan to acquire or develop, extensive internal infrastructure or technical capabilities to manufacture, formulate, hold or
distribute supplies of our product candidates, for use in nonclinical and clinical studies or commercial scale.  As a result, with respect to all of our product candidates, we rely,
and will continue to rely, completely on CMOs to manufacture API and formulate, hold and distribute final drug product. The facilities  used  by  our  CMOs  to  manufacture
PH94B, PH10 and AV-101 API and PH94B, PH10 and AV-101 final drug product are subject to a pre-approval inspection by the FDA and other comparable foreign regulatory
agencies to assess compliance with applicable regulatory guidelines and requirements, including cGMPs, and may be required to undergo similar inspections by the FDA or
other comparable foreign regulatory agencies, after we submit INDs, NDAs or relevant foreign regulatory submission equivalent to the applicable regulatory agency.

We  do  not  directly  control  the  manufacturing  process  or  the  supply  or  quality  of  materials  used  in  the  manufacturing  and  formulation  of  our  product  candidates,  and,  with
respect to all of our product candidates, we are completely dependent on our CMOs to comply with all applicable cGMPs for the manufacturing of both API and finished drug
product. If our CMOs cannot secure adequate supplies of suitable raw materials or successfully manufacture our product candidates, including PH94B, PH10 and AV-101 API
and  finished  drug  product,  that  conforms  to  our  specifications  and  the  strict  regulatory  requirements  of  the  FDA  or  applicable  foreign  regulatory  agencies,  production  of
sufficient supplies of our product candidates, including PH94B, PH10 and AV-101 API and finished drug product, may be delayed and our CMOs may not be able to secure
and/or maintain regulatory approval for their manufacturing facilities, or the FDA may take other actions, including the imposition of a clinical hold. In addition, we have no
direct control over our CMOs’ ability to maintain adequate quality control, quality assurance and qualified personnel. All of our CMOs are engaged with other companies to
supply and/or manufacture materials or products for such other companies, which exposes our CMOs to regulatory risks for the production of such materials and products. As a
result, failure to satisfy the regulatory requirements for the production of those materials and products may affect the regulatory clearance of our CMO’s facilities generally or
affect the timing of manufacture of PH94B, PH10 and AV-101 for required or planned nonclinical and/or clinical studies. If the FDA or an applicable foreign regulatory agency
determines now or in the future that our CMOs’ facilities are noncompliant, we may need to find alternative manufacturing facilities, which would adversely impact our ability
to develop, obtain regulatory approval for or market our product candidates. Our reliance on CMOs also exposes us to the possibility that they, or third parties with access to
their facilities, will have access to and may appropriate our trade secrets or other proprietary information.

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With respect to PH94B, PH10 and AV-101, we do not yet have long-term supply agreements in place with our CMOs and each batch of PH94B, PH10 and AV-101 is or will be
individually contracted under a separate supply agreement. If we engage new CMOs, such contractors must complete an inspection by the FDA and other applicable foreign
regulatory  agencies.  We  plan  to  continue  to  rely  upon  CMOs  and,  potentially,  collaboration  partners,  to  manufacture  research  and  development  scale,  and,  if  approved,
commercial quantities of our product candidates. Although we believe our current scale of API manufacturing for AV-101, and our contemplated scale of API manufacturing for
PH94B and PH10, and the current and projected supply of PH94B, PH10 and AV-101 API and finished drug product will be adequate to support our planned nonclinical and
clinical studies of PH94B, PH10 and AV-101, no assurance can be given that unanticipated supply shortages or CMO-related delays in the manufacture and formulation of
PH94B, PH10 or AV-101 API and/or finished drug product will not occur in the future.

Additionally,  we  anticipate  that  PH94B  and  PH10  will  be  considered  drug-device  combination  products.  Third-party  manufacturers  may  not  be  able  to  comply  with  cGMP
requirements  applicable  to  drug/device  combination  products,  including  applicable  provisions  of  the  FDA’s  or  a  comparable  foreign  regulatory  authority’s  drug  cGMP
regulations, device cGMP requirements embodied in the Quality System Regulation (QSR) or similar regulatory requirements outside the U.S. Our failure, or the failure of our
third-party  manufacturers,  to  comply  with  applicable  regulations  could  result  in  sanctions  being  imposed  on  us,  including  clinical  holds,  fines,  injunctions,  civil  penalties,
delays, suspension or withdrawal of approvals, license revocation, seizures or recalls of product candidates, operating restrictions and criminal prosecutions, any of which could
significantly affect supplies of our product candidates. The facilities used by our CMOs to manufacture our product candidates must be approved by the FDA anf comparable
foreign  regulatory  authorities  pursuant  to  inspections  that  will  or  may  be  conducted  after  we  submit  our  NDA.  We  do  not  control  the  manufacturing  process  of,  and  are
completely dependent on, our CMO partners for compliance with cGMPs and QSRs. If our CMOs cannot successfully manufacture material that conforms to our specifications
and the strict regulatory requirements of the FDA or other comparable foreign regulatory authorities, they will not be able to secure and/or maintain regulatory approval for their
manufacturing facilities. In addition, we have no control over the ability of our contract manufacturers to maintain adequate quality control, quality assurance and qualified
personnel. If the FDA or a comparable foreign regulatory authority does not approve these facilities for the manufacture of our product candidates or if it withdraws any such
approval  in  the  future,  we  may  need  to  find  alternative  manufacturing  facilities,  which  would  significantly  impact  our  ability  to  develop,  obtain  regulatory  approval  for  or
market our product candidates, if approved. CMOs may face manufacturing or quality control problems causing drug substance production and shipment delays or a situation
where the contractor may not be able to maintain compliance with the applicable cGMP and QSR requirements. Any failure to comply with cGMP or QSR requirements or
other FDA, EMA and comparable foreign regulatory requirements could adversely affect our clinical research activities and our ability to develop our product candidates and
market our products following approval.

Even if we receive marketing approval for PH94B, PH10, AV-101 or any other product candidate in the U.S., we may never receive regulatory approval to market PH94B,
PH10, AV-101 or any other product candidate outside of the U.S.

In order to market PH94B, PH10, AV-101 or any other product candidate outside of the U.S., we must establish and comply with the numerous and varying safety, efficacy and
other regulatory requirements of other countries. Approval procedures vary among countries and can involve additional product candidate testing and additional administrative
review periods. The time required to obtain approvals in other countries might differ from that required to obtain FDA approval. The marketing approval processes in other
countries may implicate all of the risks detailed above regarding FDA approval in the U.S. as well as other risks. In particular, in many countries outside of the U.S., products
must receive pricing and reimbursement approval before the product can be commercialized. Obtaining this approval can result in substantial delays in bringing products to
market  in  such  countries.  Marketing  approval  in  one  country  does  not  ensure  marketing  approval  in  another,  but  a  failure  or  delay  in  obtaining  marketing  approval  in  one
country may have a negative effect on the regulatory process in others. Failure to obtain marketing approval in other countries or any delay or other setback in obtaining such
approval would impair our ability to market our product candidates in such foreign markets. Any such impairment would reduce the size of our potential market, which could
have a material adverse impact on our business, results of operations and prospects.

If any of our product candidates are ultimately regulated as controlled substances, we, our CMOs, as well as future distributors, prescribers, and dispensers will be required
to  comply  with  additional  regulatory  requirements  which  could  delay  the  marketing  of  our  product  candidates,  and  increase  the  cost  and  burden  of  manufacturing,
distributing, dispensing, and prescribing our product candidates.

Before we can commercialize our product candidates in the U.S. or any market outside the U.S., the U.S. Drug Enforcement Administration (DEA) or its foreign counterpart
may need to determine whether such product candidates will be considered to be a controlled substance, taking into account the recommendation of the FDA or its foreign
counterpart, as the case may be. This may be a lengthy process that could delay our marketing of a product candidate and could potentially diminish any regulatory exclusivity
periods for which we may be eligible, which would increase the cost associated with commercializing such products and, in turn, may have an adverse impact on our results of
operations. Although  we  currently  do  not  know  whether  the  DEA  or  any  foreign  counterpart  will  consider  any  of  our  current  or  future  product  candidate  to  be  controlled
substances, we cannot yet give any assurance that such product candidates, including PH94B, PH10 and AV-101 will not be regulated as controlled substances.

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If any of our product candidates are regulated as controlled substances, depending on the DEA controlled substance schedule in which the product candidates are placed or that
of its foreign counterpart, we, our CMOs, and any future distributers, prescribers, and dispensers of the scheduled product candidates may be subject to significant regulatory
requirements, such as registration, security, recordkeeping, reporting, storage, distribution, importation, exportation, inventory, quota and other requirements administered by
the DEA or a foreign counterpart of the DEA as the case may be. Moreover, if any of our product candidates are regulated as controlled substances, we and our CMOs would
be subject to initial and periodic DEA inspection. If we or our CMOs are not able to obtain or maintain any necessary DEA registrations or comparable foreign registrations, we
may not be able to commercialize any product candidates that are deemed to be controlled substances or we may need to find alternative CMOs, which would take time and
cause us to incur additional costs, delaying or limit our commercialization efforts.

Because of their restrictive nature, these laws and regulations could limit commercialization of our product candidates, should they be deemed to contain controlled substances.
Failure  to  comply  with  the  applicable  controlled  substance  laws  and  regulations  can  also  result  in  administrative,  civil  or  criminal  enforcement.  The  DEA  or  its  foreign
counterparts  may  seek  civil  penalties,  refuse  to  renew  necessary  registrations,  or  initiate  administrative  proceedings  to  revoke  those  registrations.  In  some  circumstances,
violations could result in criminal proceedings or consent decrees. Individual states also independently regulate controlled substances.

If we are unable to establish sales and marketing capabilities or enter into agreements with third parties to market and sell our product candidates, we may not be able to
generate any revenue.

We do not currently have any internal resources for the sale, marketing and distribution of pharmaceutical products, and we may not create such internal capabilities in the
foreseeable future. Therefore, to market our product candidates, if approved by the FDA or any other regulatory body, we must make contractual arrangements with third parties
to perform services related to sales, marketing, managerial and other non-technical capabilities relating to the commercialization of our product candidates, or establish those
capabilities prior to market approval. If we are unable to establish adequate contractual arrangements for such sales, marketing and distribution capabilities, or if we are unable
to do so on commercially reasonable terms, or if we are unable to establish such capabilities on our own, our business, results of operations, financial condition and prospects
will be materially adversely affected.

Even if we receive marketing approval for our product candidates, our product candidates may not achieve broad market acceptance, which would limit the revenue that
we generate from their sales.

The commercial success of our product candidates, if approved by the FDA or other applicable regulatory authorities, will depend upon the awareness and acceptance of our
product candidates among the medical community, including physicians, patients and healthcare payors. Market acceptance of our product candidates, if approved, will depend
on a number of factors, including, among others:

● the efficacy and safety of our product candidates as demonstrated in clinical trials, and, if required by any applicable regulatory authority in connection with the approval

for the applicable indications, to provide patients with incremental health benefits, as compared with other available therapies;

● limitations or warnings contained in the labeling approved for our product candidates by the FDA or other applicable regulatory authorities;

● the clinical indications for which our product candidates are approved;

● availability of alternative treatments already approved or expected to be commercially launched in the near future;

● the potential and perceived advantages of our product candidates over current treatment options or alternative treatments, including future alternative treatments;

● the willingness of the target patient population to try new therapies and of physicians to prescribe these therapies;

● the strength of marketing and distribution support and timing of market introduction of competitive products;

● publicity concerning our products or competing products and treatments;

● pricing and cost effectiveness;

● the effectiveness of our sales and marketing strategies;

● our ability to increase awareness of our product candidates through marketing efforts;

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● our ability to obtain sufficient third-party coverage or reimbursement; or

● the willingness of patients to pay out-of-pocket in the absence of third-party coverage.

If our product candidates are approved but do not achieve an adequate level of acceptance by patients, physicians and payors, we may not generate sufficient revenue from our
product candidates to become or remain profitable. Before granting reimbursement approval, healthcare payors may require us to demonstrate that our product candidates, in
addition to treating these target indications, also provide incremental health benefits to patients. Our efforts to educate the medical community and third-party payors about the
benefits of our product candidates may require significant resources and may never be successful.

Our product candidates may cause undesirable safety concerns and side effects that could delay or prevent their regulatory approval, limit the commercial profile of an
approved label, or result in significant negative consequences following marketing approval, if any.

Undesirable safety concerns and side effects caused by our product candidates could cause us or regulatory authorities to interrupt, delay or halt nonclinical studies and clinical
trials and could result in a more restrictive label or the delay or denial of regulatory approval by the FDA or other regulatory authorities.

Further, clinical trials by their nature utilize a sample of potential patient populations. With a limited number of patients and limited duration of exposure, rare and severe side
effects  of  our  product  candidates  may  only  be  uncovered  with  a  significantly  larger  number  of  patients  exposed  to  the  product  candidate.  If  our  product  candidates  receive
marketing approval and we or others identify undesirable safety concerns or side effects caused by such product candidates (or any other similar products) after such approval, a
number of potentially significant negative consequences could result, including:

● regulatory authorities may withdraw or limit their approval of such product candidates;

● regulatory authorities may require the addition of labeling statements, such as a “black box” warning or a contraindication;

● we may be  required  to  change  the  way  such  product  candidates  are  distributed  or  administered,  conduct  additional  clinical  trials  or  change  the  labeling  of  the  product

candidates;

● we may be subject to regulatory investigations and government enforcement actions;

● we may decide to remove such product candidates from the marketplace;

● we could be sued and held liable for injury caused to individuals exposed to or taking our product candidates; and

● our reputation may suffer.

We believe that any of these events could prevent us from achieving or maintaining market acceptance of the affected product candidates and would substantially increase the
costs of commercializing our product candidates and significantly impact our ability to successfully commercialize our product candidates and generate revenues.

Even if we receive marketing approval for our product candidates, we may still face future development and regulatory difficulties.

Even if we receive marketing approval for our product candidates, regulatory authorities may still impose significant restrictions on our product candidates, indicated uses or
marketing  or  impose  ongoing  requirements  for  potentially  costly  post-approval  studies.  Our  product  candidates  will  also  be  subject  to  ongoing  regulatory  requirements
governing the labeling, packaging, storage and promotion of the product and record keeping and submission of safety and other post-market information. The FDA and other
regulatory authorities have significant post-marketing authority, including, for example, the authority to require labeling changes based on new safety information and to require
post-marketing studies or clinical trials to evaluate serious safety risks related to the use of a drug. The FDA and other regulatory authorities also have the authority to require, as
part of an NDA or post-approval, the submission of a REMS or comparable safety program. Any REMS or comparable safety program required by the FDA or other regulatory
authority may lead to increased costs to assure compliance with new post-approval regulatory requirements and potential requirements or restrictions on the sale of approved
products, all of which could lead to lower sales volume and revenue.

Manufacturers  of  drug  and  device  products  and  their  facilities  are  subject  to  continual  review  and  periodic  inspections  by  the  FDA  and  other  regulatory  authorities  for
compliance with cGMPs and other regulations. If we or a regulatory agency discover problems with our product candidates, such as adverse events of unanticipated severity or
frequency,  or  problems  with  the  facility  where  our  product  candidates  are  manufactured,  a  regulatory  agency  may  impose  restrictions  on  our  product  candidates,  the
manufacturer  or  us,  including  requiring  withdrawal  of  our  product  candidates  from  the  market  or  suspension  of  manufacturing.  If  we,  our  product  candidates,  or  the
manufacturing facilities for our product candidates fail to comply with applicable regulatory requirements, a regulatory agency may, among other things:

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● issue warning letters or untitled letters;

● seek an injunction or impose civil or criminal penalties or monetary fines;

● suspend or withdraw marketing approval;

● suspend any ongoing clinical trials;

● refuse to approve pending applications or supplements to applications submitted by us;

● suspend or impose restrictions on operations, including costly new manufacturing requirements; or

● seize or detain products, refuse to permit the import or export of products, or require that we initiate a product recall.

Competing therapies could emerge adversely affecting our opportunity to generate revenue from the sale of our product candidates.

The  pharmaceutical  industry  is  highly  competitive.  There  are  many  public  and  private  pharmaceutical  companies,  universities,  governmental  agencies  and  other  research
organizations  actively  engaged  in  the  research  and  development  of  product  candidates  that  may  be  similar  to  and  compete  with  our  product  candidates  or  address  similar
markets. It is probable that the number of companies seeking to develop product candidates similar to and competitive with our product candidates will increase.

Currently, management is unaware of any FDA-approved oral adjunctive therapy for MDD patients with an inadequate response to standard antidepressants having the same
mechanism of pharmacological action and safety profile as our orally-administered AV-101 or our intranasally-administered PH10. However, new antidepressant products with
other  mechanisms  of  pharmacological  action  or  products  approved  for  other  indications,  including  the  FDA-approved  anesthetic  ketamine  hydrochloride  administered
intravenously,  are  being  or  may  be  used  off-label  for  treatment  of  MDD,  as  well  as  other  CNS  indications  for  which AV-101  or  PH10  may  have  therapeutic  potential.
Additionally,  other  non-pharmaceutical  treatment  options,  such  psychotherapy  and  electroconvulsive  therapy  (ECT)  are  used  before  or  instead  of  standard  antidepressant
medications  to  treat  patients  with  MDD.  Management  is  also  unaware  of  any  FDA-approved  rapid-onset,  on-demand  treatment  for  SAD  having  the  same  mechanism  of
pharmacological action and safety profile as our PH94B.

In the field of new generation, oral adjunctive treatments for adult patients with MDD with an inadequate response to standard FDA-approved ADs, we believe our principal
competitors may be Axsome’s AX-05, Alkermes’ ALKS-5461, Allergan’s AGN-241751 and Sage’s Sage-217. Additional potential competitors may include, but not be limited
to, academic and private commercial clinics providing intravenous ketamine therapy on an off-label basis and Janssen’s intranasally-administered Spravato (esketamine). With
respect to PH94B and current FDA-approved treatment options for SAD in the U.S., our competition may include, but is not limited to, certain current generic ADs approved
by the FDA for treatment of SAD and certain classes of drugs used on an off-label basis for treatment of SAD, including benzodiazepines such as alprazolam, and beta blockers
such as propranolol.

Many of our potential competitors, alone or with their strategic partners, have substantially greater financial, technical and human resources than we do and significantly greater
experience  in  the  discovery,  and  development  of  product  candidates,  obtaining  FDA  and  other  regulatory  approvals  of  treatments  and  the  commercialization  of  those
treatments.    With  respect  to AV-101  and  PH10,  we  believe  that  a  range  of  pharmaceutical  and  biotechnology  companies  have  programs  to  develop  drug  candidates  for  the
treatment  of  depression,  including  MDD,  Parkinson’s  disease  levodopa-induced  dyskinesia,  neuropathic  pain,  epilepsy,  and  other  neurological  conditions  and  diseases,
including, but not limited to, Abbott Laboratories, Acadia, Allergan, Alkermes, Aptynix, AstraZeneca, Axsome, Eli Lilly, GlaxoSmithKline, IntraCellular, Janssen, Lundbeck,
Merck, Novartis, Ono, Otsuka, Pfizer, Relmada, Roche, Sage, Sumitomo Dainippon, and Takeda, as well as any affiliates of the foregoing companies.  With respect to PH94B,
in  addition  to  potential  competition  from  certain  current  FDA-approved  antidepressants  and  off-label  use  of  benzodiazepines  and  beta  blockers,  we  believe  additional  drug
candidates  in  development  for  SAD  may  include,  but  potentially  not  be  limited  to,  an  oral  fatty  acid  amide  hydrolase  inhibitor  in  development  by  Janssen.  Mergers  and
acquisitions  in  the  biotechnology  and  pharmaceutical  industries  may  result  in  even  more  resources  being  concentrated  among  a  smaller  number  of  our  competitors.  Our
commercial opportunity could be reduced or eliminated if our competitors develop and commercialize products that are safer, more effective, have fewer or less severe side
effects, are more convenient or are less expensive than any products that we may develop. Our competitors also may obtain FDA or other regulatory approval for their products
more rapidly than we may obtain approval for ours, which could result in our competitors establishing a strong market position before we are able to enter the market.

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We  may  seek  to  establish  collaborations,  and,  if  we  are  not  able  to  establish  them  on  commercially  reasonable  terms,  we  may  have  to  alter  our  development  and
commercialization plans.

Our  drug  development  programs  and  the  potential  commercialization  of  our  product  candidates  will  require  substantial  additional  cash  to  fund  expenses.  For  some  of  our
product  candidates,  we  may  decide  to  collaborate  with  pharmaceutical  and  biotechnology  companies  for  the  development  and  potential  commercialization  of  those  product
candidates, such as the License and Collaboration Agreement we entered into with EverInsight Therapeutics, Inc. in June 2020 for the development and commercialization of
PH94B in certain international markets.

We may derive revenue from research and development fees, license fees, milestone payments and royalties under any collaborative arrangement into which we enter, including
the EverInsight Agreement and/or the Bayer Agreement. Our ability to generate revenue from these arrangements will depend on our collaborators’ abilities to successfully
perform  the  functions  assigned  to  them  in  these  arrangements.  In  addition,  our  collaborators  may  have  the  right  to  abandon  research  or  development  projects  and  terminate
applicable agreements, including funding obligations, prior to or upon the expiration of the agreed upon terms. As a result, we can expect to relinquish some or all of the control
over the future success of a product candidate that we license to a third party.

We face significant competition in seeking appropriate collaborators. Whether we reach a definitive  agreement  for  collaboration  will  depend,  among  other  things,  upon  our
assessment  of  the  collaborator’s  resources  and  expertise,  the  terms  and  conditions  of  the  proposed  collaboration  and  the  proposed  collaborator’s  evaluation  of  a  number  of
factors. Those factors may include the design or results of nonclinical and clinical trials, the likelihood of approval by the FDA or similar regulatory authorities outside the
United  States,  the  potential  markets  for  the  subject  product  candidate,  the  costs  and  complexities  of  manufacturing  and  delivering  such  product  candidate  to  patients,  the
potential of competing products, the existence of uncertainty with respect to our ownership of technology, which can exist if there is a challenge to such ownership without
regard to the merits of the challenge and industry and market conditions generally. The collaborator may also consider alternative product candidates or technologies for similar
indications that may be available to collaborate on and whether such collaboration could be more attractive than the one with us for our product candidate. The terms of any
collaboration or other arrangements that we may establish may not be favorable to us.

We  may  also  be  restricted  under  existing  collaboration  agreements  from  entering  into  future  agreements  on  certain  terms  with  potential  collaborators.  Collaborations  are
complex  and  time-consuming  to  negotiate  and  document.  In  addition,  there  have  been  a  significant  number  of  recent  business  combinations  among  large  pharmaceutical
companies that have resulted in a reduced number of potential future collaborators.

We may not be able to negotiate collaborations on a timely basis, on acceptable terms, or at all. If we are unable to do so, we may have to curtail the development of the product
candidate  for  which  we  are  seeking  to  collaborate,  reduce  or  delay  its  development  program  or  one  or  more  of  our  other  development  programs,  delay  its  potential
commercialization or reduce the scope of any sales or marketing activities, or increase our expenditures and undertake development or commercialization activities at our own
expense. If we elect to increase our expenditures to fund development or commercialization activities on our own, we may need to obtain additional capital, which may not be
available to us on acceptable terms or at all. If we do not have sufficient funds, we may not be able to further develop our product candidates or bring them to market and
generate product revenue.

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

We  may  not  be  successful  in  our  efforts  to  identify  or  discover  additional  product  candidates,  or  we  may  expend  our  limited  resources  to  pursue  a  particular  product
candidate or indication and fail to capitalize on product candidates or indications that may be more profitable or for which there is a greater likelihood of success.

The success of our business depends primarily upon our ability to identify, develop and commercialize product candidates with commercial and therapeutic potential. We may
fail to pursue additional development opportunities for PH94B, PH10 or AV-101, or identify additional product candidates for clinical development for a number of reasons. Our
research  methodology  may  be  unsuccessful  in  identifying  new  product  candidates  or  our  product  candidates  may  be  shown  to  have  harmful  side  effects  or  may  have  other
characteristics that may make the products unmarketable or unlikely to receive marketing approval.

Because  we  currently  have  limited  financial  and  management  resources,  we  necessarily  focus  on  a  limited  number  of  research  and  development  programs  and  product
candidates and are currently focused primarily on development of PH94B, PH10 and AV-101, with additional limited focus on NCE drug rescue and, through a third-party
collaboration, regenerative medicine. As a result, we may forego or delay pursuit of opportunities with other product candidates or for other potential CNS-related indications
for PH94B, PH10 and/or AV-101 that later prove to have greater commercial potential. Our resource allocation decisions may cause us to fail to capitalize on viable commercial
drugs or profitable market opportunities. Our spending on current and future research and development programs and product candidates for specific indications may not yield
any commercially viable drugs. If we do not accurately evaluate the commercial potential or target market for a particular product candidate, we may relinquish valuable rights
to that product candidate through future collaboration, licensing or other royalty arrangements in cases in which it would have been more advantageous for us to retain sole
development and commercialization rights to such product candidate.

If any of these events occur, we may be forced to abandon our development efforts for a program or programs, which would have a material adverse effect on our business and
could potentially cause us to cease operations. Research and development programs to identify and advance new product candidates require substantial technical, financial and
human resources. We may focus our efforts and resources on potential programs or product candidates that ultimately prove to be unsuccessful.

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We are subject to healthcare laws and regulations, which could expose us to criminal sanctions, civil penalties, contractual damages, reputational harm and diminished
profits and future earnings.

Although we do not currently have any products on the market, once we begin commercializing our product candidates, we may be subject to additional healthcare statutory and
regulatory requirements and enforcement by the federal government and the states and foreign governments in which we conduct our business. Healthcare providers, physicians
and others will play a primary role in the recommendation and prescription of our product candidates, if approved. Our future arrangements with third-party payors will expose
us to broadly applicable fraud and abuse and other healthcare laws and regulations that may constrain the business or financial arrangements and relationships through which
we market, sell and distribute our product candidates, if we obtain marketing approval. Restrictions under applicable federal and state healthcare laws and regulations include
the following:

● The federal anti-kickback statute prohibits, among other things, persons from knowingly and willfully soliciting, offering, receiving or providing remuneration, directly or
indirectly, in cash or in kind, to induce or reward either the referral of an individual for, or the purchase, order or recommendation of, any good or service, for which
payment may be made under federal healthcare programs such as Medicare and Medicaid.

● The  federal  False  Claims  Act  imposes  criminal  and  civil  penalties,  including  those  from  civil  whistleblower  or  qui  tam  actions,  against  individuals  or  entities  for
knowingly presenting, or causing to be presented, to the federal government, claims for payment that are false or fraudulent or making a false statement to avoid, decrease,
or conceal an obligation to pay money to the federal government.

● The  federal  Health  Insurance  Portability  and Accountability Act  of  1996,  as  amended  by  the  Health  Information  Technology  for  Economic  and  Clinical  Health Act,
imposes criminal and civil liability for executing a scheme to defraud any healthcare benefit program and also imposes obligations, including mandatory contractual terms,
with respect to safeguarding the privacy, security and transmission of individually identifiable health information.

● The federal false statements statute prohibits knowingly and willfully falsifying, concealing or covering up a material fact or making any materially false statement in

connection with the delivery of or payment for healthcare benefits, items or services.

● The federal transparency requirements, sometimes referred to as the “Sunshine Act,” under the Patient Protection and Affordable Care Act, require manufacturers of drugs,
devices, biologics and medical supplies that are reimbursable under Medicare, Medicaid, or the Children’s Health Insurance Program to report to the Department of Health
and Human Services information related to physician payments and other transfers of value and physician ownership and investment interests.

● Analogous state laws and regulations, such as state anti-kickback and false claims laws and transparency laws, may apply to sales or marketing arrangements and claims
involving  healthcare  items  or  services  reimbursed  by  non-governmental  third-party  payors,  including  private  insurers,  and  some  state  laws  require  pharmaceutical
companies to comply with the pharmaceutical industry’s voluntary compliance guidelines and the relevant compliance.

● Guidance promulgated by the federal government in addition to requiring drug manufacturers to report information related to payments to physicians and other healthcare

providers or marketing expenditures and drug pricing.

● Foreign Corrupt Practices Act and its application to marketing and selling practices as well as to clinical trials.

Ensuring  that  our  future  business  arrangements  with  third  parties  comply  with  applicable  healthcare  laws  and  regulations  could  be  costly.  It  is  possible  that  governmental
authorities  will  conclude  that  our  business  practices  do  not  comply  with  current  or  future  statutes,  regulations  or  case  law  involving  applicable  fraud  and  abuse  or  other
healthcare laws and regulations. If our operations were found to be in violation of any of these laws or any other governmental regulations that may apply to us, we may be
subject to significant civil, criminal and administrative penalties, damages, fines and exclusion from government funded healthcare programs, such as Medicare and Medicaid,
any  of  which  could  substantially  disrupt  our  operations.  If  any  of  the  physicians  or  other  providers  or  entities  with  whom  we  expect  to  do  business  are  found  to  be  out  of
compliance with applicable laws, they may be subject to criminal, civil or administrative sanctions, including exclusions from government funded healthcare programs.

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

The FDA and other regulatory agencies strictly regulate the promotional claims that may be made about prescription products, such as PH94B, PH10 and AV-101, if approved.
In particular, a product may not be promoted for uses that are not approved by the FDA or such other regulatory agencies as reflected in the product’s approved labeling. For
example, if we receive FDA marketing approval for PH94B as a treatment of SAD, physicians may prescribe PH94B to their patients in a manner that is inconsistent with the
FDA-approved label. However, if we are found to have promoted such off-label uses, we may become subject to significant liability. The federal government has levied large
civil and criminal fines against companies for alleged improper off-label promotion and has enjoined several companies from engaging in off-label promotion. The FDA has
also requested that companies enter into consent decrees or imposed permanent injunctions under which specified promotional conduct is changed or curtailed. If we cannot
successfully  manage  the  promotion  of  our  product  candidates,  if  approved,  we  could  become  subject  to  significant  liability,  which  would  materially  adversely  affect  our
business and financial condition.

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Even if approved, reimbursement policies could limit our ability to sell our product candidates.

Market  acceptance  and  sales  of  our  product  candidates  will  depend  heavily  on  reimbursement  policies  and  may  be  affected  by  healthcare  reform  measures.  Government
authorities and third-party payors, such as private health insurers and health maintenance organizations, decide which medications they will pay for and establish reimbursement
levels for those medications. Cost containment is a primary concern in the United States healthcare industry and elsewhere. Government authorities and these third-party payors
have attempted to control costs by limiting coverage and the amount of reimbursement for particular medications. We cannot be sure that reimbursement will be available for
our product candidates and, if reimbursement is available, the level of such reimbursement. Reimbursement may impact the demand for, or the price of, our product candidates.
If reimbursement is not available or is available only at limited levels, we may not be able to successfully commercialize our product candidates.

In  some  foreign  countries,  particularly  in  Canada  and  European  countries,  the  pricing  of  prescription  pharmaceuticals  is  subject  to  strict  governmental  control.  In  these
countries, pricing negotiations with governmental authorities can take six months or longer after the receipt of regulatory approval and product launch. To obtain favorable
reimbursement  for  the  indications  sought  or  pricing  approval  in  some  countries,  we  may  be  required  to  conduct  a  clinical  trial  that  compares  the  cost-effectiveness  of  our
product candidates with other available therapies. If reimbursement for our product candidates is unavailable in any country in which we seek reimbursement, if it is limited in
scope  or  amount,  if  it  is  conditioned  upon  our  completion  of  additional  clinical  trials,  or  if  pricing  is  set  at  unsatisfactory  levels,  our  operating  results  could  be  materially
adversely affected.

We may seek FDA Orphan Drug designation for one or more of our product candidates. Even if we have obtained FDA Orphan Drug designation for a product candidate,
there may be limits to the regulatory exclusivity afforded by such designation.

We may, in the future, choose to seek FDA Orphan Drug designation for one or more of our current or future product candidates. Even if we obtain Orphan Drug designation
from  the  FDA  for  a  product  candidate,  there  are  limitations  to  the  exclusivity  afforded  by  such  designation.  In  the  U.S.,  the  company  that  first  obtains  FDA  approval  for  a
designated  orphan  drug  for  the  specified  rare  disease  or  condition  receives  orphan  drug  marketing  exclusivity  for  that  drug  for  a  period  of  seven  years.  This  orphan  drug
exclusivity  prevents  the  FDA  from  approving  another  application,  including  a  full  NDA  to  market  the  same  drug  for  the  same  orphan  indication,  except  in  very  limited
circumstances, including when the FDA concludes that the later drug is safer, more effective or makes a major contribution to patient care. For purposes of small molecule
drugs, the FDA defines “same drug” as a drug that contains the same active moiety and is intended for the same use as the drug in question. To obtain Orphan Drug status for a
drug that shares the same active moiety as an already approved drug, it must be demonstrated to the FDA that the drug is safer or more effective than the approved orphan
designated drug, or that it makes a major contribution to patient care. In addition, a designated orphan drug may not receive orphan drug exclusivity if it is approved for a use
that  is  broader  than  the  indication  for  which  it  received  orphan  designation.  In  addition,  orphan  drug  exclusive  marketing  rights  in  the  U.S.  may  be  lost  if  the  FDA  later
determines that the request for designation was materially defective or if the manufacturer is unable to assure sufficient quantity of the drug to meet the needs of patients with
the rare disease or condition or if another drug with the same active moiety is determined to be safer, more effective, or represents a major contribution to patient care.

Our  future  growth  may  depend,  in  part,  on  our  ability  to  penetrate  foreign  markets,  where  we  would  be  subject  to  additional  regulatory  burdens  and  other  risks  and
uncertainties.

Our future profitability may depend, in part, on our ability to commercialize our product candidates in foreign markets for which we may rely on collaboration with third parties.
If we commercialize our product candidates in foreign markets, we would be subject to additional risks and uncertainties, including:

● our customers’ ability to obtain reimbursement for our product candidates in foreign markets;

● our inability to directly control commercial activities because we are relying on third parties;

● the burden of complying with complex and changing foreign regulatory, tax, accounting and legal requirements;

● different medical practices and customs in foreign countries affecting acceptance in the marketplace;

● import or export licensing requirements;

● longer accounts receivable collection times;

● longer lead times for shipping;

● language barriers for technical training;

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● reduced protection of intellectual property rights, different standards of patentability and different availability of prior art in some foreign countries as compared with the

U.S.;

● the existence of additional potentially relevant third party intellectual property rights;

● foreign currency exchange rate fluctuations; and

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

Foreign sales of our product candidates could also be adversely affected by the imposition of governmental controls, political and economic instability, trade restrictions and
changes in tariffs.

We  are  a  development  stage  biopharmaceutical  company  with  no  current  revenues  or  approved  products,  and  limited  experience  developing  new  therapeutic  product
candidates, including conducting clinical trials and other areas required for the successful development and commercialization of therapeutic products, which makes it
difficult to assess our future viability.

We are a development stage biopharmaceutical company. We currently have no approved products and currently generate no revenues, and we have not yet fully demonstrated
an  ability  to  overcome  many  of  the  fundamental  risks  and  uncertainties  frequently  encountered  by  development  stage  companies  in  new  and  rapidly  evolving  fields  of
technology, particularly biotechnology. To execute our business plan successfully, we will need to accomplish the following fundamental objectives, either on our own or with
collaborators:

● develop and obtain required regulatory approvals for commercialization of PH94B, PH10, AV-101 and/or other product candidates;

● maintain, leverage and expand our intellectual property portfolio;

● establish and maintain sales, distribution and marketing capabilities, and/or enter into strategic partnering arrangements to access such capabilities;

● gain market acceptance for our product candidates; and

● obtain  adequate  capital  resources  and  manage  our  spending  as  costs  and  expenses  increase  due  to  research,  production,  development,  regulatory  approval  and

commercialization of product candidates.

Our future success is highly dependent upon our ability to successfully develop and commercialize any of our current product candidates, acquire or license additional
product candidates, or discover, as well as produce, develop and commercialize proprietary NCEs using our stem cell technology, and we cannot provide any assurance that
we  will  successfully  develop  and  commercialize  PH94B,  PH10,  AV-101  or  acquire  or  license  additional  product  candidates  or  discover  and  develop  NCEs,  or  that,  if
produced, PH94B, PH10, AV-101 or any other product candidate will be successfully commercialized.

Business development and research and development programs designed to identify, acquire or license additional product candidates, or, as the case may be, produce DR NCEs
require  substantial  technical,  financial  and  human  resources,  whether  or  not  any  additional  product  candidate  is  acquired  or  licensed  or  NCEs  are  ultimately  identified  and
produced.  

In  addition,  we  do  not  have  a  sales  or  marketing  infrastructure,  and  we,  including  our  executive  officers,  do  not  have  any  significant  pharmaceutical  sales,  marketing  or
distribution experience. We may seek to collaborate with others to develop and commercialize PH94B, PH10, AV-101, drug rescue NCEs and/or other product candidates if and
when they are acquired and developed, or we may seek to establish those commercial capabilities ourselves.  If we enter into arrangements with third parties to perform sales,
marketing and distribution services for our products, the resulting revenues or the profitability from these revenues to us are likely to be lower than if we had sold, marketed and
distributed our products ourselves. In addition, we may not be successful entering into arrangements with third parties to sell, market and distribute PH94B, PH10, AV-101, any
drug rescue NCEs or other product candidates or may be unable to do so on terms that are favorable to us.  We likely will have little control over such third parties, and any of
these third parties may fail to devote the necessary resources and attention to sell, market and distribute our products effectively.  If we do not establish sales, marketing and
distribution capabilities successfully, either on our own or in collaboration with third parties, we will not be successful in commercializing our product candidates.

We have limited operating history with respect to drug development, including our anticipated focus on the identification and acquisition of additional product candidates
or the assessment of potential NCEs and no operating history with respect to the production of NCEs, and we may never be able to produce a NCE.

If we are unable to develop and commercialize PH94B, PH10, AV-101 or acquire or license additional product candidates, or produce suitable NCEs, we may not be able to
generate sufficient revenues to execute our business plan, which likely would result in significant harm to our financial position and results of operations, which could adversely
impact our stock price.  

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With respect to drug rescue, there are a number of factors, in addition to the utility of CardioSafe 3D, that may impact our ability to identify and produce, develop or out-license
and commercialize NCEs, independently or with partners, including:

● our ability to identify potential candidates in the public domain, obtain sufficient quantities of them, and assess them using our bioassay systems;

● if  we  seek  to  rescue  drug  candidates  that  are  not  available  to  us  in  the  public  domain,  the  extent  to  which  third  parties  may  be  willing  to  out-license  or  sell  certain

candidates to us on commercially reasonable terms;

● our  medicinal  chemistry  collaborator’s  ability  to  design  and  produce  proprietary  NCEs  based  on  the  novel  biology  and  structure-function  insight  we  provide

using CardioSafe 3D; and

● financial resources available to us to develop and commercialize lead NCEs internally, or, if we sell or out-license them to partners, the resources such partners choose to

dedicate to development and commercialization of any NCEs they acquire or license from us.

Even  if  we  do  acquire  additional  product  candidates  or  produce  proprietary  NCEs,  we  can  give  no  assurance  that  we  will  be  able  to  develop  and  commercialize  them  as
marketable  drugs,  on  our  own  or  in  collaboration  with  others.  Before  we  generate  any  revenues  from  PH94B,  PH10, AV-101  or  additional  acquired  or  licensed  products
candidates or any NCEs, we or our potential collaborators must complete preclinical and clinical development programs, submit clinical and manufacturing data to the FDA,
qualify a third party CMO, receive regulatory approval in one or more jurisdictions, satisfy the FDA that our CMO is capable of manufacturing the product in compliance with
cGMP, build a commercial organization, make substantial investments and undertake significant marketing efforts ourselves or in partnership with others. We are not permitted
to  market  or  promote  any  of  our  product  candidates  before  we  receive  regulatory  approval  from  the  FDA  or  comparable  foreign  regulatory  authorities,  and  we  may  never
receive such regulatory approval for any of our product candidates.

If CardioSafe  3D fails to predict accurately and efficiently the cardiac effects, both toxic and nontoxic, of drug rescue candidates and drug rescue NCEs, then our drug
rescue programs will be adversely affected.

Success of our subsidiary, VistaStem, is partly dependent on our ability to use  CardioSafe 3D to identify and predict, accurately and efficiently, the potential toxic and nontoxic
cardiac effects of drug rescue candidates and  drug  rescue  NCEs.  If CardioSafe 3D is not capable of providing physiologically relevant and clinically predictive information
regarding human cardiac biology, our business will be adversely affected.

CardioSafe 3D may not be meaningfully more predictive of the behavior of human cells than existing methods.

Drug  rescue  programs  are  highly  dependent  upon CardioSafe  3D  being  more  accurate,  efficient  and  clinically  predictive  than  long-established  surrogate  safety  models,
including animal cells and live animals, and immortalized, primary and transformed cells, currently used by pharmaceutical companies and others. We cannot give assurance
that CardioSafe  3D  will  be  more  efficient  or  accurate  at  predicting  the  heart  safety  of  new  drug  candidates  than  the  testing  models  currently  used.  If CardioSafe  3D  fails  to
provide a meaningful difference compared to existing or new models in predicting the behavior of human heart, respectively, their utility for drug rescue will be limited and our
business will be adversely affected.

We may invest in producing drug rescue NCEs for which there proves to be no demand.

To generate revenue from our drug rescue activities, we must produce proprietary NCEs for which there proves to be demand within the healthcare marketplace, and, if we
intend  to  out-license  a  particular  NCE  for  development  and  commercialization  prior  to  market  approval,  then  also  among  pharmaceutical  companies  and  other  potential
collaborators. However, we may produce NCEs for which there proves to be no or limited demand in the healthcare market and/or among pharmaceutical companies and others.
If we misinterpret market conditions, underestimate development costs and/or seek to rescue the wrong drug rescue candidates, we may fail to generate sufficient revenue or
other value, on our own or in collaboration with others, to justify our investments, and our business may be adversely affected.

We may experience difficulty in producing human cells and our future stem cell technology research and development efforts may not be successful within the timeline
anticipated, if at all.

Our  hPSC  technology  is  technically  complex,  and  the  time  and  resources  necessary  to  develop  various  human  cell  types  and  customized  bioassay  systems,  although  not
significant  at  present,  are  difficult  to  predict  in  advance.  We  might  decide  to  devote  significant  additional  personnel  and  financial  resources  to  research  and  development
activities designed to expand, in the case of DR, and explore, in the case of drug discovery and RM, potential applications of our stem cell technology platform. In particular, we
may conduct exploratory nonclinical RM programs involving blood, bone, cartilage, and/or liver cells. Although we and our third-party collaborators have developed proprietary
protocols to produce multiple differentiated cell types, we could encounter difficulties in differentiating and producing sufficient quantities of particular cell types, even when
following these proprietary protocols. These difficulties could result in delays in production of certain cells, assessment of certain drug rescue candidates and drug rescue NCEs,
design and development of certain human cellular assays and performance of certain exploratory nonclinical RM studies. In the past, our stem cell research and development
projects have been significantly delayed when we encountered unanticipated difficulties in differentiating hPSCs into heart and liver cells. Although we have overcome such
difficulties in the past, we may have similar delays in the future, and we may not be able to overcome them or obtain any benefits from our future stem cell technology research
and development activities. Any delay or failure by us, for example, to produce functional, mature blood, bone, cartilage, and liver cells could have a substantial and material
adverse effect on our potential drug discovery, drug rescue and RM business opportunities and results of operations.

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Restrictions on research and development involving human embryonic stem cells and religious and political pressure regarding such stem cell research and development
could impair our ability to conduct or sponsor certain potential collaborative research and development programs and adversely affect our prospects, the market price of
our common stock and our business model.

Some  of  our  research  and  development  programs  may  involve  the  use  of  human  cells  derived  from  our  controlled  differentiation  of  human  embryonic  stem  cells  (hESCs).
Some believe the use of hESCs gives rise to ethical and social issues regarding the appropriate use of these cells. Our research related to differentiation of hESCs may become
the  subject  of  adverse  commentary  or  publicity,  which  could  significantly  harm  the  market  price  of  our  common  stock. Although  now  substantially  less  than  in  years  past,
certain political and religious groups in the U.S. and elsewhere voice opposition to hESC technology and practices. We may use hESCs derived from excess fertilized eggs that
have  been  created  for  clinical  use  in in vitro  fertilization  (IVF)  procedures  and  have  been  donated  for  research  purposes  with  the  informed  consent  of  the  donors  after  a
successful IVF procedure because they are no longer desired or suitable for IVF. Certain academic research institutions have adopted policies regarding the ethical use of human
embryonic tissue. These policies may have the effect of limiting the scope of future collaborative research opportunities with such institutions, thereby potentially impairing our
ability to conduct certain research and development in this field that we believe is necessary to expand the DR capabilities of our technology, which would have a material
adverse effect on our business.

The use of embryonic or fetal tissue in research (including the derivation of hESCs) in other countries is regulated by the government, and such regulation varies widely from
country to country.  Government-imposed  restrictions  with  respect  to  use  of  hESCs  in  research  and  development  could  have  a  material  adverse  effect  on  us  by  harming  our
ability to establish critical collaborations, delaying or preventing progress in our research and development, and causing a decrease in the market interest in our stock.

The foregoing potential ethical concerns do not apply to our use of induced pluripotent stem cells (iPSCs) because their derivation does not involve the use of embryonic tissues.

We  have  assumed  that  the  biological  capabilities  of  iPSCs  and  hESCs  are  likely  to  be  comparable.  If  it  is  discovered  that  this  assumption  is  incorrect,  our  exploratory
research and development activities focused on potential regenerative medicine applications of our stem cell technology platform could be harmed.

