SYNAPTIC PHARMACEUTICAL CORP
10-K, 1997-03-21
COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH
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                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549
                                    FORM 10-K

           Mark One:
            [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                 SECURITIES EXCHANGE ACT OF 1934 (FEE REQUIRED)
                   For the fiscal year ended December 31, 1996
                                       OR
            [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF
              THE SECURITIES EXCHANGE ACT OF 1934 (NO FEE REQUIRED)

                         Commission File Number 0-27324

                       SYNAPTIC PHARMACEUTICAL CORPORATION
             (Exact name of registrant as specified in its charter)

                                    Delaware
                         (State or other jurisdiction
                       of incorporation or organization)

                               215 College Road
                                  Paramus, NJ
                   (Address of principal executive offices)

                                  22-2859704
                     (I.R.S. Employer Identification No.)

                                     07652
                                  (Zip Code)

                                 (201) 261-1331
               Registrant's telephone number, including area code

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

           Securities registered pursuant to Section 12(g) of the Act:
                     Common Stock, par value $.01 per share
         Rights to Purchase Series A Junior Convertible Preferred Stock,
                            par value $.01 per share
                                (Title of Class)

         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 X No

         The  approximate  aggregate  market  value of the voting  stock held by
non-affiliates  of the registrant was  approximately  $97,500,000 as of March 3,
1997, based upon the closing price of the Common Stock as reported on The Nasdaq
Stock Market on such date.  For purposes of this  calculation,  shares of Common
Stock held by  directors,  officers  and  stockholders  whose  ownership  in the
registrant is known by the registrant to exceed five percent have been excluded.
This number is provided  only for purposes of this report and does not represent
an  admission  by either the  registrant  or any such person as to the status of
such person.

         As of March 3, 1997,  there were 7,635,006  shares of the  registrant's
Common Stock outstanding.

                       DOCUMENTS INCORPORATED BY REFERENCE

         Portions of the Synaptic Pharmaceutical Corporation Proxy Statement, to
be filed not later than 120 days after December 31, 1996, in connection with the
registrant's  1997  Annual  Meeting of  Stockholders,  referred to herein as the
"Proxy Statement," are incorporated by reference into Part III of this Report on
Form 10-K.



<PAGE>



                       SYNAPTIC PHARMACEUTICAL CORPORATION

      INDEX TO REPORT ON FORM 10-K FOR FISCAL YEAR ENDED DECEMBER 31, 1996



                                     Part I
                                                                            Page

Item  1. Business                                                             1
Item  2. Properties                                                          24
Item  3. Legal Proceedings                                                   24
Item  4. Submission of Matters to a Vote of Security Holders                 25

                                     Part II

Item  5. Market for Registrant's Common Equity and Related
         Stockholder Matters                                                 26
Item  6. Selected Financial Data                                             28
Item  7. Management's Discussion and Analysis of Financial Condition
         and Results of Operations                                           28
Item  8. Financial Statements                                                37
Item  9. Changes in and Disagreements with Accountants on Accounting
         and Financial Disclosure                                            58

                                    Part III

Item 10. Directors and Executive Officers of the Registrant                  59
Item 11. Executive Compensation                                              59
Item 12. Security Ownership of Certain Beneficial Owners and Management      59
Item 13. Certain Relationships and Related Transactions                      59

                                     Part IV

Item 14. Exhibits, Financial Statement Schedules and Reports on Form 8-K     60




                                       (i)

<PAGE>



                                     Part I


Item 1.  Business

Overview

         Synaptic Pharmaceutical  Corporation ("Synaptic" or the "Company") is a
biotechnology company engaged in the development of a broad platform of enabling
technology which it calls "human  receptor-targeted drug design technology." The
Company is utilizing this  technology  both to discover and clone the genes that
code for human  receptor  subtypes  associated  with  specific  disorders and to
design  compounds that can  potentially be developed as drugs for treating these
disorders.  Human receptor subtypes are protein molecules in the human body that
mediate cell-to-cell signaling. The Company believes that by designing compounds
that are selective for specific  receptor  subtypes,  new drugs can be developed
that will be more effective and have fewer side effects than existing  drugs. In
addition, because human receptor-targeted drug design technology has enabled the
Company to discover genes that code for previously  undiscovered  human receptor
subtypes, Synaptic is able to design compounds that act through novel mechanisms
and that are  aimed at  disorders  that  have  historically  been  difficult  or
impossible  to manage.  In order to maximize  its  resources  and  leverage  its
scientific expertise,  the Company focuses on the discovery and design phases of
the drug development  process and  collaborates  with  pharmaceutical  companies
primarily to utilize their expertise in preclinical testing, clinical trials and
commercialization.

         Synaptic  is  currently  engaged in  collaborations  with Eli Lilly and
Company  ("Lilly"),  Merck  & Co.,  Inc.  ("Merck")  and  Novartis  Pharma  A.G.
("Novartis").  (Novartis is the pharmaceutical  subsidiary of Novartis A.G., the
company  that was  recently  formed  through  the  consolidation  of  Synaptic's
original  collaborative  partner,  Ciba-Geigy Limited  ("Ciba-Geigy") and Sandoz
Limited.)  These  collaborations  are  focused  principally  on  drug  discovery
programs for five different therapeutic applications: migraine headache, smoking
cessation,  depression,  benign  prostatic  hyperplasia and obesity.  In January
1995,  the Company and Lilly extended for an additional  four-year  period their
collaboration,  which  began  in  1991  and  is  related  to the  discovery  and
development   of  serotonin   receptor   subtype-selective   drugs  for  various
therapeutic  applications,  including migraine  headache,  smoking cessation and
depression.  The Company  and Lilly  substantially  increased  the size of their
collaboration  in October  1996. In November  1993,  the Company and Merck began
collaborating  on a program  focused on the  development of alpha-1a  adrenergic
receptor  subtype-selective  compounds  for the  treatment  of benign  prostatic
hyperplasia.  This  collaboration was extended for an additional year in October
1996. In August 1994, the Company began a collaboration with Ciba-Geigy,  one of
Novartis A.G.'s predecessors-in-interest, to discover and develop neuropeptide Y
receptor subtype-selective drugs for the treatment of obesity. The scope of this
collaboration was expanded in May 1996 to cover the discovery and development of
drugs that act through other, as yet undisclosed mechanisms for the treatment of
obesity.  In connection with this expansion,  the term of the  collaboration was
extended for an additional year. Each of Lilly,  Merck and Novartis provides the
Company  with  financial  support  for  research.  In  addition,  each of  these
collaborative  partners  is required  to make  payments to the Company  upon the
achievement of certain  milestones and to pay the Company  royalties  based upon
net sales of any drugs resulting from its collaboration with the Company.

         In addition to its collaborations  with Lilly, Merck and Novartis,  the
Company  entered  into  a  collaborative   arrangement  with  The  DuPont  Merck
Pharmaceutical  Company  ("DuPont  Merck") in  February  1996  pursuant to which
DuPont  Merck  licensed and is utilizing  certain  technology  of the Company to
discover  and develop  drugs that are  selective  for certain  alpha  adrenergic
receptor subtypes for certain undisclosed

                                                         1

<PAGE>



therapeutic  indications.  As part of its arrangement  with the Company,  DuPont
Merck is  required  to make  payments to the  Company  upon the  achievement  of
certain  milestones and to pay the Company royalties based upon net sales of any
drugs resulting from the collaboration.

         The   Company's   human   receptor-targeted   drug  design   technology
encompasses  three steps:  (i) the discovery and cloning of the human genes that
code for the targeted receptor subtypes;  (ii) the use of each of these genes to
create a cell line that can be used to measure,  or assay,  the  pharmacological
properties of compounds that bind to the targeted receptor subtype and that are,
therefore,  candidates for drug development; and (iii) the design, synthesis and
optimization  of compounds  that are highly  selective  for the  targeted  human
receptor  subtype and that have low affinities for human receptor  subtypes that
may be associated with undesirable side effects.

         The receptors on which Synaptic focuses its receptor and drug discovery
efforts  are  members  of a  receptor  superfamily  known as "G  protein-coupled
receptors."  The  Company  selected  this  receptor  family  primarily  for  the
following reasons. First, many G protein-coupled receptors have been shown to be
effective drug targets, as evidenced by the commercial availability of drugs for
a wide  variety  of  therapeutic  applications  that  work  by  means  of  their
interactions with G  protein-coupled  receptors.  Second,  the G protein-coupled
receptor  superfamily is extremely  large and diverse,  comprising  according to
several estimates in excess of 1,000 receptors,  with its members being involved
in the mediation of a broad array of physiological functions.  Accordingly,  the
Company believes that there are substantial opportunities to use many members of
the G protein-coupled receptor superfamily as targets for novel drugs.


Strategy

         Synaptic's  strategy is to  develop,  together  with its  collaborative
partners,   a  broad   array  of  drugs   based   upon   the   Company's   human
receptor-targeted  drug  design  technology.  This  strategy  consists  of three
principal objectives:

               To  aggressively  discover and clone G  protein-coupled  receptor
          genes. The Company is aggressively seeking to expand its collection of
          cloned genes that code for members of the G  protein-coupled  receptor
          superfamily.  As of March 3, 1997,  Synaptic's collection included ten
          receptor  genes with respect to which  Synaptic  had  received  United
          States patents. In addition,  claims under an additional United States
          patent application  relating to another receptor gene had been allowed
          and United  States  patent  applications  relating to other genes that
          code  for  G   protein-coupled   receptors   were   pending.   Several
          corresponding  patent  applications  have  also  been  filed  in other
          countries.

               To efficiently  discover and design  potential  drugs through the
          use of its human receptor-targeted drug design technology.  Synaptic's
          human  receptor-targeted  drug design  technology is being used by the
          Company  and its  collaborative  partners  to design,  synthesize  and
          optimize  compounds  for  further   development.   The  Company's  two
          approaches to designing and synthesizing compounds include traditional
          medicinal   chemistry  and  the  newer   technology  of  combinatorial
          chemistry,  each of which is supported by the  Company's  expertise in
          computer-assisted   molecular  modeling.  With  both  approaches,  the
          Company's  chemists  and  pharmacologists  use their  knowledge of the
          structures  of targeted  receptor  subtypes  to design and  synthesize
          initial  chemical  structures that are then optimized.  As of March 3,
          1997,  Synaptic's chemists were involved in a number of drug discovery
          programs,  two of which were being conducted in collaboration with the
          Company's  partners.  Depending  upon  the  specific  terms  of  their
          agreements  with  the  Company,  the  Company's  partners  may  select
          compounds
                                                         2

<PAGE>



         for testing in the Company's drug discovery  systems from the Company's
         existing  libraries  of  compounds,  their own  existing  libraries  of
         compounds or newly discovered or designed compounds.

         To leverage resources through collaborations and licensing arrangements
         with  pharmaceutical  companies.  The  Company's  strategy  is to focus
         initially on the discovery  and design  phases of the drug  development
         process and to engage in collaborations and licensing arrangements with
         pharmaceutical companies. Synaptic's collaborative partners participate
         in the  early  phases of the drug  development  process  and  generally
         assume  principal  responsibility  for  preclinical  testing,  clinical
         trials and  commercialization.  This strategy  allows  Synaptic to gain
         access to the  expertise  and resources of its partners and to maintain
         relatively low capital requirements.

         Synaptic was  incorporated in Delaware in January 1987. The address and
telephone number for the executive  offices of the Company are 215 College Road,
Paramus, New Jersey 07652, (201) 261-1331.


Background

     Intercellular Communication: The Role of Receptors in Controlling
         Cellular Function

         The human body coordinates its activities through  communication  among
its  great  variety  of  cells  and  tissues.  One of  the  principal  means  of
communication  occurs  through  chemical  signaling,  when one cell  releases  a
chemical messenger, called a "ligand," which ultimately binds to and activates a
protein  molecule,  called a  "receptor,"  on the surface of another  cell.  The
activation  of the  receptor on the  surface of the  receiving  cell  triggers a
cascade of events in which the  message  received by the  receptor  is, in turn,
transmitted  to the  interior of the cell,  thereby  causing  some aspect of the
behavior of the receiving cell to change. The nature of this change depends upon
a number of factors,  including the specific ligand and receptor involved in the
communication.

         There  exist in the  human  body  many  different  kinds  of  receptors
involved  in  cellular  communication.   Receptors  are  first  classified  into
categories, called "superfamilies," based upon similarities in their biochemical
and structural properties. Of the principal superfamilies of receptors, Synaptic
focuses  its  receptor  and  drug  discovery  efforts  on the G  protein-coupled
superfamily of receptors.  The receptors  included  within each  superfamily are
then  subcategorized  into groups,  called  "families,"  based upon the specific
ligands with which they  interact.  Examples of receptor  families  within the G
protein-coupled receptor superfamily are the serotonin, adrenergic, neuropeptide
Y and  galanin  families  of  receptors.  Each member of each family is called a
"receptor subtype."

         Historically,  it was believed  that each family of receptors  had only
one or two members.  In recent years,  however,  scientists have discovered that
many families of receptors have more than two receptor  subtypes.  The number of
receptor  subtypes within each family of receptors  varies,  with some families,
such as the serotonin  family,  comprising at least 14 known receptor  subtypes,
and other families, such as the alpha adrenergic family, comprising at least six
known receptor subtypes.

         In general, each receptor subtype is distributed differently throughout
the body and often  controls  physiological  functions  that are different  from
those  controlled  by  other  receptor  subtypes  within  the  same  family.  By
interacting  with all of its receptor  subtypes that are located  throughout the
body, a single ligand thus plays a role in numerous physiological functions. For
example, the ligand for adrenergic receptor subtypes,  noradrenaline (also known
as  norepinephrine),  interacts with at least nine different  receptor  subtypes
(six alpha

                                                         3

<PAGE>



and three beta receptor  subtypes),  one of which has been shown to contract the
muscles surrounding the prostate and another of which has been shown to regulate
blood pressure.  In some cases,  the same receptor subtype is found in different
tissues of the human body. A compound designed to bind selectively to a receptor
subtype for  treating a disorder  in one tissue  could,  therefore,  potentially
cause an adverse side effect in other  tissues  that  contain the same  receptor
subtype.  The tissue affected by the disorder may,  however,  have certain other
characteristics  that  can  be  exploited  to  guide  receptor  subtype-targeted
compounds to that tissue.


         Receptor-Based Drug Therapy -- The Traditional Approach

         Many  illnesses  arise  because  of   abnormalities   in  intercellular
communication,  and the concept of receptor-based  drug therapy was developed to
address  this  problem.  The goal of receptor  based-drug  therapy is to develop
drugs that will  interact with the receptor  believed to be associated  with the
targeted abnormality, thereby inhibiting or enhancing the cascade of events that
is  mediated  by the  receptor.  A number  of  receptor-based  drugs  have  been
developed and are currently being used. In general,  however, these drugs do not
differentiate  among receptor  subtypes and, while they may indeed interact with
the targeted receptor subtypes, thereby having some therapeutic effect, they may
also  interact  with  other  receptor  subtypes  within  the same  family as the
targeted receptor subtypes. These other receptor subtypes may be associated with
other physiological  functions,  and interactions of these drugs with them often
result in  undesirable  side  effects.  In  addition,  many of these  drugs have
limited  therapeutic  utility  because they must be used in suboptimal  doses in
order to minimize these side effects.

         The reason that most of these  currently  available drugs are unable to
differentiate  among  receptor  subtypes  stems  from the fact  that  they  were
discovered through traditional drug discovery methods.  The traditional approach
to drug  discovery  involves the screening of compounds  against  animal tissues
containing  multiple  receptor  subtypes to determine their relevant  biological
activity.  This approach is limited in its ability to yield optimally  effective
drugs because of inherent limitations in the use of animal tissues to test drugs
intended for humans. First, by using animal tissues containing multiple receptor
subtypes,  it is usually  difficult  and often  impossible  both to measure with
precision the effect of a compound on the receptor subtype that is the target of
a drug  discovery  effort and to  determine  whether the  compound is binding to
other  receptor  subtypes in the tissue that are not the  intended  drug target.
Second, due to differences in the receptor systems of various species of animals
as compared to humans, there are often significant  differences between a drug's
activity in animals and the same drug's activity in humans.  In fact,  there are
several examples of drug development candidate failures in human clinical trials
that were due to differences  in the properties of such  candidates in humans as
compared to their  properties in the animal tissues that were initially used for
drug  discovery.  As a consequence,  compounds  initially  tested against animal
tissues  often  do not  have  the  desired  effects  when  they  are  ultimately
administered to humans in clinical trials.


Synaptic's Human Receptor-Targeted Drug Design Technology

         Synaptic  believes  that  its  human   receptor-targeted   drug  design
technology  can overcome the  limitations  of the  traditional  approach to drug
discovery.  This technology  involves three steps: (i) the discovery and cloning
of the human genes that code for the targeted receptor subtypes; (ii) the use of
each of these genes to create a cell line that can be used to measure, or assay,
the  pharmaceutical  properties of compounds that bind to the targeted  receptor
subtype and that are, therefore,  candidates for drug development; and (iii) the
design,  synthesis and  optimization of compounds that are highly  selective for
the targeted human receptor subtype.  In the first step, the Company's molecular
biologists employ genetic engineering techniques to clone the gene

                                                         4

<PAGE>



that  codes for the  receptor  subtype of  interest.  In the  second  step,  the
Company's  cell  biologists  place the gene into a  recipient  cell  which  then
expresses the human receptor subtype on its surface.  This recipient cell, which
expresses a single  population  of the targeted  human  receptor  subtype and is
devoid  of all  other  related  receptor  subtypes,  is then  propagated  by the
Company's  cell  biologists,  resulting  in the  establishment  of a cell  line.
Finally,  this cell  line is used as a drug  discovery  system by the  Company's
pharmacologists  to  evaluate  compounds  synthesized  by the  Company's  or its
collaborative  partners'  chemists.  Since each of these cell lines  expresses a
single receptor  subtype,  it is possible to design compounds with high affinity
for the  ultimate  target of a drug  discovery  program--the  appropriate  human
receptor  subtype--and  low  affinity  for  those  subtypes  suspected  of being
associated with side effects.

         The Company's  technology makes it possible not only to clone receptors
previously  believed or known to exist,  but also to discover and clone receptor
subtypes which had previously  been  undetectable in animal tissues because they
were   present  in   concentrations   too  low  to  detect   using   traditional
pharmacological techniques. Many of these newly discovered receptor subtypes may
provide  opportunities  for the design of novel drugs. In addition,  the Company
believes that its ability to access and to use individual  cloned human receptor
subtypes in its drug design  efforts will yield safer and more  effective  drugs
than those  currently  available.  The  Company's  technology  also  enables the
Company   and   its   collaborative    partners   to   eliminate   or   redesign
non-subtype-selective  compounds  and  compounds  that react  poorly  with human
targets at an early  stage of the drug  development  process  rather than at the
costly later stages of preclinical testing and clinical trials.  Finally,  drugs
developed through the use of the Company's human  receptor-targeted  drug design
technology  will be small molecule drugs which offer  possibilities  of avoiding
specialized delivery approaches and which may be delivered orally.

         The Company also believes that its success in the discovery of receptor
subtypes  will enable it to further  refine the  understanding  of many  disease
processes.  There is  increasing  evidence to suggest  that some  disorders  may
actually involve the malfunctioning of any one of a variety of receptor subtypes
included  within  different  receptor  families.  For  example,  in the  case of
obesity,  there are  pharmacological  data  indicating  that  several  different
ligands,  including  neuropeptide  Y and  galanin,  play a role  in  controlling
appetite.  As a result,  more than one drug could be developed to treat obesity,
but such drugs would work through  different  biological  mechanisms by exerting
their  therapeutic  effects by interacting with receptor  subtypes  belonging to
different families.  The Company believes that its human  receptor-targeted drug
design  technology  may make it possible to discover two or more separate  drugs
that could benefit  distinct  patient  populations  whose symptoms (for example,
obesity),  while  identical,  stem from  different  physiological  disorders and
therefore require different treatments.  Consequently,  it has initiated several
programs in which different receptor subtypes are being used as drug targets for
the same therapeutic application.

         To date,  the Company has not  completed  development  of any drugs and
does not expect that drugs developed by it or its collaborative partners will be
commercially available for a significant number of years, if at all.


         Receptor Gene Discovery and Cloning

         To date,  the Company's  receptor  cloning  projects have included four
families of receptors within the G protein-coupled superfamily of receptors: the
serotonin,  alpha adrenergic,  neuropeptide Y and galanin receptor families.  In
addition, projects directed toward other receptor families are ongoing.


                                                         5

<PAGE>



         The Company's collection of cloned genes that code for receptors in the
G protein-coupled  receptor superfamily  comprises human genes, as well as genes
from various other mammalian  species that correspond to the human genes.  These
cloned receptor genes include genes that have been discovered by the Company and
genes that have been  discovered by others about which  information  is publicly
available.  In general,  the Company seeks to patent those cloned receptor genes
and those drug discovery systems that it has discovered or invented. The Company
has been issued United States patents  relating to the genes that code for ten G
protein-coupled  receptors  and related  drug  discovery  systems.  In addition,
claims under a United States patent application  relating to the gene that codes
for another G  protein-coupled  receptor and related drug discovery  system have
been  allowed and patent  applications  relating to other gene  discoveries  and
related drug  discovery  systems of the Company are pending in the United States
Patent and Trademark Office. Several corresponding patent applications have also
been filed in other  countries.  There can be no assurance that the Company will
be awarded patents in respect of any of its pending patent applications.


         Drug Discovery Systems

         Once the Company clones the gene for a targeted  receptor  subtype,  it
places the gene into a recipient cell which then expresses the targeted receptor
subtype on its surface.  This cell,  which expresses a single  population of the
targeted human  receptor  subtype,  is then  propagated in the laboratory by the
Company's cell biologists,  resulting in the  establishment of a cell line. This
cell line, which  constitutes a drug discovery  system, is used in two different
types of assays:  binding assays and functional  assays.  In Synaptic's  binding
assays,  the  Company's  pharmacologists  measure the affinity of a compound for
both the  receptor  subtype that is the target of a  particular  drug  discovery
program  and the other  receptor  subtypes  that could be  associated  with side
effects.  These measurements help to predict the potency of a compound,  as well
as the degree of  selectivity  that the compound  has for the targeted  receptor
subtype over other  receptor  subtypes.  The data obtained  from binding  assays
enable the chemists to design  compounds  toward or away from one or more of the
relevant  subtypes,  as  appropriate,   for  optimal  therapeutic  efficacy.  In
Synaptic's functional assays, the Company's pharmacologists determine the nature
of  the  response  of the  receptor  subtype  to the  compound.  Data  from  the
functional  assays show whether the compound is acting to inhibit or enhance the
activity of the receptor subtype.  By enabling the Company's  pharmacologists to
evaluate compounds rapidly at their ultimate human receptor subtype targets, the
Company's  proprietary drug discovery  systems serve as tools that the Company's
and its partners'  chemists can use to rationally design drugs that will be more
effective and have fewer or substantially less severe side effects than existing
drugs.  Although the Company believes that its drug discovery systems accurately
measure the  properties  of a  compound's  interaction  with the human  receptor
subtypes, there are many additional factors, such as the drug's stability in the
body  or its  ability  to be  administered  orally,  that  impact  the  ultimate
pharmaceutical success of a compound.


         Chemistry and Molecular Pharmacology

         The Company  employs  two  approaches  to  designing  and  synthesizing
receptor  subtype-selective  compounds,  traditional medicinal chemistry and the
newer technology of combinatorial chemistry,  both of which are supported by the
Company's  expertise  in   computer-assisted   molecular  modeling.   With  both
approaches,  the Company's chemists and  pharmacologists  use their knowledge of
the structures of the targeted  receptor  subtypes and known compounds to design
and synthesize chemical structures that will have activity at these subtypes.


                                                         6

<PAGE>



         Combinatorial  chemistry involves  automated  synthesis of a variety of
novel  compounds by assembling  them using  different  combinations  of chemical
building blocks.  The use of  combinatorial  chemistry  greatly  accelerates the
process of generating  compounds.  The resulting  arrays of compounds are called
libraries  and  are  used  to  screen  for  compounds  ("lead  compounds")  that
demonstrate a sufficient level of activity at receptors of interest. The Company
is using combinatorial  chemistry to synthesize "focused" libraries of compounds
anticipated to be highly biased toward the Company's drug discovery targets. The
Company's scientists have successfully  generated lead compounds through the use
of these combinatorial chemistry techniques.

         Once  lead  compounds  are  identified,  whether  through  the  use  of
combinatorial  chemistry  or  traditional  medicinal  chemistry,  a  variety  of
analogues  are  prepared to  facilitate  an  understanding  of the  relationship
between chemical  structure and biological  activity.  These studies help define
structure  activity  relationships  which  can  then  be  used  to  design  drug
candidates with improved potency,  selectivity and  pharmacokinetic  properties.
Combinatorial  chemistry is used to rapidly generate a variety of structures for
lead optimization. Traditional medicinal chemistry, which involves the synthesis
of compounds one at a time, is also used for further  refinement and to generate
compounds not accessible by automated techniques.

         The G Protein-Coupled Receptor Superfamily

         The  superfamily  of receptors to which the Company has chosen to apply
its human  receptor-targeted  drug design  technology  is the G  protein-coupled
receptor superfamily, so called because the cascade of events that ensues within
the receiving cell following the occurrence of the  ligand-receptor  interaction
is mediated by a class of proteins called "GTP-binding  regulatory proteins," or
"G proteins," found within the cell.

         The  Company  chose  to  focus  on  the  G   protein-coupled   receptor
superfamily  because it  believes  that this  superfamily  provides  the optimum
opportunity  for the  exploitation  of its human  receptor-targeted  drug design
technology.  First,  it is known that G  protein-coupled  receptors play a major
role in intercellular communication and that drugs that block ("antagonists") or
enhance ("agonists") their activity have therapeutic  utility.  Examples of such
drugs include:  Tagamet(R), a histamine receptor antagonist for the treatment of
ulcers;  Imitrex(R),  a serotonin receptor agonist for the treatment of migraine
headache; and Hytrin(R),  an adrenergic receptor antagonist for the treatment of
hypertension and benign prostatic hyperplasia.  Second, there is a large body of
knowledge  about some of the basic  structural  elements of drugs that  interact
with these receptors that has accumulated  over the years from which the Company
and its  collaborative  partners  can draw in  beginning  their  drug  discovery
programs.  Third, the G protein-coupled receptor superfamily is extremely large,
comprising by several estimates in excess of 1,000 receptor  subtypes  belonging
to more than 40  families.  Fewer  than  half of the  genes  that code for these
subtypes have been cloned.  G  protein-coupled  receptors are included among the
most important  components  needed for cellular  signaling in the body and, as a
result, influence a broad array of physiological functions.


Receptor and Drug Discovery Programs

         At any point in time the Company is generally pursuing several receptor
discovery  programs.  Among the  receptor  discovery  programs  currently  being
pursued by the Company are the programs  focused on the neuropeptide Y family of
receptors and on the galanin family of receptors.

         The Company is also pursuing  several drug discovery  programs based on
certain of its  receptor  discoveries.  The  Company's  primary  drug  discovery
programs are focused on human serotonin, adrenergic,

                                                         7

<PAGE>



neuropeptide Y and galanin receptor  subtypes.  Serotonin  receptor subtypes are
associated with a variety of disorders,  including migraine  headache,  anxiety,
depression,  eating disorders,  sexual dysfunction,  gastro-intestinal disorders
and alcoholism.  Adrenergic  receptor  subtypes are associated with a variety of
disorders,   including  urinary   retention   resulting  from  benign  prostatic
hyperplasia, hypertension,  atherosclerosis, nasal congestion and genito-urinary
disorders,  and may be useful  as  targets  for the  design  of new  classes  of
anesthetics,  analgesics  and sedatives.  Neuropeptide  Y receptor  subtypes are
associated with eating  disorders,  cardiovascular  disease,  pain,  anxiety and
depression.  Galanin  receptor  subtypes are also  associated  with a variety of
disorders, including obesity, dementia, depression and pain.

         The  serotonin   programs  are  being   conducted  by  the  Company  in
collaboration  with Lilly. Of the Company's three  adrenergic  programs,  one is
being conducted by the Company in  collaboration  with Merck, one is the subject
of the  Company's  agreement  with  DuPont  Merck  and  one is  currently  being
conducted by the Company  independently.  Of the Company's three  neuropeptide Y
programs,  one is being conducted by the Company in collaboration  with Novartis
and two are currently being conducted by the Company independently.  The galanin
program is also currently being conducted by the Company independently.

         Research and development spending by the Company for each of the fiscal
years  1994,  1995  and  1996  was  $9,308,917,   $9,863,769  and   $11,336,756,
respectively, of which 32%, 17% and 26%, respectively, was spent on those of the
Company's  receptor and drug  discovery  programs that were not being  conducted
with a collaborative  partner. The decrease in internal research and development
spending from 1994 to 1995 was due principally to the Company's  reallocation of
manpower from internal programs to the collaborative program with Novartis which
began in August 1994. In order to conserve funds, the Company  determined not to
increase its internal  research and development  spending in 1995 from the level
which resulted from the manpower  reallocation  in connection  with the Novartis
collaboration.   While  internal  research  and  development  spending  in  1995
decreased,  the  research  funding  support and other  revenue  generated by the
Novartis collaboration has allowed the Company to expand its infrastructure more
rapidly  than it would have in its  absence.  Following  the  completion  of its
initial public  offering in December  1995,  the Company  increased its internal
research and development  spending  during 1996 and intends to further  increase
such spending during 1997.

         The Company's  receptor and drug  discovery  programs are summarized in
the following table:


                                                         8

<PAGE>



                       Synaptic Pharmaceutical Corporation
                      Receptor and Drug Discovery Programs


PROGRAM(1)                  PRIMARY INDICATIONS       STATUS(2)       PARTNERS
- ----------                  -------------------       ---------       --------

SEROTONIN PROGRAMS
- ------------------

Serotonin 1F                Migraine              Phase I Clinical     Lilly

Serotonin 1A                Smoking Cessation     Early Preclinical    Lilly

Serotonin (3)               Depression            Early Preclinical    Lilly

ALPHA ADRENERGIC PROGRAMS
- -------------------------

Alpha-1a Adrenergic         Benign Prostatic
                              Hyperplasia         Late Preclinical      Merck

Alpha Adrenergic (3)        (4)                   Discovery         DuPont Merck

Alpha 2 Adrenergic (3)      Pain                  Leads Identified        --

NEUROPEPTIDE Y PROGRAMS
- -----------------------

Neuropeptide Y5             Obesity               Early Preclinical    Novartis

Neuropeptide Y2 Agonist     Pain                  Discovery                --

Neuropeptide Y2 Antagonist  Anxiety and
                              Depression          Leads Identified         --

GALANIN PROGRAM
- ---------------

Galanin (3)                 Obesity, Dementia,
                              Depression
                               and Pain           Cloning and Discovery    --
- --------------------------------------------------------------------------------

(1) The Company is working on receptor and drug  discovery  programs in addition
to those programs referenced in the above table. In general,  the drug discovery
and receptor  discovery  programs that are specifically  referenced in the above
table  are at more  advanced  stages  of  development  than  those  that are not
specifically referenced in the table.

(2)  "Cloning"  refers  to the  stage at which  the  Company  is  attempting  to
discover,   identify  and  clone  the  genes  for  specific  receptor  subtypes.
"Discovery"  refers to the stage at which  chemists are  attempting  to identify
receptor  subtype-selective  compounds  through  the use of the  Company's  drug
discovery  systems.  "Leads  Identified"  refers to the stage at which  receptor
subtype-selective  compounds  have  been  identified  through  the  use  of  the
Company's drug discovery  systems.  "Early  Preclinical"  refers to the stage at
which one or more leads have been identified and are being tested in in vitro or
in vivo model systems for one or more  indications.  In addition,  at this stage
lead compounds may have been shown to be active in animal models for one or more
indications and  preliminary  toxicology and  pharmacokinetic  studies will also
have been concluded.  "Late Preclinical" refers to the stage at which a clinical
candidate  has  been  selected,  scale-up  of  such  candidate  is  underway  or
completed,  and toxicology and pharmacokinetic  studies are planned or underway.
"Phase I Clinical" refers to the stage at which a drug candidate is administered
to a small group of healthy human subjects for the purpose of testing for safety
(adverse effects), dose tolerance,  absorption,  bio- distribution,  metabolism,
excretion and clinical pharmacology.

