CURAGEN CORP
10-K405, 1999-03-26
COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH
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<PAGE>
 
                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                        
                                   FORM 10-K

[X] ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT
    OF 1934

                  For the fiscal year ended December 31, 1998

                                       OR

[ ] TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES
    EXCHANGE ACT OF 1934

                   For the transition period from         to
                               ________________
                                        
                       Commission File Number    0-23223

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

                                        
            Delaware                                    06-1331400
- ---------------------------------                       ----------
(State or other jurisdiction of             (I.R.S. Employer Identification No.)
 incorporation or organization)
      

 555 Long Wharf Drive, 11th Floor, New Haven, Connecticut           06511
 --------------------------------------------------------           -----
         (Address of principal executive offices)                 (Zip Code)
                                                               

      Registrant's telephone number, including area code:  (203) 401-3330

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

                         Common Stock, $0.01 par value
                         -----------------------------
                                (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 [ ]

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-K is not contained herein, and will not be contained, to the
best of the registrant's knowledge, in definitive proxy or information
statements incorporated by reference in Part III of this Form 10-K or any
amendment to this Form 10-K. [X]

The aggregate market value of voting Common Stock held by non-affiliates of the
registrant, (without admitting that any person whose shares are not included in
determining such value is an affiliate) based upon the closing sale price of the
Common Stock on March 16, 1999 as reported on the Nasdaq National Market, was
approximately $50,531,163.

    The number of shares outstanding of the Registrant's Common Stock as of
                        March 16, 1999 was 13,415,357.

                      Documents Incorporated by Reference

The registrant intends to file a definitive proxy statement pursuant to
Regulation 14A within 120 days of the end of the fiscal year ended December 31,
1998.  Portions of such proxy statement are incorporated by reference into Part
III of this report.
<PAGE>
 
                              CURAGEN CORPORATION
                                   FORM 10-K
                                     INDEX



<TABLE>
<CAPTION>
                                                                                Page
                                                                                 # 
                                        PART I                  
<S>          <C>                                                                <C>
ITEM 1.      BUSINESS                                                            3-12
ITEM 2.      PROPERTIES                                                            12
ITEM 3.      LEGAL PROCEEDINGS                                                     13 
ITEM 4.      SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS                   13
 
                                       PART II

ITEM 5.      MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED
             STOCKHOLDER MATTERS                                                   13
ITEM 6.      SELECTED FINANCIAL DATA                                               14
ITEM 7.      MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL    
             CONDITION AND RESULTS OF OPERATIONS                                15-19
ITEM 7A.     QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK            19
ITEM 8.      FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA                        20-35
ITEM 9.      CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS
             ON ACCOUNTING AND FINANCIAL DISCLOSURES                               36
 
                                       PART III

ITEM 10.     DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT                    36
ITEM 11.     EXECUTIVE COMPENSATION                                                36
ITEM 12.     SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT        36
ITEM 13.     CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS                        36

                                       PART IV

ITEM 14.     EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K    36-38   
SIGNATURES                                                                         39 
</TABLE>
<PAGE>
 
                                     PART I

ITEM 1.  BUSINESS

The following Business Section contains forward-looking statements which involve
risks and uncertainties.  The Registrant's actual results could differ
materially from those anticipated in these forward-looking statements as a
result of certain factors.  See "Management's Discussion and Analysis of
Financial Condition and Results of Operations--Certain Factors That May Affect
Results of Operations."

GENERAL

  CuraGen Corporation (the "Company" or "CuraGen") is pioneering the systematic
application of genomics to accelerate the discovery and development of
therapeutic and agricultural products. CuraGen's fully-integrated genomics
technologies, processes and information systems are designed to rapidly generate
comprehensive information about gene sequences, gene expression, biological
pathways and the potential drugs that affect these pathways, each on a scale not
previously undertaken. The Company believes that it can overcome the limitations
of competing technologies, processes and databases and can condense key steps in
gene-based drug discovery and development. CuraGen believes its technology
platform will facilitate the discovery and development of highly specific and
effective drugs aimed at a variety of complex diseases such as cardiovascular
disease, stroke, cancer and metabolic disorders.

  The Company's drug discovery platform has three primary systems: the
SeqCalling system for the generation of coding sequences for expressed genes
within a sample, including sequences for rarely expressed and novel genes; the
GeneCalling system for comprehensive gene expression analysis and gene
discovery; and the PathCalling system for discovery of the roles of genes and
the proteins they encode in biological pathways.  The Company has unified its
SeqCalling, GeneCalling, and PathCalling technologies, processes and databases
under its GeneScape bioinformatics operating system to integrate all aspects of
process management, data analysis and visualization. GeneScape provides an easy-
to-use, web-based interface to the Company's technology platform. Customers can
access the GeneScape interface via the internet, using any standard web-browser,
such as Netscape Navigator or Microsoft Internet Explorer. Genescape's
architecture allows researchers interactive, remote access to the Company's
genomics databases and technologies to meet their individual discovery and
development needs. GeneScape also includes CuraTools, a full-featured
bioinformatics software suite for further gene and protein characterization.

  In addition to accelerating the discovery of new drug candidates, the Company
believes its SeqCalling, GeneCalling, and PathCalling systems are well-
positioned to predict the efficacy and safety of drug candidates currently in
pharmaceutical development pipelines and to review the performance and side
effects of drugs already on the market. This pharmacogenomics approach can aid
in the development of more effective, safer drugs and identify more appropriate
patient populations.

  Each of the SeqCalling, GeneCalling, and PathCalling systems consists of a
proprietary enabling technology, a high-throughput, automated process using the
technology to generate information, and a database containing the information
generated. The SeqCalling, GeneCalling, and PathCalling systems are currently
operational, and the Company is currently populating the SeqCalling,
GeneCalling, and PathCalling databases from internal research programs and
research collaborations, as well as from publicly available databases. The
Company has designed the three systems as an integrated platform to enable gene
discovery, drug target validation and high-throughput analysis of drug
candidates in a highly efficient and cost-effective manner. CuraGen has decided
to lessen the extent to which it is developing its HitCalling technology.
Although the Company considers this technology to be of benefit in the future,
CuraGen intends to emphasize the continued development and enhancement of the
other technologies that currently comprise its integrated genomics suite.

OVERVIEW

  Successful treatment of disease is often limited by a lack of understanding of
its initiation and progression at the level of genes, proteins and biological
pathways. Technologies and processes that have been used successfully in the
past to discover treatments for diseases with relatively simple causes have been
less effective against complex diseases that arise through a combination of
multiple genetic and environmental factors. Cardiovascular disease, cancer,
stroke and metabolic disorders are examples of prevalent complex diseases.
Treating these complex diseases requires an understanding of how the body uses
its genetic information, how disruptions in this information can lead to disease
and, in turn, how drugs can arrest or reverse disease progression. As scientific
advances improve our understanding of the genetic basis of disease, the Company
believes that the methods the pharmaceutical industry

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<PAGE>
 
uses to develop new drugs will undergo a fundamental transformation. Companies
that can anticipate this transformation and develop and apply new technologies
may have a unique opportunity to develop the next generation of therapeutic
products for important complex diseases.

  In recent years, scientists have begun to analyze large portions of the
genetic information contained within the human genome. This discipline, termed
genomics, employs large-scale efforts catalyzed by the Human Genome Project. By
understanding the role of genes in the control and function of biological
pathways and cellular processes, scientists seek to understand more fully the
genetic basis of disease and develop more effective treatments. To date,
however, neither the pharmaceutical nor the agricultural industries have used
genomics extensively to develop new product opportunities. These industries have
used genomics to a limited extent for three primary reasons: technologies have
been inadequate; inefficient, non-automated discovery processes have
incompletely evaluated the influence of genetic and environmental factors; and
uniform information systems to drive the discovery process have been
unavailable.

  Treatment of complex diseases remains a major technical challenge and will
require an integrated set of genomic technologies and processes. CuraGen
believes that knowledge of genes, proteins, biological pathways and their
interplay with the environment, together with information systems to use this
knowledge, will accelerate drug discovery and development. CuraGen has developed
its technologies, processes and information systems to provide this knowledge
and is applying its integrated platform towards the discovery and development of
the next generation of genomics-based therapeutic, diagnostic and agricultural
products.

  CuraGen was incorporated in Delaware in November 1991.  Its principal
executive offices are located at 555 Long Wharf Drive, 11/th/ Floor, New Haven,
Connecticut 06511, and its telephone number is (203) 401-3330.

  GeneScape(R) and GeneCalling(R) are trademarks of the Company which have been
registered with the United States Patent and Trademark Office.
PathCalling/(TM)/, SeqCalling/(TM)/, CuraTools/(TM)/, CuraShop/(TM)/,
CuraTox/(TM)/, and CuraMode/(TM)/ are trademarks or service marks of the Company
for which registration applications have been filed with the United States
Patent and Trademark Office. All other trademarks or trade names referred to
herein are the property of their respective owners.

CURAGEN'S APPROACH TO GENE-BASED DRUG DISCOVERY

  CuraGen's integrated genomics technologies, processes and information systems
are designed to overcome significant technological limitations and condense key
steps in gene-based drug discovery and development. The Company believes that
its technology platform has the potential to rapidly generate comprehensive
information about gene expression, biological pathways and the compounds
affecting these pathways, each on a scale not previously undertaken. CuraGen
believes this will permit the comprehensive analysis of many diseases and enable
the discovery of disease-related genes, drug targets and potential drugs.

  Gene Discovery (SeqCalling and GeneCalling)

  CuraGen has developed its proprietary SeqCalling and GeneCalling technologies
to overcome significant limitations of existing gene discovery methods.
SeqCalling provides a rapid route to generating comprehensive sequence databases
of expressed genes from any species, while GeneCalling enables the rapid,
precise measurement of substantially all of the differences in gene expression
levels between biological samples in order to discover disease-related genes.
GeneCalling is designed to detect genes expressed at the level of a single mRNA
molecule per cell, to measure comprehensively the expression levels of 95% of
the genes expressed in any species and to be integrated into an efficient,
automated, high-throughput process in order to rapidly generate large databases
of gene expression profiles. These technologies permit the Company to pursue
research programs for many disease systems, process many samples in parallel and
potentially discover and seek patent protection for commercially valuable
disease-related genes.

  Target Identification and Validation (PathCalling)

  The Company has developed its proprietary PathCalling technologies to reduce
the time and cost of target identification and validation. PathCalling is an
automated, high-throughput process that tests for interactions between
combinations of proteins and assembles these protein-protein interactions into
the PathCalling database.  Although the PathCalling database is still at a
relatively early stage, the Company intends to continue to populate the
PathCalling database with the protein-protein interactions that constitute the
pathways in humans and model organisms that are relevant to disease. By
identifying protein-protein interactions and comparing them with pathways within
the PathCalling database, the role of these proteins within a given biological
pathway can be elucidated and the database further augmented. PathCalling is
designed to permit disease-related genes to be linked

                                       4
<PAGE>
 
rapidly to specific biological pathways, providing valuable biological context
for gene discoveries and additional targets for therapeutic intervention. The
Company believes that its PathCalling database has the potential to streamline
target identification and validation into a single, efficient, accelerated
process. The Company further believes that the number of pathway-related
protein-protein interactions currently in its proprietary PathCalling database
is greater than the total number of interactions previously described in the
scientific literature.

  Drug Development and Pharmacogenomics (SeqCalling; GeneCalling; PathCalling)

  The Company believes that its SeqCalling, GeneCalling and PathCalling
technologies can also be used to predict which drugs are more likely to succeed
by analyzing gene expression changes induced by drug treatment in humans and
animal models in preclinical and clinical trials. For drugs already on the
market, the Company has commenced generating GeneCalling databases with the
objective of selecting appropriate patient populations and accelerating the
development of an improved generation of drugs with fewer side effects. By
providing a precise correlation of gene expression levels and the activities of
biological pathways following treatment with specific drugs, the objective of
the Company's pharmacogenomics approach is to minimize the side effects of
drugs, to identify appropriate patient populations for existing drugs and to aid
in the development of safer, more effective drugs.  cSNPs from our SeqCalling
database, which are human genetic variations that are found in the coding
regions of genes, can then be assigned to the differentially expressed genes to
identify potential markers for future patient selection.

  Technology Integration and Information Systems (GeneScape)

  The Company has integrated its SeqCalling, GeneCalling, and PathCalling
process and databases under its GeneScape bioinformatics operating system that
unifies all aspects of process management, data analysis and visualization.
CuraGen's goal is to establish its fully-integrated technology and the GeneScape
operating system as the preferred platform for genomics and to apply its
platform to accelerate drug discovery, drug development and pharmacogenomics.
GeneScape provides a standardized, web-based interface to its technology
platform, thereby allowing researchers remote access and interactive
capabilities from multiple sites to meet their individual discovery and
development needs.

PRODUCTS AND SERVICES

  CuraGen is marketing its genomics technology and information to the
pharmaceutical, biotechnology agricultural, and other life science companies
through the establishment of research collaborations. Research collaborations
generally involve the application of CuraGen's SeqCalling, GeneCalling, and
PathCalling technologies to a collaborator's projects, include those support
services required to characterize gene and target discoveries, include
subscriptions to databases, and provide ready integration with a collaborator's
existing development pipeline.  These arrangements will use the GeneScape
operating system, the Company's web-based software that manages the Company's
processes, and provides access to the Company's databases and includes
CuraTools, a full-featured bioinformatics software suite.

  SeqCalling and GeneCalling: Gene Sequencing and Gene Expression Services
  and Databases

  CuraGen developed its proprietary SeqCalling, and GeneCalling technologies to
overcome significant limitations of competing gene and gene sequence discovery
methods. GeneCalling is the Company's method for generating and analyzing gene
expression profiles. GeneScape is the Company's information system and database
that analyzes and stores differences in gene expression profiles to identify
disease-related genes. GeneCalling permits sensitive detection of genes that can
control biological pathways when expressed at very low levels, and unlike
expressed sequence tags (EST)-based methods, does not require repetitive
sequencing to measure gene expression. The Company's technology is comprehensive
in detecting genes with novel sequences and is therefore applicable universally
to humans, animals, plants, and pathogens. In comparison, hybridization-based
methods are primarily limited to known genes and do not readily discriminate
between the many genes that share related DNA sequences.

  SeqCalling provides a rapid route to generating comprehensive sequence
databases of expressed genes from any species and is useful for identifying
human genetic variations known as Single Nucleotide Polymorphisms (SNPs).
SeqCalling is also beneficial in identifying cSNPs, which are located within the
coding regions of genes. cSNPs are of increasing value in research because they
are believed to be useful markers in the identification of disease genes and
genetic differences, which may determine the response of a patient to disease,
and to drug treatment.

                                       5
<PAGE>
 
  GeneCalling provides the ability to discover disease-related genes by
measuring expression levels and determining gene expression differences between
biological samples, such as diseased and normal human tissues. These samples are
usually processed within a month of receipt, and profiles of gene expression
levels are available immediately for inspection and analysis.

  Through GeneCalling, CuraGen has developed an innovative approach for gene
discovery for inherited diseases: positional expression cloning. By combining
its gene expression analysis with existing gene mapping techniques, the Company
can rapidly discover genes associated with inherited diseases by identifying
candidate genes that both show altered expression and map to the chromosomal
locations known to contain underlying disease genes. The Company believes its
positional expression cloning approach will be particularly effective in
identifying and characterizing susceptibility and protective genes in many
common complex diseases.

  The Company believes that its technology for disease-related gene discovery
has significant advantages over positional cloning, competing genome sequencing,
and gene expression technologies. CuraGen's methods permit the Company to pursue
research programs for many disease systems in parallel, with the potential to
rapidly identify a large number of commercially valuable disease-related genes.
As part of its internal programs, the Company seeks patent protection for newly
discovered disease-related genes and proteins, as well as for novel uses of
known genes and the proteins they encode.

  PathCalling: Pathway Analysis Services and Database

  Once genes involved in a disease have been identified using GeneCalling, it is
important to be able to determine how the proteins they encode interact in the
complex pathways involved in the disease. Although a particular disease-related
protein might not be a potential protein drug or drug discovery target,
knowledge of the other proteins in the same pathway may lead to promising
protein drug or target candidates. CuraGen's PathCalling technologies and
database were developed to provide the link between disease-related proteins and
their biological pathways to aid in the identification and validation of
appropriate targets following the discovery of a disease-related gene.

  PathCalling consists of proprietary automated, high-throughput biological
operations that simultaneously test for interactions between of pairs of
proteins. PathCalling then assembles discovered protein-protein interactions
into connected biological pathways, including pathways discovered previously by
CuraGen or previously described in the scientific literature. Although the
PathCalling technology and database are still at a relatively early stage, the
Company's objective is to continue to build the PathCalling database to contain
protein-protein interactions that constitute the pathways that are relevant to
disease. The PathCalling database permits the graphical display of all pathways
contained in the database involving any particular protein and allows these
pathways to be queried for information in much the same way gene sequence
databases are queried today. The Company believes that this will facilitate the
rapid linkage of disease-related genes to specific biological pathways,
providing the crucial biological context for gene discoveries, which may lead to
the identification of potential targets for therapeutic intervention.

  The Company seeks patent protection on the utility of specific proteins or
protein-protein interactions as drug targets based on information provided by
PathCalling, in addition to composition of matter claims based on the sequences
of novel and non-obvious proteins and the genes encoding them. There can be no
assurance, however, that such patents will be granted.

  GeneScape Operating System for Genomics

  CuraGen designed its GeneScape bioinformatics software to meet the needs of
researchers for a single operating system which integrates research requests,
project management, database access and data analysis and visualization. The
Company's GeneScape web-based bioinformatics operating system provides the user
with a standardized, internet-enabled interface to its processes and databases
for SeqCalling, GeneCalling, and PathCalling. GeneScape operates on any computer
platform that supports a standard web browser. GeneScape is designed to be
modular and extendable to incorporate other processes. GeneScape currently
consists of three components: Discovery, Study Management, and CuraTools.

  Discovery.   The Discovery component manages queries to the SeqCalling,
GeneCalling, and PathCalling databases. GeneScape provides data analysis and
visualization through a flexible, easy-to-use point-and-click interface
organized in three sections corresponding to SeqCalling, GeneCalling, and
PathCalling. GeneScape provides the answers to queries in visual format,
organized according to preferences set by the end user: differential gene
expression; expression in particular samples, tissues, or disease stages;
participation in metabolic or signal transduction pathways; map position;
functional role; interactions with proteins or small molecules; or other custom
criteria. The Company believes that the ability to respond to direct queries
with the comprehensive analysis of gene

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<PAGE>
 
expression and biological pathways may make GeneScape a preferred platform for
discovering disease-related genes and drug discovery targets.

  Study Management.   CuraGen's collaborators can manage processes and resources
over the Internet to meet their individual research needs. Separate links on the
Study Management page provide direct, up-to-the-minute status reports for
projects, individual processes within projects, and resource allocation among
projects and processes. Study Management automates the operation of every
station in the SeqCalling, GeneCalling, and PathCalling process and monitors
quality control at each processing step.

  CuraTools.   The GeneScape operating system also includes CuraTools, an easy-
to-use, unified bioinformatics software package for DNA and protein sequence
analysis; sequence similarity to known genes, protein drugs and protein targets;
three-dimensional structure prediction; identification of proteins participating
in biological pathways; and custom literature searches. CuraTools also provides
users with access to publicly available sequence, mapping and expression
databases that the Company has imported, assembled, and annotated for enhanced
value. In addition, the Company has assembled proprietary sequence and mapping
databases for portions of the corn, mouse, rat and human genomes. Collaborators
can elect to have CuraGen link their own proprietary or third-party sequence
databases into GeneScape and CuraTools for their own exclusive use.

  CuraShop

  Through its CuraShop, the Company now offers its collaborators services that
will complement its proprietary SeqCalling, GeneCalling, and PathCalling
technologies. CuraShop can provide high-throughput, efficient and essential
research services including confirmation of gene expression differences, gene
sequencing, delivery of full-length clones of genes, gene mapping and mutation
detection. These services and materials can all be requested, for a fee,
directly through GeneScape.

RESEARCH COLLABORATIONS

  The Company's business strategy includes the establishment of research
collaborations with pharmaceutical, biotechnology, agricultural and other life
science companies. The Company anticipates that such collaborations will
generally provide revenues in the form of fees for the generation of gene
sequences, gene expressions, or biological pathway data from samples provided by
a collaborator. The collaborator will have the ability to control how resources
are allocated to generate SeqCalling, GeneCalling and PathCalling databases and
to perform additional research services through CuraShop, including the
sequencing of gene fragments and the generation of full-length clones. The
Company expects that collaborators will have the right to license, for an up-
front fee, discoveries arising from a collaboration, including rights to novel
genes, novel uses of previously identified genes, and protein targets and hits.
Collaborations may also include milestone payments and royalty payments on sales
of products developed using discoveries made through the use of the Company's
technology.

  The Company also intends to seek to enter into other research collaborations
that provide the Company access to complementary technologies. To date, the
Company has entered into significant collaborations with Pioneer Hi-Bred
International, Inc. ("Pioneer Hi-Bred"), Genentech, Inc. ("Genentech"), Biogen,
Inc. ("Biogen"), and Glaxo Wellcome, Inc. ("Glaxo"). The loss of any one of
these collaborations could have a material adverse effect on the Company's
business, financial condition, and results of operations.

  Pioneer Hi-Bred 

  Effective June 1, 1997, the Company entered into a Collaborative Research and
License Agreement with Pioneer Hi-Bred whereby the Company agreed to perform
research that will be funded by Pioneer Hi-Bred. In conjunction with the
execution of this agreement, Pioneer Hi-Bred made a $7,500,000 equity investment
in the Company.  In addition, Pioneer Hi-Bred paid the Company at a rate of
$2,500,000 per year, for the first 10 months, in quarterly installments due in
advance, on or before the first day of each calendar quarter.  In March 1998,
Pioneer Hi-Bred increased the minimum annual research funding to $5,000,000 per
year. Pioneer Hi-Bred has the right to terminate the research program at any
time upon a breach by the Company and on three months' written notice at any
time after May 2000.  The $5,000,000 per year fee is based upon an established
number of CuraGen employees whom will be devoted to the Pioneer Hi-Bred
research.

                                       7
<PAGE>
 
  Genentech

  In June 1996, the Company entered into a Pilot Research Services and
Evaluation Agreement with Genentech pursuant to which the Company performed
certain research services for a $200,000 fee. The pilot collaboration was
superseded by the Evaluation Agreement, signed and effective December 27, 1996,
pursuant to which the Company performed additional research services during 1997
for a research fee of $667,000 payable in four equal installments of $166,750.
The Company completed the research within four months of the receipt of tissue
samples from Genentech as required by the Evaluation Agreement.  In connection
with the execution of the Evaluation Agreement, Genentech made an equity
investment of $1,800,000 in the form of 307,167 shares of Series A Convertible
Preferred Stock.

  In November 1997, CuraGen and Genentech entered into a research collaboration
and database subscription arrangement to discover novel genes and therapeutics
across a range of Genentech-specified disease programs. Genentech will
additionally provide funding of up to $24,000,000 over five years if the
database subscription arrangement is not terminated, the research collaboration
continues for the full five-year term and Genentech elects to retain licenses to
its discoveries.   Genentech has the right to terminate the research
collaboration, upon a breach by the Company of any material obligation under the
Genentech Agreement or at its sole discretion, on one month's prior notice (i)
in May 1999, subject to its payment of a termination fee or forgiveness of the
portion of the loan facility outstanding on such termination date and (ii) on or
after November 2000. Genentech has an option to acquire licenses to certain
discoveries arising from the collaboration.  Pursuant to the agreement,
Genentech also purchased $5,000,000 of Common Stock in a private placement
concurrent with the Company's initial public offering at the initial public
offering price of $11.50 per share. Genentech also agreed to provide CuraGen
with an interest-bearing loan facility which could in the aggregate reach
$26,000,000 if the research program continues beyond its initial three year
term. The loan facility contains annual borrowing limits and the outstanding
principal and interest under the loan facility are payable five years from the
date of the agreement. Subject to certain limitations, during the term of the
agreement, and after the end of the first year, the drawn-down portion of the
loan is convertible at CuraGen's option into CuraGen non-voting Common Stock,
par value $.01 per share (the "Non-Voting Common Stock") based upon a formula
that approximates the prevailing market price of the Company's Common Stock. If
issued, the Non-Voting Common Stock is convertible, at Genentech's option, into
Common Stock (i) at any time, at Genentech's option or (ii) upon the sale or
transfer of the Non-Voting Common Stock to a non-affiliated party.

  Biogen

  In October 1997, CuraGen and Biogen entered into a research collaboration and
database subscription arrangement to discover novel genes and therapeutics
across a range of Biogen-specified disease programs. The parties also expect to
conduct pharmacogenomic analysis of selected products and product candidates in
Biogen's portfolio. The collaboration will provide Biogen with access to
CuraGen's proprietary genomics platform, including the GeneScape bioinformatics
operating system in order to generate GeneCalling and PathCalling databases from
Biogen-specified disease systems. Pursuant to the agreement, Biogen purchased
$5,000,000 of Common Stock in a private placement concurrent with the initial
public offering at the initial public offering price of $11.50 per share, and
agreed to provide a $10,000,000 interest-bearing loan facility. At any time
during the term of the agreement, the loan is convertible at the Company's
option into Common Stock based upon a formula that approximates its prevailing
market price. Biogen will additionally provide payments over five years to
support a research collaboration to generate project-specific GeneCalling and
PathCalling databases from Biogen-specified disease systems and to gain
non-exclusive access to the Company's GeneCalling and PathCalling subscription
databases. Payments could reach $18,500,000 if the research collaboration and
database subscription arrangement both continue for the full five-year term.
Biogen has an option to acquire exclusive licenses to certain discoveries
arising from the collaboration. Biogen has the right to terminate the research
collaboration upon any breach by the Company of any material obligation under
the Biogen Agreement or at its sole discretion at any time after October 1999,
on six months' written notice. In addition, Biogen may terminate its
subscription to the Company's GeneCalling and PathCalling databases at any time
upon three months' written notice.

  Glaxo 

  In November 1998, CuraGen and Glaxo announced a drug discovery collaboration
to utilize CuraGen's integrated genomics processes for the study and selection
of Glaxo compounds for clinical development.  This pharmacogenomics
collaboration, up to five years in duration, is intended to enable Glaxo to
select drug candidates with the highest likelihood of success in clinical
trials.  Specifically, CuraGen will evaluate numerous compounds across Glaxo
therapeutic programs, identifying gene responses associated with compound
efficacy and toxicity. Under the terms of the agreement, the Company will
receive $2,750,000 per year, plus additional milestone and royalty payments if
any drugs emerge from this collaboration.  Either party may terminate the
pharmacogenomics collaboration without cause at its sole discretion upon three
months prior written notice to the other party,

                                       8
<PAGE>
 
however neither party may terminate this agreement prior to fifteen months after
the effective date of the agreement.

CURAGEN INTERNAL PROGRAMS

  The Company intends to use its integrated genomics technology platform to
pursue a broad portfolio of research programs that encompass drug discovery,
drug development and pharmacogenomics. During the next five years, the Company's
objective is to analyze systematically the genetic basis of many common diseases
as well as the mechanisms of action and adverse side effects of many commonly
prescribed drugs. CuraGen is focusing its efforts on programs that address unmet
medical needs and that the Company believes have the potential to yield products
that can be commercialized in a relatively short time. In particular, the
Company selects human diseases and animal models of human disease based on their
potential to yield protein drugs, to identify novel targets for common diseases
that lack effective treatments or to aid rational development or marketing of
existing drugs. At each stage, the Company plans to reevaluate the relative
merits of continuing such programs through internal efforts or through research
collaborations.

  Discovery Programs

  The Company currently has programs in cardiovascular disease, including
hypertension and stroke; endocrine and metabolic disorders, including obesity,
diabetes and osteoporosis; autoimmune disorders including arthritis; cancer; and
infectious diseases.

  Certain of the genetic disease models selected by the Company are designed to
discover variations of genes that protect individuals from disease in addition
to finding mutations in genes that are involved in the susceptibility, onset or
progression of disease. The Company intends to explore the potential of the
proteins encoded by protective genes as protein drugs. The Company has already
identified gene variants that are potentially protective in stroke. The Company
has also discovered mutations in genes involved in diabetes and hypertension,
one of which the Company believes may be a suitable target for small molecule
drug development.

  Cardiovascular Disease and Stroke.   Cardiovascular diseases such as stroke
and arteriosclerosis are the leading cause of death in the United States.
Treatments for these diseases have limited efficacy. CuraGen is analyzing
genetic models of hypertension and ischemic stroke to identify disease-related
genes. This strategy has led to the discovery of a secreted protein variant that
appears to protect against stroke and the discovery of a gene that may
contribute to hypertension.

