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SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549
FORM 10-K

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

FOR THE FISCAL YEAR ENDED DECEMBER 31, 2000

COMMISSION FILE NUMBER: 000-30981

GENAISSANCE PHARMACEUTICALS, INC.
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(Exact Name of Registrant as Specified in Its Charter)

DELAWARE 06-1338846
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(State of Incorporation (IRS Employer
or Organization) Identification No.)

FIVE SCIENCE PARK
NEW HAVEN, CONNECTICUT 06511
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(Address of Principal Executive Offices) (Zip Code)

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

NAME OF EACH EXCHANGE
TITLE OF EACH CLASS ON WHICH REGISTERED
------------------------ ------------------------
None None

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

COMMON STOCK, $.001 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 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 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. [ ]

The aggregate market value of our voting stock held by non-affiliates as of
March 19, 2001 was: $153,704,665.

There were 22,695,327 shares of our common stock outstanding as of March 19,
2001.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the definitive proxy statement of our 2001 Annual Meeting of
Shareholders to be held on May 22, 2001, which definitive proxy statement will
be filed with the Securities and Exchange Commission not later than 120 days
after the registrant's fiscal year of December 31, 2000, are incorporated by
reference into Part III of this Form 10-K.

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ITEM 1. BUSINESS

COMPANY OVERVIEW

We are a leader in developing technology for applying population
genomics to improve the development, marketing and prescribing of drugs. We
discover genomic markers that can be used to predict which patients will respond
effectively to a drug. We are applying our technology and our clinical
development capabilities to identify which of our genomic markers are predictive
of how patients respond to marketed drugs. We market our technology and our
predictive genomic markers to the pharmaceutical industry as a means of
developing more efficient clinical trials and of improving the sales of existing
drugs, by taking into account the genomic differences that exist between
individuals. In November 2000, we entered into our first collaboration agreement
with Janssen Research Foundation, an affiliate of Johnson & Johnson. In
addition, we market our predictive markers to healthcare providers and payers to
help them make better informed decisions as to which drugs should be prescribed
to specific patients and are suitable for reimbursement. Our technology combines
informatics, genomic markers and an efficient process for analyzing clinical
samples to correlate drug response with a patient's genomic variation.

We believe that a fundamental improvement will occur in the delivery of
healthcare if the pharmaceutical and biotechnology industries begin efficiently
using population genomics. We foresee healthcare providers using knowledge of
each individual's unique genome to predict each individual's response to a drug
as well as disease susceptibility and progression. We believe that the
pharmaceutical industry will use population genomics to design and conduct
smaller and better informed clinical trials. We also see the pharmaceutical
industry applying knowledge based upon our predictive genomic markers to
currently marketed drugs, so as to gain approval for new indications and
maintain or increase market share through differentiation from competing
products and to develop second generation drugs. Ultimately, we believe that our
technology will allow physicians and patients to select specific treatments
based on a patient's genome. Our goal is to have our technology become the
standard for incorporating population genomics throughout the pharmaceutical
process of developing, marketing and prescribing drugs.

INDUSTRY OVERVIEW

The pharmaceutical and healthcare industries face intense pressure to
become more productive and deliver more cost effective healthcare. Two of the
pharmaceutical industry's most challenging issues are the high cost and low
success rate of developing drugs and the need to differentiate approved drugs in
highly competitive markets. At the same time, healthcare providers and payers
are spending a growing proportion of their resources on prescription drugs.

The drug development process is costly and subject to a high failure
rate. The average cost of developing a drug is estimated to be $500 million,
including the cost of unsuccessful drug candidates. Even with recent
technological advances, including advances in areas such as genomics, the
failure rate of clinical trials remains very high. In the United States, only
one in five drug candidates that enters clinical trials reaches the market.
Seventy percent of the drug candidates that enter clinical trials successfully
complete phase I, 33% complete phase II, 25% complete phase III and only 20%
achieve regulatory approval. The decision to enter phase III, the most costly
phase of clinical trials, is generally based upon the results obtained from the
limited number of individuals, often fewer than 200, typically studied in phases
I and II. The typical patient population in phase III is between 1,000 and 5,000
individuals, and the average amount of money spent in a single phase III
clinical trial is estimated to be greater than $40 million.

Approved drugs often face intense competition. The period of market
exclusivity for the first drug in a new therapeutic class is typically much
shorter today than it was a few years ago. Consequently, marketing expenditures
have increased rapidly as companies attempt to maintain or increase market
share. Of the approximately $50 billion spent in 1999 on U.S.-based drug
discovery, development and marketing, the pharmaceutical industry spent over $25
billion on marketing drugs. Marketing departments are also under pressure to
maximize the revenue generated from approved products in order to meet
corporate-wide revenue and earnings goals. In addition, the Boston Consulting
Group reports that it expects large pharmaceutical companies to lose a
substantial portion of their present revenues by 2003 due to the expiration of
patents on existing drugs and the effect of generic drugs on competition. Thus,
in order to maintain revenue growth rates and profitability, pharmaceutical
companies must both improve the success rate of clinical trials and
differentiate their drugs in a crowded market place.

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According to the Health Care Financing Administration, the cost for
prescription drugs in the United States increased from $37.7 billion in 1990 to
$100.6 billion in 1999. In addition, during this same period of time, the
overall percentage of healthcare costs for prescribed drugs increased from 5.4%
to 8.2%. In an attempt to contain the rising cost of drug expenditures,
healthcare providers and payers face the difficult task of deciding which drugs
should be prescribed to specific patients and are suitable for reimbursement.
Healthcare providers make these decisions using medical outcome studies and
economic benefit factors but they do not have any knowledge of which individual
patients are most likely to benefit from a specific drug, if at all. Thus,
healthcare providers and patients would benefit from diagnostic tests that could
predict disease susceptibility, allow for earlier and more appropriate
intervention and predict drug efficacy.

POPULATION GENOMICS

The medical community generally acknowledges that most drugs work more
effectively for some patients than others. The pharmaceutical industry often
poorly understands this variability in patient response. Consequently,
pharmaceutical companies may unnecessarily discontinue further drug development,
fail to obtain regulatory approval for promising drug candidates, or, even if a
drug obtains approval, be unable to market an approved drug effectively or to
obtain approval for third party reimbursement.

Scientists have known for a long time that genomic differences
influence how patients respond to drugs. However, pharmaceutical companies
generally have not considered genomic differences between patients in developing
and implementing clinical trials or in the marketing of approved drugs. If
pharmaceutical companies were able to correlate genomic variation with drug
response in clinical trials, they could improve the drug development and
marketing process. For example, pharmaceutical companies could use the
correlation data from phase I and phase II clinical trials to determine the size
of the patient population that would likely benefit from the drug under
development. They would also know the size of the clinical group needed for a
phase III clinical trial to obtain statistically significant data to support the
clinical development program. The pharmaceutical companies would, therefore,
have a better understanding of the cost required to complete the development of
the drug and the likely economic return on their investment before proceeding to
a phase III clinical trial. In addition, understanding the correlation between
genomic differences and drug response would enable pharmaceutical companies to
improve the marketing of their drugs by identifying those patients for whom
particular drugs are likely to be most effective. Furthermore, healthcare
providers and payers would likely benefit economically from predictive
information that would enable a physician to prescribe the appropriate
medication at the earliest possible time.

Population genomics is the analysis of genomic variation within groups
of people. The genomic blueprint each person inherits from his or her biological
parents determines differences, such as height, hair color, and eye color. Our
DNA, which is composed of four building blocks called nucleotides, encodes the
information responsible for these differences. The relative order, or sequence,
of the four nucleotides determines the information content of the DNA. The
entire DNA content of humans consists of 23 structures called chromosomes and
approximately three billion nucleotides. These nucleotides are organized into at
least 25,000 units of information called genes. The information contained in
genes is translated into a product called a protein.

Humans have two copies of each chromosome. Individuals inherit one set
of the 23 chromosomes, a complete genome, from each parent. Therefore, humans
inherit two copies of the human genome. Differences between siblings arise
because the 23 individual chromosomes can be shuffled in more than eight million
different ways. In addition, during the reproductive process, physical exchange
occurs between regions of each chromosomal pair. Thus, each individual inherits
two versions of each chromosome in a form that is slightly different from that
found in either parent. Likewise, each individual may inherit two different
versions of any specific gene. As a result of this process, there may be
differences between versions of a gene within an individual and among groups of
people. On the other hand, individuals, whether they are related or not, may
inherit similar versions of specific genes. Differences between versions of a
gene, whether within an individual or among groups of people, are referred to as
genomic variation.

Small differences between the DNA sequences of two individuals may
cause profound differences between these two people. Population geneticists
estimate that there is approximately a 0.1% difference in the DNA sequence
between any two individuals; at the DNA level, this 0.1% difference translates
into three million sites of genomic variation. Moreover, in order to predict
drug response, one must not only take into account the genomic variation between
two individuals, but also across diverse groups of people. As few as fifty
people selected from two different geographic regions can have 30 million sites
of genomic variation.

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As scientists better understand genetic variation at the molecular or
genomic level, they are more certain that an individual's response to a drug is
dependent upon that individual's unique genome. In addition, more than one gene
generally determines how an individual responds to a drug. Every drug generally
interacts, directly and indirectly, with a variety of different proteins
produced by different genes. Therefore, in order to predict a specific drug
response, scientists must analyze genomic variation in multiple genes.

A practical approach to understanding why individuals have different
responses to the same drug may be to group individuals together based upon
specific genomic similarity, particularly if the similarity correlates with drug
response or disease susceptibility. This genomic similarity can occur in
unrelated individuals from different geographic regions.

Any approach to commercialize the use of population genomics must:

o take into account that each individual has two versions of every gene;

o recognize that multiple genes are involved in an individual's response to a
drug;

o measure accurately and efficiently substantial genomic variation between
individuals from diverse groups; and

o detect, with sophisticated software programs, the correlation of genomic
variation with a drug response.

SINGLE NUCLEOTIDE POLYMORPHISMS AND HAPLOTYPES

At the DNA level, genomic variation occurs mainly as a result of
variation of a single nucleotide, commonly referred to as a single nucleotide
polymorphism or SNP. Several international efforts are underway which are
intended to serve as the starting point for understanding genomic variation. One
is the Human Genome Project whose scientists have made publicly available a
rough draft of a sequence of a single composite human genome. This sequence
provides a starting point to identify SNPs. Another effort is the SNP
Consortium, an industry sponsored initiative that, together with the Human
Genome Project, has identified 1.42 million SNPs distributed throughout the
human genome. However, geneticists believe that only a small portion of the
human genome constitutes gene information. Thus, only a small number of the SNPs
that have been identified fall within these gene regions of DNA.

Some companies are proposing to correlate genomic variability with drug
response by analyzing individual SNPs. A company that seeks to identify these
correlations using the individual SNP approach, however, must examine blood
samples from thousands of patients and perform a complex statistical analysis to
detect possible predictive markers. This approach may lead to a large number of
markers that, when the company performs subsequent testing, may not correlate
with a drug response.

Geneticists historically studied genetic variation by analyzing the
inheritance of traits within an extended family. Classical population
geneticists coined the term haplotype to describe the physical organization of
genetic variation as its occurs on each pair of chromosomes in an individual.
The haplotype is the standard for measuring genetic variation. At the molecular
level, a haplotype consists of multiple individual SNPs that are organized into
one of the limited number of combinations that actually exist as units of
inheritance in humans. Each haplotype contains significantly more information
than individual, unorganized SNPs. As a result, clinicians need fewer patients
to detect a statistically significant correlation with a drug response if they
use haplotypes rather than individual, unorganized SNPs.

Haplotypes provide:

o an accurate measurement of the genomic variation in each individual's two
genomes;

o a practical method of organizing this genomic variation information;

o an efficient tool for measuring this genomic variation in diverse groups of
people; and

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o enough information to allow clinicians to extract statistically accurate
data from small populations.

Both the Human Genome Project and the SNP Consortium have produced
basic information for use by academic and industrial researchers. However, these
efforts did not:

o determine how SNPs are organized within a gene to constitute a haplotype;

o determine the frequency with which SNPs or haplotypes are found in various
populations; or

o create an informatics interface for using this information in a clinical
setting.

Through the use of haplotypes, together with sophisticated software
programs, pharmaceutical companies could determine with statistical accuracy the
correlation between genomic variation and drug response in a small population of
the size commonly seen in phases I and II of clinical trials and, therefore,
make better informed decisions on whether or not to enter phase III clinical
trials. In addition, understanding the correlation between genomic differences
and drug response would enable pharmaceutical companies to improve the marketing
of their drugs by identifying those patients for whom particular drugs are
likely to be most effective. Furthermore, healthcare providers and payers would
likely benefit economically from predictive information that would enable a
physician to prescribe the appropriate medication at the earliest possible time.

THE GENAISSANCE SOLUTION

We combine sophisticated informatics and proprietary procedures with
state-of-the-art DNA sequencing and genomic variation measurement capabilities
to allow pharmaceutical companies to integrate population genomics into the
development, marketing and prescribing of new and existing medicines. We have
invested considerable resources in constructing a production process to discover
genomic variation with the goal of discovering the range of genomic variation
among all of the pharmaceutically relevant genes. We call this complete solution
our HAP(TM) Technology.

The key components of our HAP(TM) Technology are:

o a database of highly informative, proprietary measures of genomic
variation, or haplotypes, for pharmaceutically relevant genes;

o a proprietary informatics system, including unique algorithms, for
correlating genomic variation with drug response; and

o a cost effective efficient process for measuring genomic variation in
clinical DNA samples.

We designed our HAP(TM) Technology to permit pharmaceutical and
biotechnology companies to use population genomics in a variety of ways for drug
development and commercialization.

DRUG DEVELOPMENT. We designed our HAP(TM)Technology to improve the
success rate of drugs in clinical trials by:

o assessing efficiently the genomic variation among the patients involved in
a clinical trial, thereby permitting pharmaceutical companies to
incorporate genomic variation information into all decisions required
during the course of a clinical trial;

o creating better informed, or "smarter," clinical trials through the design
of protocols which result in the inclusion of those patients most likely to
benefit from the proposed therapeutic product;

o facilitating earlier "go/no-go" decisions on whether to proceed to the next
phase of clinical trial testing which should result in a more efficient use
of clinical resources; and

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o reducing the size and, hence, the cost of late-stage clinical trials by
enrolling a group of patients who are most likely to respond to a drug.

DRUG MARKETING AND PRESCRIBING. We also designed our HAP(TM) Technology
to maximize the value of an approved drug by:

o creating diagnostic tests employing HAP(TM) Markers that are predictive of
drug response, as well as developing supporting software to be used in
tandem with the prescribing and/or marketing of a drug;

o integrating genomic variation information into marketing strategies to
sustain and enhance a market leading position or to address problems such
as poor market penetration, competitive pricing issues, safety, risk of
therapeutic substitution, and limited patent life; and

o targeting new markets and obtaining approval for new indications.

Our HAP Technology may also be useful for improving the drug
discovery process through the selection and validation of drug targets. In
addition, pharmaceutical companies could incorporate data obtained during
clinical trials into the drug discovery process to develop second generation
drugs. If widely adopted, our HAP(TM) Technology could enable the healthcare
system to personalize treatment based upon an individual's unique genome.