(3) The  specific  receptor  subtype  that is the  target  of  this  program  is
confidential to the Company and, if applicable, its collaborative partners.

(4) The primary  indications of this program are confidential to the Company and
DuPont Merck.
                                                         9

<PAGE>



Serotonin Programs

         Serotonin is one of the major  neurotransmitters,  a type of ligand, of
the  body.  It  affects  mood,  sleep  rhythms,   sexual  functions,   appetite,
temperature   control,   gastro-intestinal   movement  and  the  cardiovascular,
pulmonary and genito-urinary  systems. Drugs that inhibit or enhance the actions
of  serotonin  have  proven  to be  effective  in the  treatment  of an array of
disorders,  such as migraine headache,  depression and anxiety. However, none of
the limited number of serotonergic  drugs currently  available was designed with
the use of cloned serotonin  receptor subtype genes and some of these drugs have
undesirable  side effect profiles.  It is generally  believed that the poor side
effect profiles stem from the interaction of these drugs with multiple serotonin
receptor subtypes. The serotonin family is extremely large,  comprising at least
14 receptor subtypes. While each of these receptor subtypes may be implicated in
a physiological  function distinct from the other subtypes,  all of the receptor
subtypes  respond to the  neurotransmitter  serotonin--and  may be responding to
non-subtype-selective  drugs.  As a consequence,  a  non-subtype-selective  drug
intended to exert its effects on one physiological function may in fact have the
unintended consequence of exerting its effects on other physiological functions,
thereby causing the undesirable side effects.

         Of the 14  serotonin  receptor  subtype  genes  reported  to have  been
discovered  and cloned,  the Company  believes  that it is  responsible  for the
discovery  and  cloning of seven.  The Company has been  granted  United  States
patents covering five of these genes and related drug discovery systems, and has
received a notice of  allowance  from the  United  States  Patent and  Trademark
Office  covering the sixth of these genes and the related  discovery  system.  A
patent  application  covering  the seventh of these  genes and the related  drug
discovery  system and additional  patent  applications  relating to all of these
genes have been filed.  The Company has found,  through the use of these  cloned
receptor genes and related drug discovery systems,  that the serotonin system is
significantly more complex than had previously been understood and believes that
the use of its  technology  to design  serotonin  subtype-selective  drugs  will
result  in new  serotonergic  drugs  with  improved  efficacy  and  side  effect
profiles, as well as serotonergic drugs for new therapeutic applications.  There
can be no assurance that the Company will be successful in designing a serotonin
receptor subtype-selective drug that will achieve the foregoing desired effect.

         The Company, in collaboration with Lilly, is currently  conducting drug
discovery  programs  focused  on a number of  serotonin  receptor  subtypes  and
therapeutic  applications.  As part of the collaboration,  compounds supplied by
Lilly are  assayed by the Company  and by Lilly  using the  Company's  serotonin
receptor subtype drug discovery  systems.  To date,  receptor  subtype-selective
compounds have been identified for a number of serotonin  programs.  The program
focused on the discovery and  development of drugs for the treatment of migraine
headache is currently in Phase I clinical trials and as of March 3, 1997,  Lilly
confirmed that, based upon currently available information,  it intends to begin
the Phase II stage of  development  with this program during the second or third
quarter  of 1997.  In  connection  with the  collaboration,  Lilly  received  an
exclusive  worldwide  license  to use  all  but  two of the  Company's  existing
serotonin drug discovery  systems for the development and  commercialization  of
serotonergic drugs. Certain of the serotonin programs are described below.


         Migraine Headache

         Migraine headaches are periodic  throbbing  headaches often accompanied
by nausea and  vomiting.  One of the newer drugs  available for the treatment of
migraine,  Imitrex(R), is an agonist of certain serotonin receptor subtypes that
was  discovered  using the  traditional  approach  to drug  discovery.  Although
effective in most patients,  the drug has been associated with the tightening of
the coronary blood vessels. As a result, the drug

                                                        10

<PAGE>



is contraindicated  both in patients with ischemic heart disease and in patients
with  symptoms  of  ischemic  heart  disease.   In  addition,   because  of  the
cardiovascular risks, it is recommended that, in the case of any patient in whom
unrecognized  coronary  disease is comparatively  likely,  the first dose of the
drug be  administered  in a  physician's  office.  Finally,  the drug is  poorly
absorbed from the gastrointestinal  tract.  Therefore,  to be most effective, it
must be given by injection.

         The Company and Lilly are focused on developing anti-migraine compounds
with  increased  efficacy  and  reduced  side  effects.  Through  the use of its
serotonin   receptor  subtype  drug  discovery  systems,   Synaptic   scientists
discovered  that  Imitrex(R)  reacted  strongly  with three  serotonin  receptor
subtypes,  serotonin 1D[alpha] and 1D(beta),  both of which were long thought to
be the targets for  anti-migraine  effects,  as well as serotonin  1F.  Synaptic
scientists  proposed that the  appropriate  serotonin  receptor  subtype for the
treatment  of  migraine is the  serotonin  1F receptor  subtype.  Together  with
scientists at Lilly, Synaptic scientists identified compounds that are selective
agonists of the serotonin 1F receptor  subtype.  These  compounds were tested in
animal models at Lilly and shown to be orally active and to have a long duration
of action. The compounds were also shown to be potent in an animal model that is
thought by many scientists in the field to be predictive of therapeutic  utility
for the treatment of migraine.  Furthermore,  these  compounds  were inactive in
vasoconstriction  assays at Lilly,  thereby suggesting that the possible adverse
events  reported for  Imitrex(R)  would not limit the  treatment  potential of a
1F-selective  agonist  for  migraine.  Lilly  is  currently  conducting  Phase I
clinical  trials with one of these  compounds in Europe and as of March 3, 1997,
confirmed that, based upon currently available information,  it intends to begin
Phase II clinical trials with the compound during the second or third quarter of
1997.

         Smoking Cessation

         There are more than 150 million smokers in major market countries, more
than 30  million  of whom  attempt  each year to quit  smoking.  Chronic  use of
tobacco is causally linked to a variety of serious diseases,  including coronary
heart disease, cancer and emphysema. Nicotine patches and nicotine gum have been
used as smoking  cessation  aids, but have met with limited  success.  Moreover,
there are not any oral smoking cessation aids currently on the market.

         The Company and Lilly are engaged in a program to identify  and develop
serotonin 1A antagonists  which  ameliorate the withdrawal  symptoms  frequently
suffered in  connection  with smoking  cessation.  As part of the  program,  the
Company and Lilly have designed novel compounds  which are highly  selective for
and are potent antagonists of the serotonin 1A receptor subtype. These compounds
have been shown to be effective in an animal  model of nicotine  withdrawal  and
may lead to drugs which are more effective as smoking  cessation aids than those
currently available.


         Depression

         A number of different  pharmacologic  strategies have been developed to
treat  depression.  The early drugs shown to be  effective  in the  treatment of
depression,  such as the  tricyclic  antidepressants,  lithium and the monoamine
oxidase inhibitors, have side effects associated with their use that limit their
effectiveness. Recently, selective serotonin reuptake inhibitors (SSRI), such as
Prozac(R), have been shown to be highly effective in the treatment of many forms
of depression.  A number of SSRI  compounds are now approved for marketing,  and
these drugs have captured a  significant  market  share.  However,  all of these
currently  available  drugs have  significant  deleterious  side effects in many
patients  which may limit  their use. In  addition,  these drugs have a lag time
before their  beneficial  clinical  effects can be seen.  This lag time can be a
serious

                                                        11

<PAGE>



problem, especially in the depressed suicidal patient. Furthermore,  there are a
significant  number of  patients  that do not  adequately  respond to any of the
currently available drug therapies.

         Scientists  at  Synaptic  and Lilly  have  identified  novel  serotonin
receptor-subtype  selective  compounds  that may have rapid onset of efficacy in
the treatment of depression  and that may also have better side effect  profiles
than drugs currently available.


         Other Serotonin Programs

         The Company has cloned additional  serotonin receptor subtypes that are
either not  currently  being  pursued  by it and Lilly as drug  targets in their
collaborative drug discovery programs or are being so pursued but are focused on
therapeutic  applications  which are currently  confidential  to the Company and
Lilly.  In  addition,  there is evidence to suggest  that one or more  serotonin
receptor subtypes that are the targets of the drug discovery  programs currently
being  conducted  by the  Company and Lilly may be relevant as targets for other
therapeutic  applications.  The Company expects that it and Lilly will establish
additional drug discovery  programs  focused on these other  serotonin  receptor
subtypes or therapeutic  applications  in the future.  There can be no assurance
that the Company will establish additional drug discovery programs with Lilly.


Alpha Adrenergic Programs

         Alpha  adrenergic  receptors  are  activated  by  the  neurotransmitter
norepinephrine (noradrenaline).  The alpha adrenergic receptors serve a critical
control  function in regulating  involuntary  physiological  functions,  such as
blood  pressure,  heart  rate and  smooth  muscle  tone,  and thus may  serve as
important  tools in the management of many disorders,  such as benign  prostatic
hyperplasia ("BPH") and hypertension.

         Until 1982, only two alpha adrenergic  receptors  (alpha-1 and alpha-2)
were believed to exist.  Since then,  scientists  have discovered that the alpha
adrenergic  receptor  family  contains  six  subtypes  (alpha-1a,  1b and 1d and
alpha-2a,  2b and 2c). The Company believes it was responsible for the discovery
of the genes that code for four of the six alpha adrenergic  subtypes in humans.
The Company has received  three United States  patents  relating to two of these
genes and related drug discovery systems.

         There are a number of  adrenergic  drugs on the market  today which are
effective in the  treatment of a variety of  disorders.  However,  most of these
drugs were  discovered  in the 1970's  prior to the  discovery  of the six alpha
adrenergic  subtypes  and  are not  selective  for  any  one of  these  receptor
subtypes.  The Company  believes that many of the side effects  associated  with
these drugs may be traced to a lack of selectivity for the appropriate  receptor
subtypes.  The Company is using its alpha  adrenergic drug discovery  systems to
discover compounds with increased  receptor subtype  selectivity and is involved
in three separate programs  involving alpha adrenergic  receptor  subtypes:  the
Alpha-1a  Antagonist  Program,  the  Alpha  Adrenergic  Program  and the Alpha 2
Adrenergic Program.

         The  Company and Merck are  collaborating  on the  Alpha-1a  Antagonist
Program to develop  drugs for the treatment of BPH. The Company is involved with
DuPont Merck in the Alpha Adrenergic Program, the purpose of which is to develop
drugs that are selective for one or more alpha adrenergic  receptor subtypes for
one or more  therapeutic  indications  that are  confidential to the Company and
DuPont Merck.  The Alpha 2 Adrenergic  Program is being conducted by the Company
independently, although the Company is seeking a

                                                        12

<PAGE>



partner with which to collaborate  on this drug discovery  program or a licensee
to  pursue  the  program.  The  Alpha-1a  Antagonist  Program  and  the  Alpha 2
Adrenergic Program are discussed below.


         Benign Prostatic Hyperplasia

         BPH is a pathology of the prostate,  a  walnut-sized  gland in men that
surrounds the urethra as it exits the bladder. As men age, cells in the prostate
proliferate,  causing  growth in the  prostatic  tissue which in turn results in
pressure on the  urethra.  Common  symptoms of BPH  include  urinary  retention,
hesitancy or difficulty  initiating the stream of urine,  urinary  frequency,  a
sense of urgency and a sensation  of  incomplete  emptying of the  bladder.  The
incomplete  emptying of the bladder caused by BPH can also lead to urinary tract
infections  and bladder  damage.  In severe cases,  the flow of urine can become
completely blocked and lead to kidney failure.

         There  are  currently  three  types of  treatments  available  for BPH:
surgery  and  two  different  pharmaceutical  treatments.   Although  frequently
recommended as a treatment for BPH,  surgery may be an unattractive  alternative
for many patients because of its potential  adverse  consequences and may not be
recommended for elderly patients due to the potential for complications.

         Two different  non-surgical  alternatives  for the treatment of BPH are
currently  available to patients who either are not  candidates for or elect not
to have surgery. The first alternative is a type of drug that acts by inhibiting
the  enzyme  5[alpha]-reductase,  which is  responsible  for the  conversion  of
testosterone  to  dihydrotestosterone  in the  prostate.  By reducing  levels of
dihydrotestosterone, which plays a role in growth of prostatic tissue, this type
of drug is  intended  to shrink  the  gland.  An example of this type of drug is
Proscar(R).  Although there is a rapid  regression of the enlarged gland in most
patients,  less than 50% of  patients  experience  an increase in urine flow and
improvement of symptoms when treated with Proscar(R) for 12 months. A minimum of
six months'  treatment may be necessary to determine  whether an individual  may
respond to the drug.

         The second type of drug for the  treatment  of BPH  involves the use of
alpha-1 adrenergic  antagonists,  such as Hytrin(R),  that act by blocking alpha
adrenergic  stimulation  of  the  prostate.  This  blocking  activity  causes  a
relaxation of the musculature of the prostate,  thereby  improving  urinary flow
and  providing  other  symptomatic  relief of BPH.  These  drugs were  initially
developed as  antihypertensive  agents in the mid-1970's  prior to the discovery
that there existed three distinct subtypes of the alpha-1 receptor,  and are not
selective  for  any  particular   alpha-1  subtype.   While  rapid   symptomatic
improvement in approximately  70% of patients treated with this type of drug has
been observed,  dose-dependent side effects, including hypotension (which causes
dizziness),  headache,  weakness,  nasal  congestion and peripheral  edema,  are
commonly  associated with the treatment.  The side effects limit the recommended
dose for  these  drugs.  The  most  significant  side  effect,  hypotension,  is
particularly detrimental to elderly patients.

         Through the use of its alpha  adrenergic drug discovery  systems and by
means of in vivo  studies,  Synaptic  has  discovered  that  different  receptor
subtypes  are  involved in the  control of the  prostate  musculature  and blood
pressure:  the alpha-1a  receptor  subtype is  responsible  for  contraction  of
prostate  musculature and other alpha-1  subtypes are involved in the regulation
of blood pressure.  This discovery confirmed the Company's  hypothesis that many
of the side effects caused by alpha-1 adrenergic antagonists currently available
for the treatment of BPH stemmed from their lack of selectivity for the receptor
subtype  involved in  relaxation  of prostate  musculature.  In April 1995,  the
Company  was  awarded  a United  States  patent  covering  the use of  selective
alpha-1a  antagonists for the treatment of BPH. In addition,  in September 1996,
Synaptic

                                                        13

<PAGE>



was awarded a United States patent  covering the use of  genetically  engineered
cells  expressing the human  alpha-1a  adrenergic  receptor  subtype to identify
compounds that bind to the receptor subtype.

         The Company,  in collaboration  with Merck, is using the Company's drug
discovery  systems to design  compounds  that block the activity of the alpha-1a
receptor  subtype,  thereby  producing the desired effects on the prostate,  but
that have minimal affinity for alpha-1b and alpha-1d receptor subtypes,  thereby
substantially  reducing the cardiovascular effects seen with currently available
non-selective  alpha-1 adrenergic  antagonists.  A compound has been selected by
Merck for possible development and is undergoing late preclinical testing. Other
leads  have  also been  identified  and are in the  early  preclinical  stage of
testing.

         As part of the  collaboration,  Synaptic  granted  Merck  an  exclusive
worldwide  license to its  alpha-1  adrenergic  technology,  alpha-1a  selective
compounds  and  certain  patents to develop an alpha-1a  selective  drug for the
treatment of BPH. In addition,  Synaptic granted Merck a nonexclusive  worldwide
license under certain other patents for the same purpose.


         Pain

         Analgesic agents are used to relieve pain (analgesia).  Analgesics most
commonly used for severe pain are narcotics.  Although very effective,  narcotic
analgesic agents carry the risk of depressing respiration and causing nausea and
diarrhea,  and their  repeated use may lead to  addiction.  It is believed  that
non-narcotic   analgesics  would  be  beneficial  to  many  patient  populations
suffering from severe pain.

         Alpha-2  agonists  have been broadly  used and are highly  effective as
veterinary  analgesics.  Animal  data  indicate  that these  agents do not cause
respiratory  depression.   In  addition,  their  action  can  be  reversed  with
appropriate  drugs.  However,  they cause both  sedation  and  hypotension  when
administered  within the analgesic dose range.  Alpha-2 agents have not yet been
developed  as  analgesics  for  human  use,  in part due to  concerns  regarding
potential deleterious side effects,  such as sedation and hypotension.  Synaptic
believes that its drug discovery systems for the three human alpha-2  adrenergic
receptor  subtypes  can be  used  to  discover  alpha-2  analgesics  which  have
significantly fewer deleterious side effects than currently available analgesics
and the effects of which may be rapidly  reversed.  The  Company has  identified
alpha-2  agonists with  analgesic  activity in  laboratory  animal models and is
seeking a partner with which to collaborate on this drug discovery  program or a
licensee to pursue the program.  There can be no assurance that the Company will
be successful in  consummating a  collaborative  or licensing  arrangement  with
another company with respect to this drug discovery program.


Neuropeptide Y Programs

         Neuropeptides are neurotransmitters.  Unlike neurotransmitters that are
small molecules,  such as norepinephrine  and serotonin,  neuropeptides are much
larger molecules. The mode of action of neuropeptides,  however,  resembles that
of  small  molecule  neurotransmitters  in that  they  function  by  means of an
interaction with specific families of receptors, including families within the G
protein-coupled   receptor   superfamily.    Although   current   knowledge   of
neuropeptides and their receptors is significantly less extensive than knowledge
of small  molecule  neurotransmitters  and their  receptors,  subtypes have been
shown to exist for several families of neuropeptide receptors.


                                                        14

<PAGE>



         One focus of the Company in its receptor and drug discovery  efforts in
this area has been on the  neuropeptide Y ("NPY") family of receptors.  Although
the natural ligand for this family,  neuropeptide  Y, is a large  molecule,  the
goal of this drug  discovery  program is, as is the case in all of the Company's
other  drug  discovery  programs,   to  design  a  small  molecule  drug.  Large
peptide-like molecules would not be stable in the body and thus would have short
durations of action and would not be orally available,  thus requiring  delivery
by injection.  To date, there is  pharmacological  evidence for the existence in
animals of at least  five NPY  receptor  subtypes,  named Y1, Y2, Y3, Y4 and Y5.
However,  the discovery and cloning of the genes for only four of these subtypes
have been  reported.  In 1996 and 1997,  the Company was awarded  United  States
patents covering the genes that code for the Y2, Y4 and Y5 receptor subtypes and
related  drug  discovery   systems.   Synaptic  has  filed   additional   patent
applications  relating to these  discoveries  in the United  States and in other
countries.  At the present time,  the Company is conducting one NPY receptor and
drug  discovery  program  in  collaboration  with  Novartis  and  is  seeking  a
collaborative  partner  to work  with  the  Company  on its  other  two NPY drug
discovery  programs  involving pain and anxiety.  There can be no assurance that
the Company will be successful in consummating a collaborative  arrangement with
respect to either of these NPY drug discovery programs.


         Obesity

         Drug treatment for obesity has traditionally  been used as a short-term
adjunct to diet and exercise.  Most drugs  approved for the treatment of obesity
act centrally through the  catecholaminergic  or serotonergic  pathways and were
approved for the treatment of obesity  based on the results of short-term  (four
to six week)  clinical  efficacy  trials.  Many of these  drugs are  plagued  by
problems of addiction,  habituation  and drug abuse,  while safety concerns have
been an issue with the other agents.

         Animal  studies  have shown that NPY is the most potent  stimulator  of
food intake  identified  to date.  As little as one  billionth  of a gram of NPY
injected  directly  into the  hypothalamus  causes  well-fed,  satiated  rats to
overeat. Repeated administration of NPY causes continual overeating and obesity.

         A Y5 receptor was initially  isolated by the Company's  scientists from
rat hypothalamus,  a key brain area that controls appetite. In laboratory tests,
the activity of NPY and related peptides on the Y5 receptor mirrored the ability
of these peptides to stimulate feeding in animals.  As part of its collaboration
with the Company,  Ciba-Geigy  then showed that several  peptides that activated
the Y5 receptor  preferentially  over other known NPY receptors  increased  food
intake in rats.  Additional studies by Synaptic and Ciba-Geigy showed that small
molecules  that  selectively  block the Y5  receptor  significantly  reduce food
intake in rats. Based upon these studies, Synaptic believes that the Y5 receptor
is a "feeding" receptor, and that compounds that are selective for this receptor
subtype may lead to new approaches to the treatment of obesity.  The Company and
Novartis  (Ciba-Geigy's  successor-in-interest)  are thus focused on discovering
and  developing  potent and selective Y5  antagonists  for  evaluation in animal
models  of food  intake  and  obesity.  As part of its  collaboration  with  the
Company,  Novartis has an exclusive  license to use the  Company's  NPY receptor
subtype drug discovery systems for the development and commercialization of such
drugs, as well as drugs for the treatment of eating disorders and cardiovascular
disease.


         Pain

         As part of its efforts to discover non-narcotic drugs for the treatment
of pain,  the  Company  is  conducting  a  program  focused  on the  design  and
development of analgesics that stimulate the Y2 receptor

                                                        15

<PAGE>



subtype.  Direct  injection of NPY into the spinal cord produces a high level of
analgesia in laboratory animals.  This effect is believed to be related to NPY's
ability to  stimulate  Y2  receptors.  These  receptors  control  the release of
chemical messengers, such as Substance P, which mediate the transmission of pain
responses.  Synaptic  believes that orally active small molecule  agonists which
would mimic the effects of NPY at the Y2  receptor  may offer a new  approach to
the  treatment  of pain that  would not  result  in the side  effects  typically
associated with narcotic analgesics.

         The Company is seeking a partner with which to collaborate on this drug
discovery program. There can be no assurance that the Company will be successful
in consummating a collaborative arrangement with another company with respect to
this program.


         Anxiety

         Anxiety is a sense of  irrational  fear or dread and is one of the most
frequent  psychiatric  diagnoses  in the  United  States.  There is a variety of
pharmacologic  treatments for anxiety, the most commonly used of which belong to
the class of compounds called benzodiazepines, an example of which is Valium(R).
This class of compounds,  however,  is associated with significant side effects,
including   drowsiness,   impairment  of  motor  skills,  memory  loss  and  the
exacerbation of intoxication by alcohol.  Another serious side effect associated
with the benzodiazepines is their potential to be addictive.

         Behavioral  studies have suggested that NPY can produce anxiety in rats
by  activating  the Y2  receptor  subtype,  raising  the  prospect  that a small
molecule Y2 receptor antagonist may provide a novel treatment for anxiety devoid
of the side effects commonly  associated with currently  available  anxiolytics.
Thus,  the goal of this  drug  discovery  program  is to design  compounds  that
selectively block the Y2 receptor subtype.

         The Company is seeking a partner with which to collaborate on this drug
discovery program. There can be no assurance that the Company will be successful
in consummating a collaborative arrangement with another company with respect to
this program.

Galanin Program

         Galanin  is a  neurotransmitter  which,  like NPY,  is a  neuropeptide.
Galanin  is widely  distributed  in the  gastrointestinal  tract and the  brain.
Pharmacologic  studies suggest the existence of multiple  receptor  subtypes for
this neuropeptide.  There are a number of possible therapeutic  applications for
drugs  that  modulate  galanin   receptors.   These  include  the  treatment  of
Alzheimer's disease, depression, pain and endocrine disorders.  However, most of
the research done to date with galanin has focused on its role in the control of
food  intake.  Injection  of galanin into the brain has been shown to produce an
increase  in food  intake  in  satiated  rats.  As a  result,  galanin  receptor
antagonists might result in a reduction of food intake and may thus be useful in
the treatment of obesity.

         To date,  the Company  has  discovered  and cloned  genes that code for
galanin receptor  subtypes and has filed patent  applications  relating to these
discoveries.  At the present time,  the Company is  conducting a drug  discovery
program  involving its receptor  discoveries and is seeking a partner with which
to collaborate on this program.  There can be no assurance that the Company will
be successful in consummating a collaborative  arrangement  with another company
with respect to this program.



                                                        16

<PAGE>



Collaborative and Licensing Arrangements

         The  Company's  business  strategy  is to  leverage  its  resources  by
entering into  collaborative  and  licensing  arrangements  with  pharmaceutical
companies. To date, the Company has entered into four collaborative arrangements
pursuant to: the Research,  Option and License Agreement dated as of January 25,
1991, as amended, with Lilly (the "Lilly Agreement"); the Research Collaboration
and License Agreement dated as of November 30, 1993, as amended, with Merck (the
"Merck  Agreement");  the Research and License  Agreement  dated as of August 4,
1994, as amended (the "First Novartis Agreement"),  and the Research and License
Agreement  dated  as of May 31,  1996  (the  "Second  Novartis  Agreement,"  and
together with the First Novartis  Agreement,  the "Novartis  Agreements"),  each
with Novartis;  and the Collaborative Research Agreement dated as of February 5,
1996,  with DuPont Merck (the "DuPont  Merck  Agreement,"  and together with the
Lilly  Agreement,   the  Merck  Agreement  and  the  Novartis  Agreements,   the
"Collaborative  Agreements").  While the Company  evaluates on an ongoing  basis
potential   collaborative  and  licensing   arrangements   with   pharmaceutical
companies,  there  can be no  assurance  that it will  be  able  to  enter  into
acceptable  collaborative  or licensing  arrangements  in the future or that any
such arrangement,  whether existing or future, will be successful. The following
summarizes the Company's existing collaborative and licensing arrangements.

         Lilly Agreement

         In January 1991, the Company and Lilly entered into the Lilly Agreement
to promote the discovery and development of serotonin receptor subtype-selective
drugs for the treatment of serotonin-related disorders. The original term of the
collaboration was four years, but was extended in January 1995 for an additional
four-year   period.   In  October  1996,  the  size  of  the  collaboration  was
substantially increased.

         During the original term,  Lilly provided the Company with an aggregate
of  approximately  $9.3 million of funding to support a specified  number of the
Company's scientists who conducted research as part of the collaboration. During
the second  four-year  period,  Lilly was  originally  required  to provide  the
Company  with an  aggregate  of  approximately  $7.8  million to  continue  such
research  support.  However,  as a result of the  October  1996  expansion,  the
aggregate  amount of research  support to be provided by Lilly during the second
four-year period is expected to be approximately $13.2 million. All development,
manufacturing,  marketing and sales of drugs  resulting  from the  collaboration
will be conducted by Lilly.

         The Company is also  entitled to receive from Lilly  payments  upon the
achievement of certain drug development milestones and royalties on sales of all
drugs developed through the use of the Company's technology. Such royalties will
be payable in respect of sales in any country  over the period  commencing  with
the date of the first  commercial  sale of a drug and ending with the expiration
of related patent rights in that country.

         Lilly paid the Company a one-time  fee of $2.5 million for an exclusive
worldwide  license to use all but two of the Company's  existing  serotonin drug
discovery systems for the development and commercialization of drugs that affect
serotonergic transmission. The Company retains the unlimited right to use two of
its existing  serotonin drug discovery systems and a limited right to use all of
its other serotonin drug discovery  systems in furtherance of its  collaboration
with   Lilly  and  for   cross-reactivity   screening   in  its  and  its  other
collaborators'   non-serotonin   drug  discovery   programs.   As  part  of  the
collaboration,  Lilly was also  granted  certain  rights  under  several  of the
Company's patents and patent applications.


                                                        17

<PAGE>



         In addition,  in June 1991,  Lilly  purchased $2.5 million of equity in
Synaptic  pursuant to the terms of the Lilly  Agreement,  and in December  1995,
Lilly  purchased an additional $2.5 million of equity in Synaptic in its initial
public  offering  pursuant to the terms of the 1995  extension.  Lilly has since
sold all of such shares.


         Merck Agreement

         In  November  1993,  the  Company  and  Merck  entered  into the  Merck
Agreement pursuant to which they agreed to collaborate in the identification and
development of alpha-1a  antagonists,  principally for the treatment of BPH. The
initial term of the  collaboration was three years. In October 1996, the term of
the collaboration was extended for an additional one-year period.

         As part of the  collaboration,  Merck  received an exclusive  worldwide
license to use the Company's  alpha  adrenergic  drug discovery  systems for the
development  and  commercialization  of  alpha-1a  antagonists,  as  well  as an
exclusive  worldwide  license under several of the Company's related patents and
patent applications.  The Company retained the right to use its alpha adrenergic
technology for the development of alpha adrenergic and other agents that are not
alpha-1a antagonists.

         In consideration  for this license,  Merck originally agreed to provide
the  Company  with up to $20  million  in  research  funding,  license  fees and
milestone payments, as well as to pay the Company royalties on product sales. As
part of the October 1996  extension,  the Company  agreed to continue to provide
Merck research support and, in consideration  for such support,  Merck agreed to
provide the Company with continued funding. The amount of research funding to be
paid by Merck during such period is expected to be, at a minimum,  approximately
$1.1 million.

         Merck has the right to terminate  the Merck  Agreement at any time upon
90 days' prior written notice. In the event of any such termination,  Merck will
not be required to provide the Company  with any  research  funding that has not
come due prior to such termination or make certain other payments to the Company
that have not come due prior to such termination.


         Novartis Agreements

         In August  1994,  the Company and  Ciba-Geigy,  one of Novartis  A.G.'s
predecessors-in-interest,  entered into the First Novartis Agreement pursuant to
which they  agreed to  collaborate  in the  identification  and  development  of
neuropeptide Y drugs for the treatment of obesity and eating disorders,  as well
as  cardiovascular  disorders.  In May 1996, the Company and Ciba-Geigy  entered
into the  Second  Novartis  Agreement  and an  amendment  to the First  Novartis
Agreement  pursuant to which the term of the  collaboration  was extended by one
year and the scope of the  collaboration was expanded to provide for research on
additional  targets  for the design of drugs for the  treatment  of obesity  and
eating disorders.

         The term of the collaboration under the two Novartis Agreements expires
in August 1998, and may be extended by mutual  agreement of the parties.  During
the term,  Novartis is required to provide the Company with funding to support a
specified  number  of  the  Company's   scientists  dedicated  to  work  on  the
collaboration. In July 1995, Ciba-Geigy made a $1,000,000 payment to the Company
for achieving a research milestone. Novartis is also required to make additional
payments  to the  Company  upon the  achievement  by  Novartis  of certain  drug
development  milestones and, subject to certain limitations,  to pay the Company
royalties  on the  sale of  drugs  developed  through  the use of the  Company's
technology.

                                                        18

<PAGE>



         In addition, at the commencement of the collaboration,  Ciba-Geigy made
a $7.5 million equity investment in the Company and in December 1995, as part of
the Company's initial public offering, it made an additional $2.0 million equity
investment in the Company. As of December 31, 1996, the 695,715 shares of Common
Stock  acquired  by  Ciba-Geigy  as a result of these  investments  were held by
Novartis  Produkte  A.G., a subsidiary of Novartis A.G. Such shares  represented
9.1% of the outstanding shares of Common Stock of the Company as of such date.

         As part  of the  collaboration,  Novartis  has an  exclusive  worldwide
license to use the Company's NPY receptor subtype drug discovery systems for the
development and  commercialization of NPY receptor  subtype-selective  drugs for
the  treatment  of  obesity  and  eating  disorders,  as well as  cardiovascular
disorders.  Novartis  also  has  an  exclusive  worldwide  license  to  use  any
proprietary  technology of the Company that relates to the subject matter of the
Second  Novartis  Agreement  to design  drugs for the  treatment  of obesity and
eating disorders. In addition,  Novartis has certain rights under several of the
Company's patents and patent applications. The Company retained the right to use
its NPY receptor  subtype drug  discovery  systems and other  technology for all
other  therapeutic   indications,   although  Novartis  has  a  right  of  first
negotiation in the event the Company determines to seek a collaborative  partner
or licensee for any such other indication.