  Endocrine and Metabolic Diseases.   Within the field of endocrine and
metabolic diseases, CuraGen is analyzing a variety of genetic and cell-based
models including obesity, type II diabetes, osteoporosis, osteoarthritis and
gall stone disease. The Company believes that its technology platform is well-
suited to identifying the genes and pathways involved in these diseases, which
are known to involve errors in signal transduction and the regulation of
metabolic pathways. To date, the Company has used SeqCalling and GeneCalling to
discover genes associated with these diseases and is using PathCalling in an
attempt to identify disease-related pathways and potential targets for drug
discovery. The Company believes that this information may also lead to the
discovery of protein drugs.

  Autoimmunity, Arthritis and Allergy.   Although diseases of the immune system,
such as systemic lupus erythematosus and rheumatoid arthritis, are among the
most common and chronic, existing drugs for autoimmune diseases have exhibited
limited efficacy and debilitating side effects.  The Company has filed for
patent protection related to potential drug targets in this area.

  Cancer.   Cancer encompasses disease processes of almost every organ system
and involves the loss of control of multiple, diverse mechanisms of signal
transduction and pathway regulation. CuraGen is applying SeqCalling, GeneCalling
and PathCalling to identify the genes, sequences, and pathways involved in the
early development of cancer and its step-wise progression to metastatic disease.
CuraGen has analyzed a number of models of cancer and has identified pathways
incorporating proteins common to many of the models.

  Pharmacogenomics

  The Company believes that the application of GeneCalling to identify genes
that are differentially expressed in response to treatment with drug candidates
and marketed drugs represents a significant commercial opportunity. Using this
approach, the tissues targeted by the drug, as well as the organs that might
exhibit side effects, including liver or kidney damage, can be studied in animal
models thought to be indicative of human response. The Company believes that
this information may help pharmaceutical companies select and optimize drug
candidates based on efficacy and reduced side effects. In addition to reducing
the time and cost of developing drugs, the Company

                                       9
<PAGE>
 
believes that such results may strengthen Food and Drug Administration ("FDA")
applications. For drugs already on the market, an understanding of the mechanism
of action through pharmacogenomics can help identify appropriate patient
populations and lead to an improved generation of drugs.

  The Company has begun to analyze drugs whose commercial viability or clinical
indications are threatened either by a lack of understanding of mechanism of
action or by severe side effects. The Company's goal is to generate databases
(CuraTox and CuraMode) to provide pharmacology and toxicology information, to
understand the mechanism of drug action, to identify patient populations that
are likely to respond favorably to a particular medication and, potentially, to
identify new indications or more optimal targets.

COMPETITION

  The Company faces, and will continue to face, intense competition from
pharmaceutical, biotechnology and diagnostic companies, as well as academic and
research institutions and government agencies. The Company is subject to
significant competition from organizations that are pursuing technologies and
products that are the same as or similar to the Company's technology and
products. Many of the organizations competing with the Company have greater
capital resources, research and development staffs and facilities and marketing
capabilities than the Company. In addition, research in the field of genomics
generally is highly competitive. Competitors of the Company in the genomics area
include, among others, public companies such as Affymetrix, Inc., Human Genome
Sciences, Inc., Incyte Pharmaceuticals, Inc., Millennium Pharmaceuticals, Inc.,
and Celera Genomics, a subsidiary of Perkin-Elmer Corporation, as well as
private companies and major pharmaceutical companies. Universities and other
research institutions, including those receiving funding from the federally
funded Human Genome Project, also compete with the Company. The Company's future
success will depend in large part on its maintaining a competitive position in
the genomics field. Rapid technological development by the Company or others may
result in products or technologies becoming obsolete before the Company recovers
the expenses it incurs in connection with their development. Products offered by
the Company could be made obsolete by less expensive or more effective
technologies. There can be no assurance that the Company will be able to make
the enhancements to its technology necessary to compete successfully with newly
emerging technologies.

  A number of competitors are attempting to identify and patent genes and gene
fragments sequenced at random, typically without specific knowledge of the
function of such genes or gene fragments. The Company's competitors may
discover, characterize or develop important genes or gene fragments in advance
of the Company, which could have a material adverse effect on any related
disease research program of the Company. The Company expects competition to
intensify in genomics research as technical advances are made and become more
widely known.

INTELLECTUAL PROPERTY

  The Company's business and competitive position may depend, in part, upon its
ability to protect its SeqCalling, GeneCalling and PathCalling proprietary
technologies, processes, databases and information systems. Despite the
Company's efforts to protect its proprietary rights, unauthorized parties may
attempt to obtain and use information that the Company regards as proprietary.
The Company relies on patent, trade secret and copyright law and nondisclosure
and other contractual arrangements to protect such proprietary information. The
Company has filed patent applications for its proprietary methods and devices
for gene expression analysis, for discovery of biological pathways and for drug
screening for pharmaceutical product development. As of March 1, 1999, the
Company had 1 issued U.S. patent and 21 utility and provisional patent
applications pending with the United States Patent and Trademark Office
(''USPTO'') covering its technology and had filed several corresponding
international and foreign patent applications. There can be no assurance that
any further patents will issue. There also can be no assurance that others will
not independently develop substantially equivalent proprietary information and
techniques or otherwise gain access to the Company's proprietary information,
that such information will not be disclosed or that the Company can effectively
protect its rights to unpatented trade secrets or other proprietary information.

  The Company's commercial success will also depend in part on obtaining patent
protection on gene and protein target discoveries for which it or its
collaborators or subscribers discover utility and on products, methods and
services based on such discoveries. The Company has applied for patent
protection for novel mutants of known genes and their uses, sequences of novel
proteins and peptides and their gene sequences and uses, and novel uses for
previously identified genes discovered by third parties. The Company has sought
and intends to continue to seek patent protection for novel uses of genes and
proteins which may have been patented by third parties. In such cases, the
Company would need a license from the holder of the patent with respect to such
gene or protein in order to make, use or sell such gene or protein. There can be
no assurance that the Company will be able to acquire such licenses on
commercially reasonable terms, if at all. The Company's patent application
filings that result from the identification of genes associated with the cause
or effect of a particular disease generally seek to protect the genes and
encoded proteins if these genes and encoded proteins are, among other things,
novel and non-obvious, as well as

                                       10
<PAGE>
 
therapeutic, diagnostic and drug screening methods and products, and other
subject matter based upon a gene and its indication. Where information is
discovered on the specific biological pathway in which the protein encoded by
the gene participates, the Company also seeks to protect the newly identified
protein complex as well as the methods for identifying intervention strategies.
Each application typically contains multiple genes discovered for a particular
disease system.

  There can be no assurance that patents for the Company's products or methods
will be obtained, or that, if issued, such patents will provide substantial
protection or be of commercial benefit to the Company. The issuance of a patent
is not conclusive as to its validity or enforceability, nor does it provide the
patent holder with freedom to operate without infringing the patent rights of
others. A patent could be challenged by litigation and, if the outcome of such
litigation were adverse to the patent holder, competitors could be free to use
the subject matter covered by the patent, or the patent holder may license the
technology to others in settlement of such litigation. The invalidation of key
patents owned by or licensed to the Company or non-approval of pending patent
applications could increase competition, and result in a material adverse effect
on the Company's business, financial condition and results of operations. In
addition, there can be no assurance that any application or exploitation of the
Company's technology will not infringe patents or proprietary rights of others
or that licenses that might be required as a result of such infringement would
be available on commercially reasonable terms, if at all.  Third parties have
indicated that they believe the Company may be required to obtain license(s) in
order to perform certain processes that the Company uses in the conduct of its
business. The Company believes that if required, such license(s) would be
available on commercially reasonable terms. However, there is no assurance that
such license(s) could be obtained on terms acceptable to the Company or at all.

  The Company cannot predict whether its or its competitors' patent applications
will result in valid patents being issued. Litigation, which could result in
substantial cost to the Company, may also be necessary to enforce the Company's
patent and proprietary rights and/or to determine the scope and validity of
others' proprietary rights. The Company may participate in interference
proceedings that may in the future be declared by the USPTO in order to
determine priority of invention.  Such a proceeding could result in substantial
cost to the Company. There can be no assurance that the outcome of any such
litigation or interference proceedings will be favorable to the Company or that
the Company will be able to obtain licenses to technology that it may require or
that, if obtainable, such technology can be licensed at a reasonable cost.

  The Company also relies upon trade secret protection for some of its
confidential and proprietary information that is not subject matter for which
patent protection is being sought. The Company believes that it has developed
proprietary technology, processes and information systems for use in gene
expression and biological pathway discovery, as well as in the identification of
molecular targets for pharmaceutical development, including proprietary
biological protocols, instrumentation, robotics and automation, software and an
integrated bioinformatics system. In addition, the Company has developed a
database of proprietary gene expression patterns and biological pathways which
it updates on an ongoing basis and which can be accessed over the Internet. The
Company has taken security measures to protect its proprietary technologies,
processes, information systems and data and continues to explore ways to enhance
such security. There can be no assurance, however, that such measures will
provide adequate protection for the Company's trade secrets or other proprietary
information. While the Company requires employees, academic collaborators and
consultants to enter into confidentiality and/or non-disclosure agreements where
appropriate, there can be no assurance that proprietary information will not be
disclosed, that others will not independently develop substantially equivalent
proprietary information and techniques or otherwise gain access to the Company's
trade secrets or disclose such technology, or that the Company can meaningfully
protect its trade secrets.

GOVERNMENT REGULATION

  Prior to marketing, any new drug developed by the Company or its collaborative
customers must undergo an extensive regulatory approval process in the United
States and other countries. This regulatory process, which includes preclinical
and clinical studies, as well as post-marketing surveillance to establish a
compound's safety and efficacy, can take many years and require the expenditure
of substantial resources. Generally, in order to gain approval of the Food and
Drug Administration ("FDA"), a company first must conduct preclinical studies in
the laboratory and in animal models to gain preliminary information on a
compound's efficacy and to identify any safety problems. The results of these
studies are submitted as part of an Investigational New Drug ("IND") application
that the FDA must review before human clinical trials of an investigational drug
can start. In order to commercialize any products, the Company or its
collaborative customer will be required to sponsor and file INDs and will be
responsible for initiating and overseeing the clinical studies to demonstrate
the safety and efficacy that are necessary to obtain FDA approval of any such
products. Clinical trials are normally done in three phases and generally take
two to five years, but may take longer to complete. After completion of clinical
trials of a new product, FDA regulatory authority marketing approval must be
obtained. If the product is classified as a new drug, the Company or

                                       11
<PAGE>
 
its collaborative customer will be required to file a New Drug Application
("NDA") and receive approval before commercial marketing of the drug. If the
product is characterized as a biologic, both a Product License Application
("PLA") and an Establishment License Application ("ELA") will be required
prior to commercial marketing. The testing and approval processes require
substantial time and effort and there can be no assurance that any approval will
be granted on a timely basis, if at all. NDAs and PLAs submitted to the FDA can
take several years to obtain approval. For marketing outside the United States,
the Company will also be subject to foreign regulatory requirements governing
human clinical trials and marketing approval for pharmaceutical products. The
requirements governing the conduct of clinical trials, product licensing,
pricing and reimbursement vary widely from country to country. Delays or
rejections may also be encountered based upon changes in FDA policies for drug
approval during the period of product development and FDA regulatory review of
each submitted NDA in the case of new pharmaceutical agents, or PLA in the case
of biologics. Similar delays also may be encountered in the regulatory approval
of any diagnostic product and in obtaining regulatory approvals in foreign
countries. Under current guidelines, proposals to conduct clinical research
involving gene therapy at institutions supported by the National Institutes of
Health ("NIH") must be approved by the Recombinant DNA Advisory Committee and
the NIH. There can be no assurance that regulatory approval will be obtained for
any drugs or diagnostic products developed by the Company or its collaborative
customers. Furthermore, regulatory approval may impose limitations on the
indicated use of a drug. Because certain of the products likely to result from
the Company's disease research programs involve the application of new
technologies and may be based upon a new therapeutic approach, such products may
be subject to substantial additional review by various government regulatory
authorities and, as a result, regulatory approvals may be obtained more slowly
than for products using more conventional technologies.

  Even if regulatory approval is obtained, a marketed product and its
manufacturer are subject to continuing review. Discovery of previously unknown
problems with a product may have adverse effects on the Company's business,
financial condition and results of operations, including withdrawal of the
product from the market. Violations of regulatory requirements at any stage,
including preclinical studies and clinical trials, the approval process or post-
approval, may result in various adverse consequences to the Company, including
the FDA's delay in approval or refusal to approve a product, withdrawal of an
approved product from the market or the imposition of criminal penalties against
the manufacturer and NDA or PLA holder. The Company has not submitted an IND for
any product candidate, and no product candidate has been approved for
commercialization in the United States or elsewhere. The Company intends to rely
primarily on its collaborators to file INDs and generally direct the regulatory
approval process. No assurance can be given that the Company or any of its
collaborators will be able to conduct clinical testing or obtain the necessary
approvals from the FDA or other regulatory authorities for any products. Failure
to obtain required governmental approvals will delay or preclude the Company's
collaborators from marketing drugs or diagnostic products developed by the
Company or limit the commercial use of such products and could have a material
adverse effect on the Company's business, financial condition and results of
operations.

  The Company's research and development activities involve the controlled use
of hazardous materials, chemicals and various radioactive materials. The Company
is subject to federal, state and local laws and regulations governing the use,
storage, handling and disposal of such materials and certain waste products.
Although the Company believes that its safety procedures for handling and
disposing of such materials comply with the standards prescribed by federal,
state and local laws and regulations, the risk of accidental contamination or
injury from these materials cannot be completely eliminated. In the event of
such an accident, the Company could be held liable for any damages that result
and any liability could exceed the resources of the Company.

EMPLOYEES

As of December 31, 1998, the Company had 303 full and part-time employees, 81 of
whom hold Ph.D. or M.D. degrees.  The employee group includes engineers,
physicians, molecular biologists, chemists and computer scientists.  The Company
believes that it maintains good relationships with its employees.  None of the
employees are covered by a collective bargaining agreement, nor has the Company
experienced any work stoppages.  The Company believes that its future success
will depend in large part on its ability to attract and retain experienced and
skilled employees.

ITEM 2.   PROPERTIES

The Company's corporate headquarters are in New Haven, Connecticut where its
primary research laboratories, bioinformatics and administrative offices are
located.  The Company also maintains two other locations in Branford,
Connecticut and Alachua, Florida.  The Company leases a total of 85,000 square
feet at all three locations.  The leases are generally for terms of two to five
years, and usually provide renewal options for terms of up to one year.

                                       12
<PAGE>
 
ITEM 3.  LEGAL PROCEEDINGS

The Company is not a party to any legal proceedings.

ITEM 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

No matters were submitted to a vote of the Company's security holders during the
quarter ended December 31, 1998.


                                    PART II

ITEM 5.  MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER MATTERS

Market Information

The Company's Common Stock is traded on the Nasdaq National Market under the
symbol "CRGN".  The following table sets forth, for the periods indicated, the
low and high closing prices per share for the Common Stock, as reported by the
Nasdaq National Market, since the Common Stock commenced public trading on
March 18, 1998:

<TABLE>
<CAPTION>
                                                                             1998
                                                                ------------------------------- 
                                                                    Low                High
                                                                ------------       ------------
<S>                                                             <C>                <C>
Quarter Ended March 31, 1998 (from March 18, 1998)                 $11 1/2            $12 1/2
Quarter Ended June 30, 1998                                        $ 6 1/4            $12 1/2
Quarter Ended September 30, 1998                                   $     5            $ 8 1/8
Quarter Ended December 31, 1998                                    $ 5 3/8            $ 8 1/2
</TABLE>

Stockholders

As of March 16, 1999 there were approximately 103 shareholders of record of the
Common Stock and, according to the Company's estimates, 2,943 beneficial owners
of the Common Stock.

Dividends

The Company has never paid dividends on its Common Stock and does not anticipate
declaring any cash dividends in the foreseeable future.  The Company currently
intends to retain earnings, if any, to finance the development of its business.

Use of Proceeds

In connection with the Company's initial public offering, the Company sold
3,275,000 shares of its Common Stock and received net offering proceeds of
$33,160,350.  On March 17, 1998, the Securities and Exchange Commission declared
the Company's Registration Statement on Form S-1 (File No. 333-38051) effective.

The following table sets forth the Company's cumulative use of net offering
proceeds as of December 31, 1998:


<TABLE>
<S>                                                             <C>
Construction of plant, building and facilities                  $         0
Purchase and installation of machinery and equipment              4,960,241
Purchase of Real Estate                                                   0
Acquisition of other businesses                                           0
Repayment of indebtedness                                         1,967,631
Working Capital                                                   7,976,766
Temporary Investments:
    Cash and cash equivalents                                    17,811,770
All other purposes                                                        0
</TABLE>

The foregoing use of net offering proceeds does not represent a material change
in the use of proceeds described in the Registration Statement.

                                       13
<PAGE>
 
ITEM 6.  SELECTED FINANCIAL DATA

The selected financial data set forth below for each of the three years in the
period ended December 31, 1998 are derived from the Company's balance sheets as
of December 31, 1997 and 1998 and the related audited statements of operations,
of stockholders' equity (deficiency) and of cash flows for the three years ended
December 31, 1996, 1997 and 1998 and notes thereto as audited by Deloitte &
Touche LLP, independent auditors. The selected financial data as of December 31,
1995 and 1994 and for the two years in the period ended December 31, 1995 have
been derived from the related financial statements of the Company, which have
also been audited by Deloitte & Touche LLP, independent auditors. The selected
financial data set forth below should be read in conjunction with, and are
qualified by reference to, "Management's Discussion and Analysis of Financial
Condition and Results of Operations" and the Company's audited financial
statements.

<TABLE>
<CAPTION>
                                                                     Year Ended December 31,
                                        -------------------------------------------------------------------------------
                                              1998             1997           1996(1)           1995            1994
                                        -------------------------------------------------------------------------------
<S>                                       <C>              <C>             <C>              <C>             <C>
Statement of Operations Data:
Total revenue                             $  9,257,025     $ 5,896,543     $4,422,947       $ 1,581,175     $   257,536
Net loss attributable to                  $(18,936,920)    $(7,290,434)    $ (606,241)      $(1,088,605)    $(1,041,506)
   common stockholders
Net loss per share attributable
   to common stockholders                       $(1.55)         $(0.92)        $(0.12)           $(0.22)         $(0.22)
Weighted average number of
   common shares outstanding                12,201,006       7,888,383      5,097,073         4,915,087       4,681,256
 
                                                                          December 31,
                                        -------------------------------------------------------------------------------
                                                  1998            1997           1996              1995            1994
                                        -------------------------------------------------------------------------------
Balance Sheet Data:
Total assets                              $ 60,804,501     $26,519,029     $5,653,391       $ 1,006,816     $   795,161
Total long-term liabilities               $  6,983,927     $ 4,375,125     $1,908,915       $   897,691     $   622,591
Cash and cash equivalents                 $ 43,293,995     $17,417,161     $3,298,642       $     9,129     $   276,890
Cash dividends declared                           None            None           None              None            None
   per common share
</TABLE>
                                                                                
(1) During the year ended December 31, 1996, the Company completed its
    development stage activities with the signing of its first collaborative
    research agreement and commenced its planned principal operations.

                                       14
<PAGE>
 
ITEM 7.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATIONS

Overview

CuraGen Corporation (the "Company" or "CuraGen") is a biotechnology company
focusing on the application of genomics to the systematic discovery of genes,
biological pathways and drug candidates in order to accelerate the discovery and
development of the next generation of therapeutic, agricultural and diagnostic
products.  The Company was incorporated in November 1991 and, until March 1993,
was engaged primarily in organizational activities, research and development of
the Company's technology, grant preparation and obtaining financing.  The
Company has incurred losses since inception, principally as a result of research
and development and general and administrative expenses in support of its
operations.  The Company anticipates incurring additional losses over at least
the next several years as it expands its internal and collaborative gene
discovery efforts, continues development of its technology and expands its
operations.  The Company expects that losses will fluctuate from quarter to
quarter and that such fluctuations may be substantial.

In March 1998, the Company completed an initial public offering of 3,000,000
shares of its Common Stock and received net proceeds of  $30,200,000.
Concurrent with the completion of the initial public offering, the Company
privately placed an aggregate of 956,520 shares of Common Stock and received net
proceeds of $5,000,000 each from Biogen, Inc. ("Biogen") and Genentech, Inc.
("Genentech"), two of the Company's collaborative partners and existing
stockholders, and $1,000,000 from the University of Florida Research Foundation,
Inc. Accordingly, the combined net proceeds raised by the Company from the
offering and the concurrent private placements were $41,200,000. In addition, in
April 1998, the Company's underwriters exercised their option to purchase an
additional 275,000 shares of Common Stock at a price of $11.50 per share to
cover over-allotments,  providing CuraGen with additional net proceeds of
$2,900,000.

The Company anticipates that collaborations will become an increasingly
important element of its business strategy and future revenues. The Company also
expects that in future years government grant revenues will decrease, both in
actual dollar amounts and as a percentage of revenues. Therefore, the loss of
revenues from existing collaborations would have a material adverse effect on
the Company's business, financial condition and results of operations. The
Company's ability to generate revenue growth and become profitable is dependent,
in part, on the ability of the Company to enter into additional collaborative
arrangements, and on the ability of the Company and its collaborative partners
to successfully commercialize products incorporating, or based on, the Company's
technologies. There can be no assurance that the Company will be able to
maintain or expand existing collaborations, enter into future collaborations to
develop applications of its SeqCalling, GeneCalling or PathCalling technologies
on terms satisfactory to the Company, if at all, or that any such collaborative
arrangements will be successful.

Failure of the Company to successfully develop and market additional products
over the next several years, or to realize existing product revenues, would have
a material adverse effect on the Company's business, financial condition and
results of operations. Royalties or other revenue generated from commercial
sales of products developed by using the Company's technologies are not expected
for at least several years, if at all.


Results of Operations

Years Ended December 31, 1998 and 1997

Revenue.  Revenue for the year ended December 31, 1998 was $9,257,025,
representing an increase of $3,360,482, or 57%, compared to $5,896,543 in 1997.
This increase was largely due to an increase in collaboration revenue due to
additional revenue recorded under the Company's arrangements with Pioneer Hi-
Bred International, Inc. ("Pioneer Hi-Bred") and Biogen, offset by a decrease in
revenue received from Genentech under the Evaluation Agreement.  See Note 4 of
Notes to Financial Statements.  In April 1998, Pioneer Hi-Bred doubled its
annual collaboration funding to the Company to a minimum of $5,000,000.  The
increase in total revenue was also due to additional grant revenue recorded as a
result of timing issues in connection with grant expenses incurred.

Operating Expenses.  Grant research expenses for the year ended December 31,
1998 were $1,858,502, representing a decrease of $2,757,384, or 60%, compared to
$4,615,886 in 1997.  The decrease in grant research expenses was primarily
attributable to the completion of two federal grants during the first quarter of
1998, thereby decreasing the costs incurred by the Company in support of these
grants.   As a result of the completion of the two federal grants, the Company
foresees a continued decline in grant research expenses in future years, unless
additional grant awards are received.

                                       15
<PAGE>
 
Collaborative research and development expenses for the year ended December 31,
1998 were $18,130,893, representing an increase of $13,004,233, or 254%,
compared to $5,126,660 for the year ended December 31, 1997.  The increase in
collaborative research and development expenses was primarily attributable to
increased expenses as the Company hired additional research and development
personnel, increased purchases of laboratory supplies, increased equipment
depreciation and increased facilities expenses in connection with the expansion
of the Company's internal and collaborative research efforts.  Future
collaborative research and development expenses are expected to continue to
increase as additional personnel are hired and research and development
facilities are expanded to accommodate additional collaborations and expanded
internal research activities.

General and administrative expenses for the year ended December 31, 1998
increased $5,647,454, or 162%, to $9,128,705 as compared to $3,481,251 for the
year ended December 31, 1997. This increase was primarily attributable to the
expansion of administration facilities, the incurrence of related depreciation
expense, payment of legal fees,  compensation related expenses in connection
with the separation agreement discussed in Note 8 of Notes to Financial
Statements, amortization of stock-based compensation and hiring of additional
personnel to support the future growth of the Company.  Over the next several
years, the Company anticipates that percentage increases in general and
administrative expenses will become more proportionate to percentage increases
in collaborative research and development expenses.

Interest Income (Expense), Net. Net interest income for the year ended December
31, 1998 of $1,432,590 increased $1,327,346 compared to $105,244 for 1997. This
increase was primarily gross interest received on larger cash and cash
equivalent balances held by the Company as a result of the Company's receipt of
proceeds from its initial public offering and concurrent private placements of
securities. Gross interest expense for the year ended December 31, 1998 of
$994,804 represented an increase of $310,267, or 45%, compared to $684,537 for
1997. This increase in gross interest expense was primarily attributable to
additional capital lease obligations for equipment entered into during the last
twelve months, which enabled the Company to support its research and development
activities.

Net Loss Attributable to Common Stockholders.  For the year ended December 31,
1998, the Company reported a net loss attributable to common stockholders of
$18,936,920, or ($1.55) per share as compared to $7,290,434, or ($0.92) per
share in 1997.  Since inception, the Company has incurred operating losses, and
as of December 31, 1998 had an accumulated deficit of $28,939,508 and therefore,
has not paid any federal income taxes.  Realization of deferred tax assets is
dependent on future earnings, if any, the timing and amount of which are
uncertain.  Accordingly, valuation allowances in amounts equal to the deferred
income tax assets have been established to reflect these uncertainties in all
periods presented.

Years Ended December 31, 1997 and 1996

Revenue.  Revenue for the year ended December 31, 1997 was $5,896,543,
representing an increase of $1,473,596, or 33%, compared to $4,422,947 in 1996.
The increase was largely due to additional collaboration revenue of $2,441,549
recorded in 1997, primarily under the Company's arrangements with Pioneer Hi-
Bred, Genentech and Biogen. The collaboration revenue increase was offset by a
decrease in grant revenue during 1997 of $967,953 as the Company changed its
revenue focus from federal grants to collaborative research.

Operating Expenses.  Grant research expenses for the year ended December 31,
1997 were $4,615,886, representing an increase of $1,550,746, or 51%, compared
to 1996. The increase in grant research expenses was primarily attributable to
increased personnel costs in support of the Company's obligations under its
federal grants.

Collaborative research and development expenses for the year ended December 31,
1997 were $5,126,660, representing an increase of $4,675,765, or 1037%, compared
to 1996. The increase in collaborative research and development expenses was
primarily attributable to increased personnel expenses as the Company hired
additional research and development personnel, increased purchases of laboratory
supplies, increased equipment depreciation and increased facilities expenses in
connection with the expansion of the Company's internal and collaborative
research efforts.

General and administrative expenses for the year ended December 31, 1997 were
$3,481,251, representing an increase of $2,340,926, or 205%, compared to
$1,140,325 for 1996. The increase was primarily attributable to the hiring of
additional personnel, the expansion of administration facilities and the
incurrence of related depreciation expense as the Company increased its
executive and administrative staffing in anticipation of future revenue growth.

                                       16
<PAGE>
 
Interest Income (Expense), Net.  Net interest income for the year ended December
31, 1997 of $105,244 increased $460,966 compared to net interest expense of
$355,722 for 1996.  This increase was primarily a result of gross interest
received on larger cash and cash equivalent balances held by the Company as a
result of the Company's receipt of proceeds from various private placements of
securities.  Gross interest expense for the year ended December 31, 1997 of
$684,537 increased $307,967, or 81%, compared to $376,570 for 1996. This
increase was due to additional capital lease obligations entered into during the
year, which enabled the Company to support research and development activities
primarily through equipment acquisitions. This increase was also due to the
additional interest expense incurred in connection with the $600,000 promissory
note due to Connecticut Innovations, Inc.  See Note 5 of Notes to Financial
Statements.

Net Loss Attributable to Common Stockholders.  For the year ended December 31,
1997, the Company reported a net loss attributable to common stockholders of
$7,290,434, or ($0.92) per share as compared to $606,241, or ($0.12) per share
in 1996.  Since inception, the Company has incurred operating losses, and as of
December 31, 1997 had an accumulated deficit of $10,511,023 and therefore, has
not paid any federal income taxes.  Realization of deferred tax assets is
dependent on future earnings, if any, the timing and amount of which are
uncertain.  Accordingly, valuation allowances in amounts equal to the deferred
income tax assets have been established to reflect these uncertainties in all
periods presented.  See Note 6 of Notes to Financial Statements.