We may use both hESCs and iPSCs to produce human cells for our customized in vitro assays for drug discovery and drug rescue purposes. However, we anticipate that our
future exploratory research and development, if any, focused on potential regenerative medicine applications of our stem cell technology platform primarily will involve iPSCs.
With  respect  to  iPSCs,  we  believe  scientists  are  still  somewhat  uncertain  about  the  clinical  utility,  life  span,  and  safety  of  such  cells,  and  whether  such  cells  differ  in  any
clinically significant ways from hESCs. If we discover that iPSCs will not be useful for whatever reason for potential regenerative medicine programs, this would negatively
affect our ability to explore expansion of our platform in that manner, including, in particular, where it would be preferable to use iPSCs to reproduce rather than approximate
the effects of certain specific genetic variations.

If we fail to comply with environmental, health and safety laws and regulations, we could become subject to fines or penalties or incur costs that could have a material
adverse effect on the success of our business.

We are subject to numerous environmental, health and safety laws and regulations, including those governing laboratory procedures and the handling, use, storage, treatment
and  disposal  of  hazardous  materials  and  wastes.  Our  operations  involve  the  use  of  hazardous  and  flammable  materials,  including  chemicals  and  biological  materials.  Our
operations  also  produce  hazardous  waste  products.  We  generally  contract  with  third  parties  for  the  disposal  of  these  materials  and  wastes.  We  cannot  eliminate  the  risk  of
contamination or injury from these materials. In the event of contamination or injury resulting from our use of hazardous materials, we could be held liable for any resulting
damages, and any liability could exceed our resources. We also could incur significant costs associated with civil or criminal fines and penalties.

Although we maintain workers' compensation insurance to cover us for costs and expenses we may incur due to injuries to our employees resulting from the use of hazardous
materials, this insurance may not provide adequate coverage against potential liabilities. We do not maintain insurance for environmental liability or toxic tort claims that may
be asserted against us in connection with our storage or disposal of biological, hazardous or radioactive materials.

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In addition, we may incur substantial costs to comply with current or future environmental, health and safety laws and regulations. These current or future laws and regulations
may impair our research, development, or production efforts. Failure to comply with these laws and regulations also may result in substantial fines, penalties, or other sanctions,
which could have a material adverse effect on our operations.

To the extent our research and development activities involve using iPSCs, we will be subject to complex and evolving laws and regulations regarding privacy and informed
consent.  Many  of  these  laws  and  regulations  are  subject  to  change  and  uncertain  interpretation,  and  could  result  in  claims,  changes  to  our  research  and  development
programs and objectives, increased cost of operations or otherwise harm the Company.

To the extent that we pursue research and development activities involving iPSCs, we will be subject to a variety of laws and regulations in the U.S. and abroad that involve
matters central to such research and development activities, including obligations to seek informed consent from donors for the use of their blood and other tissue to produce, or
have produced for us, iPSCs, as well as state and federal laws that protect the privacy of such donors. U.S. federal and state and foreign laws and regulations are constantly
evolving and can be subject to significant change. If we engage in iPSC-related research and development activities in countries other than the U.S., we may become subject to
foreign  laws  and  regulations  relating  to  human-subjects  research  and  other  laws  and  regulations  that  are  often  more  restrictive  than  those  in  the  U.S.  In  addition,  both  the
application and interpretation of these laws and regulations are often uncertain, particularly in the rapidly evolving stem cell technology sector. Compliance with these laws and
regulations can be costly, can delay or impede our research and development activities, result in negative publicity, increase our operating costs, require significant management
time and attention and subject us to claims or other remedies, including fines or demands that we modify or cease existing business practices.

Legal, social and ethical concerns surrounding the use of iPSCs, biological materials and genetic information could impair our operations.

To  the  extent  that  our  future  stem  cell  research  and  development  activities  involve  the  use  of  iPSCs  and  the  manipulation  of  human  tissue  and  genetic  information,  the
information  we  derive  from  such  iPSC-related  research  and  development  activities  could  be  used  in  a  variety  of  applications,  which  may  have  underlying  legal,  social  and
ethical  concerns,  including  the  genetic  engineering  or  modification  of  human  cells,  testing  for  genetic  predisposition  for  certain  medical  conditions  and  stem  cell  banking.
Governmental authorities could, for safety, social or other purposes, call for limits on or impose regulations on the use of iPSCs and genetic testing or the manufacture or use of
certain biological materials involved in our iPSC-related research and development programs. Such concerns or governmental restrictions could limit our future research and
development activities, which could have a material adverse effect on our business, financial condition and results of operations.

Our  human  cellular  bioassay  systems  and  human  cells  we  derive  from  human  pluripotent  stem  cells,  although  not  currently  subject  to  regulation  by  the  FDA  or  other
regulatory agencies as biological products or drugs, could become subject to regulation in the future.

The human cells we produce from hPSCs and our customized bioassay systems using such cells, including CardioSafe 3D, are not currently sold, for research purposes or any
other purpose, to biotechnology or pharmaceutical companies, government research institutions, academic and nonprofit research institutions, medical research organizations or
stem cell banks, and they are not therapeutic procedures. As a result, they are not subject to regulation as biological products or drugs by the FDA or comparable agencies in
other countries. However, if, in the future, we seek to include human cells we derive from hPSCs in therapeutic applications or product candidates, such applications and/or
product  candidates  would  be  subject  to  the  FDA’s  pre-  and  post-market  regulations.  For  example,  if  we  seek  to  develop  and  market  human  cells  we  produce  for  use  in
performing RM applications, such as tissue engineering or organ replacement, we would first need to obtain FDA pre-market clearance or approval. Obtaining such clearance or
approval from the FDA is expensive, time-consuming and uncertain, generally requiring many years to obtain, and requiring detailed and comprehensive scientific and clinical
data. Notwithstanding the time and expense, these efforts may not result in FDA approval or clearance. Even if we were to obtain regulatory approval or clearance, it may not
be for the uses that we believe are important or commercially attractive.

Risks Related to Our Financial Position

We  have  incurred  significant  net  losses  since  inception  and  we  will  continue  to  incur  substantial  operating  losses  for  the  foreseeable  future.  We  may  never  achieve  or
sustain profitability, which would depress the market price of our common stock and could cause you to lose all or a part of your investment.

We have incurred significant net losses in each fiscal year since our inception in 1998, including net losses of approximately $20.8 million and $24.6 million million during our
fiscal years ended March 31, 2020 and 2019, respectively. At March 31, 2020, we had an accumulated deficit of approximately $201.9 million. We do not know whether or
when we will become profitable. Substantially all of our operating losses have resulted from costs incurred in connection with our research and development programs and from
general and administrative costs associated with our operations. We expect to incur increasing levels of operating losses over the next several years and for the foreseeable
future. Our prior losses, combined with expected future losses, have had and will continue to have an adverse effect on our stockholders’ equity and working capital. We expect
our research and development expenses to significantly increase in connection with nonclinical studies and clinical trials of our product candidates. In addition, if we obtain
marketing approval for our product candidates, we may incur significant sales, marketing and outsourced-manufacturing expenses should we elect not to collaborate with one or
more third parties for such services and capabilities. As a public company, we incur additional costs associated with operating as a public company. As a result, we expect to
continue  to  incur  significant  and  increasing  operating  losses  for  the  foreseeable  future.  Because  of  the  numerous  risks  and  uncertainties  associated  with  developing
pharmaceutical products, we are unable to predict the extent of any future losses or when we will become profitable, if at all. Even if we do become profitable, we may not be
able to sustain or increase our profitability on a quarterly or annual basis.

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Our ability to become profitable depends upon our ability to generate revenues. To date, we have generated approximately $17.7 million in revenues, consisting of receipt of
non-dilutive cash payments from collaborators, sublicense revenue, and research and development grant awards from the NIH. We have not yet commercialized any product or
generated any revenues from product sales, and we do not know when, or if, we will generate any revenue from product sales. We do not expect to generate significant revenue
unless and until we obtain marketing approval of, and begin to experience sales of, PH94B, PH10, AV-101 or another future product candidate, or we enter into one or more
development and commercialization agreements with respect to PH94B, PH10, AV-101 or one or more other future product candidates. Our ability to generate revenue depends
on a number of factors, including, but not limited to, our ability to:

● initiate and successfully complete nonclinical and clinical trials that meet their prescribed endpoints;

● initiate and successfully complete all safety studies required to obtain U.S. and foreign marketing approval for our product candidates;

● timely complete and compose successful regulatory submissions such as NDAs or comparable documents for both the U.S. and foreign jurisdictions;

● commercialize our product candidates, if approved, by developing a sales force or entering into collaborations with third parties for sales and marketing capabilities; and

● achieve market acceptance of our product candidates in the medical community and with third-party payors.

Unless we enter into a commercialization collaboration or partnership with respect to the commercialization of our product candidates, we expect to incur significant sales and
marketing costs as we prepare to commercialize our product candidates. Even if we initiate and successfully complete pivotal clinical trials of our product candidates, and our
product  candidates  are  approved  for  commercial  sale,  and  despite  expending  these  costs,  our  product  candidates  may  not  be  commercially  successful.  We  may  not  achieve
profitability soon after generating product sales, if ever. If we are unable to generate product revenue, we will not become profitable and may be unable to continue operations
without continued funding.

We require additional financing to execute our business plan and continue to operate as a going concern.

Our audited consolidated financial statements for the year ended March 31, 2020 included in this Annual Report were prepared assuming we will continue to operate as a going
concern, although we and our auditors have indicated that our continuing losses and negative cash flows from operations raise substantial doubt about our ability to continue as
such.  Because  we  continue  to  experience  net  operating  losses,  our  ability  to  continue  as  a  going  concern  is  subject  to  our  ability  to  obtain  necessary  funding  from  outside
sources,  including  obtaining  additional  funding  from  this  offering  as  well  as  future  sales  of  our  securities  or  potentially  obtaining  loans  and  grant  awards  from  financial
institutions and/or government agencies where possible. Our continued net operating losses increase the difficulty in completing such sales or securing alternative sources of
funding, and there can be no assurances that we will be able to obtain any future funding on favorable terms or at all. If we are unable to obtain sufficient financing from the sale
of our securities or from alternative sources, we may be required to reduce, defer, or discontinue certain or all of our research and development activities or we may not be able
to continue as a going concern.

Since our inception, most of our resources have been dedicated to research and development of AV-101 and the drug rescue capabilities of VistaStem’s stem cell technology
platform.  In  particular,  we  have  expended  substantial  resources  on  research  and  development  of  methods  and  processes  relating  to  the  production  of AV-101 API  and  drug
product,  advancing AV-101  through  IND-enabling  preclinical  development,  Phase  1  clinical  safety  studies,  and  into  ongoing  Phase  2  clinical  development,  including  the
Elevate Study completed in 2019, as well as research and development and regulatory expenses related to the production of PH94B and PH10 and our stem cell technology
platform, including development of CardioSafe 3D for DR and our cardiac stem cell technology for potential RM applications in connection with the Bayer Agreement, and we
expect to continue to expend substantial resources for the foreseeable future developing and commercializing our product candidates on our own or in collaborations. These
expenditures will include costs associated with general and administrative costs, facilities costs, research and development, acquiring new technologies, manufacturing product
candidates, conducting nonclinical experiments and clinical trials and obtaining regulatory approvals, as well as commercializing any products approved for sale.

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At March 31, 2020, we had cash and cash equivalents of approximately $1.4 million. We do not believe this amount, plus the proceeds to date from the LPC Aagreement, is
sufficient to enable us to fund our planned operations for at least the twelve months following the issuance of the financial statements included elsewhere in this Annual Report.
We  expect  to  seek  additional  capital  to  produce  PH94B  study  material,  conduct  PH94B  pivotal  Phase  3  clinical  trials,  produce  additional AV-101  study  material  for  future
nonclinical and clinical studies, conduct AV-101 Phase 3-enabling toxicology studies, conduct pivotal Phase 3 clinical studies of AV-101 in MDD, conduct AV-101 Phase 2
studies in LID, MDD, NP and SI, produce PH10 study material and conduct a Phase 2b clinical trial of PH10 in MDD, acquire or license and conduct research and development
of additional product candidates and to fund our internal operations.

Further, we have no current source of revenue to sustain our present activities, and we do not expect to generate revenue until, and unless, we (i) out-license or sell a product
candidate to a third-party, (ii) enter into additional license arrangements involving our stem cell technology, or (iii) obtain approval from the FDA or other regulatory authorities
and successfully commercialize, on our own or through a future collaboration, one or more of our product candidates.

As the outcome of our ongoing research and development activities, including the outcome of future anticipated clinical trials is highly uncertain, we cannot reasonably estimate
the actual amounts necessary to successfully complete the development and commercialization of our product candidates, on our own or in collaboration with others. As with
prior periods, we will continue to incur costs associated with other development programs for PH94B, PH10 and AV-101. In addition, other unanticipated costs may arise. As a
result of these and other factors, we will need to seek additional capital in the near term to meet our future operating requirements, including capital necessary to develop, obtain
regulatory  approval  for,  and  to  commercialize  our  product  candidates,  and  may  seek  additional  capital  in  the  event  there  exists  favorable  market  conditions  or  strategic
considerations even if we believe we have sufficient funds for our current or future operating plans. We have completed in the past, and are currently considering a range of
potential financing transactions, including public or private equity or debt financings, government or other third-party funding, marketing and distribution arrangements and
other collaborations, strategic alliances and licensing arrangements or a combination of these approaches, and we may complete additional financing arrangements later in 2019
and thereafter. Raising  funds  in  the  current  economic  environment  may  present  additional  challenges.  Even  if  we  believe  we  have  sufficient  funds  for  our  current  or  future
operating plans, we may seek additional capital if market conditions are favorable or if we have specific strategic considerations.

Our future capital requirements depend on many factors, including:

● the number and characteristics of the product candidates we pursue;

● the scope, progress, results and costs of researching and developing our product candidates, and conducting preclinical and clinical studies;

● the timing of, and the costs involved in, obtaining regulatory approvals for our product candidates;

● the cost of commercialization activities if any of our product candidates are approved for sale, including marketing, sales and distribution costs;

● the cost of manufacturing our product candidates and any products we successfully commercialize;

● our ability to establish and maintain strategic partnerships, licensing or other collaborative arrangements and the financial terms of such agreements;

●    market acceptance of our product candidates;

●    the effect of competing technological and market developments;

●   our ability to obtain government funding for our research and development programs;

●   the costs involved in obtaining, maintaining and enforcing patents to preserve our intellectual property;

● the costs involved in defending against such claims that we infringe third-party patents or violate other intellectual property rights and the outcome of such litigation;

● the timing, receipt and amount of potential future licensee fees, milestone payments, and sales of, or royalties on, our future products, if any; and

● the extent to which we may acquire or invest in additional businesses, product candidates and technologies.

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Any additional fundraising efforts will divert certain members of our management team from their day-to-day activities, which may adversely affect our ability to develop and
commercialize our product candidates. In addition, our ability to engage in certain types of capital raising transactions may be limited by the Listing Rules of the Nasdaq Stock
Market and/or General Instruction I.B.6 of Form S-3 so long as the market value of our common stock held by non-affiliates remains below $75 million. We cannot guarantee
that future financing will be available in sufficient amounts, in a timely manner, or on terms acceptable to us, if at all. The terms of any future financing may adversely affect the
holdings or the rights of our stockholders and the issuance of additional securities, whether equity or debt, by us, or the possibility of such issuance, may cause the market price
of  our  shares  to  decline.  The  sale  of  additional  equity  securities  and  the  conversion,  exchange  or  exercise  of  certain  of  our  outstanding  securities  will  dilute  all  of  our
stockholders. The incurrence of debt could result in increased fixed payment obligations and we could be required to agree to certain restrictive covenants, such as limitations on
our ability to incur additional debt, limitations on our ability to acquire, sell or license intellectual property rights and other operating restrictions that could adversely impact our
ability to conduct our business. We could also be required to seek funds through arrangements with collaborative partners or otherwise at an earlier stage than otherwise would
be desirable and we may be required to relinquish rights to some of our technologies or product candidates or otherwise agree to terms unfavorable to us, any of which may
have a material adverse effect on our business, operating results and prospects.

If we are unable to obtain additional funding on a timely basis and on acceptable terms, we may be required to significantly curtail, delay or discontinue one or more of our
research or product development programs or the commercialization of any product candidate or be unable to continue or expand our operations or otherwise capitalize on our
business opportunities, as desired, which could materially affect our business, financial condition and results of operations.

Current volatile and/or recessionary conditions in the U.S. or abroad could adversely affect our business or our access to capital markets in a material manner.

To date, our principal sources of capital used to fund our development programs and other operations have been the net proceeds we received from sales of equity securities, as
described herein. We have and will continue to use significant capital for the development of our product candidates, and, as such, we expect to seek additional capital from
future issuance(s) of our securities, which may consist of issuances of equity and/or debt securities, to fund our planned operations.

Accordingly,  our  results  of  operations  and  the  implementation  of  both  our  short-term  and  long-term  business  plan  could  be  adversely  affected  by  general  conditions  in  the
global economy, including conditions that are outside of our control, such as the impact of health and safety concerns from the current COVID-19 pandemic. The most recent
global financial crisis caused by COVID-19 resulted in extreme volatility and disruptions in the capital and credit markets. A prolonged economic downturn could result in a
variety of risks to our business and may have a material adverse effect on us, including limiting or restricting our ability to access capital on favorable terms, or at all, which
would limit our ability to obtain adequate financing to maintain our operations.

We recieved funds from the Paycheck Protection Program enacted by Congres under the Coronavirus Aid, Relief and Economic Security Act, which funds must be repaid if
we do not meet the criteria for forgiveness established by the U.S. Small Business Administration.

On April 22, 2020, we entered into a note payable agreement, pursuant to which we received net proceeds of approximately $224,000 from a potentially forgivable loan from
the  U.S.  Small  Business Administration  ( SBA)  pursuant  to  the  Paycheck  Protection  Program  (PPP)  enacted  by  Congress  under  the  Coronavirus Aid,  Relief,  and  Economic
Security Act (the CARES Act) administered by the SBA (the PPP Loan). The PPP Loan provides for working capital to the Company and matures on April 22, 2022. Under the
CARES Act and the PPP Loan Agreement, all payments of both principal and interest are deferred until at least October 22, 2020. The PPP Loan will accrue interest at a rate of
1.00%  per  annum,  and  interest  will  continue  to  accrue  throughout  the  period  the  PPP  Loan  is  outstanding,  or  until  it  is  forgiven.  The  CARES Act  (including  subsequent
guidance issued by SBA and U.S. Department of the Treasury related thereto) provides that all or a portion of the PPP Loan may be forgiven upon our request to the Lender,
subject to requirements in the PPP Loan Agreement and the CARES Act. Although no assurances can be given, the Company currently believes it will be able to satisfy the
applicable requirements for forgiveness of the PPP Loan and expects that the PPP Loan will be forgiven.

We have identified material weaknesses in our internal control over financial reporting, and our business and stock price may be adversely affected if we do not adequately
address those weaknesses or if we have other material weaknesses or significant deficiencies in our internal control over financial reporting.

We have identified material weaknesses in our internal control over financial reporting. In particular, we concluded that (i) the size of our staff does not permit appropriate
segregation of duties to (a) permit appropriate review of accounting transactions and/or accounting treatment by multiple qualified individuals, and (b) prevent one individual
from overriding the internal control system by initiating, authorizing and completing all transactions, and (ii) we utilize accounting software that does not prevent erroneous or
unauthorized changes to previous reporting periods and/or can be adjusted so as to not provide an adequate auditing trail of entries made in the accounting software.

The  existence  of  one  or  more  material  weaknesses  or  significant  deficiencies  could  result  in  errors  in  our  financial  statements,  and  substantial  costs  and  resources  may  be
required to rectify any internal control deficiencies. If we cannot produce reliable financial reports, investors could lose confidence in our reported financial information, we
may be unable to obtain additional financing to operate and expand our business and our business and financial condition could be harmed.

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Raising additional capital will cause substantial dilution to our existing stockholders, may restrict our operations or require us to relinquish rights, and may require us to
seek stockholder approval to authorize additional shares of our common stock.

We intend to pursue private and public equity offerings, debt financings, strategic collaborations and licensing arrangements during 2020 and beyond. To the extent that we
raise additional capital through the sale of common stock or securities convertible or exchangeable into common stock, or to the extent, for strategic purposes, we convert or
exchange certain of our outstanding securities into common stock, our current stockholders’ ownership interest in our company will be substantially diluted. In addition, the
terms of any such securities may include liquidation or other preferences that materially adversely affect rights of our stockholders. Debt financing, if available, would increase
our fixed payment obligations and may involve agreements that include covenants limiting or restricting our ability to take specific actions, such as incurring additional debt,
making capital expenditures or declaring dividends. If we raise additional funds through collaboration, strategic partnerships and licensing arrangements with third parties, we
may have to relinquish valuable rights to our product candidates, our intellectual property, future revenue streams or grant licenses on terms that are not favorable to us.

Some of our programs have been partially supported by government grant awards, which may not be available to us in the future.

Since  inception,  we  have  received  substantial  funds  under  grant  award  programs  funded  by  state  and  federal  governmental  agencies,  such  as  the  NIH,  the  NIH’s  National
Institute of Neurological Disease and Stroke (NINDS) and the NIMH, and the California Institute for Regenerative Medicine (CIRM). To fund a portion of our future research
and  development  programs,  we  may  apply  for  additional  grant  funding  from  such  or  similar  governmental  organizations.    However,  funding  by  these  governmental
organizations may be significantly reduced or eliminated in the future for a number of reasons, including the impact of the ongoing COVID-19 pandemic. For example, some
programs are subject to a yearly appropriations process in Congress. In addition, we may not receive funds under future grants because of budgeting constraints of the agency
administering the program. Therefore, we cannot assure you that we will receive any future grant funding from any government organization or otherwise.  A restriction on the
government funding available to us could reduce the resources that we would be able to devote to future research and development efforts. Such a reduction could delay the
introduction of new products and hurt our competitive position.

Our ability to use net operating losses to offset future taxable income is subject to certain limitations.

As of March 31, 2020, we had federal and state net operating loss carryforwards of approximately $125.1 million and $64.1 million, respectively, which begin to expire in fiscal
2021 and will continue to expire in future periods.  Under Section 382 of the Internal Revenue Code of 1986, as amended (the Code), changes in our ownership may limit the
amount of our net operating loss carryforwards that could be utilized annually to offset our future taxable income, if any. This limitation would generally apply in the event of a
cumulative  change  in  ownership  of  our  company  of  more  than  50%  within  a  three-year  period. Any  such  limitation  may  significantly  reduce  our  ability  to  utilize  our  net
operating loss carryforwards and tax credit carryforwards before they expire. Any such limitation, whether as the result of future offerings, prior private placements, sales of our
common stock by our existing stockholders or additional sales of our common stock by us in the future, could have a material adverse effect on our results of operations in
future years. We have not completed a study to assess whether an ownership change for purposes of Section 382 has occurred, or whether there have been multiple ownership
changes since our inception, due to the significant costs and complexities associated with such study.

General Company-Related Risks

If  we  fail  to  attract  and  retain  senior  management  and  key  scientific  personnel,  we  may  be  unable  to  successfully  produce,  develop  and  commercialize  our  product
candidates.

Our success depends in part on our continued ability to attract, retain and motivate highly qualified management and scientific and technical personnel. We are highly dependent
upon our Chief Executive Officer, President and Chief Scientific Officer, Chief Medical Officer, Chief Financial Officer, and Vice President – Corporate Development as well
as our other employees, consultants and scientific collaborators. As of the date of this Annual Report, we have nine full-time employees, which may make us more reliant on
our  individual  employees  than  companies  with  a  greater  number  of  employees.  The  loss  of  services  of  any  of  these  individuals  could  delay  or  prevent  the  successful
development of our product candidates or disrupt our administrative functions.

Although we have not historically experienced unique difficulties attracting and retaining qualified employees, we could experience such problems in the future. For example,
competition for qualified personnel in the biotechnology and pharmaceuticals field is intense. We will need to hire additional personnel should we elect to expand our research
and development and administrative activities. We may not be able to attract and retain quality personnel on acceptable terms.

In addition, we rely on a broad and diverse range of strategic consultants and advisors, including manufacturing, nonclinical and clinical development, and regulatory advisors
and  CROs,  to  assist  us  in  designing  and  implementing  our  research  and  development  and  regulatory  strategies  and  plans  for  our  product  candidates.  Our  consultants  and
advisors may be employed by employers other than us and may have commitments under consulting or advisory contracts with other entities that may limit their availability to
us.

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As we seek to advance development of our product candidates, we may need to expand our research and development capabilities and/or contract with third parties to provide
these capabilities for us. As our operations expand, we expect that we will need to manage additional relationships with various strategic partners and other third parties. Future
growth will impose significant added responsibilities on members of management. Our future financial performance and our ability to develop and commercialize our product
candidates and to compete effectively will depend, in part, on our ability to manage any future growth effectively. To that end, we must be able to manage our research and
development  efforts  effectively  and  hire,  train  and  integrate  additional  management,  administrative  and  technical  personnel.  The  hiring,  training  and  integration  of  new
employees may be more difficult, costly and/or time-consuming for us because we have fewer resources than a larger organization. We may not be able to accomplish these
tasks, and our failure to accomplish any of them could prevent us from successfully growing the Company.

If product liability lawsuits are brought against us, we may incur substantial liabilities and may be required to limit commercialization of our product candidates.

As we develop our product candidates. either on our own or in collaboration with others, we will face inherent risks of product liability as a result of the required clinical testing
of such product candidates, and will face an even greater risk if we or our collaborators commercialize any such product candidates. For example, we may be sued if PH94B,
PH10, AV-101, any NCE, other product candidate, or RM product candidate we develop allegedly causes injury or is found to be otherwise unsuitable during product testing,
manufacturing, marketing or sale. Any such product liability claims may include allegations of defects in manufacturing, defects in design, a failure to warn of dangers inherent
in  the  product,  negligence,  strict  liability,  and  a  breach  of  warranties.  Claims  could  also  be  asserted  under  state  consumer  protection  acts.  If  we  cannot  successfully  defend
ourselves  against  product  liability  claims,  we  may  incur  substantial  liabilities  or  be  required  to  limit  commercialization  of  our  product  candidates.  Even  successful  defense
would require significant financial and management resources. Regardless of the merits or eventual outcome, liability claims may result in:

● decreased demand for product candidates that we may develop;

● injury to our reputation;

● withdrawal of clinical trial participants;

● costs to defend the related litigation;

● a diversion of management's time and our resources;

● substantial monetary awards to trial participants or patients; or

● product recalls, withdrawals or labeling, marketing or promotional restrictions.

Our  inability  to  obtain  and  retain  sufficient  product  liability  insurance  at  an  acceptable  cost  to  protect  against  potential  product  liability  claims  could  prevent  or  inhibit  the
commercialization  of  products  we  develop. Although  we  maintain  general  and  product  liability  insurance,  any  claim  that  may  be  brought  against  us  could  result  in  a  court
judgment or settlement in an amount that is not covered, in whole or in part, by our insurance or that is in excess of the limits of our insurance coverage. Our insurance policies
also  have  various  exclusions,  and  we  may  be  subject  to  a  product  liability  claim  for  which  we  have  no  coverage.  We  will  have  to  pay  any  amounts  awarded  by  a  court  or
negotiated in a settlement that exceed our coverage limitations or that are not covered by our insurance, and we may not have, or be able to obtain, sufficient capital to pay such
amounts.

As a public company, we incur significant administrative workload and expenses to comply with U.S. regulations and requirements imposed by the Nasdaq Stock Market
concerning corporate governance and public disclosure.

As a public company with common stock listed on the Nasdaq Capital Market, we must comply with various laws, regulations and requirements, including certain provisions of
the Sarbanes-Oxley Act of 2002, as well as rules implemented by the SEC and the Nasdaq Stock Market. Complying with these statutes, regulations and requirements, including
our public company reporting requirements, continues to occupy a significant amount of the time of management and involves significant accounting, legal and other expenses.
Our efforts to comply with these regulations are likely to result in increased general and administrative expenses and management time and attention directed to compliance
activities.

Unfavorable global economic or political conditions could adversely affect our business, financial condition or results of operations.

Our results of operations could be adversely affected by global political conditions, as well as general conditions in the global economy and in the global financial and stock
markets. Global financial and political crises cause extreme volatility and disruptions in the capital and credit markets. A severe or prolonged economic downturn, such as the
recent  economic  downturn  triggered  by  the  ongoing  COVID-19  pandemic,  could  result  in  a  variety  of  risks  to  our  business,  including,  weakened  demand  for  our  product
candidates and our ability to raise additional capital when needed on acceptable terms, if at all. A weak or declining economy could also strain our suppliers, possibly resulting
in supply disruption, or cause our customers to delay making payments for our services. Any of the foregoing could harm our business and we cannot anticipate all of the ways
in which the current economic climate and financial market conditions could adversely impact our business.

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We or the third parties upon whom we depend may be adversely affected by natural disasters and our business continuity and disaster recovery plans may not adequately
protect us from a serious disaster.

Natural disasters could severely disrupt our operations, and have a material adverse effect on our business, results of operations, financial condition and prospects. If a natural
disaster, power outage or other event occurred that prevented us from using all or a significant portion of our headquarters, that damaged critical infrastructure, such as the
manufacturing facilities of our third-party CMOs, or that otherwise disrupted operations, it may be difficult or, in certain cases, impossible for us to continue our business for a
substantial period of time. The disaster recovery and business continuity plans we have in place may prove inadequate in the event of a serious disaster or similar event. We
may  incur  substantial  expenses  as  a  result  of  the  limited  nature  of  our  disaster  recovery  and  business  continuity  plans,  which  could  have  a  material  adverse  effect  on  our
business.

Our business and operations would suffer in the event of cybersecurity or other system failures.  Our business depends on complex information systems, and any failure to
successfully maintain these systems or implement new systems to handle our changing needs could result in a material disruption of our product candidates’ development
programs or otherwise materially harm our operations. 

In the ordinary course of our business, we collect and store sensitive data, including intellectual property, our proprietary business information and that of our suppliers, as well
as personally identifiable information of employees. Similarly, our third-party CROs, CMOs and other contractors and consultants possess certain of our sensitive data. The
secure maintenance of this information is material to our operations and business strategy. Despite the implementation of security measures, our internal computer systems and
those of our third-party CROs, CMOs and other contractors and consultants are vulnerable to attacks by hackers, damage from computer viruses, unauthorized access, breach
due  to  employee  error,  malfeasance  or  other  disruptions,  natural  disasters,  terrorism  and  telecommunication  and  electrical  failures. Additionally,  having  shifted  to  remote
working arrangements, we also face a heightened risk of cybersecurity attacks or data security incidents and are more dependent on internet and telecommunications access and
capabilities. Any such attack or breach could compromise our networks and the information stored there could be accessed, publicly disclosed, lost or stolen. The legislative and
regulatory  landscape  for  privacy  and  data  protection  continues  to  evolve,  and  there  has  been  an  increasing  amount  of  focus  on  privacy  and  data  protection  issues  with  the
potential  to  affect  our  business,  including  recently  enacted  laws  in  a  majority  of  states  requiring  security  breach  notification.  Thus,  any  access,  disclosure  or  other  loss  of
information,  including  our  data  being  breached  at  our  partners  or  third-party  providers,  could  result  in  legal  claims  or  proceedings  and  liability  under  laws  that  protect  the
privacy of personal information, disruption of our operations, and damage to our reputation, which could adversely affect our business.

While we have not experienced any such system failure, accident, or security breach to date, if such an event were to occur and cause interruptions in our operations, it could
result in a material disruption of our programs. For example, the loss of clinical trial data for PH94B, PH10, AV-101 or other product candidates could result in delays in our
regulatory approval efforts and significantly increase our costs to recover or reproduce the data. To the extent that any disruption or security breach results in a loss of or damage
to our data or applications or other data or applications relating to our technology or product candidates, or inappropriate disclosure of confidential or proprietary information,
we could incur liabilities and the further development of our product candidates could be delayed.

We may acquire businesses or product candidates, or form strategic alliances, in the future, and we may not realize the benefits of such acquisitions.

We may acquire additional businesses or product candidates, form strategic alliances or create joint ventures with third parties that we believe will complement or augment our
existing business. If we acquire businesses with promising markets or technologies, we may not be able to realize the benefit of acquiring such businesses if we are unable to
successfully integrate them with our existing operations and company culture. We may encounter numerous difficulties in developing, manufacturing and marketing any new
product  candidates  resulting  from  a  strategic  alliance,  licensing  transaction  or  acquisition  that  delay  or  prevent  us  from  realizing  their  expected  benefits  or  enhancing  our
business. We cannot assure you that, following any such acquisition or licensing transaction, we will achieve the expected synergies to justify the transaction.

Current politics in the U.S. could diminish the value of the pharmaceutical industry, thereby diminishing the value of our securities.

The current political environment in the U.S. has led many incumbents and political candidates to propose various measures to reduce the prices for pharmaceuticals. As we
near the U.S. presidential 2020 elections, it is likely that these proposals will receive increasing publicity which, in turn, may cause the investing public to reduce the perceived
value of pharmaceutical companies. Any decrease in the overall perception of the pharmaceutical industry may have an adverse impact on our share price and may limit our
ability to raise capital needed to continue our drug development programs.

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Risks Related to Our Intellectual Property Rights

If we are unable to adequately protect our proprietary technology or obtain and maintain issued patents that are sufficient to protect our product candidates, others could
compete against us more directly, which would have a material adverse impact on our business, results of operations, financial condition and prospects.

We strive to protect and enhance the proprietary technologies that we believe are important to our business, including seeking patents intended to cover our product candidates,
their compositions and formulations, their methods of use and methods of manufacturing and any other inventions we consider important to the development of our business.
We also rely on trade secrets to protect aspects of our business that are not amenable to, or that we do not consider appropriate for, patent protection.

Our success will depend significantly on our ability to obtain and maintain patent and other proprietary protection for commercially important technology, inventions and know-
how related to our business, to defend and enforce our patents, to preserve the confidentiality of our trade secrets and to operate without infringing the valid and enforceable
patents  and  proprietary  rights  of  third  parties.  We  also  rely  on  know-how,  continuing  technological  innovation  and  in-licensing  opportunities  to  develop,  strengthen  and
maintain the proprietary position of our product candidates. We own and have licensed patents and patent applications related to product candidates PH94B, PH10, AV-101 and
also to hPSC technology.

Although we own and have licensed issued and allowed patents and patent applications relating to PH94B, PH10 and AV-101 in the U.S., selected countries in the EU and other
jurisdictions, we cannot yet provide any assurances that any of our pending U.S. and additional foreign patent applications will mature into issued patents and, if they do, that
any of our patents will include claims with a scope sufficient to protect our product candidates or otherwise provide any competitive advantage.

Moreover, other parties may have developed technologies that may be related or competitive to our approach and may have filed or may file patent applications and may have
received or may receive patents that may overlap or conflict with our patent properties, for example, either by claiming the same methods or formulations or by claiming subject
matter that could dominate our patent position. Such third-party patent positions may limit or even eliminate our ability to obtain or maintain patent protection.

The uncertainty about adequate protection includes changes to the patent laws through either legislative action to change statutory patent law or court action that may reinterpret
existing law in ways affecting the scope or validity of issued patents. Moreover, relevant laws differ from country-to-country.

The  patent  positions  of  biotechnology  and  pharmaceutical  companies,  including  our  patent  portfolio  with  respect  to  our  product  candidates,  involve  complex  legal  and
factual questions, and, therefore, the issuance, scope, validity and enforceability of any additional patent claims that we may obtain cannot be predicted with certainty.

Our ability to obtain valid and enforceable patents depends in large measure on whether the differences between our technology and the prior art allow our inventions to be
patentable over relevant prior art. Such prior art includes scientific publications, investment blogs, granted patents and published patent applications. Patent uncertainty cannot
be eliminated because of the potential existence of other prior art about which we are currently unaware that may be relevant to our patent applications and patents, which may
prevent a pending patent application from being granted or result in an issued patent being held invalid or unenforceable.

In  addition,  some  patent-related  uncertainty  exists  because  of  the  challenge  in  finding  and  addressing  all  of  the  relevant  and  material  prior  art  in  the  biotechnology  and
pharmaceutical fields. For example, there are numerous reports in the scientific literature of compounds that target similar cellular receptors as certain of our product candidates
or that were evaluated in early (often pre-clinical) studies. In addition, even some reports in the trade press and public announcements made by us before the filing date of our
AV-101  patent  applications  mentioned  that AV-101  was  in  development  for  certain  therapeutic  purposes.  For  example,  we  published  a  web  post  on  the  NIH  clinical  trials
website prior to our filing of our initial AV-101 patent applications, which describes unit doses for a then future study, but does not mention treatment of depression and does
not provide any preclinical or clinical study data relating to depression or any other medical condition, disease or disorder. This post was not submitted to the United States
Patent and Trademark Office (USPTO) in our two granted U.S. patents related to (i) unit dose formulations of AV-101 effective to treat depression and (ii) methods of treating
depression with AV-101, respectively. However, it was submitted in two depression-related AV-101 patent applications that have similar claims and we have received Notices
of Allowance from the USPTO in those applications. We are considering entering this web post in the record of the aforementioned two issued U.S. patents. Another source of
uncertainty pertains to patent properties that were in-licensed by us for which prior art submissions were under the control of the licensor. We rely on these licensors to have
satisfied the relevant disclosure obligations.

In the event any previously published prior art is deemed to be invalidating prior art, it may cause certain of our issued patents to be invalid and/or unenforceable which would
cause us to lose at least part, and perhaps all, of the patent protection on our product candidates. Such a loss of patent protection would have a material adverse impact on our
business.

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Obtaining and maintaining our patent protection depends on compliance with various procedural, document submission, fee payment and other requirements imposed by
governmental patent agencies, and our patent protection could be reduced or eliminated for non-compliance with these requirements.

The USPTO, the European Patent Office (EPO) and various other foreign governmental patent agencies require compliance with a number of procedural, documentary, fee
payment  and  other  provisions  during  the  patent  process.  There  are  situations  in  which  noncompliance  can  result  in  abandonment  or  lapse  of  a  patent  or  patent  application,
resulting in partial or complete loss of patent rights in the relevant jurisdiction. In such an event, competitors might be able to enter the market earlier than would otherwise have
been the case.

Even if patents do successfully issue, third parties may challenge the validity, enforceability or scope of such issued patents or any other issued patents we own or license,
which may result in such patents being narrowed, invalidated or held unenforceable.

United  States  and  foreign  patents  and  patent  applications  may  be  subject  to  various  types  of  infringement  and  validity  proceedings,  including  interference  proceedings, ex
parte reexamination, inter partes  review  proceedings,  supplemental  examination  and  challenges  in  district  court.  Patents  may  be  subjected  to  opposition,  post-grant  review,
invalidity actions, or comparable proceedings lodged in various foreign, both national and regional, patent offices or courts. These proceedings could result in loss of the patent
or denial of the patent application or loss or reduction in the scope of one or more of the claims of the patent or patent in such a way that they no longer cover our product
candidates or competitive products.

Furthermore, though an issued patent is presumed valid and enforceable, its issuance is not conclusive as to its validity or its enforceability and it may not provide us with
adequate proprietary protection or competitive advantages against competitors with similar products. Even if a patent issues and is held to be valid and enforceable, competitors
may be able to design around our patents, for example, by using pre-existing or newly developed technology. Other parties may develop and obtain patent protection for more
effective technologies, designs or methods.

If we or one of our licensing partners initiated legal proceedings against a third-party to enforce a patent covering one of our product candidates, including patents related to
PH94B, PH10 or AV-101, the defendant could counterclaim that the patent covering our product candidate 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 include alleged failures to meet any of several
statutory  requirements,  including  lack  of  novelty,  obviousness  or  non-enablement.  Grounds  for  unenforceability  assertions  include  allegations  that  someone  connected  with
prosecution of the patent withheld relevant information from the USPTO or made a misleading statement during prosecution. Third parties may also raise similar claims before
administrative  bodies  in  the  United  States  or  abroad,  even  outside  the  context  of  litigation.  If  a  defendant  were  to  prevail  on  a  legal  assertion  of  invalidity  and/or
unenforceability, we would lose at least part, and perhaps all, of the patent protection on our product candidates. Such a loss of patent protection would have a material adverse
impact on our business.

In  addition,  such  patent-related  proceedings  may  be  costly.  Thus,  any  patent  properties  that  we  may  own  or  exclusively  license  ultimately  may  not  provide  commercially
meaningful protection against competitors. Furthermore, an adverse decision in an interference proceeding can result in a third party receiving the patent right sought by us,
which in turn could affect our ability to develop, market or otherwise commercialize our product candidates.

We may not be able to prevent the unauthorized disclosure or use of our technical knowledge or trade secrets by consultants, vendors, or former or current employees. The laws
of some foreign countries do not protect our proprietary rights to the same extent as the laws of the United States, and we may encounter significant problems in protecting our
proprietary rights in these countries. If these developments were to occur, they could have a material adverse effect on our sales.

Our  ability  to  enforce  our  patent  rights  also  depends  on  our  ability  to  detect  infringement.  It  is  difficult  to  detect  infringers  who  do  not  advertise  the  components  or
manufacturing  processes  that  are  used  in  their  products.  Moreover,  it  may  be  difficult  or  impossible  to  obtain  evidence  of  infringement  in  a  competitor’s  or  potential
competitor’s product. Any litigation to enforce or defend our patent rights, even if we were to prevail, could be costly and time-consuming and would divert the attention of our
management and key personnel from our business operations. We may not prevail in any lawsuits that we initiate and the damages or other remedies awarded if we were to
prevail may not be commercially meaningful.

In addition, proceedings to enforce or defend our patents could put our patents at risk of being invalidated, held unenforceable, or interpreted narrowly. Such proceedings could
also provoke third parties to assert claims against us, including that some or all of the claims in one or more of our patents are invalid or otherwise unenforceable. If any patents
covering  our  product  candidates  are  invalidated  or  found  unenforceable,  our  financial  position  and  results  of  operations  would  be  materially  and  adversely  impacted.  In
addition, if a court found that valid, enforceable patents held by third parties covered our product candidates, our financial position and  results  of  operations  would  also  be
materially and adversely impacted.

Overall, the degree of future protection for our proprietary rights is uncertain, and we cannot ensure that:

● any issued patents related to PH94B, PH10, AV-101 or any pending patent applications, if issued and challenged by others, will include or maintain claims having a scope
sufficient to protect PH94B, PH10, AV-101 or any other products or product candidates against generic or other competition, particularly considering that any patent rights
to these compounds per se have expired;

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● any of our pending patent applications will issue as patents at all;

● we will be able to successfully commercialize our product candidates, if approved, before our relevant patents expire;

● we were the first to make the inventions covered by each of our patents and pending patent applications;

● we were the first to file patent applications for these inventions;

● others will not develop similar or alternative technologies that do not infringe our patents;

● others will not use pre-existing technology to effectively compete against us;

● any of our patents, if issued, will ultimately be found to be valid and enforceable, including on the basis of prior art relating to our patent applications and patents;

● any  patents  currently  held  or  issued  to  us  in  the  future  will  provide  a  basis  for  an  exclusive  market  for  our  commercially  viable  products,  will  provide  us  with  any

competitive advantages or will not be challenged by third parties;

● we will develop additional proprietary technologies or product candidates that are separately patentable; or

● our commercial activities or products will not infringe upon the patents or proprietary rights of others.

We also rely upon unpatented trade secrets, unpatented know-how and continuing technological innovation to develop and maintain our competitive position, which we seek to
protect,  in  part,  by  confidentiality  agreements  with  our  employees  and  our  collaborators  and  consultants.  It  is  possible  that  technology  relevant  to  our  business  will  be
independently developed by a person that is not a party to such an agreement.  Furthermore, if the employees, collaborators and consultants who are parties to these agreements
breach or violate the terms of these agreements, we may not discover or have adequate remedies for any such breach or violation, and we could lose our trade secrets through
such breaches or violations. Further, our trade secrets could otherwise become known or be independently discovered by our competitors.

Third parties may initiate legal proceedings against us alleging that we infringe their intellectual property rights, which may prevent or delay our product development
efforts and stop us from commercializing candidate products or increase the costs of commercializing them, if approved. Also, we may file counterclaims or initiate other
legal proceedings against third parties to challenge the validity or scope of their intellectual property rights, the outcomes of which also would be uncertain and could have
a material adverse effect on the success of our business.

We cannot assure that our business, product candidates and methods do not or will not infringe the patents or other intellectual property rights of third parties. Third parties may
initiate legal proceedings against us or our licensors or collaborators alleging that we or our licensors or collaborators infringe their intellectual property rights. In addition, we
or our licensors or collaborators may file counterclaims in such proceedings or initiate separate legal proceedings against third parties to challenge the validity or scope of their
intellectual property rights, including in oppositions, interferences, reexaminations, inter partes reviews or derivation proceedings before the United States or other jurisdictions.

Our success will depend in part on our ability to operate without infringing the intellectual property and proprietary rights of third parties. Success also will depend on our ability
to prevail in litigation if we are sued for infringement or to resolve litigation matters with rights and at costs favorable to us.

The pharmaceutical industry is characterized by extensive litigation regarding patents and other intellectual property rights. Other parties may allege that our product candidates
or  the  use  of  our  technologies  infringes  patent  claims  or  other  intellectual  property  rights  held  by  them  or  that  we  are  employing  their  proprietary  technology  without
authorization. As  we  continue  to  develop  and,  if  approved,  commercialize  our  current  product  candidates  and  future  product  candidates,  competitors  may  claim  that  our
technology infringes their intellectual property rights as part of their business strategies designed to impede our successful commercialization. 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 product candidates.
Because  patent  applications  can  take  many  years  to  issue,  third  parties  may  have  currently  pending  patent  applications  that  later  result  in  issued  patents  that  our  product
candidates may infringe, or that such third parties assert are infringed by our technologies.