         DuPont Merck Agreement

         In February  1996, the Company and DuPont Merck entered into the DuPont
Merck   Agreement   pursuant  to  which  the  Company  granted  DuPont  Merck  a
nonexclusive  license to use  certain of the  Company's  alpha  adrenergic  drug
discovery  systems for the  development  of alpha  adrenergic  subtype-selective
drugs.  Under the terms of the DuPont Merck Agreement,  DuPont Merck will screen
its chemical  libraries for lead compounds that may subsequently be optimized by
DuPont Merck or Synaptic for chosen therapeutic indications. The initial term of
the license is two years.

         In the event DuPont Merck  develops any drugs based upon the use of the
Company's  alpha  adrenergic drug design  technology,  DuPont Merck will pay the
Company drug development  milestones and royalties on sales with respect to such
drugs.  In the event the Company  optimizes  and develops,  independently  or in
collaboration with other pharmaceutical  companies,  compounds identified in the
collaboration,  it  will  pay  DuPont  Merck  drug  development  milestones  and
royalties on sales with respect to such drugs.


Patents, Proprietary Technology and Trade Secrets

     Protection  of the  Company's  proprietary  technology  is essential to the
Company's  business.   The  Company's  policy  is  to  seek,  when  appropriate,
protection for its gene discoveries,  compounds and other proprietary technology
by filing  patent  applications  in the United States and other  countries.  The
Company has filed numerous patent  applications  covering its inventions both in
the United States and in other  countries.  To date, the Company has been issued
United States  patents  relating to the genes that code for the human  serotonin
1D[alpha],  serotonin 1D(beta), serotonin 1E, serotonin 1F, alpha-1a adrenergic,
alpha-2b  adrenergic,  neuropeptide  Y2,  neuropeptide  Y4 and  neuropeptide  Y5
receptor subtypes and related drug discovery systems, as well as a United States
patent covering the rat serotonin 4a receptor subtype and related drug discovery
system.  These  patents  expire at various times from 2008 to 2014. In addition,
claims under United States patent  applications  relating to the gene that codes
for another  receptor and related drug  discovery  systems have been allowed and
additional  patent  applications  relating to other gene discoveries and related
drug discovery systems
                                                        19

<PAGE>



are pending in the United States. Several corresponding patent applications have
also been filed in other  countries.

     In April 1995, the Company was issued its first  functional use patent.This
patent covers the use of alpha-1a selective  compounds for the treatment of BPH.
This patent expires in April 2012. Corresponding patent applications are on file
in other countries.

         The Company has also filed patent applications in the United States and
in  other  countries  covering  its  neurotransmitter  transporter  discoveries.
Whereas  receptors  are protein  molecules  which bind to and are  activated  by
certain ligands, transporters are protein molecules which serve to terminate the
action of certain  ligands by carrying  them back into the cells from which they
are  released.  The Company  recently  received  correspondence  from the United
States Patent and Trademark  Office to the effect that claims under three United
States  patent  applications  covering  four  different  transporters  have been
allowed.  While the  Company is no longer  actively  working on its  transporter
program, it is seeking to license its transporter technology to another company.

         Additional  patent   applications   covering  the  Company's   compound
discoveries  and other  inventions  have been filed in the United  States and in
other countries and the Company intends to file additional  patent  applications
in the near future.

         The Company has granted certain rights under several of its patents and
patent applications to Lilly,  Merck,  Novartis and DuPont Merck pursuant to the
Collaborative Agreements.

         Patent law as it relates to  inventions in the  biotechnology  field is
still evolving, and involves complex legal and factual questions for which legal
principles are not firmly established. No firm predictions can be made regarding
the breadth or  enforceability  of claims  allowed in the patents that have been
issued to the  Company  or in patents  that may be issued to the  Company in the
future.  Accordingly, no assurance can be given that the claims in such patents,
either as initially  allowed by the United States Patent and Trademark Office or
any of its non-United States counterparts or as may be subsequently  interpreted
by courts inside or outside the United  States,  will be  sufficiently  broad to
protect the Company's  proprietary rights, will be commercially valuable or will
provide  competitive  advantages  to the  Company  and  its  present  or  future
collaborative  partners or licensees.  Further,  there can be no assurance  that
patents  will be granted  with respect to any of the  Company's  pending  patent
applications or with respect to any patent  applications filed by the Company in
the future.

         The field of gene discovery has become intensely competitive.  A number
of pharmaceutical companies,  biotechnology companies, universities and research
institutions have significantly  expanded their gene discovery efforts in recent
years and have filed patent applications or received patents covering their gene
discoveries.  Some of these  applications or patents may be competitive with the
Company's  applications  or conflict in certain  respects with claims made under
the Company's applications.  Moreover, because patent applications in the United
States  are   maintained  in  secrecy  until  patents   issue,   because  patent
applications in certain other  countries  generally are not published until more
than  eighteen   months  after  they  are  filed  and  because   publication  of
technological  developments  in the scientific or patent  literature  often lags
behind the date of such developments,  the Company cannot be certain that it was
the  first to  invent  the  subject  matter  covered  by its  patents  or patent
applications  or that it was the  first  to file  patent  applications  for such
inventions.  If an issue  regarding  priority of  inventions  were to arise with
respect to any of the  Company's  patents or patent  applications,  the  Company
might have to participate in litigation or interference  proceedings declared by
the United  States  Patent and  Trademark  Office or similar  agencies  in other
countries to determine

                                                        20

<PAGE>



priority of invention.  One of the Company's patent applications on file outside
the  United  States  is  the  subject  of  an  opposition  recently  filed  by a
pharmaceutical  company.  In  addition,  the  Company  is  seeking to provoke an
interference by the United States Patent and Trademark Office between one of its
patent  applications  and an  issued  patent  of a third  party.  The  potential
consequences  of this  opposition  proceeding and the  anticipated  interference
proceeding  are  described  in Part  II  below  under  the  caption  "Disclosure
Regarding Forward Looking Statements."

         In some cases,  litigation  or other  proceedings  may be  necessary to
defend against or assert claims of  infringement,  to enforce  patents issued to
the Company, to protect trade secrets,  know-how or other intellectual  property
rights  owned by the  Company,  or to  determine  the scope and  validity of the
proprietary rights of third parties.  Such litigation or other proceedings could
result in  substantial  costs to and  diversion  of resources by the Company and
could have a material  adverse impact on the Company.  There can be no assurance
that any of the Company's  issued or licensed  patents would  ultimately be held
valid or that efforts to defend any of its patents,  trade secrets,  know-how or
other  intellectual  property rights would be successful.  An adverse outcome in
any such  litigation  or  proceeding  could  subject the Company to  significant
liabilities,  require  the  Company to cease  using the  subject  technology  or
require the Company to license the subject  technology from the third party, all
of which could have an adverse effect on the Company's business.

         In  addition  to patent  protection,  the  Company  relies  upon  trade
secrets,  proprietary know-how and continuing  technological advances to develop
and maintain its competitive  position.  To maintain the  confidentiality of its
trade secrets and proprietary  information,  the Company requires its employees,
consultants and  collaborative  partners to execute  confidentiality  agreements
upon the commencement of their  relationships  with the Company.  In the case of
employees,  the agreements also provide that all inventions  resulting from work
performed  by them  while in the  employ of the  Company  will be the  exclusive
property  of  the  Company.  There  can be no  assurance,  however,  that  these
agreements will not be breached,  that the Company would have adequate  remedies
in the  event  of any  such  breach  or that  the  Company's  trade  secrets  or
proprietary   information   will  not   otherwise   become  known  or  developed
independently by others.

         In addition to the foregoing  proprietary  rights, the Company licenses
certain   technology  owned  by  Stanford   University  and  the  University  of
California, jointly, and Columbia University. The Stanford University/University
of  California  license is a worldwide  perpetual  non-exclusive  license to use
certain  recombinant  DNA  technology  that includes  three issued United States
patents.  In consideration  for such license,  the Company pays an annual fee of
$10,000 and will pay royalties (net of previously  paid annual fees) on sales of
drugs the manufacture, use or sale of which is covered by claims of the licensed
patents.  The Columbia University license is a worldwide  non-exclusive  license
under  certain  patents  and  patent  applications  and  under  certain  related
information to manufacture,  use, sell and sublicense drugs derived from the use
of certain  recombinant DNA technology.  In consideration for such license,  the
Company has agreed to pay royalties on sales of drugs developed  through the use
of such technology.  The term of the license extends until the expiration of the
last to expire of the patent rights covered by the license.


Competition

         The   biotechnology   and   pharmaceutical   industries  are  intensely
competitive.  Many companies,  including large, multinational  biotechnology and
pharmaceutical companies, are actively engaged in activities similar to those of
the  Company.  Many of these  companies  may employ in such  activities  greater
financial and other resources,  including larger research and development staffs
and more extensive marketing and manufacturing  organizations,  than the Company
or its collaborative partners. There are also academic

                                                        21

<PAGE>



institutions,  governmental  agencies and other research  organizations that are
conducting research in areas in which the Company is working.

         The Company  also  expects to encounter  significant  competition  with
respect to the drugs that it and its  collaborative  partners  plan to  develop.
Companies that complete  clinical  trials,  obtain  required  regulatory  agency
approvals and commence  commercial sales of their drugs before their competitors
may  achieve  a  significant   competitive   advantage.   In  order  to  compete
successfully,  the Company's  goal is to obtain patent  protection  for its gene
discoveries  and drug discovery  systems and to make these systems  available to
pharmaceutical  companies through  collaborative and licensing  arrangements for
use in  discovering  drugs  for  major  markets  which  have  historically  been
difficult to address using the traditional approach to drug discovery. There can
be no  assurance,  however,  that the Company will obtain  patents  covering its
technology  that  protect  it  against  competitors.  Moreover,  there can be no
assurance  that  the  Company's  competitors  will  not  succeed  in  developing
technologies  that circumvent the Company's  technology or that such competitors
will not succeed in developing  technologies  and drugs that are more  effective
than those developed by the Company and its collaborative partners or that would
render technology or drugs of the Company and its collaborators less competitive
or obsolete.


Government Regulation

         The development, manufacturing and marketing of drugs developed through
the use of the  Company's  technology  are  subject to  regulation  by  numerous
governmental  agencies in the United States and in other  countries.  The United
States Food and Drug  Administration  (the "FDA") and similar  agencies in other
countries in which drugs developed  through the use of the Company's  technology
may be  tested  and  marketed  (each of such  Federal,  state,  local  and other
authorities and agencies, a "Regulatory Agency") impose mandatory procedures and
standards for the conduct of certain preclinical testing and clinical trials and
the  production  and  marketing  of drugs for  human  therapeutic  use.  Product
development  and approval of a new drug are likely to take a number of years and
involve the expenditure of substantial resources.

         The steps  required  by the FDA before new drugs may be marketed in the
United States include: (i) preclinical  studies;  (ii) the submission to the FDA
of a request for authorization to conduct clinical trials on an  investigational
new drug (an "IND");  (iii)  adequate  and  well-controlled  clinical  trials to
establish  the  safety  and  efficacy  of the drug for its  intended  use;  (iv)
submission to the FDA of a new drug  application (an "NDA");  and (v) review and
approval  of the  NDA by the  FDA  before  the  drug  may  be  shipped  or  sold
commercially.

         In the United States, preclinical testing includes both in vitro and in
vivo laboratory  evaluation and characterization of the safety and efficacy of a
drug and its formulation.  Preclinical  testing results are submitted to the FDA
as part of the IND and are  reviewed  by the FDA  prior to the  commencement  of
human  clinical  trials.  Unless the FDA objects to an IND,  the IND will become
effective 30 days  following  its receipt by the FDA.  There can be no assurance
that  submission  of an IND will result in the  commencement  of human  clinical
trials.

         Clinical   trials,    which   involve   the   administration   of   the
investigational  drug to healthy volunteers or to patients under the supervision
of  a  qualified  principal  investigator,  are  typically  conducted  in  three
sequential  phases,  although the phases may overlap with one another.  Clinical
trials must be  conducted  in  accordance  with Good  Clinical  Practices  under
protocols that detail the objectives of the study,  the parameters to be used to
monitor safety and the efficacy criteria to be evaluated.  Each protocol must be
submitted to the

                                                        22

<PAGE>



FDA as part of the IND. Further, each clinical study must be conducted under the
auspices  of an  independent  Institutional  Review  Board  (the  "IRB")  at the
institution  where the study will be  conducted.  The IRB will  consider,  among
other things,  ethical  factors,  the safety of human  subjects and the possible
liability of the institution.

         Phase I clinical  trials  represent the initial  administration  of the
investigational drug to a small group of healthy human subjects or, more rarely,
to a group of selected patients with the targeted disease or disorder.  The goal
of Phase I clinical  trials is typically to test for safety  (adverse  effects),
dose tolerance, absorption, bio-distribution, metabolism, excretion and clinical
pharmacology and, if possible, to gain early evidence regarding efficacy.

         Phase II clinical  trials involve a small sample of the actual intended
patient  population  and seek to assess the  efficacy  of the drug for  specific
targeted indications, to determine dose tolerance and the optimal dose range and
to gather  additional  information  relating  to safety  and  potential  adverse
effects.

         Once an  investigational  drug is found to have  some  efficacy  and an
acceptable safety profile in the targeted patient population, Phase III clinical
trials are initiated to establish  further  clinical  safety and efficacy of the
investigational  drug in a broader sample of the general  patient  population at
geographically   dispersed  study  sites  in  order  to  determine  the  overall
risk-benefit  ratio  of the  drug  and to  provide  an  adequate  basis  for all
physician  labeling.  The  results  of the  research  and  product  development,
manufacturing,  preclinical testing, clinical trials and related information are
submitted  to the FDA in the form of an NDA for  approval of the  marketing  and
shipment of the drug.

         Timetables for the various  phases of clinical  trials and NDA approval
cannot be predicted with any certainty.  The Company, its collaborative partners
or the FDA may  suspend  clinical  trials  at any  time if it is  believed  that
individuals  participating  in such  trials are being  exposed  to  unacceptable
health risks.  Even assuming that clinical  trials are completed and that an NDA
is submitted to the FDA, there can be no assurance that the NDA will be reviewed
by the FDA in a timely manner or that once  reviewed,  the NDA will be approved.
The approval process is affected by a number of factors,  including the severity
of the targeted indications,  the availability of alternative treatments and the
risks and benefits  demonstrated in clinical trials.  The FDA may deny an NDA if
applicable  regulatory  criteria are not  satisfied,  or may require  additional
testing or information with respect to the investigational drug. Even if initial
FDA approval is obtained, further studies, including post-market studies, may be
required in order to provide  additional  data on safety and will be required in
order to gain  approval  for the use of a product as a  treatment  for  clinical
indications other than those for which the product was initially tested. The FDA
will also require post-market reporting and may require surveillance programs to
monitor the side  effects of the drug.  Results of  post-marketing  programs may
limit or expand the further  marketing  of the drug.  Further,  if there are any
modifications  to the  drug,  including  changes  in  indication,  manufacturing
process or labeling,  an NDA  supplement  may be required to be submitted to the
FDA.

         There can be no assurance that the regulatory framework described above
will not change or that  additional  regulations  will not arise that may affect
approval of or delay an IND or an NDA.  Moreover,  because the Company's present
collaborative  partners  are,  and it is  expected  that  the  Company's  future
collaborative  partners will be, responsible for preclinical  testing,  clinical
trials, regulatory approvals,  manufacturing and commercialization of drugs, the
ability  to obtain  and the timing of  regulatory  approvals  are not within the
control of the Company.


                                                        23

<PAGE>



         Prior to the  commencement  of marketing a product in other  countries,
approval by the Regulatory  Agencies in such  countries is required,  whether or
not FDA approval has been obtained for such product. The requirements  governing
the conduct of clinical trials and product approvals vary widely from country to
country,  and the time  required  for approval may be longer or shorter than the
time required for FDA approval.  Although there are some  procedures for unified
filings for certain  European  countries,  in general,  each country has its own
procedures and requirements.

         The Company is also subject to regulation  under other Federal laws and
regulation  under state and local laws,  including laws relating to occupational
safety,  laboratory practices,  the use, handling and disposition of radioactive
materials,  environmental  protection and hazardous substance control.  Although
the Company  believes that its safety  procedures  for handling and disposing of
radioactive  compounds and other  hazardous  materials  used in its research and
development  activities comply with the standards  prescribed by Federal,  state
and local regulations, the risk of accidental contamination or injury from these
materials  cannot be completely  eliminated.  In the event of any such accident,
the  Company  could be held  liable  for any  damages  that  result and any such
liability could exceed the resources of the Company.


Employees

         As of March 3, 1997,  the Company had 112  full-time  employees,  40 of
whom  hold  Ph.D.  or  M.D.  degrees.  Of  the  Company's  full-time  employees,
approximately 96 are engaged directly in scientific  research and 16 are engaged
in general and administrative  functions. The Company's scientific staff members
have  diversified  experience  and  expertise  in  molecular  and cell  biology,
biochemistry,  molecular pharmacology and medicinal,  structural,  combinatorial
and computer-assisted chemistry.

         All employees have entered into agreements with the Company pursuant to
which  they are  prohibited  from  disclosing  to third  parties  the  Company's
proprietary  information and assign to the Company all rights to inventions made
by them during their employment with the Company.

         The  Company's  employees  are not covered by a  collective  bargaining
agreement,  and the Company believes that its relationship with its employees is
good.


Item 2.  Properties

         The Company  leases  laboratory  and office  space in a facility at 215
College Road in Paramus,  New Jersey.  The total square footage currently leased
by the  Company is 41,274.  The lease will  expire on  December  31,  1999.  The
Company is currently converting a portion of its previously  underutilized space
into  research  laboratories.  The Company may  renovate  other  portions of its
currently  underutilized space in 1997 for additional  laboratories and offices.
The  Company  believes  that the  space  it  currently  leases  is  adequate  to
accommodate the anticipated administrative and research needs of the Company for
the foreseeable future.


Item 3.  Legal Proceedings

         Other than as  described  in Item 1 above under the  caption  "Patents,
Proprietary  Technology  and Trade  Secrets,"  the Company is not a party to any
legal proceedings.


                                                        24

<PAGE>



Item 4.  Submission of Matters to a Vote of Securityholders

         None.

                                                        25

<PAGE>



                                     Part II


Item 5.  Market For Registrant's Common Equity and Related Stockholder Matters

         The Common Stock of Synaptic  Pharmaceutical  Corporation has traded on
The Nasdaq Stock Market under the symbol SNAP since its initial public  offering
on December 13, 1995. As of March 3, 1997, there were  approximately 900 holders
of record of the  Company's  Common  Stock.  No dividends  have been paid on the
Common Stock to date,  and the Company does not  currently  intend to declare or
pay dividends for the foreseeable future.

         The  following  tables set forth the high and low last trade prices for
the Common  Stock as  reported  by The Nasdaq  Stock  Market for the period from
December 13, 1995, through December 31, 1996.


                                       1996 Fiscal Year
                                       ----------------
                                     High              Low
                                     ----              ---

       1st Quarter 1996             20                12 1/2

       2nd Quarter 1996             17 3/4            12 1/4

       3rd Quarter 1996             14                 9 1/2

       4th Quarter 1996             13                10 1/2


                                       1995 Fiscal Year
                                       ----------------
                                     High              Low
                                     ----              ---

      Period December 13, 1995,
       through December 31, 1995    13 1/2            12 1/2



         Since January 1, 1994,  the Company has sold the  following  securities
which were not  registered  under the  Securities  Act of 1933,  as amended (the
"Securities Act"):

         1. From January 1, 1994,  through December 31, 1995, the Company issued
and sold,  pursuant to restricted stock purchase  agreements under the Company's
1988 Amended and Restated  Incentive Plan (the "1988  Incentive  Plan"),  23,115
shares  of  Common  Stock to 25  officers,  employees,  consultants  and  former
employees and consultants of the Company.  The aggregate  purchase price of such
shares was $42,401 in cash.  Since  December 31,  1995,  there have not been any
additional   sales  of  Common  Stock  pursuant  to  restricted  stock  purchase
agreements  under the 1988  Incentive  Plan. All of these sales were effected in
reliance upon the exemption from the registration  requirements provided by Rule
701 under the  Securities  Act for offers and sales of  securities  pursuant  to
certain compensatory benefit plans and contracts relating to compensation.


                                                        26

<PAGE>



         2. From January 1, 1994,  through December 31, 1996, the Company issued
and sold  11,350  shares of Common  Stock  pursuant  to the  exercise of options
granted under the 1988 Incentive  Plan.  Such shares were sold to an officer and
two former employees of the Company. The aggregate purchase price of such shares
was  $20,001 in cash.  All of these sales were  effected  in  reliance  upon the
exemption  from the  registration  requirements  provided  by Rule 701 under the
Securities  Act  for  offers  and  sales  of  securities   pursuant  to  certain
compensatory benefit plans and contracts relating to compensation.

         3.  Pursuant to a placement  agency  agreement  relating to a preferred
stock  financing in January  1993,  the Company  issued and sold  warrants  (the
"Warrants") to Oppenheimer & Co., Inc. ("Oppenheimer") and Prudential Securities
Incorporated  ("Prudential")  for an  aggregate  purchase  price of $3,849.15 in
cash.  The Warrants  entitle the holders  thereof to purchase at any time before
January 19, 1998, an aggregate of 192,458  shares of Common Stock at a price per
share  of  $9.50,  or  $1,828,351  in the  aggregate.  In May  1996,  Prudential
exercised  all of its  Warrants and  purchased an aggregate of 48,114  shares of
Common Stock for an aggregate  purchase price of $457,088.  This transaction was
effected in  reliance  upon the  exemption  from the  registration  requirements
provided  by  Section  4(2)  of  the  Securities  Act  on the  basis  that  such
transaction did not involve any public  offering.  Warrants to purchase  144,344
shares of  Common  Stock  remain  outstanding  and  exercisable  by the  holders
thereof.

         4. In January 1995, the Company issued and sold 39,483 shares of Common
Stock  to 18 of its  investors  pursuant  to their  exercise  of  warrants.  The
aggregate purchase price for such shares was $224,451. These sales were effected
in reliance upon the exemption from the  registration  requirements  provided by
Section 4(2) of the  Securities Act on the basis that such sales did not involve
any public offering.

         5. The Company  issued and sold an  aggregate  of  1,071,429  shares of
Series 4 Convertible  Preferred  Stock,  $.01 par value, to Ciba-Geigy in August
1994. The aggregate  purchase price of such shares was approximately  $7,500,000
in cash.  This  sale was  effected  in  reliance  upon  the  exemption  from the
registration  requirements provided by Section 4(2) of the Securities Act on the
basis  that  such  sale  did  not  involve  any  public  offering.  Such  shares
automatically  converted into 535,715 shares of Common Stock upon  completion of
the Company's  initial public  offering in December 1995.  This  transaction was
effected in  reliance  upon the  exemption  from the  registration  requirements
provided by Section 3(a)(9) of the Securities Act.

         6. Upon completion of the Company's initial public offering in December
1995,  shares of convertible  redeemable  preferred stock issued and sold by the
Company  in  private  placements  during  the  period  from  1988  through  1993
automatically  converted  into  4,392,667  shares of Common  Stock.  Immediately
following such conversion, the shares of Common Stock were held by 92 investors.
This   transaction  was  effected  in  reliance  upon  the  exemption  from  the
registration requirements provided by Section 3(a)(9) of the Securities Act.

         Except as set forth  above,  the  Company has not made any sales of its
securities, other than sales that were registered under the Securities Act.

         There  were no  underwriters  employed  in  connection  with any of the
transactions set forth above.



                                                        27

<PAGE>



Item 6.           Selected Financial Data


         The  following  table  presents  selected  information  relating to the
financial  condition  and results of operations of the Company for the past five
years.  The  following  data should be read in  conjunction  with the  Company's
financial statements.


                     1996         1995         1994         1993         1992
                     ----         ----         ----         ----         ----

Total revenues   $9,480,688     $7,977,491 $ 5,043,124 $ 8,794,288 $  3,605,821

Total expenses   14,319,205   12,078,666   11,220,998   10,752,893    8,540,939

Other income,
 net              2,205,462      733,824      651,153      408,604      362,051

Net loss         (2,633,055)  (3,367,351)  (5,526,721)  (1,550,001)  (4,573,067)

Net loss per
 share                (0.35)       (4.76)          --           --           --

Supplementary
 net loss per
 share *                 --        (0.62)          --           --           --

Total assets     40,354,594   40,912,743   20,023,727   19,754,082    5,988,476

Long term debt           --      106,472      258,754      383,427      496,085
Convertible
 redeemable
 preferred stock         --           --   36,199,096   28,905,739   14,869,988

Accumulated
 deficit        (23,969,520) (21,336,465) (17,969,114) (12,442,393) (10,892,392)

Shareholders'
  equity
 (deficiency)    39,040,361   38,669,187  (17,591,851) (11,929,253) (10,571,012)



*Computed on the basis described in Note 1 of the Notes to Financial Statements.


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

Overview

         Synaptic Pharmaceutical  Corporation is a biotechnology company engaged
in the  development  of a broad platform of enabling  technology  which it calls
"human   receptor-targeted   drug  design  technology."  It  is  utilizing  this
technology  both to  discover  and clone the genes that code for human  receptor
subtypes  associated  with specific  disorders and to design  compounds that can
potentially be developed as drugs for treating these  disorders.  The Company is
engaged in  collaborations  with four  pharmaceutical  companies:  Eli Lilly and
Company,  Merck  and Co.,  Inc.,  Novartis  Pharma  A.G.  and The  Dupont  Merck
Pharmaceutical Company. Since inception, the Company has financed its operations
primarily  through  the  sale  of  stock  and  through  funds  provided  by  its
collaborative partners Lilly, Merck and Novartis under collaborative agreements.

         Under its collaborative agreements,  the Company may receive one or two
types of revenue from its collaborative  partners:  contract revenue and license
revenue.  Contract  revenue  includes  research  funding to support a  specified
number  of the  Company's  scientists  and  payments  upon  the  achievement  of
specified  research and  development  milestones.  Research  funding  revenue is
recognized  ratably over the period of the  agreement to which it relates and is
based  upon  predetermined  funding  requirements.  Research  milestone  payment
revenue is recognized when the related research  milestone is achieved.  License
revenue represents

                                                        28

<PAGE>



non-refundable  payments  for  licenses  to the  Company's  technology  and drug
discovery systems.  Non-refundable  payments for licenses are recognized at such
time as they are  received  or, if earlier,  become  guaranteed.  In addition to
contract revenue, if a drug is developed as a result of any of the collaborative
agreements  between the Company and its collaborative  partners,  the Company is
entitled to receive royalty payments based upon the sale of such drugs.

         The Company also  receives  revenues from  government  grants under the
Small Business  Innovative  Research ("SBIR") program of the National Institutes
of Health.

         To  date,  the  Company's  expenditures  have  been  for  research  and
development related expenses, general and administrative related expenses, fixed
asset purchases and various patent related  expenditures  incurred in protecting
the Company's technologies.  The Company has been historically  unprofitable and
had an  accumulated  deficit of  $23,969,520  at December 31, 1996.  The Company
expects to continue to incur operating losses for a significant  number of years
and may not become  profitable,  if at all,  until it begins to receive  royalty
revenue.  To date, the Company has not received any royalty revenue and does not
expect to receive such revenue for a significant number of years, if at all.


Results of Operations

         Comparison of Fiscal Years Ended December 31, 1996, 1995 and 1994

         Revenues. The Company recognized revenue of $9,480,688,  $7,977,491 and
$5,043,124  for the  fiscal  years of 1996,  1995 and  1994,  respectively.  The
increase  of  $1,503,197  from 1995 to 1996 was  attributable  primarily  to the
recognition  of  $2,000,000  of  license  revenue  from  one  of  the  Company's
collaborative  partners  in 1996 and an increase  of  approximately  $231,000 of
grant revenue over the comparable  period in 1995,  both of which were partially
offset by a  decrease  in  contract  revenue  of  approximately  $728,000.  This
decrease  in  contract  revenue  was  attributable  to the  receipt in 1995 of a
one-time $1,000,000 payment from one of the Company's collaborative partners for
the achievement of a specific scientific  milestone that was partially offset by
increases in 1996 in the rates charged to the Company's  collaborative  partners
per full time equivalent scientist.

         The increase of $2,934,367 from 1994 to 1995 was attributable primarily
to an increase  in  contract  revenue of  $2,907,367.  The  increase in contract
revenue was primarily due to the recognition of five months of research  funding
from  Novartis in 1994 as compared to twelve  months of such  funding in 1995 as
well  as  the  receipt  of a  $1,000,000  payment  from  one  of  the  Company's
collaborators  for the  achievement of a specific  scientific  milestone.  Grant
revenue increased from $280,000 in 1994 to $307,000 in 1995.

         Research and Development  Expenses.  The Company incurred  research and
development  expenses of  $11,336,756,  $9,863,769 and $9,308,917 for the fiscal
years of 1996,  1995 and 1994,  respectively.  The  increase  of  $1,472,987  in
research and development  expenses from 1995 to 1996 was attributable  primarily
to: an increase of approximately $656,000 in compensation expense resulting from
an increase in average headcount year-to-year, annual salary and bonus increases
and an associated  increase in fringe benefit expense, as well as an increase in
amortization of deferred compensation;  an increase in approximately $482,000 in
research  supply  costs;  an  increase  of  approximately  $112,000  in research
equipment costs related to research funded by government  grants;  approximately
$92,000 in  increased  depreciation  expense;  and an increase of  approximately
$53,000 in software license fees.


                                                        29

<PAGE>



         The increase of $554,852 in research and development expenses from 1994
to 1995 was  attributable  primarily to: an increase of  approximately  $340,000
resulting from an increase in average  headcount  year-to-year as well as annual
salary and bonus increases and an associated increase in fringe benefit expense;
an increase of  approximately  $290,000 in research supply cost; and an increase
of  approximately  $112,000  related to  depreciation of fixed assets as well as
amortization  of patents,  all of which were  partially  offset by a decrease of
approximately   $186,000  due  to  the   assumption  by  one  of  the  Company's
collaborative partners in 1995 of certain preclinical testing activities.

         General and Administrative  Expenses.  The Company incurred general and
administrative expenses of $2,982,449,  $2,214,897 and $1,912,081 for the fiscal
years of 1996, 1995 and 1994, respectively.  The increase of $767,552 in general
and administrative  expenses from 1995 to 1996 was attributable primarily to: an
increase of  approximately  $292,000 in expenses  associated with being a public
company; an increase of approximately $193,000 in compensation expense resulting
from an increase in average  headcount and annual salary and bonus increases and
an associated  increase in fringe benefit expense;  an increase of approximately
$171,000 in patent and patent  related costs;  and an increase of  approximately
$64,000 in certain supply and computer related expenses.

         The increase of $302,816 in general and  administrative  expenses  from
1994 to 1995  was  attributable  primarily  to:  an  increase  of  approximately
$161,000  in rent  expense  resulting  from the full year cost of an  additional
12,800 square feet of space which was leased in August 1994;  and an increase of
approximately  $139,000  in  compensation  expense  resulting  from  an  average
headcount  increase  as  well  as  annual  salary  and  bonus  increases  and an
associated increase in fringe benefit expense.

         Other Income,  Net. The Company received other income,  net of interest
expense, of $2,205,462, $733,824 and $651,153 for the fiscal years of 1996, 1995
and 1994,  respectively.  The increases of  $1,471,638  from 1995 to 1996 and of
$82,671  from  1994 to 1995 in  other  income,  net of  interest  expense,  were
primarily  attributable  to an  increase  in  interest  income as a result of an
increase in the average cash, cash equivalent and marketable  security  balances
maintained during the three years.

         Net  Loss.  The  net  loss  incurred  by the  Company  was  $2,633,055,
$3,367,351  and  $5,526,721  for the  fiscal  years  of  1996,  1995  and  1994,
respectively.  The  decrease  of  $734,296  in net  loss  from  1995 to 1996 was
attributable  primarily to: the increase in revenue and other income,  offset by
higher research and development and general and administrative expenses.