Liquidity and Capital Resources

As of December 31, 1998, the Company had $43,293,995 in cash and cash
equivalents, compared to $17,417,161 as of December 31, 1997.  This increase was
primarily a result of the Company's receipt of net proceeds of $41,200,000 from
the Company's initial public offering, and concurrent private placements with
Biogen, Genentech and the University of Florida Research Foundation, Inc.,
offset by operating losses in support of the Company's research and development
activities.  The Company has financed its operations since inception primarily
through its initial public offering, private placements of equity securities,
government grants, collaborative research and development agreements and capital
leases.  As of December 31, 1998, the Company had recognized $21,437,129 of
cumulative sponsored research revenues from collaborative research agreements
and government grants.  To date, inflation has not had a material effect on the
Company's business.

The Company's investing activities have consisted primarily of acquisitions of
equipment and expenditures for leasehold improvements.  At December 31, 1998,
the Company's gross investment in equipment, computers and leasehold
improvements since inception was $20,100,403.  At December 31, 1998, equipment
with a gross book value of $11,091,434 secures the Company's equipment financing
facility. The Company anticipates that net proceeds of approximately $10,000,000
from its available lease line will be utilized for capital expenditures over the
next twelve months, primarily for the purchase of additional equipment and
improvements at the Company's Branford, Connecticut and Alachua, Florida
laboratories.  The Company had approximately $1,400,000 in material commitments
for capital expenditures at December 31, 1998.

Net cash used in operating activities was $9,184,466 for the twelve months ended
December 31, 1998, compared to $2,946,349 for the same period ended December 31,
1997.  The increase of  $6,238,117 can be attributed to an increase in the
Company's net loss and accrued expenses, primarily offset by increases in
accounts payable, accrued bonuses, deferred revenue and depreciation and
amortization.

As of December 31, 1998, the Company had net operating loss carryforwards of
approximately $27,400,000 to offset federal and state income taxes.  Federal net
operating loss carryforwards expire beginning in 2008, and Connecticut net
operating loss carryforwards began expiring in 1998. The Company also had
research and development tax credit carryforwards at December 31, 1998,
estimated to be approximately $1,000,000 and $2,700,000 for federal and state
income tax purposes, respectively.

Year 2000 Compliance

The "Year 2000 Problem" arose because many existing computer programs use only
the last two digits to refer to a year.  Therefore, these computer programs may
recognize a year that ends in "00" as the Year 1900 rather than the Year 2000.
For some companies, the Year 2000 problem could result in a significant
disruption of operations and an inability to process certain transactions.

Strategic Plan

Early in 1998, in conjunction with its initial public offering, the Company
assessed its internal computer systems.  It was determined that, because its
computer applications use four digits to identify a year in the field date, the
Company was in fact internally compliant with Year 2000 requirements.  However,
the Company has developed a strategic plan to estimate the potential risks
related to third parties with which it has relationships, including third

                                       17
<PAGE>
 
parties who provide non-information technology systems to the Company. The third
parties include financial institutions, vendors, payroll service providers,
collaborative partners, utility companies and granting agencies. If any of these
third parties encounter Year 2000 problems, it could potentially have a
significant outcome on the ability of the Company to effectively continue its
normal daily operations.

The initial stage of the Company's strategic plan included distribution of
inquiry letters to those third parties with whom the Company has a significant
relationship.  As of February 12, 1999 the Company had received back 50 % of the
inquiries that were sent out.  The Company is in the process of completing the
initial stage of its strategic plan by undertaking an internal evaluation of the
responses received.  Upon learning that certain third parties are not Year 2000
compliant, the Company may be required to manually process transactions, delay
vendor payments, and/or issue manual checks to employees in place of direct
deposits.  These processes, if necessary, would be a part of the second stage -
implementation, in which the Company would correct and/or replace any vendors or
vendor software that is not Year 2000 compliant, as soon as is feasible.

Costs

There have been no historical costs incurred to date by the Company related to
Year 2000 compliance.  The Company expects to complete the initial stage of its
Year 2000 strategic plan by the end of the first quarter of 1999.  The total
cost of this stage is not expected to exceed $25,000.  While the Company cannot
predict what impact the Year 2000 problem may have on third parties, it does not
currently believe that it will incur material costs in the implementation stage
of resolving potential Year 2000 problems of third parties with whom it
electronically interacts.

Risks

Until the initial stage of the Company's strategic plan is complete, the Company
cannot accurately assess the potential risks associated with non-compliance of
its external third parties.  While it is understood by the Company that the
potential effect on results of operations could be serious and could have a
material adverse affect on the Company's business or financial condition, at
this time management has not determined the entire potential level of risk.

Contingency Plan

At the present time, a contingency plan has not been developed.  The Company
will continue to monitor the need for a contingency plan based on the results of
its Year 2000 compliance strategic plan.

Recently Enacted Pronouncements

The AICPA has issued Statement of Position ("SOP") 98-1, "Accounting for Costs
of Computer Software Developed or Planned for Internal Use".  This SOP provides
guidance on accounting for the costs of computer software developed or obtained
for internal use.  This SOP requires that the following costs be capitalized: 1)
external direct costs of materials and services incurred in developing or
obtaining internal-use computer software; 2) payroll and payroll-related costs
for employees who are directly associated with and devote time to the internal-
use software project (to the extent of time spent directly on the project); and
3) interest costs.  Computer software costs that are research and development
should be expensed as incurred.  In addition, training costs should be expensed
as incurred.  This statement is effective for financial statements for fiscal
years beginning after December 15, 1998, however, earlier application is
encouraged.  The Company will adopt this pronouncement in 1999 and has not yet
determined the effect of SOP 98-1 on its financial statements.

Certain Factors That May Affect Results of Operations

This report may contain forward-looking statements that are subject to certain
risks and uncertainties.  These statements include statements regarding (i) the
expected benefits, effects, efficiency and performance of the Company's services
and products, the Company's ability (a) to overcome the limitations of competing
technologies, processes and databases by condensing key steps in gene-based
discovery and development, (b) to develop, through its products and services,
the next generation of therapeutic products for important complex diseases, (c)
to populate its databases, and (d) to develop, in a timely fashion, a broad
portfolio of research programs that encompass drug discovery, drug development
and pharmacogenomics, (iii) the capacity of the Company's products to predict
the efficiency and safety of drugs already on the market, (iv) the suitability
of Company-discovered genes and proteins involved in diabetes, hypertension and
ischemic stroke as targets for small molecule drug development, (v) the expected
future levels of losses, operating expenses and material commitments, and (vi)
the Company's Year 2000 readiness.  Such statements are based on management's
current expectations and are subject to a number of factors and uncertainties
that could cause actual results to differ materially from those described in the
forward-looking statements.  The Company cautions investors that there can be no
assurance that actual results or business conditions will not differ materially
from those projected or suggested in such forward-looking statements as a result
of various

                                       18
<PAGE>
 
factors, including, but not limited to, the following: the Company's early stage
of development, technological uncertainty and product development risks,
uncertainty of additional funding, reliance on research collaborations,
competition, the Company's ability to protect its patents and proprietary rights
and uncertainties relating to commercialization rights. For further information,
refer to the more specific risk and uncertainties discussed throughout this
discussion and analysis.

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The Company has reviewed the provisions of Financial Reporting Release No. 48
"Disclosure of Accounting Policies for Derivative Financial Instruments and
Derivative Commodity Instruments, and Disclosure of Quantitative and Qualitative
Information about Market Risk Inherent in Derivative Financial Instruments,
Other Financial Instruments and Derivative Commodity Instruments."  The Company
had no holdings of derivative financial instruments, commodity-based instruments
or other long-term debt obligations at December 31, 1998.

                                       19
<PAGE>
 
ITEM 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
 
                              CURAGEN CORPORATION
                                BALANCE SHEETS

<TABLE> 
<CAPTION> 
                                                                                                December 31,
                                                                                      --------------------------------
                                                                                          1997               1998
                                                                                      -------------      -------------
<S>                                                                                   <C>                <C>
                                      ASSETS
Current assets:                                                                                          
  Cash and cash equivalents                                                            $17,417,161        $43,293,995
  Grants receivable                                                                        421,564            600,241
  Accounts receivable                                                                      166,750             10,400
  Other current assets                                                                      13,883              1,150
  Prepaid expenses                                                                         157,480            505,203
  Stock issuance costs                                                                   1,083,251              -
                                                                                      ------------       ------------
       Total current assets                                                             19,260,089         44,410,989
                                                                                      ------------       ------------
Property and equipment, net                                                              6,920,196         15,900,281
Notes receivable - related parties                                                         100,000             93,500
Other assets                                                                               238,744            399,731
                                                                                      ------------       ------------
        Total assets                                                                   $26,519,029        $60,804,501
                                                                                      ============       ============
                      LIABILITIES AND STOCKHOLDERS' EQUITY                                                                
Current liabilities:                                                                                     
  Accounts payable                                                                      $1,106,134         $2,778,000
  Accrued payroll - related party                                                          308,125              -
  Accrued bonuses                                                                            -                841,386
  Accrued expenses                                                                       1,345,262            480,450
  Accrued payroll                                                                            -                324,924
  Deferred revenue                                                                         375,000          4,875,000
  Deferred rent                                                                              -                103,406
  Current portion of obligations under capital leases                                    1,386,896          1,942,215
                                                                                      ------------       ------------
       Total current liabilities                                                         4,521,417         11,345,381
                                                                                      ------------       ------------
Long-term liabilities:                                                                                   
  Deferred rent, net of current portion                                                    227,972            196,494
  Interest payable                                                                          21,000             21,000
  Obligations under capital leases, net of current portion                               4,126,153          6,766,433
                                                                                      ------------       ------------
       Total long-term liabilities                                                       4,375,125          6,983,927
                                                                                      ------------       ------------
Commitments and contingencies                                                                            
                                                                                                         
Redeemable Common Stock                                                                  3,940,312              -
                                                                                      ------------       ------------
Stockholders' equity:                                                                                    
  Preferred Stock - Series B                                                             1,459,196              -
  Common Stock; $.01 par value, issued and outstanding shares 8,580,112 at                         
    December 31, 1997, and 13,316,757 at December 31, 1998                                  85,801            133,168
  Additional paid-in capital                                                            23,861,665         72,050,465
  Accumulated deficit                                                                  (10,511,023)       (28,939,508)
  Unamortized stock-based compensation                                                  (1,213,464)          (768,932)
                                                                                      ------------       ------------
       Total stockholders' equity                                                       13,682,175         42,475,193
                                                                                      ------------       ------------
          Total liabilities and stockholders' equity                                   $26,519,029        $60,804,501
                                                                                      ============       ============
</TABLE> 

                See accompanying notes to financial statements

                                       20
<PAGE>
 
                              CURAGEN CORPORATION
                           STATEMENTS OF OPERATIONS
                                                      
<TABLE> 
<CAPTION> 
                                                               Year Ended December 31,
                                                     -----------------------------------------
                                                         1996          1997          1998
                                                     ------------  ------------  -------------
<S>                                                  <C>            <C>           <C>
Revenue:                                              
    Grant revenue                                     $4,047,947    $3,079,994    $ 3,182,025
    Collaboration revenue                                375,000     2,816,549      6,075,000
                                                     ------------  ------------  -------------
        Total revenue                                  4,422,947     5,896,543      9,257,025
                                                     ------------  ------------  -------------

Operating expenses:                                   
    Grant research                                     3,065,140     4,615,886      1,858,502
    Collaborative research and development               450,895     5,126,660     18,130,893
    General and administrative                         1,140,325     3,481,251      9,128,705
                                                     ------------  ------------  -------------
        Total operating expenses                       4,656,360    13,223,797     29,118,100
                                                     ------------  ------------  -------------

Loss from operations                                    (233,413)   (7,327,254)   (19,861,075)
Interest income (expense), net                          (355,722)      105,244      1,432,590
                                                     ------------  ------------  -------------

Net loss                                                (589,135)   (7,222,010)   (18,428,485)
Preferred dividends                                      (17,106)      (68,424)      (508,435)
                                                     ------------  ------------  -------------

Net loss attributable to common stockholders           ($606,241)  ($7,290,434)  ($18,936,920)
                                                     ============  ============  =============
                                                      
Basic and diluted net loss per share attributable     
   to common stockholders                                 ($0.12)       ($0.92)        ($1.55)
                                                     ============  ============  =============
                                                      
Weighted average number of shares used in             
   computing basic and diluted net loss per share     
   attributable to common stockholders                 5,097,073     7,888,383     12,201,006
                                                     ============  ============  =============
</TABLE> 

                See accompanying notes to financial statements

                                       21
<PAGE>
 
                              CURAGEN CORPORATION
          STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (DEFICIENCY)
                  Year Ended December 31, 1996, 1997 and 1998

<TABLE> 
<CAPTION> 
                                           Common
                                           Stock                               Additional                 Unamortized
                              Number of  ($.01 par    Number of   Preferred      Paid-in     Accumulated  Stock-Based  
                               Shares      value)      Shares       Stock        Capital       Deficit    Compensation    Total
                             ---------- ----------- ------------ ------------ ------------- ------------- ------------ -------------

<S>                          <C>        <C>         <C>          <C>          <C>           <C>           <C>          <C>
January 1, 1996               5,021,731   $ 50,218        -            -        $1,558,278   ($2,699,878)       -       ($1,091,392)

Exercise of Common Stock
 warrants                       100,000      1,000        -            -           151,000         -            -           152,000
Issuance of Preferred
 Stock - Series A                 -          -          307,167    $1,800,000        -             -            -         1,800,000
Issuance of Preferred
 Stock with warrants -
 Series B                         -          -          175,000     1,373,666      376,334         -            -         1,750,000
Issuance of options to
 non-employees                    -           -           -            -            96,318         -            -            96,318
Preferred dividends               -           -           -            17,106      (17,106)        -            -             -
Net loss                          -           -           -            -             -          (589,135)       -          (589,135)

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

December 31, 1996             5,121,731     51,218      482,167     3,190,772    2,164,824    (3,289,013)       -         2,117,801

Issuance of Common Stock         39,746       397         -            -           162,561         -            -           162,958
Issuance of Preferred
 Stock with warrants -
 Series C                         -           -       2,011,468    11,787,202        -             -            -        11,787,202
Issuance of Preferred
 Stock - Series D                 -           -       1,000,000     7,500,000        -             -            -         7,500,000
Issuance of Preferred
 Stock - Series E                 -           -         100,000     1,000,001        -             -            -         1,000,001
Issuance of options               -           -           -            -           736,781         -            -           736,781
Unamortized stock-based
 compensation                     -           -           -            -         1,213,474         -       (1,213,464)        -
Issuance of warrants -
 capital lease obligations        -           -           -            -            59,520         -            -            59,520
Amortization of warrants -
 capital lease obligations        -           -           -            -            (5,410)        -            -            (5,410)

Preferred dividends               -           -           -           68,424       (68,424)        -            -             -
Adjustment of Redeemable
 Common Stock                     -           -           -            -        (2,454,668)        -            -        (2,454,668)

Adjustment to reflect
 automatic conversion of
 Preferred Stock              3,418,635     34,186   (3,418,634) (22,087,203)   22,053,017         -            -             -
Net loss                          -          -            -            -             -        (7,222,010)       -        (7,222,010)

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

December 31, 1997             8,580,112     85,801      175,000    1,459,196    23,861,665   (10,511,023)  (1,213,464)   13,682,175

Issuance of Common Stock      4,231,520     42,315        -            -        48,620,165         -            -        48,662,480
Conversion of Redeemable
 Common Stock                   291,875      2,919        -            -         3,937,393         -            -         3,940,312
Redemption of Preferred
 Stock - Series B                 -          -         (175,000)  (1,750,000)        -             -            -        (1,750,000)

Stock issuance costs              -          -            -            -        (4,509,612)        -            -        (4,509,612)

Amortization of stock-
 based compensation               -          -            -            -             -             -          444,532       444,532
Amortization of warrants -
 capital lease obligations        -          -            -            -           (16,232)        -            -           (16,232)

Preferred dividends               -          -            -          290,804      (508,434)        -            -          (217,631)

Exercise of employee
 stock options                  213,250      2,133        -            -           375,767         -            -           377,900
Issuance of options to
 non-employees                    -          -            -            -           289,754         -            -           289,754
Net loss                          -          -            -            -             -       (18,428,485)       -       (18,428,485)

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

December 31, 1998            13,316,757   $133,168        -            -       $72,050,465  ($28,939,508)   ($768,932)  $42,475,193
                             ========== =========== ============ ============ ============= ============= ============ =============

</TABLE> 

                See accompanying notes to financial statements

                                       22
<PAGE>
 
                              CURAGEN CORPORATION
                           STATEMENTS OF CASH FLOWS

<TABLE> 
<CAPTION> 
                                                                                              Year Ended December 31,
                                                                                    ----------------------------------------------
                                                                                         1996           1997             1998
                                                                                    -------------   -------------   --------------
<S>                                                                                 <C>             <C>             <C>
Cash flows from operating activities:                                                         
     Net loss                                                                         ($589,135)     ($7,222,010)   ($18,428,485)
     Adjustments to reconcile net loss to net cash                                            
           provided by (used in) operating activities:                                        
           Depreciation and amortization                                                366,283        1,226,696       2,668,142
           Non-monetary compensation                                                     96,318          736,781         894,286
     Changes in assets and liabilities:                                                       
           Grants receivable                                                           (260,633)          44,525        (178,677)
           Accounts receivable                                                         (200,000)          33,250         156,350
           Other current assets                                                           2,055             (852)         12,733
           Prepaid expenses                                                             (10,468)        (134,529)       (347,723)
           Other assets                                                                 (56,548)        (180,225)       (198,259)
           Accounts payable                                                             311,457          754,137       1,671,866
           Accrued payroll-related party                                                 93,750             -           (308,125)
           Accrued bonuses                                                                 -                -            841,386
           Accrued expenses                                                             274,337          933,590        (864,812)
           Accrued payroll                                                                 -                -            324,924
           Deferred revenue                                                            (265,079)         375,000       4,500,000
           Deferred rent                                                                (17,246)         227,972          71,928
           Interest payable                                                             268,807          259,316            -
                                                                                    -------------   -------------   --------------
                 Net cash provided by (used in) operating activities                     13,898       (2,946,349)     (9,184,466)
                                                                                    -------------   -------------   --------------
                                                                                              
Cash flows from investing activities:                                                         
     Acquisitions of property and equipment                                            (248,033)      (2,486,760)    (11,560,246)
     Loans to related parties                                                              -            (100,000)       (153,500)
                                                                                    -------------   -------------   --------------
                 Net cash used in investing activities                                 (248,033)      (2,586,760)    (11,713,746)
                                                                                    -------------   -------------   --------------
                                                                                              
Cash flows from financing activities:
     Payments on capital lease obligations                                             (178,352)        (879,594)     (1,872,001)
     Proceeds from issuance of loan payable                                             175,000             -              -
     Payment of loan payable                                                           (175,000)            -              -
     Proceeds from issuance of Common Stock                                             252,000             -         48,662,480
     Proceeds from issuance of Preferred Stock                                        3,450,000       20,387,203           -
     Proceeds from sale-leaseback of equipment                                             -           1,227,270       5,000,659
     Payments of stock issuance costs                                                      -          (1,083,251)     (3,426,361)
     Proceeds from exercise of employee stock options                                      -                -            377,900
     Redemption of Series B Preferred Stock                                                -                -         (1,967,631)
                                                                                    -------------   -------------   --------------
                 Net cash provided by financing activities                            3,523,648       19,651,628      46,775,046
                                                                                    -------------   -------------   --------------
                                                                                              
Net increase in cash and cash equivalents                                             3,289,513       14,118,519      25,876,834
Cash and cash equivalents, beginning of year                                              9,129        3,298,642      17,417,161
                                                                                    -------------   -------------   --------------
Cash and cash equivalents, end of year                                               $3,298,642      $17,417,161     $43,293,995
                                                                                    =============   =============   ==============
                                                                                              
Supplemental cash flow information:                                                           
     Interest paid                                                                     $107,763         $423,655        $988,533
Noncash financing transactions:                                                               
     Reduction of note and related interest payable upon exercise of Common
        Stock warrants                                                                     -          $1,485,644           -
     Reduction of accrued expenses upon issuance of Common Stock                           -             162,958           -
     Obligations under capital leases                                                  $979,096        5,302,666      $5,051,378
     Preferred Stock subscription receivable                                            100,000             -              -
     Adjustment of Redeemable Common Stock                                                 -           2,454,668           -

</TABLE> 
                See accompanying notes to financial statements

                                       23
<PAGE>
 
1. Organization and Summary of Significant Accounting Policies

  Organization--CuraGen Corporation (the "Company" or "CuraGen") is a
biotechnology company focusing on the application of genomics to the systematic
discovery of genes, biological pathways and drug candidates in order to
accelerate the discovery and development of the next generation of therapeutic,
agricultural and diagnostic products.  The Company was incorporated in November
1991 and, until March 1993, was engaged primarily in organizational activities,
research and development of the Company's technology, grant preparation and
obtaining financing.

  Revenue Recognition--The Company has entered into certain collaborative
research agreements which provide for the partial or complete funding of
specified projects in exchange for access to and certain rights in the resultant
data discovered under the related project. Revenue is recognized based upon work
performed or upon the attainment of certain benchmarks specified in the related
agreements (see Note 4). Grant revenue is recognized as related costs qualifying
under the terms of the grants are incurred. Grant revenue is derived solely from
federal and Connecticut agencies (see Note 7). Deferred revenue arising from
payments received from grants and collaborative agreements is recognized as
income when earned.

  Cash and Cash Equivalents--The Company considers investments readily
convertible into cash with a maturity of three months or less at the date of
purchase to be cash equivalents.

  Property and Equipment--Property and equipment are recorded at cost. Equipment
under capital leases is recorded at the lower of the net present value of the
minimum lease payments required over the term of the lease or the fair value of
the assets at the inception of the lease. Additions, renewals and betterments
that significantly extend the life of an asset are capitalized. Minor
replacements, maintenance and repairs are charged to operations as incurred.
Equipment is depreciated over the estimated useful lives of the related assets,
ranging from three to seven years, using the straight-line method. Equipment
under capital leases is amortized over the shorter of the estimated useful life
or the terms of the lease, using the straight-line method. Leasehold
improvements are amortized over the term of the lease, using the straight-line
method. When assets are retired or otherwise disposed of, the assets and related
accumulated depreciation or amortization are eliminated from the accounts and
any resulting gain or loss is reflected in income. For income tax purposes,
depreciation is computed using various accelerated methods and, in some cases,
different useful lives than those used for financial reporting purposes.

  Deferred Real Estate Commissions--Deferred real estate commissions were paid
in January 1997 in connection with the signing of the operating lease in New
Haven, Connecticut (see Note 3). These costs, which are included in Other
assets, are amortized over the remaining life of the lease as of the date of
occupancy, 69 months, using the straight-line method.  Accumulated amortization
aggregated $8,993 and $20,984, respectively, as of December 31, 1997 and 1998.

  Licensing Fees--Licensing fees for various research and development purposes
were paid during 1998. The costs, which are included in Other assets, are
amortized over the lives of the licenses.  Accumulated amortization and related
amortization expense aggregated $30,288 as of December 31, 1998.

  Patent Application Costs--Costs incurred in filing for patents are charged to
operations, until such time as it is determined that the filing will be
successful. When it becomes evident with reasonable certainty that an
application will be successful, the costs incurred in filing for patents will
begin to be capitalized. Capitalized costs related to successful patent
applications will be amortized over a period not to exceed twenty years or the
remaining life of the patent, whichever is shorter, using the straight-line
method. During 1996, 1997, and 1998, all patent application costs have been
charged to operations.

  Research and Development Costs--Research and development costs are charged to
operations as incurred. Grant research expenses include all direct research and
development costs incurred related to specific grant awards and programs. All
remaining research and development costs are incurred for the development and
maintenance of current and future research collaboration agreements, and
accordingly, have been classified as collaborative research and development
expenses.

  Stock-Based Compensation--In October 1995, the Financial Accounting Standards
Board issued Statement of Financial Accounting Standards No. 123 "Accounting for
Stock-Based Compensation" ("SFAS 123"), which was effective for the Company
beginning January 1, 1996. SFAS 123 requires expanded disclosures of stock-based
compensation arrangements with employees and non-employees and encourages (but
does not require) compensation cost to be measured based on the fair value of
the equity instruments awarded to employees. Companies are permitted to continue
to apply Accounting Principles Board ("APB") No. 25, which recognizes
compensation cost based on the intrinsic value of the equity instruments
awarded. The Company will continue to

                                       24
<PAGE>
 
apply APB No. 25 to its stock-based compensation awards to employees. For equity
instruments awarded to non-employees, the Company records the transactions based
upon the consideration received for such awards or the fair value of the equity
instruments issued, whichever is more reliably measurable. The Company recorded
stock-based compensation expense attributable to non-employees totaling $96,318,
$277,247 and $289,752 for the years ended December 31, 1996, 1997 and 1998,
respectively. For options issued to employees, the Company records the
transactions based upon the difference between the option strike price and the
estimated fair market value as of the date of issuance. Stock-based compensation
associated with options granted to employees during 1997 amounted to $1,672,998
and is being expensed by the Company over the vesting period of the underlying
options. During 1998, no stock-based compensation was recorded as all options
granted to employees were issued at the estimated fair market value as of the
date of issuance. The Company recorded amortization of stock-based compensation
expense for options issued to employees of $459,534 and $444,532 for the years
ended December 31, 1997 and 1998, respectively.

  Income Taxes--Income taxes are provided for as required under Statement of
Financial Accounting Standards No. 109, "Accounting for Income Taxes" ("SFAS
109"). This Statement requires the use of the asset and liability method in
determining the tax effect on future years of the "temporary differences"
between the tax basis of assets and liabilities and their financial reporting
amounts.

  Fair Value of Financial Instruments--Statement of Financial Accounting
Standards No. 107, "Disclosures about Fair Value of Financial Instruments"
("SFAS 107"), requires the disclosure of fair value information for certain
assets and liabilities, whether or not recorded in the balance sheets, for which
it is practical to estimate that value. The Company has the following financial
instruments: cash, receivables, accounts payable and accrued expenses, and
certain long-term liabilities. Additionally, the Company had Redeemable Common
Stock at December 31, 1997 (see Note 5). The Company considers the carrying
amount of these items, excluding the Redeemable Common Stock, to approximate
fair value.

  Conversion of Preferred Stock--The accompanying financial statements
retroactively reflect the conversion of all outstanding shares of Series A, C, D
and E Preferred Stock (Convertible Preferred Stock) to Common Stock on a one for
one basis. The above conversion has been presented since the Company amended its
Certificate of Incorporation in December 1997 to provide that the Series A, C, D
and E Preferred Stock would be automatically converted into shares of Common
Stock upon the closing of a firm committment underwritten public offering of the
Common Stock.  In March 1998, upon the closing of the Company's initial public
offering, the foregoing conversion was completed.

  Recently Enacted Pronouncements--The AICPA has issued Statement of Position
("SOP") 98-1, "Accounting for Costs of Computer Software Developed or Planned
for Internal Use".  This SOP provides guidance on accounting for the costs of
computer software developed or obtained for internal use.  This SOP requires
that the following costs be capitalized: 1) external direct costs of materials
and services incurred in developing or obtaining internal-use computer software;
2) payroll and payroll-related costs for employees who are directly associated
with and devote time to the internal-use software project (to the extent of time
spent directly on the project); and 3) interest costs.  Computer software costs
that are research and development should be expensed as incurred.  In addition,
training costs should be expensed as incurred.  This statement is effective for
financial statements for fiscal years beginning after December 15, 1998,
however, earlier application is encouraged. The Company will adopt this
pronouncement in 1999 and has not yet determined the effect of SOP 98-1 on its
financial statements.

   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 and the reported amounts of revenues and expenses during the
reporting period. Actual results could differ from those estimates.

2. Property and Equipment

  Property and equipment consisted of the following:
<TABLE>
<CAPTION>
                                                                   December 31,
                                                          -------------------------------
                                                              1997              1998
                                                          -------------     -------------
<S>                                                       <C>               <C>
  Laboratory equipment................................       $  985,654       $ 6,570,300
  Leased equipment....................................        6,593,064        11,091,434
  Leasehold improvements..............................          399,996           904,254
  Office equipment....................................          677,318         1,534,415
                                                          -------------     -------------
     Total property and equipment.....................        8,656,032        20,100,403
  Less accumulated depreciation and amortization......        1,735,836         4,200,122
                                                          -------------     -------------
     Total property and equipment, net................       $6,920,196       $15,900,281
                                                          =============     =============
</TABLE>

                                       25
<PAGE>
 
3. Leases

  Capital Leases

  In April 1997, the Company signed a lease-financing commitment to receive
$4,000,000 to purchase equipment and expand its facilities. The lease commitment
provides for a payment term of 48 months per individual lease schedule. In
addition, the commitment provides for the issuance to the lessor of two warrants
(the "First Warrant" and the "Second Warrant") to purchase shares of the Common
Stock. The First Warrant was issued in April 1997 and entitles the lessor to
purchase 11,111 shares of Common Stock at an exercise price of $9.00 per share.
The Second Warrant was issued in September 1997 when the Company's aggregate
equipment cost under the agreement exceeded $2,000,000. The Second Warrant
entitles the lessor to purchase 10,000 shares of Common Stock at an exercise
price of $10.00 per share. The value ascribed to the warrants was $59,520. In
June 1998, the Company signed a lease-financing commitment to receive $5,000,000
to purchase various laboratory, office and computer equipment. The lease
commitment provides for payment terms of 60 months per individual lease
schedule.