The foregoing types of proceedings can be expensive and time-consuming and many of our own or our licensors’ or collaborators’ adversaries in these proceedings may have
the  ability  to  dedicate  substantially  greater  resources  to  prosecuting  these  legal  actions  than  we  or  our  licensors  or  collaborators  can.  Our  defense  of  litigation  or  other
proceedings may fail and, even if successful, may result in substantial costs and distract our management and other employees. We may not be able to prevent, alone or with our
licensors, misappropriation of our intellectual property rights, particularly in countries where the laws may not protect those rights as fully as in the United States or European
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The outcome of intellectual property litigation is subject to uncertainties that cannot be adequately quantified in advance. The coverage of patents is subject to interpretation by
the courts, and the interpretation is not always uniform. If we are sued for patent infringement, we would need to demonstrate that our product candidates, products or methods
either  do  not  infringe  the  patent  claims  of  the  relevant  patent  or  that  the  patent  claims  are  invalid,  and  we  may  not  be  able  to  do  this.  Even  if  we  are  successful  in  these
proceedings,  we  may  incur  substantial  costs  and  the  time  and  attention  of  our  management  and  scientific  personnel  could  be  diverted  in  pursuing  these  proceedings,  which
could have a material adverse effect on us. In addition, we may not have sufficient financial resources to bring these actions to a successful conclusion.

An  unfavorable  outcome  in  the  foregoing  kinds  of  proceedings  could  require  us  or  our  licensors  or  collaborators  to  cease  using  the  related  technology  or  developing  or
commercializing our product candidates, 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 or
our licensors or collaborators a license on commercially reasonable terms or at all. Even if we or our licensors or collaborators obtain a license, it may be non-exclusive, thereby
giving our competitors access to the same technologies licensed to us or our licensors or collaborators.

In addition, we could be found liable for monetary damages, including treble damages and attorneys’ fees, if we are found to have willfully infringed a patent. A finding of
infringement could prevent us from commercializing our product candidates or force us to cease some of our business operations, which could materially harm our business.

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.

Patent and other types of intellectual property litigation can involve complex factual and legal questions, and their outcomes are uncertain. Any claim relating to intellectual
property infringement that is successfully asserted against us may require us to pay substantial damages, including treble damages and attorney’s fees if we are found to have
willfully infringed a third party’s patents, for past use of the asserted intellectual property and royalties and other consideration going forward if we are forced to take a license.
In addition, if any such claim is successfully asserted against us and we could not obtain such a license, we may be forced to stop or delay developing, manufacturing, selling or
otherwise commercializing our product candidates.

Patent  litigation  is  costly  and  time-consuming.  We  may  not  have  sufficient  resources  to  bring  these  actions  to  a  successful  conclusion.  Even  if  we  are  successful  in  these
proceedings, we may incur substantial costs and divert management time and attention in pursuing these proceedings, which could have a material adverse effect on us. If we
are unable to avoid infringing the patent rights of others, we may be required to seek a license, defend an infringement action or challenge the validity of the patents in court, or
redesign our products.

In addition, intellectual property litigation or claims could force us to do one or more of the following:

● cease developing, selling or otherwise commercializing our product candidates;

● pay substantial damages for past use of the asserted intellectual property;

● obtain a license from the holder of the asserted intellectual property, which license may not be available on reasonable terms, if at all; and

● in the case of trademark claims, redesign, or rename, some or all of our product candidates to avoid infringing the intellectual property rights of third parties, which may

not be possible and, even if possible, could be costly and time-consuming.

Any of these risks coming to fruition could have a material adverse effect on our business, results of operations, financial condition and prospects.

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

We enter into confidentiality and intellectual property assignment agreements with our employees, consultants, outside scientific collaborators, sponsored researchers and other
advisors. These agreements generally provide that inventions conceived by the party in the course of rendering services to us will be our exclusive property. However, these
agreements  may  not  be  honored  and  may  not  effectively  assign  intellectual  property  rights  to  us.  For  example,  even  if  we  have  a  consulting  agreement  in  place  with  an
academic advisor pursuant to which such academic advisor is required to assign any inventions developed in connection with providing services to us, such academic advisor
may not have the right to assign such inventions to us, as it may conflict with his or her obligations to assign their intellectual property to his or her employing institution.

Litigation  may  be  necessary  to  defend  against  these  and  other  claims  challenging  inventorship  or  ownership.  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.

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

Filing, prosecuting and defending patents on product candidates in all countries and jurisdictions throughout the world is prohibitively expensive, and our intellectual property
rights in some countries outside the U.S. could be less extensive than those in the United States, assuming that rights are obtained in the U.S. 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 U.S. Consequently, we may not be able to prevent third parties
from  practicing  our  inventions  in  all  countries  outside  the  U.S.,  or  from  selling  or  importing  products  made  using  our  inventions  in  and  into  the  United  States  or  other
jurisdictions. The statutory deadlines for pursuing patent protection in individual foreign jurisdictions are based on the priority date of each of our patent applications. For the
pending patent applications relating to AV-101, as well as for other of the patent families that we own or license, the relevant statutory deadlines have not yet expired. Thus, for
each of the patent families that we believe provide coverage for our lead product candidates or technologies, we will need to decide whether and where to pursue protection
outside the U.S.

Competitors may use our technologies in jurisdictions where we do not pursue and obtain patent protection to develop their own products and further, may export otherwise
infringing products to territories where we have patent protection, but enforcement is not as strong as that in the U.S. 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.  Even  if  we  pursue  and  obtain  issued  patents  in  particular
jurisdictions, our patent claims or other intellectual property rights may not be effective or sufficient to prevent third parties from so competing.

The laws of some foreign countries do not protect intellectual property rights to the same extent as the laws of the U.S. Many companies have encountered significant problems
in protecting and defending intellectual property rights in certain foreign jurisdictions. The legal systems of some countries, particularly developing countries, do not favor the
enforcement of patents and other intellectual property protection, especially those relating to biotechnology and pharmaceuticals. This could make it difficult for us to stop the
infringement of our patents, if obtained, or the misappropriation of our other intellectual property rights. For example, many foreign countries have compulsory licensing laws
under which a patent owner must grant licenses to third parties under certain circumstances. In addition, many countries limit the enforceability of patents against third parties,
including  government  agencies  or  government  contractors.  In  these  countries,  patents  may  provide  limited  or  no  benefit.  Patent  protection  must  ultimately  be  sought  on  a
country-by-country basis, which is an expensive and time-consuming process with uncertain outcomes. Accordingly, we may choose not to seek patent protection in certain
countries, and we will not have the benefit of patent protection in such countries.

An unfavorable outcome could require us or our licensors or collaborators to cease using the related technology or developing or commercializing our product candidates, 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 or our licensors or collaborators a license on
commercially reasonable terms or at all. Even if we or our licensors or collaborators obtain a license, it may be non-exclusive, thereby giving our competitors access to the same
technologies licensed to us or our licensors or collaborators. In addition, we could be found liable for monetary damages, including treble damages and attorneys’ fees, if we are
found to have willfully infringed a patent. A finding of infringement could prevent us from commercializing our product candidates or force us to cease some of our business
operations, which could materially harm our business.

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.

Furthermore,  proceedings  to  enforce  our  patent  rights  in  foreign  jurisdictions  could  result  in  substantial  costs  and  divert  our  efforts  and  attention  from  other  aspects  of  our
business, could put our patents at risk of being invalidated or interpreted narrowly, could put 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.

We are dependent, in part, on licensed intellectual property. If we were to lose our rights to licensed intellectual property, we may not be able to continue developing or
commercializing our product candidates, if approved. If we breach any of the agreements under which we license the use, development and commercialization rights to our
product candidates or technology from third parties or, in certain cases, we fail to meet certain development or payment deadlines, we could lose license rights that are
important to our business.

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For our PH10, PH94B and certain stem cell technologies, we are a party to a number of license agreements under which we are granted rights to intellectual properties that are
or could become important to our business, and we expect that we may need to enter into additional license agreements in the future. Our existing license agreements impose,
and we expect that future license agreements will impose on us, various development, regulatory and/or commercial diligence obligations, payment of fees, milestones and/or
royalties and other obligations. If we fail to comply with our obligations under these agreements, or we are subject to a bankruptcy, the licensor may have the right to terminate
the license, in which event we would not be able to develop or market products, which could be covered by the license. Our business could suffer, for example, if any current or
future licenses terminate, if the licensors fail to abide by the terms of the license, if the licensed patents or other rights are found to be invalid or unenforceable, or if we are
unable to enter into necessary licenses on acceptable terms.

As we have done previously, we may need to obtain licenses from third parties to advance our research or allow commercialization of our product candidates, and we cannot
provide any assurances that third-party patents do not exist that might be enforced against our current product candidates or future products in the absence of such a license. We
may  fail  to  obtain  any  of  these  licenses  on  commercially  reasonable  terms,  if  at  all.  Even  if  we  are  able  to  obtain  a  license,  it  may  be  non-exclusive,  thereby  giving  our
competitors  access  to  the  same  technologies  licensed  to  us.  In  that  event,  we  may  be  required  to  expend  significant  time  and  resources  to  develop  or  license  replacement
technology. If we are unable to do so, we may be unable to develop or commercialize the affected product candidates, which could materially harm our business and the third
parties owning such intellectual property rights could seek either an injunction prohibiting our sales, or, with respect to our sales, an obligation on our part to pay royalties
and/or other forms of compensation.

Licensing of intellectual property is of critical importance to our business and involves complex legal, business and scientific issues. Disputes may arise between us and our
licensors regarding intellectual property subject to a license agreement, including:

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

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

● our right to sublicense patent and other rights to third parties under collaborative development relationships;

● our diligence obligations with respect to the use of the licensed technology in relation to our development and commercialization of our product candidates, and what

activities satisfy those diligence obligations; and

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

If disputes over intellectual property that we have licensed prevent or impair our ability to maintain our current licensing arrangements on acceptable terms, we may be unable
to successfully develop and commercialize the affected product candidates.

We have entered into several licenses, both in-license agreements and out-license agreements, to support and leverage our various stem cell technology-related programs. We
may enter into additional license(s) to third-party intellectual property that are necessary or useful to our business. Our current licenses, including the EverInsight Agreement
and the Bayer Agreement, and any future licenses that we may enter into impose various royalty payments, milestone, and other obligations on us. For example, the licensor
may retain control over patent prosecution and maintenance under a license agreement, in which case, we may not be able to adequately influence patent prosecution or prevent
inadvertent lapses of coverage due to failure to pay maintenance fees. If we fail to comply with any of our obligations under a current or future license agreement, our licensor(s)
may allege that we have breached our license agreement and may accordingly seek to terminate our license with them. In addition, future licensor(s) may decide to terminate our
license at will. Termination of any of our current or future licenses could result in our loss of the right to use the licensed intellectual property, which could materially adversely
affect our ability to develop and commercialize a product candidate or product, if approved, as well as harm our competitive business position and our business prospects.

In addition, if our licensors fail to abide by the terms of the license, if the licensors fail to prevent infringement by third parties, if the licensed patents or other rights are found to
be invalid or unenforceable, or if we are unable to enter into necessary licenses on acceptable terms our business could suffer.

Some intellectual property which we have licensed may have been discovered through government funded programs and thus may be subject to federal regulations such as
“march-in”  rights,  certain  reporting  requirements,  and  a  preference  for  U.S.  industry.  Compliance  with  such  regulations  may  limit  our  exclusive  rights,  subject  us  to
expenditure of resources with respect to reporting requirements, and limit our ability to contract with non-U.S. manufacturers.

Some of the intellectual property rights we have licensed or will license in the future may have been generated through the use of U.S. government funding and may therefore
be subject to certain federal regulations. As a result, the U.S. government may have certain rights to intellectual property embodied in our current or future product candidates
pursuant to the Bayh-Dole Act of 1980 (Bayh-Dole Act). These U.S. government rights in certain inventions developed under a government-funded program include a  non-
exclusive, non-transferable, irrevocable worldwide license to use inventions for any governmental purpose.

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In  addition,  the  U.S.  government  has  the  right  to  require  us  to  grant  exclusive,  partially  exclusive,  or  non-exclusive  licenses  to  any  of  these  inventions  to  a  third  party  if  it
determines  that:  (i)  adequate  steps  have  not  been  taken  to  commercialize  the  invention;  (ii)  government  action  is  necessary  to  meet  public  health  or  safety  needs;  or
(iii) government action is necessary to meet requirements for public use under federal regulations (also referred to as “march-in rights”). The U.S. government also has the right
to take title to these inventions if we fail, or the applicable licensor fails, to disclose the invention to the government and fail to file an application to register the intellectual
property within specified time limits. Also, the U.S. government may acquire title to these inventions in any country in which a patent application is not filed within specified
time limits.

Intellectual property generated under a government funded program is further subject to certain reporting requirements, compliance with which may require us, or the applicable
licensor,  to  expend  substantial  resources.  In  addition,  the  U.S.  government  requires  that  any  products  embodying  the  subject  invention  or  produced  through  the  use  of  the
subject invention be manufactured substantially in the U.S. The manufacturing preference requirement can be waived if the owner of the intellectual property can show that
reasonable but unsuccessful efforts have been made to grant licenses on similar terms to potential licensees that would be likely to manufacture substantially in the U.S. or that
under the circumstances domestic manufacture is not commercially feasible. This preference for U.S. manufacturers may limit our ability to contract with non-U.S. product
manufacturers for products covered by such intellectual property.

In the event we apply for additional U.S. government funding, and we discover compounds or drug candidates as a result of such funding, intellectual property rights to such
discoveries may be subject to the applicable provisions of the Bayh-Dole Act.

If  we  do  not  obtain  additional  protection  under  the  Hatch-Waxman  Amendments  and  similar  foreign  legislation  by  extending  the  patent  terms  and  obtaining  data
exclusivity for our product candidates, our business may be materially harmed.

In the U.S., depending upon the timing, duration and specifics of FDA marketing approval of our product candidates, one or more of the U.S. patents we own or license may be
eligible for limited patent term restoration under the Drug Price Competition and Patent Term Restoration Act of 1984, referred to as the Hatch-Waxman Amendments. The
Hatch-Waxman Amendments permit a patent restoration term of up to five years as compensation for patent term lost during product development and the FDA regulatory
review  process.  However,  we  may  not  be  granted  an  extension  because  of,  for  example,  failing  to  apply  within  applicable  deadlines,  failing  to  apply  prior  to  expiration  of
relevant patents or otherwise failing to satisfy applicable requirements. For example, we may not be granted an extension, for example, if the active ingredient of PH94B, PH10
or AV-101 is used in another drug company’s product candidate and that product candidate is the first to obtain FDA approval.

Moreover, the applicable time period or the scope of patent protection afforded could be less than we request. If we are unable to obtain patent term extension or restoration or
the term of any such extension is less than we request, our competitors may obtain approval of competing products following our patent expiration, and our ability to generate
revenues could be materially adversely affected.

Similar kinds of patent term and regulatory and data protection periods are available outside of the U.S. We will pursue such opportunities to extend the exclusivity of our
products, but we cannot predict the availability of such exclusivity pathways or that we will be successful in pursuing them.

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 pharmaceutical and biotechnology companies, our success is heavily dependent on intellectual property, particularly patents. Obtaining and enforcing
patents in the biotechnology industry involve both technological and legal complexity, and is therefore costly, time-consuming and inherently uncertain. In addition, the U.S. in
recent years enacted and is currently implementing wide-ranging patent reform legislation: the Leahy-Smith America Invents Act, referred to as the America Invents Act. The
America Invents Act includes a number of significant changes to U.S. patent law. These include provisions that affect the way patent applications will be prosecuted and may
also affect patent litigation. It is not yet clear what, if any, impact the America Invents Act will have on the operation of our business. However, the America Invents Act and its
implementation could increase the uncertainties and costs surrounding the prosecution of our patent applications and the enforcement or defense of any patents that may issue
from our patent applications, all of which could have a material adverse effect on our business and financial condition.

In addition, 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. The full impact of these decisions is not yet known. For example, on March 20, 2012 in Mayo Collaborative Services, DBA Mayo Medical Laboratories, et
al. v. Prometheus Laboratories, Inc., the Court held that several claims drawn to measuring drug metabolite levels from patient samples and correlating them to drug doses were
not patentable subject matter. The decision appears to impact diagnostics patents that merely apply a law of nature via a series of routine steps and it has created uncertainty
around the ability to obtain patent protection for certain inventions. Additionally, on June 13, 2013 in  Association for Molecular Pathology v. Myriad Genetics, Inc., the Court
held that claims to isolated genomic DNA are not patentable, but claims to complementary DNA molecules are patent eligible because they are not a natural product. The effect
of the decision on patents for other isolated natural products is uncertain.

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Additionally, on March 4, 2014, the USPTO issued a memorandum to patent examiners providing guidance for examining claims that recite laws of nature, natural phenomena
or natural products under the Myriad and Prometheus decisions. This guidance did not limit the application of Myriad to DNA but, rather, applied the decision to other natural
products. Further, in 2015, in Ariosa Diagnostics, Inc. v. Sequenom, Inc., the Court of Appeals for the Federal Circuit held that methods for detecting fetal genetic defects were
not  patent  eligible  subject  matter.  Other  more  recent  court  decisions  and  related  USPTO  examination  guidelines  must  be  taken  into  account,  particularly  as  they  relate  to
changes in what types of inventions are eligible for patent protection. Foreign patent and intellectual property laws also are evolving and are not predictable as to their impact on
the Company and other biopharmaceutical companies.

In addition to increasing uncertainty regarding our ability to obtain future patents, this combination of events has created uncertainty with respect to the value of patents, once
obtained.  Depending  on  these  and  other  decisions  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 any patents that may issue in the future.

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

Certain of our current employees have been, and certain of our future employees may have been, previously employed at other biotechnology or pharmaceutical companies,
including our competitors or potential competitors. We also engage advisors and consultants who are concurrently employed at universities or who perform services for other
entities.

Although  we  are  not  aware  of  any  claims  currently  pending  or  threatened  against  us,  we  may  be  subject  to  claims  that  we  or  our  employees,  advisors  or  consultants  have
inadvertently or otherwise used or disclosed intellectual property, including trade secrets or other proprietary information, of a former employer or other third party. We have
and may in the future also be subject to claims that an employee, advisor or consultant performed work for us that conflicts with that person’s obligations to a third party, such
as an employer, and thus, that the third party has an ownership interest in the intellectual property arising out of work performed for us. Litigation may be necessary to defend
against these claims. Even if we are successful in defending against these claims, litigation could result in substantial costs and be a distraction to management. If we fail in
defending such claims, in addition to paying monetary claims, we may lose valuable intellectual property rights or personnel. A loss of key personnel or their work product
could hamper or prevent our ability to commercialize our product candidates, which would materially adversely affect our commercial development efforts.

Numerous factors may limit any potential competitive advantage provided by our intellectual property rights.

The degree of future protection afforded by our intellectual property rights is uncertain because intellectual property rights have limitations, and may not adequately protect our
business,  provide  a  barrier  to  entry  against  our  competitors  or  potential  competitors,  or  permit  us  to  maintain  our  competitive  advantage.  Moreover,  if  a  third  party  has
intellectual property rights that cover the practice of our technology, we may not be able to fully exercise or extract value from our intellectual property rights. The following
examples are illustrative:

● others may be able to develop and/or practice technology that is similar to our technology or aspects of our technology but that is not covered by the claims of patents,

should such patents issue from our patent applications;

● we might not have been the first to make the inventions covered by a pending patent application that we own;

● we might not have been the first to file patent applications covering an invention;

● others may independently develop similar or alternative technologies without infringing our intellectual property rights;

● pending patent applications that we own or license may not lead to issued patents;

● patents, if issued, that we own or license may not provide us with any competitive advantages, or may be held invalid or unenforceable or be narrowed, as a result of legal

challenges by our competitors;

● third parties may compete with us in jurisdictions where we do not pursue and obtain patent protection;

● we may not be able to obtain and/or maintain necessary or useful licenses on reasonable terms or at all; and

● the patents of others may have an adverse effect on our business.

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Should any of these events occur, they could significantly harm our business and results of operations.

With regard to our stem cell technology, if, instead of identifying DR candidates based on information available to us in the public domain, we seek to in-license DR candidates
from biotechnology, medicinal chemistry and pharmaceutical companies, academic, governmental and nonprofit research institutions, including the NIH, or other third parties,
there can be no assurances that we will obtain material ownership or economic participation rights over intellectual property we may derive from such licenses or similar rights
to the DR NCEs that we may produce and develop. If we are unable to obtain ownership or substantial economic participation rights over intellectual property related to DR
NCEs we produce and develop, our DR business may be adversely affected.

Risks Related to our Securities

If we fail to comply with the continued listing requirements of the Nasdaq Capital Market, our common stock may be delisted and the price of our common stock and our
ability to access the capital markets could be negatively impacted.

On  January  31,  2020,  we  were  notified  by  the  Nasdaq  Stock  Market,  LLC  (Nasdaq)  that  we  were  not  in  compliance  with  the  minimum  bid  price  requirements  set  forth
in Nasdaq Listing Rule 5550(a)(2) for continued listing on the Nasdaq Capital Market. Nasdaq Listing Rule 5550(a)(2) requires listed securities to maintain a minimum bid
price of $1.00 per share, and Nasdaq Listing Rule 5810(c)(3)(A) provides that a failure to meet the minimum bid price requirement exists if the deficiency continues for a period
of 30 consecutive business days. The notification provided that we had 180 calendar days, or until July 29, 2020, to regain compliance with Nasdaq Listing Rule 5550(a)(2) (the
Bid Price Rule). To regain compliance, the bid price of our common stock must have a closing bid price of at least $1.00 per share for a minimum of 10 consecutive business
days.

In addition, on March 30, 2020, we were notified by Nasdaq that we were not in compliance with Nasdaq Listing Rule 5550(b)(2) (the MVLS Rule) for continued listing on the
Nasdaq Capital Market, as the market value of our listed securities was less than $35 million for the previous 30 consecutive business days. Under Nasdaq Listing Rule 5810(c)
(3)(C), we have a period of 180 calendar days, or until September 28, 2020, to regain compliance with the MVLS Rule. To regain compliance, during this 180-day compliance
period, the market value of our listed securities must be $35 million or more for a minimum of 10 consecutive business days.

On April 17, 2020, in response to the extraordinary market conditions caused by the COVID-19 pandemic, Nasdaq instituted a longer period of time for companies such as ours
to regain compliance with certain continued listing requirements, including the Bid Price Rule. As a result, we now have until October 12, 2020 to regain compliance with the
Bid Price Rule and the deadline to regain compliance with the MVLS Rule remains unchanged. If we do not regain compliance with the Bid Price Rule by October 12, 2020, an
additional  180  days  may  be  granted  to  regain  compliance,  so  long  as  we  meet  the  Nasdaq  Capital  Market  continued  listing  requirements  (including  the  MVLS  Rule)  and
notify Nasdaq in writing of our intention to cure the deficiency during the second compliance period. If we do not qualify for the second compliance period or fail to regain
compliance during the second 180-day period, then Nasdaq will notify us of its determination to delist our common stock, at which point we will have an opportunity to appeal
the delisting determination to a hearings panel.

No  assurance  can  be  given  that  we  will  meet  applicable  Nasdaq  continued  listing  standards.  Failure  to  meet  applicable  Nasdaq  continued  listing  standards  could  result  in  a
delisting of our common stock, which could materially reduce the liquidity of our common stock and result in a corresponding material reduction in the price of our common
stock. In addition, delisting could harm our ability to raise capital through alternative financing sources on terms acceptable to us, or at all, and may result in the inability to
advance our drug development programs, potential loss of confidence by investors and employees, and fewer business development opportunities.

Market volatility may affect our stock price and the value of your investment.

The market price for our common stock, similar to other biopharmaceutical companies, is likely to be highly volatile. The market price of our common stock may fluctuate
significantly in response to a number of factors, most of which we cannot control, including, among others:

● volatility resulting from uncertainty and general ecomnic conditions caused by the ongoing COVID-19 pandemic;

● plans for, progress of or results from nonclinical and clinical development activities related to our product candidates;

● the failure of the FDA or other regulatory authority to approve our product candidates;

● announcements of new products, technologies, commercial relationships, acquisitions or other events by us or our competitors;

● the success or failure of other CNS therapies;

● regulatory or legal developments in the U.S. and other countries;

● announcements regarding our intellectual property portfolio;

● failure of our product candidates, if approved, to achieve commercial success;

● fluctuations in stock market prices and trading volumes of similar companies;

● general market conditions and overall fluctuations in U.S. equity markets;

● variations in our quarterly operating results;

● changes in our financial guidance or securities analysts’ estimates of our financial performance;

● changes in accounting principles;

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● our ability to raise additional capital and the terms on which we can raise it;

● sales or purchases of large blocks of our common stock, including sales or purchases by our executive officers, directors and significant stockholders;

● establishment of short positions by holders or non-holders of our stock or warrants;

● additions or departures of key personnel;

● discussion of us or our stock price by the press and by online investor communities; and

● other risks and uncertainties described in these risk factors.

Future sales and issuances of our common stock may cause our stock price to decline.

Sales or issuances of a substantial number of shares of our common stock in the public market, or the perception that such sales or issuances are occurring or might occur, could
significantly reduce the market price of our common stock and impair our ability to raise adequate capital through the sale of additional equity securities.

The stock market in general, and small biopharmaceutical companies like ours in particular, have frequently experienced significant volatility in the market prices for securities
that often has been unrelated to the operating performance of the underlying companies. These broad market and industry fluctuations may adversely affect the market price of
our  common  stock,  regardless  of  our  actual  operating  performance.  In  certain  situations  in  which  the  market  price  of  a  stock  has  been  volatile,  holders  of  that  stock  have
instituted securities class action litigation against the company that issued the stock. If any of our stockholders were to bring a lawsuit against us, the defense and disposition of
the  lawsuit  could  be  costly  and  divert  the  time  and  attention  of  our  management  and  harm  our  operating  results. Additionally,  if  the  trading  volume  of  our  common  stock
remains low and limited there will be an increased level of volatility and you may not be able to generate a return on your investment.

A  portion  of  our  total  outstanding  shares  are  restricted  from  immediate  resale  but  may  be  sold  into  the  market  in  the  near  future.  Future  sales  of  shares  by  existing
stockholders could cause our stock price to decline, even if our business is doing well.

Sales of a substantial number of shares of our common stock in the public market could occur at any time. These sales, or the perception in the market that the holders of a large
number of shares intend to sell shares, could reduce the market price of our common stock. Historically, there has been a limited public market for shares of our common stock.
Future sales and issuances of a substantial number of shares of our common stock in the public market, including shares issued upon the conversion of our Series A Preferred,
Series B Preferred or Series C Preferred, and the exercise of outstanding options and warrants for common stock which are issuable upon exercise, in the public market, or the
perception that these sales and issuances are occurring or might occur, could significantly reduce the market price for our common stock and impair our ability to raise adequate
capital through the sale of equity securities.

A limited number of institutional stockholders could limit your ability to influence the outcome of key transactions, including changes in control.

A limited number of institutional stockholders own a substantial portion of our outstanding preferred stock, consisting of shares of our Series A Preferred, Series B Preferred,
and Series C Preferred, all of which is convertible, at the option of the holders (but subject to certain beneficial ownership restrictions), into a substantial number of shares of
our common stock.  Accordingly, should a few of these institutional holders convert their shares of preferred stock into common stock, such stockholders may exert influence
over  us  and  over  the  outcome  of  any  corporate  actions  requiring  approval  of  holders  of  our  common  stock,  including  the  election  of  directors  and  amendments  to  our
organizational documents, such as increases in our authorized shares of common stock, any merger, consolidation or sale of all or substantially all of our assets or any other
significant corporate transactions. These stockholders may also delay or prevent a change of control of the Company, even if such a change of control is approved by our Board
and  would  benefit  our  other  stockholders.  Furthermore,  the  interests  of  such  institutional  stockholders  may  not  always  coincide  with  your  interests  or  the  interests  of  other
common stockholders and an institutional holder may act in a manner that advances its best interests and not necessarily those of other stockholders.

If equity research analysts do not publish research or reports about our business or if they issue unfavorable commentary or downgrade our common stock, the price of our
common stock could decline.

The trading market for our common stock relies in part on the research and reports that equity research analysts publish about us and our business. We do not control these
analysts.  The  price  of  our  common  stock  could  decline  if  one  or  more  equity  research  analysts  downgrade  our  common  stock  or  if  such  analysts  issue  other  unfavorable
commentary or cease publishing reports about us or our business.

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There may be additional issuances of shares of preferred stock in the future.

Our Restated Articles of Incorporation, as amended (the Articles), permit us to issue up to 10.0 million shares of preferred stock. Our Board has authorized the issuance of (i)
500,000 shares of Series A Preferred, all of which shares are issued and outstanding at March 31, 2020; (ii) 4.0 million shares of Series B 10% Convertible Preferred stock, of
which  approximately  1.2  million  shares  remain  issued  and  outstanding  at  March  31,  2020;  and  (iii)  3.0  million  shares  of  Series  C  Convertible  Preferred  Stock,  of  which
approximately 2.3 million shares are issued and outstanding at March 31, 2020. Our Board could authorize the issuance of additional series of preferred stock in the future and
such  preferred  stock  could  grant  holders  preferred  rights  to  our  assets  upon  liquidation,  the  right  to  receive  dividends  before  dividends  would  be  declared  to  holders  of  our
common stock, and the right to the redemption of such shares, possibly together with a premium, prior to the redemption of the common stock. In the event and to the extent that
we  do  issue  additional  preferred  stock  in  the  future,  the  rights  of  holders  of  our  common  stock  could  be  impaired  thereby,  including  without  limitation,  with  respect  to
liquidation.

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

We have never declared or paid any cash dividend on our common stock and do not currently intend to do so in the foreseeable future. We currently anticipate that we will
retain  future  earnings  for  the  development,  operation  and  expansion  of  our  business  and  do  not  anticipate  declaring  or  paying  any  cash  dividends  in  the  foreseeable  future.
Therefore, the success of an investment in shares of our common stock will depend upon any future appreciation in their value. There is no guarantee that shares of our common
stock will appreciate in value or even maintain the price at which our stockholders purchased them.

We incur significant costs to ensure compliance with corporate governance, federal securities law and accounting requirements.

We are subject to the reporting requirements of the Securities Exchange Act of 1934, as amended ( Exchange Act), which requires that we file annual, quarterly and current
reports with respect to our business and financial condition, and the rules and regulations implemented by the SEC, the Sarbanes-Oxley Act of 2002, the Dodd-Frank Act, and
the Public Company Accounting Oversight Board, each of which imposes additional reporting and other obligations on public companies.  We have incurred and will continue
to  incur  significant  costs  to  comply  with  these  public  company  reporting  requirements,  including  accounting  and  related  audit  costs,  legal  costs  to  comply  with  corporate
governance requirements and other costs of operating as a public company. These legal and financial compliance costs will continue to require us to divert a significant amount
of resources that we could otherwise use to achieve our research and development and other strategic objectives.

The filing and internal control reporting requirements imposed by federal securities laws, rules and regulations on companies that are not “smaller reporting companies” under
federal securities laws are rigorous and, once we are no longer a smaller reporting company, we may not be able to meet them, resulting in a possible decline in the price of our
common stock and our inability to obtain future financing. Certain of these requirements may require us to carry out activities we have not done previously and complying with
such requirements may divert management’s attention from other business concerns, which could have a material adverse effect on our business, results of operations, financial
condition and cash flows. Any failure to adequately comply with applicable federal securities laws, rules or regulations could subject us to fines or regulatory actions, which
may materially adversely affect our business, results of operations and financial condition.

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  will  continue  to  invest
resources to comply with evolving laws, regulations and standards, however 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 their application and practice, regulatory authorities may initiate legal proceedings against us
and our business may be adversely affected.

Item 1B.  Unresolved Staff Comments

The disclosures in this section are not required since we qualify as a smaller reporting company.

Item 2.  Properties

Our corporate headquarters and laboratories are located at 343 Allerton Avenue, South San Francisco, California 94080, where we occupy approximately 10,900 square feet of
office and lab space under a lease expiring on July 31, 2022. We believe that our facilities are suitable and adequate for our current and foreseeable needs.

Item 3.  Legal Proceedings

None.

Item 4.  Mine Safety Disclosures

Not applicable.

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Item 5.  Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

Market Information

PART II

Our common stock was approved for listing and has traded since May 11, 2016 on The Nasdaq Capital Market under the symbol “VTGN”. From June 21, 2011 through May
10, 2016, our common stock traded on the OTC Marketplace, under the symbol “VSTA”.  There was no established trading market for our common stock prior to June 21,
2011.

Shown below is the range of high and low sales prices for our common stock for the periods indicated as reported by the Nasdaq Capital Market. The market quotations reflect
inter-dealer prices, without retail mark-up, mark-down or commissions and may not necessarily represent actual transactions.  

Year Ended March 31, 2020
First quarter ended June 30, 2019
Second quarter ended September 30, 2019
Third quarter ended December 31, 2019
Fourth quarter ended March 31, 2020

Year Ended March 31, 2019
First quarter ended June 30, 2018
Second quarter ended September 30, 2018
Third quarter ended December 31, 2018
Fourth quarter ended March 31, 2019

High

Low

  $
  $
  $
  $

  $
  $
  $
  $

1.35 
1.32 
1.49 
0.90 

1.76 
1.53 
2.44 
1.86 

  $
  $
  $
  $

  $
  $
  $
  $

0.52 
0.38 
0.29 
0.30 

0.81 
1.20 
1.26 
1.05 

On June 26, 2020 the closing price of our common stock on the Nasdaq Capital Market was $0.5191 per share.

As of June 26, 2020, we had  55,773,682 shares of common stock outstanding and approximately 7,000 stockholders of record.  On the same date, two stockholders held all
500,000  outstanding  restricted  shares  of  our  Series A  Preferred  Stock,  which  shares  are  convertible  into  750,000  shares  of  common  stock;  two  stockholders  held  1,160,240
outstanding  shares  of  our  Series  B  10%  Convertible  Preferred  Stock  (Series  B  Preferred),  which  shares  are  convertible  into  1,160,240  shares  of  common  stock,  excluding
shares  of  our  common  stock  which  may  be  issued  in  payment  of  accrued  dividends  upon  conversion  of  the  Series  B  Preferred;  and  one  stockholder  held  all  2,318,012
outstanding shares of our Series C Preferred stock, which shares are convertible into 2,318,012 shares of common stock.

Dividend Policy

We  have  never  paid  or  declared  any  cash  dividends  on  our  common  stock,  and  we  do  not  anticipate  paying  any  cash  dividends  on  our  common  stock  in  the  foreseeable
future. Our Series B Preferred accrues dividends at a rate of 10% per annum, which dividends are payable solely in unregistered shares of our common stock at the time the
Series B Preferred is converted into common stock.

Recent Sales of Unregistered Securities

We have issued the following securities in private placement transactions which were not registered under the Securities Act of 1933, as amended ( Securities Act), and that have
not been previously reported in a Quarterly Report on Form 10-Q or a Current Report on Form 8-K:

In April 2020, in a self-directed private placement, we sold to an accredited investor units to purchase an aggregate of 125,000 unregistered shares of our common stock and
four-year warrants to purchase 125,000 shares of our common stock at an exercise price of $0.50 per share and we received cash proceeds of $50,000 (the Spring 2020 Private
Placement). The shares of common stock and warrants offered and sold as a part of the Spring 2020 Private Placement were issued in private placement transactions exempt
from registration under the Securities Act, in reliance on Section 4(2) thereof and Rule 506 of Regulation D promulgated thereunder. The Company expects to use the proceeds
from the Spring 2020 Private Placement for general working capital.

On June 24, 2020, we issued 233,645 unregistered shares of our common stock having a fair value of $125,000 to an accredited investor as partial compenssation under the
terms  of  a  consulting  contract  in  connection  with  the  execution  of  the  EverInsight Agreement.  The  shares  of  common  stock  were  issued  in  a  private  placement  transaction
exempt from registration under the Securities Act, in reliance on Section 4(2) thereof and Rule 506 of Regulation D promulgated thereunder.

Item 6.  Selected Financial Data

The disclosures in this section are not required because we qualify as a smaller reporting company under federal securities laws.

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

Cautionary Note Regarding Forward-Looking Statements

This Annual Report on Form 10-K (Annual Report) includes forward-looking statements. All statements contained in this Annual Report other than statements of historical fact,
including statements regarding our future results of operations and financial position, our business strategy and plans, and our objectives for future operations, are forward-
looking statements. The words “believe,” “may,” “estimate,” “continue,” “anticipate,” “intend,” “expect” and similar expressions are intended to identify forward-looking
statements. We have based these forward- looking statements largely on our current expectations and projections about future events and trends that we believe may affect our
financial  condition,  results  of  operations,  business  strategy,  short-term  and  long-term  business  operations  and  objectives,  and  financial  needs.  These  forward-looking
statements  are  subject  to  a  number  of  risks,  uncertainties  and  assumptions.  Our  business  is  subject  to  significant  risks  including,  but  not  limited  to,  our  ability  to  obtain
additional financing, the results of our research and development efforts, the results of nonclinical and clinical testing, the effect of regulation by the United States Food and
Drug Administration (FDA) and other agencies, the impact of competitive products, product development, commercialization and technological difficulties, the effect of our
accounting  policies,  and  other  risks  as  detailed  in  the  section  entitled  “Risk  Factors”  in  this  Annual  Report.    Further,  even  if  our  product  candidates  appear  promising  at
various  stages  of  development,  our  share  price  may  decrease  such  that  we  are  unable  to  raise  additional  capital  without  significant  dilution  or  other  terms  that  may  be
unacceptable to our management, Board of Directors and stockholders.

Moreover, we operate in a very competitive and rapidly changing environment. New risks emerge from time to time. It is not possible for our management or Board to predict
all risks, 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  we  may  make.  In  light  of  these  risks,  uncertainties  and  assumptions,  the  future  events  and  trends  discussed  in  this
Annual Report may not occur and actual results could differ materially and adversely from those anticipated or implied in the forward-looking statements.

You  should  not  rely  upon  forward-looking  statements  as  predictions  of  future  events.  The  events  and  circumstances  reflected  in  the  forward-looking  statements  may  not  be
achieved or occur. Although we believe that the expectations reflected in the forward-looking statements are reasonable, we cannot guarantee future results, levels of activity,
performance or achievements. We are under no duty to update any of these forward-looking statements after the date of this Annual Report or to conform these statements to
actual results or revised expectations. If we do update one or more forward-looking statements, no inference should be drawn that we will make additional updates with respect
to those or other forward-looking statements.

Business Overview

We are a multi-asset, clinical-stage biopharmaceutical company committed to developing differentiated new generation medications for anxiety, depression and other central
nervous system (CNS) diseases and disorders with high unmet need. Our pipeline includes three clinical-stage CNS drug candidates, each with a differentiated mechanism of
action, an exceptional safety profile in all clinical studies to date, and therapeutic potential in multiple CNS markets. We aim to become a fully-integrated biopharmaceutical
company that develops and commercializes innovative CNS therapies for large and growing mental health and neurology markets where current treatments are inadequate to
meet the needs of millions of patients and caregivers worldwide.

PH94B Neuroactive Nasal Spray for Anxiety-related Disorders

PH94B  neuroactive  nasal  spray  is  an  odorless,  first-in-class,  fast-acting  synthetic  neurosteroid  with  therapeutic  potential  in  a  wide  range  of  neuropsychiatric  indications
involving anxiety or phobia. Conveniently self-administered in microgram doses without systemic exposure, we are initially developing PH94B as a potential fast-acting, non-
sedating, non-addictive new generation treatment of social anxiety disorder (SAD). SAD affects over 20 million Americans and, according to the National Institutes of Health
(NIH), is the third most common psychiatric condition after depression and substance abuse. A person with SAD feels symptoms of anxiety or fear in certain social situations,
such as meeting new people, dating, being on a job interview, answering a question in class, or having to talk to a cashier in a store. Doing everyday things in front of people -
such as eating or drinking in front of others or using a public restroom - also causes anxiety or fear. A person with SAD is afraid that he or she will be humiliated, judged, and
rejected.  The fear that people with SAD have in social situations is so strong that they feel it is beyond their ability to control. As a result, SAD gets in the way of going to
work, attending school, or doing everyday things in situations with potential for interpersonal interaction. People with SAD may worry about these and other things for weeks
before they happen. Sometimes, they end up staying away from places or events where they think they might have to do something that will embarrass or humiliate them. 
Some  people  with  SAD  have  performance  anxiety.  They  feel  physical  symptoms  of  fear  and  anxiety  in  performance  situations,  such  as  giving  a  lecture,  a  speech  or  a
presentation at school or work, as well as playing a sports game, or dancing or playing a musical instrument on stage.  Without treatment, SAD can last for many years or a
lifetime and prevent a person from reaching his or her full potential.

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Only three drugs, all oral antidepressants (ADs), are approved by the U.S Food and Drug Administration (FDA) specifically for treatment of SAD. These FDA-approved chronic
ADs have slow onset of therapeutic effect (often taking many weeks to months) and significant side effects (often beginning soon after administration). Slow onset of effect,
chronic administration and significant side effects may make the FDA-approved ADs inadequate or inappropriate treatment alternatives for many individuals affected by SAD
episodically. VistaGen’s PH94B is fundamentally differentiated from all current anxiolytics, including all ADs  approved  by  the  FDA  for  treatment  of  SAD.  Intranasal  self-
administration of only approximately 3.2 micrograms of PH94B binds to nasal chemosensory receptors that, in turn, activate key neural circuits in the brain that lead to rapid
suppression of fear and anxiety. In Phase 2 and pilot Phase 3 clinical studies to date, PH94B has not shown psychological side effects (such as dissociation or hallucinations),
systemic  exposure,  sedation  or  other  side  effects  and  safety  concerns  that  may  be  caused  by  the  current ADs  approved  by  the  FDA  for  treatment  of  SAD,  as  well  as  by
benzodiazepines and beta blockers, which are not approved by the FDA to treat SAD but which may be prescribed by psychiatrists and physicians for treatment of SAD on an
off-label basis.

In a peer-reviewed, published double-blind, placebo-controlled Phase 2 clinical trial, PH94B neuroactive nasal spray was significantly more effective than placebo in reducing
both  public-speaking  (performance)  anxiety  (p=0.002)  and  social  interaction  anxiety  (p=0.009)  in  laboratory  challenges  of  individuals  with  SAD  within  15  minutes  of  self-
administration of a non-systemic 1.6 microgram dose of PH94B.  Based on its novel mechanism of pharmacological action, rapid-onset of therapeutic effects and exceptional
safety and tolerability profile in Phase 2 and pilot Phase 3 clinical trials to date, we are preparing for Phase 3 clinical development of PH94B for treatment of SAD in adults. Our
goal  is  to  develop  and  commercialize  PH94B  as  the  first  FDA-approved,  fast-acting,  on-demand,  at-home  treatment  for  SAD.  Additional  potential  anxiety-related
neuropsychiatric indications for PH94B include general anxiety disorder, peripartum anxiety (pre- and post-partum anxiety), preoperative or pre-testing (e.g., pre-MRI) anxiety,
panic disorder, post-traumatic stress disorder and specific social phobias.  The FDA has granted Fast Track designation for development of our PH94B neuroactive nasal spray
for on-demand treatment of SAD, the FDA’s first such designation for a drug candidate for SAD.

In addition to development of PH94B as a potential treatment for SAD, in April 2020, we announced plans to expand clinical development of PH94B to include treatment of
adjustment disorder, an emotional or behavioral reaction considered excessive or out of proportion to a stressful event or major life change, occurring within three months of the
stressor, and/or significantly impairing a person’s social, occupational and/or other important areas of functioning. We plan to submit our proposed protocol for an exploratory
Phase 2a study of PH94B for treatment of adjustment disorder with anxiety due to stressors related to the COVID-19 pandemic to the FDA through the Coronavirus Treatment
Acceleration Program (CTAP). The proposed Phase 2 study will be conducted in New York City on an open-label basis and involve approximately 30 subjects suffering from
adjustment disorder with anxiety from stressors related to the pandemic.

PH10 Neuroactive Nasal Spray for Depression and Suicidal Ideation

PH10 neuroactive nasal spray is an odorless, fast-acting synthetic neurosteroid with therapeutic potential in a wide range of neuropsychiatric indications involving depression
and suicidal ideation. Conveniently self-administered in microgram doses without systemic exposure, we are initially developing PH94B as a potential fast-acting, non-sedating,
non-addictive new generation treatment of major depressive disorder (MDD).

Depression is a serious medical illness and a global public health concern that can occur at any time over a person's life. While most people will experience depressed mood at
some point during their lifetime, MDD is different. MDD is the chronic, pervasive feeling of utter unhappiness and suffering, which impairs daily functioning. Symptoms of
MDD include diminished pleasure or loss of interest in activities, changes in appetite that result in weight changes, insomnia or oversleeping, psychomotor agitation, loss of
energy or increased fatigue, feelings of worthlessness or inappropriate guilt, difficulty thinking, concentrating or making decisions, and thoughts of death or suicide and attempts
at  suicide.  Current  FDA-approved  medications  available  in  the  multi-billion-dollar  global AD  market  often  fall  far  short  of  satisfying  the  unmet  medical  needs  of  millions
suffering from the debilitating effects of depression.  

While current FDA-approved ADs are widely used, about two-thirds of patients with MDD do not respond to their initial AD treatment. Inadequate response to current ADs is
among the key reasons MDD is one of the leading public health concerns in the United States, creating a significant unmet medical need for new agents with fundamentally
different mechanisms of action and side effect and safety profiles.