         The  decrease  of  $2,159,370  in  net  loss  from  1994  to  1995  was
attributable  primarily to: the increase in revenue and other income,  offset by
higher research and development and general and administrative expenses.

         Net Loss Per Share and  Supplementary  Net Loss Per Share. The net loss
per share  incurred by the  Company was $0.35 and $4.76 for the fiscal  years of
1996 and 1995,  respectively.  The supplementary net loss per share, as computed
as described in Note 1 of Notes to Financial Statements, was $0.62 for 1995. The
decrease of $0.27 per share ($0.35 vs. $0.62) was primarily attributable to: the
decrease in net loss from 1995 to 1996,  as well as an increase in the number of
shares used to calculate per share loss from 1995 to 1996.

         Operating  Trends.  It is expected that research  funding from existing
collaborations will increase from approximately $6,900,000 in 1996 to $9,000,000
in 1997 and then  decrease  to  $6,700,000  in 1998.  It is also  expected  that
operating   expenses  will  increase  in  order  to  further  support   existing
collaborations and internal research efforts. Operating expenses are expected to
continue to grow, at a minimum, consistent with historical

                                                        30

<PAGE>



trends.  Patent  related  expenditures  are  expected  to grow at a rate that is
faster than the historical operating expense growth rate.

         Other  income,  net is expected to decline in 1997 and 1998 as existing
funds are utilized to support the Company's operations.

         Property  and  equipment  costs are expected to continue to increase as
the Company's currently underutilized space is converted into laboratory space.

         The Company does not believe that  inflation has had a material  impact
on its results of operations.


Liquidity and Capital Resources

         At December 31, 1996 and 1995,  cash,  cash  equivalents and marketable
securities aggregated $34,684,282 and $36,017,666 respectively.  The decrease of
$1,333,384  in 1996 was  attributable  primarily to the net loss for the year of
approximately  $2,633,000,  the purchase of capital  equipment of  approximately
$1,106,000  and  patent  costs of  approximately  $518,000,  all of  which  were
partially  offset by the Company's  receipt of funds in the aggregate  amount of
approximately  $3,000,000 from the sale of common stock pursuant to the exercise
by the underwriters of the Company's  initial public offering in January 1996 of
their  overallotment  option,  the  exercise by an  investment  banking  firm of
certain  warrants  relating to a prior  private  placement,  and the exercise of
certain stock options under the Company's 1988 Incentive Plan.

         To date, the Company has met its cash requirements  through the sale of
its stock,  through  licensing  fees,  research  funding and milestone  payments
received  under the  Collaborative  Agreements,  through SBIR grants and through
interest  earned on its  investments.  As of December 31, 1996,  the Company had
received:  approximately  $62,000,000 from the sale of its stock;  approximately
$38,000,000 in licensing fees, research funding and milestone payments under the
Collaborative   Agreements;   approximately   $2,600,000  in  SBIR  grants;  and
approximately  $4,700,000  in other income,  net. To date,  the portion of these
funds that has been  expended by the Company has been used  principally  to fund
research and  development,  purchase fixed assets used primarily in its research
activities,  to create its patent  estate and to pay general and  administrative
support costs.

         At  December  31,  1996,  the Company  was  involved  in  collaborative
arrangements  with Lilly,  Merck,  Novartis and Dupont Merck.  Lilly,  Merck and
Novartis are expected to provide research funding to the Company during 1997 and
Lilly and Novartis are expected to provide  funding to the Company  during 1998.
The  aggregate  amount of research  funding under these  arrangements  which the
Company expects to receive during 1997 and 1998 is approximately  $9,000,000 and
$6,700,000,   respectively.  In  February  1996,  the  Company  entered  into  a
collaborative arrangement with DuPont Merck. The Company does not anticipate any
funding from this  arrangement  during 1997 or 1998.  Research funding under the
Lilly  Agreement is scheduled to expire on December 31, 1998.  Research  funding
under the Merck Agreement is scheduled to expire on November 30, 1997, but Merck
has the right to terminate the  collaboration  earlier by terminating  the Merck
Agreement  upon 90 days' prior  written  notice.  Except in the case of any such
termination,  Merck is obligated  to make  payments to Synaptic for its research
support through  November 30, 1997. Under the Novartis  Agreements,  Novartis is
obligated to provide Synaptic with research funding through August 3, 1998.

         At  December  31,  1996,  the  Company had  invested  an  aggregate  of
$5,559,321 in property and equipment. Included within the $5,559,321 is $658,077
of equipment  under capital leases.  The net present value of obligations  under
capital leases at December 31,1996, was $106,472. This amount is secured by

                                                        31

<PAGE>



investment  securities  of the Company which are, to the extent of the $112,000,
recorded  in the balance  sheet as  "Restricted  Securities."  The last of these
lease  agreements  will expire on December 5, 1997.  At December 31,  1996,  the
Company had committed approximately $1,800,000 to provide for increased capacity
in the Company's assay systems, certain improvements in data base management and
the construction  and equipping of a laboratory  related to the expansion in the
Lilly  collaboration.  During  1997,  it is likely that the Company  will commit
additional resources for the construction and equipping of additional laboratory
space.

         The Company leases  laboratory and office facilities under an agreement
expiring on December 31, 1999.  The minimum  annual  payment  under the lease is
$691,000.  A standby  letter  of  credit  for  $580,000  has been  issued to the
Company's landlord as a security deposit and is secured by investment securities
of the  Company  which are, to the extent of  $600,000,  recorded in the balance
sheet as "Restricted  Securities." This standby letter of credit must be renewed
annually during the life of the lease.

         At December  31, 1996,  the Company had  approximately  $34,684,282  in
cash, cash equivalents and marketable securities. The Company intends to utilize
these funds primarily to conduct its current and future research programs and to
make leasehold  improvements to its facilities beyond the level which existed on
December 31, 1996.  It is  anticipated  that the Company will  continue to incur
significant  operating  losses for a number of years and will require the use of
cash to finance its capital  programs.  The  Company  believes  that its cash on
hand,  together with the funds that it expects to receive from its collaborative
partners,  interest  income  and  funds  received  under  SBIR  grants,  will be
sufficient to fund an increased  operating  expense level and an increased level
of capital spending through June 30, 1999.


Disclosure Regarding Forward Looking Statements

         This Report includes "forward looking statements" within the meaning of
Section 27A of the  Securities  Act of 1933, as amended,  and Section 21E of the
Securities  Exchange Act of 1934, as amended.  These forward looking  statements
include,  but are not limited  to,  those  relating to future cash and  spending
plans, amounts of future research funding, patent-related plans, additional drug
discovery programs, the effectiveness,  efficacy, or other results of any of the
Company's  technology or drugs,  any other  statements  regarding future growth,
future cash needs, future operations,  business plans and financial results, and
any other statements which are not historical facts. When used in this document,
the words  "anticipate,"  "estimate,"  "expect,"  "may,"  "project," and similar
expressions   are   intended   to  be  among  the   statements   that   identify
forward-looking  statements.  Such statements  involve risks and  uncertainties,
including,  but not limited to, those risks and uncertainties  relating to those
described  below,  as well as other  factors  detailed  elsewhere in this Report
("Cautionary  Statements").  Such  Cautionary  Statements  qualify  the  forward
looking statements included in this Report. Should one or more of these risks or
uncertainties  materialize,  or should  underlying  assumptions prove incorrect,
actual outcomes may vary materially from those indicated. All subsequent written
and oral  forward  looking  statements  attributable  to the  Company or persons
acting on its behalf are expressly qualified in their entirety by the Cautionary
Statements.

         Absence of Developed Products; Early Stage of Product Development.  The
Company was founded in January 1987, has not completed  development of any drugs
and does not  expect  that any drugs  resulting  from its and its  collaborative
partners' research and development efforts will be commercially  available for a
significant number of years, if at all. Since inception, the Company has focused
its  activities on the  discovery  and cloning of receptor  genes and the use of
such genes as tools in the design of precisely  targeted  compounds  for a broad
range of therapeutic  applications.  All compounds discovered by the Company and
its  collaborative  partners  will require  extensive  preclinical  and clinical
testing prior to submission of any regulatory  application  for commercial  use.
Extensive  preclinical  and clinical  testing  required to establish  safety and
efficacy will take

                                                        32

<PAGE>



several  years,  and the time  required  to  commercialize  new drugs  cannot be
predicted with accuracy.  There can be no assurance that the Company's  approach
to drug discovery,  or the efforts of Lilly, Merck,  Novartis or DuPont Merck or
any future collaborative  partner or licensee of the Company, will result in the
development of any drugs,  or that drugs,  if  successfully  developed,  will be
proven to be safe and effective in clinical trials,  meet applicable  regulatory
standards,  be  capable  of  being  manufactured  in  commercial  quantities  at
reasonable costs or be successfully  commercialized.  Product development of new
pharmaceuticals is highly uncertain, and unanticipated developments, clinical or
regulatory delays, unexpected adverse effects or inadequate therapeutic efficacy
would  slow  or  prevent  product  development  efforts  of the  Company  or its
collaborative  partners  and have a  material  adverse  effect on the  Company's
operations.


         Dependence  on  Collaborative  Partners  for  Development,   Regulatory
Approvals, Manufacturing,  Marketing and Other Resources. The Company's business
strategy  is to  leverage  its  resources  by entering  into  collaborative  and
licensing  agreements with  pharmaceutical  companies.  Under the  Collaborative
Agreements,  the Company's  collaborative partners are generally responsible for
preclinical  testing and clinical trials of compounds  developed through the use
of the Company's technology,  regulatory approvals thereof and the manufacturing
and  commercialization of resulting drugs. As a result, the Company's receipt of
revenues (whether in the form of continued  research  funding,  drug development
milestones  or  royalties  on  sales)  under  the  Collaborative  Agreements  is
dependent upon the activities and the development,  manufacturing  and marketing
resources  of its  collaborative  partners.  The amount and timing of  resources
dedicated  by  the  Company's   collaborative   partners  to  their   respective
collaborations  with the Company is not within the Company's control.  Moreover,
there can be no assurance  that the  interests  of the Company will  continue to
coincide with those of its  collaborative  partners,  that some of the Company's
collaborative  partners  will not develop  independently  or with third  parties
drugs that could compete with drugs of the types covered by the  collaborations,
or that disagreements  over rights or technology or other proprietary  interests
will not occur.

         The  Company  is  dependent  on its  collaborative  partners  to fund a
substantial  portion of its activities over the next couple of years.  Merck can
terminate the Merck Agreement at any time upon 90 days' prior written notice. If
any of the Company's collaborative partners terminates or breaches its agreement
with the Company,  or fails to devote  adequate  resources to or to conduct in a
timely  manner its  collaborative  activities,  the research  program  under the
applicable  Collaborative  Agreement or the development and commercialization of
drug  candidates  subject to such  collaboration  would be materially  adversely
affected.  Further, there can be no assurance that the Company's  collaborations
with Lilly, Merck,  Novartis and DuPont Merck will be successful.  Nor can there
be any  assurance  that  the  Company  will  be able to  enter  into  acceptable
collaborative or licensing  arrangements with other pharmaceutical  companies in
the future, or that, if negotiated, such arrangements would be successful.

         Future Capital Needs;  Uncertainty of Additional Funding. The operation
of the  Company's  business  will  require  substantial  capital  resources.  No
assurance can be given that its existing capital resources, together with future
interest  income and payments due under the  Collaborative  Agreements,  will be
sufficient.  Moreover,  there can be no assurance  that the Company will receive
the expected level of funding under the  Collaborative  Agreements.  The Company
expects that it will, in the future, seek to raise additional funding from other
sources,  including  other  collaborative  partners and  licensees,  and through
public or private financings,  including sales of equity or debt securities. Any
such  collaborative or licensing  arrangement could result in limitations on the
Company's ability to control the research and development of potential drugs and
the  commercialization  of  resulting  drugs,  if any,  as  well as its  profits
therefrom.  Any such equity  financing could result in dilution to the Company's
then existing stockholders. There can be no assurance that additional funds will
be available on favorable terms or at all, or that such funds, if raised,  would
be sufficient to permit

                                                        33

<PAGE>



the Company to continue to conduct  its  operations.  If adequate  funds are not
available, the Company may be required to curtail significantly or eliminate one
or more of its receptor or drug discovery programs.

         History of Operating  Losses and Accumulated  Deficit.  The Company has
incurred net losses every year since its  inception in January 1987. At December
31,  1996,  the  Company's  accumulated  deficit  was  $23,969,520.  Losses have
resulted  principally  from costs  incurred  in  connection  with the  Company's
research and development  activities and from general and  administrative  costs
associated  with the Company's  operations.  The Company  expects to continue to
incur substantial  operating losses.  The only revenues generated by the Company
to date have resulted from payments under the Collaborative Agreements, interest
income and funds from government  grants. The Company's  revenues,  expenses and
losses may fluctuate from quarter to quarter and year to year. Research payments
under the Lilly Agreement,  the Merck Agreement and the Novartis  Agreements are
scheduled  to  expire  in  December   1998,   November  1997  and  August  1998,
respectively, unless the research programs under such agreements are extended by
mutual agreement of the Company and Lilly,  Merck or Novartis.  The Company does
not receive research payments under the DuPont Merck Agreement. The Company does
not  expect  to  achieve  revenues  or  royalties  from  sales  of  drugs  for a
significant number of years, if at all. The Company will not achieve revenues or
royalties  from  drug  sales  unless  it or one of  its  collaborative  partners
successfully completes clinical trials with respect to a drug candidate, obtains
regulatory  approvals for that drug candidate and  commercializes  the resulting
drug.  Failure to achieve  significant  revenue or profitable  operations  could
impair the Company's ability to sustain operations and there can be no assurance
that  the  Company  will  ever  achieve   significant   revenues  or  profitable
operations.

         Company's Dependence on Proprietary  Technology and Unpredictability of
Patent  Protection.  The Company's  success depends,  in part, on its ability to
establish,   protect  and  enforce  its  proprietary   rights  relating  to  its
technology.  The Company files patent  applications  in the United States and in
other countries in order to protect its gene discoveries,  compound  discoveries
and  other  inventions.  However,  the  patent  position  of  biotechnology  and
pharmaceutical companies is highly uncertain and involves many complex legal and
technical  issues.  There can be no assurance  that patents will be granted with
respect to any of the Company's  patent  applications  currently  pending in the
United States or in other  countries,  or with respect to applications  filed by
the Company in the future.

         Also, there can be no assurance that the Company's patent  applications
will not be challenged by way of  interference  proceedings  or opposed by third
parties or that the Company will not be required to participate in  interference
proceedings  or oppose the patents or patent  applications  of third  parties in
order to protect its rights.  Interference  proceedings  and  oppositions can be
expensive to prosecute and defend.  One of the Company's patent  applications on
file  outside  the  United  States is the  subject of an  opposition  filed by a
pharmaceutical  company.  In  addition,  the  Company  is  seeking to provoke an
interference by the United States Patent and Trademark Office between one of its
patent  applications  and an  issued  patent of a third  party.  There can be no
assurance  that  the  outcome  of the  pending  opposition  proceeding  and  the
anticipated  interference  proceeding  will be favorable to the Company.  In the
event that the outcome of the  opposition  proceeding  were  unfavorable  to the
Company,  the Company would not be issued the patent in the country in which the
proceeding  is taking place and would not be able to prevent  third parties from
practicing  the  subject  matter of the  opposed  application  in that  country.
Moreover,  the opponent may seek to file similar oppositions in other countries.
In the event that the outcome of the interference proceeding were unfavorable to
the Company, the Company might not be able to practice the subject matter of the
relevant patent  application in the United States.  Even if the eventual outcome
of the pending opposition proceeding and the anticipated interference proceeding
were favorable to the Company, the Company's  participation in them could result
in substantial cost to the Company.


                                                        34

<PAGE>



         There is no clear  policy  involving  the breadth of claims  allowed in
patents  or the  degree  of  protection  afforded  thereunder.  There  can be no
assurance that claims in the Company's  patents,  either as initially allowed by
the United States Patent and Trademark  Office or any of its  non-United  States
counterparts  or as  subsequently  interpreted  by courts  inside or outside the
United States,  will be sufficiently broad to protect the Company's  proprietary
rights.  Further,  no assurance can be given that patents  issued to the Company
will not be infringed,  challenged,  invalidated or circumvented  by others,  or
that the rights granted  thereunder will provide  competitive  advantages to the
Company. The field of gene discovery has become intensely competitive.  A number
of pharmaceutical companies,  biotechnology companies, universities and research
institutions have significantly  expanded their gene discovery efforts in recent
years and have filed patent applications or received patents covering their gene
discoveries.  Some of these  applications or patents may be competitive with the
Company's  applications  or conflict in certain  respects with claims made under
the Company's applications.  Moreover, because patent applications in the United
States  are   maintained  in  secrecy  until  patents   issue,   because  patent
applications in certain other  countries  generally are not published until more
than  eighteen   months  after  they  are  filed  and  because   publication  of
technological  developments  in the scientific or patent  literature  often lags
behind the date of such developments,  the Company cannot be certain that it was
the  first to  invent  the  subject  matter  covered  by its  patents  or patent
applications  or that it was the  first  to file  patent  applications  for such
inventions.  If an issue  regarding  priority of  inventions  were to arise with
respect to any of the  Company's  patents or patent  applications,  the  Company
might have to participate in litigation or interference  proceedings declared by
the United  States  Patent and  Trademark  Office or similar  agencies  in other
countries to  determine  priority of  invention.  Litigation  to  establish  the
validity of patents,  to defend against patent infringement claims and to assert
infringement claims against others can be expensive and time-consuming,  even if
the outcome is favorable to the Company. If the outcome of patent prosecution or
litigation  is not  favorable  to the  Company,  the Company  could be adversely
affected.

         In addition to patent protection,  the Company relies on trade secrets,
proprietary  know-how and technological  advances which it seeks to protect,  in
part, by confidentiality  agreements with its collaborative partners,  employees
and  consultants.  There can be no assurance that these  agreements  will not be
breached,  that the Company would have adequate remedies for any such breach, or
that  the  Company's  trade  secrets,  proprietary  know-how  and  technological
advances  will not  otherwise  become known or be  independently  discovered  by
others.

         The  commercial  success of the Company also  depends on the  Company's
ability to operate without  infringing  patents and proprietary  rights of third
parties.  The  Company  is  aware  of a  large  number  of  patents  and  patent
applications  of third  parties  that  contain  claims to genes  that code for G
protein-coupled  receptors and/or compounds that interact with G protein-coupled
receptors.  Patents  issued to others may  preclude  the  Company  from using or
licensing  its  technology  or may  preclude  the  Company or its  collaborative
partners  from  commercializing  drugs  developed  with the use of the Company's
technology.  The Company  has  acquired  licenses  to use  certain  technologies
covered  by  patents  owned  by  Stanford   University  and  the  University  of
California,  jointly,  and  Columbia  University  and may be  required to obtain
additional  licenses to patents or other proprietary  rights of other parties in
order to pursue its own  technologies.  No assurance  can be given that any such
additional  licenses would be made available on terms acceptable to the Company,
if at all.  The failure to obtain such  licenses  could  result in delays in the
Company's or its collaborative partners' activities,  including the development,
manufacture  or  sale  of  drugs  requiring  such  licenses,  or  preclude  such
development, manufacture or sale.

         Risk of Technological Obsolescence and Highly Competitive Industry. The
Company operates in a field in which new developments  occur and are expected to
continue  to  occur  at  a  rapid  pace.   Competition  from  biotechnology  and
pharmaceutical   companies,   joint   ventures,   academic  and  other  research
institutions  and others is intense  and is expected  to  increase.  Many of the
Company's competitors have substantially

                                                        35

<PAGE>



greater financial,  technical and personnel resources than the Company. Although
the Company believes that many elements of human  receptor-targeted  drug design
technology and the manner in which the Company has integrated these elements are
proprietary to the Company,  one or more of such elements are currently employed
by  several  other  pharmaceutical  and  biotechnology  companies  in their drug
discovery  efforts.  Moreover,   although  the  Company  believes  that  it  has
identified  new and  distinct  approaches  to drug  discovery,  there  are other
companies with drug discovery  programs at least some of the objectives of which
are the same as or similar to those of the Company. The Company is aware of many
pharmaceutical  and  biotechnology  companies  that are  engaged  in  efforts to
develop  compounds  that interact  with G  protein-coupled  receptors  subtypes,
including  receptor subtypes with which the Company is working.  There can be no
assurance  that   competitors   of  the  Company  will  not  develop   competing
technologies  or drugs  that are more  effective  than  those  developed  by the
Company and its collaborative  partners or obtain regulatory  approvals of their
drugs more  rapidly  than the Company and its  collaborative  partners,  thereby
rendering the Company's and its collaborative  partners'  technologies and drugs
obsolete  or  noncompetitive.  Moreover,  there  can be no  assurance  that  the
Company's  competitors will not obtain patent  protection or other  intellectual
property  rights that would limit the Company's or its  collaborative  partners'
ability to use the Company's technology or commercialize its or their drugs.

         Stringent  Government  Regulation and Need for Product  Approvals.  The
preclinical  testing and clinical trials of compounds  developed through the use
of the Company's  technology  and the  manufacturing  and marketing of any drugs
resulting  therefrom are subject to regulation  by numerous  Federal,  state and
local governmental  authorities in the United States, the principal one of which
is the FDA, and by similar Regulatory Agencies in other countries in which drugs
developed  through  the  use of the  Company's  technology  may  be  tested  and
marketed.  Any compound  developed by the Company or its collaborative  partners
must receive Regulatory Agency approval before it may be marketed as a drug in a
particular country.  The regulatory process,  which includes preclinical testing
and  clinical  trials of each  compound  in order to  establish  its  safety and
efficacy,  can take many  years and  requires  the  expenditure  of  substantial
resources.   Data  obtained  from   preclinical  and  clinical   activities  are
susceptible  to varying  interpretations  which  could  delay,  limit or prevent
Regulatory Agency approval. In addition, delays or rejections may be encountered
based  upon  changes  in  Regulatory  Agency  policy  during  the period of drug
development and/or the period of review of any application for Regulatory Agency
approval for a compound.  Delays in obtaining  Regulatory Agency approvals could
adversely  affect the  marketing  of any drugs  developed  by the Company or its
collaborative  partners,  impose  costly  procedures  upon the Company's and its
collaborative partners' activities, diminish any competitive advantages that the
Company  or its  collaborative  partners  may attain  and  adversely  affect the
Company's  ability to receive  royalties.  There can be no assurance  that, even
after such time and  expenditures,  Regulatory Agency approvals will be obtained
for any compounds  developed by or in collaboration with the Company.  Moreover,
even if Regulatory Agency approval for a compound is granted,  such approval may
entail limitations on the indicated uses for which it may be marketed.  Further,
approved  drugs and their  manufacturers  are subject to continual  review,  and
discovery of previously  unknown  problems with a drug or its  manufacturer  may
result in restrictions on such drug or manufacturer, including withdrawal of the
drug from the market.  Regulatory  Agency approval of prices is required in many
countries  and may be required for the  marketing  of any drug  developed by the
Company or its collaborative partners.

         Dependence  on Key  Personnel.  The Company is highly  dependent on its
management  and  scientific  staff.  Loss of the services of any key  individual
could have an adverse  effect on the  Company.  The  Company  believes  that its
future success will depend, in part, on its ability to attract and retain highly
talented managerial and scientific personnel and consultants.  The Company faces
intense  competition for such personnel from,  among others,  biotechnology  and
pharmaceutical  companies,  as well as academic and other research institutions.
There  can be no  assurance  that it will be able  to  attract  and  retain  the
personnel it requires on acceptable terms.

                                                        36

<PAGE>



Item 8.           Financial Statements



                       SYNAPTIC PHARMACEUTICAL CORPORATION

                          INDEX TO FINANCIAL STATEMENTS





                                                                           Page
                                                                           ----

Report of Independent Auditors..............................................38

Balance Sheets at December 31, 1996 and 1995................................39

Statements of Operations for the years ended December 31,
  1996, 1995 and 1994.......................................................40

Statements of Stockholders' Equity (Deficiency) for the years
  ended December 31, 1996, 1995 and 1994....................................41

Statements of Cash Flows for the years ended December 31,
  1996, 1995 and 1994.......................................................43

Notes to Financial Statements...............................................44

                                                        37

<PAGE>





                         REPORT OF INDEPENDENT AUDITORS




The Board of Directors and Shareholders
SYNAPTIC PHARMACEUTICAL CORPORATION

         We  have   audited  the   accompanying   balance   sheets  of  Synaptic
Pharmaceutical  Corporation  as of December  31, 1996 and 1995,  and the related
statements of operations,  stockholders'  equity (deficiency) and cash flows for
each of the three years in the period ended December 31, 1996.  These  financial
statements   are  the   responsibility   of  the   Company's   management.   Our
responsibility  is to express an opinion on these financial  statements based on
our audits.

         We conducted our audits in accordance with generally  accepted auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

         In our opinion,  the  financial  statements  referred to above  present
fairly,  in  all  material   respects,   the  financial   position  of  Synaptic
Pharmaceutical  Corporation at December 31, 1996 and 1995 and the results of its
operations  and its cash flows for each of the three  years in the period  ended
December 31, 1996 in conformity with generally accepted accounting principles.





                                                      ERNST & YOUNG LLP

Hackensack, New Jersey
February 18, 1997


                                                        38

<PAGE>



                       SYNAPTIC PHARMACEUTICAL CORPORATION

                                 BALANCE SHEETS



December 31, 1996 and 1995

Assets                                                1996          1995
- ------                                                ----          ----

Current assets:
Cash and cash equivalents                       $  4,588,731  $ 27,680,969
Marketable securities--current maturities         21,418,869     7,932,322
Revenue receivable under license agreement           191,666       129,208
Restricted securities                                712,000       770,000
Other current assets                                 457,915       351,296
                                                  ----------    ----------
   Total current assets                           27,369,181    36,863,795
  
Property and equipment, net                        2,664,129     2,232,418
Marketable securities                              8,676,682       404,375
Patent and patent application costs,
net of accumulated amortization
(1996--$729,798; 1995--$443,986)                   1,644,602     1,412,155
                                                 -----------  ------------
                                                 $40,354,594  $ 40,912,743
                                                 ===========  ============


Liabilities and Stockholders' Equity
- ------------------------------------

Current liabilities:
Current portion of capital lease obligations    $    106,472  $   152,282
Accounts payable                                     638,751      196,750
Accrued liabilities                                  189,010      660,481
Accrued compensation                                 380,000      306,851
Unearned revenue under research agreements                --      820,720
                                                   ---------   ----------
   Total current liabilities                       1,314,233    2,137,084

Capital lease obligations, less current portion           --      106,472
Commitments and contingencies
Stockholders' equity:
Preferred Stock, $.01 par value;
authorized--1,000,000 shares in
1996 and 1995                                             --           --
Common Stock, $.01 par value; authorized--
25,000,000 shares in 1996 and 1995; issued--
7,633,543 shares in 1996 and 7,326,368 shares
in 1995; outstanding--7,633,543 shares in
1996 and 7,325,493 shares in 1995                     76,335       73,264
Additional paid-in capital                        63,231,188   59,952,735
Net unrealized gains (losses) on securities           (1,162)     196,384
Deferred compensation                               (296,480)    (208,952)
Note receivable from stockholder                          --       (6,134)
Accumulated deficit                              (23,969,520) (21,336,465)
                                                 -----------  ----------- 
                                                  39,040,361   38,670,832
Less: Treasury stock, at cost                             --       (1,645)
                                                  ---------   -----------
Total stockholders' equity                        39,040,361   38,669,187
                                                  ----------   ----------
                                                 $40,354,594  $40,912,743
                                                 ===========  ===========
 
                   See notes to financial statements.

                                         39
<PAGE>


                       SYNAPTIC PHARMACEUTICAL CORPORATION

                            STATEMENTS OF OPERATIONS





For the Years Ended December 31, 1996, 1995 and 1994


                                  1996           1995            1994
                                  ----           ----            ----
REVENUES:
Contract revenue            $ 6,942,928     $ 7,670,491    $ 4,763,124
License revenue               2,000,000              --             --
Grant revenue                   537,760         307,000        280,000
                            -----------     -----------      ---------
Total revenues                9,480,688       7,977,491      5,043,124

EXPENSES:
Research and development     11,336,756       9,863,769      9,308,917
General and administrative    2,982,449       2,214,897      1,912,081
                            -----------     -----------    -----------
Total expenses               14,319,205      12,078,666     11,220,998
                            -----------     -----------    -----------
Loss from operations         (4,838,517)     (4,101,175)    (6,177,874)

OTHER INCOME, NET:
Interest income               2,012,847         748,395        692,985
Interest expense                (19,545)        (32,975)       (45,223)
Gain on sale of securities      212,160          18,404          3,391
                            -----------     -----------    -----------
Other income, net             2,205,462         733,824        651,153
                            -----------     -----------    -----------
NET LOSS                    $(2,633,055)    $(3,367,351)   $(5,526,721)
                            ===========     ===========    =========== 

NET LOSS PER SHARE               $(0.35)        $(4.76)
                                 ======         ====== 

Shares used in computation
of net loss per share         7,577,610         707,094
                              =========         =======





                       See notes to financial statements.


                                                        40

<PAGE>


                       SYNAPTIC PHARMACEUTICAL CORPORATION

         STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIENCY) -- (Continued)


                       SYNAPTIC PHARMACEUTICAL CORPORATION

                 STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIENCY)
<TABLE>

<S>                            <C>        <C>     <C>          <C>        <C>       <C>        <C>            <C>      <C> 

                                                                  Net
                                                               Unrealized              Notes                             Total
                                                                 Gains              Receivable                           Stock-    
                                                    Additional  (Losses)   Deferred   From         Accumu-               holders'
                                   Common Stock      Paid-In      on        Compen-   Stock-        lated     Treasury    Equity
                                 Shares   Amount     Capital   Securities    sation   holders      Deficit     Stock   (Deficiency)
                                 ------   ------     -------   ----------    ------   -------      -------     -----   ------------
Balance at January 1, 1994       329,181  $ 3,292 $   624,864  $ 55,370   $(151,448) $(16,993) $ (12,442,393) $(1,945) $(11,929,253)
Purchase of 848 shares
 of Treasury Stock at cost            --       --          --        --          --        --            --      (705)         (705)
Payments received on notes
 receivable from stockholders         --       --          --        --          --     5,207            --        --         5,207
Deferred Compensation related
 to Stock Incentive Plan              --       --      14,955        --     (14,955)       --            --        --            --
Forfeiture of Deferred
 Compensation related to
 Stock Incentive Plan                 --       --        (607)       --         607        --            --        --            --
Amortization of Deferred
 Compensation                         --       --          --        --      60,554        --            --        --        60,554
Issuance of 3,293 shares
 of Treasury Stock                    --       --       3,725        --          --        --            --     2,070         5,795
Issuance of 11,012 shares
 of common stock                  11,012      110      19,272        --          --        --            --        --        19,382
Adjustment to reflect net
 unrealized holding loss on
 securities                           --       --          --  (226,110)         --        --            --        --      (226,110)
Net loss for the year ended
 December 31, 1994                    --       --          --        --          --        --    (5,526,721)       --    (5,526,721)
                                 ------   ------     -------   ----------    ------   -------      -------     -----    ------------
Balance at December 31, 1994     340,193    3,402     662,209  (170,740)   (105,242)  (11,786)  (17,969,114)     (580)  (17,591,851)
Purchase of 1,893 shares of
 Treasury Stock at cost               --       --          --        --          --        --            --    (3,449)       (3,449)
Payments received on notes
 receivable from stockholders         --       --          --        --          --     5,652            --        --         5,652
Deferred Compensation related
 to Stock Incentive Plan              --       --     190,674        --    (190,674)       --            --        --            --
Forfeiture of Deferred
 Compensation related to
 Stock Incentive Plan                 --       --      (1,075)       --       1,075        --            --        --            --
Amortization of Deferred
 Compensation                         --       --          --        --      85,889        --            --        --        85,889
Issuance of 1,646 shares
 of Treasury Stock                    --       --         736        --          --        --            --     2,384         3,120
Issuance of 57,769 shares of
 common stock to employees
 and consultants                  57,769      578     257,978        --          --        --            --        --       258,556
Issuance of 2,000,000 shares
 of common stock in initial
 public offering               2,000,000   20,000  22,692,401        --          --        --            --        --    22,712,401
Conversion of preferred stock  4,928,382   49,284  36,149,812        --          --        --            --        --    36,199,096
Adjustment to reflect net
 unrealized holding gain on
 securities                           --       --          --   367,124          --        --            --        --       367,124
Net loss for the year ended
 December 31, 1995                    --       --          --        --          --        --    (3,367,351)       --    (3,367,351)
Fractional shares issued in
 reverse stock split                  24       --          --        --          --        --            --        --            --
                                 ------   ------     -------   ----------    ------   -------      -------     -----    -----------
Balance at December 31, 1995   7,326,368  $73,264 $59,952,735  $196,384   $(208,952) $ (6,134) $(21,336,465)  $(1,645)  $38,669,187
                               =========  ======= ===========  ========   =========  ========  ============   =======   ===========

</TABLE>




                   See notes to financial statements.