  The Company has also entered into other capital lease agreements to finance
the purchase of equipment. Leased equipment under all such agreements consisted
of the following:

<TABLE>
<CAPTION>
                                                                  December 31,
                                                         -------------------------------
                                                             1997              1998
                                                         -------------     -------------
<S>                                                      <C>               <C>
  Leased equipment....................................      $6,593,064       $11,091,434
  Less accumulated amortization.......................       1,133,842         3,037,429
                                                         -------------     -------------
  Total Leased equipment, net.........................      $5,459,222       $ 8,054,005
                                                         =============     =============
</TABLE>
                                                                                
  The Company financed leased assets with costs of $979,096, $5,302,666 and
$5,051,378 for the years ended December 31, 1996, 1997 and 1998, respectively.
These arrangements have terms of three to five years with interest rates ranging
from approximately 10% to 26%. At the end of the respective lease terms, the
Company has the right to either return the equipment to the lessor or purchase
the equipment at between $1 and 11% of the then fair market value of the
equipment.

  The future minimum lease payments under capital lease obligations at December
31, 1998 were as follows:

<TABLE>
<S>                                                                                            <C>
   Within 1 year............................................................................    $ 2,753,825
   Within 1 to 2 years......................................................................      2,747,707
   Within 2 to 3 years......................................................................      2,787,332
   Within 3 to 4 years......................................................................      1,233,772
   Within 4 to 5 years......................................................................      1,233,000
                                                                                               ------------
   Total minimum lease payments.............................................................     10,755,636
   Less amounts representing interest.......................................................      2,046,988
                                                                                               ------------
   Present value of future minimum lease payments...........................................      8,708,648
   Less current portion of obligations......................................................      1,942,215
                                                                                               ------------
   Obligations under capital leases, net of current portion.................................    $ 6,766,433
                                                                                               ============
</TABLE>
                                                                                
  Operating Leases

  In December 1996, the Company entered into a six-year lease agreement for
26,000 square feet to house its principal administrative and research facilities
at 555 Long Wharf Drive, New Haven, Connecticut. In October 1997 and August
1998, the Company amended that lease to increase its leased space to a total of
31,000 and 36,000 square feet, respectively.  The Company may renew the lease
for two additional terms of five years each. In May 1998, the Company entered
into a lease agreement, expiring in May 2000, for its 32,000 square foot
research facility in Branford, Connecticut.  The lease agreement may be renewed
for three additional terms of two years each.  An additional 12,000 square feet
at the Company's third research location in Alachua, Florida is also leased
under an agreement which may be renewed for an additional one year term, after
the expiration date in July 1999.

  Total rent expense under all operating leases for 1996, 1997 and 1998 was
approximately $77,200, $487,300 and $1,016,050, respectively.

                                       26
<PAGE>
 
  The future minimum rental payments for all operating leases are as follows as
of December 31, 1998:

<TABLE>
<CAPTION>

 Year
 -----
<S>                                                                    <C>
 1999................................................................   $1,295,135
 2000................................................................      924,229
 2001................................................................      736,729
 2002................................................................      772,667
                                                                       ------------
 Total...............................................................   $3,728,760
                                                                       ============
</TABLE>
                                                                                
4.  Collaborations
 
  Pioneer Hi-Bred International, Inc.

  Effective June 1, 1997, the Company entered into a Collaborative Research and
License Agreement with Pioneer Hi-Bred International, Inc. ("Pioneer Hi-Bred")
whereby the Company is to perform research that will be funded by Pioneer Hi-
Bred. In conjunction with the execution of this agreement, Pioneer Hi-Bred made
an equity investment of $7,500,000 in the form of 1,000,000 shares of Series D
Convertible Preferred Stock (see Note 5). In addition, Pioneer Hi-Bred paid the
Company $2,500,000 per year, for the first 10 months, in quarterly installments
due in advance, on or before the first day of each calendar quarter, with the
first payment prorated. In March of 1998, Pioneer Hi-Bred increased the minimum
annual research funding to $5,000,000 per year. Pioneer Hi-Bred has the right to
terminate the research program at any time upon a breach by the Company and on
three months' written notice at any time after May 2000.

  The $5,000,000 per year fee is based upon an established number of CuraGen
employees whom will be devoted to the Pioneer Hi-Bred research. In accordance
with the Company's revenue recognition policy as described in Note 1, revenue
has been recorded based upon work performed.  For the years ended December 31,
1997 and 1998, the Company recorded revenue of $1,458,333 and $4,375,000, which
represented 25% and 47% of total revenue, respectively, related to this
agreement.  In addition, $1,250,000 has been received from Pioneer Hi-Bred for
which the related services have not been performed and, therefore, such amount
is recorded as deferred revenue at December 31, 1998.

  Genentech, Inc.

  In June 1996, the Company entered into a Pilot Research Services and
Evaluation Agreement with Genentech, Inc. ("Genentech") pursuant to which the
Company performed certain research services for a $200,000 fee. The pilot
collaboration was superseded by the Evaluation Agreement, signed and effective
December 27, 1996, pursuant to which the Company performed additional research
services during 1997 for a research fee of $667,000 payable in four equal
installments of $166,750. The Company completed the research within four months
of the receipt of tissue samples from Genentech as required by the Evaluation
Agreement and recorded $667,000 as revenue, which represented 11% of total
revenues for the year ended December 31, 1997. The entire accounts receivable
balance at December 31, 1997 was due from Genentech. In connection with the
execution of the Evaluation Agreement, Genentech made an equity investment of
$1,800,000 in the form of 307,167 shares of Series A Convertible Preferred Stock
(see Note 5).

  In November 1997, CuraGen and Genentech entered into a research collaboration
and database subscription arrangement to discover novel genes and therapeutics.
Pursuant to the agreement, Genentech purchased $5,000,000 of Common Stock in a
private placement concurrent with the initial public offering at the initial
public offering price. Genentech also agreed to provide CuraGen with an
interest-bearing loan facility which could in the aggregate reach $26,000,000 if
the research program continues beyond its initial three year term. The loan
facility contains annual borrowing limits and the outstanding principal and
interest under the loan facility are payable five years from the date of the
agreement. Subject to certain limitations, during the term of the agreement, and
after the end of the first year, the drawn-down portion of the loan is
convertible at CuraGen's option into CuraGen non-voting Common Stock, par value
$.01 per share (the "Non-Voting Common Stock") based upon a formula that
approximates the prevailing market price of the Company's Common Stock. If
issued, the Non-Voting Common Stock is convertible, at Genentech's option, into
Common Stock (i) at any time, at Genentech's option or (ii) upon the sale or
transfer of the Non-Voting Common Stock to a non-affiliated party. Genentech
will additionally provide funding of up to $24,000,000 over five years if the
database subscription arrangement is not terminated, the research collaboration
continues for the full five-year term and Genentech elects to retain licenses to
its discoveries. Genentech has an option to acquire licenses to certain
discoveries arising from the collaboration.

                                       27
<PAGE>
 
  Biogen, Inc.

  In October 1997, CuraGen and Biogen, Inc. ("Biogen") entered into a research
collaboration and database subscription arrangement to discover novel genes and
therapeutics. Pursuant to the agreement, Biogen purchased $5,000,000 of Common
Stock in a private placement concurrent with the initial public offering at the
initial public offering price and agreed to provide a $10,000,000 interest-
bearing loan facility. At any time during the term of the agreement, the loan is
convertible at the Company's option into Common Stock based upon a formula that
approximates its prevailing market price. Biogen will additionally provide
payments over five years to support a research collaboration to generate
project-specific GeneCalling(R) and PathCalling(TM) databases from Biogen-
specified disease systems and to gain non-exclusive access to the Company's
GeneCalling and PathCalling subscription databases. Payments could reach
$18,500,000 if the research collaboration and database subscription arrangement
both continue for the full five-year term. Biogen has an option to acquire
exclusive licenses to certain discoveries arising from the collaboration.

  For the years ended December 31, 1997 and 1998, the Company recorded revenue
of $375,000 and $1,500,000 which represented 6% and 16% of total revenue related
to this agreement, respectively.  In addition, $375,000 has been received from
Biogen for which the related services have not been performed and, therefore,
such amount is recorded as deferred revenue at December 31, 1998.

  Glaxo Wellcome, Inc.

  In November 1998, CuraGen and Glaxo Wellcome, Inc. ("Glaxo") announced a drug
discovery collaboration to utilize CuraGen's integrated genomics processes for
the study and selection of Glaxo compounds for clinical development.  This
pharmacogenomics collaboration, up to five years in duration, is intended to
enable Glaxo to select drug candidates with the highest likelihood of success in
clinical trials.  Specifically, CuraGen will evaluate numerous compounds across
Glaxo therapeutic programs, identifying gene responses associated with compound
efficacy and toxicity.  For the year ended December 31, 1998, the Company has
not recorded revenue related to this agreement. However, $2,750,000 has been
received from Glaxo for which the related services have not been performed and,
therefore, such amount is recorded as deferred revenue at December 31, 1998.

5. Stockholders' Equity

  Authorized Capital Stock

  The Company's authorized capital stock consists of 50,000,000 shares of Common
Stock, par value of $.01 per share ("Common Stock"), 5,000,000 shares of
Preferred Stock, par value of $.01 per share ("Preferred Stock") and 3,000,000
shares of Non-Voting Common Stock.

  At December 31, 1997, the Company had reserved 1,583,666 shares of Common
Stock pursuant to outstanding warrants, 1,500,000 shares of Common Stock for
issuance pursuant to the 1993 Stock Option and Incentive Award Plan (the "1993
Stock Plan"), 1,500,000 shares of Common Stock for issuance pursuant to the 1997
Employee, Director and Consultant Stock Plan (the "1997 Stock Plan") and 570,000
shares of Common Stock for issuance pursuant to non-qualified stock options.  At
December 31, 1998, the Company had reserved 1,583,666 shares of Common Stock
pursuant to outstanding warrants, 871,883 shares of Common Stock for issuance
pursuant to the 1993 Stock Plan, 1,500,000 shares of Common Stock for issuance
pursuant to the 1997 Stock Plan and 453,750 shares of Common Stock for issuance
pursuant to non-qualified stock options. In November 1998, the Board of
Directors of the Company approved an amendment to and restatement of the 1997
Stock Plan to increase the number of shares of Common Stock reserved for
issuance of options granted pursuant to such Plan from 1,500,000 to 3,500,000,
and recommended that the holders of shares of the Corporation's Common Stock
approve such amendment and restatement at the next Annual Meeting of the
Shareholders of the Company

  Common Stock and Warrants to Purchase Common Stock

  In February 1994, in connection with the $600,000 promissory note (the "CII
Note") due to Connecticut Innovations, Inc. ("CII"), the Company issued 102,156
shares of Common Stock to CII (the "CII Stock") and a non-detachable stock
subscription warrant (the "CII Warrant") to purchase 291,875 shares of Common
Stock (the "CII Warrant Shares") at an aggregate exercise price equal to the
original principal balance of the CII Note ($600,000) plus any unpaid interest.
The CII Stock was valued at $155,277. In April 1997, the CII Warrant was
exercised and CII received the CII Warrant Shares for consideration of
$1,485,644, which represented full payment of the CII Note totaling $600,000 in
principal and $885,644 in accrued interest.  The Company had the right to
purchase (the "Call Right") the CII Warrant Shares from CII.  Further, CII had
the right to sell (the "Put Right") the CII Warrant Shares to the Company.

                                       28
<PAGE>
 
  In October 1997, the Company entered into an agreement with CII whereby, among
other things, the Call Right and Put Right were to be terminated upon the
closing of the initial public offering. In the absence of termination, the Call
Right would have been exercisable by the Company, (i) after June 30, 1996, for
the greater of (a) the fair market value of the CII Warrant Shares, or (b)
$600,000 plus a compounded annual rate of return of 30% from the date of the CII
Note, if certain levels of capital were raised, or (ii) after February 10, 1999,
for the greater of (a) the fair market value of the CII Warrant Shares, or (b)
$600,000 plus a compounded annual rate of return of 25% from the date of the CII
Note. In the absence of termination, the Put Right would have been exercisable
by CII (i) at any time until February 10, 2004, in the event that the Company
failed to maintain a Connecticut presence, for the greater of (a) the fair
market or book value of the CII Warrant Shares, or (b) $600,000 plus a
compounded annual rate of return of 40% from the date of the CII Note, or (ii)
at any time in the event that the Company violated certain covenants or a
default occurred under the CII documents, or at any time after February 10,
1999, for the greater of (a) the fair market value of the CII Warrant Shares, or
(b) $600,000 plus a compounded annual rate of return of 25% from the date of the
CII Note.

  Given the Put Right, the Company had classified the CII Warrant Shares as
Redeemable Common Stock on the balance sheet at December 31, 1997. The carrying
value of the Redeemable Common Stock was adjusted through charges to additional
paid-in capital to amounts approximating the exercise price pursuant to the Put
Right.  In March 1998, the Company completed its initial public offering.
Accordingly, the Put Right and the Call Right were terminated and the Redeemable
Common Stock was converted into Common Stock.

  In March 1997, the Company also issued 17,073 and 22,673 shares of Common
Stock for a total value of $70,000 and $92,958, respectively, for the settlement
of outstanding accrued expense balances with two separate entities.

  In March 1998, the Company completed its initial public offering of 3,000,000
shares of its Common Stock and received net proceeds of  $30,200,000.
Concurrently with completion of the initial public offering, the Company
privately placed an aggregate of 956,520 shares of Common Stock and received net
proceeds of $5,000,000 each from Biogen and Genentech, two of the Company's
collaborative partners and existing stockholders, and $1,000,000 from the
University of Florida Research Foundation, Inc. Accordingly, the combined net
proceeds raised by the Company from the offering and the concurrent private
placements were $41,200,000. In addition, in April 1998, the Company's
underwriters exercised their option to purchase an additional 275,000 shares of
Common Stock at a price of $11.50 per share to cover over-allotments, providing
CuraGen with additional net proceeds of $2,900,000.

  Stock Options

  The Company's 1993 Stock Plan was adopted by the Company Board of Directors
and stockholders in December 1993 and subsequently amended by the Board of
Directors in May 1997.  The 1993 Stock Plan provides for the issuance of stock
options and stock awards to officers, directors, advisors, employees, and
affiliates of the Company.  Of the 1,500,000 shares of Common Stock which were
reserved for issuance under the 1993 Stock Plan, options to purchase 1,028,884
and 871,883 shares were granted and outstanding as of December 31, 1997 and
1998, respectively.  The Company does not intend to grant any additional options
or awards under the 1993 Stock Plan.

  A summary of all stock option activity under the 1993 Stock Plan during the
years ended December 31, 1996, 1997 and 1998 is as follows:

<TABLE>
<CAPTION>
                                                                                                   Weighted
                                                                                    Number         Average
                                                                                  of Shares     Exercise Price
                                                                                 -----------   ----------------
<S>                                                                              <C>           <C>
  Outstanding January 1, 1996.................................................      285,000              $2.22
     Granted..................................................................      269,550               3.16
     Canceled or lapsed.......................................................      (13,000)              3.00
                                                                                 ----------
  Outstanding December 31, 1996...............................................      541,550               2.67
     Granted..................................................................      518,583               6.83
     Canceled or lapsed.......................................................      (31,749)              3.29
                                                                                 ----------
  Outstanding December 31, 1997...............................................    1,028,884               4.75
     Granted..................................................................            -                  -
     Exercised................................................................      (97,001)              2.50
     Canceled or lapsed.......................................................      (60,000)              4.37
                                                                                 ----------
  Outstanding December 31, 1998...............................................      871,883               5.02
                                                                                 ==========
  Exercisable December 31, 1996...............................................      145,459               2.22
                                                                                 ==========
  Exercisable December 31, 1997...............................................      347,611               3.32
                                                                                 ==========
  Exercisable December 31, 1998...............................................      458,584               4.23
                                                                                 ==========
</TABLE>

                                       29
<PAGE>
 
  The following table summarizes information about stock options under the 1993
Stock Plan at December 31, 1998:

<TABLE> 
<CAPTION> 
                                                                     Weighted
                                                      Number of      Average         Weighted
   Range of                                            Options      Contractual      Average
Exercise Prices                                      Outstanding       Life       Exercise Price
- ---------------                                      -----------    -----------   --------------
<S>                                                  <C>            <C>           <C>
$ 1.00-$ 2.50.....................................     166,000       6.3 years       $ 2.11
  2.51-  4.10.....................................     339,950       7.8 years         3.50
  4.11-  7.50.....................................     308,533       8.6 years         7.34
  7.51- 10.00.....................................      57,400       8.7 years        10.00
                                                     -----------
                                                       871,883       7.8 years         5.02
                                                     ===========
</TABLE> 

<TABLE> 
<CAPTION> 
                                                                    
                                                                       Weighted  
                                                                       Average   
                                                      Number of     Exercise Price
   Range of                                            Options        of Options   
Exercise Prices                                      Exercisable      Exercisable 
- ---------------                                      -----------    --------------
<S>                                                  <C>            <C>
$ 1.00-$ 2.50.....................................     135,300          $ 2.09      
  2.51-  4.10.....................................     195,818            3.48      
  4.11-  7.50.....................................     115,666            7.40      
  7.51- 10.00.....................................      11,800           10.00      
                                                     -----------                  
                                                       458,584            4.23      
                                                     ===========
</TABLE> 

  In addition to the options granted under the 1993 Stock Plan, the Company has
granted non-plan options to purchase shares of Common Stock pursuant to
individual agreements with Company employees and consultants.  As of December
31, 1997 and 1998, there were 570,000 and 453,750 options, respectively,
outstanding which are not part of a specific plan.  These options incorporate
the provisions of the 1993 Stock Plan to the extent such provisions are not
inconsistent with the terms of those options.

  A summary of all non-plan stock option activity during the years ended
December 31, 1996, 1997 and 1998 is as follows:

<TABLE>
<CAPTION>
                                                                                     Weighted
                                                                      Number         Average
                                                                    of Shares     Exercise Price
                                                                  -------------  ----------------
<S>                                                               <C>            <C>
  Outstanding January 1, 1996...................................      456,000          $1.40
     Granted....................................................            -              -
     Canceled or lapsed.........................................            -              -
                                                                  -------------
  Outstanding December 31, 1996.................................      456,000           1.40
     Granted....................................................      114,000           4.10
     Canceled or lapsed.........................................            -              -
                                                                  ------------- 
  Outstanding December 31, 1997.................................      570,000           1.94
     Granted....................................................            -              -
        Exercised...............................................     (116,250)          1.17
        Canceled or lapsed......................................            -              -
                                                                  -------------
  Outstanding December 31, 1998.................................      453,750           2.14
                                                                  =============
  Exercisable December 31, 1996.................................      282,500           1.22
                                                                  =============
  Exercisable December 31, 1997.................................      349,500           1.31
                                                                  =============
  Exercisable December 31, 1998.................................      315,000           1.68
                                                                  =============
</TABLE>

  The following table summarizes information about non-plan stock options at
December 31, 1998:

<TABLE> 
<CAPTION> 

                                                                     Weighted
                                                      Number of      Average         Weighted
   Range of                                            Options      Contractual      Average
Exercise Prices                                      Outstanding       Life       Exercise Price
- ---------------                                      -----------    -----------   --------------
<S>                                                  <C>            <C>           <C>
$ 1.00-$ 2.50.....................................     339,750       5.5 years       $ 1.48
  2.51-  4.10.....................................     114,000       8.0 years         4.10
                                                     -----------
                                                       453,750       6.1 years         2.14
                                                     ===========
</TABLE> 

<TABLE> 
<CAPTION> 
                                                                    
                                                                       Weighted  
                                                                       Average   
                                                      Number of     Exercise Price
   Range of                                            Options        of Options   
Exercise Prices                                      Exercisable      Exercisable 
- ---------------                                      -----------    --------------
<S>                                                  <C>            <C>
$ 1.00-$ 2.50.....................................     286,500          $ 1.44      
  2.51-  4.10.....................................      28,500            4.10      
                                                     -----------                  
                                                       315,000            1.68      
                                                     ===========
</TABLE> 

                                       30
<PAGE>
 
  The Company's 1997 Stock Plan was approved by the Company's Board of Directors
and stockholders in October 1997. The 1997 Stock Plan provides for the issuance
of stock options and stock grants ("Stock Rights") to employees, directors and
consultants of the Company.  A total of 1,500,000 shares of Common Stock have
been reserved for issuance under the 1997 Stock Plan.  In November 1998, the
Board of Directors of the Company approved an amendment to and restatement of
the 1997 Stock Option Plan to increase the number of shares of Common Stock
reserved for issuance of options granted pursuant to such Plan from 1,500,000 to
3,500,000, and recommended that the holders of shares of the Corporation's
Common Stock approve such amendment and restatement at the next Annual Meeting
of the Shareholders of the Company.  The 1997 Stock Plan is administered by the
Compensation Committee of the Board of Directors. The Compensation Committee has
the authority to administer the provisions of the 1997 Stock Plan and to
determine the persons to whom Stock Rights will be granted, the number of shares
to be covered by each Stock Right and the terms and conditions upon which a
Stock Right may be granted.  At December 31, 1997, the Company had 65,000
options outstanding under the 1997 Stock Plan and an additional 1,435,000
available for grant.  At December 31, 1998, the Company had 1,276,100 options
outstanding under the 1997 Stock Plan and an additional 223,900 available for
grant.  No stock options have been exercised under the 1997 Stock Plan as of
December 31, 1998.

  A summary of all stock option activity under the 1997 Stock Plan during the
years ended December 31, 1997 and 1998 is as follows:

<TABLE>
<CAPTION>
                                                                                              Weighted
                                                                               Number         Average
                                                                             of Shares     Exercise Price
                                                                           -------------  ---------------
<S>                                                                        <C>            <C>
Outstanding December 31, 1996............................................            -              -
     Granted.............................................................       65,000         $11.50
     Canceled or lapsed..................................................            -              -
                                                                            ----------       
  Outstanding December 31, 1997..........................................       65,000          11.50
     Granted.............................................................    1,306,100           8.73
     Exercised...........................................................            -              -
     Canceled or lapsed..................................................      (95,000)         11.33
                                                                            ----------       
  Outstanding December 31, 1998..........................................    1,276,100           8.68
                                                                            ==========
  Exercisable December 31, 1997..........................................       21,668          11.50
                                                                            ==========
  Exercisable December 31, 1998..........................................       70,383          10.98
                                                                            ==========
</TABLE>

  The following table summarizes information about stock options under the 1997
Stock Plan at December 31, 1998:

<TABLE> 
<CAPTION> 
                                                                     Weighted
                                                      Number of      Average         Weighted
   Range of                                            Options      Contractual      Average
Exercise Prices                                      Outstanding       Life       Exercise Price
- ---------------                                      -----------    -----------   --------------
<S>                                                  <C>            <C>           <C>
$ 4.11-$ 7.50.....................................      719,000      9.7 years       $ 6.68
  7.51- 10.00.....................................       15,000      9.6 years         7.94
 10.01- 11.94.....................................      542,100      9.0 years        11.36
                                                     -----------
                                                      1,276,100      9.4 years         8.68
                                                     ===========
</TABLE> 

<TABLE> 
<CAPTION> 
                                                                    
                                                                       Weighted  
                                                                       Average   
                                                      Number of     Exercise Price
   Range of                                            Options        of Options   
Exercise Prices                                      Exercisable      Exercisable 
- ---------------                                      -----------    --------------
<S>                                                  <C>            <C>
$ 4.11-$ 7.50.....................................       6,751          $ 6.13      
  7.51- 10.00.....................................           -               -      
 10.01- 11.94.....................................      63,632           11.50      
                                                     -----------                  
                                                        70,383           10.98      
                                                     ===========
</TABLE> 

  Had compensation cost for the Company's stock option plans been determined in
accordance with the minimum value method as prescribed under SFAS 123, the
Company's net loss attributable to common stockholders and net loss per share
attributable to common stockholders would have approximated the pro forma
amounts shown below for each of the years ended December 31, 1996, 1997 and
1998.

                                       31
<PAGE>
 

<TABLE> 
<CAPTION> 

                                                                            December 31,
                                         --------------------------------------------------------------------------------------
                                                  1996                        1997                         1998
                                         -----------------------    --------------------------    -----------------------------
                                         As Reported   Pro Forma    As Reported     Pro Forma      As Reported     Pro Forma
                                         -----------   ---------    -----------    -----------    -------------   -------------
<S>                                      <C>           <C>          <C>            <C>            <C>             <C>
Net loss attributable to
  common stockholders.................    $(606,241)   $(685,816)   $(7,290,434)   $(7,891,326)   $(18,936,920)   $(20,095,345)
Net loss per share attributable to
  common stockholders.................    $   (0.12)   $   (0.12)   $      (.92)   $     (1.00)   $      (1.55)   $      (1.65)
</TABLE> 

  The assumptions utilized by the Company in deriving the pro forma amounts for
the years ended December 31, 1996 and 1997 are as follows: 1) 0% dividend yield,
2) .1% expected volatility, 3) risk-free interest rate of approximately 6%, and
4) expected life of the options of 10 years. The assumptions utilized by the
Company in deriving the pro forma amounts for the year ended December 31, 1998
are as follows: 1) 0% dividend yield, 2) 50% expected volatility, 3) risk-free
interest rate of approximately 5.25%, and 4) expected life of the options of 10
years. The weighted average grant date fair value of options granted during the
years ended December 31, 1996, 1997, and 1998 was approximately $0.81 per share,
$6.14 per share and $5.77 per share, respectively.

  Preferred Stock

  The Company received aggregate consideration of $1,750,000 from five investors
as subscriptions for the purchase of 175,000 shares of Series B Preferred Stock.
In September 1996, October 1996 and January 1997, the Company received proceeds
of $1,600,000, $50,000 and $100,000, respectively. The Series B Preferred Stock
was non-convertible and accrued dividends at the prime rate. Dividends were
payable when declared by the Board of Directors. Dividends in arrears at
December 31, 1997 were $181,563.  Upon completing a qualified equity financing,
as defined in the Series B Preferred Stock Agreement, the Company was entitled
to redeem all of the shares of the Series B Preferred Stock.  The completion of
the Company's initial public offering satisfied such requirement, and
accordingly, in March 1998, the Company redeemed all of such Series B Preferred
Stock for an aggregate redemption price of $1,750,000, plus accrued dividends
and dividends in arrears.

  In addition, holders of the Series B Preferred Stock received 5 year warrants
to purchase an aggregate of 358,361 shares of Common Stock at $5.86 per share,
which warrants expire on March 27, 2002. Such warrants were valued at $376,334.
The value of such warrants was accreted over the warrant period and such
accretion was classified as preferred dividends. For the years ended December
31, 1997 and 1998, such accretion amounted to $68,424 and $17,106, respectively.

   In December 1996, in connection with the Genentech Evaluation Agreement (see
Note 4), Genentech purchased 307,167 shares of Series A Preferred Stock for
$1,800,000, or $5.86 per share. In March 1997, the Company issued 2,011,468
shares of convertible Series C Preferred Stock for an aggregate purchase price
of $11,787,202.  In addition, three year warrants were issued to certain
purchasers of the Series C Preferred Stock to purchase an aggregate of 366,894
shares of Common Stock at an exercise price of $9.00 per share. Such warrants
were valued at $0 upon issuance. In May 1997, as a result of the Pioneer Hi-Bred
Agreement (see Note 4), the Company issued 1,000,000 shares of Series D
Convertible Preferred Stock, for an aggregate purchase price of $7,500,000.  In
June 1997, the Company issued 100,000 shares of Series E Convertible Preferred
Stock for an aggregate purchase price of $1,000,001.

   In March 1998, upon the closing of the initial public offering of its Common
Stock, the Company automatically converted the Series A, C, D and E Preferred
Stock into shares of Common Stock on a 1 for 1 basis.