We are also applying our HAP(TM) Technology to discover and develop HAP
Markers that are correlated with how patients respond to a marketed drug. We are
investing considerable resources in expanding our clinical development group,
which consists of the following:

o physicians experienced in clinical trial development and pathways of
disease;

o clinical operations personnel experienced in the management of large
parallel clinical trials;

o biostatisticians experienced in the analysis of clinical trial data; and

o regulatory affairs personnel experienced in global product approval
processes.

Our product development process consists of:

o an initial clinical discovery study designed to discover HAP Markers that
appear to be correlated with a differential clinical response;

o a follow up clinical development phase designed to confirm and validate the
identified HAP Marker correlation discovered in the clinical discovery
phase; and

o a commercialization phase in which the intellectual property is configured
into a diagnostic test or other information based products to be offered to
pharmaceutical companies and healthcare providers and payers.

OUR STRATEGY

Our objective is to make our HAP Technology the industry standard for
using genomic variation information throughout the pharmaceutical development,
marketing and prescribing process. The key elements of our strategy include the
following:

COMMERCIALIZE OUR HAP TECHNOLOGY THROUGH OUR HAP2000 PARTNERSHIP
PROGRAM. In November 2000, we entered into our first agreement under the HAP2000
partnership program with Janssen Research Foundation, an affiliate of Johnson &
Johnson. We are in discussions and negotiations with additional pharmaceutical
and biotechnology companies to become partners for our HAP2000 partnership
program. Our HAP2000 program provides access to our HAP Technology, including
access to our proprietary HAP Markers, our DECOGEN informatics system, and our
HAP Typing capabilities. In return, we

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receive annual subscription fees, payments for work on specific drug development
or marketing projects and for HAP Typing. In addition, we expect license,
milestone, and royalty payments for the use of our HAP Markers.

PURSUE MEDNOSTICS OPPORTUNITIES. In our Mednostics programs we are
applying our clinical development expertise and our HAP Technology to develop
proprietary information that will predict which patients will benefit from
currently marketed drugs in selected disease areas. We have targeted disease
areas in large markets with multiple approved drugs having large sales and with
the threat of eminent patent expiration and generic competition. We market our
proprietary information to pharmaceutical companies to allow them to
differentiate their currently approved drugs from competitive products and to
improve the introduction of new products. We also market our proprietary
information to healthcare providers and payers to allow them to make better
informed decisions for each individual patient as to which drug should be
prescribed and reimbursed. By funding our Mednostics programs, we believe that
we can accelerate the development of this proprietary, predictive information
and can market this proprietary information to multiple customers on more
favorable terms. By widely disseminating this information through commercial
arrangements with healthcare providers and payers, as well as pharmaceutical
companies, our goal is to establish our proprietary information as an essential
element of clinical decision making. Over the next twelve months, we expect to
initiate Mednostics programs for multiple specific disease areas involving
numerous marketed drugs.

CONTINUE TO EXPAND OUR CLINICAL GENETICS CAPABILITIES. We have invested
considerable resources to build a clinical development group with the goal of
becoming the leading expert in designing and conducting clinical trails to
derive and validate information required to commercialize genomic markers.

DISCOVER AND PATENT HAP MARKERS FOR ALL OF THE PHARMACEUTICALLY
RELEVANT GENES AND THEIR ASSOCIATION WITH CLINICAL APPLICATIONS. We are seeking
to discover HAP Markers for all of the pharmaceutically relevant genes. We are
filing composition of matter patents to protect HAP Markers, as well as their
association with clinical applications such as drug response, disease risk and
side effects. If we discover and protect these HAP Markers, we believe we will
have created the most comprehensive coverage of informative genomic markers
available. We believe that this coverage of genomic variation would give us a
competitive advantage as the premier source for correlating genomic variation
with drug response. We plan to file method patents covering discoveries we make
relating to prescribing a drug safely and efficaciously or for diagnosing a
patient's predisposition to a particular disease.

CONTINUE IMPROVING AND EXPANDING OUR DECOGEN INFORMATICS SYSTEM. We are
continually expanding the capability of our DECOGEN informatics system with the
goal of establishing it as the industry standard for integrating genomic
variation into the pharmaceutical development and marketing process. We believe
our DECOGEN informatics system is the only platform available that combines
sophisticated genomic variation analysis tools with state-of-the-art clinical
statistics in an intuitive, graphical user interface. In December 2000, we
installed our DECOGEN informatics system at Johnson & Johnson, as part of our
HAP2000 partnership program.

SEEK STRATEGIC ALLIANCES WITH LEADING EQUIPMENT AND INFORMATION
TECHNOLOGY PROVIDERS. We plan to form strategic alliances with research and
diagnostic equipment manufacturers and diagnostic and information technology
companies to expand the applications of our HAP Technology, with the goal of
establishing our HAP Technology as a standard component in the delivery of
healthcare.

INCREASE AWARENESS OF THE IMPACT OF GENE VARIATION ON THE FUTURE
PRACTICE OF MEDICINE. We intend to work closely with regulatory agencies, third
party payers, the medical community and healthcare consumers to build awareness
about the benefits of using genomic variation data in the development, marketing
and prescribing of new and existing drugs. Our goal is to establish our HAP
Technology as the industry standard in the healthcare field for evidence-based
medicine.

OUR COMMERCIAL PROGRAMS

HAP2000 PARTNERSHIP PROGRAM

We have developed a program intended to give pharmaceutical and
biotechnology companies access to our HAP Technology throughout each phase of
drug development and marketing. Each partner will gain access to our proprietary
HAP Markers, our DECOGEN informatics system and our HAP Typing capabilities.
Partners may select a limited number of genes annually for HAP Marker discovery.
We anticipate that each partnership will be for a minimum of three years. While

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we expect to retain all intellectual property rights in HAP Markers discovered
during the partnership, our partners will have the option to receive multiple
exclusive licenses for the use of these HAP Markers for the development of
diagnostic and therapeutic products within specified drug classes and for
particular disease indications.

As part of the HAP2000 program, our partners will gain access to our
HAP Typing facility, which we will use to measure HAP Markers from individual
patient samples provided by our partners. Under our HAP2000 program, we seek to
obtain both near-term and deferred payments including:

o annual subscription fees for access to our DECOGEN informatics system,
including our proprietary HAP Markers;

o fees for research projects focused on development or marketing issues
associated with particular drugs;

o fees for HAP Typing clinical samples supplied by our partners; and

o license fees, milestone payments and royalties based on product sales for
the exclusive use of HAP Markers for drugs within a specific class and for
specific disease indications.

Our first agreement under the HAP2000 partnership program with Janssen
Research Foundation, an affiliate of Johnson & Johnson, is structured in
accordance with the deal template described above.

MEDNOSTICS PROGRAM

In our internally funded Mednostics programs, we apply our clinical
development expertise and our HAP Technology to drugs currently marketed by
third parties. Through our Mednostics programs, we seek to find HAP Markers that
identify individuals who:

o will respond better to a particular drug within a competitive class than to
other drugs in the same class or to one competing class of drugs as
compared to another class of drugs;

o are prone to side effects and adverse reactions; and

o are currently not undergoing therapy for a given disease yet are at risk
and will respond well to a given drug.

Identification of individuals who would benefit from a particular drug
may solidify or improve the market position of a particular drug in a highly
competitive market and assist in obtaining approval for third party
reimbursement. Identification of individuals who are at risk of developing a
side effect may increase patient compliance and expand the market for a drug.
Early identification of individuals who are at risk of developing a particular
disease may improve the treatment for a number of significant diseases and
conditions, including many central nervous system disorders, neurodegenerative
disorders, and cardiovascular disease, and expand the market for already
approved drugs.

In our Mednostics programs, our clinical development group seeks to
discover HAP Markers that are correlated with how a patient responds to a
marketed drug. We choose genes to analyze based upon knowledge of the drug in
question, the drug's known or likely target, the disease, and drug metabolism
considerations. The number of genes we analyze will increase as the costs for
HAP Typing decrease. If we fail to detect a correlation with HAP Markers for a
given gene, we eliminate that gene from further consideration. If we cannot
detect a significant correlation, we analyze additional genes. We then test in a
prospective study any correlation that we detect in order to confirm the
predictability of the HAP Markers.

Our clinical development process consists of an initial clinical
discovery phase in which prospective clinical trials, where the identity of the
drug is known to the clinical investigators, are used to discover HAP Markers
that appear to be correlated with a differential clinical response. These
clinical trials are referred to as open label clinical trials. We intend to
enroll approximately 150 patients for treatment with each of the drugs that will
be compared in a therapeutic class. We expect that the clinical discovery phase
will take from one to one and one-half years, depending on the disease area and
the drug being tested. At the conclusion of this phase, we expect that we will
have identified HAP Markers that

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appear to be correlated with a clinical response such as efficacy or safety of a
drug at varying doses as well as disease susceptibility and progression.

We will then proceed to confirm and validate the identified HAP Marker
correlation in a clinical development phase. We intend to perform prospective
clinical trials, which are open label or where the identity of the drug is not
known to the clinical investigators, and where the identity of a patient's HAP
Markers is unknown to the clinical investigators. We intend to enroll 150 to 300
patients for treatment with each of the drugs that will be compared in a
therapeutic class. We expect that the clinical development phase will take from
one to two years, depending on the disease area and the drug being tested. At
the conclusion of this phase, we expect that we will have produced validated HAP
Markers that are correlated with a clinical response and suitable for
commercialization.

As an example of our Mednostics programs, we are applying our HAP
Technology to the statin class of drugs, which doctors use to treat patients
with high cholesterol and lipid levels and who are, therefore, at risk for
cardiovascular disease. This is a highly competitive market with multiple
approved products seeking to gain increased market share. Currently, the market
is approximately $13 billion worldwide and experts forecast that the market will
at least double in size by 2005. Identification of genomic markers that would
allow the right drug to reach the right patient would allow a company to boost
its market share and would improve patient compliance, which are both
particularly important factors when maximizing profit from drugs that patients
take over the course of a lifetime.

To gather data for this Mednostics program, we studied approximately
170 individuals who were prescribed one of several cholesterol lowering drugs.
We obtained full medical and family histories and extensive clinical
measurements for these individuals from the Ludwigshafen Risk and Cardiovascular
Health Study in Germany, a large, ongoing longitudinal study being managed by
Dr. Bernard Winkelmann at a teaching hospital of the University of Mainz in
Germany. Doctors have diagnosed these individuals to have conditions such as
coronary artery disease, diabetes, obesity, high cholesterol levels and
hypertension. The drugs used included pravastatin (sold by Bristol-Myers Squibb
Company as Pravachol(R)), atorvastatin (sold by Pfizer Inc. as Lipitor(R)) and
cerivastatin (sold by Bayer AG as Baycol(R)). To date, we have identified HAP
Markers from multiple genes that differentiate how patients respond to a statin.
We are attempting to confirm our findings and are simultaneously approaching a
number of companies which may have an interest in intellectual property we
develop from this Mednostics program.

We do not currently expect to manufacture and market pharmaceutical and
diagnostic products ourselves.

ASTHMA CLINICAL STUDY

To demonstrate how the pharmaceutical industry and healthcare
providers could use our HAP Technology, we conducted a clinical study to
determine a correlation between our HAP Markers or SNPs and an asthma
patient's response to the drug albuterol (sold by Glaxo SmithKline as
Ventolin(R)), a standard treatment for persons with asthma. We conducted the
study in collaboration with Dr. Stephen Liggett, our executive medical
advisor and a professor of medicine at the University of Cincinnati Medical
Center. We initially examined genomic variation in the target of the drug,
the beta2 adrenergic receptor (beta2-AR). We determined the sites of
variation in this gene and then used our DECOGEN informatics system to
organize the SNPs into HAP Markers. We found 13 SNPs in the beta 2-AR gene,
which were organized into only 12 HAP Markers out of a theoretical
possibility of 8,192 (2 to the 13th power) haplotypes. We collapsed the 12
HAP Markers into five major groups using our proprietary methods of
population genomics to increase the likelihood of finding a statistically
relevant correlation.

Dr. Liggett recruited 121 asthmatic individuals for clinical
treatment. Dr. Liggett made a large number of standard pulmonary
measurements, after which he treated the patients with albuterol in a
controlled setting. Approximately 30 minutes after treatment, Dr. Liggett
repeated the pulmonary measurements. The response to the drug differed
significantly from patient to patient and the drug was clinically effective
in only 40% of these patients as measured by generally accepted clinical
criteria. Dr. Liggett and his staff drew blood samples and extracted DNA for
HAP Typing of the beta2-AR receptor gene. We did the HAP Typing and entered
the clinical information and the results from HAP Typing into the DECOGEN
informatics system. The search engine of our DecoGen informatics system
analyzed the data for a correlation between combinations of HAP Markers as
well as individual SNPs and the response to albuterol.

Our DECOGEN informatics system found a correlation between specific
pairs of HAP Markers in the beta 2-AR receptor gene and both a positive response
and a poor response to albuterol. By contrast, no individual SNP correlated with
the

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response to albuterol in this study. This study, which was similar in sample
size used for a phase II clinical trial, showed that a patient's response to
albuterol correlated, in a statistically significant manner, with specific HAP
Markers. We have filed a patent application on the correlation and published a
more detailed description of this study in the Proceedings of the National
Academy of Sciences on September 12, 2000.

OUR TECHNOLOGY

OVERVIEW

Our process for discovering HAP Markers eliminates the need to find and
then test large numbers of families or related individuals to determine genomic
variation. Initially, we discover individual SNPs by high-throughput sequencing
of DNA samples of unrelated and related individuals that are representative of
the individuals who constitute the major pharmaceutical markets of the world. We
use our proprietary algorithms to organize the SNPs into HAP Markers. Using
these algorithms, we find that the number of actual HAP Markers per gene is
significantly less than the theoretically large number of ways in which SNPs
could be organized.

Our DECOGEN informatics system contains a number of components. Our HAP
Database contains our HAP Markers including information about their sequence,
frequency and distribution. Our DECOGEN informatics system also contains a
proprietary collection of algorithms and a search engine that correlates a
patient's HAP Markers with a particular response to a drug. Using our DECOGEN
informatics system, we can determine with statistical accuracy the correlation
between HAP Markers and drug response in a small population of the size commonly
seen in phase I and phase II of a clinical trial.

HAP Typing is our process for measuring which HAP Marker pairs are
present in a patient's DNA sample. Our HAP Typing facility uses proprietary
software, robotics and Sequenom's MassARRAY(TM) platform to determine, on a
high-throughput basis, which two HAP Markers for a gene are present in a
patient's DNA sample. We integrate the resulting data into our DECOGEN
informatics system to search for a correlation with a patient's drug response.

The following outlines the components of our HAP Technology and how we
use our HAP Technology to detect a correlation with a drug response.


[FLOW CHART OUTLINING THE COMPONENTS OF OUR
HAP TECHNOLOGY AND HOW WE USE IT TO DETECT
A CORRELATION WITH A DRUG RESPONSE]


GENE SELECTION

Our goal is to discover HAP Markers for all of the pharmaceutically
relevant genes. We prioritize these genes for HAP Marker discovery based upon
the needs of our HAP2000 partners and our Mednostics programs. We obtain genomic
information relevant for gene selection from publicly available sources, such as
the Human Genome Project, and from proprietary databases. We are discovering HAP
Markers for genes that:

o are, or will likely become, drug targets;

o are associated with drug target pathways;

o are involved in how drugs modify cell communication or regulate other
genes; and

o are involved in the metabolic process by which the body absorbs a drug and
breaks it down.