                                                                      41

<PAGE>


                              SYNAPTIC PHARMACEUTICAL CORPORATION

               STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIENCY) -- (Continued)


<TABLE>

<S>                            <C>        <C>     <C>          <C>        <C>       <C>       <C>            <C>       <C> 

                                                                  Net
                                                               Unrealized              Notes                             Total
                                                                 Gains              Receivable                           Stock-    
                                                    Additional  (Losses)   Deferred   From         Accumu-               holders'
                                   Common Stock      Paid-In      on        Compen-   Stock-        lated     Treasury    Equity
                                 Shares   Amount     Capital   Securities    sation   holders      Deficit     Stock   (Deficiency)
                                 ------   ------     -------   ----------    ------   -------      -------     -----   ------------
Balance at December 31, 1995   7,326,368  $73,264 $59,952,735  $196,384   $(208,952) $ (6,134) $(21,336,465)  $(1,645)  $38,669,187
Purchase of 1,190 shares of
 Treasury Stock at cost               --       --          --        --          --        --            --    (2,275)       (2,275)
Payments received on notes
 receivable from stockholders         --       --          --        --          --     6,134            --        --         6,134
Deferred Compensation related
 to Stock Incentive Plan              --       --     388,100        --    (388,100)       --            --        --            --
Forfeiture of Deferred
 Compensation related to
 Stock Incentive Plan                 --       --    (121,200)       --     121,200        --            --        --            --
Amortization of Deferred
 Compensation                         --       --          --        --     179,372        --            --        --       179,372
Issuance of 48,126, shares
 of Common Stock pursuant
 to exercise of stock options     46,061     460      80,952         --          --        --             --    3,920        85,332
Issuance of 48,114 shares of
 common stock pursuant to
 exercise of stock warants        48,114     481     456,606         --          --        --             --       --       457,087
Issuance of 213,000 shares
 of common stock pursuant to
 overallotment option            213,000   2,130   2,473,995          --         --      --               --       --     2,476,125
Adjustment to reflect net
 unrealized holding loss on
 securities                           --       --          --    (197,546)       --      --               --       --      (197,546)
Net loss for the year ended
 December 31, 1996                    --       --          --          --        --      --       (2,633,055)      --    (2,633,055)
                               ---------  ------- -----------  ----------  ---------  -------   ------------    -----  ------------
Balance at December 31, 1996   7,633,543  $76,335 $63,231,188  $   (1,162) $(296,480)  $ --     $(23,969,520)   $  --   $39,040,361
                               =========  ======= ===========  ==========  =========  ========  ============    =====  ============
</TABLE>

                                        See notes to financial statements.


                                                                      42

<PAGE>



                       SYNAPTIC PHARMACEUTICAL CORPORATION

                            STATEMENTS OF CASH FLOWS


For the Years Ended December 31, 1996, 1995 and 1994

                                           1996          1995           1994
                                       -----------   -----------    ------------
OPERATING ACTIVITIES:
Net loss                               $(2,633,055)  $(3,367,351)   $(5,526,721)
 Adjustments to reconcile net
  loss to net cash provided by
  (used in) operating activities:
 Depreciation and amortization             959,835       791,855        674,486
 Amortization of (discounts)/
  premiums on securities                  (157,759)       42,465         16,440
 Amortization of deferred
  compensation and other                   179,372        86,253         64,735
 Gain on sale of securities               (212,160)      (18,404)        (3,391)
 Changes in operating assets and
  liabilities:
(Increase) decrease in other assets       (106,619)      355,928       (453,850)
 Increase in accounts payable,
  accrued liabilities and
  accrued compensation                      43,679       131,027         60,619
(Increase) decrease in license
  agreement revenue receivable             (62,458)    1,903,876      1,695,093
(Decrease) increase in deferred
  revenue                                 (820,720)      820,720     (1,309,075)
                                       -----------   -----------    ----------- 
Net cash (used in) provided by
  operating activities                  (2,809,885)      746,369     (4,781,664)

INVESTING ACTIVITIES:
 Proceeds from sale or maturity
  of investments                        10,710,000     6,318,507     11,221,728
 Purchases of investments              (32,238,481)   (3,669,005)   (13,431,922)
 Purchases of property
  and equipment                         (1,105,734)     (529,035)      (416,792)
 Increase in patent and patent
  application costs                       (518,259)     (601,741)      (596,750)
 Issuance of loans to
  employee/stockholder                          --            --       (400,000)
 Principal payments made by
  employee/stockholders                         --           365        404,182
                                       -----------   -----------    ----------- 
Net cash (used in) provided by
  investing activities                 (23,152,474)    1,519,091     (3,219,554)

FINANCING ACTIVITIES:
 Issuance of common stock,
  net of repurchases                     3,016,269    22,970,628         24,472
 Issuance of Series 4
  Convertible Preferred Stock                   --            --      7,293,357
 Payments on capital lease                (152,282)     (124,673)      (112,658)
 Payments on notes receivable
  from stockholders                          6,134         5,652          5,207
                                       -----------   -----------    -----------
Net cash provided by
  financing activities                   2,870,121    22,851,607      7,210,378
                                       -----------   -----------    ----------- 
Net (decrease) increase in cash
  and cash equivalents                 (23,092,238)   25,117,067       (790,840)
 Cash and cash equivalents at
  beginning of period                   27,680,969     2,563,902      3,354,742
                                       -----------   -----------    -----------
Cash and cash equivalents at end
  of period                            $ 4,588,731   $27,680,969    $ 2,563,902
                                       ===========   ===========    ===========


 SUPPLEMENTAL CASH FLOW DISCLOSURE:
 
 Cash paid for interest                $   19,545    $   32,975     $    45,223
                                       ==========    ==========     ===========



                           See notes to financial statements.



                                                                 43

<PAGE>



                       SYNAPTIC PHARMACEUTICAL CORPORATION
                          NOTES TO FINANCIAL STATEMENTS
                                December 31, 1996


Note 1 -- Summary of Significant Accounting Policies

        Organization.  Synaptic  Pharmaceutical  Corporation  (the "Company") is
engaged in the development of a broad platform of enabling  technology  which it
calls "human receptor-targeted drug design technology". The Company is utilizing
this  technology  both to  discover  and  clone  the  genes  that code for human
receptor  subtypes  associated with specific  disorders and to design  compounds
that can  potentially  be developed as drugs for treating these  disorders.  The
Company makes available this technology to its  pharmaceutical  partners through
licensing and research  agreements  from which the Company derives the principal
portion of its revenue.

        Net  Loss  Per  Share.  Except  as noted  below,  net loss per  share is
computed   using  the  weighted   average  number  of  shares  of  common  stock
outstanding.  Common  equivalent  shares  from stock  options and  warrants  are
excluded from the  computation  as their effect is  anti-dilutive,  except that,
pursuant to the Securities and Exchange  Commission Staff Accounting  Bulletins,
common and common  equivalent  shares issued at prices below the offering  price
during the twelve-month period prior to the Company's initial public offering in
December 1995 have been included in the calculation as if they were  outstanding
for periods  prior to the initial  public  offering  (using the  treasury  stock
method and the  initial  public  offering  price).  Additionally,  the effect of
common shares issued upon  conversion of the  convertible  redeemable  preferred
stock on  December  19,  1995 is  included  in net loss per share on a  weighted
average basis.  Historical net loss per share  information  prior to 1995 is not
considered  meaningful due to the significant  changes in the Company's  capital
structure  which  occurred  upon the  closing of the  initial  public  offering.
Accordingly, such per share information is not presented.

        Supplementary   Net  Loss  Per  Share.   Except  as  noted  below,  1995
supplementary  net loss per share of  $(0.62)  is  computed  using the  weighted
average number of shares of common stock and  convertible  redeemable  preferred
stock amounting to 5,430,127.  Common  equivalent  shares from stock options and
warrants are excluded  from the  computation  as their effect is  anti-dilutive,
except that, pursuant to the Securities and Exchange Commission Staff Accounting
Bulletins,  common  and  common  equivalent  shares  issued at prices  below the
offering  price  during the  twelve-month  period  prior to the  initial  public
offering have been included in the  calculation as if they were  outstanding for
all periods  presented  prior to the initial public offering (using the treasury
stock method and the initial public offering price). Additionally, the effect of
common shares issuable upon conversion of convertible redeemable preferred stock
is included in supplementary net loss per share as outstanding for all of 1995.

        Revenue Recognition. Research funding revenue is recognized ratably over
the period of the  contract  to which it relates.  Payments  received in advance
under such  contracts  is  recorded as deferred  revenue  until the  research is
performed.  Research  milestone  payment  revenue is  recognized at the time the
related   research   milestone   is   achieved.   License   revenue   represents
non-refundable  payments  for  licenses  to the  Company's  technology  and drug
discovery systems.  Non-refundable  payments for licenses are recognized at such
time as they are received or, if earlier,  become  guaranteed.  Government grant
receipts are recorded as revenue in the period in which the related  research is
performed.

        Cash Equivalents.  Cash equivalents consist of highly liquid investments
with a maturity of three months or less when purchased.

                                                        44

<PAGE>


                       SYNAPTIC PHARMACEUTICAL CORPORATION
                   NOTES TO FINANCIAL STATEMENTS--(Continued)
                                December 31, 1996


        Available-for-Sale Securities. Available-for-sale securities are carried
at fair  value,  with the  unrealized  gains and losses  reported  as a separate
component of stockholders'  equity.  The cost of debt securities is adjusted for
amortization   of  premiums  and  accretion  of  discounts  to  maturity.   Such
amortization  is  included  in interest  income.  Realized  gains and losses and
declines in value  judged to be other than  temporary,  if any,  are included in
other  income.   The  cost  of   securities   sold  is  based  on  the  specific
identification  method.  Investments  held  as  of  December  31,  1996  consist
primarily of U.S.  Government and Federal  Agency  obligations,  U.S.  corporate
securities and mortgage-backed securities. The maturities range from January 31,
1997 through August 15, 1998.

        The  Company has  established  guidelines  relative to  diversification,
credit ratings and maturities to maintain  safety and liquidity.  The guidelines
are periodically reviewed and modified to take advantage of trends in yields and
interest rates.

        Property  and  Equipment.  Property  and  equipment  are stated at cost.
Depreciation  is computed  using the  straight-line  method  over the  estimated
useful  lives of the  assets  (principally  7  years).  Depreciation  of  assets
acquired  pursuant to capital lease  arrangements and leasehold  improvements is
over the shorter of the estimated useful life or the lease term.

        Patents.  Prior to October 1, 1996, patent and patent  application costs
were capitalized and amortized over 7 years or the estimated life of the patent,
if less, using the  straight-line  method.  Capitalized costs through October 1,
1996,  will  continue  to be  amortized  over the  remaining  portions  of their
seven-year lives. Effective October 1, 1996, patent and patent application costs
are  expensed  as  incurred.  The  effect in 1996 of this  change in  accounting
estimate was to increase expenses and net loss by $171,000, or $0.02 per share.

     Accrued  Liabilities.  Included in accrued liabilities at December 31, 1996
and  1995  are  accrued   professional   fees  totaling  $68,000  and  $252,000,
respectively.

     Stock-Based  Compensation.  The Company  has  elected to follow  Accounting
Principles  Board  Opinion No. 25,  "Accounting  for Stock Issued to  Employees"
("APB No. 25"), in accounting for its employee stock options.  Under APB No. 25,
compensation  expense is recognized  only when the exercise  price of options is
below  the  market  price of the  underlying  stock on the date of  grant.  Such
expense is recognized ratably over the vesting period.

        Use of Estimates.  The preparation of financial statements in conformity
with  generally  accepted  accounting  principles  requires  management  to make
estimates  and  assumptions  that  affect  the  reported  amounts  of assets and
liabilities  and disclosure of contingent  assets and liabilities at the date of
the financial statements. Estimates also affect the reported amounts of revenues
and expenses during the reporting period. Actual results could differ from these
estimates.

     Reclassifications.  Certain  prior year amounts have been  reclassified  to
conform with the current year presentation.



                                                        45

<PAGE>


                       SYNAPTIC PHARMACEUTICAL CORPORATION
                   NOTES TO FINANCIAL STATEMENTS--(Continued)
                                December 31, 1996


Note 2 -- Investments

        The  following is a summary of all of the Company's  securities.  All of
the  Company's  securities  are  classified  as  available-for-sale  securities.
Determination of estimated fair value is based on quoted market prices:


December 31, 1996:                          Gross         Gross
                                          Unrealized    Unrealized   Estimated
                                Cost        Gain         (Loss)      Fair Value
U.S. Treasury obligations    -----------   --------    --------     -----------
and obligations of U.S.
government agencies          $20,846,307        857    $ (3,841)    $20,843,323
U.S. corporate securities      6,990,759      5,462      (8,591)      6,987,630
Mortgage-backed securities     2,971,647      4,951          --       2,976,598
                             -----------   --------    --------     -----------
                             $30,808,713   $ 11,270    $(12,432)    $30,807,551
                             ===========   ========    ========     ===========

December 31, 1995:

U.S. Treasury obligations
and obligations of U.S.
government agencies          $ 8,910,313   $200,012    $ (3,628)    $ 9,106,697
                             ===========   ========    ========     ===========

        The gross  realized gains on sale of  available-for-sale  securities for
the years ending December 31, 1996, 1995 and 1994 totaled $212,160,  $23,958 and
$5,821,  respectively,  and the gross  realized  losses  totaled $0,  $5,554 and
$2,430,  respectively.  The net  adjustment  to  unrealized  gains  (losses)  on
available-for-sale  securities included as a separate component of stockholders'
equity totaled $(197,546) in 1996, $367,124 in 1995 and $(226,110) in 1994.

        Included  in cash  equivalents  at December  31,  1996 is  approximately
$4,383,000  related to investments in money market funds.  At December 31, 1995,
this amount totaled $27,272,000.




                                                        46

<PAGE>


                       SYNAPTIC PHARMACEUTICAL CORPORATION
                   NOTES TO FINANCIAL STATEMENTS--(Continued)
                                December 31, 1996


Note 3 -- Collaborative Research Agreements

        The Company is engaged in four collaborative research agreements,  three
of which  account for all of its contract and license  revenues.  Details of all
four of these agreements are as follows:

        Eli Lilly and Company.  In January  1991,  the Company and Eli Lilly and
Company  ("Lilly")  entered  into an  agreement  to promote  the  discovery  and
development of serotonin receptor  subtype-selective  drugs for the treatment of
serotonin-related  disorders.  The original term of the  collaboration  was four
years, but was extended in January 1995 for an additional  four-year  period. In
October  1996,  the size of the  collaboration  was  increased.  As part of this
agreement,  Lilly is  providing  funding to the  Company to support a  specified
number  of  the  Company's  scientists  who  conduct  research  as  part  of the
collaboration.

        Revenue  recognized  in the  accompanying  financial  statements  is not
subject to  repayment.  Lilly  will also  provide  the  Company  with  milestone
payments and royalties on sales of any products resulting from the collaboration
for a period of time based upon the term of the related patents.

        During  1996,  1995  and  1994,  the  Company   recognized   $2,011,000,
$1,960,000, and $1,903,000, respectively, in revenue under this agreement.

        Merck & Co., Inc. In November  1993, the Company and Merck and Co., Inc.
("Merck") entered into an agreement pursuant to which they agreed to collaborate
in the identification and development of alpha-1a  antagonists,  principally for
the treatment of BPH. The initial term of the  collaboration was three years. In
October  1996,  the term of the  collaboration  was extended  for an  additional
one-year period. Under the terms of the agreement, Merck is providing funding to
the  Company to  support a  specified  number of the  Company's  scientists  who
conduct research as part of the collaboration. In addition, Merck is required to
pay royalties on sales of any products  resulting from the  collaboration and is
required to make payments upon the achievement of certain milestones.

        As part of the  collaboration,  Merck  received an  exclusive  worldwide
license to use the Company's  alpha  adrenergic  drug discovery  systems for the
development  and  commercialization  of  alpha-1a  antagonists,  as  well  as an
exclusive  worldwide  license under several of the Company's related patents and
patent applications.  The Company retained the right to use its alpha adrenergic
technology for the development of alpha adrenergic and other agents that are not
alpha-1a antagonists.

        Merck has the right to terminate the Merck Agreement at any time upon 90
days' prior written notice. In the event of any such termination, Merck will not
be required to provide the Company with any  research  funding that has not come
due prior to such termination or make certain other payments to the Company that
have not come due prior to such termination.

        During  1996,  1995  and  1994,  the  Company  recognized  approximately
$3,613,000,  $1,477,000  and  $1,556,000,  respectively,  in revenue  under this
agreement.

        At December 31, 1996 and 1995, the Company had a receivable amounting to
approximately  $192,000 and  $129,000,  respectively,  for certain  reimbursable
expenditures incurred during the respective periods.

                                                        47

<PAGE>


                       SYNAPTIC PHARMACEUTICAL CORPORATION
                   NOTES TO FINANCIAL STATEMENTS--(Continued)
                                December 31, 1996


        Novartis  Pharma  A.G. (a  subsidiary  of the  successor-in-interest  of
Ciba-Geigy  Limited).  In  August  1994,  the  Company  and  Ciba-Geigy  Limited
("Ciba-Geigy")  entered  into an  agreement  pursuant  to which  they  agreed to
collaborate in the  identification  and  development of neuropeptide Y drugs for
the  treatment  of  obesity  and  eating  disorders,  as well as  cardiovascular
disorders.  In May  1996,  the  Company  and  Ciba-Geigy  entered  into a second
agreement and an amendment to the first agreement  pursuant to which the term of
the  collaboration  was extended by one year and the scope of the  collaboration
was  expanded to provide for  research on  additional  targets for the design of
drugs for the  treatment  of obesity and eating  disorders.  In  December  1996,
Ciba-Geigy and Sandoz Limited consolidated to form a new company, Novartis A.G.,
the  pharmaceutical  subsidiary of which is Novartis  Pharma A.G.  ("Novartis").
Novartis   assumed   Ciba-Geigy's   rights  and  obligations   relating  to  the
collaboration.  The term of the collaboration will expire on August 4, 1998, but
may be further  extended  by mutual  agreement  of the  parties.  As part of the
agreements,  Novartis is providing funding to the Company to support a specified
number  of  the  Company's  scientists  who  conduct  research  as  part  of the
collaboration.  In return for this  research  support,  the  Company has granted
Novartis an exclusive  world-wide  license to use the Company's  neuropeptide  Y
technology  to  develop,  manufacture  and  sell  compounds  that  work  through
neuropeptide  Y  receptor  subtypes  for the  treatment  of  obesity  and eating
disorders.  Novartis is also  required to provide  the  Company  with  milestone
payments  and   royalties  on  sales  of  any   products   resulting   from  the
collaboration.

        During August 1994,  Novartis made a $7,500,000 equity investment in the
Company.  During December 1995,  Novartis made an additional  $2,000,000  equity
investment  in the Company,  bringing  its  aggregate  ownership of  outstanding
shares at December 31, 1996 to 9.1%.

        During  1996,  1995  and  1994,  the  Company  recognized  approximately
$3,319,000,  $4,234,000  and  $1,304,000,  respectively,  in revenue  under this
agreement.

        At December 31, 1995, the Company had recorded approximately $821,000 in
deferred  revenue  representing  advance funding for research to be performed in
the first quarter of 1996.

        The DuPont Merck  Pharmaceutical  Company. In February 1996, the Company
and The DuPont Merck  Pharmaceutical  Company  ("DuPont  Merck") entered into an
agreement  pursuant to which the Company  granted  DuPont  Merck a  nonexclusive
license to use certain of the Company's alpha adrenergic drug discovery  systems
for the development of alpha adrenergic subtype-selective drugs. Under the terms
of the  agreement,  DuPont  Merck will screen its  chemical  libraries  for lead
compounds  that may  subsequently  be  optimized by DuPont Merck or Synaptic for
chosen therapeutic applications. The initial term of the license is two years.

        As part of the  agreement,  DuPont  Merck will  provide the Company with
milestone  payments and  royalties on sales of any products  resulting  from the
collaboration  for a period of time based upon the term of related  patents.  In
the event the Company optimizes and develops,  independently or in collaboration
with other pharmaceutical companies,  compounds identified in the collaboration,
it is required to pay DuPont Merck drug development  milestones and royalties on
sales with respect to such drugs.



                                                        48

<PAGE>


                       SYNAPTIC PHARMACEUTICAL CORPORATION
                   NOTES TO FINANCIAL STATEMENTS--(Continued)
                                December 31, 1996


Note 4 -- Property and Equipment

        Property and equipment consists of the following as of December 31, 1996
and 1995:

                                                   1996           1995
                                                ----------     ---------- 
Scientific equipment                            $2,960,011     $2,036,843
Furniture and fixtures                             183,902        171,452
Office equipment                                   432,941        383,509
Leasehold improvements                           1,224,850      1,168,550
Software                                            99,540         47,700
Equipment under capitalized leases                 658,077        658,077
                                                ----------     ---------- 
                                                 5,559,321      4,466,131
Accumulated depreciation and amortization       (2,895,192)    (2,233,713)
                                                ----------     ---------- 
                                                $2,664,129     $2,232,418
                                                ==========     ==========

Note 5 -- Capital Leases

        The  Company and a bank are parties to a master  lease  agreement  under
which  $112,000 in  securities  in the Company's  investment  account,  which is
maintained by the bank, was restricted as to use at December 31, 1996.

        In connection with this master lease, the Company leased  laboratory and
computer  equipment with a cost basis of $658,077 under capital leases, the last
of which will expire on December 5, 1997.  The  effective  interest  rate on the
leases  approximates  10.5%.  The assets are being  depreciated over the related
lease terms.  At the end of each lease term, the Company can exercise a purchase
option to acquire the  equipment  under capital lease at a price equal to 10% of
the original cost of such equipment.

        Minimum  future lease payments under these capital leases as of December
31, 1996, are as follows:


Year ending December 31, 1997                            $112,585
Less amount representing interest                          (6,113)
                                                         --------
Present value of minimum lease payments                  $106,472
                                                         ========



        Accumulated amortization on leased equipment as of December 31, 1996 and
1995 was $622,882 and $499,125, respectively.




                                                        49

<PAGE>


                       SYNAPTIC PHARMACEUTICAL CORPORATION
                   NOTES TO FINANCIAL STATEMENTS--(Continued)
                                December 31, 1996


Note 6 -- Stockholders' Equity

        Common Stock. In December 1995, the Company  completed an initial public
offering of 2,000,000  shares of its common  stock.  During  January  1996,  the
underwriters  of the initial  public  offering  exercised  their  over-allotment
option to purchase an additional  213,000 shares of common stock. As part of the
initial public  offering,  the then existing  convertible  redeemable  preferred
stock automatically converted into 4,928,382 shares of common stock.

        In connection with the sale of certain convertible  redeemable preferred
stock which was  converted  into common stock upon  completion  of the Company's
initial public offering,  the placement agents of certain convertible redeemable
preferred  stock received  warrants to purchase  192,458 shares of the Company's
common stock at an exercise price of $9.50 per share. During May 1996, 48,114 of
these warrants were  exercised.  At December 31, 1996,  144,344 shares of common
stock were reserved for issuance upon exercise of the remaining  warrants  which
have an expiration date of January 19, 1998.

        Stockholders'  Rights Plan. In November  1995,  the  Company's  Board of
Directors  approved  the  adoption of a  stockholders'  rights plan (the "Rights
Plan").  The Rights Plan provides for the  distribution of one right (a "Right")
with respect to each share of outstanding  common stock and any new issuances of
common stock.  Upon  completion of the initial public offering in December 1995,
the Board of Directors designated Series A Junior Participating  Preferred Stock
and  declared a dividend of one Right with respect to each share of common stock
outstanding. Each Right will become exercisable to purchase from the Company, at
an  exercise  price  of  $160.00,  1/1000th  of  a  share  of  Series  A  Junior
Participating  Preferred Stock or that number of shares of common stock having a
market  value  equal to two times the  exercise  price of the Right.  The Rights
generally  become  exercisable for the Series A Junior  Participating  Preferred
Stock ten days following the announcement by any person or group of an intention
to make a tender offer or exchange offer,  the consummation of which would cause
any person or group to become the owner of 15% or more of the outstanding common
stock, and generally become  exercisable for common stock ten days following the
acquisition  by any person or group of more than 15% of the  outstanding  common
stock.  The Rights will expire in the year 2005.  The Rights Plan may discourage
certain types of transactions involving an actual or potential change in control
of the Company.

        Each  1/1000th  of a share of  Series A Junior  Participating  Preferred
Stock will have one vote. Each share of Series A Junior Participating  Preferred
Stock will be entitled to a preferential  quarterly  dividend per share equal to
the larger of (i) an amount equal to any  dividend  declared on the common stock
and (ii) $.00025.  Additionally, in the event of a liquidation, each 1/1000th of
a share of the Series A Junior  Participating  Preferred Stock would be entitled
to a preferential liquidation payment equal to $0.01 plus an amount equal to the
amount that would be distributed with respect to each share of common stock.

        Preferred  Stock.  The Company is  authorized  to issue up to  1,000,000
shares of preferred  stock,  200,000 of which is  designated  as Series A Junior
Participating  and 800,000 of which is  undesignated.  The Board of Directors is
authorized to provide for the issuance of preferred stock in one or more classes
or series and to fix the number of shares constituting any such class or series,
and the voting powers,  designations,  preferences and relative,  participating,
optional or other special rights and qualifications, limitations or restrictions
thereof,  including the dividend  rights,  dividend  rate,  terms of redemption,
redemption price or

                                                       50

<PAGE>


                       SYNAPTIC PHARMACEUTICAL CORPORATION
                   NOTES TO FINANCIAL STATEMENTS--(Continued)
                                December 31, 1996


prices, conversion rights and liquidation preferences of the shares constituting
any class or series,  without any further vote or action by the  shareholders of
the Company.


Note 7 -- Incentive/Stock Plans

        The  Company  currently  has  three  stock  incentive  plans;  the  1996
Incentive Plan (the "1996 Plan"),  the 1988 Amended and Restated  Incentive Plan
(the "1988 Plan" and,  together with the 1996 Plan, the  "Incentive  Plans") and
the 1996 Nonemployee Director Stock Option Plan (the "Director Plan").

        The  Company  has  elected  to follow APB No. 25 in  accounting  for its
employee stock options  because,  as discussed below, the alternative fair value
accounting provided for under Financial Accounting Standards Board Statement No.
123 "Accounting for Stock-Based  Compensation"  ("SFAS No. 123") requires use of
option  valuation  models that were not  developed  for use in valuing  employee
stock  options.  Under  APB No.  25,  compensation  expense  is  required  to be
recognized when the exercise price of the Company's employee stock options is at
a price below the market price of the underlying stock on the date of grant.

        Incentive Plans. The 1996 Plan and the 1988 Plan were adopted in October
1995 and June 1988, respectively. Under both plans, a committee of the Company's
Board  of  Directors  (the  "Committee")  approves  the sale of  shares  and the
granting of nonstatutory or incentive stock options. In addition, under the 1996
Plan,  the  committee  may grant  stock  appreciation  rights to  employees  and
consultants of the Company. The purchase price for shares and the exercise price
of options are  determined by the  Committee  (although,  the exercise  price of
incentive  stock options may be no less than the fair market value of the common
stock on the date of grant). The 1996 Plan replaced the 1988 Plan,  effective as
of January 1, 1996,  with respect to all future  stock and option  awards by the
Company to its employees and consultants.

        In  general,  options  granted  under the  Incentive  Plans  vest over a
four-year  period.  Unvested  options  are  forfeited  upon  termination  of the
employee or consulting  relationship.  Vested options, if not exercised within a
specified  period  of  time  following  the  termination  of the  employment  or
consulting relationship,  are also forfeited.  Options generally expire 10 years
from the date of grant.  Shares of common stock sold under the  Incentive  Plans
are also generally subject to vesting. Unvested shares of common stock which are
sold under the Incentive Plans may be repurchased by the Company, at its option,
at the original  sale price upon  termination  of the  employment  or consulting
relationship of the holder with the Company.  Options granted and shares sold to
employees  under the  Incentive  Plans  generally  become  fully vested upon the
occurrence  of a change in control of the  Company  (as  defined) if the holders
thereof are terminated in connection  with such change in control other than for
cause (as  defined).  The maximum  number of shares  subject to the 1996 Plan is
1,100,000.  At December 31, 1996,  681,738  shares  remain  available for future
awards  under the 1996 Plan.  As of December  31,  1996,  no stock  appreciation
rights had been awarded under the 1996 Plan.

        Director  Plan.  The Director Plan was adopted by the Board of Directors
in March 1996 and approved by the  stockholders in June 1996. In general,  under
the Director Plan,  each  nonemployee  director of the Company is  automatically
granted an option on the date that he or she first becomes a member of the Board
of Directors.  In addition,  on June 1 of each year,  commencing  in 1997,  each
nonemployee director is granted an additional option to purchase 2,500 shares of
common stock at an exercise price equal to the fair market

                                                        51

<PAGE>


                       SYNAPTIC PHARMACEUTICAL CORPORATION
                   NOTES TO FINANCIAL STATEMENTS--(Continued)
                                December 31, 1996


value on the date of grant. The maximum number of shares subject to the Director
Plan is 250,000.  In general,  options  granted  under the Director  Plan become
exercisable as to 1/24th of the total number of shares subject to the option for
each calendar month elapsed after the date of the option grant.  In the event of
a change in control of the Company (as  defined) or the death or  disability  of
the optionee,  any unvested  portion of the options will become  exercisable  in
full.  Options  granted under the Director Plan will expire upon the earliest to
occur of the  following:  (a) the expiration of ten years from the date of grant
of the option,  (b) one year after the  optionee  ceases to be a director of the
Company by reason of death or disability  of the  optionee,  or (c) three months
after the date the  optionee  ceases to be a  director  of the  Company  for any
reason other than death or disability.