6.Income Taxes

  The net deferred income tax assets consisted of the following:

<TABLE>
<CAPTION>
                                                                                        December 31,
                                                                        -------------------------------------------
                                                                               1997                    1998
                                                                        -----------------       -------------------
<S>                                                                     <C>                     <C>
  Total deferred income tax assets....................................     $ 5,930,000              $ 15,400,000
  Valuation allowance.................................................      (5,930,000)              (15,400,000)
                                                                           -----------              ------------
     Total............................................................     $         0              $          0
                                                                           ===========              ============
</TABLE>
                                                                                
  The deferred income tax assets are primarily a result of the federal and
Connecticut net operating loss and research and development credit carryforwards
and timing differences relating to accrued payroll and depreciation and
amortization. As the Company has no prior earnings history, a valuation
allowance has been established due to the Company's uncertainty in its ability
to benefit from the federal and Connecticut net operating loss carryforwards.

                                       32
<PAGE>
 
The change in the valuation allowance was $538,000, $4,068,000 and $9,470,000
for the years ended December 31, 1996, 1997 and 1998, respectively.

  At December 31, 1998, the Company has federal and Connecticut net operating
loss carryforwards for income tax purposes of approximately $27,400,000. Federal
net operating loss carryforwards expire beginning in 2008, and Connecticut net
operating loss carryforwards began expiring in 1998.  The Company also has
federal and Connecticut research and development tax credit carryforwards for
income tax purposes of approximately $1,600,000 and $2,700,000, respectively at
December 31, 1998.

7. Grants

  The Company has received federal grants for specific purposes that are subject
to review and audit by the grantor agencies. Such audits could lead to requests
for reimbursement by the grantor agency for any expenditures disallowed under
the terms of the grant. Additionally, any noncompliance with the terms of the
grant could lead to loss of current or future awards.

  During 1995, the Company received two grants from CII in the amounts of
$450,000 and $237,500. The term of the $450,000 grant is January 4, 1995 to
December 31, 2004, and the term of the $237,500 grant is February 1, 1995 to
January 31, 2005. The Company could be required to repay 100% of these amounts
if during the terms of the respective grants (i) the Company breaches and fails
to cure a material covenant, (ii) a material representation or warranty of the
Company becomes untrue and is not cured, (iii) the Company becomes bankrupt or
insolvent or liquidates its assets, or (iv) the Company is required to repay the
federal grants to which the CII grants relate. In addition, the Company could be
required to repay up to 200% of the amounts of the CII grants if the Company
ceases to have a "Connecticut presence," during the terms of the respective
grants.

8. Related Parties

  From inception of the Company through September 30, 1996, the Chief Executive
Officer elected to defer payment of his salary to future periods on an interest
free basis. This amount had been recorded as accrued payroll-related party as of
December 31, 1997.  In May of 1998, payment in full of $308,125 was made to the
Chief Executive Officer.

  In March 1997, the Company loaned one of its officers $50,000 with a term of 4
years.  The note bore interest at 8% per annum and was automatically forgiven
upon consummation of the initial public offering in March 1998, as previously
defined in the agreement.

  In September 1997, the Company loaned one of its officers $50,000 with a term
of 17 months bearing interest at 8% per annum. If this officer remains an
employee through the maturity date, the loan will be extended contingent upon
continued employment. This note will be forgiven if such officer remains an
employee through September 2001.

  In February 1998, the Company loaned one of its officers $50,000 with a term
of 11 months bearing interest at 8% per annum.  If this officer remains an
employee through the maturity date, the loan will be extended contingent upon
continued employment. This note will be forgiven if such officer remains an
employee through January 2002.

  On December 23, 1998, the Company announced the departure of an Executive Vice
President and member of its Board of Directors.  For the year ended December 31,
1998, in connection with the separation agreement signed by the parties, the
Company has recorded $928,561 of compensation related expenses, including
accrued bonuses for payments of accrued payroll and other compensation related
expenses.  In addition, the Company and the former Executive Vice President and
director executed a non-qualified stock option agreement dated December 23, 1998
for the purchase of 25,000 shares of Common Stock at $6.875 per share, the then
current fair market value of the Company's Common Stock.  The option will become
fully vested and exercisable on June 30, 2000 and shall terminate on June 30,
2002.  The Company has recorded the related stock-based compensation expense in
1998, as described in Note 1.  The Company has also agreed to make available
from time to time during the period from April 1, 1999 to March 31, 2001, a loan
in the maximum principal amount of  $250,000.  If utilized, the loan will have a
term of two years and will bear interest at a variable rate equal to the prime
rate as reported in the Wall Street Journal, adjusted monthly.

                                       33
<PAGE>
 
9. Supplemental Disclosure

  Summary Selected Quarterly Financial Data (Unaudited)
 
<TABLE>
<CAPTION>
                                                            ---------------------------------------------------------------
                                                                                       Quarter Ended
                                                            ---------------------------------------------------------------
                                                                  March 31        June 30        Sept 30         Dec 31
                                                            ----------------   ------------   -------------   -------------
<S>                                                             <C>             <C>             <C>             <C>
1998:
Total revenues                                                  $ 1,989,572     $ 2,715,626     $ 2,308,015     $ 2,243,812
Total operating expenses                                          5,193,696       5,785,697       7,329,895      10,808,811
Net loss attributable to common stockholders                     (3,675,948)     (2,499,017)     (4,511,685)     (8,250,270)
Net loss per common share                                             (0.40)          (0.19)          (0.34)          (0.62)
1997:
Total revenues                                                    1,232,538       1,647,094       1,292,118       1,724,793
Total operating expenses                                          1,677,765       3,050,064       3,774,745       4,721,223
Net loss attributable to common stockholders                       (553,590)     (1,477,192)     (2,370,264)     (2,889,388)
Net loss per common share                                             (0.10)          (0.18)          (0.27)          (0.33)
</TABLE>

                                       34
<PAGE>
 
                         INDEPENDENT AUDITORS' REPORT
                                        
To the Board of Directors
of CuraGen Corporation
New Haven, Connecticut

  We have audited the accompanying balance sheets of CuraGen Corporation (the
"Company") as of December 31, 1997 and 1998, and the related statements of
operations, changes in stockholders' equity (deficiency) and cash flows for each
of the three years in the period ended December 31, 1998. 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 the Company at December 31,
1997 and 1998, and the results of its operations and its cash flows for each of
the three years in the period ended December 31, 1998, in conformity with
generally accepted accounting principles.



/s/ Deloitte & Touche LLP
- -------------------------

Hartford, Connecticut
February 12, 1999

                                       35
<PAGE>
 
ITEM 9.  CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
FINANCIAL DISCLOSURES

Not applicable.


                                    PART III

ITEM 10.  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

The response to this item is incorporated by reference from the discussion
responsive thereto under the captions "Management" and "Section 16(a) Beneficial
Ownership Reporting Compliance" in the Company's Proxy Statement for the 1999
Annual Meeting of Stockholders.

ITEM 11.  EXECUTIVE COMPENSATION

The response to this item is incorporated by reference from the discussion
responsive thereto under the caption "Executive Compensation" in the Company's
Proxy Statement for the 1999 Annual Meeting of Stockholders.

ITEM 12.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

The response to this item is incorporated by reference from the discussion
responsive thereto under the caption "Security Ownership of Certain Beneficial
Owners and Management" in the Company's Proxy Statement for the 1999 Annual
Meeting of Stockholders.

ITEM 13.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

The response to this item is incorporated by reference from the discussion
responsive thereto under the captions "Executive Compensation-Employment
Agreements and Other Termination of Employment Agreements" and "Related
Transactions" in the Company's Proxy Statement for the 1999 Annual Meeting of
Stockholders.

ITEM 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K.

  ITEM 14 (a)(1)  FINANCIAL STATEMENTS.

  The following Financial Statements are included in Item 8:
 
  Balance Sheets as of December 31, 1997 and 1998

  Statements of Operations for the Year Ended December 31, 1996, 1997 and 1998

  Statements of Changes in Stockholders' Equity (Deficiency) for the Year
  Ended December 31, 1996, 1997 and 1998

  Statements of Cash Flows for the Year Ended December 31, 1996, 1997 and 1998

  Notes to Financial Statements

  Independent Auditors' Report

  ITEM 14 (a)(2)  FINANCIAL STATEMENT SCHEDULES.

  All schedules are omitted because they are not applicable or the required
  information is shown in the financial statements or the notes thereto.

                                       36
<PAGE>
 
  ITEM 14 (a)(3)  EXHIBITS.
  The following is a list of exhibits filed as part of this Annual Report on
     Form 10-K.


<TABLE> 
<CAPTION> 

EXHIBIT NO.   DESCRIPTION
- -----------   -----------
<S>           <C>
   @3.1       Amended and Restated Certificate of Incorporation of the
              Registrant (Filed as Exhibit 3.3)
   @3.2       Amended and Restated Bylaws of the Registrant (Filed as Exhibit 3.5)
   @4.1       Article Fourth of the Amended and Restated Certificate of
              Incorporation of the Registrant (Filed as Exhibit 4.1)
   @4.2       Form of Common Stock Certificate (Filed as Exhibit 4.2)
  *10.1       Memorandum of Lease Agreements dated December 23, 1996, October 27,
              1997 and August 31, 1998 (New Haven) between the Registrant and Fusco
              Harbour Associates, LLC
  #10.2       Lease, dated May 29, 1998, (Branford) by and between T.K.J. Associates,
              LLC and the Registrant (Filed as Exhibit 10.1)
  @10.3       Sid Martin Biotechnology Development Institute Incubator License
              Agreement, dated July 15, 1997, between the Registrant and the
              University of Florida Research Foundation, Inc. (Filed as Exhibit 10.3)
  @10.4       1997 Employee, Director and Consultant Stock Plan (Filed as Exhibit 10.4)
  @10.5       1993 Stock Option and Incentive Award Plan (Filed as Exhibit 10.5)
  @10.6       Amendment to 1993 Stock Option and Incentive Plan, dated May 12, 1997
              (Filed as Exhibit 10.6)
  $10.7       Form of Non-Qualified Stock Option Agreement with respect to options to
              purchase an aggregate of 570,000 shares of Common Stock (Filed as
              Exhibit 99.3)
  *10.8       Separation Agreement, dated December 23, 1998, between the Registrant and
              Gregory T. Went, Ph.D.
  @10.9       Employment Letter, dated July 18, 1997, between the Registrant and
              David M. Wurzer (Filed as Exhibit 10.8)
 @10.10       Employment Letter, dated August 21, 1997, between the Registrant and
              Peter A. Fuller, Ph.D. (Filed as Exhibit 10.9)
 +10.11       Option and Exclusive License Agreement, dated October 4, 1996, between
              the Registrant and Wisconsin   Alumni Research Foundation (Filed as
              Exhibit 10.11)
 +10.12       Standard Non-Exclusive License Agreement--Brumley, dated July 1, 1996,
              between the Registrant and Wisconsin Alumni Research Foundation (Filed
              as Exhibit 10.12)
 +10.13       Collaborative Research and License Agreement, dated May 16, 1997,
              between the Registrant and Pioneer Hi-Bred International, Inc. (Filed
              as Exhibit 10.13)
 +10.14       Research and Option Agreement, dated October 1, 1997, between the
              Registrant and Biogen, Inc. (Filed as Exhibit 10.14)
 +10.15       Research and Option Agreement, dated November 20, 1997, between the
              Registrant and Genentech, Inc. (Filed as Exhibit 10.15)
 +10.16       Notice of Grant Award and Grant Application to Department of Health and
              Human Services for Automated Sequencing System for Human Genome
              Project, dated March 25, 1995 (Filed as Exhibit 10.16) 
 @10.17       ATP Agreement for Integrated Microfabricated DNA Analysis Device for
              Diagnosis of Complex Genetic Disorders, dated February 1995 (Filed as
              Exhibit 10.17)
 @10.18       ATP Agreement for Molecular Recognition Technology for Precise Design of
              Protein-Specific Drugs, dated March 2, 1995 (Filed as Exhibit 10.18)
 @10.19       ATP Agreement for Programmable Nanoscale Engines for Molecular Separation,
              dated May 6, 1997 (Filed as Exhibit 10.19)
 @10.20       Material Transfer and Screening Agreement, dated January 15, 1998, between
              the Registrant and ArQule, Inc. (Filed as Exhibit 10.20)
*%10.21       Pharmacogenomics Research and License Agreement, dated November 18, 1998,
              by and between Glaxo Wellcome, Inc. and the Registrant
  *11.1       Schedule of Computation of Net Loss Per Share
  *21.1       Subsidiaries of the Registrant
  *23.1       Consent of Deloitte & Touche LLP
  *27.1       Financial Data Schedule
</TABLE> 

                                       37
<PAGE>
 
<TABLE>
<S>  <C>
*    Filed herewith
@    Previously filed with the Commission as Exhibits to, and incorporated
     herein by reference from, the Registrant's Registration Statement
     filed on Form S-1, File No. 333-38051.
#    Previously filed with the Commission and incorporated herein by
     reference from the Form 10-Q, File No. 000-23223, for the period
     ending June 30, 1998.
$    Previously filed as Exhibit 99.3 to the Company's Registration Statement
     on Form S-8, File No. 333-56829, and incorporated herein by reference.
+    Previously filed with the Commission as Exhibits to, and incorporated
     herein by reference from, the Registrant's Registration Statement filed
     on Form S-1, File No. 333-38051, and for which Confidential Treatment
     has been granted by the Commission as to certain portions.
%    Confidential Treatment requested as to certain portions, which portions
     are omitted and filed separately with the Commission.
</TABLE>

  Where a document is incorporated by reference from a previous filing, the
Exhibit number of the document in that previous filing is indicated in
parentheses after the description of such document.

  ITEM 14 (b) REPORTS ON FORM 8-K

  The Company did not file any Current Reports on Form 8-K during the three
months ended December 31, 1998.

                                       38
<PAGE>
 
                                  SIGNATURES
                                        
Pursuant to the requirements 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.



Dated: March 26, 1999               CuraGen Corporation

 
                                    By: /s/  David M. Wurzer
                                        --------------------
                                    David M. Wurzer
                                    Executive Vice-President, Treasurer
                                    and Chief Financial Officer
                                    (principal financial and accounting officer)

Pursuant to the requirements of the Securities Exchange Act of 1934, this report
has been signed below by the following persons on behalf of Registrant and in
the capacities indicated on March 26, 1999.

<TABLE> 
<CAPTION> 

     Signature                                               Title
<S>                                              <C>
/s/ Jonathan M. Rothberg, Ph.D.                  Chief Executive Officer, Chairman
- -------------------------------                  of the Board of Directors and President
Jonathan M. Rothberg, Ph.D.                      (principal executive officer and director)

/s/  David M. Wurzer                             Executive Vice-President, Treasurer
- --------------------                             and Chief Financial Officer
David M. Wurzer                                  (principal financial and accounting officer)
                                   
/s/ Richard H. Booth, C.P.A., C.L.U., Ch.F.C.         Director
- ---------------------------------------------           
Richard H. Booth, C.P.A., C.L.U., Ch.F.C.

/s/ Vincent T. DeVita, Jr., M.D.                      Director
- --------------------------------                     
Vincent T. DeVita, Jr., M.D.

/s/ Robert E. Patricelli, J.D.                        Director
- -------------------------------                      
Robert E. Patricelli, J.D.

/s/ James L. Vincent                                  Director
- --------------------                                 
James L. Vincent
</TABLE> 

                                       39
<PAGE>
 
                                 EXHIBIT INDEX


<TABLE> 
<CAPTION> 

EXHIBIT NUMBER       DESCRIPTION
- --------------       -----------
<S>                  <C>
    10.1             Memorandum of Lease Agreements dated December 23, 1996, October 27, 1997
                     and August 31, 1998 (New Haven) between the Registrant and Fusco Harbour
                     Associates, LLC

   10.8              Separation Agreement, dated December 23, 1998, by and between Gregory T. Went,
                     Ph.D. and the Registrant

  %10.21             Pharmacogenomics Research and License Agreement, dated November 18, 1998,
                     by and between Glaxo Wellcome, Inc. and the Registrant

   11.1              Schedule of Computation of Net Loss Per Share

   21.1              Subsidiaries of the Registrant

   23.1              Consent of Deloitte & Touche LLP

   27.1              Financial Data Schedule
</TABLE> 

%  Confidential Treatment requested as to certain portions, which portions are
   omitted and filed separately with the Commission.

                                       40

<PAGE>
 
                                                                    EXHIBIT 10.1

                              MEMORANDUM OF LEASE


  In accordance with Connecticut General Statutes, Section 47-19, notice is
hereby given of a certain Lease by and between FUSCO HARBOUR ASSOCIATES, LLC, a
Connecticut limited liability company, having its principal place of business
c/o The Fusco Corporation, 555 Long Wharf Drive, New Haven, Connecticut 06511,
as Landlord, and CURAGEN CORPORATION, a Delaware corporation, with an office at
555 Long Wharf Drive, New Haven, Connecticut 06511, as Tenant, as follows:
 
 
Date of Execution:      December 23, 1996
 
Date of Execution of
First Amendment to
Lease Agreement:        October 27, 1997
 
Date of Execution of
Second Amendment to
Lease Agreement:        August 31, 1998

Description of the
Demised Premises:       Thirty-five thousand nine hundred thirty eight
                        (35,938) rentable square feet of floor area, situated
                        in Building I of the Long Wharf Maritime Center
                        complex, located at 555 Long Wharf Drive, New Haven,
                        Connecticut 06511.

Initial Term:           The period commencing on January 1, 1997 and expiring
                        on December 31, 2002.

Rights of Extension
or Renewal:             Two (2) periods of five (5) years each.
 

File Copy:              A copy of the Lease is on file in the office of the
                        Landlord. All provisions set forth in that certain Lease
                        between Landlord and Tenant dated December 23, 1996 are
                        incorporated into and made a part of this Memorandum of
                        Lease by reference.

Conflict:               In the event of a conflict between the terms of the
                        Lease and this Memorandum of Lease, the terms of the
                        Lease shall prevail.

<PAGE>
 
                                                                   Exhibit 10.8


                                   AGREEMENT

     THIS AGREEMENT ("Agreement") is made as of the 23rd day of December, 1998,
by and among CuraGen Corporation, a Delaware corporation (the "Company"),
Gregory T. Went, Ph.D. ("Dr. Went"), the Gregory T. Went 1997 Irrevocable Trust
and the Gregory and Marjorie Went 1997 Children's Trust (collectively, the
"Trusts").

     WHEREAS, the parties wish to provide for Dr. Went's separation from the
Company as an Executive Vice President and for his resignation as a Director of
the Company upon the terms and conditions hereinafter set forth.

     NOW, THEREFORE, in consideration of the foregoing and the mutual agreements
hereinafter set forth, the parties, intending to be legally bound, hereby agree
as follows:

     1.   Employment/Consulting Status: Salary and Benefits. (a) On January 4,
          ----------------------------      
1999, the Company shall make a one-time severance payment to Dr. Went amounting
to $100,000.00, less all normal payroll deductions and withholdings.

     (b)  For the period of time from the date hereof through March 31, 1999
(the "Termination Date"), Dr. Went shall continue as a full-time employee of the
Company. As and when reasonably requested, until the Termination Date, Dr. Went
will assist the Company on strategic alliances and other special projects and
will aid in the transition of his responsibilities. From the date of this
Agreement through December 31, 1998, the Company shall continue to pay Dr. Went
a salary at the rate of $175,000.00 per annum. From January 1, 1999 through the
Termination Date, the Company shall pay Dr. Went a salary at the rate of
$200,000.00 per annum. The salary to be paid to Dr. Went in this Section 1(b)
shall be payable on a periodic basis consistent with past practices and
regardless of whether Dr. Went's employment is terminated for any reason.

     (c)  For the period of time from April 1, 1999 through December 31, 1999,
Dr. Went shall serve as a consultant to the Company. After December 31, 1999,
the term of the consulting period may be extended on a month-to-month basis
until June 30, 2000, if at the beginning of each month Dr. Went has not become
employed on a substantially full-time basis by a subsequent employer, as defined
below. Dr. Went shall notify the Company in writing immediately upon becoming
employed on a full-time basis by a subsequent employer. Dr. Went shall be deemed
to be employed on substantially a full-time basis by a subsequent employer if he
becomes an employee of any one or more entities, or a consultant to any one or
more entities, where such employment and/or consulting together involve (i)
thirty (30) or more hours per week on average or (ii) compensation that would
exceed, when annualized, $150,000.00 per annum. The date on which Dr. Went's
service as a consultant is terminated hereunder is referred to herein as the
"Consulting Termination Date." As and when requested and as mutually agreed,
until the Consulting Termination Date, Dr. Went will assist the Company on
strategic alliances and other special projects, provided, however, that such
services shall require no more than an aggregate of fifteen (15) days (each day
consisting of eight-hours) from April 1, 1999 through December 31, 1999,
provided that Dr. Went shall be available on a $2,000.00 per diem (plus

                                       1
<PAGE>
 
reasonable expenses) basis thereafter, as mutually agreed. During the consulting
period, the Company shall pay Dr. Went a consulting fee at the rate of
$200,000.00 per annum. The consulting fee provided for in this Section 1(c)
shall be paid in equal installments on a periodic basis consistent with the
Company's payroll practices for all salaried employees and regardless of whether
the Company terminates Dr. Went's consulting arrangements for any reason. Dr.
Went shall be promptly reimbursed for all reasonable expenses incurred by him in
connection with the services rendered pursuant to Sections 1(b) and (c) upon
presentation of receipts evidencing such expenses, provided that any expenses in
excess of $500.00 shall receive the prior written approval of the Company. Dr.
Went's services as a consultant shall be performed as an independent contractor
and not as an employee. In accordance therewith, he shall have no authority to
bind, represent or act on behalf of the Company, shall not be an employee for
purposes of any Company benefit, benefit plan, or employment policy and shall
obtain and/or pay for all insurance, taxes and other things required by law and
necessary to the performance of the consulting services, including without
limitation, payment of all local, state and federal employment taxes and
unemployment insurance. The Company shall promptly issue Dr. Went a Form 1099
with respect to the payments for the consulting services.

     (d)  For the period of time from the date hereof through the Termination
Date, the Company shall provide Dr. Went and his eligible dependents with
continued coverage under all health, dental, medical and hospitalization plans
maintained by the Company during such time period on the same terms and
conditions applicable to executive officers of the Company. After the
Termination Date, the Company shall provide Dr. Went with the opportunity to
continue applicable coverages under the Consolidated Omnibus Budget
Reconciliation Act of 1985 ("COBRA"). During the time that Dr. Went is a
consultant to the Company pursuant to this Agreement, the Company, on the
submission of documentation reasonably satisfactory to it, shall reimburse Dr.
Went for his payments under COBRA in the same percentage as it contributed to
such coverage prior to the Termination Date, provided, however, that the
Company's obligation to make such reimbursement shall cease at the earlier of
the expiration of the COBRA coverage period, the Consulting Termination Date, or
such time as Dr. Went becomes eligible for coverage under another employer's
group insurance plan, and provided further that Dr. Went shall notify the
Company in writing immediately upon learning of such eligibility. Until the
Consulting Termination Date, the Company also shall provide Dr. Went with
reasonable email and phone mail access and, until the Termination Date, the
Company shall provide Dr. Went with secretarial support, all as mutually agreed
and consistent with Company policy and practices for employees.

     (e)  The Company hereby assigns and transfers to Dr. Went all of its right,
title and interest in and to the fax machine, personal computers, software
(excluding any information stored thereon which belongs to the Company), and
printer that were installed by the Company at Dr. Went's residence for his use
on behalf of the Company, free and clear of all liens and encumbrances. The
foregoing assets are assigned and transferred to Dr. Went as they exist on the
date hereof and the Company makes no representations or warranties whatsoever
regarding such assets.

     2.   Resignation.  Dr. Went hereby resigns as an officer and director of
          -----------
the Company and as an officer and director of any subsidiaries or affiliates of
the Company, effective on

                                       2
<PAGE>
 
December 31, 1998. After such date, Dr. Went shall have no authority to
represent himself as an officer or director of the Company to any person or
entity or to act or purport to act in any such capacity, but Dr. Went shall
continue as a full-time employee of the Company as described in Section 1 above.

     3.   $250,000.00 Loan. From time to time during the period from April 1,
          ----------------
1999 through March 31, 2001, the Company will make available to Dr. Went a loan
in the maximum principal amount of up to $250,000.00, provided that Dr. Went
must borrow funds under such loan in increments of at least $50,000.00. The loan
will have a term of two years and will bear interest at a variable rate equal to
the prime rate as reported in The Wall Street Journal from time to time,
adjusted monthly. The Company's obligation to extend the loan to Dr. Went is
conditioned upon Dr. Went executing a promissory note in the form attached
hereto as Exhibit A at the time of the first loan.
          ---------

     4.   Stock Options. (a) On the date hereof, the Company shall issue to Dr.
          -------------
Went a stock option exercisable for 25,000 shares of common stock of the Company
(the "Common Stock"), at an exercise price per share equal to the fair market
value of the Common Stock on the date hereof, determined in accordance with the
Company's 1997 Employee, Director and Consultant Stock Option Plan. The option
shall become fully vested and immediately exercisable for all of the Common
Stock thereunder on June 30, 2000 and shall terminate on June 30, 2002. On the
date hereof, the Company shall execute and deliver a stock option agreement, in
the form of Exhibit B attached hereto, evidencing the issuance of the foregoing
            ---------
option.

     (b)  On January 4, 1999, or as soon thereafter as practicable, but in no
event after January 10, 1999, Dr. Went and/or the Trusts shall be allowed to
immediately exercise in full the option to purchase 83,000 shares of Common
Stock under the Non-Qualified Stock Option Agreement between the Company and Dr.
Went, dated December 28, 1993 (the "1993 Stock Option"). In addition, the
Company shall pay to such optionees $83,000.00 to enable them to exercise such
options. Accordingly, at the time of exercise, the $83,000.00 payment will be
deemed to have been received from the Company and, immediately thereafter, to
have been paid to the Company in order to exercise the 1993 Stock Option. Within
three days of such exercise, the Company shall issue to Dr. Went and/or the
Trusts an aggregate of 83,000 shares of Common Stock. The Company shall make an
additional payment (the "Gross-Up Payment") in an amount equal to the sum of (i)
the federal and state income tax liability imposed on receipt of the $83,000.00
payment and the exercise of the 1993 Stock Options, and (ii) the federal and
state income tax liability imposed on receipt of the Gross-Up Payment. The 
Gross-Up Payment shall be calculated assuming that Dr. Went is taxable at the
combined federal and state income tax rate of 45.0%. The Company shall pay any
withholding taxes imposed on any such payments as required and shall treat such
paid withholding taxes as an interest-free advance to Dr. Went, to be recovered
from the Gross-Up Payment. The Gross-Up Payment shall be paid not later than
December 31, 1999. An example of the calculation of the Gross-Up Payment is set
forth on Exhibit C hereof.
         ---------

     (c)  Exhibit D attached hereto sets forth certain information regarding
          ---------
all other options to purchase Common Stock currently held by Dr. Went. Such
options shall remain in effect

                                       3
<PAGE>
 
and shall vest and be exercisable in accordance with the terms thereof. No
amendment, modification or revision of any option agreement listed on Exhibit D,
                                                                      ---------
or the option agreements described in Sections 4(a) and (b) above, shall be
effective unless approved in writing by Dr. Went. The Company represents to Dr.
Went and the Trusts that none of the Common Stock underlying such stock options
is or will be subject to repurchase by the Company.

     (d)  If the Company believes that Dr. Went has engaged in activities
that constitute "cause" under the Stock Options, as defined in Section 5 below,
such that the Company is entitled to terminate Dr. Went's right to exercise the
Stock Options, then the Company shall give Dr. Went fifteen (15) days advance
written notice of its intention to request that the Compensation Committee of
the Board of Directors terminate the Stock Options and provide Dr. Went with an
opportunity to be heard before the Compensation Committee of the Board of
Directors at a time to be mutually agreed upon between the Compensation
Committee and Dr. Went during such fifteen-day period. No such determination of
cause shall be made prior to the end of such fifteen (15) day period.

     5.   Participation in Cashless Exercise Program. As long as Dr. Went
          ------------------------------------------
holds any of the options listed or described in Section 4 above (the "Stock
Options"), Dr. Went shall be entitled to participate, to the same extent as
employees of the Company, in the "cashless exercise" program relating to Company
stock options maintained on the Company's behalf by Morgan Stanley & Co.
Incorporated (or any successor program).