INDEX REPOSITORY

We use our Index Repository, a collection of diverse DNA samples, to
discover the SNPs that are present in genes. We designed our Index Repository
to:

o contain genomic information that would be representative of the people who
constitute the major pharmaceutical markets of the world;

10


o aid in the quality control analysis of the SNPs we discover; and

o facilitate the organization of SNPs into HAP Markers.

To build our Index Repository, we recruited 200 individuals whose
parents and grandparents came from specified geographical regions. We obtained
personal information from each individual, including sex, date of birth, and
general medical information, as well as a detailed family history and drew blood
samples so that we could create continually multiplying cells from the white
cells present in the blood. The resulting cells, called permanent cell lines,
provide us with a supply of DNA from which to discover SNPs. We store frozen
samples of each cell line at multiple locations to ensure that all of these cell
lines are available in the future. To supply sufficient DNA for the production
process, we routinely grow the cell lines in our cell culture facility. We
employ quality control procedures that permit each DNA sample to be
unambiguously matched to its corresponding cell line. We store all of the
information about a cell line in our proprietary HAP Database that is a
component of our DECOGEN informatics system.

We are adding to the content of our Index Repository and will have at
least 300 additional individuals whose parents and grandparents are from
geographical regions that represent emerging and specialized pharmaceutical
markets. We plan to use this new resource to obtain additional population
variability information for specialized applications.

DISCOVERING SNPS

We use a subset of our Index Repository to discover SNPs. We employed
principles of population statistics to determine the minimum number of unrelated
individuals that we needed to have a 99% probability of detecting a SNP or HAP
Marker that occurs:

o in at least 5% of the general population or

o in at least 10% of a population from a specific geographical region.

We sequence individual samples of DNA so that we can accurately
determine the frequency of a SNP in the population. Our procedure allows us to
detect SNPs that are present at lower frequencies than if we were to analyze a
mixture of DNA from different individuals, as is done by some companies.

We sequence 93 individual, human DNA samples, or 186 individual
genomes, from our Index Repository in the following genomic regions for each
selected gene:

o the region responsible for controlling when a gene is active, the control
region;

o the regions containing coding information that is found in the protein
product of the gene, the coding regions;

o the boundaries between the genomic regions containing coding information
and those interspersed regions that do not contain coding information, the
non-coding regions; and

o the region at the end of a gene immediately after the last region
containing coding information.

The following diagram shows the regions of genomic DNA we sequence.


[DIAGRAM SHOWING REGIONS OF GENOMIC DNA WE SEQUENCE]


Our process of discovering SNPs distinguishes us from other companies.
Some companies sequence cDNA, which is a test tube synthesized product that does
not contain sequence information for some key genomic regions that we sequence.
As a result, these companies cannot detect the SNPs that are present in these
regions. In addition, the DNA we use is easily obtainable from blood samples
whereas tissue biopsies may be necessary to synthesize cDNA products for certain
genes.

11


Our sequencing process is highly automated, from picking the regions to
be sequenced through loading the samples onto one of our sequencing machines. We
designed the process in a modular fashion so that we can easily update
procedures with improved technology without the need to shut down the entire
production process. We operate our sequencing facility 24 hours a day, seven
days a week and have 59 ABI Prism(R) 3700 capillary sequencers, manufactured by
Applied Biosystems, a division of Applera Corporation, in operation.

We have also developed a proprietary laboratory information management
system to track genes as they progress through the production pipeline. We use
this system to monitor the overall quality of data we produce to ensure that the
sequencing process is operating according to our established standards. The
sequence information undergoes two forms of quality control analysis. We use
electronic procedures and established population genomic principles to identify
and validate that a SNP exists at a given position.

HAP MARKERS AND HAP DATABASE

Geneticists use the term haplotype to describe how SNPs are organized
on a chromosome. They study the inheritance of genetic variability in extended
families in order to determine haplotypes. Family studies allow a geneticist to
differentiate which of the two copies of a chromosome an individual inherited
from each parent. The haplotype is the standard for describing genetic
variability.

We do not need to conduct family studies to discover haplotypes. Rather
than relying on family studies, we have developed an entirely computerized
process for discovering haplotypes. Our proprietary method works because we
analyze a large number of individual samples and we have members of extended
families in our sample set. We have validated the accuracy of our computerized
process by conventional family studies and molecular techniques. We use our
proprietary computational methods and algorithms to determine how the SNPs in a
gene are organized on each of the two chromosomes in each sample we sequence
from our Index Repository. We use the term HAP Marker, derived from haplotype,
to describe the organization of SNPs we find for a gene. Without our
high-throughput computerized process, the discovery of our HAP Markers would not
be commercially feasible.

Our computerized process assigns a confidence value to each HAP Marker
we discover. If the HAP Markers we discover for a gene fall below a defined
confidence level, we subdivide the gene into regions. We reexamine each region
until we identify HAP Markers that meet our acceptance level. We then enter each
HAP Marker into our proprietary HAP Database. We also enter other relevant
population information, such as the distribution and frequency of each HAP
Marker among people from different geographical regions. We also include in our
HAP Database other genomic markers that others have identified and are available
in public databases.

As of December 30, 2000, we had processed in excess of 3,000
pharmaceutically relevant genes through our production process and deposited
our HAP Markers and associated information into our HAP Database. All of the
nearly 500 current drug targets have gone through our production process. We
will use some of our capacity to sequence certain genes in more than 93
individuals in order to obtain additional population variability information
for specialized applications. We will also use some of our capacity to
sequence genes in specific populations with a defined disease in order to
identify predictive markers for disease susceptibility. To date, we have
found an average of approximately 15 SNPs per gene. There are generally two
possible forms of a SNP that are found at a site of genomic variation.
Therefore, these 15 SNPs could theoretically be organized into 2 to the 15th
power or 32,768 potential HAP Markers. Using our proprietary algorithms, we
found that these SNPs are organized into an average of only approximately 17
HAP Markers per gene.

THE DECOGEN INFORMATICS SYSTEM

We have assembled a team of 65 informatics professionals, 24 of whom
have a Ph.D., to integrate the high information content of our HAP Markers into
the pharmaceutical development and marketing process. This team consists of
individuals with training and experience in software engineering, population
statistics, clinical statistics, workflow systems, and computational molecular
biology. We have constructed a proprietary informatics system, called DECOGEN,
which is short for decoding genes. Our DECOGEN informatics system contains the
proprietary database of population information for our Index Repository and our
proprietary HAP Database of HAP Markers. This database can accommodate
information from a variety of populations, including individuals suffering from
a specific disease and patients in clinical trials, as well as associated data
such as detailed medical histories including responses to drugs. The portal to
the HAP Database is the

12


DECOGEN search engine, which we designed with an intuitive, graphical user
interface so that drug development clinicians can easily manage their data to
find a correlation between HAP Markers and a drug response.

We have constructed the graphical interface to display a series of
views that contain information, beginning with a summary and extending down into
details. For example, in each project, we define a set of candidate genes for
use in the clinical study. This collection of genes can generally be organized
into a series of biochemical pathways, which we graphically display in our
DECOGEN informatics system. The user can point and click on any gene in the
pathway and obtain detailed information about that gene. One view provides
information on the structure of a gene and the physical location of the SNPs,
along with the limited number of ways in which these SNPs are organized into HAP
Markers. This view also displays the frequency of each HAP Marker in the
different sub-populations. With another view, a user can see the HAP Markers for
individual patients in a clinical trial alongside of their demographic and
clinical data.

Our DECOGEN informatics system provides more detailed views for experts
in various areas. For example, population genomic data are available at the
click of a mouse. We also provide views that show the statistics behind any
correlation found between HAP Markers and a drug response. Our DECOGEN
informatics system can use either qualitative or quantitative clinical
measurements as a clinical endpoint to search for a correlation with our HAP
Markers. Our DECOGEN informatics system has the ability to exchange information
with standard software packages used in the pharmaceutical industry.

Additional tools are available in our DECOGEN informatics system to
help in the design and operation of clinical trials. To avoid introducing a
bias, clinicians take into account factors such as age and sex when they
randomize patients between the drug and placebo arms of a clinical trial.
Clinicians can use our HAP Markers to compare the genomic background of the
patients in the two arms of a clinical trial. This function allows the clinician
to determine whether the two patient populations were genetically comparable.
Clinicians can also use this function to match patients for assignment to the
two arms of a trial to ensure that the genomic backgrounds are comparable.

Through December 31, 1999, we were developing a prototype of our
DECOGEN informatics system, which did not have all the major functions and was
not ready for initial customer testing. We established technological feasibility
during the first quarter of 2000, when we evolved the prototype into a working
model which expanded the functionality of our DECOGEN informatics system. In
June 2000, we made our DECOGEN informatics system available for initial customer
testing and in July 2000, we placed a test model with a potential customer for
evaluation. On December 4, 2000, we installed a completed version of our DECOGEN
informatics system for our first HAP2000 program partner, Janssen Research
Foundation.

HAP TYPING

We use the term HAP Typing to describe the process of determining which
HAP Marker is present for each of the two versions of each gene in a patient's
clinical sample. The first step in searching for a clinical correlation is to do
HAP Typing on the clinical samples we receive from a HAP2000 partner or obtain
for a Mednostics program. Because of the information content in our HAP Markers,
we can detect a correlation between a HAP Marker and a drug response with
statistical accuracy in a small population, such as is used in phase II clinical
trials. Other companies propose using numerous, unorganized SNPs to detect a
correlation. Our analysis of the genes, which we have examined, demonstrated
that, in general, haplotypes have more predictive power than do individual SNPs.
In addition, our analysis showed that one will obtain a significant number of
spurious correlations if one uses individual, unorganized SNPs. Thus, if
clinicians use individual SNPs as genomic markers, they need a large number of
patients, similar to what pharmaceutical companies generally use in phase III
trials, to find a correlation with similar statistical accuracy.

Our DECOGEN informatics system contains a proprietary computational
tool that facilitates the use of HAP Markers for HAP Typing. Our SNP discovery
process identifies the positions of variation within a gene. Thus, we examine
only these variable positions in a clinical sample. Our proprietary algorithms
determine the minimal number and combination of variable sites, which we must
analyze in order to identify, with high confidence, the two HAP Markers that are
present for each gene in a clinical sample of DNA. This proprietary tool
exploits an established genetic principle. That is, the presence of a given form
of genomic variation at one position can be highly predictive of the form of
genomic variation present at another site in a gene. This predictability reduces
the complexity of the information needed to identify a HAP Marker in a genomic
sample. We can determine this predictability, however, only if we already know
the haplotype or the organization of SNPs in a gene. Our HAP Markers contain
this needed information.

13


We use our HAP Typing capabilities to support our HAP2000 partners and
our Mednostics programs and to obtain additional population information for
certain HAP Markers. We have a customized 8,000 square foot facility, dedicated
to HAP Typing, which we will make compliant with government regulations under
CLIA and have developed proprietary software to track samples through the
facility. We designed this facility to handle initially at least three million
genomic tests per year. We have adopted Sequenom's MassARRAY(TM) high-throughput
technology to do our HAP Typing. We expect additional shifts of technicians and
MassARRAY(TM) systems to increase the capacity to at least 18 million genomic
tests per year. We are developing genomic tests for a number of our HAP Markers
and intend to use these tests for clinical studies with our HAP2000 partners and
for our Mednostics programs.

OUR COLLABORATIONS

To date, we have entered into the following licenses and
collaborations:

JANSSEN RESEARCH FOUNDATION, A JOHNSON & JOHNSON COMPANY

Effective November 22, 2000, we entered into a multi-year collaboration
agreement with Janssen Research Foundation, referred to as JRF, under which we
have granted JRF a license to our HAP Technology. We have installed our DECOGEN
informatics system at The R.W. Johnson Pharmaceutical Research Institute,
referred to as PRI, a member of the Johnson & Johnson family of companies. We
expect to collaborate with JRF and PRI in research projects to identify HAP
Markers associated with a patient's response to their drugs and with disease
susceptibility and progression. The agreement will automatically terminate after
a period of years unless JRF elects to exercise its option to terminate within a
year prior to automatic termination. Either party may terminate the agreement
early if the other party breaches the agreement.

GENE LOGIC

Effective June 28, 2000, we entered into a three-year collaboration
agreement with Gene Logic, Inc., under which we have licensed their gene
expression databases on a non-exclusive, perpetual, royalty-free basis, in
exchange for the payment by us of annual access fees. In addition, Gene Logic
has licensed from us certain of our technology on a non-exclusive, perpetual,
royalty-free basis certain of our SNP data in exchange for their payment to us
of annual access fees. Gene Logic will use our SNP data to indicate, in their
gene expression databases, the amount of genomic variability that we found in
certain genes. We will use their gene expression information to indicate, in our
HAP Database, the expression level that Gene Logic observed for a gene in
different tissues under different circumstances. We will also use their data to
help select genes for analysis in our Mednostics programs. Furthermore, Gene
Logic will analyze for our Mednostics programs the level of gene expression in
various samples which we will provide to them during the term of the agreement.
The agreement will automatically terminate after three years unless we choose to
extend the term. Either party may terminate the agreement early if the other
party breaches the agreement or if either party meets certain criteria.

SEQUENOM

Effective May 28, 2000, we entered into a three-year collaboration
agreement with Sequenom, Inc., under which we have committed to use Sequenom's
MassARRAY(TM) system as our exclusive equipment platform for high-throughput SNP
analysis in our new HAP Typing facility. In return, Sequenom will provide
equipment and supplies, as well as ongoing access to information about new
technology and products in development by Sequenom, so that we can adapt such
new technologies and products for use at our HAP Typing facility in the shortest
possible time. In addition, we have the option to be a test site for these new
technologies and products. The agreement requires us to purchase a minimum
number of MassARRAY(TM) systems and allows for predetermined pricing of
consumables. The agreement will automatically terminate after three years, but
either party may terminate the agreement early if the other party breaches the
agreement or if the terminating party is able to meet certain criteria.

14


VISIBLE GENETICS

Effective November 21, 1996, we granted to Visible Genetics, Inc. a
worldwide exclusive license to our patented technology relating to the coupled
amplification and sequencing, or CAS, of DNA for diagnostic use. This technology
is not part of our HAP(TM) Technology. Under the terms of the agreement, Visible
Genetics paid us a one-time licensing fee and continues to pay us royalties
based on global sales of products using the licensed technology. Visible
Genetics incorporated the CAS technology in its TruGene(TM) HIV diagnostic kit
which they designed to perform pharmacogenomic analysis of HIV and to customize
HIV and AIDS therapy for particular patient sub-groups. In March 2000, we
amended the agreement to, among other things, reduce the amount of royalties
payable under the agreement and expand the field of the license to the research
products market. In return for the reduction of royalties and broadening of the
field, Visible Genetics has paid us an additional one-time fee of $2 million.
The term of the agreement extends until the last of the patents covered by the
agreement expires. Either party may terminate the agreement early if the other
party breaches the agreement, and we can terminate the agreement early if
Visible Genetics fails to make any payments.