        Option  activities  under the Incentive  Plans and the Director Plan are
detailed in the following table:

                                                                      Weighted
                                                                       Average
                                    1996        1988      Director  Option Price
                                    Plan        Plan       Plan      Per Share
                                   -------      ------     ------     --------
Outstanding at January 1, 1994          --     226,179         --       $ 1.76
Granted                                 --     105,066         --       $ 1.78
Exercised                               --       (225)         --       $ 1.76
Forfeited                               --     (3,675)         --       $ 1.76
                                   -------      ------     ------       ------
Outstanding at December 31, 1994        --     327,345         --       $ 1.77
Granted                                 --      36,328         --       $ 2.00
Exercised                               --    (11,125)         --       $ 1.76
Forfeited                               --    (12,773)         --       $ 1.77
                                   -------      ------     ------       ------
Outstanding at December 31, 1995        --     339,775         --       $ 1.79
Granted                            443,762          --     17,500       $13.24
Exercised                          (2,500)    (45,626)         --       $ 1.77
Forfeited                         (25,500)     (2,638)         --       $11.26
                                   -------      ------     ------       ------
Outstanding at December 31, 1996   415,762     291,511     17,500       $ 8.55
                                   =======     =======     ======       ======

Exercisable at December 31, 1996     8,375     189,549      5,034       $ 2.72
                                   =======     =======     ======       ======
Exercisable at December 31, 1995        --     184,125         --       $ 1.76
                                   =======     =======     ======       ======
Exercisable at December 31, 1994        --     149,555         --       $ 1.76
                                   =======     =======     ======       ======




                                                        52

<PAGE>


                       SYNAPTIC PHARMACEUTICAL CORPORATION
                   NOTES TO FINANCIAL STATEMENTS--(Continued)
                                December 31, 1996


        At December 31, 1996,  for each of the  following  classes of options as
determined   by   range   of   exercise   price,   the   information   regarding
weighted-average  exercise  prices and  weighted-average  remaining  contractual
lives of each said class is as follows:


                                           Weighted                    Weighted
                             Weighted       Average                     Average
                              Average      Remaining                   Exercise
                              Exercise    Contractual    Number Of      Price of
                 Number Of   Price of       Life Of       Options       Options
                  Options    Outstanding  Outstanding    Currently    Currently
 Option Class   Outstanding   Options       Options     Exercisable  Exercisable
 ------------   -----------   -------       -------     -----------  -----------
Prices ranging
 from
$1.76 - $2.00      307,011     $ 1.80     6.0 years       189,675        $ 1.77

Prices ranging
 from
$10.125 - $13.00   236,262     $11.67     9.9 years            --            --

Prices ranging
 from              181,500     $16.57     9.3 years        13,283        $16.75
$16.50 - $16.75


        The following  table discloses for each of the years ending December 31,
1996 and 1995, the number of options granted net of same-year  forfeitures,  the
weighted-average fair values and the weighted-average  exercise prices for those
options with exercise  prices that equaled or were less than the market price of
the common  stock on the date of grant.  There were no options  granted  with an
exercise price above the market price of the common stock on the date of grant.


                                    1996                      1995
                      ---------------------------   --------------------------- 
                       Number                         Number
                         of      Fair    Exercise      of        Fair   Exercise
                      Options    Value    Price      Options     Value    Price
                      -------    -----    -----      -------     -----    -----
Exercise price
 equals market price   414,262  $ 5.75    $13.80         --        --      --

Exercise price less
 than market price     20,500   $14.44    $ 3.34       35,678   $5.12   $1.97


        During 1995 and 1994,  the Company sold shares of common stock under the
1988 Plan totaling 8,810 and 14,305, respectively,  at prices ranging from $1.76
to $2.00 per share.  At December  31,  1996,  8,773 of the shares sold under the
1988 Plan remain  subject to repurchase at an aggregate  price of  approximately
$16,000.

        Other  Disclosures.  Pro forma  information  regarding  net  income  and
earnings  per share is required by SFAS No. 123, and has been  determined  as if
the Company had been  accounting  for its employee  stock options under the fair
value method of SFAS No. 123. The fair value for these  options was estimated at
the date of grant using a Black-Scholes  option pricing model with the following
assumptions for 1996 and 1995, respectively: weighted average risk-free interest
rates of 6.34% and 6.50%;  no  dividends;  volatility  factors  of the  expected
market  price of the  Company's  common  stock of .352;  and for both  periods a
weighted-average  expected  life of the options of 5 years.  Options  granted in
1995 were issued prior to the initial public offering.

                                                        53

<PAGE>


                       SYNAPTIC PHARMACEUTICAL CORPORATION
                   NOTES TO FINANCIAL STATEMENTS--(Continued)
                                December 31, 1996


        The  Black-Scholes  option  valuation  model  was  developed  for use in
estimating the fair value of traded  options which have no vesting  restrictions
and are fully  transferable.  In addition,  option  valuation models require the
input of highly  subjective  assumptions  including  the  expected  stock  price
volatility.  Because the Company's  employee stock options have  characteristics
significantly different from those of traded options, and because changes in the
subjective input assumptions can materially  affect the fair value estimate,  in
management's  opinion, the existing models do not necessarily provide a reliable
single measure of the fair value of its employee stock options.

        For purposes of pro forma  disclosures,  the estimated fair value of the
options is amortized to expense over the options' vesting period.  The Company's
pro forma information follows:

                                             1996                  1995
                                          ----------            ----------
Pro forma net loss                       ($2,847,122)          ($3,380,614)

Pro forma loss per share                      ($0.38)               ($4.78)


        The pro forma  information  above is not likely to be  representative of
the  effects on  reported  net loss for future  years as options  are  generally
granted each year and vest over several years.

        For certain  options  granted  during  1996,  the  Company has  recorded
pursuant to APB No. 25 approximately  $388,000 of deferred  compensation expense
representing  the  difference  between the exercise price thereof and the market
value of the common stock as of the date of grant. This compensation  expense is
amortized  over the  vesting  period of each  option  granted.  Amortization  of
deferred  compensation  under the  Incentive  Plans  amounted  to  approximately
$179,000  and  $86,000  during  1996  and  1995,   respectively.   In  addition,
approximately  $121,000 of deferred  compensation as it relates to the Incentive
Plans was reversed during 1996 due to the forfeiture of the unvested options.


Note 8 -- Income Taxes

        The liability method is used in accounting for income taxes.  Under this
method,  deferred tax assets and liabilities are determined based on differences
between  financial  reporting  and tax bases of assets and  liabilities  and are
measured  using the  enacted  tax rates and laws that will be in effect when the
differences are expected to reverse.

        At December  31,  1996 and 1995,  the  Company  had net  operating  loss
carryforwards of approximately  $21,000,000 and $19,000,000,  respectively,  for
Federal  income tax  purposes  that will  expire  principally  in the years 2002
through  2011.  In addition,  the Company had research  and  development  credit
carryforwards  which will expire principally in 2002 through 2009. For financial
reporting  purposes,  a valuation  allowance  has been  recognized to offset the
deferred  tax assets  related  to these  carryforwards.  Due to the  limitations
imposed by the Tax Reform Act of 1986,  and as a result of a significant  change
in the Company's ownership in 1993, the utilization of approximately  $6,000,000
of net  operating  loss  carryforwards  is  subject  to annual  limitation.  The
utilization of the research and development credits is similarly limited.

                                                        54

<PAGE>


                       SYNAPTIC PHARMACEUTICAL CORPORATION
                   NOTES TO FINANCIAL STATEMENTS--(Continued)
                                December 31, 1996


        A reconciliation  of the Company's income tax expense  (benefit) at U.S.
federal  statutory  tax rates to  recorded  income tax expense  (benefit)  is as
follows:


                                      1996         1995          1994
                                  ----------   -----------   -----------
Tax at U.S. statutory rates       $ (895,000)  $(1,145,000)  $(1,879,000)
State income taxes                  (156,000)     (200,000)     (328,000)
Research and development credit           --            --      (330,000)
Other                                  8,000        37,000        23,000
Valuation allowance recorded       1,043,000     1,308,000     2,514,000
                                  ----------   -----------   -----------
    Recorded tax provision        $       --   $        --   $        --
                                  ==========   ===========   ===========

        Significant  components  of the  Company's  deferred  tax  assets  as of
December 31, 1996 and 1995 are as follows:


                                        1996                 1995
                                    ------------          ----------- 
Deferred tax assets:
Net operating loss
 carryforwards                      $  8,579,000          $ 7,643,000
Research and development
 credit carryforwards                  1,500,000            1,500,000
Book over tax amortization               271,000              164,000
                                    ------------          ----------- 
    Total deferred tax assets         10,350,000            9,307,000
Valuation allowance                 $(10,350,000)         $(9,307,000)
                                    ------------          ----------- 
Net deferred tax assets                       --                   --
                                    ============          ===========


Note 9 -- Commitments

        The Company leases  facilities  under an agreement  expiring on December
31, 1999.

        Rent  expense  for the years  ended  December  31,  1996,  1995 and 1994
approximated  $674,000,  $654,000,  and  $544,000,  respectively,  and  included
executory  costs of $93,000,  $80,000 and  $66,000,  respectively.  In November,
1996,  a standby  letter of credit for  $580,000 was issued to the landlord as a
security deposit (expires November, 1997). The Company is to renew the letter of
credit  annually  during the  duration of the lease.  As of December 31, 1996, a
bank imposed  restriction  has been placed on $600,000 in securities held in the
Company's investment account to secure the letter of credit.


                                                        55

<PAGE>


                       SYNAPTIC PHARMACEUTICAL CORPORATION
                   NOTES TO FINANCIAL STATEMENTS--(Continued)
                                December 31, 1996


        As of December 31, 1996,  future minimum annual payments under the lease
are as follows:


1997                                         $  691,000
1998                                            691,000
1999                                            691,000
                                             ----------
                                             $2,073,000
                                             ==========

        The lease  includes an  escalation  clause which  provides for increased
payments tied to increases in the Consumer Price Index.

        The Company is a party to two  license  agreements  with major  research
universities. Under the terms of the agreements, the Company received world-wide
non-exclusive  licenses  under patents issued in December 1980 and January 1991,
which patents  expire in 1997 through 2008. One of these  agreements  requires a
$10,000 annual payment.  The Company is also committed under these agreements to
pay  royalties  on future net sales of  products  employing  the  technology  or
falling under claims of the patents covered by these agreements.

        The Company has an employment agreement with its Chairman, President and
Chief Executive Officer which provides for severance  payments of up to one year
of  base  salary  upon  the  occurrence  of  certain  events,   including  early
termination and termination upon a change in control, as defined. In addition to
severance  payments,  under  certain  circumstances,  the  agreement  calls  for
immediate vesting of any unvested shares of common stock and stock options.

        At December 31, 1996, the Company had entered into  agreements with each
of its Senior Vice President and Chief Financial Officer,  Senior Vice President
for  Research  and  Development,  Vice  President  and General  Counsel and Vice
President  of  Business  Development  which  provide for  severance  payments in
amounts equal to 50% of annual base salary,  on substantially  the same terms as
stated  above.  In addition  to  severance,  under  certain  circumstances,  the
agreements call for immediate vesting of any unvested shares of common stock and
stock options.

        At December 31, 1996, the Company had committed approximately $1,800,000
to provide  for  increased  capacity in the  Company's  assay  systems,  certain
improvements  in data base  management and the  construction  and equipping of a
laboratory related to the expansion in the Lilly collaboration.  During 1997, it
is likely that the Company will commit additional resources for the construction
and equipping of additional laboratory space.


Note 10 -- Employee Benefit Plans

        The Company established a defined contribution  employee retirement plan
(the "Plan")  effective  January 1, 1990,  conforming  to Section  401(k) of the
Internal Revenue Code ("IRC"). All eligible employees

                                                        56

<PAGE>


                       SYNAPTIC PHARMACEUTICAL CORPORATION
                   NOTES TO FINANCIAL STATEMENTS--(Continued)
                                December 31, 1996


with six months service may elect to have a portion of their salary deducted and
contributed  to the Plan up to the  maximum  allowable  limitations  of the IRC.
Effective January 1, 1996, the Company increased its matching  contribution from
25% to 50% of each  participant's  contribution  up to the  first  5% of  annual
compensation  (as defined)  with a maximum  employer  contribution  of 2.5% of a
participant's  compensation.  The Company's matching portion,  which amounted to
approximately  $103,000,  $42,300 and $40,400 for the years ended  December  31,
1996, 1995 and 1994, respectively, vests over a six-year period.

        The Company currently provides medical, dental, long-term disability and
life  insurance  benefits  for its  full-time  employees.  The Company  does not
presently provide any post-retirement health benefits.


Note 11 -- Related Party Transactions

        On June 14, 1994, an executive officer was advanced $400,000,  evidenced
by a  secured  note  bearing  interest  at an  annual  rate of 6.7%.  The  note,
including interest thereon, was repaid in full during December 1994.

                                                        57

<PAGE>



Item 9.  Changes in and Disagreements with Accountants on Accounting and
         Financial Disclosure

         None.






                                                        58

<PAGE>



                                    Part III


Item 10.  Directors and Executive Officers of the Registrant

    The information  required by this item is  incorporated  herein by reference
from  the   information   under  the  captions   "ELECTION  OF  DIRECTORS"   and
"COMPENSATION AND OTHER INFORMATION  CONCERNING OFFICERS,  DIRECTORS AND CERTAIN
STOCKHOLDERS" contained in the Proxy Statement.


Item 11.  Executive Compensation

    The information  required by this item is  incorporated  herein by reference
from the  information  under the  caption  "COMPENSATION  AND OTHER  INFORMATION
CONCERNING OFFICERS,  DIRECTORS AND CERTAIN STOCKHOLDERS" contained in the Proxy
Statement.


Item 12.  Security Ownership of Certain Beneficial Owners and Management

    The information  required by this item is  incorporated  herein by reference
from the information under the caption "SECURITY OWNERSHIP OF CERTAIN BENEFICIAL
OWNERS AND MANAGEMENT" contained in the Proxy Statement.


Item 13.  Certain Relationships and Related Transactions

    The information  required by this item is  incorporated  herein by reference
from the  information  under the  caption  "COMPENSATION  AND OTHER  INFORMATION
CONCERNING OFFICERS,  DIRECTORS AND CERTAIN STOCKHOLDERS" contained in the Proxy
Statement.



                                                        59

<PAGE>



                                     Part IV


Item 14.  Exhibits, Financial Statement Schedules and Reports on Form 8-K

(a)     (1)    Financial Statements

    Reference is made to the Index to Financial Statements under Item 8, Part II
hereof.


        (2)    Financial Statement Schedules

    The Financial  Statement  Schedules have been  intentionally  omitted either
because they are not required or because the  information  has been  included in
the notes to the Financial Statements included in this Report on Form 10-K.


        (3)    Exhibits


Exhibit
No.               Description

   3.1(a)         Amended  and  Restated  Certificate  of  Incorporation  of the
                  Company, filed December 19, 1995 (incorporated by reference to
                  Exhibit 3.1(a) to the Company's  Quarterly Report on Form 10-Q
                  filed for the quarter  ended June 30,  1996,  Commission  File
                  Number 0-27324)
   3.1(b)         Certificate of Designations  of Series A Junior  Participating
                  Preferred  Stock  filed  December  19, 1995  (incorporated  by
                  reference to Exhibit 3.1(b) to the Company's  Quarterly Report
                  on Form 10-Q filed for the quarter  ended  December  31, 1995,
                  Commission File Number 0-27324)
   3.1(c)         Certificate   of   Amendment   of  the  Amended  and  Restated
                  Certificate  of  Incorporation  of the Company,  filed June 5,
                  1996  (incorporated  by  reference  to  Exhibit  3.1(c) to the
                  Company's  Quarterly Report on Form 10-Q filed for the quarter
                  ended June 30, 1996, Commission File Number 0-27324)
       3.2        Amended and  Restated  By-Laws of the  Company,  as amended on
                  June 4, 1996  (incorporated by reference to Exhibit 3.2 to the
                  Company's  Quarterly Report on Form 10-Q filed for the quarter
                  ended June 30, 1996, Commission File Number 0-27324)
       4.1        Specimen  of  Certificate  of  Common  Stock  of  the  Company
                  (incorporated  by  reference  to  Exhibit  4 to the  Company's
                  Registration  Statement  on Form S-1, as amended  (File Number
                  33-98366), which became effective on December 13, 1995)


                                                        60

<PAGE>




       4.2        Rights  Agreement  dated as of December 11, 1995,  between the
                  Company and Chase Mellon Shareholder Services, as Rights Agent
                  (incorporated  by  reference  to Exhibit 4.2 to the  Company's
                  Annual  Report on Form 10-K  filed for the  fiscal  year ended
                  December 31, 1995, Commission File Number 0-27324)
     *10.1        Research, Option and License Agreement dated as of January 25,
                  1991,  between  the  Company  and Eli  Lilly and  Company,  as
                  amended by Addendum dated as of January 1, 1995  (incorporated
                  by  reference to Exhibit  10.1 to the  Company's  Registration
                  Statement  on Form S-1,  as amended  (File  Number  33-98366),
                  which became effective on December 13, 1995)
     *10.2        Research  Collaboration  and  License  Agreement  dated  as of
                  November 30, 1993,  between the Company and Merck & Co., Inc.,
                  as amended by  Amendment  No. 1 dated as of February 15, 1995,
                  and as modified by the Letter  Agreement dated August 25, 1995
                  (incorporated  by reference  to Exhibit 10.2 to the  Company's
                  Registration  Statement  on Form S-1, as amended  (File Number
                  33-98366), which became effective on December 13, 1995)
     *10.3        Research  and  License  Agreement  dated as of August 4, 1994,
                  between     the     Company     and     Ciba-Geigy     Limited
                  (predecessor-in-interest  of  Novartis  A.G.,  the  parent  of
                  Novartis  Pharma A.G.)  (incorporated  by reference to Exhibit
                  10.3 to the Company's  Registration  Statement on Form S-1, as
                  amended  (File Number  33-98366),  which  became  effective on
                  December 13, 1995)
    **10.4        Collaborative Research Agreement dated as of February 5, 1996,
                  between  the  Company  and  The  DuPont  Merck  Pharmaceutical
                  Company  (incorporated  by  reference  to Exhibit  10.4 to the
                  Company's Annual Report on Form 10-K filed for the fiscal year
                  ended December 31, 1995, Commission File Number 0-27324)
     +10.5        1988  Amended  and  Restated  Incentive  Plan  of the  Company
                  (incorporated  by reference  to Exhibit 10.9 to the  Company's
                  Registration  Statement on Form S- 1, as amended  (File Number
                  33-98366), which became effective on December 13, 1995)
     +10.6        Form of Restricted  Stock  Purchase  Agreement  under the 1988
                  Amended   and   Restated   Incentive   Plan  of  the   Company
                  (incorporated  by reference to Exhibit  10.10 to the Company's
                  Registration  Statement  on Form S-1, as amended  (File Number
                  33-98366), which became effective on December 13, 1995)
     +10.7        Form of  Incentive  Stock  Option  Agreement  under  the  1988
                  Amended   and   Restated   Incentive   Plan  of  the   Company
                  (incorporated  by reference to Exhibit  10.11 to the Company's
                  Registration  Statement  on Form S-1, as amended  (File Number
                  33-98366), which became effective on December 13, 1995)
     +10.8        Form of  Non-Qualified  Stock Option  Agreement under the 1988
                  Amended   and   Restated   Incentive   Plan  of  the   Company
                  (incorporated  by reference to Exhibit  10.12 to the Company's
                  Registration  Statement  on Form S-1, as amended  (File Number
                  33-98366), which became effective on December 13, 1995)


                                                        61

<PAGE>




      10.9        Third Amended and Restated Registration Rights Agreement dated
                  as of January 19, 1993, as amended by Amendment No. 1 dated as
                  of August 4, 1994  (incorporated by reference to Exhibit 10.13
                  to the  Company's  Registration  Statement  on  Form  S-1,  as
                  amended  (File Number  33-98366),  which  became  effective on
                  December 13, 1995)
      10.10       Form of Common Stock Purchase Warrant dated as of January 1993
                  (incorporated  by reference to Exhibit  10.15 to the Company's
                  Registration  Statement  on Form S-1, as amended  (File Number
                  33-98366), which became effective on December 13, 1995)
      10.11       License Agreement dated June 3, 1991,  between the Company and
                  the  Trustees of Columbia  University  in the City of New York
                  (incorporated  by reference to Exhibit  10.16 to the Company's
                  Registration  Statement  on Form S-1, as amended  (File Number
                  33-98366), which became effective on December 13, 1995)
      10.12       License Agreement dated as of May 1, 1991, between the Company
                  and the  Board  of  Trustees  of the  Leland  Stanford  Junior
                  University  (incorporated by reference to Exhibit 10.17 to the
                  Company's Registration Statement on Form S-1, as amended (File
                  Number 33-98366), which became effective on December 13, 1995)
      10.13       Sublease Agreement dated October 31, 1991, between the Company
                  and Playtex,  Inc., as amended by the First Sublease Amendment
                  effective as of August 15, 1994  (incorporated by reference to
                  Exhibit 10.18 to the Company's  Registration Statement on Form
                  S-1, as amended (File Number 33-98366), which became effective
                  on December 13, 1995)
      10.14       Equipment  Lease  dated as of October  31,  1991,  between the
                  Company and UJB Leasing Corporation,  as amended (incorporated
                  by reference to Exhibit  10.19 to the  Company's  Registration
                  Statement  on Form S-1,  as amended  (File  Number  33-98366),
                  which became effective on December 13, 1995)
     +10.15       Executive  Employment  Agreement  effective  as of  October 1,
                  1993,  between  the  Company  and  Dr.  Kathleen  P.  Mullinix
                  (incorporated  by reference to Exhibit  10.20 to the Company's
                  Registration  Statement  on Form S-1, as amended  (File Number
                  33-98366), which became effective on December 13, 1995)
     +10.16       Employment  Agreement  dated as of February 14, 1994,  between
                  the Company and Robert I. Taber  (incorporated by reference to
                  Exhibit 10.21 to the Company's  Registration Statement on Form
                  S-1, as amended (File Number 33-98366), which became effective
                  on December 13, 1995)
     +10.17       Employment  Agreement dated as of January 1, 1994, between the
                  Company and Robert L. Spence  (incorporated  by  reference  to
                  Exhibit 10.22 to the Company's  Registration Statement on Form
                  S-1, as amended (File Number 33-98366), which became effective
                  on December 13, 1995)


                                                        62

<PAGE>




     +10.18       Employment Agreement dated as of February 7, 1994, between the
                  Company  and Lisa L.  Reiter  (incorporated  by  reference  to
                  Exhibit 10.23 to the Company's  Registration Statement on Form
                  S-1, as amended (File Number 33-98366), which became effective
                  on December 13, 1995)
     +10.19       Employment  Agreement  dated as of April 6, 1995,  between the
                  Company and Richard L. Weinshank (incorporated by reference to
                  Exhibit 10.24 to the Company's  Registration Statement on Form
                  S-1, as amended (File Number 33-98366), which became effective
                  on December 13, 1995)
      10.20       Form of Indemnification Agreement between the Company and each
                  of its executive officers and directors (incorporated by
                  reference to Exhibit 10.25 to the Company's Registration
                  Statement on Form S-1, as amended (File Number 33-98366),
                  which became effective on December 13, 1995)
     +10.21       1996 Incentive Plan of the Company (incorporated by reference
                  to Exhibit 10.21 to the Company's Annual Report on Form 10-K
                  filed for the fiscal year ended December 31, 1995, Commission
                  File No. 0-27324)
     +10.22       Incentive  Stock  Option  Agreement  dated  October  1,  1993,
                  between the Company and Kathleen P. Mullinix  (incorporated by
                  reference  to  Exhibit  10.28  to the  Company's  Registration
                  Statement  on Form S-1,  as amended  (File  Number  33-98366),
                  which became effective on December 13, 1995)
     +10.23       Incentive  Stock  Option  Agreement  dated  February 14, 1994,
                  between  the  Company  and  Robert I. Taber  (incorporated  by
                  reference  to  Exhibit  10.29  to the  Company's  Registration
                  Statement  on Form S-1,  as amended  (File  Number  33-98366),
                  which became effective on December 13, 1995)
     +10.24       Incentive  Stock  Option  Agreement  dated  February  7, 1994,
                  between  the  Company  and  Lisa L.  Reiter  (incorporated  by
                  reference  to  Exhibit  10.30  to the  Company's  Registration
                  Statement  on Form S-1,  as amended  (File  Number  33-98366),
                  which became effective on December 13, 1995)
     +10.25       Incentive  Stock Option  Agreement dated as of March 21, 1996,
                  between the Company and Kathleen P. Mullinix  (incorporated by
                  reference to Exhibit 10.25 to the Company's  Quarterly  Report
                  on Form  10-Q  filed for the  quarter  ended  March 31,  1996,
                  Commission File Number 0-27324)
     +10.26       Incentive  Stock Option  Agreement dated as of March 21, 1996,
                  between  the Company  and Robert L.  Spence  (incorporated  by
                  reference to Exhibit 10.26 to the Company's  Quarterly  Report
                  on Form  10-Q  filed for the  quarter  ended  March 31,  1996,
                  Commission File Number 0-27324)
     +10.27       Incentive  Stock Option  Agreement dated as of March 21, 1996,
                  between  the  Company  and  Lisa L.  Reiter  (incorporated  by
                  reference to Exhibit 10.27 to the Company's  Quarterly  Report
                  on Form  10-Q  filed for the  quarter  ended  March 31,  1996,
                  Commission File Number 0-27324)


                                                        63

<PAGE>




     +10.28       Nonqualified  Stock  Option  Agreement  dated as of March  21,
                  1996,   between  the   Company   and   Richard  L.   Weinshank
                  (incorporated  by reference to Exhibit  10.28 to the Company's
                  Quarterly  Report on Form 10-Q  filed  for the  quarter  ended
                  March 31, 1996, Commission File Number 0-27324)
      10.29       Form of  Incentive  Stock  Option  Agreement  under  the  1996
                  Incentive Plan  (incorporated by reference to Exhibit 10.29 to
                  the  Company's  Quarterly  Report on Form  10-Q  filed for the
                  quarter ended March 31, 1996, Commission File Number 0-27324)
      10.30       Form of  Nonqualified  Stock Option  Agreement  under the 1996
                  Incentive Plan  (incorporated by reference to Exhibit 10.30 to
                  the  Company's  Quarterly  Report on Form  10-Q  filed for the
                  quarter ended March 31, 1996, Commission File Number 0-27324)
   ***10.31       Research  and  License  Agreement  dated  as of May 31,  1996,
                  between     the     Company     and     Ciba-Geigy     Limited
                  (predecessor-in-interest  of Novartis A.G., parent of Novartis
                  Pharma A.G.)  (incorporated  by reference to Exhibit  10.31 to
                  the  Company's  Quarterly  Report on Form 10-Q/A filed for the
                  quarter ended June 30, 1996, Commission File Number 0-27324)
   ***10.32       Supplement No. 1 to Research and License Agreement dated as of
                  August 4, 1994,  between the Company  and  Ciba-Geigy  Limited
                  (incorporated  by reference to Exhibit  10.32 to the Company's
                  Quarterly  Report on Form 10-Q/A  filed for the quarter  ended
                  June 30, 1996, Commission File Number 0-27324)
      10.33       1996  Nonemployee  Director  Stock  Option Plan of the Company
                  (incorporated  by reference to Exhibit  10.33 to the Company's
                  Quarterly Report on Form 10-Q filed for the quarter ended June
                  30, 1996, Commission File Number 0- 27324)
      10.34       Form of Stock  Option  Agreement  under  the 1996  Nonemployee
                  Director  Stock  Option Plan of the Company  (incorporated  by
                  reference  to  Exhibit  A  attached  to  Exhibit  10.33 to the
                  Company's  Quarterly Report on Form 10-Q filed for the quarter
                  ended June 30, 1996, Commission File Number 0-27324)
    **10.35       Addendum No. 2 to Research, Option and License Agreement dated
                  as of October 31, 1996, between the Company and Eli Lilly and
                  Company (filed herewith)
    **10.36       Amendment No. 2 to Research Collaboration and License
                  Agreement dated as of October 9, 1996, between the Company and
                  Merck & Co., Inc. (filed herewith)
     +10.37       Incentive Stock Option Agreement dated as of December 13,
                  1996, between the Company and Kathleen P. Mullinix (filed
                  herewith)
     +10.38       Form of Incentive Stock Option Agreement dated as of December
                  13, 1996, entered into between the Company and each of Robert
                  L. Spence, Robert I. Taber, Lisa L. Reiter and Richard L.
                  Weinshank (filed herewith)


                                                        64

<PAGE>




      11          Statement Regarding Computation of Per Share Earnings (Loss)
      23.1        Consent of Independent Auditors, Ernst & Young LLP
      24          Powers of Attorney
      27          Financial Data Schedule


*     Portions of this Exhibit were omitted and confidential  treatment  thereof
      has  been  granted  by  the  Secretary  of  the  Securities  and  Exchange
      Commission  in  response  to  the  Registrant's   Application   Requesting
      Confidential Treatment under Rule 406 under the Securities Act of 1933, as
      amended.

**    Portions of this Exhibit have been omitted and filed  separately  with the
      Secretary  of the  Securities  and  Exchange  Commission  pursuant  to the
      Registrant's  Application  Requesting  Confidential  Treatment  under Rule
      24b-2 under the Securities Exchange Act of 1934, as amended.

***   Portions of this Exhibit were omitted and confidential  treatment  thereof
      has  been  granted  by  the  Secretary  of  the  Securities  and  Exchange
      Commission  in  response  to  the  Registrant's   Application   Requesting
      Confidential  Treatment under Rule 246-2 under the Securities Act of 1933,
      as amended.

+     Management contracts and compensatory plans or arrangements


(b)   Reports on Form 8-K

      There  were no  reports  on Form 8-K filed by the  Registrant  during  the
fourth quarter of the fiscal year ended December 31, 1996.


Supplemental Information

      Copies of the Registrant's Proxy Statement and copies of the form of proxy
to be used at the Annual  Meeting of  Stockholders  to be held on May 15,  1997,
will be furnished to the Securities and Exchange Commission at the time they are
distributed to the Registrant's stockholders.

                                                        65

<PAGE>



                                 SIGNATURE PAGE


      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.

                                    SYNAPTIC PHARMACEUTICAL CORPORATION

Date: March 21, 1997                By:/s/ Kathleen P. Mullinix
                                       -----------------------------------
                                    Name:    Kathleen P. Mullinix
                                    Title:   Chairman, President and Chief
                                              Executive Officer


      Pursuant to the  requirements  of the Securities Act of 1934,  this report
has been  signed by the  following  persons on behalf of the  registrant  in the
capacities and on the dates indicated.



           Signature                    Title                     Date

/s/ Kathleen P. Mullinix, Ph.D.   Chairman, President and
                                   Chief Executive Officer        March 21, 1997
- -------------------------------
Kathleen P. Mullinix                        



/s/ Robert L. Spence               Senior Vice President and 
- -------------------------------     Chief Financial Officer       March 21, 1997
Robert L. Spence                                           


                   *               Director                       March 21, 1997
- -------------------------------
Jonathan J. Fleming


                   *               Director                       March 21, 1997
- -------------------------------
Zola P. Horovitz, Ph.D.


                   *               Director                       March 21, 1997
- -------------------------------
Eric R. Kandel, M.D.


                   *               Director                       March 21, 1997
- -------------------------------
John E. Lyons


                   *               Director                       March 21, 1997
- -------------------------------
Sandra Panem


                   *               Director                       March 21, 1997
- -------------------------------
Alison Taunton-Rigby, Ph.D.


                   *               Director                       March 21, 1997
- -------------------------------
Robert Walkingshaw



* By:/s/ Kathleen P. Mullinix
     -----------------------------------
      Name:  Kathleen P. Mullinix, Ph.D.
      Title: Attorney-in-Fact

                                                        66

<PAGE>

                                                                 EXHIBIT 10.35

                                ADDENDUM NO. 2 TO
                     RESEARCH, OPTION AND LICENSE AGREEMENT

         This  Addendum No. 2,  effective as of October 31, 1996 (the  "Addendum
Effective Date"),  between ELI LILLY AND COMPANY, a corporation  organized under
the laws of the State of  Indiana,  having its  principal  place of  business at
Lilly  Corporate  Center,  Indianapolis,   Indiana  46285,  and  its  Affiliates
(hereinafter collectively called "LILLY"),
 
                                      AND

      SYNAPTIC PHARMACEUTICAL CORPORATION (formerly known as Neurogenetic
Corporation),  a corporation  organized under the laws of the State of Delaware,
having its principal place of business at 215 College Road, Paramus,  New Jersey
07652, and its Affiliates (hereinafter collectively called "SYNAPTIC").