     6.   Lockup and Compliance with Company Trading Policy. (a) Until June 30,
          -------------------------------------------------
1999, each of Dr. Went and the Trusts will not (i) offer, pledge, sell, contract
to sell, sell any option or contract to purchase, purchase any option or
contract to sell, grant any option, right or warrant to purchase, lend, or
otherwise transfer or dispose of, directly or indirectly, any shares of Common
Stock or any securities convertible into or exercisable or exchangeable for
Common Stock, or (ii) enter into any swap or other arrangement that transfers to
another, in whole or in part, any of the economic consequences of ownership of
the Common Stock, whether any such transaction described in clause (i) or (ii)
above is to be settled by delivery of Common Stock or such other securities, in
cash or otherwise. Notwithstanding the foregoing, Dr. Went (but not the Trusts)
may sell or transfer up to 5,000 shares of Common Stock per month beginning
February 1, 1999 .

     (b)  Until the Consulting Termination Date, each of Dr. Went and the Trusts
shall comply with the Company's "Statement of Company Policy-Securities Trades
by Company Personnel," a copy of which is attached hereto as Exhibit E. The
                                                             ---------
Company represents that (i) all of the Stock Options have been granted in
accordance with Rule 16b-3 of the Securities and Exchange Act of 1934, as
amended (the "34 Act"), (ii) except for the Common Stock underlying the Stock
Options held by the Trusts, the Common Stock underlying the Stock Options has
been registered on Form S-8's under the Securities Act of 1933, as amended,
(iii) upon Dr. Went's exercise of any of the Stock Options held by him, it will
cause its legal counsel to promptly issue any necessary instructions to the
Company's transfer agent so that Dr. Went may readily resell or transfer the
shares obtained upon exercise of any of the Stock Options, and (iv) upon the
Trusts' exercise of any of the Stock Options held by them, it will cause its
legal counsel to promptly

                                       4
<PAGE>
 
issue any necessary instructions to the Company's transfer agent so that such
shares will be issued with the appropriate restrictive legends.

     7.   Return of Property. Within ten days of the date of this Agreement,
          ------------------
Dr. Went shall return to the Company all property, except as set forth herein or
in writing from the Chief Executive Officer or the Chief Financial Officer of
the Company, that belongs to the Company or that otherwise pertains to its
business, including, without limitation, any and all documents and copies
thereof, compilations of information in any form, software and credit cards. On
or prior to the Termination Date, Dr. Went shall return to the Company all keys,
security access cards, identification cards and other means of obtaining access
to its premises.

     8.   Non-Disparagement.  (a) For a period of five years from the date
          -----------------
hereof, Dr. Went will not make any statements that are professionally
disparaging about, or adverse to, the interests of the Company (including its
officers, directors and employees), including, but not limited to, any
statements that disparage any person, product, service, finances, financial
condition, capability or any other aspect of the business of the Company, and
Dr. Went will not engage in any conduct that is intended to harm professionally
or personally the reputation of the Company, including its officers, directors
and employees.

     (b)  For a period of five years from the date hereof, the Company will
cause its officers, directors and human resources personnel not to make any
statements that are professionally or personally disparaging about, or adverse
to, the interests of Dr. Went, and not to engage in any conduct that is intended
to harm professionally or personally the reputation of Dr. Went.

     (c)  Attached hereto as Exhibit F is the Company's press release announcing
                             ---------   
Dr. Went's departure. For a period of five years from the date hereof, neither
Dr. Went nor the Company will make any statement relating to Dr. Went's
departure that is inconsistent with such press release.

     (d)  In the event that Dr. Went violates this Section 8, such violation
will not constitute "cause" under the Stock Options or result in the termination
of his right to exercise the Stock Options.

     9.   Employee Confidential Information and Inventions Agreement.
          ----------------------------------------------------------
Notwithstanding any other provision of this Agreement, the Employee Confidential
Information and Inventions Agreement, attached hereto as Exhibit G, shall
                                                         ---------
survive the execution of this Agreement and shall remain in effect in accordance
with its terms, provided, however, that the period described in paragraph 6(a)
of such agreement shall extend to and until December 31, 1999 or the maximum
period permitted by applicable law (whichever is shorter).

     10.  Non Solicitation and Hiring. Until December 31, 1999, Dr. Went, either
          ---------------------------
individually or on behalf of or through any third party, shall not directly or
indirectly (i) solicit, entice or persuade or attempt to solicit, entice or
persuade any employees of or consultants to the Company or to any present or
future parent, subsidiary or affiliate of the Company to leave the

                                       5
<PAGE>
 
services of the Company or of any such parent, subsidiary or affiliate for any
reason, or (ii) hire, as a consultant or employee, any person who was an
employee or consultant of the Company at any time during the six months prior to
his or her date of hire by Dr. Went, either individually or on behalf of or
through any third party.

     11.  Cooperation. In connection with the services described in Section 1,
          -----------
Dr. Went shall cooperate fully with the Company in the defense or prosecution of
any patent applications or patents of the Company and any claims or actions now
in existence or which may be brought or threatened in the future against or on
behalf of the Company, including any claims or actions against its officers,
directors and employees, except that after the termination of Dr. Went's
employment and service as a consultant under Section 1 hereof, Dr. Went's
cooperation under this paragraph shall be at the parties' mutual convenience and
agreement and Dr. Went shall be entitled to receive the per diem amount
specified in Section 1(c) hereof. Dr. Went's cooperation in connection with such
actions or claims shall include, without limitation, his being available to meet
with the Company in connection with any contract matters or audits, to prepare
for any proceeding (including, without limitation, depositions, consultation,
discovery or trial), to provide affidavits, to assist with any audit,
inspection, proceeding or other inquiry, or to act as a witness in connection
with any litigation or other legal proceeding affecting the Company. Dr. Went
further agrees that should he be contacted (directly or indirectly) by any party
representing an individual or entity adverse to the Company, he shall promptly
notify the Company.

     12.  Release and Waiver. (a) Dr. Went hereby agrees and acknowledges that
          ------------------
by signing this Agreement and accepting the payments and benefits to be provided
to him, and other good and valuable consideration provided for in this
Agreement, he is waiving his right to assert any form of legal claim against the
Company1 whatsoever for any alleged action, inaction or circumstance existing or
arising from the beginning of time through the Termination Date. Dr. Went's
waiver and release herein is intended to bar any form of legal claim, charge,
complaint or any other form of action (jointly referred to as "Claims") against
the Company seeking any form of relief including, without limitation, equitable
relief (whether declaratory, injunctive or otherwise), the recovery of any
damages or any other form of monetary recovery whatsoever (including, without
limitation, back pay, front pay, compensatory damages, emotional distress
damages, punitive damages, attorneys fees and any other costs) against the
Company, for any alleged action, inaction or circumstance existing or arising
through the Termination Date.

     Without limiting the foregoing general waiver and release, Dr. Went
specifically waives and releases the Company from any Claim arising from or
related to his employment relationship with the Company or the termination
thereof, including, without limitation:

     (i)  Claims under any state or federal discrimination, fair employment
          practices or other employment related statute, regulation or executive
          order (as they may have been amended through the Termination Date)
          prohibiting discrimination or harassment based upon any protected
          status including, without limitation, race, national origin, age,
          gender, marital status, disability, veteran status or sexual

- --------
1 For the purposes of this Section 12, the parties agree that the term "Company"
shall include Company, its divisions,  affiliates and subsidiaries,  and its and
their respective officers, directors, employees, agents and assigns.

                                       6
<PAGE>
 
          orientation. Without limitation, specifically included in this
          paragraph are any Claims arising under the federal Age Discrimination
          in Employment Act, the Older Workers Benefit Protection Act, the Civil
          Rights Acts of 1866 and 1871, Title VII of the Civil Rights Act of
          1964, the Civil Rights Act of 1991, the Equal Pay Act, the Americans
          With Disabilities Act and any similar Connecticut or other state
          statute.

     (ii) Claims under any other state or federal employment related statute,
          regulation or executive order (as they may have been amended through
          the Termination Date) relating to wages, hours or any other terms and
          conditions of employment. Without limitation, specifically included in
          this paragraph are any Claims arising under the Fair Labor Standards
          Act, the Family and Medical Leave Act of 1993, the National Labor
          Relations Act, the Employee Retirement Income Security Act of 1974,
          COBRA and any similar Connecticut or other state statute.

     (iii)Claims under any state or federal common law theory including, without
          limitation, wrongful discharge, breach of express or implied contract,
          promissory estoppel, unjust enrichment, breach of a covenant of good
          faith and fair dealing, violation of public policy, defamation,
          interference with contractual relations, intentional or negligent
          infliction of emotional distress, invasion of privacy,
          misrepresentation, deceit, fraud or negligence.

     (iv) Any other Claim arising under local, state or federal law.

          Notwithstanding the foregoing, this Section 12 does not release the
Company, and Dr. Went expressly reserves claims arising from any obligation
contained in this Agreement. Dr. Went acknowledges and agrees that, but for
providing this waiver and release, he would not be receiving the payments and
benefits being provided to him under the terms of this Agreement.

          (b)    The Company releases and discharges Dr. Went from any and all
actions, causes of action, suits, debts, dues, sums of money, accounts,
covenants, contracts, controversies, agreements, promises, judgments, demands,
liability, claims and damages whatsoever, in law or equity, that the Company
ever had or now has, including without limitation, any claim arising from or
relating to Dr. Went's employment with, service as an officer and director of,
or direct or indirect holding of equity securities in, or in any other capacity
relating to the Company, including, but not limited to, any claims arising under
any federal, state or local law or ordinance, tort, employment contract (express
or implied), public policy, or any other obligation, other than those relating
to the performance of Dr. Went's obligations under this Agreement.

          (c)    Nothing herein shall alter, amend or modify the Company's
obligations to indemnify Dr. Went in connection with any action or omission
while Dr. Went was a director and officer of the Company. The Company shall at
all times provide Dr. Went the same amount of coverage and he shall be entitled
to the same level (and no lesser level) of indemnification as any other officer
or director of the Company pursuant to any charter, by-law, director and officer
liability policy or other agreement.

                                       7
<PAGE>
 
     13.  Representations and Warranties. (a) The Company represents and
          ------------------------------
warrants to Dr. Went and the Trusts as follows: (i) that it has full legal
right, power and authority to enter into and perform all of its obligations
under this Agreement and to perform the actions to be performed by it pursuant
to this Agreement; (ii) the execution and delivery of this Agreement by it will
not violate any other agreement to which it is a party, (iii) no consent of any
third party is required for the execution and performance of this Agreement by
it, and (iv) this Agreement has been duly executed and delivered by it and
constitutes its legal, valid and binding agreement enforceable in accordance
with its terms, subject to bankruptcy, insolvency, fraudulent conveyance,
reorganization, moratorium and similar laws, now or hereafter in effect,
affecting creditors' rights and remedies generally and to general principles of
equity.

     (b)  Each of Dr. Went and the Trusts represents and warrants to the Company
as follows: (i) that he or it has full legal right, power and authority to enter
into and perform all of its obligations under this Agreement and to perform the
actions to be performed by it pursuant to this Agreement; (ii) the execution and
delivery of this Agreement by him or it will not violate any other agreement to
which he or it is a party, (iii) no consent of any third party is required for
the execution and performance of this Agreement by him or it, and (iv) this
Agreement has been duly executed and delivered by him and it and constitutes his
and its legal, valid and binding agreement enforceable in accordance with its
terms, subject to bankruptcy, insolvency, fraudulent conveyance, reorganization,
moratorium and similar laws, now or hereafter in effect, affecting creditors'
rights and remedies generally and to general principles of equity. Dr. Went
further represents that since June 30, 1998, he has not had any "reportable
transactions" under Section 16(a) of the 34 Act, other than the grant of the
Stock Options.

     14.  Equitable Relief. Dr. Went hereby expressly covenants and agrees that
          ----------------
the Company will suffer irreparable damage in the event any of the provisions of
Section 9, 10 and 11 hereof, including the provisions of the Employee
Confidential Information and Inventions Agreement referred to therein, are not
performed or are otherwise breached and that the Company shall be entitled as a
matter of right (without the need to prove actual damages) to an injunction or
injunctions and other relief to prevent a breach or violation by Dr. Went and to
secure the enforcement of such provisions. Resort to such equitable relief,
however, shall not constitute a waiver of any other rights or remedies which the
Company may have.

     The Company hereby expressly covenants and agrees that Dr. Went will suffer
irreparable damage in the event any of the provisions of this Agreement are not
performed or are otherwise breached and that Dr. Went shall be entitled as a
matter of right (without the need to prove actual damages) to an injunction or
injunctions and other relief to prevent a breach or violation by the Company and
to secure the enforcement of such provisions. Resort to such equitable relief,
however, shall not constitute a waiver of any other rights or remedies which Dr.
Went may have.

     15.  Confidentiality. All information relating in any way to the subject
          ---------------
matter of this Agreement, including the terms and amount of payments and
benefits provided under this Agreement, shall be held confidential by the
Company and Dr. Went and shall not be publicized or disclosed to any person
(other than an immediate family member, legal counsel or financial

                                       8
<PAGE>
 
advisor, provided that any such individual to whom disclosure is made agrees to
be bound by these confidentiality obligations), business entity or government
agency (except where disclosure is mandated by state or federal law or
regulation or by legal process).

     16.  Notice. All notices, requests and other communications to any party
          ------
hereunder shall be given or made in writing and mailed (by registered or
certified mail or by overnight courier) or delivered by hand as follows:

          (a)    if to the Company, to it at:

                 CuraGen Corporation
                 Long Wharf Maritime Center
                 555 Long Wharf Drive, 11th Floor
                 New Haven, Connecticut 06511
                 Attention:       Jonathan M. Rothberg, Chief Executive Officer

          with a copy to:

                 Mintz, Levin, Cohn, Ferris, Glovsky
                   and Popeo, P.C.
                 One Financial Center
                 Boston, MA 02111
                 Attention:       Jeffrey M. Wiesen, Esquire

          (b)    if to Dr. Went or the Trusts at:

                 Gregory T. Went, Ph.D.
                 34 Scotland Avenue
                 Madison, CT  06443

          with a copy to:

                 Gadsby and Hannah LLP
                 225 Franklin Street
                 Boston, MA 02110
                 Attention:       Lawrence Gennari, Esquire

or such address as such party may hereafter specify for the purpose of notice to
the other party hereto. Each such notice, request or other communication shall
be effective when, if delivered by hand, received by the party to which it is
addressed or, if mailed in the manner described above, on the third business day
after the date of mailing.

     17.  Successors and Assigns.  The rights and obligations of the Company
          ----------------------
under this Agreement shall inure to the benefit and be binding upon its
successors and assigns and any entity to which its assets and business may be
transferred by operation of law or otherwise. This 

                                       9
<PAGE>
 
Agreement is personal to Dr. Went and the Trusts and they shall not, without the
written consent of the Company, assign their rights or obligations hereunder,
other than by will or the laws of descent and distribution, but the provisions
hereof shall inure to the benefit of and be enforceable by Dr. Went's heirs and
legal representatives.

     18.  Arbitration. Except with respect to proceedings to obtain equitable
          -----------
relief as provided in Section 14 hereof, any dispute, controversy, or claim
arising out of, in connection with, or in relation to this Agreement and its
exhibits, shall be settled by arbitration in Hartford, Connecticut, or such
other place as agreed by the parties, pursuant to the Commercial Rules then in
effect of the American Arbitration Association. Notwithstanding anything else
contained herein, the arbitration shall be before one arbitrator who, within ten
(10) days of the receipt by one party of a Demand for Arbitration by the other
party, shall be selected by agreement of the parties. Failing such agreement,
the parties, within five (5) days thereof, shall submit the matter to the
American Arbitration Association and the arbitrator shall be selected and
appointed by the American Arbitration Association itself. The arbitrator's
decision shall be rendered within sixty (60) days of his/her selection and shall
be in writing with a statement of the reasons supporting such decision. Any
award or determination shall be final, binding, and conclusive upon the parties,
except as provided by the applicable arbitration statute, and judgment rendered
may be entered thereon in any court having jurisdiction thereof. Dr. Went and
the Company knowingly waive any and all rights to jury trial in any forum. The
parties hereby expressly waive punitive damages. Each party shall bear its own
expenses, including attorney's fees, relating to the arbitration unless
otherwise determined in the arbitration.

     19.  Dr. Went's Expenses. Within three business days of the execution of
          -------------------
this Agreement, the Company shall pay all of the expenses incurred by Dr. Went
in connection with this Agreement, including legal and accounting fees, not to
exceed $10,000.00.

     20.  Governing Law. This Agreement shall be construed in accordance with
          -------------
and governed by the substantive laws of the State of Delaware, without regard to
the choice of law rules thereof.

     21.  Complete  Understanding.  Except as expressly provided herein, this
          -----------------------  
Agreement supersedes any prior contracts, understandings, discussions and
agreements among the parties and constitutes the complete understanding between
them with respect to the subject matter hereof. No statement, representation,
warranty or covenant has been made by any party with respect hereto except as
expressly set forth therein.

     22.  Modification: Waiver. (a) This Agreement may be amended or waived if,
          --------------------
and only if, such amendment or waiver is in writing and signed, in the case of
an amendment, by the Company on the one hand and Dr. Went and the Trusts on the
other or in the case of a waiver, by the party against whom the waiver is to be
effective.

     (b)  No failure or delay by any party in exercising any right, power or
privilege hereunder shall operate as a waiver thereof nor shall any single or
partial exercise thereof preclude any other or further exercise thereof or the
exercise of any other right, power or

                                       10
<PAGE>
 
privilege. The rights and remedies herein provided shall be cumulative and shall
not be exclusive of any rights or remedies provided by law or at equity.

     23.  Headings. The section headings in this Agreement are for convenience
          --------
of reference only and shall not control or affect the meaning or construction of
this Agreement.

     24.  Counterparts. This Agreement may be signed in any number of
          ------------
counterparts, each of which shall be an original, with the same effect as if the
signatures thereto and hereto were upon the same instrument. This Agreement
shall become effective when each party hereto shall have received counterparts
hereof signed by the other party hereto.

     25.  Construction.  Dr. Went, the Trusts and the Company have cooperated in
          ------------
the drafting and preparation of this Agreement. Hence, in any construction to be
made of this Agreement, the same shall not be construed against any party on the
basis that the party was the drafter.

     26.  Further Assurances. The parties hereto shall, at the request of any
          ------------------
other party, execute and deliver any further instruments or documents and take
all such further action as such party reasonably may request in order to
consummate and make effective the foregoing provisions of this Agreement.

                                       11
<PAGE>
 
     IN WITNESS WHEREOF, the Company and the Trusts have caused this Agreement
to be duly executed in its name by one of its duly authorized representative,
and Dr. Went has manually signed his name hereto, as of the date first written
above.


                                      /s/ Gregory T. Went, Ph.D.
                                      --------------------------  
                                      Gregory T. Went, Ph.D.


                                      GREGORY T. WENT 1997
                                      IRREVOCABLE TRUST


                                      By: /s/ James M. Bustillo
                                          ---------------------

                                      By: /s/ Marjorie Went
                                          -----------------

                                          Its Trustees


                                      GREGORY AND MARJORIE WENT
                                      1997 CHILDREN'S TRUST


                                      By: /s/ James M. Bustillo
                                          ---------------------

                                      By: /s/ Marjorie Went
                                          -----------------

                                          Its Trustees


                                      CURAGEN CORPORATION


                                      By /s/ David M. Wurzer
                                         -------------------
                                          Its /s/ EVP and CFO
                                              ---------------

                                       12

<PAGE>
 
CuraGen Corporation has omitted from this Exhibit 10.21 portions of the
Agreement for which CuraGen Corporation has requested confidential treatment
from the Securities and Exchange Commission.  The portions of the Agreement for
which confidential treatment has been requested are marked with X's in brackets
and such confidential portions have been filed separately with the Securities
and Exchange Commission.

                                                                   Exhibit 10.21


     CURAGEN-GLAXO WELLCOME PHARMACOGENOMICS RESEARCH and LICENSE AGREEMENT

Effective as of the date of complete mutual execution of this document, (the
"Effective Date"), GlaxoWellcome, Inc., having an address of Five Moore Drive,
PO Box 13398, Research Triangle Park, North Carolina 27709-3398, U.S.A., ("GW"),
and CuraGen Corporation, having an address of 555 Long Wharf Drive, 11th Floor,
New Haven, Connecticut 06511, ("CURAGEN") agree as follows:


                                   ARTICLE I
                                  BACKGROUND

1.00  CURAGEN has developed and represents that it is the sole owner of
functional genomics technologies known as Quantitative Expression Analysis
technology, GeneScape(R) software, GeneCalling(R) bioinformatics software, and
the Rodent SeqCalling(TM) database. CURAGEN offers a Pharmacogenomics Program
that includes GeneScape(R), GeneCalling(R) and CuraShop(TM). CURAGEN also offers
a Subscription Program that includes the Rodent SeqCalling(TM) database.
Collectively, the Pharmacogenomics Program and the Subscription Program are
offered as the Pharmacogenomics Collaboration.

1.01  GW and CURAGEN wish to initiate the performance of such Pharmacogenomics
Collaboration in order to enable and expedite the discovery of information and
the development of novel and improved pharmaceutical and diagnostic products.


                                      -1-
<PAGE>
 
1.02  GW wishes to obtain certain commercial rights to inventions made in the
performance of the Pharmacogenomics Collaboration pursuant to this Agreement,
including background inventions needed to commercially benefit from such
licenses.

1.03  Therefore, this Agreement witnesses that in consideration of the mutual
covenants, terms and conditions set forth in this Agreement and other good and
valuable consideration, the receipt and sufficiency of which is acknowledged,
that the Parties agree as follows.

                                   ARTICLE II
                                  DEFINITIONS

2.00  Terms used in this Agreement (other than the names of parties and article
headings) that are set forth with an initial capital letter have the meanings
established for such terms in the succeeding paragraphs of this Article II, or
as otherwise specifically defined hereinafter.

2.01  "Affiliate" shall mean any person, corporation, firm, limited liability
company, partnership or other entity which directly or indirectly Controls or is
Controlled by or is under common Control with a Party to this Agreement.
"Control" or "Controlled" means ownership, directly or through one or more
Affiliates, of fifty percent (50%) or more of the shares of stock entitled to
vote for the election of directors, in the case of a corporation, or fifty
percent (50%) or more of the equity interests in the case of any other type of
legal entity, status as a general partner in any partnership, or any other
arrangement whereby a Party controls or has the right to control the Board of
Directors or equivalent governing body of a corporation or other entity, or the
ability to cause the direction of the management or policies of a corporation or
other entity.

2.02  "Confidential Information" shall be interpreted in accordance with the
provisions of Article V, below.

2.03  "GW Product(s)" shall mean

                                       2
<PAGE>
 
     (a)  "Human Therapeutic(s)", which shall include all therapeutic
          modalities, including but not limited to small molecules, vaccines,
          aptamers, antisense, oligonucleotides, gene therapies and monoclonal
          antibodies that are discovered, developed and/or optimized using:

          (i)  [XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
               XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
               XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
               XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
               XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
               XXXXXXXXXXXXXXX.]

          Notwithstanding any provision in this Section, Human Therapeutics
shall not include Protein Therapeutic Products.

     (b)  "GW Diagnostic Product(s)", which shall mean products that are used or
          sold for diagnostic purposes, including patient selection, disease
          and/or predisposition to disease identification, and treatment
          guidance and/or monitoring,
          [XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXX].

2.04   "Proprietary Material" shall mean samples provided by GW to CURAGEN for
the purposes of performing the Pharmacogenomics Program and shall also be deemed
to include the [XXXXXXX] and other substances actually contained in such
samples.

2.05   "CURAGEN Background Inventions" shall mean all patent rights and know-how
of CURAGEN which would be infringed by GW's development, manufacture, use, sale
or importation of a GW Product.  Specifically excluded from CURAGEN Background
Inventions

                                       3
<PAGE>
 
are patent rights and know-how which cover the making, using or selling of a
product for which CURAGEN has pre-clinical data prior to GW's request to license
such patent rights and know-how.

2.06  "CURAGEN Product(s)" shall mean all products or uses not identified as GW
Products, including but not limited to:

               [XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
               XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
               XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
               XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX]

2.07  "CURAGEN Proprietary Material" shall mean all substances made by CURAGEN
in the performance of the Pharmacogenomics Program other than mRNA pools
extracted from GW Proprietary Material.

2.08  "Data Exclusivity Period" shall, with respect to any particular Project
Data Set, mean one of three (3) defined periods as follows:

     (a)  "Primary Data Exclusivity Period" shall mean a [XXXX] period of time
          commencing on the first day of the calendar quarter following the
          calendar quarter in which the particular Project Data Set is completed
          pursuant to 3.01(c), during which time, GW shall have exclusive access
          to such Project Data Set;

     (b)  "Extended Data Exclusivity Period" shall mean a [XXXXXXX] extension of
          the Primary Data Exclusivity Period, during which time, GW shall have
          exclusive access to such Project Data Set; and

     (c)  "[XXXXXX] Data Exclusivity Period" shall mean the extension of an
          Extended Data Exclusivity Period [XXXXXX], during which time, GW shall
          have exclusive access to such Project Data Set.

                                       4
<PAGE>
 
2.09  "FTE" is an acronym that stands for Full Time Equivalent, which shall mean
the equivalent of a full year of effort on a full time basis of a researcher
possessing skills and experience necessary to carry out applicable tasks under
the Pharmacogenomics Program.

2.10  "Material or Materiality" shall mean a use or usage that is so essential
to the conduct of an experiment that the experiment would not have been done
without such use.

2.11  "Net Sales" shall mean
[XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.]

2.12  "Party or Parties" shall respectively refer to GW and CURAGEN.

2.13  "Patent Rights" means the rights and interests in and to issued patents
and pending patent applications without limitation to any country, including,
but not limited to, all provisional applications, substitutions, continuations,
continuations-in-part, divisions, and renewals, all letters patent granted
thereon, and all reissues, reexaminations and extensions thereof, whether owned
solely or jointly by a Party or licensed in by a Party, with the right to
sublicense, now or in the future, wherein at least one claim of such patent
right is to a Pharmacogenomics Project Invention.

2.14  "Project Data" shall mean all data and any other information obtained or
generated by CURAGEN in the performance of a Pharmacogenomics Project in the
Pharmacogenomics Program.

2.15  "Project Data Set" shall mean all Project Data resulting from a discrete
Pharmacogenomics Project.

                                       5
<PAGE>
 
2.16  "Joint Planning Committee" or "JPC" shall have the meaning set forth in
Article III.

2.17  "Pharmacogenomics Plan" shall mean the written description of the research
to be performed by CURAGEN and GW under this Agreement, as presented in the form
shown in GeneScape(R).

2.18  "Pharmacogenomics Project" shall mean (i) a particular project to process
and analyze a specified set of samples as anticipated in a Pharmacogenomics
Plan, or (ii) any other project mutually agreed to by the JPC.

2.19  "Pharmacogenomics Project Invention" shall mean any discovery, invention,
know-how or trade secret conceived or made by employees of CURAGEN or GW or
jointly by employees of both, (i) in the performance of a Pharmacogenomics
Project hereunder,  or in the course of evaluating or utilizing any Project Data
Sets; or (ii) as the result of access to Subscription Database Data, in each
case that is based on, incorporates or makes Material inventive use of the
corresponding Project Data Set or Subscription Database Data.

2.20  "Pharmacogenomics Program" shall mean the collection of Pharmacogenomics
Projects to be performed by CURAGEN under this Agreement as described in the
Pharmacogenomics Plan and amendments thereto.

2.21  "Pharmacogenomics Collaboration" shall mean, collectively, the
Pharmacogenomics Program and, if applicable, the Subscription Program.

2.22  "Pharmacogenomics Collaboration Term" shall have the meaning set forth in
Article III.

2.23  "Subscription Program" shall mean the access to CURAGEN's proprietary
databases under this Agreement.

2.24  "Subscription DataBase" shall mean CURAGEN's Rodent SeqCalling(TM)
database.

2.25  "Subscription DataBase Data" shall mean all data in  the Subscription
DataBase.

                                       6
<PAGE>
 
2.26  "License Term" shall have the meaning set forth in Article VIII.

2.27  "Territory" shall mean all countries of the world.

2.28  "Valid Claim(s)" shall mean an unexpired claim of (i) any issued patent
within Patent Rights which has not been finally declared invalid or
unenforceable by a patent office or by a court or other body of competent
jurisdiction in any unappealed or unappealable decision and which has not been
lost through an interference or opposition proceeding or (ii) any pending patent
application within Patent Rights which has not been finally rejected by a patent
office of competent jurisdiction in any unappealed or unappealable decision and
which has not been pending for more than seven (7) years.