TELIK

Effective February 11, 1998, we entered into a research collaboration
with Telik, Inc. to collaborate on genomics research into estrogen-related
conditions, such as breast cancer and osteoporosis. We amended this
collaboration in February 1999 to extend the term of the collaboration. Telik's
chemoinformatics technologies were used to identify drug candidates that could
modulate the activity of proteins expressed by genes identified by our HAP(TM)
Markers and that were associated with various estrogen receptors. We jointly own
the compounds or other intellectual property rights arising from the
collaboration. We further amended this collaboration in August 2000 to allow
Telik to market the compounds or other intellectual property rights. We will
share the revenues received from any resulting corporate partnering agreements.

INTELLECTUAL PROPERTY

We are pursuing an active program of intellectual property development
and acquisition. In particular, we have developed a system to rapidly file
patent applications on the discoveries from our HAP(TM) Technology. We rely on
patents, trade secrets, non-disclosure agreements, copyrights and trademarks to
protect our proprietary technologies and information. In addition, we are
actively pursuing licensing to third parties our intellectual property that is
peripheral to our core products and services.

We focus our intellectual property strategy on several key areas:

o fundamental methods for conducting our genomics and informatics business;

o HAP(TM) Markers defining the genomic variation discovered in human
populations as well as the genes embodying the HAP Markers;

o HAP(TM) Markers correlated to a drug response or disease susceptibility;

o the HAP(TM) Maker Database and other components of the
DECOGEN(TM) informatics system;

o other proprietary informatics systems for storing and analyzing genomic
variation data; and o novel business methods that utilize our technologies
for providing genomic services to the pharmaceutical and biotechnology
industry.

As of December 30, 2000, our patent portfolio included a total of
four issued and numerous pending patent applications, which we own or for
which we are the exclusive licensee. We have received a U.S. patent, which
covers collecting and analyzing genes from both chromosomes from multiple
individuals in different sub-populations. We have pending patent applications
which cover HAP(TM) Markers for various genes. To protect and extend our
proprietary position in population genomics, we are pursuing patent
protection for all correlations that we identify between our HAP(TM) Markers
and a drug response or susceptibility to a disease. We have also filed patent
applications for components of our DECOGEN(TM) informatics system, including
the process for assembling HAP(TM) Markers

15


and for determining clinical associations. We are pursuing both composition of
matter and method-of-use claims. Our goal is to file patent applications in the
U.S. and abroad on HAP(TM) Markers for every pharmaceutically relevant gene.

We also rely upon unpatented trade secrets and improvements, unpatented
know-how and continuing technological innovation to develop and maintain our
competitive position. We generally protect this information with reasonable
security measures, including confidentiality agreements that provide that all
confidential information developed or made known to others during the course of
the employment, consulting or business relationship shall be kept confidential
except in specified circumstances. Agreements with employees provide that all
inventions conceived by the individual while employed by us are our exclusive
property.

COMPETITION

There is significant competition among entities attempting to use
genomic variation data and informatics tools to develop and market new and
existing medicines. We expect the intensity of the competition to increase. We
face, and will continue to face, competition from pharmaceutical, biotechnology
and diagnostic companies, both in the United States and abroad. Several entities
are attempting to identify and assemble SNP databases. These databases are based
on various technologies and approaches, including the sequencing of either cDNA
or genomic DNA and a genome-wide approach or a candidate gene approach. Some of
these entities are now advocating the use of haplotypes as a measure of genomic
variation. In addition, some of these entities are providing or intend to
provide informatics tools for integrating the use of SNPs into the drug
development process. These entities include, among others, Celera Genomics
Group, Incyte Genomics, Inc. and Variagenics, Inc. In addition, numerous
pharmaceutical companies are developing internal capabilities for identifying
and utilizing gene variation data. In order to compete successfully against
existing and future entities, we must demonstrate the value of our HAP(TM)
Technology and that our informatics technologies and capabilities are superior
to those of our competitors. Many of our competitors have greater resources,
gene variation discovery capabilities and informatics development capabilities
than we do. Therefore, our competitors may succeed in identifying gene variation
and applying for patent protection more rapidly than we do.

We expect that our ability to compete will be based on a number of
factors, including:

o the speed with which we can identify HAP Markers and develop the next
generation of our DecoGen informatics system;

o our ability and the ability of our partners to develop and commercialize
therapeutic and diagnostic products based upon our HAP Technology;

o our ability to attract partners;

o our ability to attract and retain qualified personnel;

o our ability to obtain patent protection; and

o our ability to secure sufficient resources to fund our technology
development and Mednostics programs.

GOVERNMENT REGULATION

Regulation by governmental entities in the United States and other
countries will be a significant factor in the development, manufacturing and
marketing of any product that we or our partners develop. Various federal and,
in some cases, state statutes and regulations govern or influence the
manufacturing, safety, labeling, storage, record keeping and marketing of human
therapeutic and diagnostic products. The extent to which these regulations may
apply to us or our partners will vary depending on the nature of the product.
The FDA does not require companies seeking product approvals to provide data
regarding the correlation between therapeutic response and genomic variation.

Virtually all of the pharmaceutical products developed by our partners
will require regulatory approval by governmental agencies prior to
commercialization. In particular, the FDA in the United States and similar
health authorities in foreign countries will impose on these products an
extensive regulatory review process before they can be marketed. This

16


regulatory process typically involves, among other requirements, preclinical
studies, clinical trials, and often post-marketing surveillance of each
compound. This process can take many years and requires the expenditure of
substantial resources. Delays in obtaining marketing clearance could delay the
commercialization of any therapeutic or diagnostic products developed by our
partners, impose costly procedures on our partners' activities, diminish any
competitive advantages that our partners may attain and lessen our potential
royalties. Any products we or our partners develop may not receive regulatory
approval in a timely fashion or at all.

The FDA regulates human therapeutic and diagnostic products in one of
three broad categories: drugs, biologics, or medical devices. Products developed
using our technologies could potentially fall into any of these three
categories.

The FDA generally requires the following steps for pre-market approval
of a new drug or biological product:

o preclinical laboratory and animal tests;

o submission to the FDA of an investigational new drug application, which
must become effective before clinical trials may begin;

o adequate and well-controlled human clinical trials to establish the safety
and efficacy of the product for its intended indication;

o submission to the FDA of a new drug application, or NDA, if the FDA
classifies the product as a new drug, or a biological license application,
or BLA, if the FDA classifies the product as a biologic; and

o FDA review of the NDA or BLA in order to determine, among other things,
whether the product is safe and effective for its intended uses.

The FDA classifies medical devices, which include diagnostic products,
as class I, class II or class III, depending on the nature of the medical device
and the existence in the market of any similar devices. Class I medical devices
are subject to general controls, including labeling, premarket notification and
good manufacturing practice requirements. Class II medical devices are subject
to general and special controls, including performance standards, postmarket
surveillance, patient registries and FDA guidelines. Class III medical devices
are those which must receive premarket approval, or PMA, by the FDA to ensure
their safety and effectiveness, typically including life-sustaining,
life-supporting, or implantable devices or new devices which have been found not
to be substantially equivalent to currently marketed medical devices. It is
impossible to say at this time which of these categories will apply to any
diagnostic product incorporating our technologies.

Before a new device can be introduced into the U.S. market, it must, in
most cases, receive either premarket notification clearance under section 510(k)
of the Food, Drug, and Cosmetic Act or approval pursuant to the more costly and
time-consuming PMA process. A PMA application must be supported by valid
scientific evidence to demonstrate the safety and effectiveness of the device,
typically including the results of clinical trials, bench tests, laboratory and
animal studies. A 510(k) clearance will be granted if the submitted information
establishes that the proposed device is "substantially equivalent" to a legally
marketed class I or class II medical device or a class III medical device for
which the FDA has not called for PMAs. While less expensive and time-consuming
than obtaining PMA clearance, securing 510(k) clearance may involve the
submission of a substantial volume of data, including clinical data, and may
require a lengthy substantive review.

Even if regulatory clearance is obtained, a marketed product and its
manufacturer are both subject to continuing review. Discovery of previously
unknown problems with a product may result in withdrawal of the product from the
market, which could reduce our revenue sources and hurt our financial results.
Violations of regulatory requirements at any stage during the process, including
preclinical studies and clinical trials, the review process, post-marketing
approval or in manufacturing practices or manufacturing requirements, may result
in various adverse consequences to us, including:

o the FDA's delay in granting marketing clearance or refusal to grant
marketing clearance of a product;

o withdrawal of a product from the market; or

o the imposition of civil or criminal penalties against the manufacturer and
holder of the marketing clearance.

17


Generally, similar regulatory requirements apply to products intended
for marketing outside the United States.

We use clinical samples of blood from individuals in developing our
Index Repository and in our Mednostics programs. On our own or in conjunction
with a Contract Research Organization or a Contract Laboratory Organization,
with which we have a contract, we collect these blood samples, plus personal and
medical information about each individual. Similarly, we prepare the sample
collection protocol and the patient informed consent form. The individual
clinical sites recruit the patients for each clinical study and, following the
study protocol, explain and obtain the signed and witnessed informed consent
documents from each patient. The informed consent form includes the patient's
authorization to use the patient's blood sample and data derived from it for
developing commercial products. Independent institutional review boards must
approve the study protocol and the patient informed consent form. We do not
directly identify any of the individuals from whom we receive clinical samples.
We believe that these procedures comply with all applicable federal, state, and
institutional regulations.

HUMAN RESOURCES

As of March 16, 2001, we had 172 full-time employees, 121 of whom were
engaged in research and development activities, 12 of whom were engaged in
clinical development activities and 39 of whom conducted general and
administrative functions. Of the 121 employees engaged in research and
development, 67 were engaged in informatics and 54 were engaged in industrial
genomics. Forty-eight of our employees hold Ph.D. or M.D. degrees, and
thirty-two hold other advanced degrees.

None of our employees are covered by a collective bargaining agreement,
and we consider our relations with our employees to be good.

TRADEMARKS

This report contains our trademarks, Genaissance(R), HAP(TM) Marker,
HAP(TM) Typing, HAP2000(TM) partnership program, HAP(TM) Technology,
DecoGen(TM) informatics system, and Mednostics(TM) program. Each trademark,
trade name or service mark of any other company appearing in this prospectus
belongs to its holder.

ITEM 1A. EXECUTIVE OFFICERS

Set forth below is certain information regarding our current executive
officers, including their respective ages as of March 19, 2001:



NAME AGE POSITION
- ---- --- ----------

Gualberto Ruano, M.D., Ph.D................... 41 Chief Executive Officer and Director
Kevin Rakin................................... 40 President, Chief Financial Officer and Director
Kenneth B. Kashkin, M.D....................... 50 Executive Vice President, Chief Medical Officer
Gerald F. Vovis, Ph.D......................... 58 Senior Vice President, Chief Technology Officer
Richard S. Judson, Ph.D....................... 42 Senior Vice President of Informatics


GUALBERTO RUANO, M.D., PH.D. Dr. Ruano cofounded Genaissance and has
served as Chief Executive Officer and Director since 1997. Prior to founding
Genaissance, Dr. Ruano was engaged in research at Yale University where he
focused on haplotyping technologies for profiling genome diversity stemming from
population and evolutionary genetics. Dr. Ruano holds a B.A. degree in
biophysics from The Johns Hopkins University and a M.D. and a Ph.D. in
population genetics from Yale University, where he was a fellow of the Medical
Scientist Training Program and the Ford Foundation.

KEVIN RAKIN. Mr. Rakin cofounded Genaissance and has served as
Executive Vice President, Chief Financial Officer and Director since 1997 and as
of October 2000 has been our President. Prior to 1998, Mr. Rakin was also a

18


Principal at the Stevenson Group, a consulting firm, where he provided financial
and strategic planning services to high-growth technology companies and venture
capital firms. Prior to this, Mr. Rakin was a manager with Ernst & Young's
entrepreneurial services group. Mr. Rakin holds a B.S. in business and a M.S.
degree in finance from the University of Cape Town and a M.B.A. from Columbia
University. He is a chartered accountant.

KENNETH B. KASHKIN, M.D. Dr. Kashkin has been our Chief Medical Officer
and Executive Vice President since September 2000. From 1997 to 2000, he served
as Vice President, Clinical Development at Knoll Pharmaceutical Company. From
1992 to 1997, Dr. Kashkin was at Abbott Laboratories, initially as Venture Head,
Neurosciences and then as Director, Pharmaceutical Ventures. In 1992, he was
Medical Director at Nova Pharmaceutical Corporation. From 1990 to 1992, Dr.
Kashkin was Associate Director, Central Nervous System Clinical Research at
Bayer AG. From 1987 to 1992, he was on the faculty of the Yale University School
of Medicine. Dr. Kashkin has led drug development operations in cardiovascular,
immunology, endocrinology, oncology and central nervous system research. He is
Board Certified in Internal Medicine and Neurology/Psychiatry. Dr. Kashkin holds
a B.A. in history and a M.D. from the University of California at Los Angeles.

GERALD F. VOVIS, PH.D. Dr. Vovis has been our Senior Vice President of
Genomics since April 1999 and as of October 2000 has been our Chief Technology
Officer. From 1980 to 1999, Dr. Vovis was affiliated with Genome Therapeutics
Corporation, a genomics company, most recently as Senior Vice President of
Scientific Affairs. He has twenty years of experience in the management of
genetic research and in the development and management of collaborative research
programs with pharmaceutical and biotechnology companies. Dr. Vovis holds a B.A.
in chemistry from Knox College and a Ph.D. in molecular biology from Case
Western Reserve University.

RICHARD S. JUDSON, PH.D. Dr. Judson has been our Senior Vice President
of Informatics since April 2000 and our Vice President of Informatics since
November 1999. He joined Genaissance in February 1999 as Associate Director,
Bioinformatics. From January 1997 to February 1999, he served as Group Leader in
the Bioinformatics Department of CuraGen Corporation, a genomics company, where
he was responsible for developing software for protein-protein interactions and
DNA sequence analysis. From January 1990 to December 1996, he served as Senior
Member of the Technology Staff at Sandia National Laboratories, leading modeling
projects in several areas including computational drug design, protein modeling
and sequence analysis. Dr. Judson holds a B.A. in chemistry and physics from
Rice University and a M.A. and a Ph.D. in chemistry from Princeton University.

ITEM 2. PROPERTIES

Our executive offices and laboratories are located at Five Science
Park, New Haven, Connecticut. We lease nearly 67,000 square feet of space, under
a lease expiring on February 28, 2004, which we may extend for 10 years. We have
a right of first refusal on an additional 4,000 square feet within the same
building complex and 24,000 square feet in an adjacent building.

ITEM 3. LEGAL PROCEEDINGS

We are not a party to any material legal proceedings.

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

No matters were submitted to stockholders for a vote during the fourth
quarter of 2000.

19


PART II

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

Our common stock is currently quoted on the Nasdaq National Market
under the symbol "GNSC."

Our common stock began trading on August 2, 2000 and the high and
low closing sale prices as reported by Nasdaq were as follows:



HIGH LOW
2000

Third Quarter........................... $ 23.50 $ 13.25
Fourth Quarter.......................... $ 33.3124 $ 10.50


As of March 27, 2001, there were approximately 328 holders of record of
our common stock and approximately 4,978 beneficial owners of common stock.

We have never paid cash dividends on our common stock and we do not
anticipate paying any cash dividends in the foreseeable future. We currently
intend to retain future earnings, if any, for use in our business.