PH10 is a new generation antidepressant with a mechanism of action that is fundamentally different from all current ADs. After self-administration, a non-systemic microgram-
level dose of PH10 binds to nasal chemosensory receptors that, in turn, activate key neural circuits in the brain that can lead to rapid-onset antidepressant effects, but without the
psychological side effects (such as dissociation and hallucinations) or safety concerns that maybe be caused by ketamine-based therapy (KBT), including intravenous ketamine
or  esketamine  nasal  spray,  or  the  significant  side  effects  of  current  ADs.  In  an  exploratory  30-patient  Phase  2a  clinical  trial,  PH10,  self-administered  at  a  dose  of  6.4
micrograms,  was  well-tolerated  and  demonstrated  significant  (p=0.022)  rapid-onset  antidepressant  effects,  which  were  sustained  over  an  8-week  period,  as  measured  by  the
Hamilton Depression Rating Scale (HAM-D), without side effects or safety concerns that may be caused by KBT. Based on positive results from this exploratory Phase 2a
study, we are preparing for Phase 2b clinical development of PH10 in MDD. With its exceptional safety profile during clinical development to date, we believe PH10, as a
convenient at-home therapy, has potential for multiple applications in global depression markets, including as a stand-alone front-line therapy for MDD, as an add-on therapy to
augment current FDA-approved ADs for patients with MDD who have an inadequate response to standard ADs, and to prevent relapse following successful treatment with
KBT.

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AV-101, an Oral NMDA Receptor Antagonist

AV-101  (4-Cl-KYN)  targets  the  NMDAR  (N-methyl-D-aspartate  receptor),  an  ionotropic  glutamate  receptor  in  the  brain. Abnormal  NMDAR  function  is  associated  with
numerous CNS diseases and disorders. AV-101 is an oral prodrug of 7-chloro-kynurenic acid (7-Cl-KYNA), which is a potent and selective full antagonist of the glycine co-
agonist site of the NMDAR that inhibits the function of the NMDAR. Unlike ketamine and many other NMDAR antagonists, 7-Cl-KYNA is not an ion channel blocker. In all
studies to date, AV-101 has exhibited no dissociative or hallucinogenic psychological side effects or safety concerns similar to those that may be caused by amantadine and
KBT. With its exceptionally few side effects and excellent safety profile, AV-101 has potential to be a differentiated oral, new generation treatment for multiple large-market
CNS indications where current treatments are inadequate to meet high unmet patient needs. The FDA has granted Fast Track designation for development of AV-101 as both a
potential adjunctive treatment for MDD and as a non-opioid treatment for neuropathic pain.

We  recently  completed  a  double-blind,  placebo-controlled,  multi-center  Phase  2  clinical  trial  of AV-101  as  a  potential  adjunctive  treatment,  together  with  a  standard  FDA-
approved  oral AD  (either  a  selective  serotonin  reuptake  inhibitor  (SSRI)  or  a  serotonin  norepinephrine  reuptake  inhibitor  (SNRI)),  in  MDD  patients  who  had  an  inadequate
response  to  a  stable  dose  of  a  standard AD  (the  Elevate Study). Topline  results  of  the  Elevate  Study  (n=199)  indicated  that  the AV-101  treatment  arm  (1440  mg)  did  not
differentiate from placebo on the primary endpoint (change in the Montgomery-Åsberg Depression Rating Scale (MADRS-10) total score compared to baseline), potentially due
to  sub-therapeutic  levels  of  7-Cl-KYNA  in  the  brain. As  in  prior  clinical  studies, AV-101  was  well  tolerated,  with  no  psychotomimetic  side  effects  or  drug-related  serious
adverse events.

Recent  discoveries  from  successful AV-101  preclinical  studies  suggest  that  there  is  a  substantially  increased  brain  concentration  of AV-101  and  its  active  metabolite,  7-Cl-
KYNA, when AV-101 is given together with probenecid, a safe and well-known oral anion transport inhibitor used to treat gout. These surprising effects were first revealed in
our recent preclinical studies, although they are consistent with well-documented clinical studies of probenecid increasing the therapeutic benefits of several unrelated classes of
approved drugs, including certain antibacterial, anticancer and antiviral drugs. When probenecid was administered adjunctively with AV-101 in an animal model, substantially
increased brain concentrations of both AV-101 (7-fold) and of 7-Cl-KYNA (35-fold) were discovered.  We also recently identified that some of the same kidney transporters
that  reduce  drug  concentrations  in  the  blood,  by  excretion  in  the  urine,  are  also  found  in  the  blood  brain  barrier  and  function  to  reduce  7-Cl-KYNA  levels  in  the  brain  by
pumping it out of the brain and back into the blood. In the recent preclinical studies with AV-101 and probenecid, we discovered that blocking those transporters in the blood
brain barrier with probenecid resulted, as noted above, in a substantially increased brain concentration of 7-Cl-KYNA. This 7-Cl-KYNA efflux-blocking effect of probenecid,
with the resulting increased brain levels and duration of 7-Cl-KYNA, suggests the potential impact of AV-101 with probenecid could result in far more profound therapeutic
benefits for patients with MDD and other NMDAR-focused CNS diseases and disorders than demonstrated in the Elevate Study. Some of the new discoveries from our recent
AV-101  preclinical  studies  with  adjunctive  probenecid  were  presented  by  a  collaborator  of  VistaGen  at  the  British  Pharmacological  Society’s  Pharmacology  2019  annual
conference in Edinburgh, UK in December 2019.

In addition, a Phase 1b target engagement study completed after the Elevate Study by the Baylor College of Medicine (Baylor) with financial support from the U.S. Department
of  Veterans Affairs  ( VA),  involved  10  healthy  volunteer  U.S.  military  Veterans  who  received  single  doses  of AV-101  (720  mg  or  1440  mg)  or  placebo,  in  a  double-blind,
randomized,  cross-over  controlled  trial.  The  primary  goal  of  the  study  was  to  identify  and  define  a  dose-response  relationship  between  AV-101  and  multiple
electrophysiological (EEG) biomarkers related to NMDAR function, as well as blood biomarkers associated with suicidality (the Baylor Study). The findings from the Baylor
Study suggest that, in healthy Veterans, the higher dose of AV-101 (1440 mg) was associated with dose-related increase in the 40 Hz Auditory Steady State Response ( ASSR), a
robust measure of the integrity of inhibitory interneuron synchronization that is associated with NMDAR inhibition. Findings from the successful Baylor Study were presented
at the 58th Annual Meeting of the American College of Neuropsychopharmacology (ACNP) in Orlando, Florida in December 2019.

The  successful  Baylor  Study  and  the  recent  discoveries  in  our  preclinical  studies  involving AV-101  and  adjunctive  probenecid  suggest  that  it  may  be  possible  to  increase
therapeutic  concentrations  and  duration  of  7-Cl-KYNA  in  the  brain,  and  thus  increase  NMDAR  antagonism  in  MDD  patients  with  an  inadequate  response  to  standard ADs
when AV-101  and  probenecid  are  combined.  During  2020,  we  plan  to  conduct  additional AV-101  preclinical  studies  with  adjunctive  probenecid  to  evaluate  its  potential
applicability to MDD, suicidal ideation and other NMDAR-focused CNS indications for which we  have  existing  preclinical  data  with AV-101  as  a  monotherapy,  including
epilepsy, levodopa-induced dyskinesia, and neuropathic pain, to determine the most appropriate path forward for potential future clinical development and commercialization of
AV-101.

VistaStem Therapeutics – Stem Cell Technology for Drug Rescue and Regenerative Medicine

In addition to our current CNS drug candidates, we have stem cell technology-based, pipeline-enabling programs through our wholly-owned subsidiary, VistaStem Therapeutics
(VistaStem). VistaStem is focused on applying human pluripotent stem cell (hPSC) technologies, including our customized cardiac bioassay system, CardioSafe 3D, to discover
and  develop  small  molecule  New  Chemical  Entities  (NCEs)  for  our  CNS  pipeline  or  out-licensing.  In  addition,  VistaStem’s  stem  cell  technologies  involving  hPSC-derived
blood, cartilage, heart and liver cells have multiple potential applications in the cell therapy (CT) and regenerative medicine (RM) fields.

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To advance potential CT and RM applications of VistaStem’s hPSC technologies related to heart cells, we licensed to BlueRock Therapeutics LP, a next generation CT/RM
company formed jointly by Bayer AG and Versant Ventures, rights to develop and commercialize certain proprietary technologies relating to the production of cardiac stem
cells for the treatment of heart disease. As a result of its acquisition of BlueRock Therapeutics in 2019, Bayer AG now holds rights to develop and commercialize VistaStem’s
hPSC  technologies  relating  to  the  production  of  heart  cells  for  the  treatment  of  heart  disease  (the Bayer Agreement).  In a manner similar to  the  Bayer Agreement,  we  may
pursue additional collaborations involving rights to develop and commercialize VistaStem’s hPSC technologies for production of blood, cartilage, and/or liver cells for CT and
RM applications, including, among other indications, treatment of arthritis, cancer and liver disease.

Critical Accounting Policies and Estimates

We consider certain accounting policies related to revenue recognition, determination of right of use assets under lease transactions and related lease obligations, impairment of
long-lived assets, research and development, stock-based compensation, warrant liability and income taxes to be critical accounting policies that require the use of significant
judgments  and  estimates  relating  to  matters  that  are  inherently  uncertain  and  may  result  in  materially  different  results  under  different  assumptions  and  conditions.  The
preparation of financial statements in conformity with United States generally accepted accounting principles (GAAP) requires us to make estimates and assumptions that affect
the  amounts  reported  in  the  financial  statements  and  accompanying  notes  to  the  consolidated  financial  statements.  These  estimates  include  useful  lives  for  property  and
equipment and related depreciation calculations, and assumptions for valuing options, warrants and other stock-based compensation. Our actual results could differ from these
estimates.

Revenue Recognition

We have historically generated revenue principally from collaborative research and development arrangements, licensing and technology access fees and government grants.
We adopted Accounting Standards Update ( ASU)  No.  2014-09, Revenue  from  Contracts  with  Customers  (Topic  606)  and  its  related  amendments,  collectively  referred  to  as
ASC (Accounting Standards Codification) Topic 606, as of April 1, 2018, using the modified retrospective transition method. At adoption and through our fiscal year ended
March 31, 2020, we have only the Bayer Agreement as a potential revenue generating arrangement. Upon adoption of ASC Topic 606, there was no change to the units of
accounting previously identified with respect to the Bayer Agreement under legacy GAAP, which are now considered performance obligations under ASC Topic 606, and there
was no change to the revenue recognition pattern for the performance obligation. Accordingly, there was no cumulative effect change to our opening accumulated deficit balance
upon  the  adoption  of ASC  Topic  606.  We  did  not  recognize  any  revenue  in  our  fiscal  years  ended  March  31,  2020  or  2019.   The  EverInsight Agreement  was  executed
subsequent to the completion of our fiscal year ended March 31, 2020 and we have not yet assessed the impact of Topic 606 on it.

Under ASC Topic 606, we recognize revenue when our customer obtains control of promised goods or services, in an amount that reflects the consideration that we expect to
receive  in  exchange  for  those  goods  or  services.  To  determine  revenue  recognition  for  arrangements  that  we  determine  are  within  the  scope  of  Topic  606,  we  perform  the
following five steps: (i) identify the contract with a customer; (ii) identify the performance obligations in the contract; (iii) determine the transaction price, including variable
consideration,  if  any;  (iv)  allocate  the  transaction  price  to  the  performance  obligations  in  the  contract;  and  (v)  recognize  revenue  when  (or  as)  we  satisfy  a  performance
obligation.  We  only  apply  the  five-step  model  to  contracts  when  it  is  probable  that  we  will  collect  the  consideration  to  which  we  are  entitled  in  exchange  for  the  goods  or
services we transfer to a customer.

Once a contract is determined to be within the scope of Topic 606, we assesses the goods or services promised within each contract and determine those that are performance
obligations. Arrangements that include rights to additional goods or services that are exercisable at a customer’s discretion are generally considered options. We assess whether
these options provide a material right to the customer and if so, they are considered performance obligations. The exercise of a material right may be accounted for as a contract
modification or as a continuation of the contract for accounting purposes.

We assess whether each promised good or service is distinct for the purpose of identifying the performance obligations in the contract. This assessment involves subjective
determinations and requires judgments about the individual promised goods or services and whether such are separable from the other aspects of the contractual relationship.
Promised goods and services are considered distinct provided that: (i) the customer can benefit from the good or service either on its own or together with other resources that
are readily available to the customer (that is, the good or service is capable of being distinct) and (ii) our promise to transfer the good or service to the customer is separately
identifiable from other promises in the contract (that is, the promise to transfer the good or service is distinct within the context of the contract). In assessing whether a promised
good or service is distinct in the evaluation of a collaboration arrangement subject to Topic 606, we consider factors such as the research, manufacturing and commercialization
capabilities  of  the  collaboration  partner  and  the  availability  of  the  associated  expertise  in  the  general  marketplace.  We  also  consider  the  intended  benefit  of  the  contract  in
assessing whether a promised good or service is separately identifiable from other promises in the contract. If a promised good or service is not distinct, we are required to
combine that good or service with other promised goods or services until we identifies a bundle of goods or services that is distinct.

The transaction price is then determined and allocated to the identified performance obligations in proportion to their standalone selling prices (SSP) on a relative SSP basis.
SSP is determined at contract inception and is not updated to reflect changes between contract inception and satisfaction of the performance obligations. Determining the SSP
for  performance  obligations  requires  significant  judgment.  In  developing  the  SSP  for  a  performance  obligation,  we  consider  applicable  market  conditions  and  relevant
Company-specific factors, including factors that were contemplated in negotiating the agreement with the customer and estimated costs. In certain circumstances, we may apply
the residual method to determine the SSP of a good or service if the standalone selling price is considered highly variable or uncertain. We validate the SSP for performance
obligations  by  evaluating  whether  changes  in  the  key  assumptions  used  to  determine  the  SSP  will  have  a  significant  effect  on  the  allocation  of  arrangement  consideration
between multiple performance obligations.

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If the consideration promised in a contract includes a variable amount, we estimate the amount of consideration to which we will be entitled in exchange for transferring the
promised goods or services to a customer. We determine the amount of variable consideration by using the expected value method or the most likely amount method. We include
the unconstrained amount of estimated variable consideration in the transaction price. The amount included in the transaction price is constrained to the amount for which it is
probable  that  a  significant  reversal  of  cumulative  revenue  recognized  will  not  occur. At  the  end  of  each  subsequent  reporting  period,  we  re-evaluate  the  estimated  variable
consideration  included  in  the  transaction  price  and  any  related  constraint,  and  if  necessary,  adjust  our  estimate  of  the  overall  transaction  price. Any  such  adjustments  are
recorded on a cumulative catch-up basis in the period of adjustment.

If an arrangement includes development and regulatory milestone payments, we evaluate whether the  milestones  are  considered  probable  of  being  reached  and  estimate  the
amount to be included in the transaction price using the most likely amount method. If it is probable that a significant revenue reversal would not occur, the associated milestone
value is included in the transaction price. Milestone payments that are not within our control or the licensee’s control, such as regulatory approvals, are generally not considered
probable of being achieved until those approvals are received.

In  determining  the  transaction  price,  we  adjust  consideration  for  the  effects  of  the  time  value  of  money  if  the  timing  of  payments  provides  us  with  a  significant  benefit  of
financing. We do not assess whether a contract has a significant financing component if the expectation at contract inception is such that the period between payment by the
licensee and the transfer of the promised goods or services to the licensee will be one year or less. For arrangements with licenses of intellectual property that include sales-
based royalties, including milestone payments based on the level of sales, and the license is deemed to be the predominant item to which the royalties relate, we recognize
royalty revenue and sales-based milestones at the later of (i) when the related sales occur, or (ii) when the performance obligation to which the royalty has been allocated has
been satisfied.

We then recognize as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) each performance obligation is satisfied
at a point in time or over time, and if over time, based on the use of an output or input method.

Right of use assets and lease obligations

We adopted Accounting Standards Update No. 2016-02, “Leases (Topic 842)” (ASU 2016-02) effective April 1, 2019. ASU 2016-02 requires that we determine, at the inception
of an arrangement, whether the arrangement is or contains a lease, based on the unique facts and circumstances present. Operating lease assets represent our right to use an
underlying asset for the lease term (Right of use assets) and operating lease liabilities represent our obligation to make lease payments arising from the lease. Right of use assets
and operating lease liabilities are recognized at the commencement date of the lease based upon the present value of lease payments over the lease term. When determining the
lease term, we include options to extend or terminate the lease when it is reasonably certain, at inception, that we will exercise that option. The interest rate implicit in lease
contracts is typically not readily determinable; accordingly, we use our incremental borrowing rate, which is the rate that would be incurred to borrow on a collateralized basis
over  a  similar  term  an  amount  equal  to  the  lease  payments  in  a  similar  economic  environment,  based  upon  the  information  available  at  the  commencement  date.  The  lease
payments used to determine our operating lease assets may include lease incentives, stated rent increases and escalation clauses linked to rates of inflation, when determinable,
and are recognized in determining our Right of use assets. Our operating lease is reflected in the right-of-use asset – operating lease; operating lease obligation - current portion;
and operating lease obligation - non-current portion in our consolidated balance sheets.

Lease expense for minimum lease payments is recognized on a straight-line basis over the lease term. As a result of our adoption of ASU 2016-02, we no longer recognize
deferred rent on the consolidated balance sheet. Short-term leases, defined as leases that have a lease term of 12 months or less at the commencement date, are excluded from
this treatment and are recognized on a straight-line basis over the term of the lease. Variable lease payments are amounts owed by us to a lessor that are not fixed, such as
reimbursement for common area maintenance costs for our facility lease; and are expensed when incurred.

Financing leases, formerly referred to as capitalized leases, are treated similarly to operating leases except that the asset subject to the lease is included in the appropriate fixed
asset category, rather than recorded as a Right of use asset, and depreciated over its estimated useful life, or lease term, if shorter.

Impairment of Long-Lived Assets

In accordance with ASC 360-10, Property, Plant & Equipment—Overall, we review long-lived assets for impairment whenever events or changes in circumstances indicate that
the carrying amount of property and equipment may not be recoverable. Determination of recoverability is based on an estimate of undiscounted future cash flows resulting
from the use of the asset and its eventual disposition. In the event that such cash flows are not expected to be sufficient to recover the carrying amount of the assets, we write
down the assets to their estimated fair values and recognize the loss in the Consolidated Statements of Operations and Comprehensive Loss.

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Research and Development Expenses

Research and development expenses are composed of both internal and external costs.  Internal costs include salaries and employment-related expenses, including stock-based
compensation  expense,  of  scientific  personnel  and  direct  project  costs.    External  research  and  development  expenses  consist  primarily  of  costs  associated  with  clinical  and
nonclinical development of PH94B, PH10, and AV-101, stem cell research and development costs, and costs related to the application and prosecution of patents related to AV-
101, PH94B, PH10 and our stem cell technology platform. All such costs are charged to expense as incurred.

We also record accruals for estimated ongoing clinical trial costs. Clinical trial costs represent costs incurred by contract research organizations (CROs) and clinical trial sites.
Progress payments are generally made to CROs, clinical sites, investigators and other professional service providers. We analyze the progress of the clinical trial, including
levels of subject enrollment, invoices received and contracted costs when evaluating the adequacy of accrued liabilities. Significant judgments and estimates must be made in
determining the clinical trial accrual in any reporting period. Actual results could differ from those estimates under different assumptions. Revisions are charged to research and
development expense in the period in which the facts that give rise to the revision become known.

Costs incurred in obtaining product or technology licenses are charged immediately to research and development expense if the product or technology licensed has not achieved
regulatory  approval  or  reached  technical  feasibility  and  has  no  alternative  future  uses.  In  September  2018,  we  acquired  an  exclusive  license  to  develop  and  commercialize
PH94B and an option to acquire a license to develop and commercialize PH10 by issuing an aggregate of 1,630,435 unregistered shares of our common stock having a fair
market value of $2,250,000. In October 2018, we exercised our option to acquire an exclusive license to develop and commercialize PH10 by issuing 925,926 shares of our
unregistered common stock having a fair market value of $2,000,000. Since, at the date of each acquisition, neither product candidate had achieved regulatory approval and
each requires significant additional development and expense, we recorded the costs related to acquiring the licenses and the option as research and development expense.

Stock-Based Compensation

We recognize compensation cost for all stock-based awards to employees and non-employee consultants based on the grant date fair value of the award.  We record stock-based
compensation expense over the period during which the employee or other grantee is required to perform services in exchange for the award, which generally represents the
scheduled vesting period. We have not granted restricted stock awards to employees or consultants nor do we have any awards with market or performance conditions. Prior to
our April 1, 2019 adoption of ASU 2018-07, Compensation-Stock Compensation (Topic 718), Improvements to Nonemployee Share-Based Payment Accounting (ASU 2018-07),
we historically re-measured the fair value of option grants to non-employees as they vested and any resulting increase in value was recognized as an expense during the period
over  which  the  services  were  performed.  Under ASU  2018-17,  expense  recognition  for  grants  to  non-employees  follows  the  same  methodology  as  for  employees.  Noncash
expense attributable to compensatory grants of our common stock to non-employees is determined by the quoted market price of the stock on the date of grant and is either
recognized as fully-earned at the time of the grant or expensed ratably over the term of the related service agreement, depending on the terms of the specific agreement.

We use the Black-Scholes option pricing model to estimate the fair value of stock-based awards as of the grant date. The Black-Scholes model is complex and dependent upon
key data input estimates. The primary data inputs with the greatest degree of judgment are the expected term of the stock options and the estimated volatility of our stock price.
The Black-Scholes model is highly sensitive to changes in these two inputs. The expected term of the options represents the period of time that options granted are expected to
be outstanding. We use the simplified method in accordance with guidance provided by the Securities and Exchange Commission (SEC) to estimate the expected term as an
input into the Black-Scholes option pricing model. We determine expected volatility using the historical method, which, because of the relatively limited period during which
our stock has been publicly traded on a major exchange and its historically limited trading volume, is based on the historical daily trading data of the common stock of a peer
group of public companies over the expected term of the option.

Warrants Issued in Connection with Equity Financing

We generally account for warrants issued in connection with equity financings as a component of equity, unless there is a deemed possibility that we may have to settle the
warrants  in  cash  or  the  warrants  contain  other  features  requiring  them  to  be  treated  as  liabilities.  For  warrants  issued  with  the  possibility  of  cash  settlement  or  otherwise
requiring liability treatment, we record the fair value of the issued warrants as a liability at each reporting period and record changes in the estimated fair value as noncash gain
or loss in the Consolidated Statements of Operations and Comprehensive Loss.

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Income Taxes

We  account  for  income  taxes  using  the  asset  and  liability  approach  for  financial  reporting  purposes.  We  recognize  deferred  tax  assets  and  liabilities  for  the  future  tax
consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases and operating loss and
tax credit carryforwards. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in  the  years  in  which  those  temporary
differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the
enactment date. Valuation allowances are established, when necessary, to reduce the deferred tax assets to an amount expected to be realized.

Recent Accounting Pronouncements

See Note 3 to the Consolidated Financial Statements included in Item 8 in this Annual Report on Form 10-K for information on recent accounting pronouncements.

Financial Operations Overview and Results of Operations

Net Loss

We have not yet achieved recurring revenue-generating status from any of our product candidates or technologies. Since inception, we have devoted substantial time and effort
to  developing AV-101  for  multiple  CNS  indications,  including  manufacturing  research,  process  development  and  production  of AV-101  drug  substance  and  finished  drug
product, preclinical efficacy and safety studies, and clinical efficacy and safety studies in CNS indications. In addition, beginning during our fiscal year ended March 31, 2019
(Fiscal 2019), we have devoted substantial resources focused on development and commercialization of PH94B and PH10, for which we are actively pursuing initiatives to
advance manufacturing research, process development and production programs for drug substance and finished drug product, additional preclinical safety studies, and clinical
efficacy  and  safety  studies  in  multiple  neuropsychiatry  indications. Also,  from-time-to-time,  we  have  devoted  resources  to  VistaStem’s  stem  cell  technology  research  and
development, bioassay development and small molecule drug rescue initiatives, as well as creating, protecting and patenting intellectual property (IP) related to our product
candidates  and  stem  cell  technologies,  with  the  corollary  initiatives  of  recruiting  and  retaining  personnel  and  raising  working  capital. As  of  March  31,  2020,  we  had  an
accumulated deficit of approximately $201.9 million. Our net loss for the fiscal year ended March 31, 2020 (Fiscal 2020) and Fiscal 2019 was approximately $20.8 million and
$24.6 million, respectively. We expect losses to continue for the foreseeable future, primarily as we  engage in further development of PH94B, PH10 and AV-101, execute our
drug rescue programs and pursue potential drug development and regenerative medicine opportunities.

Summary of Our Fiscal Year Ended March 31, 2020

During Fiscal 2020, we continued to advance our manufacturing, preclinical and clinical development, and regulatory initiatives necessary to develop and commercialize our
CNS product Phase 3 clinical development of PH94B for SAD, PH10 for MDD and AV-101 for MDD and other NMDAR-focused indications. In addition, we continued to
expand the regulatory and intellectual property foundation to support broad clinical development and, ultimately, commercialization of our product candidates in the U.S. and
foreign markets, and on a limited basis, advance drug rescue applications of our stem cell technology to further expand our CNS pipeline.

As discussed previously in Business Overview, during Fiscal 2020, we completed the Elevate Study of AV-101 in MDD. In December 2019, pursuant to our Material Transfer
Cooperative Research and Development Agreement with the VA and our arrangements with Baylor, Baylor completed a successful Phase 1b target engagement study of AV-
101 which involved dosing of healthy volunteer U.S. Military Veterans to define a dose-response relationship between AV-101 and relevant biomarkers related to NMDAR
function and other biomarkers possibly related to suicidal ideation in U.S. Military Veterans.

We  continue  to  pursue  initiatives  to  secure  a  broad  portfolio  of  patent  protection  for  our  CNS  product  candidates  that  covers  the  treatment  of  multiple  CNS  indications,
chemical synthesis methods, and, for AV-101, unit dose formulations effective to treat depression and other CNS indications. With respect to CNS treatments, we obtained
patents in several countries for the treatment of depression and we have recently received a Notice of Allowance from the U.S. Patent and Trademark Office for our patent
application  related  to  treatment  of  dyskinesia  in  Parkinson’s  disease  patients  receiving  levodopa  therapy.  For AV-101,  we  are  also  pursuing  additional  patent  applications
related  to  treatment  of,  among  other  NMDAR-focused  indications,  depression,  epilepsy,  neuropathic  pain,  obsessive-compulsive  disorder,  suicidal  ideation  and  tinnitus.
Additional patent applications for other aspects of prognostic testing and treatment using AV-101 are under consideration.

With respect to financing activities in Fiscal 2020, subsequent to the completion of our underwritten public offering of common stock in February 2019, which generated $11.5
million in gross proceeds to us, we have completed or initiated the following:

● During the quarter ended December 31, 2019, we completed a self-directed private placement of units consisting of unregistered shares of our common stock and
warrants to purchase unregistered shares of our common stock pursuant to which we received cash proceeds of $650,000, and a self-directed private placement of
warrants  to  purchase  unregistered  shares  of  our  common  stock  pursuant  to  which  we  received  cash  proceeds  of  $300,000. Additionally,  we  modified  certain
outstanding warrants issued in earlier completed private placement transactions to reduce their exercise price and certain holders exercised their modified warrants
pursuant to which we received $410,000 in cash proceeds.

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●

●

In  January  2020,  we  completed  a  self-placed  registered  direct  public  offering  under  our  effective  registration  statement  on  Form  S-3  and  concurrent  private
placement of warrants to purchase shares of our common stock, pursuant to which we received approximately $2.7 million in cash proceeds

In March 2020, we entered into a purchase agreement and a registration rights agreement with Lincoln Park Capital Fund (LPC) pursuant to which LPC committed
to purchase up to $10,250,000 of our common stock at market-based prices over a period of 24 months (the LPC Agreement). During March 2020, we sold 500,000
unregistered shares of our common stock to LPC under the purchase agreement at a price of $0.50 per share for gross cash proceeds of $250,000. Subsequent to
filing  the  registration  statement  required  under  the  LPC Agreement  and  its  effectiveness  on April  14,  2020,  through  June  26,  2020,  we  have  sold  an  additional
6,201,995 shares of our common stock to LPC pursuant to the LPC Agreement, resulting in the receipt of aggregate cash proceeds of $2,840,200..

As a matter of course, we continue to minimize, to the greatest extent possible, cash commitments and expenditures for both internal and external research and development and
general and administrative services. To further advance the nonclinical and clinical development of PH94B, PH10, AV-101 and our stem cell technology platform, as well as
support our operating activities, we continue to carefully manage our routine operating costs, including our internal employee related expenses, as well as external costs relating
to  regulatory  consulting,  contract  research  and  development,  investor  relations  and  corporate  development,  legal,  acquisition  and  protection  of  intellectual  property,  public
company compliance and other professional services and internal costs. 

Comparison of Fiscal Years Ended March 31, 2020 and 2019

The following table summarizes the results of our operations for the fiscal years ended March 31, 2020 and 2019 (amounts in thousands).

Operating expenses:

Research and development
General and administrative
Total operating expenses

Loss from operations

Interest income (expense), net
Loss on extinguishment of accounts payable

Loss before income taxes
Income taxes

Net loss
  Accrued dividend on Series B Preferred Stock
Net loss attributable to common stockholders

Revenue   

 Fiscal Year Ended March 31,

 2020

 2019

13,374 
7,427 
20,801 

17,098 
7,458 
24,556 

(20,801)

(24,556)

30 
- 

(20,771)
(3)

(20,774)
(1,264)
(22,038)

  $

(8)
(23)

(24,587)
(2)

(24,589)
(1,140)
(25,729)

  $

We reported no revenue for either Fiscal 2020 or Fiscal 2019 and, through March 31, 2020, we have no recurring revenue generating arrangements, including arrangements with
respect to PH94B, PH10, AV-101 or other potential product candidates. While we may potentially receive payments or royalties in the future under our December 2016 Bayer
Agreement or our June 2020 EverInsight Agreement with respect to PH94B, in the event certain performance-based milestones and commercial sales are achieved, there can be
no assurance that either agreement will provide revenue to us in the near term or at all.

Research and Development Expense

Research  and  development  expense  decreased  to  approximately  $13.4  million  for  Fiscal  2020  compared  to  approximately  $17.1  million  in  Fiscal  2019.  The  Fiscal  2019
acquisition  of  the  PH94B  license  and  the  PH10  option  and  license  through  the  issuance  of  our  common  stock,  which  resulted  in  an  aggregate  of  $4.25  million  of  noncash
expense,  primarily  accounts  for  the  decrease.  The  absence  of  the  license  acquisition  expense  in  FY  2020  was  partially  offset  by  cash  expenses  attributable  to  nonclinical
activities, including manufacturing, and regulatory activities supporting the continuing development of PH94B for SAD and PH10 for MDD, as well as the completion of the
Elevate Study and various AV-101 nonclinical activities, including manufacturing additional quantities of AV-101 and other developmental studies. Other noncash expenses
included in research and development expense (excluding the noncash PH94B and PH10 license and option acquisition in Fiscal 2019), primarily stock compensation and lab
equipment depreciation, accounted for approximately $1.4 million in both Fiscal 2020 and Fiscal 2019.

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The following table indicates the primary components of research and development expense for each of the periods (amounts in thousands):

Salaries and benefits
Stock-based compensation
Consulting and other professional services
Technology licenses and royalties
Project-related research, licenses and supplies:
Elevate study and other AV-101 expenses
PH94B and PH10 project expenses
PH94B and PH10 licenses and option
Stem cell and all other

Rent
Depreciation
All other

  $

Fiscal Years Ended March 31,

2020

2019

  $

1,381 
1,287 
533 
546 

6,483 
2,448 
- 
110 
9,041 
535 
49 
2 

1,806 
1,259 
264 
571 

8,126 
246 
4,250 
105 
12,727 
419 
49 
3 

Total Research and Development Expense

  $

13,374 

  $

17,098 

Salaries  and  benefits  expense  reported  for  Fiscal  2019  includes  a  total  of  approximately  $319,000  for  bonus  payments  made  to  our  Chief  Medical  Officer  (CMO),  Chief
Scientific Officer (CSO) and members of our scientific staff during the second quarter of Fiscal 2019 based on achievement of goals and objectives for our fiscal year ended
March 31, 2018, which bonus payments had not been accrued at March 31, 2018, plus the Fiscal 2019 accrual of approximately $192,000 for bonuses attributable to Fiscal 2019
goals and objectives that were accrued during Fiscal 2019. No accrual has been made for officer or staff bonus payments attributable to Fiscal 2020. Partially offsetting the
absence of bonus expense in Fiscal 2020 is the impact of modest salary increases granted to our CMO, CSO and members of our scientific staff effective in April 2019.

Noncash stock-based compensation expense varied only slightly between Fiscal 2020 and Fiscal 2019. Stock-based compensation expense reflects the amortization of option
grants made to our CSO, CMO, scientific staff and certain consultants since June 2016, all earlier outstanding grants having become fully vested and amortized. Grants awarded
after March 31, 2019 account for approximately $331,000 of expense in Fiscal 2020, partially offset by the impact of certain November 2016, September 2017 and February
2018 grants that became fully vested and amortized during Fiscal 2020. Additionally, grants made during Fiscal 2019 reflect a full year of expense amortization in Fiscal 2020
versus a partial year of expense recorded in Fiscal 2019. Stock-based compensation expense for Fiscal 2019 reflected the modification in August 2018 of outstanding options
held  by  our  CMO,  CSO  and  members  of  our  scientific  staff  having  exercise  prices  over  $1.56  per  share  to  reduce  the  exercise  price  to  $1.50  per  share,  resulting  in  the
immediate recognition of $104,000 attributable to the modification. Expense attributable to recent option grants is generally being amortized over two-year to three-year vesting
periods,  with  one-quarter  of  the  grants  made  in August  2018,  May  2019,  during  the  quarter  ended  December  31,  2019  and  in  January  2020  being  immediately  vested  and
expensed upon grant, in accordance with the terms of the respective grants.

Consulting  services  reflects  fees  incurred  for  project-based  scientific,  nonclinical  and  clinical  development  and  regulatory  advisory  services  rendered  to  us  by  third  parties,
generally,  in  Fiscal  2019,  by  members  of  our  Scientific Advisory  Board  and  CNS  Clinical  and  Regulatory Advisory  Board.  The  increase  in  Fiscal  2020  expense  primarily
reflects consulting and analytical services in support of our PH94B and PH10 initiatives.

Technology license expense reflects both recurring annual license fees, as well as legal counsel and other costs related to patent prosecution and protection pursuant to our stem
cell technology license agreements, our AV-101 patents, or that we have elected to pursue for commercial purposes. In both periods, this expense includes legal counsel and
other costs we have incurred to advance various patent applications in the U.S. and numerous foreign countries, primarily with respect to AV-101 and our stem cell technology
platform, but also nominally with respect to our PH94B and PH10 intellectual property portfolios.

AV-101 project expense for each of the periods presented primarily reflects the costs of conducting the Elevate Study in MDD, including various CRO, investigator and clinical
site  costs,  as  well  as  expense  incurred  to  manufacture  additional  quantities  of AV-101  for  potential  future  clinical  development  of AV-101  in  a  number  of  potential  CNS
indications.

Expenses for Fiscal 2020 related to PH94B and PH10 primarily reflect manufacturing and regulatory initiatives necessary to facilitate pivotal Phase 3 clinical development of
PH94B  for  SAD  and  to  facilitate  Phase  2  development  of  PH10  for  MDD. As  disclosed  earlier,  noncash  expense  of  $4.25  million  in  2018  related  to  the  acquisition  of  the
PH94B  license  and  the  PH10  option  and  license  and  represents  the  fair  value  of  an  aggregate  of  2,556,361  unregistered  shares  of  our  common  stock  issued  to  Pherin  in
September and October 2018 under the terms of the license and option agreements.

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Stem cell and other project related expenses reflects costs associated with drug rescue applications of our stem cell technology in both years.

The increase in rent expense reflects our implementation of ASC 842 effective April 1, 2019 and the requirement to recognize, as an operating lease, a right-of-use asset and a
lease liability, both of which must be amortized over the expected lease term, for our South San Francisco office and laboratory facility lease. The underlying lease reflects
commercial property rents prevalent in the South San Francisco real estate market at the time of our November 2016 lease amendment extending the lease of our headquarters
facilities in South San Francisco by five years from July 31, 2017 to July 31, 2022. In implementing ASC 842, we also projected that we would exercise a five-year option to
extend our tenancy under the lease when it expires in 2022, which extension would be subject to market rent conditions at that time. We allocate total rent expense for our South
San Francisco facility between research and development expense and general and administrative expense based generally on square footage dedicated to each function. Refer
to Note 15, Commitments, Contingencies, Guarantees and Indemnifications, in the accompanying Consolidated Financial Statements in Item 8, Part II of this Annual Report for
additional information.

General and Administrative Expense

General and administrative (G&A) expense was essentially flat at $7.4 million in Fiscal 2020, compared to $7.5 million in Fiscal 2019. Increased noncash stock compensation
and warrant modification expenses were generally offset by decreases in cash based salaries and benefits and investor and public relations expenses. Noncash G&A expense
accounted for approximately $3,543,000 and $2,622,000 in Fiscal 2020 and Fiscal 2019, respectively. Such noncash expenses included, in both periods, stock compensation
expense, a portion of investor and public relations expense, a portion of rent expense, and warrant modification expense. The following table indicates the primary components
of general and administrative expense for each of the periods (amounts in thousands):

Salaries and benefits
Stock-based compensation
Board fees
Legal, accounting and other professional fees
Investor and public relations
Insurance
Travel expenses
Rent and utilities
Warrant modification expense
All other expenses

Fiscal Years Ended March 31,

2020

2019

  $

  $

1,382 
2,533 
185 
575 
933 
348 
81 
354 
827 
209 

  $

7,427 

  $

1,972 
2,184 
163 
503 
1,690 
281 
174 
288 
26 
177 

7,458 

Salaries  and  benefits  expense  reported  for  Fiscal  2019  includes  a  total  of  approximately  $435,000  for  bonus  payments  made  to  our  Chief  Executive  Officer  (CEO),  Chief
Financial Officer (CFO), Vice President-Corporate Development (VP-Corporate Development) and a non-officer member of our administrative staff during the second quarter
of Fiscal 2019 based on achievement of goals and objectives for our fiscal year ended March 31, 2018, which bonus payments had not been accrued at March 31, 2018, plus the
Fiscal 2019 accrual of approximately $247,000 for bonuses attributable to Fiscal 2019 goals and objectives that were accrued during Fiscal 2019. No accrual has been made for
officer or staff bonus payments attributable to Fiscal 2020. Partially offsetting the absence of bonus expense in Fiscal 2020 is the impact of modest salary increases granted to
our CEO, CFO, and VP-Corporate Development effective in April 2019.

Fiscal  2020  noncash  stock-based  compensation  expense  reflects  the  amortization  of  option  grants  made  to  our  CEO,  CFO,  VP-Corporate  Development,  administrative
personnel, independent members of our Board and certain consultants since June 2016, all earlier outstanding grants having become fully vested and amortized. Grants awarded
after March 31, 2019 account for approximately $872,000 of expense in Fiscal 2020, partially offset by the impact of certain November 2016, September 2017 and February
2018  grants  that  became  fully  vested  and  amortized  during  Fiscal  2020,  reducing  expense  by  approximately  $292,000  compared  to  Fiscal  2019. Additionally,  grants  made
during Fiscal 2019 reflect a full year of expense amortization in Fiscal 2020 versus a partial year of expense recorded in Fiscal 2019. Stock-based compensation expense for
Fiscal  2019  reflected  the  modification  in August  2018  of  outstanding  options  held  by  our  CEO,  CFO,  VP-Corporate  Development  and  administrative  staff  having  exercise
prices  over  $1.56  per  share  to  reduce  the  exercise  price  to  $1.50  per  share,  resulting  in  the  immediate  recognition  of  $154,000  attributable  to  the  modification.  Expense
attributable to recent option grants is generally being amortized over two-year to three-year vesting periods, with one-quarter of the grants made in August 2018, May 2019,
during the quarter ended December 31, 2019 and in January 2020 being immediately vested and expensed upon grant, in accordance with the terms of the respective grants.

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Board fees represents fees paid as consideration for Board and Board Committee services to the independent members of our Board. The Fiscal 2020 increase reflects the impact
of the addition of a new independent member to our Board in January 2019.

Legal, accounting and other professional fees for Fiscal 2020 and Fiscal 2019 includes expense related to routine legal fees as well as the accounting expense related to the
annual audit of the prior year’s financial statements and the reviews of the quarterly financial statements for the then-current fiscal year. In Fiscal 2020 and Fiscal 2019, we also
incurred $101,000 and $95,000, respectively, attributable to services provided by international business development consultants.

Investor and public relations expense includes the fees of our various external service providers for a broad spectrum of investor relations and public relations services, and well
as  market  awareness  and  strategic  advisory  and  support  functions  and  initiatives  that  included  numerous  meetings  in  multiple  U.S.  and  foreign  markets  and  other
communication  activities  focused  on  expanding  global  market  awareness  of  the  Company,  its  CNS  product  candidate  pipeline  and  technologies  and  its  research  and
development  programs,  including  among  registered  investment  professionals  and  investment  advisors,  individual  and  institutional  investors,  and  prospective  strategic
collaborators for development and commercialization of our product candidates in major pharmaceutical markets worldwide. During Fiscal 2020, in addition to cash fees and
expenses we incurred for such activities, we recognized approximately $106,000 of noncash expense attributable to the amortization of the fair value of stock and warrants
granted in the prior fiscal year to various corporate development, investor relations, and market awareness service providers. During Fiscal 2019, in addition to cash fees and
expenses, we granted: (i) in the first quarter, an aggregate of 100,000 unregistered shares of our common stock to certain financial advisory service providers as full or partial
compensation for their services and recognized noncash expense of approximately $123,000 representing the fair value of the stock at the time of issuance; (ii) in the second
quarter, an aggregate of 50,000 unregistered shares of our common stock and four-year warrants to purchase an aggregate of 288,000 unregistered shares of our common stock
having an aggregate fair value of approximately $336,000 to various corporate development, investor relations, and market awareness service providers, pursuant to which we
recognized aggregate noncash expense of approximately $257,000; and (iii) in the fourth quarter, 25,000 registered shares of our common stock pursuant to our 2016 Amended
and Restated Stock Incentive Plan having a fair value of $41,500 as partial compensation for investor relations services, pursuant to which we recognized noncash expense of
approximately $14,000. The balance of the fair value of the securities granted in the second and fourth quarters of Fiscal 2019 was recorded as a prepaid expense at March 31,
2019 and was amortized over the remaining service period of the respective contracts during Fiscal 2020.

In both periods, travel expense reflects costs associated with management presentations and meetings held in multiple U.S. and international markets with both existing and
potential  registered  investment  professionals  and  investment  advisors,  individual  and  institutional  investors,  and  prospective  strategic  collaborators  for  development  and
commercialization of our product candidates in major pharmaceutical markets worldwide.

The increase in rent expense reflects our implementation of ASC 842 effective April 1, 2019 and the requirement to recognize, as an operating lease, a right-of-use asset and a
lease liability, both of which must be amortized over the expected lease term, for our South San Francisco office and laboratory facility lease. The underlying lease reflects
commercial property rents prevalent in the South San Francisco real estate market at the time of our November 2016 lease amendment extending the lease of our headquarters
facilities in South San Francisco by five years from July 31, 2017 to July 31, 2022. In implementing ASC 842, we also projected that we would exercise a five-year option to
extend our tenancy under the lease when it expires in 2022, which extension would be subject to market rent conditions at that time. We allocate total rent expense for our South
San Francisco facility between research and development expense and general and administrative expense based generally on square footage dedicated to each function. Refer
to Note 15, Commitments, Contingencies, Guarantees and Indemnifications, in the accompanying Consolidated Financial Statements in Item 8, Part II of this Annual Report for
additional information.

In  the  third  quarter  of  Fiscal  2020,  we  completed  the  Winter  2019  Warrant  Modification  during  which  we  modified  outstanding  warrants  issued  in  connection  with  earlier
completed private placements, including warrants issued in the Fall 2019 Private Placement, to purchase an aggregate of approximately 6.6 million unregistered shares of our
common stock to temporarily reduce, for a period of two years or until the expiration of the warrant, if sooner, the exercise price of such warrants to $0.50 per share, in order to
more closely align the exercise price of the warrants with the trading price of our common stock at such time. Following the two-year period during which the exercise price is
reduced,  the  exercise  price  will  revert  to  its  pre-modification  price.  We  determined  that  the  Winter  2019  Warrant  Modification  increased  the  fair  value  of  the  warrants  by
$702,500, which we recognized as noncash warrant modification expense.

Additionally,  during  the  third  quarter  of  Fiscal  2020,  we  issued Additional  Warrants  to  purchase  an  aggregate  of  325,000  additional  shares  of  our  common  stock  to  the
participants in the Fall 2019 Private Placement to increase the number of unregistered shares of common stock issuable upon exercise of the warrants from 50% to 100%. The
Additional Warrants are immediately exercisable through March 31, 2024 at an exercise price of $0.50 per share. We determined that the fair value of the Additional Warrants
was $88,800, which we also recognized as noncash warrant modification expense.

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Further, during the third quarter of Fiscal 2020, we completed the December 19, 2019 Warrant Modification, during which we modified outstanding warrants previously issued
as a part of a completed private placement to purchase a total of 80,431 shares of our unregistered common stock to permanently reduce the exercise price of such warrants to
$0.805 per share and to extend the term of such warrants through December 31, 2022, in order to more closely align the exercise price of the warrants with the current trading
price of our common stock and to provide additional time for the holders to exercise the warrants. We determined that the December 19, 2019 Warrant Modification increased
the fair value of the warrants by $35,600, which we recognized as noncash warrant modification expense. Total noncash warrant modification expense for Fiscal 2020 was
$826,900. Refer to Note 9, Capital Stock, in the accompanying Consolidated Financial Statements in Item 8, Part II of this Annual Report for additional information.