                                    Recitals

       1. LILLY and SYNAPTIC are parties to a Research, Option and License
Agreement dated as of January 25, 1991(the "Original Agreement"),  as amended by
the Addendum to Research, Option and License Agreement,  effective as of January
1, 1995  ("Addendum  No. 1"; and,  together  with the  Original  Agreement,  the
"Current  Agreement"),  pursuant to which they have  collaborated  in a research
effort directed at certain serotonin (5-hydroxytryptamine or 5-HT) receptors and
5-HT- related disorders. Capitalized terms used and not defined in this Addendum
No. 2 have the meanings ascribed to them in the Current Agreement.

[*** CONFIDENTIAL TREATMENT REQUESTED]

                                        1

<PAGE>



         2. The Current  Agreement  requires  SYNAPTIC to devote to the Project,
and LILLY to  provide  financial  support  to  SYNAPTIC  for, a minimum of [***]
Scientific Man Years.  The parties  desire to, among other things,  increase the
minimum  level of effort  required of SYNAPTIC,  as well as the minimum level of
financial  support  required of LILLY,  subject to the terms and  conditions set
forth  below,  including  the  modification  of  certain  terms  and  conditions
contained in the Current Agreement.

         3. In addition, the parties desire to modify their economic arrangement
with respect to certain compounds,  on the terms and conditions set forth below,
including  the  modification  of certain terms and  conditions  contained in the
Current Agreement.

         NOW,  THEREFORE,  in  consideration  of the  premises  and  the  mutual
covenants hereinafter recited, the parties agree as follows:
         Section 1.  Definitions.

         (a) Modification of Definition.  The definition of "Project"  contained
in  Section  1.05 of the  Current  Agreement  is hereby  amended  to read in its
entirety as follows:
                  '"Project"  means (i) with respect to the period  beginning on
         January 25, 1991,  and ending on December  31,  1994,  the research and
         development program conducted by SYNAPTIC in the Field in collaboration
         with  LILLY  during  such  period  and (ii) with  respect to the period
         beginning  on  January  1,  1995,  the  continuation  of such  program;
         provided,  however,  that from and after January 1, 1995,  such program
         shall be limited to the  continued  provision  by  SYNAPTIC to LILLY of
         support in [***]all in accordance with Sections 2.00, 2.01 and 5.00 and
         to the extent that LILLY's license shall not have  terminated  pursuant
         to Section 6.02;  provided further,  however,  that such program may be
         expanded to include  SYNAPTIC  chemistry  resources as  contemplated by
         Section 7.00.'



[*** CONFIDENTIAL TREATMENT REQUESTED]

                                        2

<PAGE>



     (b)  Addition  of New  Defined  Terms.  There is hereby  added  immediately
following  Section 1.19 of the Current  Agreement the following new subsections:
"Section 1.20.  "5-HT4  Receptor"  means any 5-HT4 receptor that is disclosed in
U.S. Letters Patent No. 5,472,866  entitled "DNA Encoding 5-HT4a  Receptors" and
PCT International  Application  entitled "DNA Encoding 5-HT4 Serotonin Receptors
and Uses Thereof," published as WO 94/14957.

                  Section  1.21.  "Library  Compound"  means any Existing  Lilly
         Compound or New Compound included within a Lilly Library.

                  Section 1.22. "Lilly Library" means any compound library which
         (i) Lilly, or an Affiliate thereof, owns or otherwise has access to and
         (ii) is subject  to high  volume  screening  in assays  using  Existing
         Synaptic  Technology,  Project  Technology  and/or  5-HT4  Receptors at
         Lilly's Affiliate, Sphinx Pharmaceuticals,  or at other mutually agreed
         sites."


         Section 2.  Staffing, Planning and Execution of Project.
         (a)  SYNAPTIC  Effort  on  Project.   LILLY  hereby   acknowledges  its
              satisfaction to date with the  performance by SYNAPTIC of its
              obligations  with respect to the Project under Section 2.00 of the
              Current Agreement.

         Section 2.00 of the Current Agreement is hereby amended by deleting the
first two sentences  thereof in their  entirety and by inserting in lieu thereof
the following:
                  "From  January 1, 1995,  through  December 31, 1996,  SYNAPTIC
         shall  devote a minimum of [***]  Scientific  Man Years per year to the
         Project.  From  and  after  January  1,  1997,  during  the term of the
         Project,  SYNAPTIC shall devote a minimum of [***] Scientific Man Years
         per year to the  Project,  at least [***] of which shall be provided by
         scientists with Ph.D. degrees."

         Section 3.  Funding of the Project.
         (a)  Duration and Amount of Funding.  Section 3.00 of the Current
              Agreement is herebyamended to read in its entirety as follows:

[*** CONFIDENTIAL TREATMENT REQUESTED]

                                        3

<PAGE>



                  "Section  3.00.  Duration  and  Amount of  Funding.  LILLY has
         provided  SYNAPTIC with financial  support over the period from January
         1, 1991, to October 31, 1996. LILLY shall provide SYNAPTIC with further
         financial support for the Project for the period from October 31, 1996,
         through  December 31, 1998.  SYNAPTIC  shall use the funds  supplied by
         LILLY  solely for  purposes  of the  Project.  During  the period  from
         January 1, 1995,  through  December 31,  1996,  the  financial  support
         provided to SYNAPTIC  by LILLY shall be [***] per  Scientific  Man Year
         for [***]  Scientific  Man Years per year,  and during the period  from
         January 1, 1997,  through  December 31,  1998,  the  financial  support
         provided to SYNAPTIC  by LILLY shall be [***] per  Scientific  Man Year
         for [***] Scientific Man Years per year; provided,  however, that as of
         January  1 of each  year  following  1995 the  amount  of  funding  per
         Scientific  Man Year shall be increased by the  percentage  increase in
         the Bureau of Labor Statistics Consumer Price Index for Urban Consumers
         - New York, N.E. New Jersey  Metropolitan Region Price Index during the
         one-year  period  ending on the  immediately  preceding  October 1. The
         amount  per  Scientific  Man Year  shall be the  total  amount  paid to
         SYNAPTIC by LILLY for SYNAPTIC's  effort on the Project,  with SYNAPTIC
         being responsible for all wages,  supplies,  facilities,  utilities and
         all other  expenses in  connection  with the  performance  by it of its
         services for the Project."

         Section 4.  Commercial Rights.
         (a)  Exclusive  Licenses  to  LILLY.  Section  5.00(2)  of the  Current
Agreement  is hereby  amended by  deleting  the period at the end thereof and by
inserting in lieu thereof the following:
                                                      "; and"
         (b) Nonexclusive  Licenses to LILLY.  There is hereby added immediately
following Section 5.00(2) of the Current  Agreement,  as amended by Section 4(a)
above, the following new Section 5.00(3):
         "(3) grants to LILLY a nonexclusive,  worldwide,  noncancellable  right
         and  license  to use and have  used,  for the sole  purpose  of testing
         compounds, (i) Existing Synaptic Technology, Project Technology and the
         5-HT4  Receptors,  the cDNA  encoding  such  receptors,  the cell lines
         expressing such receptors and, to the extent related to such receptors,
         binding  assays  and  functional  assays and (ii) all  SYNAPTIC  patent
         rights which would be  infringed  by LILLY's  exercise of the right and
         license referred to in the foregoing clause (i); provided,

[*** CONFIDENTIAL TREATMENT REQUESTED]

                                        4

<PAGE>



         however,  that such  right and  license  does not  extend to the use of
         either of the  aforementioned  Technologies  or the 5-HT4 Receptors and
         the aforementioned related

[*** CONFIDENTIAL TREATMENT REQUESTED]

                                        5

<PAGE>



         materials   and   technology   for  the   purpose  of  the   screening,
         identification,  selection  and/or  development  of  any  compound  the
         mechanism  of action of which  involves a 5-HT4  Receptor  and does not
         involve a Project Receptor."

         Section 5.  Commercial Terms.
         Under Section 6.00 of the Current  Agreement,  Lilly is required to pay
Synaptic a running royalty of [***] of the Net Sales of each Product  comprising
any Existing Lilly Compound or New Compound,  respectively,  and to make certain
milestone  payments to  Synaptic  for each such  Compound,  subject to the other
terms and conditions  contained in the Agreement.  Lilly and Synaptic  desire to
make certain modifications to their economic arrangement with respect to certain
Existing Lilly Compounds and New Compounds.  Accordingly,  there is hereby added
to the Current Agreement the following new Section 6.00A:

         "Section  6.00A.  Payments by LILLY with respect to Certain  Compounds.
         With respect to any Product  comprising an Existing Lilly Compound or a
         New Compound  that is, or is derived  from  information  concerning,  a
         Library Compound, the provisions of Section 6.00 shall apply, except in
         the case of any of the following:

     (a) [***] If such Existing Lilly Compound or New Compound [***], then LILLY
shall not be required to pay SYNAPTIC any royalties or  milestones  with respect
thereto; provided,  however, that if such Compound is [***], then LILLY shall be
required to --------  ------- pay SYNAPTIC (A) a running royalty of [***] of the
Net  Sales of each  product  comprising  such  [***]  Compound  and (B) the same
milestone  payments  with  respect to such [***]  Compound  that LILLY  would be
required to pay SYNAPTIC with respect to any Lilly  Compound  under Section 6.00
of this Agreement.  In the event that royalties are payable by LILLY to SYNAPTIC
pursuant to this Section 6.00A(a),  the provisions regarding the computation and
term of  royalties,  the payment  thereof  and  records  and taxes with  respect
thereto  contained in this  Agreement  shall apply to such royalties to the same
extent that such  provisions  apply to royalties  payable  under Section 6.00 of
this  Agreement.  LILLY  shall not later  than  December  1, 1996,  develop  and
implement  a procedure  by which it may from time to time be readily  determined
whether any Existing  Lilly Compound or New Compound is a [***]  Compound.  Such
procedure shall be

[*** CONFIDENTIAL TREATMENT REQUESTED]

                                        6

<PAGE>



         described  in  writing  to  SYNAPTIC  prior to such  date and  shall be
         reasonably  satisfactory to it. For purposes of this Section  6.00A(a),
         the term [***].

         (b)      [***] If such Existing Lilly  Compound or New Compound  [***],
                  then LILLY shall not be required to pay SYNAPTIC any royalties
                  or milestones with respect thereto.

                  For purposes of this Section 6.00A, an Existing Lilly Compound
         or a New Compound [***].

                  The  provisions  of this Section 6.00A shall not affect in any
         way any  obligation of LILLY that arose before March 1, 1996, to pay to
         SYNAPTIC  royalties  or  milestone  payments  with respect to Products,
         Existing Lilly Compounds or New Compounds."

         Section 6. Term and  Termination.  The parties agree that Lilly's right
under Section 9.02 of the Current Agreement to terminate the Project at any time
after December 31, 1995,  upon six (6) months advance written notice to SYNAPTIC
is hereby extinguished.  Accordingly, the text of Section 9.02 is hereby deleted
in its entirety and the following is hereby inserted in lieu thereof:
                                    "[Intentionally Omitted]"

     Section 7. Counterparts. This Addendum may be executed in two counterparts,
each of which shall be an original instrument,  but both of which together shall
constitute  one  agreement.  Section 8. Effect of  Addendum.  From and after the
Addendum Effective Date, all references in the Current Agreement,  as amended or
supplemented by this Addendum, to "this

[*** CONFIDENTIAL TREATMENT REQUESTED]

                                        7

<PAGE>



Agreement,"  "hereunder,"  "hereof," "herein," or words of similar import, shall
be a reference to the Current Agreement,  as so amended or supplemented.  Except
as expressly  amended or  supplemented by this Addendum,  the Current  Agreement
shall remain in full force and effect and unchanged.



[*** CONFIDENTIAL TREATMENT REQUESTED]

                                        8

<PAGE>


         IN WITNESS  WHEREOF,  the  parties  have  caused  this  Addendum  to be
executed and  delivered as of the  Addendum  Effective  Date by their proper and
duly authorized representatives.

                       SYNAPTIC PHARMACEUTICAL CORPORATION
                       
                       By:    /s/ Kathleen P. Mullinix
                              -----------------------------------
                       Name:  Kathleen P. Mullinix
                       Title: Chairman, President
                               and Chief Executive Officer



                       ELI LILLY AND COMPANY

                       By:    /s/ 
                              ------------------------------------
                       Name:
                       Title:


[*** CONFIDENTIAL TREATMENT REQUESTED]

                                        9

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                                                                 EXHIBIT 10.36

                        AMENDMENT NO. 2 AND SUPPLEMENT TO
                  RESEARCH COLLABORATION AND LICENSE AGREEMENT


                                                              Amendment   No.  2
                                                        and Supplement dated and
                                                      effective as of October 9,
                                                          1996, between SYNAPTIC
                                                     PHARMACEUTICAL CORPORATION,
                                                          a Delaware corporation
                                                       ("SYNAPTIC"), and MERCK &
                                                         CO., INC., a New Jersey
                                                          corporation ("MERCK").

                                    Recitals

          1.  SYNAPTIC  and MERCK are  parties to a Research  Collaboration  and
     License  Agreement  dated as of November 30, 1993,  as amended by Amendment
     No. 1 dated and  effective  as of  February  15,  1995  (the  "Agreement").
     Capitalized  terms  used  and not  defined  in  this  Amendment  No.  2 and
     Supplement shall have the meanings ascribed to them in the Agreement.

         2.  Pursuant to Section 2.1 of the  Agreement,  the parties  have since
November  30,  1993,  engaged in a RESEARCH  PROGRAM  in order to  identify  and
develop COMPOUNDS useful for the treatment of BPH.

         3. The original  term of the RESEARCH  PROGRAM  expires on November 30,
1996 (the "Current Expiration Date"), but is subject to continuation on a yearly
basis upon the agreement of the parties.

         4. [***] the parties  have  determined  that it is in their mutual best
interests to continue to work together  [***] and have thus agreed to extend the
term of the RESEARCH PROGRAM beyond the Current Expiration Date.

         Accordingly,  in consideration of the premises and the mutual covenants
hereinafter set forth, the parties agree as follows:


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         Section 1.  Extension of Term of Research Collaboration.

         (a) Section 2.1 of the Agreement is hereby amended by deleting from the
last  sentence  thereof "on a yearly  basis if" and by inserting in lieu thereof
"for such period and on such other terms as may be".

         (b) The term of the  RESEARCH  PROGRAM  is hereby  extended  beyond the
Current  Expiration Date for the period (the "Extension  Period")  commencing on
December 1, 1996, and ending on November 30, 1997 (the "New  Expiration  Date").
Such term may be further  extended upon the agreement of the parties;  provided,
however,  that any such further  extension shall be on terms  acceptable to both
parties  and each party  shall  notify the other party at least 90 days prior to
the New  Expiration  Date that it is  interested  in a further  extension of the
Research Program.

         Section 2.  SYNAPTIC Effort.

          (a) Beginning on December 1, 1996,  SYNAPTIC  shall dedicate [***] man
     years to the RESEARCH PROGRAM at a cost per man year of [***]. [***].

         (b) Upon written  notification by MERCK to SYNAPTIC that [***] and upon
the written request of MERCK,  SYNAPTIC's [***] effort in the RESEARCH  PROGRAM,
as  described in  paragraph  (a) of this Section 2, shall be reduced  during the
three-month period following such request by up to [***] man years (as specified
in such  request and  determined  on an  annualized  basis) and shall be further
reduced following such three-month  period to the extent determined by the Joint
Research Team.

         (c) SYNAPTIC's  [***] effort in the RESEARCH  PROGRAM,  as described in
paragraph (a) of this Section 2, shall continue  throughout the Extension Period
and terminate on the New Expiration Date.

         (d)  Notwithstanding  anything contained herein to the contrary,  MERCK
may terminate the RESEARCH  PROGRAM at any time prior to the New Expiration Date
if it determines to terminate  MERCK's efforts to identify and develop COMPOUNDS
useful for the  treatment  of BPH in their  entirety  and  notifies  SYNAPTIC in
writing of such determination.

         Section  3.  Research  Payments.   In  consideration  of  the  research
performed in regard to COMPOUND(S) and PRODUCT, MERCK shall pay SYNAPTIC, within
30 days  following the end of each  three-month  period of the Extension  Period
(or, if the  RESEARCH  PROGRAM is  terminated  pursuant  to Section  2(d) above,
within  30 days  following  the end of the  period  beginning  on the  first day
following the last full  three-month  period and ending on the effective date of
such termination), an amount equal to (a) the number of man years devoted to the
RESEARCH  PROGRAM  during each  three-month  period (or such shorter  period) by
members of SYNAPTIC's

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[***]  departments  (such  man  years  to be  determined  for the  period  on an
annualized  basis),  multiplied  by (b) the  product  of (i)  [***]  and  (ii) a
fraction  the  numerator  of which is the number of days in such  period and the
denominator of which is 365.

          Upon any termination of the RESEARCH  PROGRAM pursuant to Section 2(d)
above, no sums shall be payable by MERCK under this Section 3 except for amounts
due or earned but not yet paid as of the effective date of such termination. The
foregoing  amounts  are in  addition  to the  amounts  that Merck has paid or is
required to pay pursuant to Article 8 of the Agreement.

         Section 4.  Effect of Amendment and Supplement.

         (a) From and after the date first written above,  all references in the
Agreement to "this AGREEMENT,"  "hereunder,"  "hereof,"  "hereof,"  "herein," or
words of similar  import,  shall be a reference to the Agreement,  as amended by
this Amendment No. 2 and Supplement.

         (b) From and after the date first written above,  all references in the
Agreement to "the RESEARCH PROGRAM" shall be a reference to the RESEARCH PROGRAM
conducted  during the period  beginning on November 30, 1993,  and ending on the
New  Expiration  Date  in  accordance   with  the  Agreement,   as  amended  and
supplemented by this Amendment No. 2 and Supplement, or such earlier date as may
be specified in a notification from MERCK to SYNAPTIC in accordance with Section
2(d) above.

        (c)  Except as expressly  amended and  supplemented  by this Amendment
No. 2 and Supplement,  the  Agreement  shall  remain  in full  force and  effect
and unchanged.


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         IN WITNESS  WHEREOF,  the parties have caused this  Amendment No. 2 and
Supplement to be executed and delivered as of the date first written above.

                                        SYNAPTIC PHARMACEUTICAL CORPORATION

                                        By:    /s/ Kathleen P. Mullinix
                                               ---------------------------
                                        Name:  Kathleen P. Mullinix
                                        Title: Chairman, President and
                                                Chief Executive Officer



                                        MERCK & CO., INC.

                                        By:    /s/
                                        Name:
                                        Title:


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                                                                EXHIBIT 10.37

                                 NONTRANSFERABLE
                        INCENTIVE STOCK OPTION AGREEMENT


                  THIS AGREEMENT, dated as of the 13th day of December, 1996, is
by and between SYNAPTIC PHARMACEUTICAL  CORPORATION, a Delaware corporation (the
"Company"),  and Kathleen P. Mullinix (the "Optionee," which term as used herein
shall be deemed to include any  successor to the Optionee by will or by the laws
of descent and distribution, unless the context shall otherwise require).

                              W I T N E S S E T H:

                  WHEREAS,  the  Company  and the  Optionee  are  parties  to an
Employment  Agreement (the "Employment  Agreement") dated as of October 1, 1993;
and

                  WHEREAS,  pursuant to the Synaptic Pharmaceutical  Corporation
1996 Incentive Plan (the "Plan"),  the Company,  acting through the Compensation
Committee (the "Committee") of its Board of Directors (the "Board"), on December
13, 1996 (the "Start Date"), granted to the Optionee an option to purchase up to
an aggregate of 25,000 shares of Common Stock,  $0.01 par value,  of the Company
(the "Common  Stock"),  at the price of $12.00 per share,  such option to be for
the term and upon the terms and conditions hereinafter stated.

                  NOW,  THEREFORE,  in  consideration of the mutual premises and
undertakings hereinafter set forth, the parties hereto agree as follows:

                  1.  Option;  Option  Price.  Pursuant  to said  action  of the
Committee,  the Company has granted to the Optionee the option (the "Option") to
purchase, upon and subject to the terms and conditions of this Agreement and the
terms and  conditions  of the Plan (which are hereby  incorporated  by reference
herein),  25,000 shares (the "Option  Shares") of Common Stock of the Company at
the price of $12.00 per share (the "Option Price"),  which Option is intended to
qualify for Federal  income tax purposes as an "incentive  stock option"  within
the meaning of Section 422 of the Internal Revenue Code of 1986, as amended (the
"Code").

     2. Term.  The term (the "Option  Term") of the Option shall commence on the
Start Date and expire on the tenth  anniversary  of the Start  Date,  unless the
Option shall  theretofore  have been  terminated  in  accordance  with the terms
hereof or of the Plan.

                  3.  Exercisability; Time of Exercise.

                  (a)  General.  Unless  accelerated  in the  discretion  of the
Committee or as otherwise  provided herein,  the Option shall become exercisable
as to 25% of the Option  Shares on January 1 of each of 1998,  1999,  2000,  and
2001; provided, however, that in the event of the termination of


                                       -1-

<PAGE>



the  Optionee's  employment  (i) as a  result  of her  death  or  legal or other
incapacity pursuant to Section 3.1.1 or 3.1.2 of the Employment Agreement,  (ii)
by the Company  pursuant to Section 3.1.4 of the  Employment  Agreement or (iii)
after a change in  control as  contemplated  by  Section  4.3 of the  Employment
Agreement, at any time prior to January 1, 2001, then the Option shall as of the
date of such  termination  become  exercisable  as to all of the Option  Shares;
provided  further,  however,  that in the event the  Optionee  retires  with the
consent of the Company any time prior to January 1, 2001,  then the Option shall
be  exercisable as to that number of Option Shares which is equal to the product
of (i) the total number of Option  Shares and (ii)  2-1/12%  times the number of
full calendar  months which shall have elapsed  during the period  commencing on
January 1, 1997, and ending on the date of the Optionee's retirement. The Option
shall remain  exercisable  as to all of such shares until the  expiration of the
Option  Term,  unless it is  terminated  earlier as provided in any of the other
paragraphs of this Section 3 or Section 6 or as provided in the Plan.

                  (b)  Termination  for Cause. If the Optionee shall cease to be
an employee of the Company as a result of a termination by the Company for cause
(as hereinafter defined),  the Option shall automatically  terminate on, and the
Optionee  shall have no further  right to exercise  the Option on or after,  the
date as of which  notice of such  termination  is given to the  Optionee  by the
Company. For purposes of this Agreement, the term "cause" shall have the meaning
ascribed thereto in Section 3.1.3 of the Employment Agreement.

                  (c) Termination  without Cause.  If the Optionee's  employment
with the Company  terminates  for any reason other than cause or the  Optionee's
death or  Disability or  Retirement  (as defined in the Plan),  the Option shall
thereafter be  exercisable  only to the extent of the purchase  rights,  if any,
which shall have accrued  pursuant to paragraph  (a) of this Section 3 as of the
date of such  termination,  and the Option and such  accrued  rights to purchase
shall in any event  terminate upon, and the Optionee shall have no further right
to exercise the Option after, (i) in the case of any such  termination  pursuant
to Section 3.1.1, 3.1.2, 3.1.4 or 4.3 of the Employment  Agreement,  the earlier
of (A) the expiration of the Option Term and (B) 120 days after the date of such
termination;  provided, however, that, in the case of any such termination other
than a  termination  resulting  from the Optionee  being  "disabled"  within the
meaning of Section  22(e)(3) of the Code,  the Option shall no longer be treated
as an  "incentive  stock  option"  within the meaning of Section 422 of the Code
unless exercised within three (3) months following the date of such termination,
and (ii) in the case of any such  termination  not  described  in the  foregoing
clause (i), the earlier of (A) the expiration of the Option Term and (B) 90 days
after the date of such termination.

                  (d)  Termination as a Result of Disability or  Retirement.  If
the  Optionee's  employment  with the  Company  terminates  as a  result  of the
Optionee's Disability or Retirement,  the Option shall thereafter be exercisable
only to the extent of the  purchase  rights,  if any,  which shall have  accrued
pursuant to paragraph (a) of this Section 3 as of the date of such  termination,
and the Option and such accrued rights to purchase shall in any event  terminate
upon, and the Optionee shall have no further right to exercise the Option after,
the earlier of (i) the expiration of the Option Term and (ii) 180 days after the
date of such  termination;  provided,  however,  that,  in the  case of any such
termination  other  than  a  termination   resulting  from  the  Optionee  being
"disabled" within the

                                       -2-

<PAGE>



meaning of Section  22(e)(3) of the Code,  the Option shall no longer be treated
as an  "incentive  stock  option"  within the meaning of Section 422 of the Code
unless exercised within three (3) months following the date of such termination

                  (e)  Termination  as a  Result  of  Death.  If the  Optionee's
employment with the Company  terminates as a result of the Optionee's death, the
Option shall thereafter be exercisable by the Optionee's Designated  Beneficiary
(as defined in the Plan) or  personal  representatives,  heirs or  legatees  (as
provided in the Plan),  but only to the extent of the purchase  rights,  if any,
which shall have accrued  pursuant to paragraph  (a) of this Section 3 as of the
date of such  termination,  and the Option and such  accrued  rights to purchase
shall in any event  terminate upon, and the Optionee shall have no further right
to exercise the Option  after,  the earlier of (i) the  expiration of the Option
Term and (ii) one (1) year  after  the date of death.  Notwithstanding  anything
contained in the Plan to the contrary,  the Option shall  continue to be treated
as an  "incentive  stock  option"  within the meaning of Section 422 of the Code
even if it is not  exercised  until after the third month  following the date of
the Optionee's death.

                  (f) Death Following Disability or Retirement.  In the event of
the Optionee's  death within 180 days  following the  Optionee's  termination of
employment as a result of the Optionee's  Disability or  Retirement,  the Option
shall  thereafter be  exercisable by the  Optionee's  Designated  Beneficiary or
personal  representatives,  heirs or  legatees,  to the  extent of the  purchase
rights,  if any,  which shall have  accrued  pursuant to  paragraph  (a) of this
Section  3 as of the  date of such  termination,  for a  period  of one (1) year
following  the date of death but in no event  later than the  expiration  of the
Option  Term;  provided,  however,  that,  in the case in which  the  Optionee's
termination of employment resulted from the Optionee being "disabled" within the
meaning of Section  22(e)(3) of the Code,  the Option shall no longer be treated
as an  "incentive  stock  option"  within the meaning of Section 422 of the Code
unless exercised within one (1) year following the date of such termination; and
provided further,  however, that, in all other cases, the Option shall no longer
be treated as an "incentive  stock option"  within the meaning of Section 422 of
the Code unless  exercised  within three (3) months  following  the date of such
termination.

     4.  Procedure for Exercise.  (a) The Option may be exercised,  from time to
time,  in whole or in part  (but for the  purchase  of whole  shares  only),  by
delivery of a written  notice (the  "Notice") from the Optionee to the Secretary
of the Company, which Notice shall:
  
       (i)      state that the Optionee elects to exercise the Option;

      (ii)     state the number of shares with respect to which the Optionee is
                 exercising the Option (the "Acquired Shares");

     (iii)    include any representations of the Optionee required under Section
                  7(b) hereof;


                                       -3-

<PAGE>



        (iv)     state the method of payment for the Acquired Shares pursuant to
                  Section 4(b);

        (v) in the event that the Option  shall be  exercised
            by any person other than the  Optionee  pursuant to Sections 3
            and 8, include  appropriate  proof of the right of such person
            to exercise the Option; and

                           (vi) state the date upon which the  Optionee  desires
                  to consummate the purchase of the Acquired  Shares (which date
                  must be prior to the termination of such Option).

                  (b) Payment of the Option Price for the Acquired Shares shall,
unless  otherwise  provided by the Committee,  be made in cash or by personal or
certified check.

                  5. No Rights as a Stockholder. The Optionee shall not have any
privileges of a stockholder  with respect to any Option Shares until the date of
a stock certificate representing such Option Shares is issued to the Optionee.

                  6.  Adjustments.

                  (a) Stock  Dividends,  Splits,  Subdivisions or  Combinations.
Subject  to the other  provisions  of this  Section 6, if, at any time while the
Option is  outstanding,  the  Common  Stock is  changed  by reason of  dividends
payable in Common Stock or splits,  subdivisions  or  combinations  of shares of
Common  Stock,  then the number of shares of Common Stock  deliverable  upon the
exercise   thereafter   of  the  Option   shall  be   increased   or   decreased
proportionately,  as the case may be,  without  change in the  aggregate  Option
Price.

                  (b)  Cash  Mergers.   Upon  the  occurrence  of  a  merger  on
consolidation of the Company with another  corporation in a transaction in which
the stockholders of the Company receive cash consideration in exchange for their
shares of capital  stock of the  Company  (a "cash  merger"),  the Option  shall
automatically terminate; provided, however, that the Optionee shall be given (i)
written  notice  of such  cash  merger  at least 20 days  prior to its  proposed
effective date (as specified in such notice) and (ii) an opportunity, during the
period commencing with delivery of such notice and ending ten (10) days prior to
such  proposed  effective  date, to exercise the Option in full as to all of the
Option Shares, whether or not then vested.

                  (c)  Assumption or  Substitution  of Options.  Notwithstanding
anything contained herein or in the Plan to the contrary, Section 6(b) shall not
be applicable if provision shall be made in connection with such cash merger for
the  assumption  of the Option by, or the  substitution  for the Option of a new
option   covering  the  stock  of,  the   surviving,   successor  or  purchasing
corporation,  or a parent or subsidiary thereof, with appropriate adjustments as
to the number, kind and option price of shares subject to such option; provided,
however,  that the Board  shall,  to the extent not  inconsistent  with the best
interests of the Company or its subsidiaries (such best interests to be


                                                        -4-

<PAGE>



determined  in good faith by the Board,  in its sole  discretion),  use its best
efforts to ensure that any such assumption or substitution will not constitute a
modification,  extension or renewal of the Option  within the meaning of Section
424(h) of the Code and the regulations thereunder.

                  (d) Corporate Transactions. Notwithstanding anything contained
herein or in the Plan to the  contrary,  upon the  occurrence of (i) a merger or
consolidation  of the Company with another  corporation in a transaction  (other
than a cash  merger)  in which the  Company  shall not  survive  or in which the
Company  is  the  survivor  but  its  capital  stock  is  exchanged  for  stock,
securities, or property of another entity or (ii) a sale of all or substantially
all of the assets of the Company  (any  transaction  described  in clause (i) or
(ii) being referred to herein as a "corporate transaction"),  provision shall be
made in connection  with such  corporate  transaction  for the assumption of the
Option by, or the substitution for the Option of a new option covering the stock
of,  the  surviving,  successor  or  purchasing  corporation,  or  a  parent  or
subsidiary  thereof,  with  appropriate  adjustments as to the number,  kind and
option price of shares subject to such option; provided, however, that the Board
shall, to the extent not inconsistent  with the best interests of the Company or
its  subsidiaries  (such best  interests to be  determined  in good faith by the
Board,  in its sole  discretion),  use its best  efforts to ensure that any such
assumption or  substitution  will not  constitute a  modification,  extension or
renewal of the Option  within the meaning of Section  424(h) of the Code and the
regulations thereunder.

                  (e)  Termination  within One Year of Cash Merger or  Corporate
Transaction.  Notwithstanding  anything  contained  herein or in the Plan to the
contrary,  in the event the Optionee's employment with the Company or the person
which is the surviving,  successor or purchasing corporation in a cash merger to
which  Section 6(c)  applies or a corporate  transaction  to which  Section 6(d)
applies,  or a parent or subsidiary  thereof,  is  terminated  without cause (as
defined in Section 3(b)) and other than as a result of the  Optionee's  death or
disability,  at any time prior to the first  anniversary of such  transaction or
merger,  the Option shall become  exercisable  in full as to all Option  Shares,
whether or not vested, as of the date on which notice of termination is given to
the Optionee, and the Optionee shall have the right to exercise the Option as to
any or all of such shares until the earlier of (i) the  expiration of the Option
Term and (ii) the 90th day following the date of such termination, at which time
the Option shall terminate.

                  7.       Additional Provisions Related to Exercise.  (a)  The
Option shall be exercisable only on such date or dates and during such period
and for such number of shares of Common Stock as are set forth in this
Agreement.