In February 2000 we issued 636,364 shares of series B convertible
preferred stock upon the conversion of convertible promissory notes we issued in
the aggregate amount of $3,500,000 in November 1999. In connection with these
convertible promissory notes, we issued warrants to purchase 12,727 shares of
common stock at an exercise price of $5.50. During the first quarter of 2000, we
issued 7,900 shares of common stock for an aggregate sale price of $23,700,
issued warrants to purchase 48,454 shares of common stock at exercise prices
ranging from $4.00 to $8.25 per share and granted options to purchase 73,000
shares of common stock at exercise prices ranging from $4.00 to $5.50 per share.
In February and March 2000, we completed a private placement offering of
7,907,160 shares of series B convertible preferred stock and 183,749 shares of
Series KBH nonvoting convertible preferred stock (exclusive of the 636,364
shares of common stock issued in connection with the conversion of the
$3,500,000 promissory notes) for an aggregate sale price of $44,500,000. In
March 2000, we completed a private placement offering of 1,539,393 shares of
series C convertible preferred stock, for an aggregate sale price of
$12,699,992.

All of the above sales of shares were made in reliance on the exemption
from registration under Section 4(2) of the Securities Act of 1933, as amended,
as transactions not involving a public offering and Rule 701 under the
Securities Act of 1933, as amended, as some of the issuances were to employees
and consultants as compensation. We retained Legg Mason Wood Walker, Inc. as
placement agent in connection with the February and March 2000 private
placements, who received aggregate compensation of $2.5 million, including
$67,826 of expenses and a common stock purchase warrant for 400,000 shares
exercisable at $6.05 per share for their services. There were no underwriters
employed in connection with any of the other transactions set forth above.

During the three months ended December 31, 2000, individuals exercised
options to purchase an aggregate of 39,800 shares of our common stock for an
aggregate purchase price of $48,500. These issuances were made in reliance upon
Rule 701 under the Securities Act of 1933, as amended.

On August 1, 2000, the Securities and Exchange Commission declared our
Registration Statement on Form S-1 (File No. 333-35314) effective in connection
with the initial public offering of our common stock. Deutsche Banc Alex. Brown,
Bear, Stearns & Co. Inc., Salomon Smith Barney and UBS Warburg LLC served as
managing underwriters of the offering.

On August 7, 2000, we sold 6,000,000 shares of our common stock
(excluding the underwriters' overallotment option) at $13.00 per share to the
underwriters. We received net proceeds in the initial public offering of
approximately $71,100,000, reflecting gross proceeds of $78,000,000, net of
underwriting discounts and commissions of approximately $5,460,000 and other
offering costs of approximately $1.4 million.


On August 31, 2000, we sold 900,000 shares of our common stock (in
connection with the exercise of the underwriters' overallotment option) at
$13.00 per share to the underwriters. We received net proceeds of approximately
$10,881,000, reflecting gross proceeds of $11,700,000, net of underwriting
discounts of approximately $819,000.

The proceeds from our initial public offering have been invested in
interest-bearing high-grade corporate bonds and money market accounts.

20


ITEM 6. SELECTED FINANCIAL DATA

The following selected financial data should be read in conjunction
with our financial statements and related notes and "Management's Discussion and
Analysis of Financial Condition and Results of Operations" appearing elsewhere
in this Annual Report on Form 10-K. The selected balance sheet data set forth
below, as of December 31, 1999 and 2000 and the statements of operations data
for each of the years in the three-year period ended December 31, 2000, are
derived from our financial statements which have been audited by Arthur Andersen
LLP, independent public accountants and are included elsewhere in this Annual
Report on Form 10-K. The selected balance sheet data as of December 31, 1996,
1997 and 1998 and selected statements of operations data for the years ended
December 31, 1996 and 1997 are derived from audited financial statements not
included in this Annual Report on Form 10-K. The historical results are not
necessarily indicative of the results we expect for future periods. This data is
in thousands, except per share data.




YEAR ENDED DECEMBER 31,
-----------------------------------------------------
1996 1997 1998 1999 2000

STATEMENT OF OPERATIONS DATA:
Revenues............................ $ 1,141 $ 1,505 $ 1,343 $ 680 $ 753
Operating expenses:
Research and development(1)....... 1,010 1,643 3,017 6,259 25,680
General and administrative(1)..... 304 415 894 2,714 8,837
Sublicense royalty obligations.... 93 19 68 20 530
Deferred stock compensation....... 685 106 473 766 5,256
--------- --------- --------- --------- ---------
Total operating expenses............ 2,092 2,183 4,452 9,759 40,303
--------- --------- --------- --------- ---------
Loss from operations................ (951) (678) (3,109) (9,079) (39,550)
Interest income (expense), net...... (78) (125) (30) (370) 2,784
Realized gains on investments....... -- -- 259 -- --
--------- --------- --------- --------- ---------
Net loss............................ (1,029) (803) (2,880) (9,449) (36,766)
Preferred stock dividends and
accretion........................ -- -- (741) (2,082) (6,327)
Beneficial conversion feature of
Series B, KBH and C preferred
stock............................ -- -- -- -- (50,180)
--------- --------- --------- --------- ----------
Net loss attributable to common
shareholders..................... $ (1,029) $ (803) $ (3,621) $ (11,531) $ (93,273)
========= ========= ========= ========= ==========
Net loss per common share, basic
and diluted...................... $ (0.47) $ (0.40) $ (1.67) $ (4.24) $ (8.55)
========== ========== ========== ========== ==========
Weighted average shares used in
computing net loss per common
share, basic and diluted......... 2,207 1,983 2,165 2,719 10,908
========== ========== ========== ========== ==========
Pro forma net loss per common
share, basic and diluted......... $ (.76) $ (1.79) $ (5.16)
========== ========== ==========
Pro forma weighted average shares
used in computing net loss per
common share, basic and diluted.. 3,807 5,202 16,790
========== =========== ==========

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

(1) Excludes non-cash, stock
based compensation expense as
follows:
Research and development...... $ 219 $ 64 $ 427 $ 499 $ 1,694
Selling, general and
administrative.............. 466 42 46 267 3,562
--------- --------- --------- --------- ----------
$ 685 $ 106 $ 473 $ 766 $ 5,256
========= ========= ========= ========= ==========


21




DECEMBER 31,
1996 1997 1998 1999 2000
------- -------- -------- --------- ----------

BALANCE SHEET DATA:
Cash, cash equivalents and investments.. $ 304 $ 1,420 $ 7,419 $ 3,666 $ 110,376
Total assets............................ 782 1,899 8,946 11,514 143,892
Long-term liabilities................... 1,113 1,405 2,869 11,407 24,305
Redeemable convertible preferred stock.. -- 750 9,945 11,247 --
Accumulated deficit..................... (3,645) (4,501) (8,122) (19,654) (112,927)
Total stockholders' equity (deficit).... (822) (1,369) (4,624) (14,832) 105,675




22


ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATIONS

THE FOLLOWING DISCUSSION AND ANALYSIS OF OUR FINANCIAL CONDITION AND
THE RESULTS OF OPERATIONS SHOULD BE READ IN CONJUNCTION WITH "SELECTED FINANCIAL
DATA" AND OUR FINANCIAL STATEMENTS AND RELATED NOTES APPEARING ELSEWHERE IN THIS
REPORT.

OVERVIEW

Since our inception, we have incurred significant operating losses,
and, as of December 31, 2000, we had an accumulated deficit of $112.9 million.
The majority of our operating losses have resulted from costs we incurred
developing our HAP Technology and initiating our Mednostics programs, and we
expect to dedicate a significant portion of our resources for the foreseeable
future to further develop and maintain our HAP Technology, expand our Mednostics
programs and intensify our commercialization activities. To date, our revenues
have been primarily from licensing fees from our agreements with Janssen
Research Foundation and Gene Logic, Inc., as well as a sublicensing agreement
with Visible Genetics, Inc. and government grants. We expect that it will be
several years, if ever, before we generate significant revenues.

RESULTS OF OPERATIONS

YEARS ENDED DECEMBER 31, 2000 AND 1999

Revenue consists primarily of proceeds received in connection with the
licensing of our HAP Technology, sublicensing of patents and research grants.
Revenue increased to $753,000 in 2000 from $680,000 in 1999. The increase in
revenues is due to a $555,000 increase in license fees from 1999 to 2000, offset
by a $557,000 decrease in grant research revenue. The increase in license
revenues is attributable to the commercialization of our HAP 2000 program and
agreements entered into during 2000 with Janssen Research Foundation and Gene
Logic, Inc. We are recognizing the annual license and subscription fees over the
term of the agreements and the service fees as the services are performed.
Future milestone and royalty payments, when and if received, will be recognized
when earned. Revenue in 2000 also includes the amortization, over the remaining
life of the sublicensed patent, of upfront payments received in connection with
the sublicensing of a patent. The decrease in grant research revenue occurred
because we decided not to pursue research grant funding but to focus instead on
commercializing our HAP Technology.

Research and development expenses consist primarily of payroll and
benefits for research and development personnel, materials and reagent costs,
depreciation and maintenance costs for equipment used for HAP Marker discovery
and facility related costs. Research and development costs increased to $25.7
million in 2000 from $6.3 million in 1999. The increase in expenditures is
primarily attributable to the significant increase in the discovery of HAP
Markers during 2000, the initiation of our HAP Typing facility, the increase in
informatics personnel focused on improvements to our proprietary DecoGen
informatics system, the costs of preparing to launch our first Mednostics
clinical trial and an increase in patent personnel and patent applications. The
increase in expenses includes a $6.6 million increase in laboratory supplies, a
$5.7 million increase in payroll and related costs and a $2.5 million increase
in depreciation expense. We expect research and development costs to continue to
increase significantly over the next few years as we continue to expand our
Mednostics clinical studies, increase our database of HAP Markers, increase the
use of our HAP Typing facility, prosecute our patent applications, and continue
to invest in ongoing product development and improvements related to our DecoGen
informatics system.

Selling, general and administrative expenses consist primarily of
salary and related costs for executive, business development, finance, public
affairs and other administrative personnel as well as facility related costs and
outside professional fees incurred in connection with corporate development,
general legal and financial matters. Selling, general and administrative
expenses increased to approximately $8.8 million in 2000 from $2.7 million in
1999. The increase is primarily attributable to a $2.6 million increase in
payroll and related costs and a $1.0 million increase in professional fees. We
expect selling, general and administrative costs to continue to increase over
the next few years to support our growth, to expand our business development,
marketing and commercialization efforts and to pay the cost of operating as a
public company.

23


Sublicensing royalty expense represents royalties incurred by us on
sublicensing fees received. The increase in sublicensing royalty expense to
$530,000 from $20,000 in 1999 relates primarily to a nonrefundable cash payment
received in 2000 in connection with an amendment to the patent sublicensing
agreement. We have elected to recognize this expense as incurred.

Stock based and other non-cash compensation expense relates to options
granted to employees, options granted to scientific advisory board members and a
sale of stock in exchange for a note, between two of our officers and a major
shareholder. The accounting for options granted to employees is accounted for in
accordance with APB No. 25. The accounting for scientific advisory board members
requires us to record periodic charges for unvested options based on an increase
in the fair value of our common stock and the related vesting of the options.
The accounting for the stock sale between our officers and a major shareholder
required us to record periodic charges, through the date of the initial public
offering, based on an increase in the fair value of our common stock to
recognize the benefit obtained by us as a result of the stock sale. Stock based
compensation increased to $5.3 million in 2000 from $766,000 in 1999. The
increase is primarily due to our decision to vest fully all unvested options
previously granted to scientific advisory board members in March 2000, which
resulted in a one-time expense of approximately $1.4 million, as well as the
recording of approximately $2.9 million of expense related to the officer stock
purchase agreement due to the increase in the fair value of the stock through
the date of our initial public offering. Future unamortized compensation expense
associated with outstanding stock options at December 31, 2000 is approximately
$1.1 million.

Interest income increased to approximately $4.6 million in 2000 from
$267,000 in 1999. The increase is the result of our investment of the proceeds
raised in connection with our issuance of preferred stock in February and March
2000 and our initial public offering in August 2000.

Interest expense increased to approximately $1.8 million in 2000 from
$637,000 in 1999. The increase is due primarily to additional capital lease and
other debt obligations. During 2000, we borrowed $18.7 million under capital
lease arrangements to fund the acquisition of equipment to significantly expand
our HAP Marker discovery and HAP Typing capacity. In addition, we borrowed
approximately $3.9 million to partially fund the expansion of our facilities.

YEARS ENDED DECEMBER 31, 1999 AND 1998

Revenue decreased to $680,000 in 1999 from $1.3 million in 1998. The
decrease resulted primarily from a $649,000 decrease in grant research revenue.
The decrease in grant research revenue occurred because we decided not to pursue
research grant funding.

Research and development expenses increased to $6.3 million in 1999
from $3.0 million in 1998. The increase was attributable to the increased
production of HAP Markers and the development of our proprietary DECOGEN
informatics system.

Selling, general and administrative expenses increased to $2.7 million
in 1999 from $894,000 in 1998. The increase was attributable to an increase in
personnel from our expanded operations, additional business development costs
from marketing our products, and higher operating costs from our move to a
larger facility in February 1999.

Stock based compensation expense increased to $777,000 in 1999 from
$473,000 in 1998 due to an increase in the fair value of our common stock
applied to the additional vesting of options and the stock sale between two of
our officers and a major shareholder.

Interest income increased to $267,000 in 1999 from $88,000 in 1998. The
increase was due to proceeds received in connection with the issuance of
preferred stock in August of 1998, which resulted in an increase in funds
available for investment.

Interest expense increased to $637,000 in 1999 from $118,000 in 1998.
The increase was due primarily to additional capital lease and other debt
obligations.

Realized gains on investments in 1998 resulted from the one-time sale
of an investment in common stock that was acquired by us in 1996.

24


LIQUIDITY AND CAPITAL RESOURCES

We have financed our operations primarily through the private sale
of common and preferred stock, government research grants, payments under
licensing agreements, loans and capital leases. From inception through
December 31, 2000, we have received aggregate gross proceeds of approximately
$162.8 million from issuance of common and preferred stock. In addition,
through December 31, 2000, we had received $4.5 million of government grant
funding and $4.4 million from license fees, royalties and research contracts.
We also have received $24.4 million from capital lease financing and $7.8
million from other loans. The proceeds from capital lease financing and other
loans have been used to acquire $35.6 million of property and equipment. On
December 31, 2000, we had available borrowing capacity of $1.1 million under
capital lease agreements and $366,000 under long-term loans for facility
improvement costs. We are using the $1.1 million available under capital
lease agreements to finance equipment purchases. It is our intention to
continue to expand production and office facilities and to acquire
state-of-the art equipment to continue the discovery of HAP Markers for all
pharmaceutically relevant genes and increase the throughput of our HAP Typing
facility.

Cash used in operations for the year ended December 31, 2000 was $21.3
million compared with $7.4 million for the same period in 1999. A net loss of
$36.8 million in 2000 was partially offset by non-cash charges of $4.9 million
for stock based compensation expense and $4.1 million for depreciation and
amortization expense, as well as increases of $4.4, $1.6 and $1.9 million in
accounts payable accrued expenses and deferred revenue, respectively.

Cash used for investing activities was $49.8 million in 2000 compared
with cash provided by investing activities of $2.2 million in 1999. In 2000, we
used cash to purchase $8.7 million of property and equipment and invested $41.1
million in marketable securities.