                                  ARTICLE III
                                RESEARCH PROGRAM

3.00  Basic Provisions of the Pharmacogenomics Collaboration.
      ------------------------------------------------------ 
     (a)  The objective of the Pharmacogenomics Program will be for CURAGEN to
          generate and deliver to GW Project Data Sets by performing
          Pharmacogenomics Projects.  CURAGEN shall use commercially reasonable
          efforts to perform such tasks as are set forth in the Pharmacogenomics
          Plan.  CURAGEN shall devote an average of at least [XXXX] FTEs per
          year to the Pharmacogenomics Program over its duration (the "Staffing
          Level") unless GW and CURAGEN have agreed on a change in the Staffing
          Level as provided in (b) below;

     (b)  GW may request an increase in the Staffing Level of up to a of total
          [XXXXX] additional FTEs during the first three (3) years of this
          Agreement [XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX] to be devoted to the
          Pharmacogenomics Program, subject to the agreement of CURAGEN.
          CURAGEN will use commercially reasonable efforts to increase the
          staffing level to be effective at the semi-annual anniversary of the
          Effective Date following such

                                       7
<PAGE>
 
          a request. Once the Staffing Level is increased, it may not be
          decreased during the following [XXXXXX] period without the consent of
          CURAGEN; and

     (c)  The objective of the Subscription Program will be for CURAGEN to use
          commercially reasonable efforts to provide GW with access to the
          Subscription Database.


3.01  Collaborative Efforts and Reports.
      --------------------------------- 
     (a)  The Parties agree that the successful execution of the
          Pharmacogenomics Program will require the collaborative use of both
          Parties' areas of expertise.  The Parties shall keep the JPC fully
          informed about the status of the portions of the Pharmacogenomics
          Collaboration they respectively perform.  In particular, without
          limitation, each Party shall furnish to the JPC quarterly written
          reports within thirty (30) days after the end of each quarterly
          period, describing the progress of its activities in reasonable
          detail, including (I) a summary of the progress of any ongoing
          Pharmacogenomics Projects, (II) a summary of uses of Project Data and
          Subscription DataBase Data, including but not limited to
          [XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX], and (III) a
          description of Project Data Sets from completed Pharmacogenomics
          Projects.  At any time, upon the reasonable request of GW, CURAGEN
          will provide an update of the status of Pharmacogenomics Projects to
          GW;

     (b)  Scientists at CURAGEN and GW shall cooperate in the performance of the
          Pharmacogenomics Program and, subject to any confidentiality
          obligations to third parties, shall exchange information and materials
          (including GW Proprietary Material) as necessary to carry out the
          Pharmacogenomics Program.  Each Party will attempt to accommodate any
          reasonable request of the other Party to send or receive personnel for
          purposes of collaborating or exchanging information under the
          Pharmacogenomics Program.  Such visits and/or access will have defined

                                       8
<PAGE>
 
          purposes and be scheduled in advance.  The requesting Party will bear
          the reasonable travel and lodging costs of any such personnel;

     (c)  CURAGEN will give written notice to GW and the JPC upon Completion of
          the Project Data Set from each Pharmacogenomics Project.  "Completion"
          of a Project Data Set shall occur upon [XXXXXXXXXXXX XXXXXX
          XXXXXXXXXXXXXXXXX]; and

     (d)  CURAGEN shall set up and maintain, throughout the Pharmacogenomics
          Collaboration Term, a secure partition of its GeneScape(R) database
          and software for use by GW exclusively for the purposes of performing
          the Pharmacogenomics Collaboration, and shall provide online
          electronic mail and telephone help during normal business hours in the
          use thereof to GW.  CURAGEN and GW shall jointly set up and maintain a
          secure connection to said partition of the GeneScape(R) database and
          software in order to give GW on-line access thereto.  GW shall have no
          rights to use the GeneScape(R) and software except as expressly set
          forth herein. In the event a dedicated line or lines is or are needed
          to provide access, GW shall be responsible for all costs associated
          therewith.

3.02  Training. -
      --------   
[XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.]

3.03  Pharmacogenomics Plans. - The Pharmacogenomics Plan for the first six (6)
      ----------------------                                                   
months of the Pharmacogenomics Program shall be agreed upon by the Parties
within thirty (30) days of the Effective Date and shall include the initial
Pharmacogenomics Projects and plans to implement access to the GeneScape(R)
database and software for GW.  Every [XXXXX] during the Pharmacogenomics
Collaboration Term [XXXXXXXXXXXXXXXX], the Pharmacogenomics

                                       9
<PAGE>
 
Plan shall be updated by the Parties to cover the next three (3) months and
shall be approved by the JPC no later than thirty (30) days before the end of
each semi-annual period. The Pharmacogenomics Plan shall set forth specific
Pharmacogenomics Projects for the period covered by the Pharmacogenomics Plan.
The JPC will consider adjustments in the Pharmacogenomics Plan at any time upon
the request of GW or CURAGEN.
 
3.04  Exclusivity.-  To the extent consistent with the rights and obligations of
      -----------                                                               
CURAGEN that are expressly set forth in this Agreement, nothing contained in
this Agreement shall in any other way restrict CURAGEN's right to perform
research or collaborate with third parties and to grant to third parties the
right to exploit the results of any such research or collaborations without
restrictions.
 
3.05  Joint Planning Committee. - The JPC will be responsible for the planning
      ------------------------                                                
and monitoring of the Pharmacogenomics Collaboration.  In particular, the
activities of the JPC shall include:

     (a)  Approving Pharmacogenomic Projects and their associated
          Pharmacogenomics Plans and establishment of prioritization criteria
          for specific Pharmacogenomics Projects, including explicit
          determination of experimental initiation and Completion;

     (b)  Supervision of workflow, including experimental sample transfer,
          sample analysis and data quality control, database posting, data
          analysis and summarization, software installation (access), training
          and maintenance;

     (c)  Monitoring of sample throughput, specific project and overall
          Pharmacogenomics Collaboration progress, including resolving issues
          and determining future Pharmacogenomic Plans and timelines;

     (d)  Ensuring compliance with the terms of the Agreement;

     (e)  Ensuring timely disclosure of Pharmacogenomics Project  Inventions and
          the development and implementation of patenting strategies; and

                                       10
<PAGE>
 
     (f)  Assigning tasks and responsibilities taking into account each Party's
          respective specific capabilities and expertise in order in particular
          to avoid duplication and enhance efficiency and synergies.

3.06  JPC Membership. - CURAGEN and GW each shall appoint, in their sole
      --------------                                                    
discretion, three members to the JPC, which shall include a Co-Chair to be
designated by GW and a Co-Chair to be designated by CURAGEN.  Substitutes or
alternates for the Co-Chairs or other JPC members may be appointed at any time
by notice in writing to the other Party.  The Parties may mutually agree to
change the size of the JPC as long as there shall be an equal number of
representatives of each Party on the JPC.  The initial Co-Chairs and other JPC
members shall be designated by the Parties within twenty (20) days of the
Effective Date.  CURAGEN shall appoint a Project Coordinator, who shall be
reasonably satisfactory to GW, to serve as the principal liaison with GW for the
Pharmacogenomics Program.  Such Project Coordinator will be one of CURAGEN's
members of the JPC.
 
3.07  JPC Meetings. - The JPC shall meet at least quarterly, with such meetings
      ------------                                                             
to be held, alternately, in New Haven, Connecticut, and GW's RTP facilities
unless the Parties agree otherwise.  Any additional meetings shall be held at
places and on dates selected by the Co-Chairs of the JPC.  In addition, the JPC
may act without a formal meeting by a written memorandum signed by the Co-Chairs
of the JPC.  Whenever any action by the JPC is called for hereunder during a
time period in which the JPC is not scheduled to meet, the Co-Chairs of the JPC
shall cause the JPC to take the action in the requested time period by calling a
special meeting or by action without a meeting.  Subject to the obligations set
forth in Article V, representatives of each Party or of its Affiliates, in
addition to the members of the JPC, may attend JPC meetings at the invitation of
either Party with the prior approval of the other Party, which shall not be
unreasonably withheld.

3.08  Minutes of JPC Meetings. - The JPC shall keep accurate minutes of its
      -----------------------                                              
deliberations which record all proposed decisions and all actions recommended or
taken.  Drafts of the minutes shall be delivered to the Co-Chairs of the JPC
within twenty (20) days after the meeting. The

                                       11
<PAGE>
 
Party hosting the meeting shall be responsible for the preparation and
circulation of the draft minutes. Draft minutes shall be edited by the Co-Chairs
and shall be issued in final form only with their approval and agreement as
evidenced by their signatures on the minutes.

3.09  Quorum; Voting; Decisions. - At each JPC meeting, at least two (2)
      -------------------------                                         
member(s) appointed by each Party present in person or by telephone shall
constitute a quorum and decisions shall be made by majority vote.  Each JPC
member shall have one vote on all matters before the JPC, provided that the
member or members of each Party present at an JPC meeting shall have the
authority to cast the votes of any of such Party's members on the JPC who are
absent from the meeting.  Notwithstanding the foregoing, the objective of the
Parties to this Agreement is that decisions of the JPC shall be made by
consensus.  However, except as otherwise set forth herein, in the event that the
JPC is unable to resolve any matter before it as set forth above, such matter
shall be resolved in good faith by GW management.

3.10  Expenses. - CURAGEN and GW shall each bear all expenses of their
      --------                                                        
respective JPC members related to their participation on the JPC and attendance
at JPC meetings.
 
3.11  Pharmacogenomics Collaboration Term. - The Pharmacogenomics Collaboration
      -----------------------------------                                      
shall expire Five (5) years after the Effective Date unless earlier terminated
by either Party pursuant to the provisions in Article X.
[XXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXX] At expiration, CURAGEN shall deliver to GW all raw and
processed Project Data Sets in an appropriate format to be analyzed by GW
independent of GeneScape(R).


3.12  Primary Exclusivity Period for Project Data Sets. - During the Primary
      -------------------------------------------------                     
Data Exclusivity Period for a particular Project Data Set, GW shall have a
[XXXXXX], exclusive license and access to explore the utility and usefulness of
such Project Data Set in its internal R&D programs for the purpose of pursuing
the development of  GW  Products .  Under such

                                       12
<PAGE>
 
license, CURAGEN and GW: (a) shall not use such Project Data Set for any purpose
other than conducting the Pharmacogenomics Program hereunder and (b) shall keep
such Project Data Set and related Pharmacogenomics Project Inventions and Patent
Rights confidential and will not disclose or transfer the same to third parties
by publication or otherwise, without the prior written consent of the other
Party except as necessary to pursue patent protection. Notwithstanding the above
CURAGEN shall have the right to explore the utility and usefulness of such
Project Data Sets in its internal R&D programs for the purpose of pursuing the
development of CURAGEN Products. CURAGEN shall use efforts no less than what it
uses in the ordinary conduct of its business to limit disclosure of data or
information resulting from CURAGEN's exploration of the Project Data Sets for
its internal R&D programs to the extent that such disclosures might compromise
GW's intellectual property rights.

3.13  Extended Data Exclusivity Period for Project Data Sets. - GW may elect to
      ---------------------------------------------------------                
extend the Primary Data Exclusivity Period for any Project Data Set for an
additional [XXXXXXXXXXX] period ("Extended Data Exclusivity Period") after
expiration of the initial Primary Data Exclusivity Period by giving written
notice to CURAGEN and making a payment of [XXXXXXXXXXXXXXXX] per Project Data
Set to CURAGEN prior to expiration of the then current Primary Data Exclusivity
Period for such Project Data Set or at such time thereafter as mutually agreed
to by the Parties.  The obligations under such Extended Data Exclusivity Period
shall be the same as for the Primary Data Exclusivity Period.

3.14   [XXXXX] Exclusivity Period for Project Data Sets. - GW may elect to
        ------------------------------------------------                  
extend the Extended Data Exclusivity Period for any Project Data Set [XXXXXXX]
("[XXXX] Data Exclusivity Period") after expiration of the Extended Data
Exclusivity Period by giving written notice to CURAGEN and making a payment of
[XXXXXXXXXXXXXXXXXXX] per Project Data Set to CURAGEN prior to expiration of the
then current Extended Data Exclusivity Period for such Project Data Set or at
such time thereafter as mutually agreed to by the Parties.  The obligations
under such [XXXXXXXXX] Data Exclusivity Period shall be the same as for the
Extended Data Exclusivity Period.

                                       13
<PAGE>
 
3.15  Expiration of any Data Exclusivity Period. - Upon the expiration of the
      --------------------------------------------                           
last to expire Data Exclusivity Period for any particular Project Data Set, GW's
access and license to such Project Data Set shall convert from exclusive to non-
exclusive, and CURAGEN shall have the right, at its sole option, to use such
Project Data Sets for any purpose including but not limited to making the data
available to third parties subject to Section 3.16 of this Agreement and any
commercial licenses granted to GW herein, and not inconsistent with any other
obligations expressly set forth in this Agreement.

3.16  Data Annotations. - Should CURAGEN elect to provide Project Data Sets to
      ----------------                                                        
third parties pursuant to 3.15 above, CURAGEN shall not be permitted to identify
the Project Data Set as being from GW or annotate the Project Data Set with the
date of sample submission by GW to CURAGEN.  Notwithstanding the above, CURAGEN
shall be free to annotate such Project Data Sets with one or more of the
following descriptors provided by GW:

     [XXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXX]

3.17  Subscription Database Data Access. - During the first three years of the
      ---------------------------------                                       
Pharmacogenomics Collaboration Term, GW shall have [XXXX], non-exclusive access
and license to explore the utility and usefulness of the Subscription Database
Data.  Under such license, GW: (a) [XXXXXXXXXXX]; and (b) shall keep such
Subscription Database Data and related Pharmacogenomics Project Inventions and
Patent Rights confidential and will not disclose or transfer the same to third
parties by publication or otherwise, without the prior written consent of
CURAGEN, except as necessary to pursue patent protection.

3.18  Software License. - Access to the GeneScape(R) database and software
      ----------------                                                    
hereunder, or any components thereof, is hereby granted according to the
following terms:

     (a)  The GeneScape(R) database, software and display screens are protected
          by copyright, patent, trade secret and other intellectual property
          laws.  CURAGEN hereby grants to GW and its employees a non-exclusive
          non-transferrable license

                                       14
<PAGE>
 
          to access the GeneScape(R) database and software solely for the
          purposes of the Pharmacogenomics Collaboration and during the
          Pharmacogenomics Collaboration Term. GW shall not copy the
          GeneScape(R) database, software or display screens except as occurs
          during the normal course of CURAGEN-provided access. GW shall not
          reverse engineer, decompile, or disassemble the GeneScape(R) software
          or display screens. The GeneScape(R) database and software embody
          trade secrets of CURAGEN that are considered Confidential Information
          of CURAGEN and subject to the confidentiality provisions hereof; and

     (b)  If at any time during the term of this Agreement GW reasonably
          determines that an escrow of the CURAGEN software is necessary in the
          event of a CURAGEN bankruptcy proceeding, GW shall give written notice
          to CURAGEN requesting this escrow and CURAGEN shall, at CURAGEN's
          expense,  put into a secure escrow (to be agreed by the Parties at the
          relevant time) copies of any relevant source code and documentation.


                                   ARTICLE IV
                                FINANCIAL TERMS
                                        
4.00  Pharmacogenomics Collaboration Funding. - In consideration of CURAGEN's
      --------------------------------------                                 
performance under the terms of this Agreement during the first, second and third
years of the Pharmacogenomics Collaboration, GW will pay CURAGEN a research
payment of [XXXXXXXXXXXXXXX] per year per FTE in the Staffing Level.  The first
such payment for the first year shall equal Two Million Seven Hundred Fifty
Thousand Dollars ($2,750,000) and shall be made within thirty (30) days of the
Effective Date of this Agreement.  Thereafter, GW shall pay CURAGEN semi-
annually, in advance, for each FTE in the Staffing Level until expiration or
termination of the Pharmacogenomics Collaboration Term.  For the fourth year,
the FTE cost shall be adjusted based on [XXXXXXXXXXXXXXXXXXXXXXXXXX].  For the

                                       15
<PAGE>
 
fifth year, the FTE cost shall be further adjusted based on [XXXXXXXXXXXXX].  GW
will fund its own activities under the Pharmacogenomics Collaboration.

4.01  Subscription Program Fees. -It is understood and agreed by the Parties
      --------------------------                                            
that all  Subscription Program Fees will be [XXXXXXXXXXX] for the first three
years of the Pharmacogenomics Collaboration Term.  Subscription Program Fees
will be negotiated in good faith in the event GW elects to retain access to the
Subscription Database  in years four and five of the Pharmacogenomics
Collaboration Term.  [XXXXXXXXXXXXXXXXX] CURAGEN shall be free to offer access
to said Subscription Databases to third parties at any time on any terms not
inconsistent with its obligations to GW under the terms of this Agreement.

                                   ARTICLE V
                     TREATMENT OF CONFIDENTIAL INFORMATION

5.00  Confidential Information. - During the course of the Pharmacogenomics
      -------------------------                                            
Collaboration each Party may disclose to the other proprietary technical and
business information, (collectively, "Confidential Information"). Except as
expressly permitted hereunder, the receiving Party shall keep confidential all
such Confidential Information of the other Party and will not disclose such
Confidential Information of the other Party to third parties by publication or
otherwise.  Each Party shall take reasonable steps to ensure that all of its
employees and consultants shall protect and use Confidential Information of the
other Party only in accordance with the terms hereof.  Each Party further agrees
not to use Confidential Information of the other Party for any purpose other
than  as expressly permitted hereunder.  Such obligations of confidentiality and
non-use shall remain in effect for a period of [XXXXXX] years after the receipt
of any such Confidential Information or, in the case of Confidential Information
related to a license granted pursuant to Article XIII or IX, upon the expiration
of this Agreement, whichever event is later.  Notwithstanding the foregoing, it
is understood and agreed that the receiving Party's obligations of
confidentiality and nonuse herein shall not apply to any information which:

                                       16
<PAGE>
 
     (a)  is, at the time of disclosure by the disclosing Party hereunder, or
          thereafter becomes, a part of the public domain or publicly known or
          available through no fault or negligence of the receiving Party or any
          of its Affiliates; or

     (b)  was otherwise in the receiving Party's lawful possession prior to
          disclosure by the disclosing Party, as demonstrated by the receiving
          Party's written records; or

     (c)  is lawfully disclosed to the receiving Party or any of its Affiliates
          on a non-confidential basis by a third party who is not in violation
          of an obligation of confidentiality to the disclosing Party relative
          to such information; or

     (d)  was required by law to be disclosed; or

     (e)  was independently developed by the receiving Party or an Affiliate
          without the use of any of the disclosing Party's Confidential
          Information.

5.01  Publications. - It is expected that each Party may wish to publish the
      -------------                                                         
results of its research under this Agreement. Contributions by the other Party
shall be acknowledged in any publication by the publishing Party. In order to
safeguard intellectual property rights, the Party wishing to publish or
otherwise publicly disclose the results of its research hereunder shall first
submit a draft of the proposed manuscripts to the JPC for review, comment and
consideration of appropriate patent application preparation activity at least
[XXXXXXX] days prior to any submission for publication or other public
disclosure.  The JPC will advise the Party seeking publication as to whether a
patent application will be prepared and filed or whether trade secret protection
should be pursued.  The JPC will, in cooperation with both Parties, determine
the appropriate timing and content of any such publications. The JPC can, in its
discretion, request that the publishing Party delay publication for up to an
additional [XXXXX] days for the purpose of  preparation of  an appropriate
patent application(s).

5.02  Press Release and Regulatory Filings. - The Parties shall mutually agree
      ------------------------------------                                    
on a press release announcing the execution of this Agreement and on any
confidential treatment request to be filed with the Securities and Exchange
Commission with respect to this Agreement.  Once any written statement is
approved for disclosure by both Parties, either Party may make subsequent

                                       17
<PAGE>
 
public disclosures of the contents of such statement without the further
approval of the other Party. Nothing in this Agreement shall be construed to
prohibit either party from disclosing factual information or data relating to
this Agreement which may be required by law to be disclosed. The Parties shall
make a commercially reasonable effort to make a press release within five (5)
days of the Effective Date of this Agreement.


                                   ARTICLE VI
                          INTELLECTUAL PROPERTY RIGHTS

6.00  GW Proprietary Material. - GW Proprietary Material shall remain the
      -----------------------                                            
property of GW and CURAGEN shall use such GW Proprietary Material only for the
purpose of conducting the Pharmacogenomics Program hereunder and shall not
transfer GW Proprietary Material to any other person or entity.

6.01    Data. - All data generated by CURAGEN in the course of the
        -----                                                     
Pharmacogenomics Collaboration and all data currently residing in any of the
Subscription Databases subscribed to herein, as well as data subsequently
generated and added thereto, shall be owned by CURAGEN.  The Parties' rights to
use Project Data Sets and the Subscription Databases shall be subject to the
provisions of Articles VIII and IX of this Agreement.

6.02  Inventions, Notification.  Each Party shall provide the other with clearly
      -------------------------                                                 
defined written descriptions of what each Party considers to be subject matter
that is potentially capable of intellectual property protection. Each Party
shall thereafter notify the other Party within sixty (60) days of any
Pharmacogenomics Project Inventions.

6.03  Inventions, Ownership.  Inventorship of any invention shall be determined
      ----------------------                                                   
in accordance with the patent laws of the United States. Ownership of any
inventions shall vest with the employers of the inventors.  Inventions that are
solely owned by GW under this provision shall be subject to the licenses granted
by GW to CURAGEN in this Agreement. Inventions that

                                       18
<PAGE>
 
are solely owned by CURAGEN under this provision shall be subject to the
licenses granted by CURAGEN to GW in this Agreement. Inventions that are jointly
owned by GW and CURAGEN under this provision shall be subject to each co-owner's
license grant obligations to each other in this Agreement.

6.04  Inventions, Inventor Assignments. - GW and CURAGEN warrant to each other
      --------------------------------                                        
that their employees, non-employee contractors, and non-employee research
collaborators are under obligation to assign their rights to GW or CURAGEN, as
the case may be, with respect to Pharmacogenomics Project Inventions.  GW and
CURAGEN agree to use commercially reasonable efforts to obtain, maintain and
secure such assignments.  The Parties' rights and interests, including
commercialization rights, shall be subject to the provisions of Articles XIII
and IX.

6.05  Inventions, Property Rights to Biological Materials.  GW will obtain the
      ----------------------------------------------------                    
necessary permission of any third party donor of  materials before delivering
such materials to CURAGEN for analysis and experimentation.
[XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
X.]

6.06  Use of Third Party Materials.  [XXXXXXXXXXXXXXXXXXXXXXXXXXXXX
      -----------------------------                                
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXX]

6.07  Conflict with Preexisting CURAGEN Projects.  [XXXXXXXXXXXXXXXXXX
      --------------------------------------------                    
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXX]

                                       19
<PAGE>
 
                                  ARTICLE VII

               PROVISIONS CONCERNING THE FILING, PROSECUTION AND
                          MAINTENANCE OF PATENT RIGHTS

7.00  GW Inventions.  GW shall have sole responsibility for the preparation,
      --------------                                                        
filing and maintenance of  patent applications on Pharmacogenomic Project
Inventions solely owned by GW. GW shall have discretion as to maintaining its
applications. If GW elects not to pursue a given application for such
Pharmacogenomic Project Inventions, GW shall give notice to CURAGEN, who shall
have the option of taking over responsibility for said application.

7.01  CURAGEN Inventions. - CURAGEN shall have sole responsibility for the
      -------------------                                                 
preparation, filing and maintenance of patent applications on Pharmacogenomic
Project Inventions solely owned by CURAGEN. CURAGEN shall have discretion as to
maintaining its applications. If CURAGEN elects not to pursue a given
application for such Pharmacogenomic Project Inventions, CURAGEN shall give
notice to GW, who shall have the option of taking over responsibility for said
application.

7.02  Jointly Owned Inventions.  GW shall have sole responsibility for the
      -------------------------                                           
preparation, filing and maintenance of patent applications on Pharmacogenomic
Project Inventions that are jointly owned by CURAGEN and GW. Such jointly owned
patent applications shall not be abandoned by GW without the express consent of
CURAGEN, who shall have the right to assume responsibility for any such
application that GW wishes to abandon.

                                  ARTICLE VIII
                                 LICENSE TO GW
                                        
8.00  GW Products -- During The Data Exclusivity Period. - For the duration of
      --------------------------------------------------                      
the Data Exclusivity Period for a particular Project Data Set, CURAGEN hereby
grants to GW an exclusive license throughout the Territory, to the extent
CURAGEN has the right to grant such license, under CURAGEN's rights in and to
Pharmacogenomics Project Inventions and Patent

                                       20
<PAGE>
 
Rights related to such Project Data Sets, [XXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXX].

8.01  GW Products -- After The Data Exclusivity Period. - After expiration of
      -------------------------------------------------                      
the last to expire Data Exclusivity Period for a particular Project Data Set,
CURAGEN's license to GW as set forth in Section 8.00 of this Agreement shall
convert to a non-exclusive license throughout the Territory.

8.02  Non-GW Diagnostic Products. -  For the duration of the Data Exclusivity
      ---------------------------                                            
Period for a particular Project Data Set, CURAGEN hereby grants to GW
[XXXXXXXXXXXXXX XXXXXX XXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXX]

8.03  Unblocking Licenses. - Upon grant of a license pursuant to Sections 8.00,
      --------------------                                                     
8.01 or 8.02 above, CURAGEN shall grant to GW a non-exclusive, fully paid,
irrevocable license throughout the Territory, to the extent CURAGEN has the
right to grant such license, under CURAGEN's rights in and to CURAGEN Background
Inventions, solely to the extent necessary to allow GW to practice the licenses
granted herein and for no other purpose.  The term of this Unblocking License
shall be co-extensive with the term of the corresponding licenses granted above.

8.04  Sublicenses. - GW shall have the right to grant sublicenses under any
      -----------                                                          
portion of the licenses granted by CURAGEN to GW Products in Section 8.00 above,
provided, however, that GW remains obligated to ensure any future sub-licensee's
performance of GW's royalty and milestone obligations to CURAGEN as set forth
herein.  For [XXXXXXXXXX] licensed pursuant to Section 8.00 above, if GW elects
to license or sell or otherwise provide a third party access to such
[XXXXXXXXXXXXXXX] for purposes other than the development of GW Products for GW
as provided for in Section 8.00 above, GW and CURAGEN shall enter into good
faith negotiations to develop and execute a business strategy to exploit such
[XXXXXXXXXXXXXX].

                                       21
<PAGE>
 
8.05  Milestone Payments For Human Therapeutics related to the Use of XXXX. -
      --------------------------------------------------------------------   
[XXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX], GW shall pay CURAGEN a one-time payment of
[XXXXXXXXXXXXX] per [XXXXX] upon the entry of the [XXXXXXXXXXX XXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXX  XXXXXXX XXXXXXX XXXXXXXXXXXXXXXX].  In any event,
GW shall not be liable for such payments in the event the discovered Target
and/or the discovered association of the Target with a disease is in the public
domain at Completion.

8.06  Milestone  Payments for Human Therapeutics related to the Use of
      ----------------------------------------------------------------
[XXXXXXX]. - GW shall pay CURAGEN [XXXXXXXXXXX], upon the first entry of a Human
- ----------                                                                      
Therapeutic product into [XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXX]

8.07  Milestone Payments For GW Diagnostics Products.  For GW Diagnostic
      -----------------------------------------------                   
Products, [XXXXXXXXXXXXXXXXXXXXXXXXXX].

8.08  Royalty Payments For Human Therapeutics related to the Use of [XXXX]. -
      --------------------------------------------------------------------   
For GW Products for which a milestone payment was due and payable under Section
8.05 above, the royalty shall be [XXXX] percent ([XXXX]%).

8.09  Royalty Payments For Human Therapeutics related to the Use of [XXXXXXX]. -
      ------------------------------------------------------------------------  
For GW Products for which a milestone payment was due and payable under Section
8.06 above, GW shall pay CURAGEN a royalty of [XXXX] percent ([XXXX]%) of Net
Sales in the Territory.

8.10  Royalty Payments For Contributions In Diagnostics. - For GW Diagnostic
      --------------------------------------------------                    
Products, GW shall pay CURAGEN a royalty of [XXXX] percent ([XXXX]%) of net
sales in the Territory, provided that such royalty will be corrected for
[XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXX.]

                                       22
<PAGE>
 
8.11  Remittance of Royalty Payments. - Royalty payments shall be made to
      -------------------------------                                    
CURAGEN in United States Dollars quarterly within forty-five (45) days following
the end of each calendar quarter for which royalties are due.  Each royalty
payment shall be accompanied by a report summarizing the total Net Sales for
each GW Product during the relevant three-month period and the calculation of
royalties, if any, due thereon.