During  Fiscal  2020,  we  modified  certain  warrants  issued  in  the  Summer  2018  Private  Placement  to  comply  with  certain  provisions  of  The  Nasdaq  Stock  Market  Rules
applicable to the private placement by increasing the exercise price of such warrants to purchase an aggregate of 304,000 shares of our common stock from $1.50 per share to
$1.59  per  share  or  $1.69  per  share,  depending  on  the  effective  date  of  the  related  subscription  agreement. As  additional  consideration  for  the  modification,  we  granted  the
investors additional warrants to purchase an aggregate of 23,800 unregistered shares of our common stock at an exercise price of $1.75 per share through February 28, 2022.
We  determined  that  the  modification  decreased  the  fair  value  of  the  modified  warrants,  which  decrease  is  not  recognized;  however,  the  fair  value  of  the  new  warrants  was
determined to be $25,800, which we recognized as noncash warrant modification expense.

Interest and Other Expenses, Net   

Interest income, net  of  interest  expense,  totaled  $30,100  for  Fiscal  2020,  compared  to  interest  expense  of  $8,000  for  Fiscal  2019.  The  following  table  indicates  the  primary
components of interest income and expense for each of the periods (amounts in thousands):

Interest income
Interest expense on financing leases and insurance premium financing

Interest income (expense), net

Fiscal Years Ended March 31,

2020

2019

  $

  $

  $

45 
(15)

30 

  $

- 
(8)

(8)

Following the completion of our underwritten public offering in February 2019, which generated $11.5 million in gross proceeds to us, during the quarter ended June 30, 2019,
we deposited a portion of the proceeds in an interest-bearing cash equivalent account and earned interest income. Interest expense in both periods relates primarily to interest
paid on insurance premium financing notes and on a lease of office equipment treated as a capitalized lease in Fiscal 2019 and as a financing lease subject to ASC 842 in Fiscal
2020.

During the third quarter of Fiscal 2019, in connection with a private placement, we settled an outstanding professional service payable by accepting a subscription agreement in
the amount of $40,000 and issuing the corresponding number of shares of common stock and warrants. The fair value of the common stock and warrant issued in settlement of
the payable was determined to be $62,700 on the effective date of the agreement. Accordingly, we recognized a loss on extinguishment of accounts payable in the amount of
$22,700 in Fiscal 2019.

We recognized $1,263,600 and $1,139,900 in Fiscal 2020 and Fiscal 2019, respectively, representing the 10% cumulative noncash dividend payable on our Series B Preferred
as an additional deduction in arriving at net loss attributable to common stockholders in the Consolidated Statement of Operations and Comprehensive Loss included in Item 8,
Part II of this Annual Report. The dividends are payable in unregistered shares of our common stock upon the conversion of Series B Preferred shares. There  have  been  no
conversions of outstanding shares of Series B Preferred into common shares since August 2016.

Liquidity and Capital Resources

Since our inception in May 1998 through March 31, 2020, we have financed our operations and technology acquisitions primarily through the issuance and sale of our equity
and  debt  securities  for  cash  proceeds  of  approximately  $83.3  million,  as  well  as  from  an  aggregate  of  approximately  $17.7  million  of  government  research  grant  awards
(excluding  the  fair  market  value  of  government  sponsored  and  funded  clinical  trials),  strategic  collaboration  payments,  intellectual  property  licensing  and  other  revenues.
Additionally, we have issued equity securities with an approximate value at issuance of $38.1 million in noncash acquisitions of product licenses and in settlements of certain
liabilities, including liabilities for professional services rendered to us or as compensation for such services.

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At March 31, 2020, we had cash and cash equivalents of approximately $1.4 million. As more completely described in Note 9, Capital Stock, in the accompanying Consolidated
Financial Statements included in Part II, Item 8 of this Annual Report, on March 24, 2020, we entered into the LPC Agreement and a registration rights agreement with Lincoln
Park pursuant to which Lincoln Park committed to purchase up to $10,250,000 of our common stock at market-based prices over a period of 24 months. On March 24, 2020, we
sold 500,000 shares of our common stock to Lincoln Park under at a price of $0.50 per share for cash proceeds of $250,000 (the Initial Purchase). To satisfy our obligations
under  the  registration  rights  agreement,  we  filed  a  Registration  Statement  on  Form  S-1  (the LPC Registration Statement)  with  the  SEC  on  March  31,  2020,  which  the  SEC
declared effective on April 14, 2020 (Registration No. 333-237514). Subsequent to the effectiveness of the LPC Registration Statement, which included the shares issued in the
Initial Purchase, through June 26, 2020, we have sold an additional 6,201,995 registered shares of our common stock and have received aggregate cash proceeds of $2,840,200.
Additionally, in April 2020, in a self-directed private placement, we sold to an accredited investor units to purchase an aggregate of 125,000 unregistered shares of our common
stock and four-year warrants to purchase 125,000 shares of our common stock at an exercise price of $0.50 per share and we received cash proceeds of $50,000 (the Spring
2020 Private Placement).

Nevertheless, in the absence of additional financing from the sale of our securities, government research grant awards, strategic collaboration payments, intellectual property
licensing or other sources, we believe that our cash position at March 31, 2020, together with the proceeds from the LPC Agreement received to date, the Spring 2020 Private
Placement  and  the  net  cash  receipt  of  approximately  $4.475  million  from  the  upfront  payment  we  expect  to  receive  pursuant  to  the  EverInsight Agreeement,  will  not  be
sufficient to fund our planned operations for the twelve months following the issuance of these financial statements and raises substantial doubt that we can continue as a going
concern. During the next twelve months, subject to securing appropriate and adequate financing, we plan to prepare for and launch a Phase 2a study of PH94B for treatment of
adjustment disorder with anxiety due to stressors related to the COVID-19 pandemic, a Phase 3 clinical trial of PH94B for SAD, prepare for a Phase 2b clinical study and certain
nonclinical studies involving PH10, PH94B and AV-101 and prepare for and potentially launch a Phase 2b clinical trial of PH10 for MDD. When necessary and advantageous,
we  plan  to  raise  additional  capital,  through  the  sale  of  our  equity  securities  in  one  or  more  (i)  private  placements  to  accredited  investors,  (i)  public  offerings  and/or  (ii)  in
strategic  licensing  and  development  collaborations  involving  one  or  more  of  our  drug  candidates  in  markets  outside  the  United  States.  Subject  to  certain  restrictions,  our
Registration Statement on Form S-3 (Registration No. 333-234025) (the S-3 Registration Statement), which became effective on October 7, 2019, is available for future sales of
our equity securities in one or more public offerings from time to time. While we may make additional sales of our equity securities under the S-3 Registration Statement, we do
not have an obligation to do so.

As we have been in the past, we expect that, when and as necessary, we will be successful in raising additional capital from the sale of our equity securities either in one or more
public offerings or in one or more private placement transactions with individual accredited investors and institutions. In addition to the potential sale of our equity securities,
we may also seek to enter research, development and/or commercialization collaborations that could generate revenue or provide funding, including non-dilutive funding, for
development of one or more of our CNS product candidates. We may also seek additional government grant awards or agreements similar to our relationships with Baylor and
the VA in connection with the Baylor Study. Such strategic collaborations may provide non-dilutive resources to advance our strategic initiatives while reducing a portion of
our future cash outlays and working capital requirements. We may also pursue intellectual property arrangements similar to the Bayer Agreement with other parties. Although
we may seek additional collaborations that could generate revenue and/or provide non-dilutive funding for development of our product candidates, as well as new government
grant awards and/or agreements, no assurance can be provided that any such collaborations, awards or agreements will occur in the future.  

Our future working capital requirements will depend on many factors, including, without limitation, the scope and nature of opportunities related to our success and the success
of  certain  other  companies  in  clinical  trials,  including  our  development  and  commercialization  of  our  current  product  candidates  and  various  applications  of  our  stem  cell
technology platform, the availability of, and our ability to obtain, government grant awards and agreements, and our ability to enter into collaborations on terms acceptable to us.
To further advance the clinical development of PH94B, PH10, and AV-101 and, to a lesser extent, our stem cell technology platform, as well as support our operating activities,
we plan to continue to carefully manage our routine operating costs, including our employee headcount and related expenses, as well as costs relating to regulatory consulting,
contract  research  and  development,  investor  relations  and  corporate  development,  legal,  acquisition  and  protection  of  intellectual  property,  public  company  compliance  and
other professional services and operating costs. 

Notwithstanding the foregoing, there can be no assurance that future financings or government or other strategic collaborations will be available to us in sufficient amounts, in a
timely manner, or on terms acceptable to us, if at all. If we are unable to obtain substantial additional financing on a timely basis when needed during 2020 and beyond, our
business, financial condition, and results of operations may be harmed, the price of our stock may decline, we may be required to reduce, defer, or discontinue certain of our
research  and  development  activities  and  we  may  not  be  able  to  continue  as  a  going  concern.   As  noted  above,  these  Consolidated  Financial  Statements  do  not  include  any
adjustments that might result from the negative outcome of this uncertainty.

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Cash and Cash Equivalents

The following table summarizes changes in cash and cash equivalents for the periods stated (in thousands):

Net cash used in operating activities
Net cash used in investing activities
Net cash provided by financing activities

Net (decrease) increase in cash and cash equivalents
Cash and cash equivalents at beginning of period

Cash and cash equivalents at end of period

Fiscal Years Ended March 31,

2020

2019

  $

  $

(15,757)
- 
4,012 

(11,745)
13,100 

(14,528)
(174)
17,424 

2,722 
10,378 

  $

1,355 

  $

13,100 

The increase in cash used in operations results primarily from the conduct of our Elevate Study, which commenced at the end of the fourth quarter of our fiscal year ended
March 31, 2018 and continued through the third quarter of Fiscal 2020, and nonclinical manufacturing advancements related to PH94B and PH10 during Fiscal 2020. Cash
used in investing activities in Fiscal 2019 reflects the cost of tenant improvements at our office and laboratory facilities in South San Francisco, California, substantially all of
which  were  reimbursed  by  our  landlord  under  the  terms  of  our  November  2016  lease  extension,  which  reimbursement  is  reflected  in  operating  activities.  Cash  provided  by
financing activities in Fiscal 2020 reflects the cash proceeds from our Fall 2019 Private Placement, our Fall 2019 Warrant Offering, the exercise of certain warrants following
the modification of their exercise prices, proceeds from our January 2020 Registered Direct Offering and initial transactions under the LPC Agreement, net of routine payments
on our insurance premium financing notes and lease. Cash provided by financing activities in Fiscal 2019 primarily reflects the cash proceeds from our Spring 2019 Public
Offering, our Summer 2018 and Fall 2018 Private Placements, and warrant and option exercises, net of routine payments on our insurance premium financing notes and lease.

Off-Balance Sheet Arrangements

Other than contractual obligations incurred in the normal course of business, we do not have any off-balance sheet financing arrangements or liabilities, guarantee contracts,
retained or contingent interests in transferred assets or any obligation arising out of a material variable interest in an unconsolidated entity. VistaStem has two inactive, wholly
owned subsidiaries, Artemis Neuroscience, Inc., a Maryland corporation, and VistaStem Canada, Inc., an Ontario corporation.

Item 7A.  Quantitative and Qualitative Disclosures About Market Risk

The disclosures in this section are not required because we qualify as a smaller reporting company under federal securities laws.

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Item 8.  Financial Statements and Supplementary Data

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

Report of Independent Registered Public Accounting Firm
Consolidated Balance Sheets
Consolidated Statements of Operations and Comprehensive Loss
Consolidated Statements of Cash Flows
Consolidated Statements of Stockholders' Equity (Deficit)
Notes to Consolidated Financial Statements

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Stockholders and Board of Directors
VistaGen Therapeutics, Inc.
South San Francisco, California

Opinion on the Financial Statements

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We  have  audited  the  accompanying  consolidated  balance  sheets  of  VistaGen  Therapeutics,  Inc.  as  of  March  31,  2020  and  2019,  the  related  consolidated  statements  of
operations and comprehensive loss, cash flows, and stockholders’ equity (deficit) for each of the two fiscal years in the period ended March 31, 2020, 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 at
March 31, 2020 and 2019, and the results of its operations and its cash flows for each of the two years in the period ended March 31, 2020, in  conformity  with  accounting
principles generally accepted in the United States of America.

Going Concern Uncertainty

The  accompanying  consolidated  financial  statements  have  been  prepared  assuming  that  the  Company  will  continue  as  a  going  concern.  As  discussed  in  Note  2  to  the
consolidated financial statements, the Company has not yet generated sustainable revenues, has suffered recurring losses and negative cash flows from operations and has a
stockholders’ deficit, all of which raise substantial doubt about its ability to continue as a going concern. Management's plans in regard to these matters are also described in
Note 2. The consolidated financial statements do not include any adjustments that might result from the outcome of this uncertainty.

Basis for Opinion

These  consolidated  financial  statements  are  the  responsibility  of  the  Company’s  management.  Our  responsibility  is  to  express  an  opinion  on  the  Company’s  consolidated
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 consolidated 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 consolidated 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  consolidated  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 consolidated financial statements. We believe that our audits provide a reasonable basis for our opinion.

/s/ OUM & CO. LLP

San Francisco, California
June 29, 2020
We have served as the Company's auditor since 2006.

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 Current assets:

 Cash and cash equivalents
 Receivable from supplier
 Prepaid expenses and other current assets

 Total current assets
 Property and equipment, net
 Right of use asset - operating lease
 Deferred offering costs
 Security deposits and other assets

 Total assets

 Current liabilities:

 Accounts payable
 Accrued expenses
 Current note payable
 Operating lease obligation - current portion
 Financing lease obligation - current portion

 Total current liabilities

VISTAGEN THERAPEUTICS, INC.

CONSOLIDATED BALANCE SHEETS
(Amounts in dollars, except share amounts)

 ASSETS

 LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT)

 Non-current liabilities:

 Accrued dividends on Series B Preferred Stock
 Deferred rent liability
 Operating lease obligation - non-current portion
 Financing lease obligation - non-current portion

 Total non-current liabilities
 Total liabilities

 Commitments and contingencies (Note 15)

 Stockholders’ equity (deficit):
      Preferred stock, $0.001 par value; 10,000,000 shares authorized at March 31, 2020 and 2019:
          Series A Preferred, 500,000 shares authorized, issued and outstanding at March 31, 2020 and 2019
          Series B Preferred; 4,000,000 shares authorized at March 31, 2020 and 2019; 1,160,240 shares
              issued and outstanding at March 31, 2020 and 2019
          Series C Preferred; 3,000,000 shares authorized at March 31, 2020 and 2019; 2,318,012 shares
              issued and outstanding at March 31, 2020 and 2019

 Common stock, $0.001 par value; 175,000,000 and 100,000,000 shares authorized at March 31, 2020
           and 2019, respectively; 49,348,707 and 42,758,630 shares issued and outstanding at March 31, 2020

       and 2019, respectively
 Additional paid-in capital
 Treasury stock, at cost, 135,665 shares of common stock held at March 31, 2020 and 2019
 Accumulated deficit

 Total stockholders’ equity (deficit)
 Total liabilities and stockholders’ equity (deficit)

See accompanying notes to consolidated financial statements.

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  March 31,

 2020

 March 31,
 2019

  $

  $

  $

  $

  $

  $

1,355,100 
- 
225,100 
1,580,200 
209,600 
3,579,600 
355,100 
47,800 
5,772,300 

1,836,600 
561,500 
56,500 
313,400 
3,300 
2,771,300 

5,011,800 
- 
3,715,600 
3,000 
8,730,400 
11,501,700 

13,100,300 
300,000 
228,600 
13,628,900 
312,700 
- 
22,300 
47,800 
14,011,700 

1,055,000 
1,685,600 
57,300 
- 
3,000 
2,800,900 

3,748,200 
381,100 

6,300 
4,135,600 
6,936,500 

500 

1,200 

2,300 

500 

1,200 

2,300 

49,300 
200,092,800 
(3,968,100)
(201,907,400)
(5,729,400)
5,772,300 

  $

42,800 
192,129,900 
(3,968,100)
(181,133,400)
7,075,200 
14,011,700 

  $

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
 
 
 
  
 
 
  
 
 
 
 
 
 
  
 
 
  
 
 
 
 
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
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VISTAGEN THERAPEUTICS, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS
(Amounts in dollars, except share amounts)

Operating expenses:

 Research and development
 General and administrative
  Total operating expenses

Loss from operations
Other income (expenses), net:

 Interest income (expense), net
  Loss on extinguishment of debt

Loss before income taxes
Income taxes
Net loss and comprehensive loss

   Accrued dividend on Series B Preferred stock

Net loss attributable to common stockholders

Basic and diluted net loss attributable to common
     stockholders per common share

Weighted average shares used in computing

 basic and diluted net loss attributable to common
 stockholders per common share

See accompanying notes to consolidated financial statements  

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 Fiscal Years Ended March 31,

 2020

2019

  $

  $

13,374,200 
7,427,300 
20,801,500 
(20,801,500)

30,100 
- 
(20,771,400)
(2,600)
(20,774,000)

  $

  $

17,098,500 
7,457,800 
24,556,300 
(24,556,300)

(8,000)
(22,700)
(24,587,000)
(2,600)
(24,589,600)

(1,263,600)

(1,139,900)

  $

(22,037,600)

  $

(25,729,500)

  $

(0.50)

  $

(0.90)

43,869,523 

28,562,490 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
 
 
 
 
 
  
 
 
  
 
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
 
 
 
 
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VISTAGEN THERAPEUTICS, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS
(Amounts in dollars)

 Cash flows from operating activities:

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

   Depreciation and amortization
   Stock-based compensation
   Expense related to modification of warrants
   Amortization of fair value of common stock issued for services
   Fair value of common stock issued for product licenses and option
   Amortization of fair value of warrants issued for services
   Loss on settlement of accounts payable
   Changes in operating assets and liabilities:

    Receivable from supplier
    Prepaid expenses and other current assets
    Right of use asset - operating lease
    Operating lease liability
    Accounts payable and accrued expenses
    Deferred rent

     Net cash used in operating activities

 Cash flows from property and investing activities:

  Purchases of equipment and acquisition of tenant improvements

     Net cash used in investing activities

 Cash flows from financing activities:

  Net proceeds from issuance of common stock and warrants, including Units
  Proceeds from exercise of warrants

  Proceeds from sale of warrants
  Net proceeds from sale of common stock under equity line
  Repayment of capital lease obligations
  Repayment of notes payable

     Net cash provided by financing activities

 Net (decrease) increase in cash and cash equivalents
 Cash and cash equivalents at beginning of fiscal year
 Cash and cash equivalents at end of fiscal year

 Supplemental disclosure of cash flow activities:
    Cash paid for interest
    Cash paid for income taxes

 Supplemental disclosure of noncash activities:
    Insurance premiums settled by issuing note payable
    Accrued dividends on Series B Preferred
    Fair value of common stock issued reported as deferred offering costs
    Accounts payable settled by issuing common stock

See accompanying notes to consolidated financial statements.

-94-

 Fiscal Years Ended March 31,

2020

2019

  $

(20,774,000)

  $

(24,589,600)

103,100 
3,820,800 
826,900 
92,100 
- 
13,800 
- 

300,000 
182,600 
335,400 
(267,000)
(390,700)
- 
(15,757,000)

91,200 
3,443,400 
25,800 
391,100 
4,250,000 
119,700 
22,700 

(300,000)
589,000 
- 
- 
1,338,700 
90,500 
(14,527,500)

- 
- 

(174,000)
(174,000)

3,349,000 
410,000 
300,000 

249,400 
(3,000)
(293,600)
4,011,800 
(11,745,200)
13,100,300 
1,355,100 

  $

17,041,000 
605,700 
- 

- 
(2,700)
(220,500)
17,423,500 
2,722,000 
10,378,300 
13,100,300 

14,800 
2,600 

  $
  $

8,000 
2,600 

292,800 
1,263,600 
284,400 
- 

  $
  $
  $
  $

224,000 
1,139,900 
- 
40,000 

  $

  $
  $

  $
  $
  $
  $

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
Table of Contents

VISTAGEN THERAPEUTICS, INC.

CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (DEFICIT)

Fiscal Years Ended March 31, 2019 and 2020
(Amounts in dollars, except share amounts)

Series A Preferred
Stock

Series B Preferred
Stock

Series C Preferred
Stock

 Common Stock

Paid-in     Treasury     Accumulated   

Stockholders’

 Additional

 Total

 Shares      Amount    

 Shares      Amount    

 Shares      Amount    

 Shares      Amount    

 Capital    

Stock     Deficit

Equity
(Deficit)  

Balances at
March 31,
2018

    500,000    $

500     1,160,240 

  $

1,200     2,318,012 

  $

2,300     23,068,280    $ 23,100 

  $167,401,400    $(3,968,100)   $(156,543,800)   $6,916,600 

Proceeds
from sale of
common
stock for cash
in February
2019 Public    
Offering, net
of
underwriting
discount and
expenses
Proceeds
from sale of
common
stock and
warrants for
cash and
settlement
of
professional
services
payable in
private
placement
offerings
Proceeds
from exercise
of warrants
Proceeds
from exercise
of stock
options
Accrued
dividends on
Series B
Preferred
stock
Stock-based
compensation
expense
Fair value of
common
stock issued
for PH94B
license and
PH10 option    
and license
Fair value of
common
stock and
warrants
issued for
services
Increase in
fair value
attributable
to warrant
modifications   

Net loss for
the fiscal
year ended
March 31,
2019

-     

-     

- 

-     

- 

-     11,500,000     

11,500 

   10,376,900     

-     

- 

   10,388,400 

-     

-     

-     

-     

-     

-     

-     

-     

-     

-     

-     

-     

-     

-     

-     

-     

-     

-     

- 

- 

- 

- 

- 

- 

- 

- 

- 

-     

-     

-     

-     

-     

-     

-     

-     

-     

- 

- 

- 

- 

- 

- 

- 

- 

- 

-     5,025,939     

5,000 

   6,626,400     

-     

- 

    6,631,400 

-      403,800     

400 

    605,300     

-     

-     

29,250     

- 

43,900     

-     

- 

- 

605,700 

43,900 

-     

-     

- 

   (1,139,900)    

-     

- 

   (1,139,900)

-     

-     

- 

   3,443,400     

-     

- 

    3,443,400 

-     2,556,361     

2,600 

   4,247,400     

-     

- 

    4,250,000 

-      175,000     

200 

    499,300     

-     

- 

499,500 

-     

-     

- 

25,800     

-     

- 

25,800 

-     

-     

- 

-     

-     (24,589,600)    (24,589,600)

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
 
 
 
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
 
 
   
      
      
  
   
      
  
   
      
      
  
   
      
      
  
   
  
 
   
      
      
  
   
      
  
   
      
      
  
   
      
      
  
   
  
      
      
  
   
      
  
   
      
      
  
   
      
      
  
   
  
   
   
   
   
      
      
  
   
      
  
   
      
      
  
   
      
      
  
   
  
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
      
      
  
   
      
  
   
      
      
  
   
      
      
  
   
  
   
   
   
   
   
   
   
   
   
   
   
 
   
      
      
  
   
      
  
   
      
      
  
   
      
      
  
   
  
   
   
   
   
Balances at
March 31,
2019

    500,000    $

500     1,160,240 

  $

1,200     2,318,012 

  $

2,300     42,758,630    $ 42,800 

  $192,129,900    $(3,968,100)   $(181,133,400)   $7,075,200 

Proceeds
from sale of
units of
common
stock and
warrants
for cash in
private
placements
Proceeds
from sale of
warrants in
private
placement
Proceeds
from sale of
units of
common
stock and
warrants
for cash in
public
offering and
concurrent
private
placement
Issuance of
commitment
shares and
net proceeds
of initial
sale of
common
stock under
equity line
Proceeds
from exercise
of warrants
Accrued
dividends on
Series B
Preferred
stock
Stock-based
compensation
expense
Increase in
fair value
attributed to
warrant
modifications   
and
additional
warrants
issued

Net loss for
the fiscal
year ended
March 31,
2020

Balances at
March 31,
2020

-     

-     

-     

-     

- 

- 

-     

-     

- 

- 

-      650,000     

600 

    649,400     

-     

- 

650,000 

-     

    300,000     

-     

- 

300,000 

-     

-     

- 

-     

- 

-     3,870,077     

3,900 

   2,695,100     

-     

- 

    2,699,000 

-     

-     

-     

-     

-     

-     

-     

-     

-     

-     

-     

-     

- 

- 

- 

- 

- 

- 

-     

-     

-     

-     

-     

-     

- 

- 

- 

- 

- 

- 

-     1,250,000     

1,200 

    525,100     

-     

-      820,000     

800 

    409,200     

-     

- 

- 

526,300 

410,000 

-     

-     

- 

   (1,263,600)    

-     

- 

   (1,263,600)

-     

-     

- 

   3,820,800     

-     

- 

    3,820,800 

-     

-     

- 

    826,900     

-     

- 

- 

826,900 
- 

-     

-     

- 

-     (20,774,000)    (20,774,000)

    500,000    $

500     1,160,240 

  $

1,200     2,318,012 

  $

2,300     49,348,707    $ 49,300 

  $200,092,800    $(3,968,100)   $(201,907,400)   $(5,729,400)

See accompanying notes to consolidated financial statements.

-95-

 
   
      
      
  
   
      
  
   
      
      
  
   
      
      
  
   
  
 
   
      
      
  
   
      
  
   
      
      
  
   
      
      
  
   
  
   
      
      
  
   
      
  
   
      
      
  
   
      
      
  
   
  
   
   
   
   
   
   
   
      
  
   
   
      
      
  
   
      
  
   
      
      
  
   
      
      
  
   
  
   
   
   
   
      
      
  
   
      
  
   
      
      
  
   
      
      
  
   
  
   
   
   
   
   
   
   
   
   
   
   
   
   
   
      
      
  
   
      
  
   
      
      
  
   
      
      
  
   
   
   
   
   
 
   
      
      
  
   
      
  
   
      
      
  
   
      
      
  
   
   
   
   
   
      
 
   
      
      
  
   
      
  
   
      
      
  
   
      
      
  
   
  
 
 
 
Table of Contents

1.  Description of Business

Overview

VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

VistaGen  Therapeutics,  Inc.,  a  Nevada  corporation (which  may  be  referred  to  as VistaGen, the  Company,  we,  our,  or  us),  is  a  multi-asset,  clinical-stage  biopharmaceutical
company committed to developing differentiated new generation medications for anxiety, depression and other central nervous system (CNS) diseases and disorders with high
unmet need. Our pipeline includes three clinical-stage CNS drug candidates, each with a differentiated mechanism of action, an exceptional safety profile in all clinical studies to
date, and therapeutic potential in multiple CNS markets. We aim to become a fully-integrated biopharmaceutical company that develops and commercializes innovative CNS
therapies  for  large  and  growing  mental  health  and  neurology  markets  where  current  treatments  are  inadequate  to  meet  the  needs  of  millions  of  patients  and  caregivers
worldwide.

PH94B Neuroactive Nasal Spray for Anxiety-related Disorders

PH94B  neuroactive  nasal  spray  is  an  odorless,  first-in-class,  fast-acting  synthetic  neurosteroid  with  therapeutic  potential  in  a  wide  range  of  neuropsychiatric  indications
involving anxiety or phobia. Conveniently self-administered in microgram doses without systemic exposure, we are initially developing PH94B as a potential fast-acting, non-
sedating, non-addictive new generation treatment of social anxiety disorder (SAD). SAD affects over 20 million Americans and, according to the National Institutes of Health
(NIH), is the third most common psychiatric condition after depression and substance abuse. A person with SAD feels symptoms of anxiety or fear in certain social situations,
such as meeting new people, dating, being on a job interview, answering a question in class, or having to talk to a cashier in a store. Doing everyday things in front of people -
such as eating or drinking in front of others or using a public restroom - also causes anxiety or fear. A person with SAD is afraid that he or she will be humiliated, judged, and
rejected.  The fear that people with SAD have in social situations is so strong that they feel it is beyond their ability to control. As a result, SAD gets in the way of going to
work, attending school, or doing everyday things in situations with potential for interpersonal interaction. People with SAD may worry about these and other things for weeks
before they happen. Sometimes, they end up staying away from places or events where they think they might have to do something that will embarrass or humiliate them. 
Some  people  with  SAD  have  performance  anxiety.  They  feel  physical  symptoms  of  fear  and  anxiety  in  performance  situations,  such  as  giving  a  lecture,  a  speech  or  a
presentation at school or work, as well as playing a sports game, or dancing or playing a musical instrument on stage.  Without treatment, SAD can last for many years or a
lifetime and prevent a person from reaching his or her full potential.

Only three drugs, all oral antidepressants (ADs), are approved by the U.S Food and Drug Administration (FDA) specifically for treatment of SAD. These FDA-approved chronic
ADs have slow onset of therapeutic effect (often taking many weeks to months) and significant side effects (often beginning soon after administration). Slow onset of effect,
chronic administration and significant side effects may make the FDA-approved ADs inadequate or inappropriate treatment alternatives for many individuals affected by SAD
episodically. VistaGen’s PH94B is fundamentally differentiated from all current anxiolytics, including all ADs  approved  by  the  FDA  for  treatment  of  SAD.  Intranasal  self-
administration of only approximately 3.2 micrograms of PH94B binds to nasal chemosensory receptors that, in turn, activate key neural circuits in the brain that lead to rapid
suppression of fear and anxiety. In Phase 2 and pilot Phase 3 clinical studies to date, PH94B has not shown psychological side effects (such as dissociation or hallucinations),
systemic  exposure,  sedation  or  other  side  effects  and  safety  concerns  that  may  be  caused  by  the  current ADs  approved  by  the  FDA  for  treatment  of  SAD,  as  well  as  by
benzodiazepines and beta blockers, which are not approved by the FDA to treat SAD but which may be prescribed by psychiatrists and physicians for treatment of SAD on an
off-label basis.

In a peer-reviewed, published double-blind, placebo-controlled Phase 2 clinical trial, PH94B neuroactive nasal spray was significantly more effective than placebo in reducing
both  public-speaking  (performance)  anxiety  (p=0.002)  and  social  interaction  anxiety  (p=0.009)  in  laboratory  challenges  of  individuals  with  SAD  within  15  minutes  of  self-
administration of a non-systemic 1.6 microgram dose of PH94B.  Based on its novel mechanism of pharmacological action, rapid-onset of therapeutic effects and exceptional
safety and tolerability profile in Phase 2 and pilot Phase 3 clinical trials to date, we are preparing for Phase 3 clinical development of PH94B for treatment of SAD in adults. Our
goal  is  to  develop  and  commercialize  PH94B  as  the  first  FDA-approved,  fast-acting,  on-demand,  at-home  treatment  for  SAD.  Additional  potential  anxiety-related
neuropsychiatric indications for PH94B include general anxiety disorder, peripartum anxiety (pre- and post-partum anxiety), preoperative or pre-testing (e.g., pre-MRI) anxiety,
panic disorder, post-traumatic stress disorder and specific social phobias.  The FDA has granted Fast Track designation for development of our PH94B neuroactive nasal spray
for on-demand treatment of SAD, the FDA’s first such designation for a drug candidate for SAD.

In addition to development of PH94B as a potential treatment for SAD, in April 2020, we announced plans to expand clinical development of PH94B to include treatment of
adjustment disorder, an emotional or behavioral reaction considered excessive or out of proportion to a stressful event or major life change, occurring within three months of the
stressor, and/or significantly impairing a person’s social, occupational and/or other important areas of functioning. We plan to submit our proposed protocol for an exploratory
Phase 2a study of PH94B for treatment of adjustment disorder with anxiety due to stressors related to the COVID-19 pandemic to the FDA through the Coronavirus Treatment
Acceleration Program (CTAP). The proposed Phase 2 study will be conducted in New York City on an open-label basis and involve approximately 30 subjects suffering from
adjustment disorder with anxiety from stressors related to the pandemic.

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Table of Contents

VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

PH10 Neuroactive Nasal Spray for Depression and Suicidal Ideation

PH10 neuroactive nasal spray is an odorless, fast-acting synthetic neurosteroid with therapeutic potential in a wide range of neuropsychiatric indications involving depression
and suicidal ideation. Conveniently self-administered in microgram doses without systemic exposure, we are initially developing PH94B as a potential fast-acting, non-sedating,
non-addictive new generation treatment of major depressive disorder (MDD).

Depression is a serious medical illness and a global public health concern that can occur at any time over a person's life. While most people will experience depressed mood at
some point during their lifetime, MDD is different. MDD is the chronic, pervasive feeling of utter unhappiness and suffering, which impairs daily functioning. Symptoms of
MDD include diminished pleasure or loss of interest in activities, changes in appetite that result in weight changes, insomnia or oversleeping, psychomotor agitation, loss of
energy or increased fatigue, feelings of worthlessness or inappropriate guilt, difficulty thinking, concentrating or making decisions, and thoughts of death or suicide and attempts
at  suicide.  Current  FDA-approved  medications  available  in  the  multi-billion-dollar  global AD  market  often  fall  far  short  of  satisfying  the  unmet  medical  needs  of  millions
suffering from the debilitating effects of depression.  

While current FDA-approved ADs are widely used, about two-thirds of patients with MDD do not respond to their initial AD treatment. Inadequate response to current ADs is
among the key reasons MDD is one of the leading public health concerns in the United States, creating a significant unmet medical need for new agents with fundamentally
different mechanisms of action and side effect and safety profiles.

PH10 is a new generation antidepressant with a mechanism of action that is fundamentally different from all current ADs. After self-administration, a non-systemic microgram-
level dose of PH10 binds to nasal chemosensory receptors that, in turn, activate key neural circuits in the brain that can lead to rapid-onset antidepressant effects, but without the
psychological side effects (such as dissociation and hallucinations) or safety concerns that maybe be caused by ketamine-based therapy (KBT), including intravenous ketamine
or  esketamine  nasal  spray,  or  the  significant  side  effects  of  current  ADs.  In  an  exploratory  30-patient  Phase  2a  clinical  trial,  PH10,  self-administered  at  a  dose  of  6.4
micrograms,  was  well-tolerated  and  demonstrated  significant  (p=0.022)  rapid-onset  antidepressant  effects,  which  were  sustained  over  an  8-week  period,  as  measured  by  the
Hamilton Depression Rating Scale (HAM-D), without side effects or safety concerns that may be caused by KBT. Based on positive results from this exploratory Phase 2a
study, we are preparing for Phase 2b clinical development of PH10 in MDD. With its exceptional safety profile during clinical development to date, we believe PH10, as a
convenient at-home therapy, has potential for multiple applications in global depression markets, including as a stand-alone front-line therapy for MDD, as an add-on therapy to
augment current FDA-approved ADs for patients with MDD who have an inadequate response to standard ADs, and to prevent relapse following successful treatment with
KBT.

AV-101, an Oral NMDA Receptor Antagonist

AV-101  (4-Cl-KYN)  targets  the  NMDAR  (N-methyl-D-aspartate  receptor),  an  ionotropic  glutamate  receptor  in  the  brain. Abnormal  NMDAR  function  is  associated  with
numerous CNS diseases and disorders. AV-101 is an oral prodrug of 7-chloro-kynurenic acid (7-Cl-KYNA), which is a potent and selective full antagonist of the glycine co-
agonist site of the NMDAR that inhibits the function of the NMDAR. Unlike ketamine and many other NMDAR antagonists, 7-Cl-KYNA is not an ion channel blocker. In all
studies to date, AV-101 has exhibited no dissociative or hallucinogenic psychological side effects or safety concerns similar to those that may be caused by amantadine and
KBT. With its exceptionally few side effects and excellent safety profile, AV-101 has potential to be a differentiated oral, new generation treatment for multiple large-market
CNS indications where current treatments are inadequate to meet high unmet patient needs. The FDA has granted Fast Track designation for development of AV-101 as both a
potential adjunctive treatment for MDD and as a non-opioid treatment for neuropathic pain.

We  recently  completed  a  double-blind,  placebo-controlled,  multi-center  Phase  2  clinical  trial  of AV-101  as  a  potential  adjunctive  treatment,  together  with  a  standard  FDA-
approved  oral AD  (either  a  selective  serotonin  reuptake  inhibitor  (SSRI)  or  a  serotonin  norepinephrine  reuptake  inhibitor  (SNRI)),  in  MDD  patients  who  had  an  inadequate
response  to  a  stable  dose  of  a  standard AD  (the  Elevate Study). Topline  results  of  the  Elevate  Study  (n=199)  indicated  that  the AV-101  treatment  arm  (1440  mg)  did  not
differentiate from placebo on the primary endpoint (change in the Montgomery-Åsberg Depression Rating Scale (MADRS-10) total score compared to baseline), potentially due
to  sub-therapeutic  levels  of  7-Cl-KYNA  in  the  brain. As  in  prior  clinical  studies, AV-101  was  well  tolerated,  with  no  psychotomimetic  side  effects  or  drug-related  serious
adverse events.

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Table of Contents

VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Recent  discoveries  from  successful AV-101  preclinical  studies  suggest  that  there  is  a  substantially  increased  brain  concentration  of AV-101  and  its  active  metabolite,  7-Cl-
KYNA, when AV-101 is given together with probenecid, a safe and well-known oral anion transport inhibitor used to treat gout. These surprising effects were first revealed in
our recent preclinical studies, although they are consistent with well-documented clinical studies of probenecid increasing the therapeutic benefits of several unrelated classes of
approved drugs, including certain antibacterial, anticancer and antiviral drugs. When probenecid was administered adjunctively with AV-101 in an animal model, substantially
increased brain concentrations of both AV-101 (7-fold) and of 7-Cl-KYNA (35-fold) were discovered.  We also recently identified that some of the same kidney transporters
that  reduce  drug  concentrations  in  the  blood,  by  excretion  in  the  urine,  are  also  found  in  the  blood  brain  barrier  and  function  to  reduce  7-Cl-KYNA  levels  in  the  brain  by
pumping it out of the brain and back into the blood. In the recent preclinical studies with AV-101 and probenecid, we discovered that blocking those transporters in the blood
brain barrier with probenecid resulted, as noted above, in a substantially increased brain concentration of 7-Cl-KYNA. This 7-Cl-KYNA efflux-blocking effect of probenecid,
with the resulting increased brain levels and duration of 7-Cl-KYNA, suggests the potential impact of AV-101 with probenecid could result in far more profound therapeutic
benefits for patients with MDD and other NMDAR-focused CNS diseases and disorders than demonstrated in the Elevate Study. Some of the new discoveries from our recent
AV-101  preclinical  studies  with  adjunctive  probenecid  were  presented  by  a  collaborator  of  VistaGen  at  the  British  Pharmacological  Society’s  Pharmacology  2019  annual
conference in Edinburgh, UK in December 2019.

In addition, a Phase 1b target engagement study completed after the Elevate Study by the Baylor College of Medicine (Baylor) with financial support from the U.S. Department
of  Veterans Affairs  ( VA),  involved  10  healthy  volunteer  U.S.  military  Veterans  who  received  single  doses  of AV-101  (720  mg  or  1440  mg)  or  placebo,  in  a  double-blind,
randomized,  cross-over  controlled  trial.  The  primary  goal  of  the  study  was  to  identify  and  define  a  dose-response  relationship  between  AV-101  and  multiple
electrophysiological (EEG) biomarkers related to NMDAR function, as well as blood biomarkers associated with suicidality (the Baylor Study). The findings from the Baylor
Study suggest that, in healthy Veterans, the higher dose of AV-101 (1440 mg) was associated with dose-related increase in the 40 Hz Auditory Steady State Response ( ASSR), a
robust measure of the integrity of inhibitory interneuron synchronization that is associated with NMDAR inhibition. Findings from the successful Baylor Study were presented
at the 58th Annual Meeting of the American College of Neuropsychopharmacology (ACNP) in Orlando, Florida in December 2019.

The  successful  Baylor  Study  and  the  recent  discoveries  in  our  preclinical  studies  involving AV-101  and  adjunctive  probenecid  suggest  that  it  may  be  possible  to  increase
therapeutic  concentrations  and  duration  of  7-Cl-KYNA  in  the  brain,  and  thus  increase  NMDAR  antagonism  in  MDD  patients  with  an  inadequate  response  to  standard ADs
when AV-101  and  probenecid  are  combined.  During  2020,  we  plan  to  conduct  additional AV-101  preclinical  studies  with  adjunctive  probenecid  to  evaluate  its  potential
applicability to MDD, suicidal ideation and other NMDAR-focused CNS indications for which we  have  existing  preclinical  data  with AV-101  as  a  monotherapy,  including
epilepsy, levodopa-induced dyskinesia, and neuropathic pain, to determine the most appropriate path forward for potential future clinical development and commercialization of
AV-101.

VistaStem Therapeutics – Stem Cell Technology for Drug Rescue and Regenerative Medicine

In addition to our current CNS drug candidates, we have stem cell technology-based, pipeline-enabling programs through our wholly-owned subsidiary, VistaStem Therapeutics
(VistaStem). VistaStem is focused on applying human pluripotent stem cell (hPSC) technologies, including our customized cardiac bioassay system, CardioSafe 3D, to discover
and  develop  small  molecule  New  Chemical  Entities  (NCEs)  for  our  CNS  pipeline  or  out-licensing.  In  addition,  VistaStem’s  stem  cell  technologies  involving  hPSC-derived
blood, cartilage, heart and liver cells have multiple potential applications in the cell therapy (CT) and regenerative medicine (RM) fields.

To advance potential CT and RM applications of VistaStem’s hPSC technologies related to heart cells, we licensed to BlueRock Therapeutics LP, a next generation CT/RM
company formed jointly by Bayer AG and Versant Ventures, rights to develop and commercialize certain proprietary technologies relating to the production of cardiac stem
cells for the treatment of heart disease. As a result of its acquisition of BlueRock Therapeutics in 2019, Bayer AG now holds rights to develop and commercialize VistaStem’s
hPSC  technologies  relating  to  the  production  of  heart  cells  for  the  treatment  of  heart  disease  (the Bayer Agreement).  In a manner similar to  the  Bayer Agreement,  we  may
pursue additional collaborations involving rights to develop and commercialize VistaStem’s hPSC technologies for production of blood, cartilage, and/or liver cells for CT and
RM applications, including, among other indications, treatment of arthritis, cancer and liver disease.

Subsidiaries

As  noted  above,  VistaStem  is  our  wholly-owned  subsidiary.  Our  Consolidated  Financial  Statements  in  this Annual  Report  on  Form  10-K  ( Annual Report)  also  include  the
accounts of VistaStem’s two wholly-owned inactive subsidiaries, Artemis Neuroscience, Inc., a Maryland corporation, and VistaStem Canada, Inc., a corporation organized
under the laws of Ontario, Canada.

2.  Basis of Presentation and Going Concern

The accompanying Consolidated Financial Statements have been prepared assuming that we will continue as a going concern. As a clinical-stage biopharmaceutical company
having not yet developed commercial products or achieved sustainable revenues, we have experienced negative cash flows from operations and recurring losses resulting in a
deficit  of  $201.9  million  accumulated  from  inception  (May  1998)  through  March  31,  2020.  We  expect  losses  and  negative  cash  flows  from  operations  to  continue  for  the
foreseeable  future  as  we  engage  in  further  development  of  PH94B,  PH10  and  AV-101,  execute  our  drug  rescue  programs  and  pursue  potential  drug  development  and
regenerative medicine opportunities.

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Since our inception in May 1998 through March 31, 2020, we have financed our operations and technology acquisitions primarily through the issuance and sale of our equity
and  debt  securities  for  cash  proceeds  of  approximately  $83.3  million,  as  well  as  from  an  aggregate  of  approximately  $17.7  million  of  government  research  grant  awards
(excluding  the  fair  market  value  of  government  sponsored  and  funded  clinical  trials),  strategic  collaboration  payments,  intellectual  property  licensing  and  other  revenues.
Additionally, we have issued equity securities with an approximate value at issuance of $38.1 million in noncash acquisitions of product licenses and in settlements of certain
liabilities, including liabilities for professional services rendered to us or as compensation for such services.

At March 31, 2020, we had cash and cash equivalents of approximately $1.4 million. As more completely described in Note 9,  Capital Stock, on March 24, 2020, we entered
into  a  purchase  agreement  and  a  registration  rights  agreement  with  Lincoln  Park  Capital  Fund  (Lincoln Park)  pursuant  to  which  Lincoln  Park  committed  to  purchase  up  to
$10,250,000 of our common stock at market-based prices over a period of 24 months (the LPC Agreement). On March 24, 2020, we sold 500,000 shares of our common stock
to Lincoln Park under the purchase agreement at a price of $0.50 per share for cash proceeds of $250,000 (the Initial Purchase). To satisfy our obligations under the registration
rights agreement, we filed a Registration Statement on Form S-1 (the LPC Registration Statement) with the Securities and Exchange Commission (the SEC) on March 31, 2020,
which the SEC declared effective on April 14, 2020 (Registration No. 333-237514). Subsequent to the effectiveness of the LPC Registration Statement, which included the
shares issued in the Initial Purchase, through June 26, 2020, we have sold an additional 6,201,995 registered shares of our common stock to Lincoln Park and have received
aggregate cash proceeds of $2,840,200. Additionally, in April 2020, in a self-directed private placement, we sold to an accredited investor units to purchase an aggregate of
125,000  unregistered  shares  of  our  common  stock  and  four-year  warrants  to  purchase  125,000  shares  of  our  common  stock  at  an  exercise  price  of  $0.50  per  share  and  we
received cash proceeds of $50,000 (the Spring 2020 Private Placement).