Cash provided by financing activities was $136.6 million in 2000
compared to $4.7 million in 1999. We received net proceeds of $136.7 million
through issuance of preferred and common stock during 2000.

On December 31, 2000, cash, cash equivalents and short-term investments
totaled $110.4 million compared to approximately $3.7 million at December 31,
1999. Our cash reserves are held in interest-bearing high-grade corporate bonds
and money market accounts. In August 2000, we completed the initial public
offering of 6,900,000 shares of common stock at a price of $13.00 per share, for
net proceeds of $82.0 million. We believe that our existing cash reserves, the
proceeds from our initial public offering, and our available borrowing capacity
will be sufficient to support our planned operations for at least 24 months.

Our cash requirements will vary depending upon a number of factors,
many of which are beyond our control, including:

o the demand for our HAP Technology;

o the efforts and success of our HAP2000 partnership program;

o the number of Mednostics programs we commence;

o the results and commercialization of our Mednostics programs;

o the level of competition we face;

o our ability to develop, market and license new technology; and

o our ability to effectively manage operating expenses.

INCOME TAXES

We have not generated any taxable income to date and, therefore, have
not paid any federal income taxes since inception. On December 31, 2000, we had
available unused net operating loss carryforwards of approximately $43.3 million
and $42.9 million which may be available to offset future federal and state
taxable income, respectively. Use of

25


our federal and state net operating loss carryforwards, which will begin to
expire in 2007 and 2001, respectively, may be subject to limitations. The future
utilization of these carryforwards may be limited due to changes within our
current and future ownership structure as defined within the income tax code. We
have recorded a full valuation allowance against our deferred tax asset, which
consists primarily of net operating loss carryforwards, because of uncertainty
regarding its recoverability, as required by Financial Accounting Standard No.
109 "Accounting for Income Taxes."

RECENT ACCOUNTING PRONOUNCEMENTS

In December 1999, Staff Accounting Bulletin No. 101 (SAB 101), "Revenue
Recognition," was issued. The revenues included in the accompanying statements
of operations, for all periods presented, are in accordance with the provisions
of SAB 101.

In June 1998, the Financial Accounting Standards Board issued SFAS No.
133, "Accounting for Derivative Financial Instruments and for Hedging
Activities" (SFAS No. 133) which provides a comprehensive and consistent
standard for the recognition and measurement of derivatives and hedging
activities. SFAS No. 133 is effective for fiscal years beginning after January
1, 2001. We do not believe that the adoption of SFAS No. 133 will have an impact
on our results of operations or financial condition as we hold no derivative
financial instruments and we do not engage in hedging activities.

FACTORS AFFECTING FUTURE OPERATING RESULTS

Our future operating results could differ materially from the results
described above due to the risks and uncertainties described in exhibit 99.1 to
this Annual Report on Form 10-K.

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Our exposure to market risk is principally confined to our cash equivalents and
investments, all of which have maturities of less than 18 months. We maintain a
non-trading investment portfolio of investment grade, liquid debt securities
that limit the amount of credit exposure to any one issue, issuer or type of
instrument. The weighted average interest rate on marketable securities at
December 31, 2000, was approximately 6.72%. In view of the nature and mix of our
total portfolio, a 10% movement in market interest rates would not have a
significant impact on the total value of our investment portfolio as of December
31, 2000.

On December 31, 2000, we had aggregate fixed rate debt of approximately $27.1
million, including borrowings outstanding under term loans and capital lease
obligations. The weighted average interest rate on this debt at December 31,
2000, was approximately 9.5%. A 10% change in this interest rate would cause a
corresponding increase in our annual expense of approximately $260,000.


26


ITEM 8. CONSOLIDATED FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS



PAGE

REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS 29

FINANCIAL STATEMENTS

Balance Sheets as of December 31, 2000 and 1999 30

Statements of Operations for the Years Ended December 31, 2000, 1999, and 1998 32

Statements of Stockholders' Equity and Comprehensive Loss for the Years
Ended December 31, 2000, 1999, and 1998 34

Statements of Cash Flows for the Years Ended December 31, 2000, 1999 and 1998 35

NOTES TO FINANCIAL STATEMENTS 36



27


REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS

To the Board of Directors and Stockholders of Genaissance Pharmaceuticals, Inc.:

We have audited the accompanying balance sheets of Genaissance Pharmaceuticals,
Inc. (a Delaware corporation) as of December 31, 2000 and 1999, and the related
statements of operations, stockholders' equity and comprehensive loss and cash
flows for each of the three years in the period ended December 31, 2000. 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 auditing standards generally accepted
in the United States. 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 Genaissance Pharmaceuticals,
Inc. as of December 31, 2000 and 1999, and the results of its operations and its
cash flows for each of the three years in the period ended December 31, 2000 in
conformity with accounting principles generally accepted in the United States.

/s/ Arthur Andersen LLP

Hartford, Connecticut
February 14, 2001


28



GENAISSANCE PHARMACEUTICALS, INC.

Balance Sheets
(Amounts in thousands, except per share data)




DECEMBER 31,
2000 1999

ASSETS
CURRENT ASSETS:
Cash and cash equivalents $ 69,204 $ 3,666
Marketable securities 41,172 --
Accounts receivable 238 --
Other current assets 1,421 206
------------- -------------
Total current assets 112,035 3,872
------------- -------------
PROPERTY AND EQUIPMENT, net 30,725 7,224
------------- -------------
DEFERRED FINANCING COSTS, net of accumulated amortization
of $249 and $96 on December 31, 2000 and 1999, respectively 558 251
------------- -------------
OTHER ASSETS 574 167
------------- -------------
Total assets $ 143,892 $ 11,514
============= =============
LIABILITIES AND STOCKHOLDERS' EQUITY
CURRENT LIABILITIES:
Current portion of long-term debt, including amounts due to related parties
of $52 and $0 at December 31, 2000 and
1999, respectively $ 795 $ 1,020
Current portion of capital lease obligations 5,549 1,200
Accounts payable 5,251 820
Accrued expenses 2,111 488
Current portion of deferred revenue 206 39
------------- -------------
Total current liabilities 13,912 3,567
------------- -------------
LONG-TERM LIABILITIES:
Long-term debt, including amounts due to related parties of $4,752 and $950
at December 31, 2000 and 1999, respectively,
less current portion 5,305 2,287
Capital lease obligations, less current portion 15,408 3,842
Deferred revenue, less current portion 2,133 422
Royalty obligations 300 300
Convertible promissory notes - 3,500
Accrued dividends 1,159 1,056
------------- -------------
Total long-term liabilities 24,305 11,407
------------- -------------


THE ACCOMPANYING NOTES ARE AN INTEGRAL PART OF THESE FINANCIAL STATEMENTS.

29


GENAISSANCE PHARMACEUTICALS, INC.

Balance Sheets (Continued)
(Amounts in thousands, except per share data)




DECEMBER 31,
2000 1999

LIABILITIES AND STOCKHOLDERS' EQUITY (CONTINUED)

COMMITMENTS AND CONTINGENCIES (Note 12)

REDEEMABLE CONVERTIBLE PREFERRED STOCK,
1,000 and 10,000 authorized shares at December 31, 2000
and 1999, respectively

Series A and KBL $.001 par value, 0 and 2,438 shares issued
and outstanding at December 31, 2000 and 1999 -- 11,247
------------- -------------

Series B, KBH, and C (Note 8) -- --
------------- -------------
PUTTABLE WARRANT -- 125
------------- -------------
STOCKHOLDERS' EQUITY:
Common stock, 58,000 and 10,000 authorized shares at December 31, 2000 and
1999, respectively; $.001 par value; 22,687, and 2,810
shares issued and outstanding at December 31, 2000 and 1999 23 3
Additional paid-in capital 218,525 4,819
Accumulated deficit (112,927) (19,654)
Net unrealized investment gains 54 --
------------- -------------
Total stockholders' equity 105,675 (14,832)
------------- -------------
Total liabilities and stockholders' equity $ 143,892 $ 11,514
============= =============


THE ACCOMPANYING NOTES ARE AN INTEGRAL PART OF THESE FINANCIAL STATEMENTS.

30


GENAISSANCE PHARMACEUTICALS, INC.

Statements of Operations
(Amounts in thousands, except per share data)



YEAR ENDED DECEMBER 31,
2000 1999 1998

REVENUES:
License revenue $ 678 $ 123 $ 87
Grant revenue 75 557 1,256
------------- ------------ -------------
753 680 1,343
------------- ------------ -------------
OPERATING EXPENSES:
Research and development (1) 25,680 6,259 3,017
Selling, general and administrative (1) 8,837 2,714 894
Sublicense royalty fees 530 20 68
Stock-based compensation 5,256 766 473
------------- ------------ -------------
40,303 9,759 4,452
------------- ------------ -------------
Operating loss (39,550) (9,079) (3,109)

OTHER INCOME (EXPENSE):
Interest expense (1,839) (637) (118)
Interest income 4,623 267 88
Realized gain on investments -- -- 259
------------- ------------ -------------
Net loss (36,766) (9,449) (2,880)

PREFERRED STOCK DIVIDENDS AND ACCRETION (6,327) (2,082) (741)

BENEFICIAL CONVERSION FEATURE OF SERIES B, KBH AND C PREFERRED STOCK: (50,180) -- --
------------- ------------- -------------
Net loss applicable to common shareholders $ (93,273) $ (11,531) $ (3,621)
============= ============ =============
Net loss per common share, basic and diluted (Note 2) $ (8.55) $ (4.24) $ (1.67)
============= ============ =============
Shares used in computing basic and diluted net loss per common share (Note 2) 10,908 2,719 2,165
============= ============ =============
Pro forma net loss per common share, basic and diluted (Note 2) $ (5.16) $ (1.79) $ (0.76)
============= ============ =============
Shares used in computing basic and diluted pro forma net loss per common
share (Note 2) 16,790 5,202 3,807
============= ============= =============

- --------------------
(1) Excludes non-cash, stock-based compensation expense as follows:
Research and development $ 1,694 $ 499 $ 427
Selling, general and administrative 3,562 267 46
------------- ------------- -------------
$ 5,256 $ 766 $ 473
============= ============ =============


THE ACCOMPANYING NOTES ARE AN INTEGRAL PART OF THESE FINANCIAL STATEMENTS.

31


GENAISSANCE PHARMACEUTICALS, INC.

Statements of Stockholders' Equity and Comprehensive Loss
(Amounts in thousands, except per share data)




ADDITIONAL
REDEEMABLE COMMON STOCK COMMON STOCK PAID-IN ACCUMULATED
SHARES AMOUNTS SHARES AMOUNTS CAPITAL DEFICIT

Balance at December 31, 1997 244 $ 615 2,120 $ 2 $ 1,984 $ (4,501)
Issuance of common stock -- -- 260 -- 325 --
Conversion of note payable and
accrued interest into common stock -- -- 228 -- 571 --
Termination of redemption feature
on redeemable common stock (244) (615) 244 1 614 --
Compensation related to issuance
of options and warrants to purchase
common stock -- -- -- -- 171 --
Warrant issued in connection
with debt financing -- -- -- -- 26 --
Accretion in carrying value of
redeemable preferred stock -- -- 11 -- 40 (741)
Retirement of treasury stock -- -- (381) -- (230) --
Net change in unrealized
investment gain -- -- -- -- -- --
Net loss -- -- -- -- -- (2,880)
Total comprehensive loss
--------- ---------- -------- -------- ------------ -----------
Balance at December 31, 1998 -- -- 2,482 3 3,501 (8,122)
Issuance of common stock in
settlement of obligation -- -- 71 -- 160 --
Issuance of common stock from
exercise of stock options and
warrants -- -- 257 -- 265 --

Compensation related to issuance of
options to purchase common stock -- -- -- -- 766 --
Warrants issued in connection with
debt financing -- -- -- -- 127 --
Accretion in carrying value of
redeemable preferred stock -- -- -- -- -- (2,083)
Net change in unrealized investment
loss -- -- -- -- -- --
Net loss -- -- -- -- -- (9,449)

Total comprehensive loss
--------- ---------- -------- -------- ------------ -----------




NET UNREALIZED TOTAL COMMON
INVESTMENT GAINS TREASURY STOCKHOLDERS'
(LOSSES) STOCK EQUITY (DEFICIT)

Balance at December 31, 1997 $ 339 $ (230) $ (1,791)
Issuance of common stock -- -- 325
Conversion of note payable and
accrued interest into common stock -- -- 571
Termination of redemption feature
on redeemable common stock -- -- --
Compensation related to issuance
of options and warrants to purchase
common stock -- -- 171
Warrant issued in connection
with debt financing -- -- 26
Accretion in carrying value of
redeemable preferred stock -- -- (701)
Retirement of treasury stock -- 230 --
Net change in unrealized
investment gain (345) -- (345)
Net loss -- -- (2,880)
Total comprehensive loss
----------- ----------- ------------
Balance at December 31, 1998 (6) -- (4,624)
Issuance of common stock in
settlement of obligation -- -- 160
Issuance of common stock from
exercise of stock options and
warrants -- -- 265

Compensation related to issuance of
options to purchase common stock -- -- 766
Warrants issued in connection with
debt financing -- -- 127
Accretion in carrying value of
redeemable preferred stock -- -- (2,083)
Net change in unrealized investment
loss 6 -- 6
Net loss -- -- (9,449)

Total comprehensive loss
----------- ----------- ------------


THE ACCOMPANYING NOTES ARE AN INTEGRAL PART OF THESE FINANCIAL STATEMENTS


32


GENAISSANCE PHARMACEUTICALS, INC.

Statements of Stockholders' Equity and Comprehensive Loss (Continued)
(Amounts in thousands, except per share data)



REDEEMABLE COMMON ADDITIONAL
STOCK COMMON STOCK PAID-IN ACCUMULATED
SHARES AMOUNTS SHARES AMOUNTS CAPITAL DEFICIT

Balance at December 31, 1999 - $ - 2,810 $ 3 $ 4,819 $ (19,654)
Issuance of common stock from exercise
of stock options - - 113 - 452 -
Issuance of common stock from exercise
of warrants - - 98 - 230 -
Compensation related to issuance of
options to purchase common stock - - - - 4,936 -
Warrants issued in connection with debt
financing and preferred stock
offering - - - - 3,320 -
Accretion in carrying value of
redeemable preferred stock - - - - - (6,327)
Beneficial conversion feature of Series
B, KBH and C preferred stock - - - - 50,180 (50,180)
Conversion of preferred stock in
connection with initial public
offering - - 12,704 13 72,054 -
Cashless exercise of warrants in
connection with initial public
offering - - 62 - 501 -
Sale of common stock in connection with
initial public offering, net of
offering costs - - 6,900 7 82,033 -
Net change in unrealized investment
gains - - - - - -
Net loss - - - - - (36,766)
Total comprehensive loss
--------- ------- -------- ------ ---------- -------------
Balance at December 31, 2000 - $ - 22,687 $ 23 $ 218,525 $ (112,927)
========= ======= ======== ====== ========== =============




NET UNREALIZED TOTAL COMMON
INVESTMENT TREASURY STOCKHOLDERS'
GAINS STOCK EQUITY (DEFICIT)

Balance at December 31, 1999 $ - $ - $ (14,832)
Issuance of common stock from exercise
of stock options - - 452
Issuance of common stock from exercise
of warrants - - 230
Compensation related to issuance of
options to purchase common stock - - 4,936
Warrants issued in connection with debt
financing and preferred stock
offering - - 3,320
Accretion in carrying value of
redeemable preferred stock - - (6,327)
Beneficial conversion feature of Series
B, KBH and C preferred stock - - -
Conversion of preferred stock in
connection with initial public
offering - - 72,067
Cashless exercise of warrants in
connection with initial public
offering - - 501
Sale of common stock in connection with
initial public offering, net of
offering costs - - 82,040
Net change in unrealized investment
gains 54 - 54
Net loss - - (36,766)
Total comprehensive loss
------ --------- ------------
Balance at December 31, 2000 $ 54 $ - $ 105,675
====== ========= ============


THE ACCOMPANYING NOTES ARE AN INTEGRAL PART OF THESE FINANCIAL STATEMENTS.