8.12  Foreign Currency Conversions. - All royalties shall be payable in full in
      ----------------------------                                             
the United States in United States Dollars, regardless of the countries in which
sales are made.  For the purpose of computing Net Sales for GW Products sold in
a currency other than United States Dollars, such currency shall be converted
into United States Dollars at the exchange rate for buying U.S. Dollars set
forth in The Wall Street Journal for the last business day of the calendar
quarter.

8.13  License Term Subject To Royalty Payments.- The term of any license granted
      ----------------------------------------                                  
hereunder, which is subject to the obligation to pay royalties to CURAGEN by GW,
its Affiliates or sublicensees, with respect to each GW Product, shall be on a
country by country basis until
[XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX].  In the event that a GW
product is being sold in a particular country by GW, its Affiliates or
sublicensees, pursuant only to a license to a Pharmacogenomics Project
Invention, the term shall be for [XXXXXX] years from the first commercial sale
of such Licensed Product in that country.  Following such period, GW shall have
a fully paid-up, irrevocable license in such country under the relevant Patent
Rights, Pharmacogenomics Project Inventions and/or CURAGEN Background Inventions
in such country.

8.14  Overdue Royalties. - Royalties not paid within the time period set forth
      -----------------                                                       
in this Article VIII shall bear interest at a rate of [XXXX] percent ([XXXX]%)
per month from the due date until paid in full.

8.15  Records Retention.  Audits. - GW, its Affiliates and sublicensees shall
      --------------------------                                             
keep, for [XXXX] from the date of each payment of royalties, complete and
accurate records of sales by GW and its Affiliates and sublicensees of each GW
Product in sufficient detail to allow the accruing royalties to be determined
accurately.  CURAGEN shall have the right for a period of

                                       23
<PAGE>
 
[XXXXXXX] after receiving any report or statement with respect to royalties due
and payable to appoint an independent certified public accountant reasonably
acceptable to GW to inspect the relevant records of GW and its Affiliates and
sublicensees to verify such report or statement. GW and its Affiliates and
sublicensees shall each make its records available for inspection by such
independent certified public accountant during regular business hours at such
place or places where such records are customarily kept, upon reasonable notice
from CURAGEN, solely to verify the accuracy of the reports and payments. Such
inspection right shall not be exercised more than once in any calendar year nor
more than once with respect to sales of any GW Product in any given payment
period. CURAGEN agrees to hold in strict confidence all information concerning
royalty payments and reports, and all information learned in the course of any
audit or inspection, except to the extent necessary for CURAGEN to reveal such
information in order to enforce its rights under this Agreement or if disclosure
is required by law, regulation or judicial order. CURAGEN shall pay for such
inspections.

8.16  Tax Withholding. - CURAGEN agrees that any tax burden levied by any
      ---------------                                                    
countries outside of the United States covered by this Agreement on royalty
income to CURAGEN of royalties from GW under this Agreement shall be borne by
CURAGEN.  In the event that such tax is required to be withheld by GW, its
Affiliates, licensees or sublicensees, GW shall deliver to CURAGEN a statement
including the amount of tax withheld and justification therefor, and such other
information as may be necessary for United States foreign tax credit purposes.

8.17  Notice of Infringement. - If, during the term of License Agreement, either
      ----------------------                                                    
Party learns of any infringement or threatened infringement by a third party of
the patents within Patent Rights, such Party shall promptly notify the other
Party and shall provide such other Party with available evidence of such
infringement.

8.18  Infringement Litigation. - GW shall have the first right (but not the
      -----------------------                                              
obligation), at its own expense, to bring suit (or other appropriate legal
action) against any actual or suspected infringement of the Patent Rights
licensed hereunder provided that GW has an exclusive license to the infringed
claim(s) of any such Patent Right.  If GW does not take such action within one
hundred twenty (120) days after written notice from CURAGEN of the infringement,

                                       24
<PAGE>
 
CURAGEN shall have the right (but not the obligation), at its own expense, to
bring suit against such infringement.  Any amount recovered, whether by judgment
or settlement, shall first be applied to reimburse the costs and expenses
(including attorneys' fees) of the Party bringing suit, then to the costs and
expenses (including attorneys' fees), if any, of the other Party.  Any amounts
remaining shall be allocated to each party in accordance with each Party's
damages incurred on account of such infringement, calculated in accordance with
United States laws pertaining to patent damages.

8.19  Cooperation. - Each Party shall, at the expense of the other Party,
      -----------                                                        
execute all papers and perform such other acts as may be reasonably required to
maintain any infringement suit brought in accordance with Section 8.18 above
(including giving legal consent for bringing such suit, and agreeing to be named
as a plaintiff or otherwise joined in such suit), and at its option and expense,
may be represented in such suit by counsel of its choice.

8.20  Conditions Subsequent. - GW's obligations to remit milestone payments and
      ---------------------                                                    
royalties under this Agreement are contingent upon completion by GW of a
satisfactory review of the patents of CURAGEN for compliance with GW's
understanding that CURAGEN has sufficient ownership, authority, permission or
right to grant the licenses contemplated by this Agreement, and that GW's
practice of the patents of CURAGEN will not infringe the proprietary rights of
any third party. Such review will be completed by GW no later than [XXXXX]
following the Effective Date of this Agreement. To the extent GW finds any
deficiencies in CURAGEN's ownership, authority or permissions to grant the
licenses contemplated by this Agreement,  GW will promptly, within said
[XXXXXXX] period, notify CURAGEN of any and all steps GW believes need to be
taken to perfect CURAGEN's right to grant such licenses, and will promptly,
whether or not within said [XXXXXX] period,  indicate to CURAGEN when GW is
satisfied that any such steps have been completed.

                                       25
<PAGE>
 
                                   ARTICLE IX
                             GRANTBACKS to CURAGEN

                                        
9.00  Patent License Grant-back to CURAGEN. - GW hereby grants to CURAGEN, under
      -------------------------------------                                     
GW's rights in and to Pharmacogenomics Project Inventions and Patent Rights
related thereto, a [XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.]
 
9.01  Data Set Exclusivity Grant-back to CURAGEN. - Upon expiration of the last
      -------------------------------------------                              
to expire Data Exclusivity Period related to a particular  Project Data Set, GW
hereby grants back to CURAGEN under GW's rights in and to Pharmacogenomics
Project Inventions and Patent Rights related to such Project Data Set, a fully
paid up, non-exclusive license in the Territory to develop, make, have made,
use, have used, sell, have sold, offer for sale, import and have imported such
Pharmacogenomics Project Inventions and Patent Rights for any purpose.  Such
license shall include the right to grant sublicenses at CURAGEN's sole
discretion.

9.02  Unblocking Licenses Grant-back to CURAGEN. - Upon grant of a license
- ----  -----------------------------------------                           
pursuant to Sections 9.00 or 9.01 above, GW grants  to CURAGEN, a fully paid up,
non-exclusive license in the Territory to any background inventions solely to
the extent necessary to allow CURAGEN to practice the licenses granted to
CURAGEN herein and for no other purpose.  In the event GW has not previously
acquired transferable rights for such background inventions, GW shall use best
efforts to obtain such rights on CURAGEN's behalf.  For the purposes of this
Agreement, best efforts shall mean efforts that are no less than what GW would
make to acquire such rights for itself.  GW does not warrant or undertake that
it will be successful at obtaining such rights.

9.03  Research License Grant-back to CURAGEN. - GW grants back to CURAGEN  under
      ---------------------------------------                                   
GW's rights in Pharmacogenomics Project Inventions and Patent Rights related
thereto, a fully-paid non-exclusive license to make, have made, use or import
any such licensed Pharmacogenomics Project Inventions, Patent Rights and CURAGEN
Proprietary Materials for internal research purposes.  Nothing in this Section
9.03 shall limit any license otherwise granted to CURAGEN.

                                       26
<PAGE>
 
9.04  [XXXXXXXXXXXXXXXXXXXXXXX. - XXXXXXXXXXXXXXXXXXXX
       ------------------------                       
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

                                   
                                   ARTICLE X

                                  TERMINATION

10.0  Early Termination. - Either Party may terminate the Pharmacogenomics
      -----------------                                                   
Collaboration without cause at its sole discretion upon three (3) months prior
written notice to the other Party , however neither party shall be able to
terminate this Agreement prior to fifteen (15) months after the Effective Date
of the Agreement.

10.01  Effects of Early Termination Upon Rights. - Any termination of the
       -----------------------------------------                         
Pharmacogenomics Program under Section 10.00 shall be without prejudice to the
rights of either Party against the other, then accruing or otherwise accrued
under this Agreement. Upon any such termination, all Proprietary Materials
provided hereunder shall be destroyed or returned to the providing Party.
Notwithstanding any provision in this Section 10.01 to the contrary:

          (i)  Where termination is by GW not for cause - CURAGEN shall complete
               processing of GW samples submitted prior to notification.  Any
               Primary Data Exclusivity Period in effect at such termination
               shall automatically and immediately convert to non-exclusive,
               provided that GW may elect to extend the Data Exclusivity Period
               as per Section 3.13 and 3.14 within ten (10) days of such
               conversion.  All Extended Data Exclusivity Periods and Perpetual
               Data Exclusivity Periods shall not be effected by such
               termination.

                                       27
<PAGE>
 
          (ii) Where termination is by CURAGEN not for cause - CURAGEN shall
               complete processing of GW samples submitted prior to
               notification.  GW will be entitled to add at no additional cost
               to GW [XXXXX] of exclusivity to any Primary Data Exclusivity
               Period and any Extended Data Exclusivity Period in effect at such
               termination.  Any funds paid to CURAGEN under Section 4.00 that
               remain after CURAGEN completes processing of GW samples under
               this subsection shall be refunded to GW within sixty (60) days of
               completion of sample processing.

10.02  Post-Termination Access To GeneScape.  In the event the Pharmacogenomics
       -------------------------------------                                   
Collaboration is terminated under Section 10.00, GW shall be entitled to retain
access to GeneScape(R) for up to [XXXXXXXX] after the date of termination.  All
provisions governing the use of GeneScape(R) shall survive such termination.  At
the end of the [XXXXXXXXX] extension, CURAGEN shall deliver to GW all raw and
processed Project Data Sets in an appropriate format to be analyzed by GW
independent of GeneScape(R).

10.03  Termination with Cause. - This Agreement and licenses granted by one
       ----------------------                                              
Party to the other hereunder may be terminated upon any breach by the other
Party of any material obligation or condition, effective thirty (30) days after
giving written notice to the breaching Party of such termination in the case of
a payment breach and sixty (60) days after giving written notice to the
breaching Party of such termination in the case of any other breach, which
notice shall describe such breach in reasonable detail.  The foregoing
notwithstanding, if the default or breach is cured or shown to be non-existent
within the aforesaid thirty (30) or sixty (60) day period, the notice shall be
deemed automatically withdrawn and of no effect.

10.04.  Termination Following Bankruptcy. - If either Party files for protection
        ---------------------------------                                       
under bankruptcy laws, makes an assignment for the benefit of creditors,
appoints or suffers appointment of a receiver or trustee over its property,
files a petition under any bankruptcy or insolvency act or has any such petition
filed against it which is not discharged within sixty (60) days of the filing
thereof, then the other Party may terminate this Agreement by notice to such
Party.

                                       28
<PAGE>
 
10.05  Effect of Termination under Section 10.03. - Upon termination of this
       -----------------------------------------                            
Agreement under Section 10.03 by either Party, all relevant licenses granted by
the terminating Party to the breaching Party hereunder shall terminate
automatically.  In addition, upon any termination pursuant to Section 10.03, the
breaching Party shall be deemed without any further action to have granted to
the terminating Party an exclusive, worldwide, [XXXXX] license (including the
right to grant sublicenses), under the breaching Party's ownership interest in
any Pharmacogenomics Project Inventions and Patent Rights licensed hereunder for
any use in all fields.  At the request of the terminating Party, the breaching
Party shall execute and deliver such bills of sale, assignments and licenses and
other documents, if any, as may be necessary to fully vest in the terminating
Party all right, title and interest provided for in this Section.  In the event
the breaching Party is GW, then all Data Exclusivity Periods then in effect
shall automatically convert from exclusive to non-exclusive status, except as
provided for in Section 6.06. In the event that CURAGEN is the breaching Party,
then all Primary Data Exclusivity Periods and Extended Data Exclusivity Periods
shall automatically convert to [XXXXXX] Data Exclusivity Periods.

10.06  Payment Obligations. - GW shall remain liable for all obligations
       --------------------                                             
accruing prior to termination.

10.07  Remedies.  If either Party shall fail to perform or observe its material
       --------                                                                
obligations, or otherwise breaches any of its material obligations under this
Agreement, in addition to any right to terminate this Agreement, the non-
defaulting Party shall not be deemed to have waived any other relief or remedies
available under law or equity.

10.09  Surviving Provisions. - Notwithstanding any provision herein to the
       --------------------                                               
contrary, the rights and obligations set forth in Article V hereof, as well as
any rights and obligations otherwise accrued, shall survive the normal
expiration or early termination of this Agreement.

                                       29
<PAGE>
 
                                   ARTICLE XI
                                 MISCELLANEOUS

11.00  CURAGEN Representations and Covenants. - CURAGEN represents and warrants
       -------------------------------------                                   
that:  (a) the execution and delivery of this Agreement and the performance of
the transactions contemplated hereby have been duly authorized by all
appropriate CURAGEN corporate actions; (b) CURAGEN is under no obligation which
is inconsistent with this Agreement, except as specifically set forth herein;
(c) CURAGEN has the full right and legal capacity to grant the rights to GW
recited pursuant to Article VIII without violating the rights of any third
party; and that (d) CURAGEN's GeneScape(R) software is "Year 2000" compliant.
CURAGEN covenants that (a) CURAGEN will obtain from its employees and
consultants rights of assignment with respect to all Pharmacogenomics Project
Inventions; and (b) CURAGEN will not, without GW's prior written consent, enter
into any agreement with any third party that would prevent CURAGEN's performance
of CURAGEN's obligations to GW under this Agreement.  Nothing in this Agreement
shall be interpreted as obligating GW to perform any additional work beyond that
set forth in the Pharmacogenomics Plan.

11.01  GW Representations and Covenants. - GW represents and warrants that:  (a)
       --------------------------------                                         
the execution and delivery of this Agreement and the performance of the
transactions contemplated hereby have been duly authorized by all appropriate GW
corporate action; (b) GW is under no obligation which is inconsistent with this
Agreement; and (c) GW has the full right and legal capacity to grant the rights
to CURAGEN recited pursuant to Article IX without violating the rights of any
third party, except as provided for in Section 6.06. GW covenants that (a) GW
will obtain from its employees and consultants rights of assignment with respect
to all Pharmacogenomics Project Inventions; and (b) GW will not, without
CURAGEN's prior written consent, enter into any agreement with any third party
that is inconsistent with the terms of GW's obligations to CURAGEN under this
Agreement.

11.02  No Infringement  As of the Effective Date, CURAGEN represents that it has
       ---------------                                                          
neither been notified of infringement, nor sued for infringement by any third
party relating to CURAGEN proprietary technology that would be used in the
course of GW's participation in the Pharmacogenomics Collaboration.

                                       30
<PAGE>
 
11.03  No Warranties.
       ------------- 
     (a)  Nothing in this Agreement is or shall be construed as:

          (i)  a warranty or representation by CURAGEN as to the validity or
               scope of any application or patent within the Patent Rights;

          (ii) a warranty or representation that anything made, used, sold or
               otherwise disposed of under any license granted pursuant to this
               Agreement is or will be free from infringement of patents,
               copyrights, and other rights of third parties.

     (b)  Except as expressly set forth above in this Agreement,

             NEITHER PARTY MAKES ANY REPRESENTATIONS OR EXTENDS ANY WARRANTIES
             OF ANY KIND, EITHER EXPRESS OR IMPLIED.  THERE ARE NO EXPRESS OR
             IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS, OR FITNESS FOR A
             PARTICULAR PURPOSE, OR OF NON-INFRINGEMENT OF ANY PATENT,
             COPYRIGHT, TRADEMARK, OR OTHER RIGHTS, OR ANY OTHER EXPRESS OR
             IMPLIED WARRANTIES.

11.04  Liability. - NOTWITHSTANDING ANYTHING ELSE IN THIS AGREEMENT OR
       ---------                                                      
OTHERWISE, NEITHER PARTY WILL BE LIABLE WITH RESPECT TO ANY SUBJECT MATTER OF
THIS AGREEMENT UNDER ANY CONTRACT, NEGLIGENCE, STRICT LIABILITY OR OTHER LEGAL
OR EQUITABLE THEORY FOR (I) ANY INDIRECT, INCIDENTAL, CONSEQUENTIAL OR PUNITIVE
DAMAGES OR LOST PROFITS OR (II) COST OF PROCUREMENT OF SUBSTITUTE GOODS,
TECHNOLOGY OR SERVICES, PROVIDING HOWEVER, THAT CURAGEN WILL BE LIABLE FOR
DIRECT DAMAGES PROXIMATELY CAUSED BY FAILURE OF PERFORMANCE OF ITS OBLIGATIONS
UNDER THIS AGREEMENT AND BOTH PARTIES WILL BE LIABLE FOR DIRECT DAMAGES
PROXIMATELY CAUSED BY FAILURE OF THE VERACITY OF THEIR REPRESENTATIONS AND
WARRANTIES CONTAINED IN THIS AGREEMENT.

                                       31
<PAGE>
 
11.05  Notices. -  Any notices, requests, deliveries, approvals or consents
       -------                                                             
required or permitted to be given under this Agreement to GW or CURAGEN shall be
in writing and shall be personally delivered or sent by facsimile (with written
confirmation to follow via United States first class mail), overnight courier
providing evidence of receipt or certified mail, return receipt requested,
postage prepaid, in each case to the respective address specified below (or to
such address as may be specified in writing to the other Party hereto):

             If to CURAGEN:       555 Long Wharf Drive, 11th Floor
                                  New Haven, CT   06511
                                  Attn: Executive Vice President
                                  Facsimile No. (203) 401-3333

             If to GW:            Five Moore Drive
                                  PO Box 13398
                                  Research Triangle Park, NC 27709-3398
                                  Attn: Company Secretary
                                  Facsimile No. (919) 549-8687
 
          Such notices shall be deemed to have been sufficiently given on:  (a)
the date sent if delivered in person, (b) the next business day after dispatch
in the case of transmission by facsimile or overnight courier or (c) five (5)
business days after deposit in the U.S. mail in the case of certified mail.

11.06  Arbitration - Any dispute arising out of or relating to this Agreement, 
       -----------                                                              
or any alleged breach of this Agreement, shall be settled by binding arbitration
in accordance with the Rules of the American Arbitration Association ("AAA"),
except as modified by this Section 11. Each arbitration shall be conducted by
three arbitrators, consisting of one arbitrator chosen by each party and the
third arbitrator chosen by the first two. In the event that the first two
arbitrators are not able to agree upon and choose a third arbitrator, the third
arbitrator shall be appointed in accordance with the AAA Rules. The arbitration
proceeding shall be conducted in the English language in New York, N.Y., unless
the Parties agree to conduct the arbitration in another location. The
arbitration shall be binding and not appealable to any court in any
jurisdiction. The prevailing party may enter the arbitration decision in any
court having competent jurisdiction.

11.07   Currency - The Parties agree that, unless otherwise indicated, all
        --------                                                         
monetary amounts referred to in this Agreement are in United States currency.

                                       32
<PAGE>
 
11.08   Further Assurances - The Parties agree to execute such further documents
        ------------------                                                    
and to do such further acts as may be necessary to implement and carry out the
intent of this Agreement.

11.09  Limitations - Except as set forth elsewhere in this Agreement, neither
       -----------                                                           
Party grants to the other Party any right or license to any of its respective
intellectual property.

11.10  Waiver. - The terms or conditions of this Agreement may be waived only by
       ------                                                                   
a written instrument executed by the Party waiving compliance.  The failure of
either Party at any time or times to require performance of any provision hereof
shall in no manner affect its rights at a later time to enforce the same.  No
waiver by either Party of any condition or term shall be deemed as a continuing
waiver of such condition or term or of another condition or term.

11.11  Assignment. -  This Agreement may not be assigned by either Party without
       ----------                                                               
the consent of the other, except that each Party may, without such consent,
assign this Agreement and the rights, obligations and interests of such Party,
in whole or in part, to any of its Affiliates, to any purchaser of all or
substantially all of its assets in the line of business to which this Agreement
pertains or to any successor corporation resulting from any merger or
consolidation of such Party with or into such corporations.

11.12  Force Majeure. - Neither Party shall be liable for failure of or delay in
       -------------                                                            
performing obligations set forth in this Agreement, and neither shall be deemed
in breach of its obligations, if such failure or delay is due to natural
disasters or any causes beyond the reasonable control of such Party.  In event
of such force majeure, the Party affected thereby shall use reasonable efforts
to cure or overcome the same and resume performance of its obligations
hereunder.

11.13  Construction. - The Parties hereto acknowledge and agree that:  (i) each
       ------------                                                             
Party and its counsel reviewed and negotiated the terms and provisions of this
Agreement and have contributed to its revision; (ii) the rule of construction to
the effect that any ambiguities are resolved against the drafting Party shall
not be employed in the interpretation of this Agreement; and (iii) the terms and
provisions of this Agreement shall be construed fairly as to all Parties hereto
and not in favor of or against any Party, regardless of which Party was
generally responsible for the preparation of this Agreement.

                                       33
<PAGE>
 
11.14  Severability. - If any provision(s) of this Agreement are or become
       ------------                                                       
invalid, are ruled illegal by any court of competent jurisdiction or are deemed
unenforceable under then current applicable law from time to time in effect
during the Term hereof, it is the intention of the Parties that the remainder of
this Agreement shall not be affected thereby provided that a Party's rights
under this Agreement are not materially affected, in which circumstance the
Parties hereto covenant and agree to renegotiate any such term, covenant or
application of this Agreement in good faith in order to provide a reasonably
acceptable alternative to the term, covenant or condition of this Agreement or
the application thereof that is invalid, illegal or unenforceable, it being the
intent of the Parties that the basic purposes of this Agreement are to be
effectuated.

11.15  Status. - Nothing in this Agreement is intended to, or shall be deemed
       ------                                                                
to, constitute a partnership, agency, employer-employee, or joint venture
relationship between the Parties.

11.16  GW Indemnification of CURAGEN. - GW shall indemnify, defend and hold
       ------------------------------                                      
harmless CURAGEN, its Affiliates and their respective directors, officers,
employees, and agents and their respective successors, heirs and assigns (the
"CURAGEN Indemnitees"), against any liability, damage, loss or expense
(including reasonable attorneys' fees and expenses of litigation) incurred by or
imposed upon the CURAGEN Indemnitees, or any of them, in connection with any
claims, suits, actions, demands or judgments of third parties, including without
limitation personal injury matters (except to the extent such claims, suits,
actions, demands or judgments result from a material breach of this Agreement,
or the negligence or willful misconduct on the part of CURAGEN) arising out of
or relating to any actions of GW under this Agreement including, without
limitation, the supply of samples for use in the Pharmacogenomics Program.

11.17  CURAGEN Indemnification of GW. - CURAGEN shall indemnify, defend and hold
       ------------------------------                                           
harmless GW, its Affiliates and their respective directors, officers, employees,
and agents and their respective successors, heirs and assigns (the "GW
Indemnitees"), against any liability, damage, loss or expense (including
reasonable attorneys' fees and expenses of litigation) incurred by or imposed
upon the GW Indemnitees, or any of them, in connection with any claims, suits,
actions, demands or judgments of third parties, including without limitation
personal injury matters (except to the extent such claims, suits, actions,
demands or judgments

                                       34
<PAGE>
 
result from a material breach of this Agreement, or the negligence or willful
misconduct on the part of GW) arising out of the performance of the
Pharmacogenomics Program by CURAGEN, except to the extent such claims, suits,
actions, demands or judgments are based on the use of the samples or information
provided to CURAGEN by GW under this Agreement.

11.18  Governing Law. - The Parties agree that this Agreement shall be governed
       --------------                                                         
and construed in accordance with the laws of the State of North Carolina.

11.19  Entire Agreement. - The Parties agree that the provisions contained in
       -----------------                                                    
this Agreement constitute the entire agreement between the Parties with respect
to the subject matter and supersede all previous communications, representations
and agreements (whether verbal or written) between the Parties with respect to
the subject matter hereof, including, without limitation, the Term Sheet of
October 6, 1998.

11.20   Captions and Headings. - The Parties agree that the captions and 
        ----------------------                                                  
headings appearing in this Agreement have been inserted for reference and as a
matter of convenience and in no way define, limit or enlarge the scope or
meaning of this Agreement or any provision.

11.21  Amendments. - Any amendment to this Agreement shall only be effective if
       -----------                                                            
the amendment is in writing and is signed by all of the Parties to this
Agreement.

11.22  Counterparts. - This Agreement may be executed in facsimile counterparts,
       -------------                                                           
each of which shall be deemed to be an original and both of which together shall
constitute one and the same Agreement.

                                       35
<PAGE>
 
          IN WITNESS WHEREOF, the Parties have caused this Agreement to be
executed by their duly authorized representatives in two (2) originals on the
dates indicated by the signators.

CURAGEN CORPORATION                    GLAXO WELLCOME, INC.

By: /s/ Gregory T. Went                By: /s/ James Niedel
    ---------------------------           ---------------------------------

Name: Gregory T. Went                  Name: James Niedel
      -------------------------             -------------------------------

Title  Executive Vice President        Title: Executive Director, Science &
       ------------------------               -----------------------------
                                                Technology
                                                ----------

Date: 11/18/98                         Date: 11/9/98
      -------------------------              ------------------------------

                                       36

<PAGE>
 
                                  EXHIBIT 11

                              CURAGEN CORPORATION
                       COMPUTATION OF NET LOSS PER SHARE
                      ATTRIBUTABLE TO COMMON STOCKHOLDERS


<TABLE> 
<CAPTION> 
                                                                        Year Ended December 31,
                                                          -------------------------------------------------
                                                                1996             1997             1998
                                                          ----------------  ---------------  --------------
<S>                                                       <C>               <C>              <C>
Net loss                                                        ($589,135)     ($7,222,010)   ($18,428,485)
Preferred dividends                                               (17,106)         (68,424)       (508,435)
                                                          ----------------  ---------------  --------------
Net loss attributable to common stockholders                    ($606,241)     ($7,290,434)   ($18,936,920)
                                                          ================  ===============  ==============
Basic and diluted net loss per share attributable                                            
   to common stockholders                                        $  (0.12)      $    (0.92)    $     (1.55)
                                                          ================  ===============  ==============
Weighted average number of shares used in                                                    
   computing basic and diluted net loss per share                                            
   attributable to common stockholders                          5,097,073        7,888,383      12,201,006
                                                          ================  ===============  ==============
</TABLE> 

<PAGE>
 
                                                                    EXHIBIT 21.1

                         Subsidiaries of the Registrant

                                GeneScape, Inc.

<PAGE>
 
                                 EXHIBIT 23.1

INDEPENDENT AUDITORS' CONSENT


We consent to the incorporation by reference in Registration Statement No.
333-56829 of CuraGen Corporation on Form S-8 of our report dated February 12,
1999, appearing in this Annual Report on Form 10-K of CuraGen Corporation for
the year ended December 31, 1998.



DELOITTE & TOUCHE LLP
Hartford, Connecticut
March 25, 1999

<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   YEAR                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1998
<PERIOD-START>                             JAN-01-1997             JAN-01-1998
<PERIOD-END>                               DEC-31-1997             DEC-31-1998
<CASH>                                      17,417,161              43,293,995
<SECURITIES>                                         0                       0
<RECEIVABLES>                                  588,314                 610,641
<ALLOWANCES>                                         0                       0
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                             1,254,614                 506,353
<PP&E>                                       8,656,032              20,100,403
<DEPRECIATION>                               1,735,836               4,200,122
<TOTAL-ASSETS>                              26,519,029              60,804,501
<CURRENT-LIABILITIES>                        4,521,417              11,345,381
<BONDS>                                              0                       0
                                0                       0
                                  1,459,196                       0
<COMMON>                                        85,801                 133,168
<OTHER-SE>                                  12,137,178              42,342,025
<TOTAL-LIABILITY-AND-EQUITY>                26,519,029              60,804,501
<SALES>                                              0                       0
<TOTAL-REVENUES>                             5,896,543               9,257,025
<CGS>                                                0                       0
<TOTAL-COSTS>                                9,742,546              19,989,395
<OTHER-EXPENSES>                             3,481,251               9,128,705
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                   0                       0
<INCOME-PRETAX>                            (7,222,010)            (18,428,485)
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                        (7,222,010)            (18,428,485)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                               (7,290,434)            (18,936,920)
<EPS-PRIMARY>                                   (0.92)                  (1.55)
<EPS-DILUTED>                                   (0.92)                  (1.55)
        

</TABLE>


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