Nevertheless, in the absence of additional financing from the sale of our securities, government research grant awards, strategic collaboration payments, intellectual property
licensing or other sources, we believe that our cash position at March 31, 2020, together with the proceeds from the LPC Agreement received to date, the Spring 2020 Private
Placement, and the net cash receipt of approximately $4.475 million from the upfront payment we expect to receive pursuant to the EverInsight Agreeement (described more
completely in Note 16, Subsequent Events), will not be sufficient to fund our planned operations for the twelve months following the issuance of these financial statements and
raises substantial doubt that we can continue as a going concern.  During the next twelve months, subject to securing appropriate and adequate financing, we plan to prepare for
and launch a Phase 2a study of PH94B for treatment of adjustment disorder with anxiety due to stressors related to the COVID-19 pandemic, a Phase 3 clinical trial of PH94B
for SAD, prepare for a Phase 2b clinical study and certain nonclinical studies involving PH10, PH94B and AV-101 and prepare for and potentially launch a Phase 2b clinical
trial of PH10 for MDD. When necessary and advantageous, we plan to raise additional capital, through the sale of our equity securities in one or more (i) private placements to
accredited investors, (i) public offerings and/or (ii) in strategic licensing and development collaborations involving one or more of our drug candidates in markets outside the
United States. Subject to certain restrictions, our Registration Statement on Form S-3 (Registration No. 333-234025) (the S-3 Registration Statement), which became effective
on October 7, 2019, is available for future sales of our equity securities in one or more public offerings from time to time. While we may make additional sales of our equity
securities under the S-3 Registration Statement, we do not have an obligation to do so.

As we have been in the past, we expect that, when and as necessary, we will be successful in raising additional capital from the sale of our equity securities either in one or more
public offerings or in one or more private placement transactions with individual accredited investors and institutions. In addition to the potential sale of our equity securities,
we may also seek to enter research, development and/or commercialization collaborations that could generate revenue or provide funding, including non-dilutive funding, for
development of one or more of our CNS product candidates. We may also seek additional government grant awards or agreements similar to our relationships with Baylor and
the VA in connection with the Baylor Study. Such strategic collaborations may provide non-dilutive resources to advance our strategic initiatives while reducing a portion of
our  future  cash  outlays  and  working  capital  requirements.  We  may  also  pursue  intellectual  property  arrangements  similar  to  the  EverInsight  Agreement  and  the  Bayer
Agreement with other parties. Although we may seek additional collaborations that could generate revenue and/or provide non-dilutive funding for development of our product
candidates, as well  as  new  government  grant  awards  and/or  agreements,  no  assurance  can  be  provided  that  any  such  collaborations,  awards  or  agreements  will  occur  in  the
future.  

Our future working capital requirements will depend on many factors, including, without limitation, the scope and nature of opportunities related to our success and the success
of  certain  other  companies  in  clinical  trials,  including  our  development  and  commercialization  of  our  current  product  candidates  and  various  applications  of  our  stem  cell
technology platform, the availability of, and our ability to obtain, government grant awards and agreements, and our ability to enter into collaborations on terms acceptable to us.
To further advance the clinical development of PH94B, PH10, and AV-101 and, to a lesser extent, our stem cell technology platform, as well as support our operating activities,
we plan to continue to carefully manage our routine operating costs, including our employee headcount and related expenses, as well as costs relating to regulatory consulting,
contract  research  and  development,  investor  relations  and  corporate  development,  legal,  acquisition  and  protection  of  intellectual  property,  public  company  compliance  and
other professional services and operating costs. 

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Notwithstanding  the  foregoing,  there  can  be  no  assurance  that  our  current  strategic  collaborations  under  the  EverInsight Agreement  and  the  Bayer Agreement  will  generate
revenue from future potential milestone payments, or that future financings or government or other strategic collaborations will be available to us in sufficient amounts, in a
timely manner, or on terms acceptable to us, if at all. If we are unable to obtain substantial additional financing on a timely basis when needed during 2020 and beyond, our
business, financial condition, and results of operations may be harmed, the price of our stock may decline, we may be required to reduce, defer, or discontinue certain of our
research  and  development  activities  and  we  may  not  be  able  to  continue  as  a  going  concern.   As  noted  above,  these  Consolidated  Financial  Statements  do  not  include  any
adjustments that might result from the negative outcome of this uncertainty.

3.  Summary of Significant Accounting Policies

Use of Estimates

The preparation of financial statements in conformity with U.S. generally accepted accounting principles (U.S. GAAP) requires management to make estimates and assumptions
that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of
revenues and expenses during the reporting period. Actual results could differ from those estimates.  Significant estimates include, but are not limited to, those relating to stock-
based compensation, revenue recognition, research and development expenses, determination of right of use assets under lease transactions and related lease obligations, and
the assumptions used to value warrants, warrant modifications and warrant liabilities.

Principles of Consolidation

The  accompanying  consolidated  financial  statements  include  the  Company’s  accounts,  VistaStem’s  accounts  and  the  accounts  of  VistaStem’s  two  wholly-owned  inactive
subsidiaries, Artemis Neurosciences and VistaStem Canada. All material intercompany accounts and transactions have been eliminated in consolidation.

Cash and Cash Equivalents

Cash and cash equivalents are considered to be highly liquid investments with maturities of three months or less at the date of purchase.

Property and Equipment

Property and equipment is stated at cost. Repairs and maintenance costs are expensed in the period incurred. Depreciation is calculated using the straight-line method over the
estimated useful lives  of  the  assets.  The  estimated  useful  lives  of  property  and  equipment  range  from  three  to  seven  years.  Leasehold  improvements  are  amortized  over  the
shorter of the lease term or the useful life of the improvements.

Impairment of Long-Lived Assets

Our  long-lived  assets  consist  of  property  and  equipment.  Long-lived  assets  to  be  held  and  used  are  tested  for  recoverability  whenever  events  or  changes  in  business
circumstances indicate that the carrying amount of the assets may not be fully recoverable. Factors that we consider in deciding when to perform an impairment review include
significant underperformance of the business in relation to expectations, significant negative industry or economic trends, and significant changes or planned changes in our use
of the assets. An impairment loss would be recognized when estimated undiscounted future cash flows expected to result from the use of an asset are less than its carrying
amount. The impairment loss would be based on the excess of the carrying value of the impaired asset over its fair value, determined based on discounted cash flows. To date,
we have not recorded any impairment losses on long-lived assets.

Deferred Offering Costs

Deferred  offering  costs  are  expenses  directly  related  to  our  current  S-3  Registration  Statement  (the  Shelf  Registration),  which  became  effective  on  October  7,  2019,  and
expenses transferred from our predecessor registration statement on Form S-3, which became effective on May 12, 2017, and the LPC Registration Statement which we filed on
March 31, 2020 and which became effective on April 14, 2020. These costs consist of legal, accounting, printing, SEC filing fees, and, as appropriate, Nasdaq filing fees, and,
in the case of the LPC Registration Statement, the issuance-date fair value of certain shares of our common stock issued to Lincoln Park under the terms of the LPC Agreement.
Deferred  costs  associated  with  the  Shelf  Registration  are  reclassified  to  additional  paid-in  capital  on  a  pro-rata  basis  as  we  complete  offerings  under  the  S-3  Registration
Statement, with any remaining deferred costs to be charged to results of operations at the end of the three-year life of the S-3 Registration Statement. During the fiscal years
ended  March  31,  2020  and  2019,  we  charged  deferred  offering  costs  of  $300  and  $4,800,  respectively,  to  additional  paid-in  capital  as  a  result  of  offerings  under  the  Shelf
Registration. Deferred costs associated with the LPC Registration Statement are reclassified to additional paid-in capital on a pro-rata basis as we complete sales of our common
stock pursuant to the LPC Agreement, with any remaining deferred costs to be charged to results of operations at the end of the two-year life of the LPC Agreement. We charged
deferred offering costs of $8,100 to additional paid-in capital during the fiscal year ended March 31, 2020 as a result of sales of our common stock under the LPC Agreement.

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Revenue Recognition

VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

We  have  historically  generated  revenue  principally  from  collaborative  research  and  development  arrangements,  licensing  and  technology  transfer  agreements,  including
strategic licenses or sublicenses, and government grants. We adopted Accounting Standards Update (ASU) No. 2014-09, Revenue from Contracts with Customers (Topic 606)
and its related amendments, collectively referred to as ASC (Accounting Standards Codification) Topic 606, as of April 1, 2018, using the modified retrospective transition
method. At adoption and currently, we have only the BayerAgreement as a potential revenue generating arrangement. Upon adoption of ASC Topic 606, there was no change to
the units of accounting previously identified with respect to the Bayer Agreement under legacy GAAP, which are now considered performance obligations under ASC Topic
606, and there was no change to the revenue recognition pattern for the performance obligation. Accordingly, there was no cumulative effect change to our opening accumulated
deficit  upon  the  adoption  of  ASC  Topic  606.  The  EverInsight  Agreement,  described  more  completely  in  Note  16, Subsequent  Events,  was  executed  subsequent  to  the
completion of our fiscal year ended March 31, 2020 and we have not yet assessed the impact of Topic 606 on it.

Under ASC Topic 606, we recognize revenue when our customer obtains control of promised goods or services, in an amount that reflects the consideration that we expect to
receive  in  exchange  for  those  goods  or  services.  To  determine  revenue  recognition  for  arrangements  that  we  determine  are  within  the  scope  of  Topic  606,  we  perform  the
following five steps: (i) identify the contract with a customer; (ii) identify the performance obligations in the contract; (iii) determine the transaction price, including variable
consideration,  if  any;  (iv)  allocate  the  transaction  price  to  the  performance  obligations  in  the  contract;  and  (v)  recognize  revenue  when  (or  as)  we  satisfy  a  performance
obligation.  We  only  apply  the  five-step  model  to  contracts  when  it  is  probable  that  we  will  collect  the  consideration  to  which  we  are  entitled  in  exchange  for  the  goods  or
services we transfer to a customer.

Once a contract is determined to be within the scope of Topic 606, we assesses the goods or services promised within each contract and determine those that are performance
obligations. Arrangements that include rights to additional goods or services that are exercisable at a customer’s discretion are generally considered options. We assess whether
these options provide a material right to the customer and if so, they are considered performance obligations. The exercise of a material right may be accounted for as a contract
modification or as a continuation of the contract for accounting purposes.

We assess whether each promised good or service is distinct for the purpose of identifying the performance obligations in the contract. This assessment involves subjective
determinations and requires judgments about the individual promised goods or services and whether such are separable from the other aspects of the contractual relationship.
Promised goods and services are considered distinct provided that: (i) the customer can benefit from the good or service either on its own or together with other resources that
are readily available to the customer (that is, the good or service is capable of being distinct) and (ii) our promise to transfer the good or service to the customer is separately
identifiable from other promises in the contract (that is, the promise to transfer the good or service is distinct within the context of the contract). In assessing whether a promised
good or service is distinct in the evaluation of a collaboration arrangement subject to Topic 606, we consider factors such as the research, manufacturing and commercialization
capabilities  of  the  collaboration  partner  and  the  availability  of  the  associated  expertise  in  the  general  marketplace.  We  also  consider  the  intended  benefit  of  the  contract  in
assessing whether a promised good or service is separately identifiable from other promises in the contract. If a promised good or service is not distinct, we are required to
combine that good or service with other promised goods or services until we identify a bundle of goods or services that is distinct.

The transaction price is then determined and allocated to the identified performance obligations in proportion to their standalone selling prices (SSP) on a relative SSP basis.
SSP is determined at contract inception and is not updated to reflect changes between contract inception and satisfaction of the performance obligations. Determining the SSP
for  performance  obligations  requires  significant  judgment.  In  developing  the  SSP  for  a  performance  obligation,  we  consider  applicable  market  conditions  and  relevant
Company-specific factors, including factors that were contemplated in negotiating the agreement with the customer and estimated costs. In certain circumstances, we may apply
the residual method to determine the SSP of a good or service if the standalone selling price is considered highly variable or uncertain. We validate the SSP for performance
obligations  by  evaluating  whether  changes  in  the  key  assumptions  used  to  determine  the  SSP  will  have  a  significant  effect  on  the  allocation  of  arrangement  consideration
between multiple performance obligations.

If the consideration promised in a contract includes a variable amount, we estimate the amount of consideration to which we will be entitled in exchange for transferring the
promised goods or services to a customer. We determine the amount of variable consideration by using the expected value method or the most likely amount method. We include
the unconstrained amount of estimated variable consideration in the transaction price. The amount included in the transaction price is constrained to the amount for which it is
probable  that  a  significant  reversal  of  cumulative  revenue  recognized  will  not  occur. At  the  end  of  each  subsequent  reporting  period,  we  re-evaluate  the  estimated  variable
consideration  included  in  the  transaction  price  and  any  related  constraint,  and  if  necessary,  adjust  our  estimate  of  the  overall  transaction  price. Any  such  adjustments  are
recorded on a cumulative catch-up basis in the period of adjustment.

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

If an arrangement includes development and regulatory milestone payments, we evaluate whether the  milestones  are  considered  probable  of  being  reached  and  estimate  the
amount to be included in the transaction price using the most likely amount method. If it is probable that a significant revenue reversal would not occur, the associated milestone
value is included in the transaction price. Milestone payments that are not within our control or the licensee’s control, such as regulatory approvals, are generally not considered
probable of being achieved until those approvals are received.

In  determining  the  transaction  price,  we  adjust  consideration  for  the  effects  of  the  time  value  of  money  if  the  timing  of  payments  provides  us  with  a  significant  benefit  of
financing. We do not assess whether a contract has a significant financing component if the expectation at contract inception is such that the period between payment by the
licensee and the transfer of the promised goods or services to the licensee will be one year or less. For arrangements with licenses of intellectual property that include sales-
based royalties, including milestone payments based on the level of sales, and the license is deemed to be the predominant item to which the royalties relate, we recognize
royalty revenue and sales-based milestones at the later of (i) when the related sales occur, or (ii) when the performance obligation to which the royalty has been allocated has
been satisfied.

We then recognize as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) each performance obligation is satisfied
at a point in time or over time, and if over time, based on the use of an output or input method.

Research and Development Expenses

Research and development expenses are composed of both internal and external costs.  Internal costs include salaries and employment-related expenses, including stock-based
compensation  expense,  of  scientific  personnel  and  direct  project  costs.    External  research  and  development  expenses  consist  primarily  of  costs  associated  with  clinical  and
nonclinical development of PH94B, PH10 and AV-101, stem cell research and development costs, and costs related to the application and prosecution of patents related to AV-
101 and our stem cell technology platform. All such costs are charged to expense as incurred.

We also record accruals for estimated ongoing clinical trial costs. Clinical trial costs represent costs incurred by contract research organizations (CROs) and clinical trial sites.
Progress payments are generally made to CROs, clinical sites, investigators and other professional service providers. We analyze the progress of the clinical trial, including
levels of subject enrollment, invoices received and contracted costs when evaluating the adequacy of accrued liabilities. Significant judgments and estimates must be made in
determining the clinical trial accrual in any reporting period. Actual results could differ from those estimates under different assumptions. Revisions are charged to research and
development expense in the period in which the facts that give rise to the revision become known.

Costs incurred in obtaining product or technology licenses are charged immediately to research and development expense if the product or technology licensed has not achieved
regulatory  approval  or  reached  technical  feasibility  and  has  no  alternative  future  uses.  In  September  2018,  we  acquired  an  exclusive  license  to  develop  and  commercialize
PH94B and an option to acquire a license to develop and commercialize PH10 by issuing an aggregate of 1,630,435 unregistered shares of our common stock having a fair
market value of $2,250,000. In October 2018, we exercised our option to acquire an exclusive license to develop and commercialize PH10 by issuing 925,926 shares of our
unregistered common stock having a fair market value of $2,000,000. Since, at the date of each acquisition, neither product candidate had achieved regulatory approval and
each requires significant additional development and expense, we recorded the costs related to acquiring the licenses and the option as research and development expense.

Stock-Based Compensation

We recognize compensation cost for all stock-based awards to employees and non-employee consultants based on the grant date fair value of the award.  We record stock-based
compensation expense over the period during which the employee or other grantee is required to perform services in exchange for the award, which generally represents the
scheduled vesting period. We have not granted restricted stock awards to employees or consultants nor do we have any awards with market or performance conditions. Prior to
our April 1, 2019 adoption of ASU 2018-07, Compensation-Stock Compensation (Topic 718), Improvements to Nonemployee Share-Based Payment Accounting (ASU 2018-07),
we historically re-measured the fair value of option grants to non-employees as they vested and any resulting increase in value was recognized as an expense during the period
over  which  the  services  were  performed.  Under ASU  2018-17,  expense  recognition  for  grants  to  non-employees  follows  the  same  methodology  as  for  employees.  Noncash
expense attributable to compensatory grants of our common stock to non-employees is determined by the quoted market price of the stock on the date of grant and is either
recognized as fully-earned at the time of the grant or expensed ratably over the term of the related service agreement, depending on the terms of the specific agreement.

Income Taxes

We  account  for  income  taxes  using  the  asset  and  liability  approach  for  financial  reporting  purposes.  Deferred  tax  assets  and  liabilities  are  recognized  for  the  future  tax
consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases and operating loss and
tax credit carryforwards. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in  the  years  in  which  those  temporary
differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the
enactment date. Valuation allowances are established, when necessary, to reduce the deferred tax assets to an amount expected to be realized.

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Right of Use Assets and Operating Lease Obligations

We adopted Accounting Standards Update No. 2016-02, “Leases (Topic 842)” (ASU 2016-02) effective April 1, 2019. ASU 2016-02 requires that we determine, at the inception
of an arrangement, whether the arrangement is or contains a lease, based on the unique facts and circumstances present. Operating lease assets represent our right to use an
underlying asset for the lease term (Right of use assets) and operating lease liabilities represent our obligation to make lease payments arising from the lease. Right of use assets
and operating lease liabilities are recognized at the commencement date of the lease based upon the present value of lease payments over the lease term. When determining the
lease term, we include options to extend or terminate the lease when it is reasonably certain, at inception, that we will exercise that option. The interest rate implicit in lease
contracts is typically not readily determinable; accordingly, we use our incremental borrowing rate, which is the rate that would be incurred to borrow on a collateralized basis
over  a  similar  term  an  amount  equal  to  the  lease  payments  in  a  similar  economic  environment,  based  upon  the  information  available  at  the  commencement  date.  The  lease
payments used to determine our operating lease assets may include lease incentives, stated rent increases and escalation clauses linked to rates of inflation, when determinable,
and  are  recognized  in  determining  our  Right  of  use  assets.  Our  operating  lease  is  reflected  in  the  Right-of-use  asset  –  operating  lease;  Operating  lease  obligation  -  current
portion; and Operating lease obligation - non-current portion in our consolidated balance sheets.

Lease expense for minimum lease payments is recognized on a straight-line basis over the lease term. As a result of our adoption of ASU 2016-02, we no longer recognize
deferred rent on the consolidated balance sheet. Short-term leases, defined as leases that have a lease term of 12 months or less at the commencement date, are excluded from
this treatment and are recognized on a straight-line basis over the term of the lease. Variable lease payments are amounts owed by us to a lessor that are not fixed, such as
reimbursement for common area maintenance costs for our facility lease; and are expensed when incurred.

Financing leases, formerly referred to as capitalized leases, are treated similarly to operating leases except that the asset subject to the lease is included in the appropriate fixed
asset category, rather than recorded as a Right of use asset, and depreciated over its estimated useful life, or lease term, if shorter.

Concentrations of Credit Risk

Financial instruments, which potentially subject us to concentrations of credit risk, consist of cash and cash equivalents. Our investment policies limit any such investments to
short-term, low-risk instruments. We deposit cash and cash equivalents with quality financial institutions which are insured to the maximum of federal limitations. Balances in
these accounts may exceed federally insured limits at times.

Fair Value Measurements

We do not use derivative instruments for hedging of market risks or for trading or speculative purposes. When applicable, we follow the principles of fair value accounting as
they relate to our financial assets and financial liabilities. Fair value is defined as the estimated exit price received to sell an asset or paid to transfer a liability in an orderly
transaction between market participants at the measurement date, rather than an entry price that represents the purchase price of an asset or liability.  Where available, fair value
is  based  on  observable  market  prices  or  parameters,  or  derived  from  such  prices  or  parameters.    Where  observable  prices  or  inputs  are  not  available,  valuation  models  are
applied.    These  valuation  techniques  involve  some  level  of  management  estimation  and  judgment,  the  degree  of  which  is  dependent  on  several  factors,  including  the
instrument’s complexity.  The required fair value hierarchy that prioritizes observable and unobservable inputs used to measure fair value into three broad levels is described as
follows:

●  Level 1 — Quoted prices (unadjusted) in active markets that are accessible at the measurement date for assets or liabilities. The fair value hierarchy gives the highest

priority to Level 1 inputs.

●  Level 2 — Inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices for similar assets or liabilities; quoted prices in markets that

are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

●  Level 3 — Unobservable inputs (i.e., inputs that reflect the reporting entity’s own assumptions about the assumptions that market participants would use in estimating the

fair value of an asset or liability) are used when little or no market data is available. The fair value hierarchy gives the lowest priority to Level 3 inputs.

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

A financial instrument’s categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement.  Where quoted
prices  are  available  in  an  active  market,  securities  are  classified  as  Level  1  of  the  valuation  hierarchy.  If  quoted  market  prices  are  not  available  for  the  specific  financial
instrument, then we estimate fair value by using pricing models, quoted prices of financial instruments with similar characteristics or discounted cash flows. In certain cases
where there is limited activity or less transparency around inputs to valuation, financial assets or liabilities are classified as Level 3 within the valuation hierarchy.

We carried no assets or liabilities that are measured on a recurring basis at fair value at March 31, 2020 or 2019.

Warrants Issued in Connection with Equity Financing

We generally account for warrants issued in connection with equity financings as a component of equity, unless there is a deemed possibility that we may have to settle the
warrants  in  cash  or  the  warrants  contain  other  features  requiring  them  to  be  treated  as  liabilities.  For  warrants  issued  with  the  possibility  of  cash  settlement,  or  otherwise
requiring liability treatment, we record the fair value of the issued warrants as a liability at each reporting period and record changes in the estimated fair value as noncash gain
or loss in the Consolidated Statements of Operations and Comprehensive Loss.

Reclassifications

Certain prior year amounts in the Consolidated Financial Statements have been reclassified to conform to the current year’s presentation.

Comprehensive Loss

We have no components of other comprehensive loss other than net loss, and accordingly our comprehensive loss is equivalent to our net loss for the periods presented.

Loss per Common Share Attributable to Common Stockholders

Basic net loss attributable to common stockholders per share of common stock excludes the effect of dilution and is computed by dividing net loss increased by the accrual for
dividends  on  our  Series  B  Preferred by  the  weighted-average  number  of  shares  of  common  stock  outstanding  for  the  period.  Diluted  net  loss  attributable  to  common
stockholders  per  share  of  common  stock  reflects  the  potential  dilution  that  could  occur  if  securities  or  other  contracts  to  issue  shares  of  common  stock  were  exercised  or
converted  into  shares  of  common  stock.  In  calculating  diluted  net  loss  attributable  to  common  stockholders  per  share,  we  have  generally  not  increased  the  denominator  to
include the number of potentially dilutive common shares assumed to be outstanding during the period using the treasury stock method because the result is antidilutive.

As  a  result  of  our  net  loss  for  both  years  presented,  potentially  dilutive  securities  were  excluded  from  the  computation  of  diluted  loss  per  share,  as  their  effect  would  be
antidilutive.

Basic and diluted net loss attributable to common stockholders per share was computed as follows:

 Numerator:
 Net loss attributable to common stockholders for basic and diluted earnings

per share

 Denominator:

 Fiscal Years Ended March 31,

 2020

 2019

  $

(22,037,600)

  $

(25,729,500)

 Weighted average basic and diluted common shares outstanding

43,869,523 

28,562,490 

 Basic and diluted net loss attributable to common stockholders per common share

  $

(0.50)

  $

(0.90)

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Potentially dilutive securities excluded in determining diluted net loss per common share for the fiscal years ended March 31, 2020 and 2019 are as follows:

Series A Preferred stock issued and outstanding (1)

Series B Preferred stock issued and outstanding (2)

Series C Preferred stock issued and outstanding (3)

Outstanding options under the Company's Amended and Restated 2016 (formerly 2008) Stock Incentive Plan and 2019 Omnibus
Equity Incentive Plan

Outstanding warrants to purchase common stock

Total

As of March 31,

2020

2019

750,000 

750,000 

1,160,240 

1,160,240 

2,318,012 

2,318,012 

10,003,088 

6,626,088 

26,555,281 

21,453,402 

40,786,621 

32,307,742 

(1) Assumes  exchange  under  the  terms  of  the  October  11,  2012  Note  Exchange  and  Purchase  Agreement,  as

amended

(2) Assumes exchange under the terms of the Certificate of Designation of the Relative Rights and Preferences of the Series B 10% Convertible Preferred Stock, effective May

5, 2015; excludes common shares issuable in payment of dividends on Series B Preferred upon conversion

(3) Assumes exchange under the terms of the Certificate of Designation of the Relative Rights and Preferences of the Series C Convertible Preferred Stock, effective January 25,

2016

Recent Accounting Pronouncements

We believe the following recent accounting pronouncements or changes in accounting pronouncements are of significance or potential significance to the Company.

In  February  2016,  the  Financial Accounting  Standards  Board  (FASB)  issued Accounting  Standards  Update  (ASU)  2016-02, Leases  (ASC  842),  which  replaced  the  existing
guidance in ASC 840, Leases, and which sets out the principles for the recognition, measurement, presentation and disclosure of leases for both parties to a contract (i.e. lessees
and lessors). The new standard requires lessees to apply a dual approach, classifying leases as either finance or operating leases based on the principle of whether or not the lease
is effectively a financed purchase by the lessee. This classification will determine whether lease expense is recognized based on an effective interest method or on a straight-line
basis over the term of the lease, respectively. A lessee is also required to record a right-of-use asset and a lease liability for all leases with a term of greater than 12 months
regardless of their classification. Leases with a term of 12 months or less will be accounted for similar to the current guidance for operating leases. We adopted this standard
effective with our fiscal year beginning April 1, 2019. At adoption, w e  recognized  approximately  $4.3  million  as  total  lease  liabilities  and  $3.9  million  as  total  right-of-use
assets in our Consolidated Balance Sheet and derecognized a deferred rent liability of approximately $0.4 million attributable to the operating lease of our primary office and
laboratory  facilities  recorded  in  accordance  with  prior  guidance.  In  connection  with  our  adoption  of  ASC  842,  we  evaluated  our  contracts  with  clinical  research  and
manufacturing organizations and determined that such contracts do not contain embedded leases.

In June 2018, the FASB issued ASU 2018-07, Compensation-Stock Compensation (Topic 718), Improvements to Nonemployee Share-Based Payment Accounting (ASU 2018-
07). ASU 2018-07 expands the scope of Topic 718 to include share-based payment transactions for acquiring goods and services from nonemployees. ASU 2018-07 aligns the
accounting  for  share-based  payment  awards  issued  to  employees  and  non-employees.  Under ASU  2018-07,  the  existing  guidance  regarding  share-based  transactions  with
employees also applies to share-based transactions with non-employees, as long as the transaction is not effectively a form of financing, with the exception of specific guidance
related  to  the  attribution  of  compensation  cost.  The  cost  of  non-employee  awards  will  continue  to  be  recorded  as  if  the  grantor  had  paid  cash  for  the  goods  or  services.  In
addition, the contractual term may be used in lieu of an expected term in the option-pricing model for non-employee awards. We adopted ASU 2018-07 effective with our fiscal
year beginning April 1, 2019 and it did not have a material impact on our consolidated financial statements.

Other accounting standards that have been issued or proposed by the FASB or other standards-setting bodies that do not require adoption until a future date are not expected to
have a material impact on our consolidated financial statements upon adoption.

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4.  Receivable from Supplier

VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

This amount reflects the balance of a prepayment made to a contract manufacturing organization that was refunded by the organization in May 2019 due to the termination of
the underlying contract prior to March 31, 2019.

5. Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist of the following:

 Clinical and nonclinical materials and contract services
 Fair value of securities issued for professional services
 Insurance
 All other

6.  Property and Equipment

Property and equipment consists of the following:

 Laboratory equipment
 Tenant improvements
 Computers and network equipment
 Office furniture and equipment

 Accumulated depreciation and amortization
 Property and equipment, net

 March 31,

 2020

 2019

115,200 
- 
107,200 
2,700 
225,100 

  $

  $

5,900 
105,900 
96,300 
20,500 
228,600 

 March 31,

 2020

 2019

892,500 
214,400 
54,600 
84,600 
1,246,100 
(1,036,500)
209,600 

  $

  $

892,500 
214,400 
54,600 
84,600 
1,246,100 
(933,400)
312,700 

  $

  $

  $

  $

The following table summarizes depreciation and amortization expense attributable to owned and leased property and equipment for the fiscal years ended March 31, 2020 and
2019:

 Owned assets
 Leased assets
 Total depreciation and amortization

Other than certain leased office equipment, none of our assets were subject to third party security interests at March 31, 2020 or 2019.

7.  Accrued Expenses

Accrued expenses consist of:

 Accrued expenses for clinical and nonclinical
      materials, development and contract services
 Accrued compensation
 Accrued professional services
 All other

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 Fiscal Years Ended March 31,

2020

2019

  $

  $

100,200 
2,900 
103,100 

  $

  $

88,300 
2,900 
91,200 

 March 31,

 2020

 2019

  $

  $

462,300 
- 
76,500 
22,700 
561,500 

  $

  $

1,067,600 
439,200 
172,100 
6,700 
1,685,600 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

8.  Note Payable

The following table summarizes our note payable:

Principal
Balance

March 31, 2020
Accrued
Interest

Total

Principal
Balance

March 31, 2019
Accrued
Interest

Total

7.30% (2020) and 7.75% (2019) Note payable
to insurance premium financing company (current)

  $

56,500 

  $

- 

  $

56,500 

  $

57,300 

  $

- 

  $

57,300 

In February 2019, we executed a 7.75% promissory note in the face amount of $63,500 in connection with certain insurance policy premiums. The note was payable in monthly
installments  of  $6,600,  including  principal  and  interest,  through  December  2019  and  had  a  balance  of  $57,300  at  March  31,  2019.  In  May  2019,  we  executed  a  7.15%
promissory note in the principal amount of $230,200 in connection with other insurance policy premiums. That note was payable in monthly installments of $23,800, including
principal and interest, through March 2020, when it was paid in full. In February 2020, we executed a 7.30% promissory note in the principal amount of $62,000 in connection
with renewal of the insurance policy that began in February 2019. That note is payable in monthly installments of $6,500, including principal and interest, through December
2020, and has a balance of $56,500 at March 31, 2020.

9.  Capital Stock

Common Stock

At our Annual Meeting of Stockholders on September 5, 2019, as approved by and recommended to our stockholders by our Board, our stockholders approved an amendment
to our Restated Articles of Incorporation to increase the authorized number of shares of common stock that we may issue from 100.0 million shares to 175.0 million shares. The
amendment became effective on September 6, 2019, upon our filing of a certificate of amendment with the Nevada Secretary of State. In connection with an underwritten public
offering of our common stock and warrants in May 2016, our common stock was approved for listing on the Nasdaq Capital Market. Our common stock has been trading on the
Nasdaq Capital Market under the symbol “VTGN” since May 11, 2016.

Series A Preferred Stock

In December 2011, our Board authorized the creation of a series of up to 500,000 shares of Series A Preferred, par value $0.001 ( Series A Preferred).  Each restricted share of
Series A Preferred is currently convertible at the option of the holder into one and one-half restricted shares of our common stock.  The Series A Preferred ranks prior to the
common stock for purposes of liquidation preference.

The Series A Preferred has no separate dividend rights, however, whenever the Board declares a dividend on the common stock, each holder of record of a share of Series A
Preferred shall be entitled to receive an amount equal to such dividend declared on one share of common stock multiplied by the number of shares of common stock into which
such share of Series A Preferred could be converted on the applicable record date.

Except with respect to transactions upon which the Series A Preferred shall be entitled to vote separately as a class, the Series A Preferred has no voting rights. The restricted
common stock into which the Series A Preferred is convertible shall, upon issuance, have all of the same voting rights as other issued and outstanding shares of our common
stock.

In  the  event  of  the  liquidation,  dissolution  or  winding  up  of  our  affairs,  after  payment  or  provision  for  payment  of  our  debts  and  other  liabilities,  the  holders  of  Series A
Preferred then outstanding shall be entitled to receive distributions out of our assets, if any, an amount per share of Series A Preferred calculated by taking the total amount
available for distribution to holders of all of our outstanding common stock before deduction of any preference payments for the Series A Preferred, divided by the total of (x),
all of the then outstanding shares of our common stock, plus (y) all of the shares of our common stock into which all of the outstanding shares of the Series A Preferred can be
converted before any payment shall be made or any assets distributed to the holders of the common stock or any other junior stock.

At March 31, 2020 and 2019, there were 500,000 restricted shares of Series A Preferred outstanding, convertible into 750,000 shares of our common stock at the option of the
two respective holders.

Series B Preferred Stock

In July 2014, our Board authorized the creation of a class of Series B Preferred Stock, par value $0.001 (Series B Preferred). In May 2015, we filed a Certificate of Designation
of the Relative Rights and Preferences of the Series B 10% Preferred Stock of VistaGen Therapeutics, Inc. ( Certificate of Designation) with the Nevada Secretary of State to
designate 4.0 million shares of our authorized preferred stock as Series B Preferred.

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Each share of Series B Preferred is convertible, at the option of the holder (Voluntary Conversion),  into  one  (1)  share  of  our  common  stock,  subject  to  adjustment  only  for
customary  stock  dividends,  reclassifications,  splits  and  similar  transactions  set  forth  in  the  Certificate  of  Designation.  Outstanding  shares  of  Series  B  Preferred  are  also
convertible automatically on a one-to-one basis into shares of our common stock (Automatic Conversion) upon the closing or effective date of any of the following transactions
or events: (i) a strategic transaction involving AV-101 with an initial up-front cash payment to us of at least $10.0 million; (ii) a registered public offering of our common stock
with aggregate gross proceeds to us of at least $10.0 million; or (iii) for 20 consecutive trading days, our common stock trades at least 20,000 shares per day with a daily closing
price  of  at  least  $12.00  per  share;  provided,  however,  that  Automatic  Conversion  and  Voluntary  Conversion  (collectively,   Conversion)  are  subject  to  certain  beneficial
ownership blockers as set forth in the Certificate of Designation and/or securities purchase agreements. Following the completion of our underwritten public offering in May
2016,  which  occurred  concurrently  with  and  facilitated  the  listing  of  our  common  stock  on  the  NASDAQ  Capital  Market,  approximately  2.4  million  shares  of  Series  B
Preferred  were  converted  automatically  into  approximately  2.4  million  shares  of  our  common  stock  pursuant  to  the Automatic  Conversion  provision.  There  have  been  no
conversions of Series B Preferred since August 2016.

Prior to Conversion, shares of Series B Preferred accrue in-kind dividends (payable only in unregistered shares of our common stock) at a rate of 10% per annum (Accrued
Dividends).  The Accrued Dividends are payable on the date of either a Voluntary Conversion or Automatic Conversion in that number of shares of common stock equal to the
Accrued Dividends. At March 31, 2020, we have recognized a liability in the amount of $5,011,800 for Accrued Dividends in the  accompanying Consolidated Balance Sheet at
March 31, 2020, based on the Series B Preferred issued and outstanding through that date. We have recognized a deduction from net loss of $1,263,600 and $1,139,900 related
to dividends on Series B Preferred in arriving at net loss attributable to common stockholders in the accompanying Consolidated Statement of Operations and Comprehensive
Loss for the fiscal years ended March 31, 2020 and 2019, respectively.

In the event of the liquidation, dissolution or winding-up of our affairs, after payment or provision for payment of our debts and other liabilities, the Holders of the Series B
Preferred then outstanding shall be entitled to receive distributions out of our assets, if any, of an amount equal to the Stated Value of the Series B Preferred ($7.00 per share),
plus any accrued and unpaid dividends thereon, before any distribution or payment shall be made to the holders of any junior securities, including holders of our common stock.
If our assets are insufficient to pay, in full, such amounts, then the entire assets to be distributed to the holders of the Series B Preferred shall be ratably distributed among the
holders in accordance with the respective amounts that would be payable on such shares if all amounts payable thereon were paid in full. Upon liquidation, each share of Series
B  Preferred  ranks  pari-passu  with  our  Series A  Preferred  and  our  Series  C  Preferred  (defined  below). The  liquidation  value  of  the  Series  B  Preferred  at  March  31,  2020  is
approximately $13,134,400.

At March 31, 2020 and 2019, there were 1,160,240 shares of Series B Preferred outstanding, which shares are subject to beneficial ownership blockers and are exchangeable at
the option of the two respective holders by Voluntary Conversion, or pursuant to Automatic Conversion to the extent not otherwise subject to beneficial ownership blockers, into
an aggregate of 1,160,240 shares of our common stock, excluding shares of our common stock which may be issued in payment of Accrued Dividends upon conversion.

Series C Preferred Stock

In January 2016, our Board authorized the creation of and we filed a Certificate of Designation of the Relative Rights and Preferences of the Series C Convertible Preferred
Stock of VistaGen Therapeutics, Inc. (the Series C Preferred Certificate of Designation) with the Nevada Secretary of State to designate 3.0 million shares of our preferred
stock, par value $0.001 per share, as Series C Convertible Preferred Stock (Series C Preferred).

In  the  event  of  the  liquidation,  dissolution  or  winding  up  of  our  affairs,  after  payment  or  provision  for  payment  of  our  debts  and  other  liabilities,  the  holders  of  Series  C
Preferred then outstanding shall be entitled to receive, out of our assets, if any, an amount per share of Series C Preferred calculated by taking the total amount available for
distribution to holders of all of our outstanding common stock before deduction of any preference payments for the Series C Preferred, divided by the total of (x), all of the then
outstanding shares of our common stock, plus (y) all of the shares of our common stock into which all of the outstanding shares of the Series C Preferred can be exchanged
before any payment shall be made or any assets distributed to the holders of the common stock or any other junior stock. Upon liquidation, each share of Series C Preferred
ranks pari-passu with our Series B Preferred and our Series A Preferred.

Each share of Series C Preferred is convertible, at the option of the holder into one share of our common stock, subject to certain beneficial ownership limitations as set forth in
the Series C Preferred Certificate of Designation. Shares of the Series C Preferred do not accrue dividends, and holders of the Series C Preferred have no voting rights. At
March 31, 2020 and 2019, one holder and its affiliates held all 2,318,012 outstanding shares of Series C Preferred.

During our fiscal years ended March 31, 2019 and 2020, we completed private placement and public offerings as described below.

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Common Stock and Warrants Issued in Summer 2018 Private Placement

Between June 2018 and October 2018, we completed a self-placed private placement with accredited investors, pursuant to which we sold units, at a purchase price of $1.25 per
unit, consisting of 4,605,000 unregistered shares of our common stock and warrants, exercisable through February 28, 2022, to purchase 4,605,000 unregistered shares of our
common stock at an exercise price of $1.50 per share (the Summer 2018 Private Placement). The purchasers of the units have no registration rights with respect to the shares of
common stock, warrants or the shares of common stock issuable upon exercise of the warrants comprising the units sold. The warrants are not exercisable until at least six
months and one day following the date of issuance. We received aggregate cash proceeds of $5,756,200 in connection with the Summer 2018 Private Placement and the entire
amount of the proceeds was credited to stockholders’ equity. Refer to Note 16,  Subsequent Events, for disclosure regarding filing of a registration statement including the shares
of common stock underlying the warrants issued in the Summer 2018 Private Placement.

Common Stock and Warrants Issued in Fall 2018 Private Placement

The  Summer  2018  Private  Placement  was  oversubscribed.  To  accommodate  additional  investor  interest,  during  October  2018,  we  accepted  subscription  agreements  from
accredited investors, pursuant to which we sold to such investors units, at a unit purchase price equal to $0.15 above the closing quoted market price of our common stock on the
Nasdaq Capital Market on the effective date of the investor’s subscription agreement, consisting of an aggregate of 420,939 unregistered shares of our common stock and four-
year, immediately exercisable warrants to purchase 420,939 unregistered shares of our common stock at a per share exercise price equal to the closing quoted market price of
our common stock on the Nasdaq Capital Market on the effective date of the investor’s subscription agreement (the Fall 2018 Private Placement). The purchasers of the units
have no registration rights with respect to the shares of common stock, warrants or the shares of common stock issuable upon exercise of the warrants comprising the units sold.
We received aggregate cash proceeds of $812,500 in connection with the Fall 2018 Private Placement and settled an outstanding professional service payable by accepting a
subscription agreement in the amount of $40,000 and issuing the corresponding number of shares of common stock and warrants. The entire amount of the proceeds of the Fall
2018 Private Placement was credited to stockholders’ equity. The fair value of the common stock and warrant issued in the Fall 2018 Private Placement in settlement of the
professional services payable was determined to be $62,700 on the effective date of the agreement. Accordingly, we recognized a loss on extinguishment of accounts payable in
the amount of $22,700 in our Consolidated Statement of Operations and Comprehensive Loss for the fiscal year ended March 31, 2019. Refer to Note 16, Subsequent Events,
for disclosure regarding filing of a registration statement including the shares of common stock underlying the warrants issued in the Fall 2018 Private Placement.

Modification of Warrants issued in Summer 2018 Private Placement

Subsequent  to  the  completion  of  the  Summer  2018  Private  Placement,  we  amended  warrants  to  purchase  an  aggregate  of  304,000  shares  of  our  common  stock  issued  to
investors who submitted Summer 2018 Private Placement subscription agreements between October 3, 2018 and October 5, 2018 to increase the exercise price of their warrants
from $1.50 per share to $1.59 per share or $1.69 per share, depending on the effective date of the related subscription agreement, to comply with certain provisions of The
Nasdaq Stock Market Rules applicable to the private placement. As additional consideration for agreeing to the increase in the warrant exercise price, we granted the investors
additional  warrants  to  purchase  an  aggregate  of  23,800  unregistered  shares  of  our  common  stock  at  an  exercise  price  of  $1.75  per  share  through  February  28,  2022. We
calculated the fair value of the modified warrants immediately before and after the modification using the Black Scholes Option Pricing Model and determined that the increase
in the exercise price resulted in a decrease in the fair value of the warrants, which decrease is not recognized. We calculated the fair value of the 23,800 additional warrants using
the Black-Scholes Option Pricing Model and the weighted average assumptions indicated in the table below, recognizing $25,800 as the fair value of the new warrants and as
warrant modification expense, included as a component of general and administrative expenses, in our Consolidated Statement of Operations and Comprehensive Loss for the
fiscal year ended March 31, 2019.

Assumption:
Market price per share
Exercise price per share
Risk-free interest rate
Remaining contractual term in years
Volatility
Dividend rate

Number of warrant shares
Weighted average fair value per share

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  New Warrants  
1.80 
  $
1.75 
  $
2.83%
3.25 
88.80%
0.0%

  $

23,800 
1.08 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Issuance of Common Stock for Product Licenses and Option

As indicated in Note 3, Summary of Significant Accounting Policies, in September 2018 we issued an aggregate of 1,630,435 shares of our unregistered common stock having a
fair market value of $2,250,000, based on the $1.38 per share quoted closing market price of our common stock on the Nasdaq Capital Market, to Pherin to acquire an exclusive
worldwide license to develop and commercialize PH94B and an option to acquire a similar license for PH10. In October 2018, we exercised our option to acquire an exclusive
worldwide license to develop and commercialize PH10 by issuing 925,926 shares of our unregistered common stock having a fair market value of $2,000,000, based on the
$2.16 per share closing quoted market price of our common stock on the Nasdaq Capital Market, to Pherin under the terms of the PH10 license agreement. Under the terms of
the PH94B and PH10 license agreements, we are obligated to make additional cash payments and pay royalties to Pherin in the event that certain regulatory and performance-
based milestones and commercial sales are achieved. Additionally, in connection with the license agreements, we are obligated to pay to Pherin monthly support payments of
$10,000 for a term of 18 months, however no monthly support payment is required during the 18-month period identified in the PH10 license agreement if support payments are
being made under the terms of the PH94B license agreement. The support payments required under the PH94B license agreement terminated in March 2020 and will terminate
in April 2020 under the PH10 license agreement.

Common Stock Issued in Spring 2019 Public Offering

During the quarter ended March 31, 2019, we completed an underwritten public offering of 11,500,000 shares of our common stock, including the overallotment option, at a
public  offering  price  of  $1.00  per  share,  resulting  in  gross  proceeds  to  us  of  $11,500,000,  pursuant  to  our  shelf  registration  statement  on  Form  S-3  (File  No.  333-215671),
previously  filed  with  the  SEC  (the Spring  2019  Public  Offering).  We  received  net  proceeds  of  approximately  $10.4  million  after  deducting  underwriter’s  commission  and
offering expenses.

Common Stock and Warrants Issued in Fall 2019 Private Placement

Between October 30, 2019 and November 7, 2019, in a self-placed private placement and pursuant to subscription agreements received from certain accredited investors, we
sold to such investors units, at a purchase price of $1.00 per unit, consisting of an aggregate of 650,000 unregistered shares of our common stock and warrants, exercisable
beginning six months and one day following issuance and through November 1, 2023, to purchase 325,000 unregistered shares of our common stock at an exercise price of
$2.00 per share (the Fall 2019 Private Placement). We received cash proceeds of $650,000 from the Fall 2019 Private Placement.

As further described below under “Winter 2019 Warrant Modification,” in December 2019, we modified the warrants issued in connection with the Fall 2019 Private Placement
to (i) reduce the exercise price from $2.00 per share to $0.50 per share and (ii) to allow for the warrants to become immediately exercisable. Further, we issued warrants to
purchase an aggregate of 325,000 additional shares of our common stock to the participants in the Fall 2019 Private Placement (the Additional Warrants) to increase the number
of unregistered shares of common stock issuable upon exercise of the warrants from 50% to 100%. The Additional Warrants are immediately exercisable through March 31,
2024 at an exercise price of $0.50 per share.

We calculated the  fair  value  of  the Additional  Warrants  using  the  Black  Scholes  Option  Pricing  Model  and  the  weighted  average  assumptions  indicated  in  the  table  below,
recognizing  $88,800  as  the  fair  value  of  the  new  warrants  and  as  warrant  modification  expense,  included  as  a  component  of  general  and  administrative  expenses,  in  our
Consolidated Statement of Operations and Comprehensive Loss for the fiscal year ended March 31, 2020.