33


GENAISSANCE PHARMACEUTICALS, INC.

Statements of Cash Flows
(Amounts in thousands, except per share data)



YEAR ENDED DECEMBER 31,
2000 1999 1998

CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss $ (36,766) $ (9,449) $ (2,880)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization 4,052 816 117
Loss on disposal of equipment 55 - -
Realized securities gains - - (259)
Stock-based compensation 4,936 766 473
Non-cash interest expense 376 125 -
Warrants issued in exchange for services 14 - 24
Changes in assets and liabilities:
Accounts receivable and other current assets (1,453) (116) 38
Other assets (407) (149) (8)
Accounts payable 4,431 436 96
Accrued expenses 1,623 242 (9)
Deferred revenue 1,878 (60) (5)
---------- --------- ----------
Net cash used in operating activities (21,261) (7,389) (2,413)
---------- -------- ---------
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment (8,702) (1,049) (1,122)
(Investment in) proceeds from marketable securities (41,118) 3,235 (2,722)
----------- -------- ---------
Net cash (used in) provided by investing activities (49,820) 2,186 (3,844)
----------- -------- ---------
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of preferred stock 53,925 - 8,769
Net proceeds from issuance of common stock from the
exercise of options and warrants 682 265 -
Proceeds from initial public offering, net of issuance costs 82,040 - -
Proceeds from (repayment of) long-term debt, net (1,061) 1,452 281
Proceeds from long-term debt due to related parties 3,854 950 -
Proceeds from convertible promissory notes - 3,500 -
Amounts payable under long term obligation - (809) 809
Financing costs - (114) (48)
Payable to stockholder - - (180)
Repayment of capital leases (2,821) (564) (12)
----------- -------- ---------
Net cash provided by financing activities 136,619 4,680 9,619
---------- -------- ---------
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS 65,538 (523) 3,362

CASH AND CASH EQUIVALENTS, beginning of period 3,666 4,189 827
---------- -------- ---------
CASH AND CASH EQUIVALENTS, end of period $ 69,204 $ 3,666 $ 4,189
========== ======== =========
SUPPLEMENTAL DISCLOSURE OF CASH FLOW ACTIVITIES:
Cash paid for interest $ 1,308 $ 500 $ 118
========== =========== =========
SUPPLEMENTAL DISCLOSURE OF NON-CASH FINANCING ACTIVITIES:
Conversion of liabilities into common or preferred stock $ 3,561 $ 160 $ 571
Acquisition of equipment pursuant to capital lease obligations 18,735 5,582 -
Issuance of warrants in connection with financing agreements 3,320 127 25
Conversion of preferred stock into common stock 72,067 - -
Cashless exercise of warrants 501 - -


THE ACCOMPANYING NOTES ARE AN INTEGRAL PART OF THESE FINANCIAL STATEMENTS.

34


GENAISSANCE PHARMACEUTICALS, INC.

Notes to Financial Statements
(Amounts in thousands, except per share data)

(1) ORGANIZATION AND OPERATIONS

Genaissance Pharmaceuticals, Inc. (the Company) is a leader in developing
technology for applying population genomics and informatics to improve
the development, marketing and prescribing of drugs. The Company applies
population genomics to discover inherited differences, or genomic
markers. The Company uses its technology and its clinical development
capabilities to identify which of its genomic markers are predictive of
how patients respond to marketed drugs. The Company is marketing its
technology and its predictive genomic markers to the pharmaceutical
industry as a complete solution for developing "smarter" clinical trials
and for improving the sales of approved drugs.

In August 2000, the Company completed its initial public offering of
6,900 shares of its common stock at a price of $13.00 per share, all of
which shares were issued and sold by the Company for aggregate proceeds
of $82,000, net of underwriting discounts and commissions and expenses of
approximately $7,700. Upon closing of the initial public offering, all
issued and outstanding shares of Series A, KBL, B, KBH, and C preferred
stock were converted into 12,704 shares of common stock and there was the
cashless exercise of certain warrants into 62 shares of common stock
(Note 10).

In February and March of 2000, the Company raised approximately $53,900,
net of cash issuance costs and the conversion of $3,500 of promissory
notes issued in 1999 (Note 7), in private placements of Series B, KBH and
C Redeemable Convertible Preferred Stock (Note 8). During 1998, the
Company raised approximately $8,800, net of issuance costs, in a private
placement of Series A and KBL Redeemable Convertible Preferred Stock.

In addition to the normal risks associated with a business venture, there
can be no assurance that the Company's technologies will be successfully
completed, that the Company will obtain adequate patent protection for
its technologies and that any products will be commercially viable. In
addition, the Company operates in an environment of rapid change in
technology and has substantial competition from companies developing
genomic related technologies. The Company expects to incur substantial
expenditures in the foreseeable future for its research and development
and commercialization of its products. The Company's management believes,
based upon its current business plans and existing financial resources
that it will have the ability to fund its operations for at least 24
months.

(2) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

REVENUE RECOGNITION

In December 1999, Staff Accounting Bulletin No. 101 (SAB 101), REVENUE
RECOGNITION, was issued. The revenues included in the accompanying
statements of operations, for all periods presented, are in accordance
with the provisions of SAB 101.

35


In November 2000, the Company entered into a multi-year collaboration
agreement with Janssen Research Foundation, a Johnson and Johnson Company
(J&J), under which it granted J&J a non-exclusive license to certain of
its technology in exchange for the payment of annual license and
subscription fees. In addition, the Company will perform certain HAP
Typing services in exchange for a per unit fee, with certain minimum fee
commitments. J&J also has the option to license certain of the Company's
genomic markers on an exclusive basis for a defined field of use in
exchange for additional license fees, milestone and royalty payments. The
Company is recognizing the annual license and subscription fees over the
term of the agreement and the service fees as the services are performed.
Future milestone and royalty payments, when and if received, will be
recognized when earned.

In June 2000, the Company entered into a multi-year collaboration
agreement with Gene Logic, Inc. (GLI), whereby GLI licensed from the
Company, on a non-exclusive basis, certain of its technology in exchange
for the payment of an annual access fee. Eighteen months after the
commencement of the license, GLI can terminate the agreement if the
Company does not meet certain performance criteria. The Company is
recognizing the license fees over the term of the agreement.

During 1996, the Company entered into a sublicense agreement (Original
License) with Visible Genetics, Inc. (the Licensor). The Original License
provided the Licensor with the right to use the inventions claimed in the
patent in a defined field of use until the expiration of the patent in
June 2012 (License Term). In consideration of the Original License, the
Company received cash, equipment and Licensor common stock. On March 16,
2000, the Company amended the Original License (License Amendment) to
expand the field of use and to reduce the royalty rate on product sales.
In consideration of such License Amendment, the Licensor paid the Company
a nonrefundable fee of $2,050. The Company is recognizing the payments
from the Original License and License Amendment ($2,050, $104 and $454 in
2000, 1998 and 1996, respectively) by amortizing such payments into
revenue, on a straight-line basis, over the License Term. The Company
recognizes the royalties when earned.

The Company recognizes grant research revenue as the related expenses for
development activities are incurred and the related work is performed
under the terms of the grants.

Amounts received in advance of revenue recognition are recorded as
deferred revenue.

CASH AND CASH EQUIVALENTS

The Company considers all highly liquid debt instruments purchased with
an original maturity of nine months or less to be cash equivalents.

SOFTWARE DEVELOPMENT COSTS

The Company evaluates the establishment of technological feasibility of
its products in accordance with Statement of Financial Accounting
Standards (SFAS) No. 86, ACCOUNTING FOR THE Costs OF COMPUTER SOFTWARE TO
BE SOLD, LICENSED OR OTHERWISE MARKETED. The Company has developed a
product for a market that is subject to rapid technological change, new
product development, and changing customer needs. In addition, the
ability to continue to market the product is contingent upon the
Company's ability to successfully populate the database. The Company has
concluded that technological feasibility is established when a product
design and working model of the software product has been completed and
the completeness of the working model and its consistency with the
product design has been confirmed by testing. The time period during
which costs could be capitalized from the point of reaching technological
feasibility until the time of general product release is very short and,
consequently, the amounts that could be capitalized are not material to
the Company's financial position or results of operations. Therefore, the
Company has charged all such costs to research and development in the
period incurred.

LONG-LIVED ASSETS

The Company accounts for its investments in long-lived assets in
accordance with SFAS No. 121, ACCOUNTING FOR THE IMPAIRMENT OF LONG-LIVED
ASSETS AND LONG-LIVED ASSETS TO BE DISPOSED OF. SFAS 121 requires a
company to review long-lived assets for impairment whenever events or
changes in circumstances indicate that the carrying amount of an asset

36


may not be recoverable. The Company has reviewed its long-lived assets
and has determined that no impairments currently exist.

RESEARCH AND DEVELOPMENT

Expenditures for research and development are charged to expense as
incurred.

PATENT AND LICENSED TECHNOLOGY COSTS

The Company expenses the costs of obtaining patents and licensed
technology until such point that the realization of the carrying value of
these costs is reasonably assured.

ACCRUED EXPENSES

Accrued expenses as of December 31, 2000 includes approximately $1,223 of
expenses related to employee compensation.

ROYALTY OBLIGATIONS

Included in the accompanying balance sheets is a $300 royalty obligation.
In 1993, the Company received a $300 grant from the Department of
Economic and Community Development of the State of Connecticut (DECD).
Under the terms of the agreement, the Company is required to make royalty
payments based upon the greater of 2% of net product revenue, as defined,
or $2 per month. The royalties will be satisfied when total payments
equal the original amount of the grant plus interest calculated at 6.2%
per annum. During 2000 and 1999, the Company made royalty payments of $19
which satisfied the 6.2% per annum interest.

SEGMENT REPORTING

SFAS No. 131, DISCLOSURE ABOUT SEGMENTS OF AN ENTERPRISE AND RELATED
INFORMATION establishes annual and interim reporting standards for an
enterprise's operating segments and related disclosures about its
products, services, geographic areas, and major customers. The Company
has determined that it operates in only one segment. In addition, all
revenues are generated from U.S. and Canadian entities, and all
long-lived assets are maintained in the United States.

FAIR VALUE OF FINANCIAL INSTRUMENTS

Financial instruments, include cash and cash equivalents, marketable
securities, and long-term debt. Cash and cash equivalents and marketable
securities are carried at fair value. Long-term debt is carried at cost,
which management believes approximates fair value based upon recent
borrowing rates obtained over the past twelve months.

OTHER COMPREHENSIVE INCOME (LOSS)

The Company presents its financial statements in accordance with SFAS No.
130, REPORTING COMPREHENSIVE INCOME, which establishes standards for the
reporting and displaying of comprehensive income and its components in a
full set of general purpose financial statements. Accordingly, the
Company has included this presentation as a component of the statements
of stockholders' equity (deficit) and comprehensive loss. The objective
of the statement is to report a measure of all changes in equity of an
enterprise that result from transactions and other economic events of the
period other than transactions with owners ("comprehensive income"). This
statement requires that financial statements report unrealized gains or
losses on investments as a component of other comprehensive income or
loss.

The Company's other comprehensive income (loss) amounted to $54, $6, and
$(345) for the years ended December 31, 2000, 1999, and 1998,
respectively. These amounts resulted from the net appreciation
(depreciation) of marketable securities, net of gains recognized in
income during the applicable year.

37


NET LOSS PER COMMON SHARE

The Company computes and presents net loss per common share in accordance
with SFAS No. 128, EARNINGS PER SHARE. There is no difference in basic
and diluted net loss per common share as the effect of convertible
preferred stock, stock options and warrants would be anti-dilutive for
all periods presented. The outstanding convertible preferred stock, stock
options and warrants (prior to application of the treasury stock method)
would entitle holders to acquire 3,039, 3,678, 3,373 shares of common
stock at December 31, 2000, 1999, 1998, respectively. In accordance with
the SEC Staff Accounting Bulletin No. 98, EARNINGS PER SHARE IN AN
INITIAL PUBLIC OFFERING, the Company determined that there were no
nominal issuances of the Company's common stock prior to its initial
public offering (Note 1).

Upon the consummation of the initial public offering in August 2000 (Note
1), all of the preferred stock automatically converted into 12,704 shares
of common stock and certain of the outstanding common stock warrants were
automatically exercised for 62 shares of common stock.

The following table sets forth the pro forma net loss per share for the
years ended December 31, 2000, 1999 and 1998, assuming conversion of
outstanding shares of preferred stock and automatic exercise of warrants
from date of original issuance.



2000 1999 1998

Numerator-
Net loss applicable to common shareholders $ (93,273) $ (11,531) $ (3,621)
Preferred stock dividends and accretion 6,327 2,082 741
Puttable warrant interest expense 376 125 -
----------- ----------- -------------
Pro forma net loss applicable to common shareholders $ (86,570) $ (9,324) $ (2,880)
=========== =========== ===========
Denominator-
Weighted average common shares 10,908 2,719 2,165
Weighted average effect of pro forma securities-
Series A and KBL 1,429 2,438 1,642
Series B and KBH 3,809 - -
Series C 607 - -
Warrants 37 45 -
------------- ------------- -------------
Denominator for pro forma basic and diluted calculation 16,790 5,202 3,807
============= ============= =============
Net loss per share-
Basic and diluted $ (8.55) $ (4.24) $ (1.67)
Pro forma basic and diluted (5.16) (1.79) (.76)


38


RECENTLY ISSUED ACCOUNTING STANDARDS

In June 1998, the Financial Accounting Standards Board issued SFAS No.
133, ACCOUNTING FOR DERIVATIVE FINANCIAL INSTRUMENTS AND FOR HEDGING
ACTIVITIES which provides a comprehensive and consistent standard for the
recognition and measurement of derivatives and hedging activities. SFAS
No. 133 is effective for fiscal years beginning after January 1, 2001.
The adoption of SFAS No. 133 will not have an impact on the Company's
results of operations or financial condition as the Company holds no
derivative financial instruments and does not currently engage in hedging
activities.

USE OF ESTIMATES IN THE PREPARATION OF FINANCIAL STATEMENTS

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.

(3) MARKETABLE SECURITIES AND EQUITY INVESTMENTS

The Company classifies its marketable securities as "available for sale"
and, accordingly, carried these investments at their aggregate fair
value. Unrealized gains or losses on these investments are included as a
separate component of stockholders' equity (deficit) and comprehensive
loss (Note 2). The Company's marketable securities as of December 31,
2000 and 1999 consisted of corporate bonds. As of December 31, 2000,
these securities had a maximum maturity of less than 18 months and
carried a weighted average interest rate of approximately 6.72%. The
amortized cost of these securities differed by their fair values by $54
and $6 as of December 31, 2000 and 1999, respectively.