                  (b) To exercise  the Option,  the  Optionee  shall  follow the
procedures  set forth in Section 4 hereof.  Upon the exercise of the Option at a
time when there is not in effect a registration  statement  under the Securities
Act of 1933,  as amended,  relating to the shares of Common Stock  issuable upon
exercise of the  Option,  the  Optionee  shall  provide  the  Company  with such
representations and warranties as may be required by the Committee to the effect
that the Acquired  Shares are being  acquired for investment and not with a view
to  the  distribution  thereof.   Anything  contained  herein  to  the  contrary
notwithstanding, in the event the Board shall determine, in its sole

                                                 -5-

<PAGE>



and subjective  discretion,  that the registration,  qualification or listing of
the Option Shares upon a securities  exchange or under any state or Federal law,
or the consent or approval or any government or regulatory body, is necessary or
desirable  as a condition of or in  connection  with the exercise of the Option,
the  Option  may not be  exercised,  in whole or in part,  unless and until such
registration,  qualification,  listing,  consent  or  approval  shall  have been
effected or obtained free of any conditions not acceptable to the Board.

                  (c) The Option  shall not be  affected by any change of duties
or position of the Optionee  (including  transfer to or from a  subsidiary),  so
long as the  Optionee  continues  to be an employee of the Company or one of its
subsidiaries.  Nothing in the Option  granted  hereunder  shall  confer upon the
Optionee  any  right to  continue  in the  employ of the  Company  or any of its
subsidiaries  or  interfere  in any way with the  right  of the  Company  or its
subsidiaries  or the  stockholders  of the  Company,  as the  case  may  be,  to
terminate the  Optionee's  employment or to increase or decrease the  Optionee's
compensation at any time.

                  8. Restriction on Transfer. The Option may not be transferred,
pledged, assigned, hypothecated (whether by operation of law or otherwise), sold
or otherwise  disposed of in any way by the  Optionee,  except by will or by the
laws of descent and  distribution,  and may be exercised  during the lifetime of
the  Optionee  only by the  Optionee.  If the  Optionee  dies,  the Option shall
thereafter be exercisable,  during the applicable period specified in Section 3,
by the Optionee's Designated Beneficiary or personal  representatives,  heirs or
legatees  (as  provided  in the Plan) to the full extent to which the Option was
exercisable  by the  Optionee  at the time of the  Optionee's  death as provided
herein.  The Option  shall not be subject to  execution,  attachment  or similar
process.  Any attempted transfer,  pledge,  assignment,  hypothecation,  sale or
other disposition of the Option contrary to the provisions  hereof, and the levy
of any execution,  attachment or similar process upon the Option,  shall be null
and void and without effect.

                  9.   Restrictive   Legends.   In  order  to  reflect   certain
restrictions  on disposition of the shares  acquired upon exercise of the Option
(the "Restricted  Shares"),  all stock certificates  representing the Restricted
Shares issued shall have affixed  thereto any legends  determined by the Company
to be appropriate.

                  10.  Notices.  All notices or other  communications  which are
required  or  permitted  hereunder  shall be in writing  and  sufficient  if (i)
personally delivered or sent by telecopier,  (ii) sent by  nationally-recognized
overnight  courier  or (iii)  sent by  registered  or  certified  mail,  postage
prepaid, return receipt requested, addressed as follows:

                           if to the Optionee, to:

                                    Kathleen P. Mullinix
                                    975 Park Avenue, Apt. 2D
                                    New York, New York 10028



                                                        -6-

<PAGE>



                           if to the Corporation, to:

                       Synaptic Pharmaceutical Corporation
                                    215 College Road
                                    Paramus, New Jersey  07652
                                    Attention: General Counsel
                                    Telecopier: 201-261-0623

or to such  other  address  as the party to whom  notice is to be given may have
furnished  to each  other  party in  writing in  accordance  herewith.  Any such
communication  shall  be  deemed  to have  been  given  (i) when  delivered,  if
personally  delivered,  sent by  telecopier  or  sent  by  nationally-recognized
overnight  courier and (ii) on the third Business Day (as  hereinafter  defined)
following the date on which the piece of mail containing such  communication  is
posted, if sent by mail. As used herein,  "Business Day" means a day that is not
a Saturday,  Sunday or a day on which banking  institutions in the city to which
the notice or communication is to be sent are not required to be open.

                  11.      No Waiver.  No waiver of any breach or condition of
this Agreement shall be deemed to be a waiver of any other or subsequent breach
or condition, whether of like or different nature.

                  12. Optionee  Undertaking.  The Optionee hereby agrees to take
whatever  additional  actions  and execute  whatever  additional  documents  the
Company may in its reasonable  judgement deem necessary or advisable in order to
carry out or effect one or more of the  obligations or  restrictions  imposed on
the Optionee pursuant to the express provisions of this Agreement.

     13.  Modification  of Rights.  The rights of the  Optionee  are  subject to
modification and termination in certain events as provided in this Agreement and
the Plan.
     14.  Governing Law. This  Agreement  shall be governed by, and construed in
accordance  with,  the laws of the State of New Jersey  without giving effect to
principles of conflicts of laws.

     15.   Counterparts.   This  Agreement  may  be  executed  in  one  or  more
counterparts,  each of which shall be deemed to be an original, but all of which
together shall constitute one and the same instrument.

                  16. Entire Agreement. This Agreement, the Employment Agreement
(the  provisions  relating  to stock  options of which are  hereby  incorporated
herein by reference) and the Plan  constitute the entire  agreement  between the
parties with respect to the subject matter hereof and thereof, and supersede all
previously  written  or  oral  negotiations,  commitments,  representations  and
agreements with respect  thereto.  In the event of any  inconsistency  among the
terms of this Agreement,  the terms of the Employment Agreement and the terms of
the Plan, the terms of the Employment Agreement shall control.

                                                        -7-

<PAGE>


                  IN WITNESS  WHEREOF,  the parties  hereto have  executed  this
Agreement as of the date first written above.



                       SYNAPTIC PHARMACEUTICAL CORPORATION



                                  By:/s/ Lisa L. Reiter
                                  ---------------------
                                  Lisa L. Reiter
                                  Vice President, General Counsel and Secretary




                                  /s/ Kathleen P. Mullinix
                                  ------------------------
                                  Kathleen P. Mullinix



                                                        -8-

<PAGE>




                                                                 EXHIBIT 10.38

                                     FORM OF
                                 NONTRANSFERABLE
                        INCENTIVE STOCK OPTION AGREEMENT


                  THIS AGREEMENT, dated as of the 13th day of December, 1996, is
by and between SYNAPTIC PHARMACEUTICAL  CORPORATION, a Delaware corporation (the
"Company"),  and ______________ (the "Optionee," which term as used herein shall
be deemed to include  any  successor  to the  Optionee by will or by the laws of
descent and distribution, unless the context shall otherwise require).

                                               W I T N E S S E T H:

     WHEREAS,  the  Company  and  the  Optionee  are  parties  to an  Employment
Agreement (the "Employment Agreement") dated as of ________________; and

                  WHEREAS,  pursuant to the Synaptic Pharmaceutical  Corporation
1996 Incentive Plan (the "Plan"),  the Company,  acting through the Compensation
Committee (the "Committee") of its Board of Directors (the "Board"), on December
13, 1996 (the "Start Date"), granted to the Optionee an option to purchase up to
an aggregate of ______ shares of Common Stock,  $0.01 par value,  of the Company
(the "Common  Stock"),  at the price of $12.00 per share,  such option to be for
the term and upon the terms and conditions hereinafter stated.

                  NOW,  THEREFORE,  in  consideration of the mutual premises and
undertakings hereinafter set forth, the parties hereto agree as follows:

                  1.  Option;  Option  Price.  Pursuant  to said  action  of the
Committee,  the Company has granted to the Optionee the option (the "Option") to
purchase, upon and subject to the terms and conditions of this Agreement and the
terms and  conditions  of the Plan (which are hereby  incorporated  by reference
herein),  ______ shares (the "Option  Shares") of Common Stock of the Company at
the price of $12.00 per share (the "Option Price"),  which Option is intended to
qualify for Federal  income tax purposes as an "incentive  stock option"  within
the meaning of Section 422 of the Internal Revenue Code of 1986, as amended (the
"Code").

     2. Term.  The term (the "Option  Term") of the Option shall commence on the
Start Date and expire on the tenth  anniversary  of the Start  Date,  unless the
Option shall  theretofore  have been  terminated  in  accordance  with the terms
hereof or of the Plan.

                  3.       Exercisability; Time of Exercise.

                  (a)  General.  Unless  accelerated  in the  discretion  of the
Committee or as otherwise  provided herein,  the Option shall become exercisable
as to 25% of the Option  Shares on January 1 of each of 1998,  1999,  2000,  and
2001; provided,  however,  that if the Optionee dies or retires with the consent
of the  Company  any time prior to January  1,  2001,  then the Option  shall be
exercisable


                                                        -1-

<PAGE>



as to that  number of Option  Shares  which is equal to the  product  of (i) the
total number of Option Shares and (ii) 2-1/12% times the number of full calendar
months which shall have elapsed during the period commencing on January 1, 1997,
and ending on the date of the Optionee's death or retirement;  provided further,
however,  that if,  at any  time  prior  to  January  1,  2001,  the  Optionee's
employment  with the Company is terminated in  contemplation  of, or at any time
within one (1) year following,  a Change in Control  (capitalized terms used and
not  defined  herein  having the  meanings  ascribed  to them in the  Employment
Agreement ) and such  termination  constitutes a Termination  Without Cause or a
Resignation  for Good  Reason,  then the  Option  shall,  as of the date of such
termination,  become  exercisable  in full as to all of the Option  Shares.  The
Option shall remain exercisable as to all of such shares until the expiration of
the Option Term, unless it is terminated earlier as provided in any of the other
paragraphs of this Section 3 or Section 6 or as provided in the Plan.

                  (b)  Termination  for Cause. If the Optionee shall cease to be
an  employee  of the  Company as a result of a  termination  by the  Company for
Cause, the Option shall automatically  terminate on, and the Optionee shall have
no further right to exercise the Option on or after, the date as of which notice
of such termination is given to the Optionee by the Company.

                  (c) Termination  without Cause.  If the Optionee's  employment
with the Company  terminates  for any reason other than Cause or the  Optionee's
death or  Disability or  Retirement  (as defined in the Plan),  the Option shall
thereafter be  exercisable  only to the extent of the purchase  rights,  if any,
which shall have accrued  pursuant to paragraph  (a) of this Section 3 as of the
date of such  termination,  and the Option and such  accrued  rights to purchase
shall in any event  terminate upon, and the Optionee shall have no further right
to exercise the Option  after,  the earlier of (i) the  expiration of the Option
Term and (ii) (A) in the case of any such termination  governed by Section 11 of
the Employment Agreement, 120 days after the date of such termination and (B) in
the case of any such  termination not governed by said Section 11, 90 days after
the date of such termination;  provided,  however, that, in the case of any such
termination  other  than  a  termination   resulting  from  the  Optionee  being
"disabled"  within the meaning of Section 22(e)(3) of the Code, the Option shall
no longer be treated  as an  "incentive  stock  option"  within  the  meaning of
Section 422 of the Code unless  exercised  within three (3) months following the
date of such termination.

                  (d)  Termination as a Result of Disability or  Retirement.  If
the  Optionee's  employment  with the  Company  terminates  as a  result  of the
Optionee's Disability or Retirement,  the Option shall thereafter be exercisable
only to the extent of the  purchase  rights,  if any,  which shall have  accrued
pursuant to paragraph (a) of this Section 3 as of the date of such  termination,
and the Option and such accrued rights to purchase shall in any event  terminate
upon, and the Optionee shall have no further right to exercise the Option after,
the earlier of (i) the expiration of the Option Term and (ii) 180 days after the
date of such  termination;  provided,  however,  that,  in the  case of any such
termination  other  than  a  termination   resulting  from  the  Optionee  being
"disabled"  within the meaning of Section 22(e)(3) of the Code, the Option shall
no longer be treated  as an  "incentive  stock  option"  within  the  meaning of
Section 422 of the Code unless  exercised  within three (3) months following the
date of such termination.


                                                        -2-

<PAGE>



                  (e)  Termination  as a  Result  of  Death.  If the  Optionee's
employment with the Company  terminates as a result of the Optionee's death, the
Option shall thereafter be exercisable by the Optionee's Designated  Beneficiary
(as defined in the Plan) or  personal  representatives,  heirs or  legatees  (as
provided in the Plan),  but only to the extent of the purchase  rights,  if any,
which shall have accrued  pursuant to paragraph  (a) of this Section 3 as of the
date of such  termination,  and the Option and such  accrued  rights to purchase
shall in any event  terminate upon, and the Optionee shall have no further right
to exercise the Option  after,  the earlier of (i) the  expiration of the Option
Term and (ii) one (1) year  after  the date of death.  Notwithstanding  anything
contained in the Plan to the contrary,  the Option shall  continue to be treated
as an  "incentive  stock  option"  within the meaning of Section 422 of the Code
even if it is not  exercised  until after the third month  following the date of
the Optionee's death.

                  (f) Death Following Disability or Retirement.  In the event of
the Optionee's  death within 180 days  following the  Optionee's  termination of
employment as a result of the Optionee's  Disability or  Retirement,  the Option
shall  thereafter be  exercisable by the  Optionee's  Designated  Beneficiary or
personal  representatives,  heirs or  legatees,  to the  extent of the  purchase
rights,  if any,  which shall have  accrued  pursuant to  paragraph  (a) of this
Section  3 as of the  date of such  termination,  for a  period  of one (1) year
following  the date of death but in no event  later than the  expiration  of the
Option  Term;  provided,  however,  that,  in the case in which  the  Optionee's
termination of employment resulted from the Optionee being "disabled" within the
meaning of Section  22(e)(3) of the Code,  the Option shall no longer be treated
as an  "incentive  stock  option"  within the meaning of Section 422 of the Code
unless exercised within one (1) year following the date of such termination; and
provided further,  however, that, in all other cases, the Option shall no longer
be treated as an "incentive  stock option"  within the meaning of Section 422 of
the Code unless  exercised  within three (3) months  following  the date of such
termination.

     4.  Procedure for Exercise.  (a) The Option may be exercised,  from time to
time,  in whole or in part  (but for the  purchase  of whole  shares  only),  by
delivery of a written  notice (the  "Notice") from the Optionee to the Secretary
of the Company, which Notice shall:

        (i)      state that the Optionee elects to exercise the Option;

       (ii)     state the number of shares with respect to which the Optionee is
                  exercising the Option (the "Acquired Shares");

     (iii)    include any representations of the Optionee required under Section
              7(b) hereof;

     (iv)     state the method of payment for the Acquired Shares pursuant to
                  Section 4(b);



                                                        -3-

<PAGE>



                           (v) in the event that the Option  shall be  exercised
                  by any person other than the  Optionee  pursuant to Sections 3
                  and 8, include  appropriate  proof of the right of such person
                  to exercise the Option; and

                           (vi) state the date upon which the  Optionee  desires
                  to consummate the purchase of the Acquired  Shares (which date
                  must be prior to the termination of such Option).

                  (b) Payment of the Option Price for the Acquired Shares shall,
unless  otherwise  provided by the Committee,  be made in cash or by personal or
certified check.

                  5. No Rights as a Stockholder. The Optionee shall not have any
privileges of a stockholder  with respect to any Option Shares until the date of
a stock certificate representing such Option Shares is issued to the Optionee.

                  6.  Adjustments.

                  (a) Stock  Dividends,  Splits,  Subdivisions or  Combinations.
Subject  to the other  provisions  of this  Section 6, if, at any time while the
Option is  outstanding,  the  Common  Stock is  changed  by reason of  dividends
payable in Common Stock or splits,  subdivisions  or  combinations  of shares of
Common  Stock,  then the number of shares of Common Stock  deliverable  upon the
exercise   thereafter   of  the  Option   shall  be   increased   or   decreased
proportionately,  as the case may be,  without  change in the  aggregate  Option
Price.

                  (b)  Cash  Mergers.   Upon  the  occurrence  of  a  merger  on
consolidation of the Company with another  corporation in a transaction in which
the stockholders of the Company receive cash consideration in exchange for their
shares of capital  stock of the  Company  (a "cash  merger"),  the Option  shall
automatically terminate; provided, however, that the Optionee shall be given (i)
written  notice  of such  cash  merger  at least 20 days  prior to its  proposed
effective date (as specified in such notice) and (ii) an opportunity, during the
period commencing with delivery of such notice and ending ten (10) days prior to
such  proposed  effective  date, to exercise the Option in full as to all of the
Option Shares, whether or not then vested.

                  (c)  Assumption or  Substitution  of Options.  Notwithstanding
anything contained herein or in the Plan to the contrary, Section 6(b) shall not
be applicable if provision shall be made in connection with such cash merger for
the  assumption  of the Option by, or the  substitution  for the Option of a new
option   covering  the  stock  of,  the   surviving,   successor  or  purchasing
corporation,  or a parent or subsidiary thereof, with appropriate adjustments as
to the number, kind and option price of shares subject to such option; provided,
however,  that the Board  shall,  to the extent not  inconsistent  with the best
interests  of the  Company  or  its  subsidiaries  (such  best  interests  to be
determined  in good faith by the Board,  in its sole  discretion),  use its best
efforts to ensure that any such assumption or substitution will not constitute a
modification,  extension or renewal of the Option  within the meaning of Section
424(h) of the Code and the regulations thereunder.


                                                        -4-

<PAGE>



                  (d) Corporate Transactions. Notwithstanding anything contained
herein or in the Plan to the  contrary,  upon the  occurrence of (i) a merger or
consolidation  of the Company with another  corporation in a transaction  (other
than a cash  merger)  in which the  Company  shall not  survive  or in which the
Company  is  the  survivor  but  its  capital  stock  is  exchanged  for  stock,
securities, or property of another entity or (ii) a sale of all or substantially
all of the assets of the Company  (any  transaction  described  in clause (i) or
(ii) being referred to herein as a "corporate transaction"),  provision shall be
made in connection  with such  corporate  transaction  for the assumption of the
Option by, or the substitution for the Option of a new option covering the stock
of,  the  surviving,  successor  or  purchasing  corporation,  or  a  parent  or
subsidiary  thereof,  with  appropriate  adjustments as to the number,  kind and
option price of shares subject to such option; provided, however, that the Board
shall, to the extent not inconsistent  with the best interests of the Company or
its  subsidiaries  (such best  interests to be  determined  in good faith by the
Board,  in its sole  discretion),  use its best  efforts to ensure that any such
assumption or  substitution  will not  constitute a  modification,  extension or
renewal of the Option  within the meaning of Section  424(h) of the Code and the
regulations thereunder.

                  (e)  Termination  within One Year of Cash Merger or  Corporate
Transaction.  Notwithstanding  anything  contained  herein or in the Plan to the
contrary,  in the event the Optionee's employment with the Company or the person
which is the surviving,  successor or purchasing corporation in a cash merger to
which  Section 6(c)  applies or a corporate  transaction  to which  Section 6(d)
applies,  or a parent or subsidiary  thereof,  is  terminated  without Cause and
other than as a result of the Optionee's death or disability,  at any time prior
to the first anniversary of such transaction or merger,  the Option shall become
exercisable  in full as to all Option Shares,  whether or not vested,  as of the
date on which notice of termination  is given to the Optionee,  and the Optionee
shall  have the right to  exercise  the  Option as to any or all of such  shares
until the earlier of (i) the expiration of the Option Term and (ii) the 90th day
following  the  date of  such  termination,  at  which  time  the  Option  shall
terminate.

     7.  Additional  Provisions  Related to  Exercise.  (a) The Option  shall be
exercisable  only on such  date or dates and  during  such  period  and for such
number of shares of Common Stock as are set forth in this Agreement.

                  (b) To exercise  the Option,  the  Optionee  shall  follow the
procedures  set forth in Section 4 hereof.  Upon the exercise of the Option at a
time when there is not in effect a registration  statement  under the Securities
Act of 1933,  as amended,  relating to the shares of Common Stock  issuable upon
exercise of the  Option,  the  Optionee  shall  provide  the  Company  with such
representations and warranties as may be required by the Committee to the effect
that the Acquired  Shares are being  acquired for investment and not with a view
to  the  distribution  thereof.   Anything  contained  herein  to  the  contrary
notwithstanding,  in the  event  the  Board  shall  determine,  in its  sole and
subjective  discretion,  that the registration,  qualification or listing of the
Option  Shares upon a securities  exchange or under any state or Federal law, or
the consent or approval or any  government or  regulatory  body, is necessary or
desirable  as a condition of or in  connection  with the exercise of the Option,
the  Option  may not be  exercised,  in whole or in part,  unless and until such
registration,


                                                        -5-

<PAGE>



qualification, listing, consent or approval shall have been effected or obtained
free of any conditions not acceptable to the Board.

                  (c) The Option  shall not be  affected by any change of duties
or position of the Optionee  (including  transfer to or from a  subsidiary),  so
long as the  Optionee  continues  to be an employee of the Company or one of its
subsidiaries.  Nothing in the Option  granted  hereunder  shall  confer upon the
Optionee  any  right to  continue  in the  employ of the  Company  or any of its
subsidiaries  or  interfere  in any way with the  right  of the  Company  or its
subsidiaries  or the  stockholders  of the  Company,  as the  case  may  be,  to
terminate the  Optionee's  employment or to increase or decrease the  Optionee's
compensation at any time.

                  8. Restriction on Transfer. The Option may not be transferred,
pledged, assigned, hypothecated (whether by operation of law or otherwise), sold
or otherwise  disposed of in any way by the  Optionee,  except by will or by the
laws of descent and  distribution,  and may be exercised  during the lifetime of
the  Optionee  only by the  Optionee.  If the  Optionee  dies,  the Option shall
thereafter be exercisable,  during the applicable period specified in Section 3,
by the Optionee's Designated Beneficiary or personal  representatives,  heirs or
legatees  (as  provided  in the Plan) to the full extent to which the Option was
exercisable  by the  Optionee  at the time of the  Optionee's  death as provided
herein.  The Option  shall not be subject to  execution,  attachment  or similar
process.  Any attempted transfer,  pledge,  assignment,  hypothecation,  sale or
other disposition of the Option contrary to the provisions  hereof, and the levy
of any execution,  attachment or similar process upon the Option,  shall be null
and void and without effect.

                  9.   Restrictive   Legends.   In  order  to  reflect   certain
restrictions  on disposition of the shares  acquired upon exercise of the Option
(the "Restricted  Shares"),  all stock certificates  representing the Restricted
Shares issued shall have affixed  thereto any legends  determined by the Company
to be appropriate.

                  10.  Notices.  All notices or other  communications  which are
required  or  permitted  hereunder  shall be in writing  and  sufficient  if (i)
personally delivered or sent by telecopier,  (ii) sent by  nationally-recognized
overnight  courier  or (iii)  sent by  registered  or  certified  mail,  postage
prepaid, return receipt requested, addressed as follows:

                           if to the Optionee, to:

                                    -------------------
                                    -------------------
                                    -------------------


                                                        -6-

<PAGE>



                           if to the Corporation, to:

                       Synaptic Pharmaceutical Corporation
                                    215 College Road
                                    Paramus, New Jersey  07652
                                    Attention:  President
                                    Telecopier: 201-261-0623

or to such  other  address  as the party to whom  notice is to be given may have
furnished  to each  other  party in  writing in  accordance  herewith.  Any such
communication  shall  be  deemed  to have  been  given  (i) when  delivered,  if
personally  delivered,  sent by  telecopier  or  sent  by  nationally-recognized
overnight  courier and (ii) on the third Business Day (as  hereinafter  defined)
following the date on which the piece of mail containing such  communication  is
posted, if sent by mail. As used herein,  "Business Day" means a day that is not
a Saturday,  Sunday or a day on which banking  institutions in the city to which
the notice or communication is to be sent are not required to be open.

     11. No Waiver. No waiver of any breach or condition of this Agreement shall
be deemed to be a waiver of any other or subsequent breach or condition, whether
of like or different nature.

                  12. Optionee  Undertaking.  The Optionee hereby agrees to take
whatever  additional  actions  and execute  whatever  additional  documents  the
Company may in its reasonable  judgement deem necessary or advisable in order to
carry out or effect one or more of the  obligations or  restrictions  imposed on
the Optionee pursuant to the express provisions of this Agreement.

     13.  Modification  of Rights.  The rights of the  Optionee  are  subject to
modification and termination in certain events as provided in this Agreement and
the Plan.

     14.  Governing Law. This  Agreement  shall be governed by, and construed in
accordance  with,  the laws of the State of New Jersey  without giving effect to
principles of conflicts of laws.

     15.   Counterparts.   This  Agreement  may  be  executed  in  one  or  more
counterparts,  each of which shall be deemed to be an original, but all of which
together shall constitute one and the same instrument.
                  16.  Entire   Agreement.   This   Agreement,   the  Employment
Agreement(the   provisions  relating  to  stock  options  of  which  are  hereby
incorporated  herein by reference) and the Plan constitute the entire  agreement
between the parties with respect to the subject  matter hereof and thereof,  and
supersede   all   previously   written   or  oral   negotiations,   commitments,
representations  and  agreements  with  respect  thereto.  In the  event  of any
inconsistency  among the terms of this  Agreement,  the terms of the  Employment
Agreement and the terms of the Plan, the terms of the Employment Agreement shall
control.


                                                        -7-

<PAGE>


                  IN WITNESS  WHEREOF,  the parties  hereto have  executed  this
Agreement as of the date first written above.



                       SYNAPTIC PHARMACEUTICAL CORPORATION



                             By:----------------------------------------------

                             Kathleen P. Mullinix
                             Chairman, President and Chief Executive Officer


                             -------------------------------------------------






                                                        -8-

<PAGE>




                                                                   EXHIBIT 11

                       SYNAPTIC PHARMACEUTICAL CORPORATION


                        Computation of Net Loss Per Share



                                                Year Ended December 31,
Primary                                   1996           1995           1994
- -----------------------------------   -----------    -----------    -----------
Weighted average common shares
outstanding                             7,577,610        680,824        336,976

Shares sold within 12 months of
initial registration statement
filing, considered outstanding for
periods prior to the initial public
offering,  based on the treasury
stock method and the initial
public offering price                        --            2,619          7,454

Shares underlying options granted
within 12 months of initial
registration statement filing,
considered outstanding for all
periods  prior to the  initial
public  offering,  based on the
treasury stock method and the
initial public offering price                --           23,651         31,535
                                      -----------    -----------    -----------
Shares used in computation
of net loss per share                   7,577,610        707,094        375,965
                                      ===========    ===========    ===========
Net loss                              ($2,633,055)   ($3,367,351)   ($5,526,721)
                                      ===========    ===========    ===========
Net loss per share                         ($0.35)        ($4.76)       ($14.70)
                                      ===========    ===========    ===========



<PAGE>


  
                       SYNAPTIC PHARMACEUTICAL CORPORATION

                        Computation of Net Loss Per Share


                                                Year Ended December 31,
Fully Diluted                             1996           1995           1994
- -----------------------------------   -----------    -----------    -----------
Weighted average common shares
outstanding                             7,577,610        680,824        336,976

Weighted average common stock
options outstanding considered
exercised, based on the treasury
stock method                              297,361        268,715        258,044

Weighted average 1993 Warrants
outstanding considered exercised,
based on the treasury stock method         50,775          1,046         24,738

Weighted average 1990 Warrants
outstanding considered exercised,
based on the treasury stock method           --           55,089         51,816

Shares sold within 12 months of
initial registration statement
filing, considered outstanding for
periods prior to the initial public
offering, based on the treasury
stock method and the initial public
offering price                               --            2,619          7,454

Options granted within 12 months of
initial registration  statement
filing,  considered outstanding for
all periods prior to the  initial
public  offering,  based on the
treasury  stock method and the
initial public offering price                --           23,651         31,535

Weighted average convertible
preferred stock outstanding,
as if converted:
    Series 1                                 --        1,207,735      1,260,214
    Series 2                                 --        1,157,521      1,207,848
    Series 3                                 --        1,844,383      1,924,574
    Series 4                                 --          513,394        223,215
                                      -----------    -----------    -----------
Shares used in computation of
 net loss per share                     7,925,746      5,754,977      5,326,414
                                      ===========    ===========    ===========
Net loss                              ($2,633,055)   ($3,367,351)   ($5,526,721)
                                      ===========    ===========    ===========
Net loss per share                         ($0.33)        ($0.59)        ($1.04)
                                      ===========    ===========    ===========



<PAGE>




                                                                  EXHIBIT 23.1


                         Consent of Independent Auditors

We consent to the incorporation by reference in the Registration Statement (Form
S-8 No. 333- 05793) pertaining to the 1988 Amended and Restated  Incentive Plan,
1996  Incentive  Plan and the 1996  Nonemployee  Director  Stock  Option Plan of
Synaptic Pharmaceutical  Corporation of our report dated February 18, 1997, with
respect to the  financial  statements  of  Synaptic  Pharmaceutical  Corporation
included the Annual Report (Form 10-K) for the year ended December 31, 1996.


                                                      /s/ ERNST & YOUNG LLP

Hackensack, NJ
March 21, 1997


<PAGE>




                                                                  EXHIBIT 24

                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS,  that each person whose  signature  appears
below  constitutes and appoints each of Kathleen P. Mullinix and Lisa L. Reiter,
or either of them, such person's true and lawful attorney-in-fact and agent with
full power of substitution  and re-  substitution  for such person and in his or
her name, place and stead, in any and all capacities, to sign this Annual Report
on Form 10-K and any or all  amendments  thereto and to file the same,  with all
exhibits  thereto,  and  other  documents  in  connection  therewith,  with  the
Securities and Exchange  Commission  and the National  Association of Securities
Dealers, granting unto said attorney-in-fact and agent full power and authority,
to do and perform each and every act and thing requisite or necessary to be done
in and about the premises, to all intents and purposes and as fully as he or she
might or could do in  person,  hereby  ratifying  and  confirming  all that said
attorney-in-fact  and agent or her  substitutes  may  lawfully do or cause to be
done by virtue hereof.



          Signature                       Title                     Date       
- ------------------------------     ----------------------      --------------

/s/ Kathleen P. Mullinix           Chairman of the Board,      March 13, 1997
- ------------------------------     President, and Chief
Kathleen P. Mullinix               Executive Officer


/s/ Robert L. Spence               Senior Vice President,      March 13, 1997
- ------------------------------     Chief Financial Officer,
Robert L. Spence                   and Treasurer


/s/ Jonathan J. Fleming            Director                    March 13, 1997
- ------------------------------                                               
Jonathan J. Fleming


/s/ Zola P. Horovitz, Ph.D         Director                    March 18, 1997
- ------------------------------                                               
Zola P. Horovitz, Ph.D


/s/ Eric R. Kandel, M.D            Director                    March 13, 1997
- ------------------------------                                               
Eric R. Kandel, M.D


/s/ John E. Lyons                  Director                    March 17, 1997
- ------------------------------                                               
John E. Lyons


/s/ Sandra Panem, Ph.D             Director                    March 13, 1997
- ------------------------------                                               
Sandra Panem, Ph.D


/s/ Alison Taunton-Rigby, Ph.D     Director                    March 13, 1997
- ------------------------------                                               
Alison Taunton-Rigby, Ph.D


/s/Robert Walkingshaw              Director                    March 13, 1997
- ------------------------------                                               
Robert Walkingshaw



<PAGE>




<TABLE> <S> <C>

<ARTICLE> 5
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                       4,588,731
<SECURITIES>                                21,418,869
<RECEIVABLES>                                  191,666
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                            27,369,181
<PP&E>                                       5,559,321
<DEPRECIATION>                               2,895,192
<TOTAL-ASSETS>                              40,354,594
<CURRENT-LIABILITIES>                        1,314,233
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        76,335
<OTHER-SE>                                  38,964,026
<TOTAL-LIABILITY-AND-EQUITY>                40,354,594
<SALES>                                              0
<TOTAL-REVENUES>                             9,480,688
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              19,545
<INCOME-PRETAX>                            (2,633,055)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                        (2,633,055)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (2,633,055)
<EPS-PRIMARY>                                   (0.35)
<EPS-DILUTED>                                       0
        

</TABLE>


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