Assumption:
Market price per share
Exercise price per share
Risk-free interest rate
Contractual term in years
Volatility
Dividend rate

Number of warrant shares
Weighted average fair value per share

Winter 2019 Warrant Modification

  $
  $

Additional
Warrants

0.44 
0.50 
1.59%
4.32 
86.64%
0.0%

  $

325,000 
0.27 

On December 4, 2019, we modified outstanding warrants previously issued as a part of completed private placements to temporarily reduce, for a period of two years or, if
sooner, until the expiration of the warrant, the exercise price of such warrants to $0.50 per share, in order to more closely align the exercise price of the warrants with the trading
price of our common stock at such time (the Winter 2019 Warrant Modification). Following the two-year period during which the exercise price is reduced, the exercise price of
each then-outstanding modified warrant will revert to its pre-modification price. As a result of the Winter 2019 Warrant Modification, outstanding warrants to purchase a total of
approximately 6.6 million unregistered shares of our common stock were modified.

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

We calculated the fair value of the modified warrants, including those issued in the Fall 2019 Private Placement, immediately before and after the modification using the Black
Scholes Option Pricing Model for pre-modification valuations and for post-modification valuations for warrants expiring in less than two years. For the warrants expiring after
the December 4, 2021 exercise price reversion date, we ran a binomial model using 24 steps, one for each month, and lognormal distribution to estimate our stock price at
December 4, 2021, the termination date for the exercise price reduction. We then compared the exercise value of each warrant at each estimated stock price to the remaining
option value if the warrant was not exercised on December 4, 2021 and allowed to revert to its original exercise price. For any estimated stock price above $0.50 per share (an
in-the-money warrant), we determined that the holders would convert their warrants. For any estimated stock price below $0.50 per share, we determined that the holders would
continue to hold their warrants. Given the significant reductions in exercise price (the pre-modification exercise prices ranged from $1.50 to $2.24 per share), if the warrants are
not  exercised  prior  to  December  4,  2021,  the  Black-Scholes  values  upon  the  reversion  of  the  exercise  prices  are  very  low,  such  that  there  is  nominal  additional  value  for
continuing to hold the warrants. Accordingly, our estimated post-modification fair value for warrants having an expiration date later than the two-year exercise price reversion
date, December 4, 2021, is equal to the value of an option determined using the Black Scholes Option Pricing Model having an exercise price of $0.50 per share and a two-year
term and related assumptions. The table below indicates the pre- and post-modification weighted average assumptions used in our valuations. We recognized the incremental
fair  value,  $702,500,  as  warrant  modification  expense,  included  as  a  component  of  general  and  administrative  expenses,  in  our  Consolidated  Statement  of  Operations  and
Comprehensive Loss for the fiscal yer ended March 31, 2020.

Assumption:
Market price per share
Exercise price per share
Risk-free interest rate
Remaining contractual term in years
Volatility
Dividend rate

Number of warrant shares
Weighted average fair value per share

  $
  $

Pre-
modification  
0.44 
1.85 
1.58%  
2.25 
87.5%  
0.0%  

  $
  $

Post-
modification  
0.44 
0.50 
1.58%
1.91 
88.1%
0.0%

6,611,759 
0.08 

  $

6,611,759 
0.19 

  $

Following  the  Winter  2019  Warrant  Modification,  investors  holding  a  total  of  820,000  warrants  elected  to  exercise  their  warrants  at  the  reduced  price  of  $0.50  per  share,
resulting in proceeds to us of $410,000. Refer to Note 16, Subsequent Events, for disclosure regarding filing of a registration statement including the shares of common stock
underlying essentially all of the warrants subject to the Winter 2019 Warrant Modification.

December 19, 2019 Warrant Modification

On  December  19,  2019,  we  modified  outstanding  warrants  previously  issued  as  a  part  of  a  completed  private  placement  to  permanently  reduce  the  exercise  price  of  such
warrants to $0.805 per share and to extend the term of such warrants through December 31, 2022, in order to more closely align the exercise price of the warrants with the
current trading price of our common stock and to provide additional time for the holders to exercise the warrants (the December 19, 2019 Warrant Modification). As a result of
the December 19, 2019 Warrant Modification, outstanding warrants to purchase a total of 80,431 shares of common stock were modified.

We calculated the fair value of the modified warrants immediately before and after the modification using the Black Scholes Option Pricing Model and the weighted average
assumptions  indicated  in  the  table  below.  We  recognized  the  incremental  fair  value,  $35,600,  as  warrant  modification  expense,  included  as  a  component  of  general  and
administrative expenses, in our Consolidated Statement of Operations and Comprehensive Loss for the fiscal year ended March 31, 2020.

Assumption:
Market price per share
Exercise price per share
Risk-free interest rate
Remaining contractual term in years
Volatility
Dividend rate

Number of warrant shares
Weighted average fair value per share

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  $
  $

Pre-
modification  
0.805 
7.00 
1.57%  
0.58 
98.7%  
0.0%  

  $
  $

Post-
modification  
0.805 
0.805 
1.65%
3.034 
84.9%
0.0%

  $

80,431 
0.00 

  $

80.431 
.044 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
 
 
 
 
 
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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Warrants issued in Winter 2019 Warrant Offering

In December 2019, we commenced a self-placed private placement of warrants to purchase unregistered shares of our common stock at an offering price of $0.15 per warrant
(the Winter 2019 Warrant Offering). Warrants offered and sold in the Winter 2019 Warrant Offering have an exercise price of $0.50 per share and term of three years from the
issuance date. Over the course of the Winter 2019 Warrant Offering, we sold warrants to purchase a total of 2.0 million unregistered shares of common stock for cash proceeds
to us of $300,000, which we accounted for with a corresponding credit to additional paid-in capital, an equity account.  Refer  to  Note  16, Subsequent Events,  for  disclosure
regarding filing of a registration statement including the shares of common stock underlying the warrants issued in the Winter 2019 Warrant Offering.

Registered Direct Offering of Common Stock and Concurrent Warrant Offering

In  January  2020,  we  entered  into  a  self-placed  securities  purchase  agreement  with  certain  accredited  investors  pursuant  to  which  we  received  gross  cash  proceeds  of  $2.75
million upon the sale of an aggregate of 3,870,077 shares of our common stock at a purchase price of $0.71058 per share (the January 2020 Offering). Concurrently with the
January  2020  Offering,  we  also  commenced  a  private  placement  in  which  we  issued  and  sold  warrants  (the  January  2020  Warrants)  exercisable  for  an  aggregate  of
3,870,077 unregistered shares of our common stock (the Warrant Shares), having an exercise price of $0.73 per Warrant Share. The 3,870,077 shares of common stock sold in
the  January  2020  Offering  (but  not  the  January  2020  Warrants  or  the  Warrant  Shares)  were  offered  and  sold  pursuant  to  a  prospectus,  dated  September  30,  2019,  and  a
prospectus supplement dated January 24, 2020, in connection with a takedown from our shelf registration statement on Form S-3 (File No. 333-234025).

The January 2020 Warrants contain customary provisions allowing for adjustment to the exercise price and number of Warrant Shares issuable only in the event of any stock
dividend  and  split,  reverse  stock  split,  recapitalization,  reorganization  or  similar  transaction,  as  described  in  the  January  2020  Warrants.  In  addition, subject  to  limited
exceptions,  holders  of  the  January  2020  Warrants  will  not  have  the  right  to  exercise  any  portion  of  their  respective  January  2020  Warrants  if  the  holder,  together  with  any
affiliates, would beneficially own in excess of 4.99% of the number of shares of our common stock outstanding immediately after giving effect to such exercise. The January
2020 Warrants are exercisable from any time after the six-month anniversary of issuance (the Initial Exercise Date) and will expire on the fifth year anniversary of the Initial
Exercise Date. Refer to Note 16, Subsequent Events, for disclosure regarding filing of a registration statement including the shares of common stock underlying the January
2020 Warrants.

Common Stock Purchase Agreement with Lincoln Park

On March 24, 2020, we entered into a purchase agreement and a registration rights agreement with Lincoln Park Capital Fund (LPC)  pursuant  to  which  LPC  committed  to
purchase up to $10,250,000 of our common stock at market-based prices over a period of 24 months (the LPC Agreement). On March 24, 2020, we sold 500,000 unregistered
shares of our common stock (the Initial Purchase Shares) to LPC under the purchase agreement at a price of $0.50 per share for gross cash proceeds of $250,000 (the Initial
Purchase)  and  we  also  issued  750,000  unregistered  shares  of  our  common  stock  to  LPC  under  the  terms  of  the  LPC Agreement  (the  Commitment  Shares).  To  satisfy  our
obligations  under  the  registration  rights  agreement,  we  filed  a  Registration  Statement  on  Form  S-1  (the  LPC  Registration  Statement)  with  the  SEC  on  March  31,  2020
(Registration No. 333-237514), which the SEC declared effective on April 14, 2020 (the Commencement Date). The LPC Registration Statement included registration of the
Initial Purchase Shares and the Commitment Shares. The fair value of the Commitment Shares, $284,400, determined based on the quoted closing market price of our common
stock on March 24, 2020, is a component of deferred offering costs attributable to this offering, which costs are amortized ratably to additional paid-in capital as we sell shares
of our common stock to LPC under the LPC Agreement.

Following the Commencement Date, on any business day over the term of the LPC Agreement, we have the right, in our sole discretion, to direct LPC to purchase up to 100,000
shares on such business day (the “Regular Purchase”) (subject to adjustment under certain circumstances as provided in the LPC Agreement). The purchase price per share for
each such Regular Purchase will be based on prevailing market prices of our common stock immediately preceding the time of sale as computed under the LPC Agreement. In
each case, LPC’s maximum commitment in any single Regular Purchase may not exceed $1,000,000. In addition to Regular Purchases, provided that we present LPC with a
purchase notice for the full amount allowed for a Regular Purchase, we may also direct LPC to make accelerated purchases and additional accelerated purchases as described in
the LPC Agreement. Although LPC has no right to require us to sell any shares of our common stock to LPC, LPC is obligated to make purchases as we direct, subject to certain
conditions. In all instances, we may not sell shares of our common stock to LPC under the LPC Agreement if such sales would result in LPC beneficially owning more than
9.99%  of  our  common  stock.  There  are  no  upper  limits  on  the  price  per  share  that  LPC  must  pay  for  shares  of  our  common  stock.    See  Note  16,  Subsequent  Events,  for
disclosure regarding sales of our common stock under the LPC Agreement after March 31, 2020.

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Issuance of Common Stock and Warrants to Professional Services Providers

During our fiscal year ended March 31, 2019, we issued the following securities in private placement transactions as compensation for various professional services. In all
cases, we recorded the related noncash expense as a component of general and administrative expense in the Consolidated Statement of Operations and Comprehensive Loss
for the fiscal year ended March 31, 2019.

● During the quarter ended June 30, 2018, we issued an aggregate of 100,000 unregistered shares of our common stock having a fair value on the dates of issuance of

$123,000 as full or partial compensation to an investor relations service provider and under a financial advisory agreement.

● During the quarter ended September 30, 2018, we issued 50,000 shares of our unregistered common stock having a fair value on the date of issuance of $68,000 as

partial compensation to a corporate awareness service provider.

● During the quarter ended September 30, 2018, we also issued four-year warrants to three service providers to purchase an aggregate of 288,000 unregistered shares of
our common stock at an exercise price of $1.50 per share as full or partial compensation for investor relations and corporate awareness services. We valued the warrants
at an aggregate fair value of $266,900 using the Black-Scholes Option Pricing Model and the following grant date weighted average assumptions: exercise price per
share: $1.50; market price per share: $1.40; risk-free interest rate: 2.71%; contractual term: 4 years; volatility: 94.17%; dividend rate: 0%; deriving a value per warrant
share of $0.93. The fair value of the common stock and warrants was recognized in expense ratably over the term of the underlying contracts.

● During the quarter ended March 31, 2019, we issued 25,000 registered shares of our common stock having a fair value of $41,500 on the date of issuance from our
Amended and Restated  2016  Stock  Incentive  Plan  to  an  investor  relations  and  social  media  service  provider.  The  fair  value  of  the  common  stock  was  recognized  in
expense ratably over the term of the underlying contract.

Stock Option Exercises

During the quarter ended March 31, 2019, our Chief Executive Officer and Chief Scientific Officer and a member of our Board exercised outstanding stock options to purchase
an aggregate of 29,250 shares of our common stock and we received cash proceeds of $43,900. There were no stock option exercises during the fiscal year ended March 31,
2020.

Warrants Outstanding

Following  the  Winter  2019  Warrant  Modifications,  the  December  19,  2019  Warrant  Modification,  the  Winter  2019  Warrant  Offering  and  the  issuance  of  the  January  2020
Warrants and the other transactions described above, the following table summarizes outstanding and exercisable warrants to purchase shares of our common stock as of March
31, 2020.  The weighted average exercise price of outstanding and exercisable warrants at March 31, 2020 was $1.64 per share and $1.82 per share, respectively.

Exercise Price
per Share

Expiration
Date

5/20/2020 to 3/31/2024
7/25/2025
12/31/2022
12/13/2022
3/7/2023
12/31/2021
5/16/2021
9/2/2020 to 3/3/2023

0.50 
0.73 
0.805 
1.50 
1.82 
3.51 
5.30 
7.00 

$
$
$
$
$
$
$
$

Warrants
Oustanding at
March 31, 2020

Warrants
Exercisable at
March 31, 2020

8,116,759 
3,870,077 
80,431 
9,596,200 
1,388,931 
50,000 
2,705,883 
747,000 

26,555,281 

7,791,759 
- 
80,431 
9,596,200 
1,388,931 
50,000 
2,705,883 
747,000 

22,360,204 

Of  the  warrants  outstanding  at  March  31,  2020,  2,705,883  shares  of  common  stock  underlying  the  warrants  exercisable  at  $5.30  per  share  issued  in  our  May  2016  public
offering,  1,388,931  shares  of  common  stock  underlying  the  warrants  exercisable  at  $1.82  per  share  issued  in  our  September  2017  public  offering  and  9,596,200  shares  of
common stock underlying the warrants exercisable at $1.50 per share issued in our December 2017 public offering are registered for resale by the warrant holders. The common
shares issuable upon exercise of our remaining outstanding warrants are unregistered at March 31, 2020; however, r efer to Note 16, Subsequent Events, for disclosure regarding
filing of a registration statement including the shares of common stock underlying a significant number of the the warrants issued in earlier private placements and currently
exercisable at $0.50 per share. At  March  31,  2020,  none  of  our  outstanding  warrants  are  subject  to  down  round  anti-dilution  protection  features.  With  the  exception  of  the
January  2020  Warrants  exercisable  at  $0.73  per  share  to  purchase  3,870,077  shares  of  our  common  stock,  which  have  a  cashless  exercise  feature  prior  to  an  effective
registration statement, all of the outstanding warrants are exercisable by the holders only by payment in cash of the stated exercise price per share. Refer to Note 16, Subsequent
Events, for disclosure regarding filing of a registration statement including the shares of common stock underlying the January 2020 Warrants.

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Reserved Shares

VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

At March 31, 2020, we have reserved shares of our common stock for future issuance as follows:

Upon exchange of all shares of Series A Preferred currently issued and outstanding (1)

Upon exchange of all shares of Series B Preferred currently issued and outstanding (2)

Upon exchange of all shares of Series C Preferred currently issued and outstanding (3)

Pursuant to warrants to purchase common stock:
    Subject to outstanding warrants

Pursuant to stock incentive plans:
    Subject to outstanding options under the Amended and Restated 2016 Stock Incentive
          Plan and the 2019 Omnibus Equity Incentive Plan
    Available for future grants under the 2019 Omnibus Equity Incentive Plan
    Available for future issuance under the 2019 Employee Stock Purchase Plan

Reserved for issuance under Lincoln Park Purchase Agreement

Total

750,000 

5,096,738 

2,318,012 

26,555,281 

10,003,088 
6,730,162 
1,000,000 
17,733,250 
8,750,000 

61,203,281 

____________
(1) Assumes  exchange  under  the  terms  of  the  October  11,  2012  Note  Exchange  and  Purchase

Agreement

(2) Assumes exchange under the terms of the Certificate of Designation of the Relative Rights and Preferences of the Series B 10% Convertible Preferred Stock, effective May
5, 2015; includes 3,936,498 shares of common stock reserved for payment of dividends on Series B Preferred upon conversion. Refer to Series B Preferred Stock, above, for
additional information regarding payment of dividends in common stock.

(3) Assumes exchange under the terms of the Certificate of Designation of the Relative Rights and Preferences of the Series C Convertible Preferred Stock, effective January 25,

2016

At March 31, 2020, we have 64,583,677 authorized shares of our common stock not subject to reserves and available for future issuance.

10.  Research and Development Expenses

We recorded research and development expenses of approximately $13.4 million and $17.1 million in the fiscal years ended March 31, 2020 and 2019, respectively, including
approximately  $1.4  million  and  $5.6  million  of  noncash  expense  in  the  fiscal  years  ended  March  31,  2020  and  2019,  respectively.  Research  and  development  expense  is
composed of employee compensation expenses, including stock–based compensation, direct project expenses, notably including costs attributable to our AV-101 clinical trial in
MDD in both years, as well as other preclinical and nonclinical projects for PH94B, PH10 and AV-101, and costs to maintain and prosecute our intellectual property suite,
including new patent applications for AV-101 for various indications. As indicated in Note 9,  Capital Stock, research and development expense for the fiscal year ended March
31, 2019 included noncash expense of $4.25 million attributable to the acquisition of the PH94B and PH10 licenses and the PH10 option.

11.  Income Taxes

The provision for income taxes for the periods presented in the Consolidated Statements of Operations and Comprehensive Loss represents minimum California franchise tax,
Maryland and North Carolina income tax.

Income tax expense (benefit) differed from the amounts computed by applying the statutory federal income tax rate of 21% to pretax income (loss) as a result of the following:

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Computed expected tax benefit
State income taxes, net of federal benefit
Tax effect of warrant modifications
Tax effect of research and development credits
Tax effect of stock compensation
Tax effect of other non-deductible items
 Expired net operating loss carryforwards
Change in valuation allowance (federal only)

Income tax expense

Fiscal Years Ended March 31,

2020

2019

(21.00)% 
0.01%  
0.84%  
(1.60)% 
2.39%  
0.00%  
0.36%  
19.02%  

(21.00)%
0.00%
0.00%
(1.92)%
0.00%
0.74%
0.00%
22.19%

0.02%  

0.01%

Deferred income taxes reflect the net tax effect of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts
used for income tax purposes. Significant components of our deferred tax assets are as follows:

Deferred tax assets:

Net operating loss carryovers
Basis differences in property and equipment
Research and development credit carryforwards
Stock based compensation
Operating lease Right of Use asset
Accruals and reserves

Total deferred tax assets

Valuation allowance

Net deferred tax assets

March 31,

2020

2019

  $

  $

30,607,500 
9,100 
2,256,400 
3,919,900 
95,400 
66,500 

27,190,900 
(2,700)
1,840,400 
3,516,600 
- 
207,100 

36,954,800 

32,752,300 

(36,954,800)

(32,752,300)

  $

- 

  $

- 

Realization of deferred tax assets is dependent upon future earnings, if any, the timing and amount of which are uncertain. Accordingly, the deferred tax assets have been fully
offset by a valuation allowance. The valuation allowance increased by $4,202,500 and $7,499,900 during the fiscal years ended March 31, 2020 and 2019, respectively.

As of March 31, 2020, we had U.S. federal net operating loss carryforwards of approximately $125,125,100, which will expire in fiscal years 2021 through 2038.  As of March
31, 2020, we had state net operating loss carryforwards of approximately $64,123,000, which will expire in fiscal years 2029 through 2040. Federal net operating losses incurred
in our fiscal years 2019, 2020 and thereafter will not expire. We also have federal and state research and development tax credit carryforwards of approximately $2,068,800 and
$1,189,600, respectively. The federal tax credits will expire at various dates beginning in the year 2029, unless previously utilized. The state tax credits do not expire and will
carry forward indefinitely until utilized.

On March 27, 2020 the U.S. enacted the Coronavirus Aid, Relief, and Economic Security Act (the  CARES Act) which provides economic relief in response to the coronavirus
pandemic. The CARES Act,  among  other  things,  includes  provisions  to  allow  certain  net  operating  losses  to  be  carried-back  up  to  five  years,  to  increase  interest  deduction
limitations, and to make technical corrections to tax depreciation methods for qualified improvement property. The CARES Act may affect the corporate income taxes imposed
by state governments and may result in future responses by state legislatures, some of which could have retroactive effect. The Company evaluated the provisions of the CARES
Act and determined that it did not result in a material impact on the Company’s March 31, 2020 income tax accounts.

U.S. federal and state tax laws include substantial restrictions on the utilization of net operating loss carryforwards in the event of an ownership change of a corporation. We
have not performed a change in ownership analysis since our inception in 1998 and accordingly some or all of our net operating loss carryforwards may not be available to
offset future taxable income, if any.

We file income tax returns in the U.S. federal, Canada and various U.S. state jurisdictions. We are subject to U.S. federal and state income tax examinations by tax authorities
for tax years 1998 through 2019 due to net operating losses that are being carried forward for tax purposes, but we are not currently under examination by tax authorities in any
jurisdiction.

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Uncertain Tax Positions

VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Our unrecognized tax benefits at March 31, 2020 and 2019 relate entirely to research and development tax credits. The total amount of unrecognized tax benefits at March 31,
2020  and  2019  is  $814,600  and  $668,700,  respectively.  If  recognized,  none  of  the  unrecognized  tax  benefits  would  impact  our  effective  tax  rate.  The  following  table
summarizes the activity related to our unrecognized tax benefits.

Unrecognized benefit - beginning of period
Current period tax position increases
Prior period tax position increases (decreases)

Unrecognized benefit - end of period

Fiscal Years Ended March 31,

2020

2019

  $

  $

668,700 
146,000 
(100)

451,600 
210,100 
7,000 

  $

814,600 

  $

668,700 

Our policy is to recognize interest and penalties related to income taxes as components of interest expense and other expense, respectively. We incurred no interest or penalties
related  to  unrecognized  tax  benefits  in  the  years  ended  March  31,  2020  or  2019.  We  do  not  anticipate  any  significant  changes  of  our  uncertain  tax  positions  within  twelve
months of this reporting date.

12.  Licensing, Sublicensing and Collaborative Agreements

License Agreements with Pherin Pharmaceuticals, Inc. (Pherin)

In September 2018 we issued 1,630,435 shares of our unregistered common stock having a fair market value of $2,250,000 to Pherin to acquire an exclusive worldwide license
to develop and commercialize PH94B for social anxiety disorder and an option to acquire a similar license for PH10 for MDD. In October 2018, we exercised our option to
acquire an exclusive worldwide license to develop and commercialize PH10 by issuing an additional 925,926 shares of our unregistered common stock having a fair market
value of $2,000,000 to Pherin under the terms of the PH10 license agreement. Under the terms of the PH94B and PH10 license agreements, we are obligated to make additional
cash payments and pay royalties to Pherin in the event that certain regulatory and performance-based milestones and commercial sales are achieved. Additionally, in connection
with the license agreements, we are obligated to pay to Pherin monthly support payments of $10,000 for a term of 18 months, however no monthly support payment is required
during  the  18-month  period  identified  in  the  PH10  license  agreement  if  support  payments  are  being  made  under  the  terms  of  the  PH94B  license  agreement.  The  support
payments required under the PH94B license agreement terminated in March 2020 and will terminate in April 2020 under the PH10 license agreement.

BlueRock Therapeutics Sublicense Agreement

In  December  2016,  we  entered  into  an  Exclusive  License  and  Sublicense Agreement  with  BlueRock  Therapeutics,  LP,  a  next  generation  regenerative  medicine  company
established  in  December  2016  by  Bayer AG  and  Versant  Ventures  ( BlueRock Therapeutics),  pursuant  to  which  BlueRock  Therapeutics  received  exclusive  rights  to  utilize
certain technologies exclusively licensed by us from University Health Network (UHN) for the production of cardiac stem cells for the treatment of heart disease. As a result of
its acquisition of BlueRock Therapeutics in 2019, Bayer AG now holds the rights to develop and commercialize our hPSC technologies relating to the production of heart cells
for the treatment of heart disease (the Bayer Agreement).  We retained rights to cardiac stem cell technology licensed from UHN related to small molecule, protein and antibody
drug  discovery,  drug  rescue  and  drug  development,  including  small  molecules  with  cardiac  regenerative  potential,  as  well  as  small  molecule,  protein  and  antibody  testing
involving cardiac cells. To date, we have recognized $1.25 million in sublicense revenue, in our fiscal year ended March 31, 2017, under the Bayer Agreement.

Cato Research Ltd.

We have built a long-term strategic development relationship with Cato Research Ltd. ( CRL), now known as Cato Research LLC, a global contract research and development
organization,  or  CRO,  and  an  affiliate  of  one  of  our  larger  institutional  stockholders.  CRL  has  provided  us  with  access  to  essential  CRO  services  and  regulatory  expertise
supporting our AV-101 preclinical and clinical development programs, including our AV-101 MDD clinical study, and other significant development projects related to PH94B
and PH10.  We recorded research and development expenses for CRO services provided by CRL in the amounts of $3,802,600 and $3,969,100 for the fiscal years ended March
31, 2020 and 2019, respectively.  

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

13.  Stock Option Plans, Employee Stock Purchase Plan, and 401(k) Plan

At March 31, 2020, we have the following share-based compensation plans, which are described below:

● Amended  and  Restated  2016  Stock  Incentive  Plan  (the  2016  Plan);

●

and
2019  Omnibus  Equity  Incentive  Plan  (the  2019
Plan)

Description of the 2016 Plan

Our Board unanimously approved the Company’s Amended and Restated 2016 Stock Incentive Plan, formerly titled the 2008 Stock Incentive Plan (the 2016 Plan), on July 26,
2016, and the 2016 Plan was approved by our stockholders at our 2016 Annual Meeting of Stockholders on September 26, 2016, and further amended to increase the number of
shares authorized for issuance therefrom at our 2017 Annual Meeting of Stockholders on September 15, 2017. The 2016 Plan provided for the grant of stock options, restricted
shares of common stock, stock appreciation rights and dividend equivalent rights, collectively referred to as “Awards”. Stock options granted under the 2016 Plan were either
incentive  stock  options  under  the  provisions  of  Section  422  of  the  Internal  Revenue  Code  of  1986,  as  amended  (the Code),  or  non-qualified  stock  options.  We  could  grant
incentive  stock  options  only  to  employees  of  the  Company  or  any  parent  or  subsidiary  of  the  Company. Awards  other  than  incentive  stock  options  could  be  granted  to
employees,  directors  and  consultants. A  total  of  10.0  million  shares  of  our  common  stock  were  authorized  for  issuance  under  the  2016  Plan,  of  which  options  to  purchase
approximately  7.8  million  shares  remain  outstanding  at  March  31,  2020.  Upon  the  adoption  of  our  2019  Plan,  no  futher  grants  were  permissible  under  the  2016  Plan  and
approximately 1.4 million authorized shares were transferred to the 2019 Plan and became issuable therefrom. All options granted from the 2016 Plan remain operative under
the terms of the respective grants.

Description of the 2019 Plan

Our Board approved the VistaGen Therapeutics, Inc. 2019 Omnibus Equity Incentive Plan on May 27, 2019, and our stockholders adopted it and ratified all previously issued
grants on September 5, 2019. The principal features of the 2019 plan are summarized below.

The 2019 Plan provides for the grant of stock options, stock appreciation rights (SARs), restricted stock, restricted stock units, and other stock-based awards, and performance
awards, collectively referred to as “Awards”. Awards may be granted under the 2019 Plan to officers, employees and consultants of the Company and our subsidiaries and to
our  non-employee  directors.  Incentive  stock  options  may  be  granted  only  to  employees  of  the  Company  or  one  of  our  subsidiaries.  The  2019  Plan  is  administered  by  the
Compensation Committee of the Board. The Compensation Committee, in its discretion, selects the individuals to whom awards may be granted, the time or times at which such
awards are granted, and the terms of such awards. The Compensation Committee may delegate its authority to the extent permitted by applicable law.

The Compensation Committee sets stock option exercise prices and terms, except that stock options must be granted with an exercise price not less than 100% of the fair market
value of the common stock on the date of grant. The Compensation Committee may grant either incentive stock options, which must comply with Section 422 of the Code, or
nonqualified  stock  options. At  the  time  of  grant,  the  Compensation  Committee  determines  the  terms  and  conditions  of  stock  options,  including  the  quantity,  exercise  price,
vesting periods, term (which cannot exceed ten years) and other conditions on exercise.

The Compensation Committee may grant SARs as a right in tandem with the number of shares underlying stock options granted under the 2019 Plan or as a freestanding award.
Upon exercise, SARs entitle the holder to receive payment per share in stock or cash, or in a combination of stock and cash, equal to the excess of the share’s fair market value
on the date of exercise over the grant price of the SAR.

The Compensation Committee may also grant awards of restricted stock, which are shares of common stock subject to specified restrictions, and restricted stock units, which
represent the right to receive shares of the common stock in the future. These awards may be made subject to repurchase, forfeiture or vesting restrictions at the Compensation
Committee’s  discretion.  The  restrictions  may  be  based  on  continuous  service  with  the  Company  or  the  attainment  of  specified  performance  goals,  as  determined  by  the
Compensation Committee. Stock units may be paid in stock or cash or a combination of stock and cash, as determined by the Compensation Committee.

The Compensation Committee may condition the grant, exercise, vesting, or settlement of any award on such performance conditions as it may specify. We refer to these awards
as  “performance  awards.”  The  Compensation  Committee  may  select  such  business  criteria  or  other  performance  measures  as  it  may  deem  appropriate  in  establishing  any
performance conditions. At March 31, 2020, the Compensation Committee has not granted any performance awards.

A total of 7,500,000 shares of common stock were initially authorized for issuance under the 2019 Plan. As noted previously, all awards outstanding under the 2016 Plan at the
time the 2019 Plan was adopted remain subject to the 2016 Plan. Upon approval of the 2019 Plan, all shares of common stock remaining authorized and available for issuance
under the 2016 Plan, approximately 1.4 million shares, automatically became available for issuance under the 2019 Plan. Additionally, any shares subject to outstanding awards
under the 2016 Plan that subsequently expire, terminate, or are surrendered or forfeited for any reason without issuance of shares also become available for issuance under the
2019 Plan. Further, if any award under the 2019 Plan is canceled, terminates, expires or lapses for any reason prior to the issuance of shares or if shares are issued under the
2019 Plan and thereafter are forfeited to us, the shares subject to such awards and the forfeited shares will again be available for grant under the 2019 Plan. At March 31, 2020, a
total of 6,730,162 shares remain available for grant under the 2019 Plan.

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

No more than 25% of any equity-based awards granted under the 2019 Plan will vest on the grant date of such award. This requirement does not apply to (i) substitute awards
resulting  from  acquisitions  or  (ii)  shares  delivered  in  lieu  of  fully  vested  cash  awards.  In  addition,  the  minimum  vesting  requirement  does  not  apply  to  the  Compensation
Committee’s discretion to provide for accelerated exercisability or vesting of any award, including in cases of retirement, death, disability or a change in control, in the terms of
the award or otherwise. Awards are not transferable other than by will or the laws of descent and distribution, except that in certain instances transfers may be made to or for the
benefit of designated family members of the participant for no consideration.

In  the  event  of  a  change  in  control  of  the  Company,  the  Compensation  Committee  may  accelerate  the  time  period  relating  to  the  exercise  of  any  award.    In  addition,  the
Compensation Committee may take other action, including (a) providing for the purchase of any award for an amount of cash or other property that could have been received
upon the exercise of such award had the award been currently exercisable, (b) adjusting the terms of the award in a manner determined by the Compensation Committee to
reflect the change in control, or (c) causing an award to be assumed, or new rights substituted therefor, by another entity with appropriate adjustments to be made regarding the
number and kind of shares and exercise prices of the award. “Change in Control” is defined under the 2019 Plan and requires consummation of the applicable transaction.

Unless earlier terminated by the Board, the 2019 Plan will terminate, and no further awards may be granted, on September 5, 2029, which is ten years after the date on which it
was approved by our stockholders. The Board may amend, suspend or terminate the 2019 Plan at any time. To the extent necessary to comply with applicable provisions of U.S.
federal  securities  laws,  state  corporate  and  securities  laws,  the  Code,  the  rules  of  any  applicable  stock  exchange  or  national  market  system,  and  the  rules  of  any  non-U.S.
jurisdiction applicable to Awards granted to residents therein, we will obtain stockholder approval of any such amendment to the 2019 Plan in such a manner and to such a
degree as required. The amendment, suspension or termination of the 2019 Plan or the amendment of an outstanding award generally may not, without a participant’s consent,
materially impair the participant’s rights under an outstanding award.

During our fiscal year ended March 31, 2020, we granted from the 2019 Plan and the 2016 Plan:

●

●

●

●

options from the 2016 Plan to purchase an aggregate of 1,220,000 shares of our common stock at a then above-market exercise price of $1.00 per share to the independent
members of our Board, our officers and employees and certain consultants in May 2019. The options vested 25% upon grant with the remaining shares vesting ratably over
three years for independent directors, officers and employees, and over two years for consultants;

options from the 2019 Plan to one of our officers to purchase 170,000 shares of our common stock at a then above-market exercise price of $1.00 per share, which May
2019 grant was contingent upon the approval of the 2019 Plan by our stockholders. Our stockholders approved the 2019 Plan at our Annual Meeting in September 2019
and ratified the contingent grant. The option vested 25% upon approval of the 2019 Plan and the remaining shares are vesting ratably over three years;

options from our 2019 Plan to the independent members of our Board, our officers and employees and certain consultants to purchase an aggregate of 1,990,000 shares of
our common stock at exercise prices ranging from $0.50 per share to $1.41 per share during the quarter ended December 31, 2019. Options granted to Board members,
officers, employees and most consultants were vested 25% at grant, with the remaining options vesting ratably over the following 24 months. In the case of options granted
to certain consultants, the options were vested 25% at grant but the remaining vesting period was less than 24 months to coincide with remaining contractual terms;

options  from  our  2019  Plan  to  purchase  75,000  shares  of  our  common  stock  at  an  exercise  price  of  $0.7074  per  share  to  a  consultant  as  partial  compensation  under  a
professional services contract in January 2020. The options were vested 25% upon grant with the remaining shares vesting ratably over the next twelve months.

During our fiscal year ended March 31, 2019, we granted from the 2016 Plan:

●

●

●

●

●

options to purchase an aggregate of 860,000 shares of our common stock at an exercise price of $1.27 per share to the independent members of our Board, to all of our
officers except our Chief Executive Officer, and to all non-officer employees in August 2018;
options to purchase an aggregate of 250,000 shares of our common stock at exercise prices ranging from $1.52 per share to $2.20 per share to various scientific, legal,
investor relations, and financial and strategic advisory consultants in October 2018;
an option to purchase 25,000 shares of our common stock at an exercise price of $1.74 per share to a new independent member of our Board in January
2019;
an option to purchase 220,000 shares of our common stock at an exercise price of $1.70 per share to our Chief Executive Officer in January 2019;
and
25,000 shares of registered common stock having a fair value of $41,500 on the date of grant to an investor relations and social media consultant. Noncash expense related
to this grant is being amortized ratably over the contractual period as a component of general and administrative expense not included in stock compensation expense.

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

The following table summarizes stock-based compensation expense related to option grants to our officers, independent directors, consultants and service providers included in
the accompanying Consolidated Statement of Operations and Comprehensive Loss for the years ended March 31, 2020 and 2019.

 Research and development expense

 General and administrative expense

 Fiscal Year Ended March 31,

 2020

 2019

  $

1,287,200 

  $

1,259,400 

2,533,600 

2,184,000 

 Total stock-based compensation expense

  $

3,820,800 

  $

3,443,400 

We used the Black-Scholes Option Pricing model with the following weighted average assumptions to determine share-based compensation expense related to option grants
during the fiscal years ended March 31, 2020 and 2019:

Exercise price
Market price on date of grant
Risk-free interest rate
Expected term (years)
Volatility
Expected dividend yield

Fair value per share at grant date

Fiscal Years Ended March 31,

 2020
(weighted
average)

 2019
(weighted
average)

  $
  $

  $
  $

1.14 
1.05 
1.79%  
5.41 
86.99%  
0.00%  

1.45 
1.45 
2.84%
6.32 
96.58%
0.00%

  $

0.73 

  $

1.15 

The expected term of options represents the period that our share-based compensation awards are expected to be outstanding. We have calculated the weighted-average expected
term of the options using the simplified method as prescribed by Securities and Exchange Commission Staff Accounting Bulletins No. 107 and No. 110 (SAB No. 107 and 110).
The utilization of SAB No. 107 and 110 is based on the lack of relevant historical option exercises and relevant historical data due to the relatively limited period during which
our stock has been publicly traded on a major exchange and the historical lack of liquidity in freely-tradable shares of our common stock. Those factors also resulted in our
decision  to  utilize  the  historical  volatilities  of  a  peer  group  of  public  companies’  stock  over  the  expected  term  of  the  option  in  determining  our  expected  volatility
assumptions.    The  risk-free  interest  rate  for  periods  related  to  the  expected  life  of  the  options  is  based  on  the  U.S.  Treasury  yield  curve  in  effect  at  the  time  of  grant.  The
expected dividend yield is zero, as we have not paid any dividends and do not anticipate paying dividends in the near future. We recognize the effect of forfeitures as they
occur.

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

The following table summarizes stock option activity for the fiscal years ended March 31, 2019 and 2018 under the 2019 Plan and the 2016 Plan:

 Options outstanding at beginning of period

 Options granted
 Options exercised
 Options forfeited
 Options expired

 Options outstanding at end of period
 Options exercisable at end of period

 Weighted average grant-date fair value of
 options granted during the period

 Fiscal Years Ended March 31,

 2020

 2019

 Number of
 Shares

6,626,088 
3,455,000 
- 
- 
(78,000)

10,003,088 
7,936,290 

  $
  $
  $
  $
  $

  $
  $

  $

 Weighted
 Average
 Exercise
 Price

 Number of
 Shares

 Weighted
 Average
 Exercise
 Price

1.48 
1.14 
- 
- 
1.50 

1.36 
1.39 

0.73 

5,300,338 
1,355,000 
(29,250)
- 
- 

6,626,088 
4,303,972 

  $
  $
  $
  $
  $

  $
  $

  $

2.43 
1.45 
1.50 
- 
- 

1.48 
1.53 

1.15 

In August  2018,  as  permitted  by  the  terms  of  the  2016  Plan,  the  Board  approved  the  modification  of  outstanding  options  held  by  independent  members  of  our  Board,  our
officers and our employees that had exercise prices higher than $1.56 per share to reduce the exercise prices thereof to $1.50 per share. We calculated the fair value of such
options immediately before and after the modification using the Black-Scholes Option Pricing Model and the weighted average assumptions indicated in the table below. We
immediately recognized the additional fair value attributable to vested options, $258,100, as stock compensation expense, which is included in the expense reported above for
the fiscal year ended March 31, 2019. The additional fair value resulting from the modification, approximately $142,200, is being expensed over the remaining vesting period of
the modified options.

Assumption:
Market price per share
Exercise price per share
Risk-free interest rate
Remaining expected term in years
Volatility
Dividend rate

Number of option shares
Weighted average fair value per share

  $
  $

Pre-
modification  
1.49 
3.57 
2.77%  
5.08 
94.9%  
0.0%  

  $
  $

Post-
modification  
1.49 
1.50 
2.77%
5.08 
94.9%
0.0%

2,419,503 
0.91 

  $

2,419,503 
1.08 

  $

The following table summarizes information on stock options outstanding and exercisable under the 2019 Plan and the 2016 Plan as of March 31, 2020.

 Exercise
 Price

 Number
 Outstanding

  $
  $
  $
  $
  $
  $

0.50 to $1.00 
1.16 
1.20 to $1.41 
1.50 to $1.52 
1.56 to $1.99 
2.20 to $15.00 

1,815,000 
2,000,000 
2,525,000 
2,412,253 
1,115,000 
135,835 

10,003,088 

Options Outstanding
 Weighted
 Average
 Remaining
 Years until
 Expiration

Options Exercisable

 Weighted
 Average
 Exercise
 Price

 Number
 Exercisable

 Weighted
 Average
 Exercise
 Price

9.30 
7.84 
9.13 
6.65 
7.86 
6.28 

  $
  $
  $
  $
  $
  $

8.12 

  $

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0.90 
1.16 
1.35 
1.50 
1.63 
6.03 

1.36 

1,040,422 
2,000,000 
1,455,466 
2,302,069 
1,017,082 
121,251 

  $
  $
  $
  $
  $
  $

7,936,290 

  $

0.84 
1.16 
1.33 
1.50 
1.61 
6.49 

1.39 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
 
 
 
 
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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

At March 31, 2020, there were 6,730,162 registered shares of our common stock remaining available for grant under the 2019 Plan.  There were no option exercises during the
fiscal year ended March 31, 2020. Two officers and a member of our Board exercised outstanding stock options to purchase an aggregate of 29,250 shares of our common
stock during the fiscal year ended March 31, 2019.

Aggregate intrinsic value is the sum of the amount by which the fair value of the underlying common stock exceeds the aggregate exercise price of the outstanding options (in-
the-money-options). Based on the $0.44 per share quoted closing market price of our common stock on March 31, 2020, there was no intrinsic value in any of our outstanding
options at that date.

As of March 31, 2020, there was approximately $1,778,700 of unrecognized compensation cost related to non-vested share-based compensation awards from the 2019 Plan and
the 2016 Plan, which cost is expected to be recognized through August 2021.  

2019 Employee Stock Purchase Plan

Our Board approved the VistaGen Therapeutics, Inc. 2019 Employee Stock Purchase Plan (the 2019 ESPP) on June 13, 2019. Our stockholders approved the 2019 ESPP at our
annual meeting on September 5, 2019. The principal terms of our 2019 ESPP are summarized below.

The 2019 ESPP is intended to qualify as an “employee stock purchase plan” under Section 423 of the Code. The Compensation Committee of the Board administers the 2019
ESPP. The Compensation Committee has authority to construe, interpret and apply the terms of the 2019 ESPP. As approved by our stockholders, a maximum of 1,000,000
shares of our common stock may be purchased under the 2019 ESPP.

The 2019 ESPP is generally expected to operate in consecutive semi-annual periods referred to as “option periods.” The first option period commenced on January 1, 2020 and
will end on the last trading day in the semi-annual period ending June 30, 2020, with successive option periods expected to begin on the first day of January and July and to
terminate on the last trading day of June and December, respectively. Option periods may not last longer than the maximum period permitted under Section 423 of the Code,
which generally limits the length of such offerings to either 5 years or 27 months, depending on the terms of the offering. Generally, all full-time employees of the Company
and its subsidiaries will be eligible to participate in an option period

On the first day of each option period (the Grant Date), each eligible employee for that option period will be granted an option to purchase shares of our common stock. Each
participant’s option will permit the participant to purchase a number of shares determined by dividing the employee’s accumulated payroll deductions for the option period by
the applicable purchase price. A participant must designate in his or her enrollment package the percentage (if any) of compensation to be deducted during that option period for
the  purchase  of  stock  under  the  2019  ESPP.  The  participant’s  payroll  deduction  election  will  generally  remain  in  effect  for  future  option  periods  unless  terminated  by  the
participant. A participant may elect to withdraw from any option period prior to the last day of the option period, in which case the participant’s payroll deductions will be
refunded and the participant’s outstanding options will terminate.

Each participant’s payroll deductions under the 2019 ESPP will be credited to a liability account in his or her name under the 2019 ESPP. The aggregate liability for participant
payroll deductions at March 31, 2020 was $14,700, which is included in accrued expenses in the accompanying Consolidated Balance Sheet at that date.

Each option granted under the 2019 ESPP will automatically be exercised on the last day of the respective option period (referred to as the Exercise Date). The number of shares
acquired by a participant upon exercise of his or her option will be determined by dividing the participant’s 2019 ESPP account balance as of the Exercise Date for the option
period by the purchase price of the option. The purchase price for each option is generally equal to the lesser of (i) 85% of the fair market value of a share of our common stock
on the applicable Grant Date, or (ii) 85% of the fair market value of a share of our common stock on the applicable Exercise Date. A participant’s 2019 ESPP account will be
reduced upon exercise of his or her option by the amount used to pay the purchase price of the shares acquired by the participant. Following exercise of the option, any excess
amount in a participant’s account will be refunded following the Exercise Date. No interest will be paid to any participant under the 2019 ESPP.

Participation in the 2019 ESPP is subject to the following limits:

●

●

●

A  participant  cannot  contribute  less  than  1%  or  more  than  15%  of  his  or  her  compensation  to  the  purchase  of  stock  under  the  2019  ESPP  in  any  one  payroll
period;
A participant cannot accrue rights to purchase more than $25,000 of stock (valued at the Grant Date of the applicable offering period and without giving effect to
any discount reflected in the purchase price for the stock) for each calendar year in which an option is outstanding; and
A  participant  will  not  be  granted  an  option  under  the  2019  ESPP  if  it  would  cause  the  participant  to  own  stock  and/or  hold  outstanding  options  to  purchase
common  stock  constituting  5.0%  or  more  of  the  total  combined  voting  power  or  value  of  all  classes  of  stock  of  the  Company  or  of  its  parent  or  one  of  its
subsidiaries or to the extent it would exceed certain other limits under the Code.

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

The $25,000 annual purchase and the 5% ownership limitations referred to above are required under the Code.

As is customary in stock incentive plans of this nature, the number of shares of stock available under the 2019 ESPP or subject to outstanding options, is subject to adjustment in
the  event  of  certain  reorganizations,  combinations,  recapitalization  of  shares,  stock  splits,  reverse  stock  split,  subdivision  or  other  similar  change  in  respect  of  our  common
stock. A participant’s rights with respect to options or the purchase of shares under the 2019 ESPP, as well as payroll deductions credited to his or her 2019 ESPP account, may
not be assigned, transferred, pledged or otherwise disposed of in any way except by will or the laws of descent and distribution.

The Board generally may amend, suspend, or terminate the 2019 ESPP at any time and in any manner, except that stockholder approval is required to increase the number of
shares  authorized  for  issuance  under  the  2019  ESPP  and  for  certain  other  amendments.  No  amendment  to  the  2019  ESPP  may  materially  adversely  affect  the  option  rights
previously granted to a participant under the 2019 ESPP, except as required by law or regulation.

Our 2019 ESPP became effective on January 1, 2020 and will continue in effect until the earlier of such time as all of the shares of the Company’s common stock subject to the
2019 ESPP have been sold under the 2019 ESPP or December 31, 2030, unless terminated earlier by the Board. At March 31, 2020, no option periods had been completed nor
shares of common stock purchased by employees under the 2019 ESPP.

401(k) Plan

Through a third-party agent, we maintain a retirement and deferred savings plan for our employees. This plan is intended to qualify as a tax-qualified plan under Section 401(k)
of the Internal Revenue Code. The retirement and deferred savings plan provides that each participant may contribute a portion of his or her pre-tax compensation, subject to
statutory limits. Under the plan, each employee is fully vested in his or her deferred salary contributions. Employee contributions are held and invested by the plan’s trustee. The
retirement and deferred savings plan also permits us to make discretionary contributions, subject to established limits and a vesting schedule. To date, we have not made any
discretionary contributions to the retirement and deferred savings plan on behalf of participating employees.

14.  Related Party Transactions

Cato Holding Company (CHC), doing business as Cato BioVentures (CBV), is the parent of Cato Research Ltd. (CRL), now known as Cato Research LLC. CRL is a contract
research, development and regulatory services organization (CRO) that we have engaged for a wide range of material aspects related to the nonclinical and clinical development
and  regulatory  affairs  associated  with  our  efforts  to  develop  and  commercialize AV-101  for  MDD,  including  our  ELEVATE  Study,  and  other  potential  CNS  indications,
PH94B, PH10, and other potential product candidates. At March 31, 2020, CBV held approximately 2% of our outstanding common stock.

In July 2017, we entered into a Master Services Agreement (MSA) with CRL, which replaced a substantially similar May 2007 master services agreement, pursuant to which
CRL  may  assist  us  in  the  evaluation,  development,  commercialization  and  marketing  of  our  potential  product  candidates,  and  provide  regulatory  and  strategic  consulting
services as requested from time to time. Specific projects or services are and will be delineated in individual work orders negotiated from time-to-time under the MSA. Under
the  terms  of  work  orders  issued  pursuant  to  the  July  2017  MSA,  we  incurred  expenses  of  $3,802,600  and  $3,969,100  for  the  fiscal  years  ended  March  31,  2020  and  2019,
respectively. We anticipate periodic expenses for CRO services from CRL related to nonclinical and clinical development of, and regulatory affairs related to, PH94B, PH10,
AV-101 and other potential product candidates will remain significant in future periods.

As  disclosed  in  Note  9,  Capital  Stock,  in  September  2018,  we  issued  an  aggregate  of  1,630,435  shares  of  our  unregistered  common  stock  having  a  fair  market  value  of
$2,250,000 to acquire an exclusive worldwide license to develop and commercialize PH94B and an option to acquire a similar license for PH10. In October 2018, we issued an
additional  925,926  shares  of  our  unregistered  common  stock  having  a  fair  market  value  of  $2,000,000  to  exercise  the  option  to  acquire  an  exclusive  worldwide  license  to
develop and commercialize PH10. The acquisition of the licenses and option was recorded as research and development expense. Additionally, under the terms of the PH94B
license acquired in September 2018, we recorded as research and development expense $120,000 and $70,000 of monthly cash support payments to Pherin in the fiscal years
ended March 31, 2020 and 2019 , respectively. At March 31, 2020, Pherin held approximately 3% of our outstanding Common Stock.

We have engaged the consulting firm headed by one of the independent members of our Board to provide various market research studies and commercial modeling projects for
certain  of  our  CNS  pipeline  candidates  and  recorded  research  and  development  expense  of  $108,400  and  $11,700  for  the  fiscal  years  ended  March  31,  2020  and  2019,
respectively, related to such studies. We recorded no amounts payable at March 31, 2020 or 2019 related to these studies.

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

15.  Commitments, Contingencies, Guarantees and Indemnifications

From time to time, we may become involved in claims and other legal matters arising in the ordinary course of business. Management is not currently aware of any claims made
or other legal matters that will have a material adverse effect on our consolidated financial position, results of operations or our cash flows.

We  indemnify  our  officers  and  directors  for  certain  events  or  occurrences  while  the  officer  or  director  is  or  was  serving  at  our  request  in  such  capacity.  The  term  of  the
indemnification period is for the officer’s or director’s lifetime. We will indemnify the officers or directors against any and all expenses incurred by the officers or directors
because of their status as one of our directors or executive officers to the fullest extent permitted by Nevada law. We have never incurred costs to defend lawsuits or settle
claims related to these indemnification agreements.  We have a director and officer insurance policy which limits our exposure and may enable us to recover a portion of any
future amounts paid.  We believe the fair value of these indemnification agreements is minimal. Accordingly, there are no liabilities recorded for these agreements at March 31,
2020 or 2019.

In the normal course of business, we provide indemnifications of varying scopes under agreements with other companies, typically clinical research organizations, investigators,
clinical sites, suppliers and others.  Pursuant to these agreements, we generally indemnify, hold harmless, and agree to reimburse the indemnified parties for losses suffered or
incurred  by  the  indemnified  parties  in  connection  with  the  use  or  testing  of  our  product  candidates  or  with  any  U.S.  patents  or  any  copyright  or  other  intellectual  property
infringement claims by any third party with respect to our product candidates.  The terms of these indemnification agreements are generally perpetual.  The potential future
payments we could be required to make under these indemnification agreements is unlimited.  We maintain liability insurance coverage that limits our exposure.  We believe
the fair value of these indemnification agreements is minimal.  Accordingly, we have not recorded any liabilities for these agreements at March 31, 2020 or 2019.

Leases

Financing Lease

At March 31, 2020 and 2019, the following assets are subject to financing lease obligations and included in property and equipment:

Office equipment

Accumulated depreciation

Net book value

March 31,

2020

2019

  $

14,700 

  $

14,700 

(9,400)

(6,500)

  $

5,300 

  $

8,200 

Amortization expense for assets recorded under financing leases is included in depreciation expense.  Future minimum payments, by year and in the aggregate, required under
our financing lease are as follows:

Fiscal Years Ending March 31,

2021
2022

Future minimum lease payments

    Less imputed interest included in minimum lease payments

Present value of minimum lease payments

    Less current portion

Financing lease obligation - non-current portion

Operating Lease

  $

3,300 
3,000 
6,300 

(700)

5,600 

(3,300)

  $

2,300 

We lease our headquarters office and laboratory space in South San Francisco, California under the terms of a lease that expires on July 31, 2022 and that provides an option to
renew for an additional five years at then-current market rates. Consistent with the guidance in ASC 842, effective beginning April 1, 2019, we have recorded this lease in our
Consolidated Balance Sheet as an operating lease. For the purpose of determining the right-of-use asset and associated lease liability, we determined that the renewal of this
lease is reasonably probable. The lease of our South San Francisco facilities does not include any restrictions or covenants requiring special treatment under ASC 842.

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

The following table summarizes the presentation of the operating lease in our Condensed Consolidated Balance Sheet at March 31, 2020:

Assets

Right of use asset – operating lease

Liabilities

Current operating lease obligation
Non-current operating lease obligation

Total operating lease liability

The following table summarizes the effect of operating lease costs in our consolidated statements of operations:

Operating lease cost

The minimum (base rental) lease payments related to our South San Francisco operating lease are expected to be as follows:

Fiscal Years Ending March 31,
2021
2022
2023
2024
2025
Thereafter

Total lease expense

Less imputed interest

Present value of operating lease liabilities

As of March
31, 2020

  $

3,579,600 

  $

  $

313,400 
3,715,600 
4,029,000 

For the Fiscal
Year Ended  
March 31,
2020

  $

692,300 

  $

  $

645,800 
668,400 
726,000 
766,000 
789,000 
1,931,400 
5,526,600 
(1,497,600)
4,029,000 

The remaining lease term, including the assumed five-year extension at the expiration of the current lease period, and the discount rate assumption for our South San Francisco
operating lease is as follows:

Assumed remaining lease term in years
Assumed discount rate

As of March
31, 2020
7.33
8.54%

The interest rate implicit in lease contracts is typically not readily determinable and, as such, we used our estimated incremental borrowing rate based on information available
at the adoption of ASC 842, which represents an internally developed rate that would be incurred to borrow, on a collateralized basis, over a similar term, an amount equal to
the lease payments in a similar economic environment.

Supplemental disclosure of cash flow information related to our operating leases included in cash flows used by operating activities in the consolidated statements of cash flows
is as follows:

Cash paid for amounts included in the measurement of lease liabilities

For the Fiscal
Year Ended  
March 31,
2020

  $

753,900 

During the fiscal year end March 31, 2020, other than the initial adoption of ASC 842 that required right of use assets and lease liabilities to be recorded, we recorded no new
right of use assets arising from new lease liabilities.

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

We also lease a small office in the San Francisco Bay Area under a month-to-month arrangement at insignificant cost and have made an accounting policy election not to
apply the ASC 842 operating lease recognition requirements to such short-term lease. We recognize the lease payments for this lease in general and administrative expense
over the lease term. We recorded rent expense of $14,000 and $13,200 for the fiscal years ended March 31, 2020 and 2019, respectively, attributable to this lease.

Debt Repayment

At March 31, 2020, future minimum principal payments on an outstanding note related to an insurance premium financing arrangement in the remaining principal amount of
$56,500, which will be repaid in monthly principal and interest installments of $6,500 through December 2020.

16.  Subsequent Events

We have evaluated subsequent events through the date of this Annual Report and have identified the following material events and transactions that occurred after March 31,
2020:

Sales of Common Stock under the LPC Agreement

Subsequent to the effectiveness of the LPC Registration Statement on April 14, 2020, and through June 26, 2020, we have sold an additional 6,201,995 registered shares of our
common stock to Lincoln Park and have received aggregate cash proceeds of $2,840,200.

Grants of Stock Options from the 2019 Stock Incentive Plan

On April 23, 2020, when the quoted market price of our common stock was $0.398 per share, the Compensation Committee of the Board granted options from our 2019 Plan to
our independent directors, officers and employees and to certain consultants to purchase an aggregate of 1,555,000 shares of our common stock at an exercise price of $0.398
per share. The options were vested 25% upon grant with the remaining shares vesting over two years. On April 24, 2020, when the quoted market price of our common stock
was also $0.398 per share, we granted options from our 2019 Plan to purchase 25,000 shares of our common stock to another consultant. Those options were also vested 25%
upon grant with the remaining shares vesting over two years. On May 8, 2020, when the quoted market price of our common stock was $0.42 per share, the Board granted
options from our 2019 Plan to additional consultants to purchase an aggregate of 225,000 shares of our common stock at an exercise price of $0.42 per share. The options were
vested 25% upon grant with the remaining shares vesting over one year. On June 19, 2020 and June 24, 2020, when the quoted market price of our common stock was $0.5124
per share and $0.535 per share, respectively, we also granted options from our 2019 Plan to additional consultants to purchase 60,000 shares at $0.5124 per share on June 19,
2020 and 80,000 shares at $0.55 per share on June 24, 2020. In each of the June 2020 grants, the options were vested 25% upon grant with the remaining shares vesting over
one year.

Sale of Common Stock and Warrants in the Spring 2020 Private Placement

In April 2020, in a self-directed private placement, we sold to an accredited investor units to purchase an aggregate of 125,000 unregistered shares of our common stock and
four-year warrants to purchase 125,000 shares of our common stock at an exercise price of $0.50 per share and we received cash proceeds of $50,000 (the Spring 2020 Private
Placement).

PPP Loan Agreement

On April 22, 2020, we entered into a note payable agreement with Silicon Valley Bank as lender (the  Lender) (the PPP Loan Agreement), pursuant to which we received net
proceeds  of  approximately  $224,000  from  a  potentially  forgivable  loan  from  the  U.  S.  Small  Business Administration  (SBA)  pursuant  to  the  Paycheck  Protection  Program
(PPP)  enacted  by  Congress  under  the  Coronavirus Aid,  Relief,  and  Economic  Security Act  (the  CARES  Act)  administered  by  the  SBA  (the  “PPP  Loan”).  The  PPP  Loan
provides for working capital to the Company and matures on April 22, 2022. Under the CARES Act and the PPP Loan Agreement, all payments of both principal and interest
are deferred until at least October 22, 2020. The PPP Loan will accrue interest at a rate of 1.00% per annum, and interest will continue to accrue throughout the period the PPP
Loan is outstanding, or until it is forgiven. The CARES Act (including subsequent guidance issued by SBA and U.S. Department of the Treasury related thereto) provides that
all or a portion of the PPP Loan may be forgiven upon our request to the Lender, subject to requirements in the PPP Loan Agreement and the CARES Act.

Registration Statement for shares underlying warrants issued in Private Placements

On  May  1,  2020,  we  filed  a  registration  statement  on  Form  S-3  (Registration  No.  333-237968)  to  register  approximately  12.1  million  shares  of  common  stock  underlying
outstanding warrants that we had issued in earlier private placement offerings, including the Summer 2018 Private Placement, the Fall 2018 Private Placement, the Fall 2019
Private Placement, the Winter 2019 Warrant Offering, the January 2020 Warrants and the Spring 2020 Private Placement, as well as common stock underlying warrants that
had  been  previously  issued  to  various  consultants  as  full  or  partial  compensation  for  their  services.  We  also  registered  approximately  0.8  million  shares  of  unregistered
outstanding common stock held by former holders of warrants who had exercised such warrants subsequent to the Winter 2019 Warrant Modification. Further, we registered the
approximately 0.1 million shares of common stock issued in the Spring 2020 Private Placement. The SEC declared the registration statement effective on May 13, 2020. As a
result of the effectiveness of this registration statement, the shares of common stock underlying essentially all of our outstanding warrants has been registered.

PH94B Sublicense Agreement

On  June  24,  2020,  we  entered  into  a  strategic  licensing  and  collaboration  agreement  for  the  clinical  development  and  commercialization  of  PH94B  with  EverInsight
Therapeutics Inc., a biopharmaceutical company focused on developing and commercializing transformative pharmaceutical products for patients in Greater China and other
parts of Asia (the EverInsight Agreement). Under the terms of the EverInsight Agreement, EverInsight will be responsible for clinical development, regulatory submissions and
commercialization of PH94B for treatment of SAD, and potentially other anxiety-related indications, in markets in Greater China, South Korea and Southeast Asia. EverInsight
will make a non-dilutive upfront payment of $5.0 million to us, and we are eligible to receive additional development and commercial milestone payments in the future, upon
successful attainment of specific milestones. We expect to receive net cash proceeds of approximately $4.475 million, after sublicense and consulting payments which we are
obligated to make pursuant to our PH94B license from Pherin and other consulting agreements. On June 24, 2020, we issued 233,645 unregistered shares of our common stock,
valued at $125,000, as partial compensation to a consultant for services related to the EverInsight Agreement.

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VISTAGEN THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

17. Supplemental Financial Information (Unaudited)

The following table presents the unaudited statements of operations data for each of the eight quarters in the period ended March 31, 2020. The information has been presented
on the same basis as the audited financial statements and all necessary adjustments, consisting only of normal recurring adjustments, have been included in the amounts below
to present fairly the unaudited quarterly results when read in conjunction with the audited financial statements and related notes. The operating results for any quarter should not
be relied upon as necessarily indicative of results for any future period. 

Quarterly Results of Operations (Unaudited)
 (in thousands, except share and per share amounts)

Operating expenses:

 Research and development
 General and administrative
  Total operating expenses

Loss from operations

Other expenses, net:

 Interest income (expense), net

Loss before income taxes
Income taxes
Net loss and comprehensive loss

     Accrued dividend on Series B Preferred stock
     Net loss attributable to common stockholders

Basic and diluted net loss per common share
    attributable to common stockholders
Weighted average shares used in computing basic and diluted
       net loss per common share attributable to common stockholders

Operating expenses:

 Research and development
 General and administrative
  Total operating expenses
Loss from operations

Other expenses, net:
 Interest expense, net
 Loss on extinguishment of accounts payable

Loss before income taxes
Income taxes
Net loss and comprehensive loss

     Accrued dividend on Series B Preferred stock

  $

  $

  $

  $

Three Months Ended

June 30,
2019

September 30,
2019

December 31,
2019

March 31,
2020

Total
Fiscal Year
2020

  $

4,314 
1,910 
6,224 
(6,224)

16 

(6,208)
(2)
(6,210)

  $

4,205 
1,146 
5,351 
(5,351)

15 

(5,336)
- 
(5,336)

  $

3,015 
2,948 
5,963 
(5,963)

2 

(5,961)
- 
(5,961)

  $

1,840 
1,423 
3,263 
(3,263)

(3)

(3,266)
(1)
(3,267)

(302)
(6,512)

  $

(314)
(5,650)

  $

(322)
(6,283)

  $

(326)
(3,593)

  $

13,374 
7,427 
20,801 
(20,801)

30 

(20,771)
(3)
(20,774)

(1,264)
(22,038)

(0.15)

  $

(0.13)

  $

(0.15)

  $

(0.08)

  $

(0.50)

42,622,965 

42,622,965 

43,158,889 

47,094,781 

43,869,523 

Three Months Ended

June 30,
2018

September 30,
2018

December 31,
2018

March 31,
2019

Total
Fiscal Year
2019

  $

2,744 
1,466 
4,210 
(4,210)

(2)
- 

(4,212)
(2)
(4,214)

(274)

  $

5,261 
2,171 
7,432 
(7,432)

(3)
- 

(7,435)
- 
(7,435)

(284)

  $

5,335 
1,857 
7,192 
(7,192)

(2)
(23)

(7,217)
- 
(7,217)

(291)

  $

3,758 
1,964 
5,722 
(5,722)

(1)
- 

(5,723)
- 
(5,723)

(291)

17,098 
7,458 
24,556 
(24,556)

(8)
(23)

(24,587)
(2)
(24,589)

(1,140)

     Net loss attributable to common stockholders

  $

(4,488)

  $

(7,719)

  $

(7,508)

  $

(6,014)

  $

(25,729)

Basic and diluted net loss per common share
       attributable to common stockholders
Weighted average shares used in computing basic and diluted

  $

(0.20)

  $

(0.30)

  $

(0.24)

  $

(0.17)

  $

(0.90)

net loss per comon share attributable to common stockholders

22,987,066 

25,815,245 

30,696,312 

35,113,753 

28,562,490 

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Table of Contents

Item 9.  Changes in and Disagreements With Accountants on Accounting and Financial Disclosure

None.

Item 9A.  Controls and Procedures

Disclosure Controls and Procedures.

As required by Rule 13a-15(b) under the Securities Exchange Act of 1934, as amended, (the Exchange Act) our Chief Executive Officer (CEO) and our Chief Financial Officer
(CFO)  conducted  an  evaluation  as  of  the  end  of  the  period  covered  by  this Annual  Report  on  Form  10-K,  of  the  effectiveness  of  our  disclosure  controls  and  procedures  as
defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act. Based on that evaluation, our CEO and our CFO each concluded that our disclosure controls and procedures
are effective to provide reasonable assurance that information required to be disclosed in the reports that we file or submit under the Exchange Act, (i) is recorded, processed,
summarized  and  reported  within  the  time  periods  specified  in  the  Securities  and  Exchange  Commission's  rules  and  forms  and  (ii)  is  accumulated  and  communicated  to  our
management, including our CEO and our CFO, as appropriate to allow timely decisions regarding required disclosure.

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). Our internal control system is designed to provide reasonable assurance to our management and Board of Directors regarding the reliability of financial reporting and
the preparation and fair presentation of financial statements for external purposes in accordance with U.S. generally accepted accounting principles.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Therefore, even those systems determined to be effective
can  provide  only  reasonable  assurance  of  achieving  their  control  objectives.  Smaller  reporting  companies  may  face  additional  limitations  in  achieving  control  objectives.
Smaller reporting companies typically employ fewer individuals who are often tasked with a wide range of responsibilities, making it difficult to segregate duties. Often, one or
two individuals control many, or all, aspects of the smaller reporting company’s general and financial operations, placing such individual(s) in a position to override any system
of internal control. Additionally, projections of an evaluation of current effectiveness to future periods are subject to the risk that controls may become inadequate because of
changes in conditions, or that the degree of compliance with the controls may deteriorate.

Management has assessed the effectiveness of our internal control over financial reporting for our fiscal year ended March 31, 2020. Management's assessment was based on
criteria set forth in Internal Control - Integrated Framework (2013), issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). Based upon
this assessment, management concluded that, as of March 31, 2020, our internal control over financial reporting was not effective, based upon those criteria, as a result of the
material weaknesses identified below.

A  material  weakness  is  a  deficiency  or  combination  of  deficiencies  in  internal  control  over  financial  reporting,  such  that  there  is  a  reasonable  possibility  that  a  material
misstatement of the annual or interim financial statements will not be prevented or detected on a timely basis.

Specifically,  management  identified  the  following  control  weaknesses:  (i)  the  size  of  the  Company’s  staff  does  not  permit  appropriate  segregation  of  duties  to  (a)  permit
appropriate review of accounting transactions and/or accounting treatment by multiple qualified individuals, and (b) prevent one individual from overriding the internal control
system by initiating, authorizing and completing all transactions; and (ii) the Company utilizes accounting software that does not prevent erroneous or unauthorized changes to
previous reporting periods and/or can be adjusted so as to not provide an adequate audit trail of entries made in the accounting software. The Company does not believe that
these  control  weaknesses  have  resulted  in  any  deficient  financial  reporting  because  each  of  our  CEO  and  CFO  is  aware  of  his  responsibilities  under  the  SEC's  reporting
requirements and personally certifies our financial reports. Further, the Company has implemented a series of manual checks and balances to verify that no previous reporting
period has been improperly modified and that no unauthorized entries have been made in the current reporting period.

Accordingly, while the Company has identified certain material weaknesses in its system of internal control over financial reporting, it believes that it has taken reasonable and
sufficient steps to ascertain that the financial information contained in this Annual Report is in accordance with U.S. generally accepted accounting principles. Management has
determined that current resources would be more appropriately applied elsewhere and when resources permit, they will alleviate the material weaknesses through various steps,
which may include the addition of qualified financial personnel and/or the acquisition and implementation of alternative accounting software.

As a result of the enactment of the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010, and the resulting amendment of Section 404 of the Sarbanes-Oxley
Act of 2002, as a smaller reporting company, we are not required to provide an attestation report by our independent registered public accounting firm regarding internal control
over financial reporting for the fiscal year ended March 31, 2020 or thereafter, until such time as we are no longer eligible for the exemption for smaller issuers set forth within
the Sarbanes-Oxley Act.

Item 9B.  Other Information

None.

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PART III

Item 10. Directors, Executive Officers and Corporate Governance

The information required by this Item is incorporated herein by reference to the information that will be contained in our proxy statement related to the 2020 Annual Meeting of
Stockholders, which we intend to file with the Securities and Exchange Commission on or before July 29, 2020 pursuant to General Instruction G(3) of Form 10-K.

Item 11. Executive Compensation

The information required by this Item is incorporated herein by reference to the information that will be contained in our proxy statement related to the 2020 Annual Meeting of
Stockholders, which we intend to file with the Securities and Exchange Commission on or before July 29, 2020 pursuant to General Instruction G(3) of Form 10-K.

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

The information required by this Item is incorporated herein by reference to the information that will be contained in our proxy statement related to the 2020 Annual Meeting of
Stockholders, which we intend to file with the Securities and Exchange Commission on or before July 29, 2020 pursuant to General Instruction G(3) of Form 10-K.

Item 13. Certain Relationships and Related Transactions, and Director Independence

The information required by this Item is incorporated herein by reference to the information that will be contained in our proxy statement related to the 2020 Annual Meeting of
Stockholders, which we intend to file with the Securities and Exchange Commission on or before July 29, 2020 pursuant to General Instruction G(3) of Form 10-K.

Item 14. Principal Accounting Fees and Services

The information required by this Item is incorporated herein by reference to the information that will be contained in our proxy statement related to the 2020 Annual Meeting of
Stockholders, which we intend to file with the Securities and Exchange Commission on or before July 29, 2020 pursuant to General Instruction G(3) of Form 10-K.

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Item 15.  Exhibits, Financial Statement Schedules

(a)(1) Financial Statements

See Index to Financial Statements under Item 8 on page 90.

(a)(2) Consolidated Financial Statement Schedules

PART IV

Consolidated financial statement schedules are omitted because they are not applicable or are not required or the information required to be set forth therein is included in the
Consolidated Financial Statements or notes thereto.

(a)(3) Exhibits

The exhibits listed in the Exhibit Index below are filed or incorporated by reference as part of this report.

 Exhibit Index 

Exhibit No.
  2.1*
3.4

3.5

3.6

3.7

3.9

3.10

3.11

3.12

3.13

10.22*
10.26*

10.40*
10.41*
10.49

10.57

10.67

10.73

Description
Agreement and Plan of Merger by and among Excaliber Enterprises, Ltd., VistaGen Therapeutics, Inc. and Excaliber Merger Subsidiary, Inc.
Articles of Merger filed with the Nevada Secretary of State on May 24, 2011, incorporated by reference from Exhibit 3.1 to the Company’s Current Report
on Form 8-K filed on May 31, 2011.
Certificate  of  Designations  Series  A  Preferred,  incorporated  by  reference  from  Exhibit  3.1  to  the  Company’s  Current  Report  on  Form  8-K  filed  on
December 23, 2011.
Certificate of Change filed with the Nevada Secretary of State on August 11, 2014 incorporated by reference from Exhibit 3.1 to the Company’s Current
Report on Form 8-K filed on August 14, 2014.
Certificate of Designation of the Relative Rights and Preferences of the Series B 10% Convertible Preferred Stock of VistaGen Therapeutics, Inc., filed
with the Nevada Secretary of State on May 7, 2015, incorporated by reference from Exhibit 3.1 to the Company’s Current Report on Form 8-K filed on
May 13, 2015.
Certificate  of  Designation  of  the  Relative  Rights  and  Preferences  of  the  Series  C  Convertible  Preferred  Stock  of  VistaGen  Therapeutics,  Inc.,  dated
January 25, 2016, incorporated by reference from Exhibit 3.1 to the Company’s Current Report on Form 8-K filed on January 29, 2016.
Restated Articles of Incorporation of VistaGen Therapeutics, Inc., dated August 16, 2016, incorporated by reference from Exhibit 3.1 to the Company’s
Current Report on Form 8-K, filed on August 17, 2016.
Second  Amended  and  Restated  Bylaws  of  VistaGen  Therapeutics,  Inc.,  dated  August  16,  2016,  incorporated  by  reference  from  Exhibit  3.2  to  the
Company’s Current Report on Form 8-K, filed on August 16, 2016.
Certificate of Amendment to the Restated and Amended Articles of Incorporation of VistaGen Therapeutics, Inc., dated September 15, 2017; incorporated
by reference from Exhibit 3.1 to the Company’s Current Report on Form 8-K, filed on September 20, 2017.
Certificate of Amendment to the Restated and Amended Articles of Incorporation, as amended, of VistaGen Therapeutics, Inc., dated September 6 ,2019;
incorporated by reference from Exhibit 3.1 to the Company’s Current Report on Form 8-K, filed on September 6, 2019.
License Agreement by and between Mount Sinai School of Medicine of New York University and the Company, dated October 1, 2004.
License  Agreement,  dated  October  24,  2001,  by  and  between  the  University  of  Maryland,  Baltimore,  Cornell  Research  Foundation  and  Artemis
Neuroscience, Inc.
Employment Agreement, by and between, VistaGen and Shawn K. Singh, dated April 28, 2010, as amended May 9, 2011.
Employment Agreement, by and between, VistaGen and H. Ralph Snodgrass, PhD, dated April 28, 2010, as amended May 9, 2011.
License Agreement No. 1, dated as of October 24, 2011 between University Health Network and VistaGen Therapeutics, Inc., incorporated by reference
from Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on November 30, 2011.
License Agreement No. 2, dated as of March 19, 2012 between University Health Network and VistaGen Therapeutics, Inc., incorporated by reference
from Exhibit 10.57 to the Company’s Annual Report on Form 10-K filed on July 2, 2012.
Note Exchange and Purchase Agreement dated as of October 11, 2012 by and between VistaGen Therapeutics, Inc. and Platinum Long Term Growth VII,
LLP, incorporated by reference from Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on October 16, 2012.
Amendment to Note Exchange and Purchase Agreement as of November 14, 2012 between VistaGen Therapeutics Inc. and Platinum Long Term Growth
VII, LLP, incorporated by reference from Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on November 20, 2012.

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10.75

10.76

10.77

10.83

10.84

10.85

10.86

10.87

10.88

10.111

10.112

10.113

10.114

10.115
10.116

10.117

10.118

10.119

10.120+

10.121+

10.122

10.123

10.124
10.126

Amendment  No.  2  to  Note  Exchange  and  Purchase Agreement  as  of  January  31,  2013  between  VistaGen  Therapeutics  Inc.  and  Platinum  Long  Term
Growth VII, LLP, incorporated by reference from Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q filed on February 14, 2013.
Amendment  No.  3  to  Note  Exchange  and  Purchase Agreement  as  of  February  22,  2013  between  VistaGen  Therapeutics  Inc.  and  Platinum  Long  Term
Growth VII, LLP, incorporated by reference from Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on February 28, 2013.
Form of Warrant to Purchase Common Stock issued to independent members of the Company’s Board of Directors and its executive officers on March 3,
2013, incorporated by reference from Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on March 6, 2013.
Lease  between  Bayside Area  Development,  LLC  and  VistaGen  Therapeutics,  Inc.  (California)  dated April  24,  2013,  incorporated  by  reference  from
Exhibit 10.83 to the Company’s Annual Report on Form 10-K filed July 18, 2013.
Indemnification  Agreement  effective  May  20,  2013  between  the  Company  and  Jon  S.  Saxe,  incorporated  by  reference  from  Exhibit  10.84  to  the
Company’s Annual Report on Form 10-K filed on July 18, 2013.
Indemnification Agreement  effective  May  20,  2013  between  the  Company  and  Shawn  K.  Singh,  incorporated  by  reference  from  Exhibit  10.85  to  the
Company’s Annual Report on Form 10-K filed on July 18, 2013.
Indemnification Agreement effective May 20, 2013 between the Company and H. Ralph Snodgrass, incorporated by reference from Exhibit 10.86 to the
Company’s Annual Report on Form 10-K filed on July 18, 2013.
Indemnification Agreement effective May 20, 2013 between the Company and Brian J. Underdown, incorporated by reference from Exhibit 10.87 to the
Company’s Annual Report on Form 10-K filed on July 18, 2013.
Indemnification Agreement  effective  May  20,  2013  between  the  Company  and  Jerrold  D.  Dotson,  incorporated  by  reference  from  Exhibit  10.88  to  the
Company’s Annual Report on Form 10-K filed on July 18, 2013.
Exchange Agreement,  by  and  between  VistaGen  Therapeutics,  Inc.,  and  Platinum  Long  Term  Growth  VII,  LLC  and  Montsant  Partners,  LLC,  dated
January 25, 2016, incorporated by reference from Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on January 29, 2016.
Indemnification  Agreement  effective  April  8,  2016  between  the  Company  and  Jerry  B.  Gin,  incorporated  by  reference  from  Exhibit  10.112  to  the
Company’s Annual Report on Form 10-K filed on June 24, 2016.
Underwriting Agreement, by and between Chardan Capital Markets, LLC and WallachBeth Capital, LLC, as representatives of the several underwriters,
and VistaGen Therapeutics, Inc., dated May 10, 2016, incorporated by reference from Exhibit 1.1 to the Company’s Current Report on Form 8-K filed on
May 16, 2016.
Warrant Agency Agreement, by and between Computershare, Inc. and VistaGen Therapeutics, Inc., dated May 16, 2016, incorporated by reference from
Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on May 16, 2016.
Form of Warrant; incorporated by reference from Exhibit 4.2 to the Company’s Current Report on Form 8-K filed on May 16, 2016.
Second Amendment to Employment Agreement by and between VistaGen Therapeutics, Inc. and Shawn K. Singh, dated June 22, 2016, incorporated by
reference from Exhibit 10.116 to the Company’s Annual Report on Form 10-K filed on June 24, 2016.
Second  Amendment  to  Employment  Agreement  by  and  between  VistaGen  Therapeutics,  Inc.  and  H.  Ralph  Snodgrass,  Ph.D.,  dated  June  22,  2016,
incorporated by reference from Exhibit 10.117 to the Company’s Annual Report on Form 10-K filed on June 24, 2016.
Second Amendment  to  Lease  between  Bayside Area  Development  and  the  Company,  effective  November  10,  2016,  incorporated  by  reference  from
Exhibit 10.1 to the Company’s Quarterly report on Form 10-Q filed on November 15, 2016.
Indemnification Agreement effective November 10, 2016 between the Company and Mark A. Smith, incorporated by reference from Exhibit 10.2 to the
Company’s Quarterly report on Form 10-Q filed on November 15, 2016.
Exclusive  License  and  Sublicense  Agreement  by  and  between  VistaGen  Therapeutics,  Inc.  and  Apollo  Biologics  LP,  effective  December  9,  2016,
incorporated by reference from Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q filed on May 11, 2017.

Patent License Amendment Agreement between VistaGen Therapeutics Inc. and University Health Network effective December 9, 2016, incorporated by
reference from Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q/A filed on May 1, 2017.
Amended and Restated 2016 Stock Incentive Plan (formerly the VistaGen Therapeutics, Inc. 2008 Stock Incentive Plan), incorporated by reference from
Exhibit 10.122 to the Company’s Annual Report on Form 10-K filed on June 29, 2017.
Underwriting Agreement,  dated  as  of August  31,  2017,  by  and  between  VistaGen  Therapeutics,  Inc.  and  Oppenheimer  &  Co.  Inc.,  incorporated  by
reference from Exhibit 1.1 to the Company’s Current Report on Form 8-K filed on August 31, 2017.
Form of Series A1 Warrant, incorporated by reference from Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on August 31, 2017.
Underwriting Agreement,  dated  as  of  December  11,  2017,  by  and  between  VistaGen  Therapeutics,  Inc.  and  Oppenheimer  &  Co.  Inc.,  incorporated  by
reference from Exhibit 1.1 to the Company’s Current Report on Form 8-K filed on December 13, 2017.

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10.127
10.128

10.129
10.130+

10.131+

10.132+

10.133

10.134

10.135

10.136

10.137

10.138

10.139

10.140

10.141

10.142

10.143

10.144

10.145

10.146

10.147

10.148#

23.1
31.1
31.2
32.1

101.INS
101.SCH
101.CAL
101.DEF
101.LAB
101.PRE
_______________

Form of Warrant, incorporated by reference from Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on December 13, 2017.
Form of Summer 2018 Private Placement Subscription Agreement, incorporated by reference from the Company’s Current Report on Form 8-K filed on
August 9, 2018.
Form of Summer 2018 Private Placement Warrant, incorporated by reference from the Company’s Current Report on Form 8-K filed on August 9, 2018.
License Agreement (PH94B), by and between VistaGen Therapeutics, Inc. and Pherin Pharmaceuticals, Inc., dated September 11, 2018, incorporated by
reference from Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on September 13, 2018
Option Agreement, by and between VistaGen Therapeutics, Inc. and Pherin Pharmaceuticals, Inc., dated September 11, 2018, incorporated by reference
from Exhibit 10.2 to the Company’s Current Report on Form 8-K filed on September 13, 2018.
License Agreement  (PH10),  by  and  between  VistaGen  Therapeutics,  Inc.  and  Pherin  Pharmaceuticals,  Inc.,  dated  October  24,  2018,  incorporated  by
reference from Exhibit 10.3 to the Company’s Quarterly Report on Form 10-Q/A filed on October 30, 2018.
Form of Fall 2018 Private Placement Subscription Agreement, incorporated by reference from Exhibit 10.4 to the Company’s Quarterly Report on Form
10-Q filed on October 29, 2018.
Form of Fall 2018 Private Placement Warrant, incorporated by reference from Exhibit 10.5 to the Company’s Quarterly Report on Form 10-Q filed on
October 29, 2018.
Indemnification Agreement, dated January 10, 2019, by and between VistaGen Therapeutics, Inc. and Ann Cunningham, incorporated by reference from
Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on January 15, 2019.
Indemnification Agreement, dated November 10, 2016, by and between VistaGen Therapeutics, Inc. and Mark A. McPartland,  incorporated by reference
from Exhibit 10.136 to the Company’s Annual Report on Form 10-K filed on June 25, 2019.
Underwriting Agreement, dated as of February 26, 2019, by and between VistaGen Therapeutics, Inc. and William Blair & Company, LLC, incorporated
by reference from Exhibit 1.1 to the Company’s Current Report on Form 8-K filed on March 4, 2019.
Master  Services Agreement,  dated  July  11,  2017,  by  and  between  VistaGen  Therapeutics,  Inc.  and  Cato  Research  Ltd., incorporated  by  reference  from
Exhibit 10.138 to the Company’s Annual Report on Form 10-K filed on June 25, 2019.
VistaGen Therapeutics, Inc. 2019 Omnibus Equity Incentive Plan, incorporated by reference from Exhibit 99.1 to the Company’s Registration Statement
on Form S-8 filed on October 1, 2019.
VistaGen Therapeutics, Inc. 2019 Employee Stock Purchase Plan, incorporated by reference from Exhibit 99.2 to the Company’s Registration Statement
on Form S-8 filed on October 1, 2019.
Form of Fall 2019 Private Placement Subscription Agreement, incorporated by reference from Exhibit 10.1 to the Company’s Quarterly Report on Form
10-Q filed on November 7, 2019.
Form of Fall 2019 Private Placement Warrant, incorporated by reference from Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q filed on
November 7, 2019.
Form  of  Securities  Purchase  Agreement,  dated  January  24,  2020  between  the  Company  and  each  purchaser  named  in  the  signature  pages  thereto,
incorporated by reference from Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on January 27, 2020.
Form of Warrant, dated January 24, 2020, incorporated by reference from Exhibit 10.2 to the Company’s Current Report on Form 8-K filed on January 27,
2020.
Purchase Agreement, by and between VistaGen Therapeutics, Inc. and Lincoln Park Capital Fund, LLC, dated March 24, 2020, incorporated by reference
from Exhibit 10.1 to the Company's Current Report on Form 8-K, filed March 26, 2020.
Registration Rights Agreement, by and between VistaGen Therapeutics, Inc. and Lincoln Park Capital Fund, LLC, dated March 24, 2020, incorporated by
reference from Exhibit 10.2 to the Company's Current Report on Form 8-K, filed March 26, 2020
Note  Payable Agreement  by  and  between  VistaGen  Therapeutics,  Inc.  and  Silicon  Valley  Bank,  dated April  22,  2020,  incorporated  by  reference  from
Exhibit 10.1 to the Company's Current Report on Form 8-K, filed April 27, 2020.
License and Collaboration Agreement between VistaGen Therapeutics, Inc. and EverInsight Therapeutics Inc. incorporated by reference from Exhibit 10.1
to the Company’s Current Report on Form 8-K, filed June 26, 2020.
Consent of Independent Registered Public Accounting Firm, filed herewith.
Certification of the Company’s Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, filed herewith.
Certification of the Company’s Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, filed herewith.
Certification  of  the  Company’s  Chief  Executive  Officer  and  Chief  Financial  Officer  pursuant  to  Section  906  of  the  Sarbanes-Oxley Act  of  2002,  filed
herewith.
XBRL Instance Document, filed herewith
XBRL Taxonomy Extension Schema, filed herewith
XBRL Taxonomy Extension Calculation Linkbase, filed herewith
XBRL Taxonomy Extension Definition Linkbase, filed herewith
XBRL Taxonomy Extension Label Linkbase, filed herewith
XBRL Taxonomy Extension Presentation Linkbase, filed herewith

* 

Incorporated  by  reference  from  the  like-numbered  exhibit  filed  with  our  Current  Report  on  Form  8-K  on  May  16,
2011.

+ Confidential  treatment  has  been  granted  for  certain  confidential  portions  of  this

#

agreement.
Pursuant to Item 601(b)(10) of Regulation S-K, certain confidential portions of this exhibit (indicated by “[*****]”) have been omitted as the Company has determined (i)
the omitted information is not material and (ii) the omitted information would likely cause harm to the Company if publicly disclosed.

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Table of Contents

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, in the City of South San Francisco, State of California, on the 29th day of June, 2020.

SIGNATURES

Date: June 29, 2020

VistaGen Therapeutics, Inc.

By:   /s/ Shawn K. Singh

Shawn K. Singh, J.D.
Chief Executive Officer 

In accordance with the Exchange Act, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. 

Signature

Title

/s/ Shawn K. Singh        
Shawn K. Singh, JD

/s/ Jerrold D. Dotson        
Jerrold D. Dotson

/s/ H. Ralph Snodgrass        
H. Ralph Snodgrass, Ph.D

/s/ Jon S. Saxe        
Jon S. Saxe

/s/ Ann M. Cunningham     
Ann M. Cunningham

/s/ Jerry B. Gin, Ph.D     
Jerry B. Gin, Ph.D.

/s/ Brian J. Underdown        
Brian J. Underdown, Ph. D

   Chief Executive Officer, and Director

(Principal Executive Officer)

   Vice President and Chief Financial Officer

(Principal Financial and Accounting Officer)

   President, Chief Scientific Officer and Director

   Chairman of the Board of Directors

   Director

Director

Director

-132-

Date

June 29, 2020

June 29, 2020

June 29, 2020

June 29, 2020

June 29, 2020

June 29, 2020

June 29, 2020

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 333-234026, 333-223556 and 333-208354), Form S-3 (File Nos.
333-237968,  333-234025  and  333-215671)  and  Form  S-1  (No.  333-237514)  of  VistaGen  Therapeutics,  Inc.  of  our  report  dated June  29,  2020  (which  report  expresses  an
unqualified  opinion  and  includes  an  explanatory  paragraph  expressing  substantial  doubt  about  the  Company’s  ability  to  continue  as  a  going  concern),  relating  to  the
consolidated financial statements of VistaGen Therapeutics, Inc., which appears in this Annual Report on Form 10-K.

Exhibit 23.1

/s/ OUM & CO. LLP

San Francisco, California 
June 29, 2020

 
 
 
 
 
 
 
 
EXHIBIT 31.1

I, Shawn K. Singh, certify that;

1.            I  have  reviewed  this  Annual  Report  on  Form  10-K  of  VistaGen  Therapeutics,  Inc.,  a  Nevada

corporation;

CERTIFICATION

2.            Based on my knowledge, this report, does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in

light of the circumstances under which such statements were made, not misleading with respect to the period covered by the report;

3.            Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition,

results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.            The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules

13a-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)           Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material
information relating to the registrant, 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;

b)           Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide
reasonable  assurance  regarding  the  reliability  of  financial  reporting  and  the  preparation  of  financial  statements  for  external  purposes  in  accordance  with  generally  accepted
accounting principles;

c)                      Evaluated  the  effectiveness  of  the  registrant’s  disclosure  controls  and  procedures  and  presented  in  this  report  our  conclusions  about  the  effectiveness  of  the

disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)           Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the
registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over
financial reporting; and

5.            The  registrant’s  other  certifying  officer(s)  and  I  have  disclosed,  based  on  our  most  recent  evaluation  of  internal  control  over  financial  reporting,  to  the  registrant’s

auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)           All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely

affect the registrant’s ability to record, process, summarize and report financial information; and

b)           Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial

reporting.

June 29, 2020                                                                                                           

/s/ Shawn K.
Singh
Shawn K. Singh, JD

Principal Executive Officer 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
EXHIBIT 31.2

I, Jerrold D. Dotson, certify that:

1.            I  have  reviewed  this  Annual  Report  on  Form  10-K  of  VistaGen  Therapeutics,  Inc.,  a  Nevada

corporation;

CERTIFICATION

2.            Based on my knowledge, this report, does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in

light of the circumstances under which such statements were made, not misleading with respect to the period covered by the report;

3.            Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition,

results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.            The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules

13a-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)           Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material
information relating to the registrant, 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;

b)           Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide
reasonable  assurance  regarding  the  reliability  of  financial  reporting  and  the  preparation  of  financial  statements  for  external  purposes  in  accordance  with  generally  accepted
accounting principles;

c)                      Evaluated  the  effectiveness  of  the  registrant’s  disclosure  controls  and  procedures  and  presented  in  this  report  our  conclusions  about  the  effectiveness  of  the

disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)           Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the
registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over
financial reporting; and

5.            The  registrant’s  other  certifying  officer(s)  and  I  have  disclosed,  based  on  our  most  recent  evaluation  of  internal  control  over  financial  reporting,  to  the  registrant’s

auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)           All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely

affect the registrant’s ability to record, process, summarize and report financial information; and

b)           Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial

reporting.

June 29, 2020                                                                                                

/s/ Jerrold D. Dotson
Jerrold D. Dotson 
Principal Financial
Officer 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
                        
  
 
 
 
 
CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 32

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of VistaGen Therapeutics, Inc. (the “Company ”)

hereby certifies, to such officer’s knowledge, that:

(i) the accompanying Annual Report on Form 10-K of the Company for the annual period ended March 31, 2020 (the “Report”) fully complies with the requirements

of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

(ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

June 29, 2020

/s/ Shawn K. Singh
Shawn K. Singh, JD
Principal Executive Officer

/s/ Jerrold D. Dotson
Jerrold D. Dotson
Principal Financial Officer