The Company had an investment in common stock which was sold during 1998.
In conjunction therewith, the Company realized a gain on the sale of
$259, which is reflected in the accompanying 1998 statement of
operations.

(4) PROPERTY AND EQUIPMENT

Property and equipment consists of the following:


DECEMBER 31,
2000 1999

Equipment, computers and software $ 3,571 $ 992
Equipment under capital leases 24,516 5,643
Leasehold improvements and office equipment 7,507 1,577
----------- -----------
35,594 8,212
Less-accumulated depreciation and amortization (4,869) (988)
----------- -----------
Total property and equipment, net $ 30,725 $ 7,224
=========== ===========


These assets are stated at cost and are being depreciated and amortized
over the shorter of their lease term or their estimated useful lives on a
straight-line basis as follows:



Equipment, computers and software 3-4 years
Office equipment 5 years
Leasehold improvements 10 years
Equipment under capital lease 3-5 years


Accumulated depreciation related to equipment under capital leases was
$3,535 and $489 at December 31, 2000 and 1999, respectively.

39


The Company accounts for internal use software in accordance with
Statement of Position 98-1 (SOP 98-1), ACCOUNTING FOR THE COSTS OF
COMPUTER SOFTWARE DEVELOPED OR OBTAINED FOR INTERNAL USE. SOP 98-1
requires the capitalization of direct costs incurred in connection with
developing or obtaining software for internal use, including external
direct costs of materials and services and payroll and payroll-related
costs for employees who are directly associated with and devote time to
an internal use software development project. The Company's policy is to
capitalize all such costs and to amortize such costs over the estimated
useful life of the software. Net capitalized costs associated with this
software were $78 and $227 as of December 31, 2000 and 1999,
respectively.

Expenditures for maintenance and repairs, which do not improve or extend
the useful lives of the respective assets, are expensed as incurred.

(5) FINANCING ARRANGEMENTS

LONG-TERM DEBT

Long-term debt consists of the following:



DECEMBER 31,
2000 1999

Notes payable to Connecticut Innovations, Inc. (CII) bearing interest
at 6.5%, payments of interest only for a defined period and
monthly payments of principal and interest
thereafter. $ 4,804 $ 950

Note payable to TransAmerica Business Corp. (TBCC) bearing
interest at 12.98%, monthly payments of principal and
interest of $72 are payable through August 2002. 1,296 1,898

Other - 459
----------- -----------
Total long-term debt 6,100 3,307

Less-current portion (795) (1,020)
----------- -----------
Total long-term debt, less current portion $ 5,305 $ 2,287
=========== ===========


During 1999 and 2000, the Company entered into three agreements (the
Agreements) with CII, a stockholder of the Company, to finance certain
leasehold improvements and other costs associated with the Company's
facility expansion. The total commitment by CII under these Agreements
was $5,170. During the years ended December 31, 2000 and 1999, the
Company borrowed $3,854 and $950, respectively, under the agreements. The
Agreements provide for interest only with principal payments beginning
April, 2001 through March, 2002 based on a 120 month amortization period,
with final balloon payments due in April, 2007 through March, 2011.
Additional available borrowing capacity of $366 is available under the
Agreements as of December 31, 2000. Borrowings under the Agreements are
secured by the related leasehold improvements.

In April 1999, the Company entered into a $2,000 promissory note payable
to TBCC to refinance existing debt, acquire additional equipment, and
provide additional working capital. The note is callable by the lender in
connection with a material adverse change to the Company or a change in
ownership, as defined. The loan is collateralized by substantially all
assets of the Company. In connection with this loan, during 1999 the
Company issued a warrant to TBCC, which is exercisable through April
2006, to purchase 50 shares of common stock at $4.00 per share (Note 10).
An original issue discount of $80, which approximated the fair value of
the warrant at date of issuance, is being amortized into interest expense
over the term of the loan.

Aggregate future maturities under notes payable is as follows:

40




YEAR ENDED
DECEMBER 31

2001 $ 795
2002 756
2003 366
2004 390
2005 416
Thereafter 3,377
--------
$ 6,100


(6) CAPITAL LEASES

Capital lease obligations related to equipment consist of the following:



FOR THE YEARS ENDED,
2000 1999

Capital lease obligations to Finova Capital Credit Corp.
payable in varying installments through August 2004,
bearing interest from 8.15% to 10.07%, secured by the
related equipment. $ 13,453 $ 1,238

Capital lease obligations to Newcourt Financial USA, Inc. payable in
varying installments through November 2003, bearing interest from
10.5% to 11.8%, secured by the
related equipment. 1,550 1,891

Capital lease obligations to Oxford Venture Finance LLC payable in
varying installments through October 2004, bearing interest from
10.85% to 12.46%, secured by the
related equipment. 5,833 1,723

Capital lease obligations to Steelcase Financing Corp.
payable in varying installments through December 2002,
bearing interest at 13%, secured by the related equipment. 110 167

Other 11 23
----------- ------------
Total capital lease obligations $ 20,957 $ 5,042
=========== ============


41


Aggregate future maturities under these capital leases are as follows:



YEAR ENDED
DECEMBER 31,

2001 $ 7,303
2002 7,272
2003 6,759
2004 3,289
-----------
24,623
Less-amount representing interest (3,666)
------------
Total capital lease obligations 20,957

Less-current portion 5,549
-----------
Total capital lease obligations, less
current portion $ 15,408
===========


During the year ended December 31, 2000, the Company entered into
agreements to provide for an additional $18.9 million of capital lease
financing for equipment purchases with interest rates ranging from
approximately 8.15% to 12.46%. As of December 31, 2000, the Company has
approximately $1,104 of additional borrowing capacity available under
these agreements. In connection with entering into these leasing
arrangements, the Company granted the lessors warrants to purchase an
aggregate of 62 shares of common stock at a weighted average exercise
price of $9.67 per share, of which 22 were exercised during 2000 at a
weighted average exercise price of $8.25 per share. Deferred financing
costs of $414, which approximated the fair value of these warrants at the
date of issuance, are being amortized into interest expense over the term
of the related lease.

During 1999, in connection with one of the capital lease arrangements,
the Company issued a warrant to purchase 18 shares of common stock at
$4.00 per share, all of which were exercised in 2000. Deferred financing
costs of $25, which approximated the fair value of the warrant at date of
issuance, are being amortized into interest expense over the term of the
lease.

During 1998, in connection with one of the capital lease arrangements,
the Company issued a warrant to purchase 26 shares of common stock at
$4.00 per share. Deferred financing costs of $26, which approximated the
fair value of the warrant at the date of issuance, are being amortized
into interest expense over the term of the lease.

The Company's capital lease arrangements allow it to purchase the related
equipment at the completion of the lease term as defined in the
agreement.

(7) CONVERTIBLE PROMISSORY NOTE

In November 1999, the Company borrowed $3,500 under convertible
promissory notes, which bore interest at 8% per annum. In connection
therewith, the Company granted warrants (which are exercisable through
November 2004) to purchase 13 common shares at $5.50 per share (Note 10).
The original issue discount of $22, which approximated the fair value of
the warrants at date of grant, was amortized into interest expense
through the February 2000 maturity date of the convertible promissory
notes. The convertible promissory notes were converted into preferred
stock in 2000 in connection with the issuance of the Series B and KBH
preferred stock (Note 8) based upon the fair value of the preferred stock
at the time of conversion.

42


(8) PREFERRED STOCK

In March 2000, the Company sold 1,539 shares of Series C Redeemable
Convertible Preferred Stock at $8.25 per share resulting in proceeds of
$11,883, net of issuance expenses of $817 (Series C).

In February and March 2000, the Company sold 8,544 shares of Series B and
184 shares of Series KBH (8,728 shares in aggregate, collectively Series
B) for $5.50 per share resulting in proceeds of $42,042, net of cash
issuance costs of $2,375 and net of the conversion of $3,500 of
convertible promissory notes, and related interest, which were issued in
1999 (Note 7) and which were converted into 636 shares of Series B based
upon a per share conversion price of $5.50 per share. In connection with
this offering, the investment banker was issued a warrant (which is
exercisable through February 2005) to purchase 400 shares of common stock
at $6.05 per share (Note 10). The Company recorded additional issuance
costs of $2,892, which approximates the fair value of the warrant at the
date of issuance.

In 1998, the Company sold 2,250 shares of Series A and Series KBL
Redeemable Convertible Preferred Stock (collectively, Series A) at $4.00
per share resulting in aggregate proceeds of $8,769, net of issuance
costs of $231.

All of the Company's preferred stock was automatically converted into
common stock upon the completion of its initial public offering (Note 2).

PREFERRED STOCK TERMS AND CONDITIONS

The significant terms of the Series A, KBL, B, KBH and C were as follows:

VOTING - The Series A, B and C shares had voting rights and the Series
KBL and KBH shares did not have voting rights.

DIVIDENDS - All series outstanding earned cumulative dividends at 8% per
annum. Accordingly, included in the accretion of the carrying value of
preferred stock in the accompanying statements of stockholders' equity
(deficit) and comprehensive loss for the years ended December 31, 2000,
1999 and 1998 is $2,523, $780 and $316 respectively, of earned dividends.

Dividends that accrued subsequent to the Series B, KBH and C issuance
dates would not be paid if the Company consummated an initial public
offering with proceeds of at least $40 million before February 2003 with
a per share price of not less than $8.25 per share (Qualified IPO).
Accrued dividends of $1,159, which were earned on the Series A prior to
the issuance of the Series B and C, continue to be payable after
consummation of the initial public offering (Note 2) and are classified
as a component of long-term liabilities in the accompanying 2000 balance
sheet.

In connection with the sale of Series B, KBH and C preferred stock in
February and March 2000, the Company recorded a charge to accumulated
deficit of $50,180. This amount represented the beneficial conversion
feature of this stock. This amount has been accounted for as a dividend
to these preferred stockholders and as a result, increased the Company's
paid in capital, net loss applicable to common shareholders and the
related net loss per common share.

REDEMPTION REQUIREMENT - The holders of all of the Series A, Series B and
Series C Preferred could have required that the Company repurchase their
shares in three annual installments commencing February 2005.

Through February 17, 2000, the Series A was redeemable at its original
purchase price plus all accrued but unpaid dividends, plus a 12%
cumulative annual return on the original purchase price and all accrued
but unpaid dividends. In connection therewith, during the years ended
December 31, 2000, 1999 and 1998, $177, $1,256 and $410, respectively,
was accreted through a charge to retained earnings and added to the
carrying value of the Series A to appropriately reflect the 12% premium.

Effective February 17, 2000, the Series A was amended to have the same
redemption rights as the Series B and Series C shares. The Series B and
Series C had a redemption value equal to the greater of (a) the original
purchase price plus all accrued but unpaid dividends or (b) fair value,
as defined. The excess of the fair value was accreted through additional
charges to retained earnings, using the effective interest rate method,
from the date of issuance for the Series B and C and

43


from February 17, 2000 for the Series A, through the earliest redemption
date. Accordingly, included in the accretion of the carrying value of
preferred stock for the accompanying statements of stockholders' equity
(deficit) and comprehensive loss for the year ended December 31, 2000 is
$723, $2,456 and $46 ($3,225 in aggregate) of additional charges to
retained earnings to reflect the accretion of the Series A, Series B and
Series C, respectively, to their fair values.

CONVERSION - Upon the completion of the Company's initial public offering
(Note 1), all preferred stock was automatically converted into 12,704
shares of common stock determined by dividing the original purchase price
by the conversion price then in effect.

ISSUANCE EXPENSES - The issuance expenses were recorded as a reduction in
the carrying value of the applicable preferred stock. As a result of the
redemption rights of the holders (see above), the difference in the
stated value and the carrying value resulting from the issuance costs
were being accreted to the earliest redemption date through a direct
charge to accumulated deficit. Accordingly, included in the accretion of
the carrying value of preferred stock in the accompanying statements of
stockholders' equity (deficit) and comprehensive loss for the years ended
December 31, 2000, 1999 and 1998 was $402, $47 and $15, respectively,
related to amortization of these issuance costs.

(9) COMMON STOCK

At December 31, 2000, the Company has authorized 58,000 shares of common
stock. As of December 31, 2000, 4,336 shares have been reserved for
issuance under stock options, warrants and the employee stock purchase
plan (Note 10).

In August 2000, the Company issued 6,900 shares of common stock in
connection with its initial public offering (Note 1).

In August 1999, the Company issued 71 shares of common stock in full
satisfaction of an $160 outstanding obligation.

In September 1998, CII converted a $571 note payable into 228 shares of
the Company's common stock based upon a conversion rate of $2.50 per
common share. CII's conversion rights were a condition of the original
debt agreements entered into by the Company and CII in 1996.

In August 1998, the CEO of the Company entered into an agreement with the
Company to purchase 260 shares of common stock of the Company. The
purchase of the shares was financed by the Company with a $325 promissory
note bearing interest at 6%, with the entire principal being payable
August 2003. During 1998, the Company recorded a reserve of $325 which
has been offset against the note receivable. The note was formally
forgiven upon completion of the Company's initial public offering.

44


(10) STOCK OPTIONS AND WARRANTS

STOCK OPTION PLAN

In 1993, the Board of Directors and stockholders approved the Stock
Option Plan (the Plan) which provides for both incentive and nonqualified
stock options. As of December 31, 2000, under the terms of the amended
Plan, stock options may be granted for up to a maximum of 3,557 shares.
Options granted under the Plan are exercisable for a period determined by
the Company, but in no event longer than ten years from date of grant. In
the event of certain capital stock changes, the options are subject to
adjustment in accordance with anti-dilution provisions.

The Company has adopted the provisions of SFAS No. 123, ACCOUNTING FOR
STOCK-BASED COMPENSATION. This pronouncement requires the measurement of
the fair value of stock options to be included in the statement of
operations or disclosed in the notes to financial statements. The Company
accounts for stock-based compensation for employees under Accounting
Principles Board Opinion No. 25 and has elected the disclosure-only
alternative under SFAS No. 123.

A summary of the status of the Company's stock options plan at December
31, 2000, 1999 and 1998 and changes during the periods then ended is
presented below:



2000 1999 1998
WEIGHTED WEIGHTED WEIGHTED
AVERAGE AVERAGE AVERAGE
EXERCISE EXERCISE EXERCISE
OPTIONS PRICE OPTIONS PRICE OPTIONS PRICE

Outstanding, January 1 990 $ 2.37 514 $ 2.07 538 $ 1.34
Granted 1,691 11.82 542 2.80 293 2.01
Cancelled or expired (56) 5.03 (61) 2.73 (317) 0.78
Exercised (113) 4.02 (5) 1.50 - -
-------- -------- ---------
Outstanding, December 31 2,512 $ 8.58 990 $ 2.37 514 $ 2.07
======== ======== =========
Options exercisable at December 31 836 $ 4.83 268 $ 2.01 117 $ 2.12
======== ======== =========
Weighted average fair value of
options granted during the year $ 6.26 $ 1.70 $ 0.64


The following table summarizes information about stock options at
December 31, 2000:



OPTIONS OUTSTANDING OPTIONS EXERCISABLE
------------------------------------------------- --------------------------------
WEIGHTED
AVERAGE WEIGHTED WEIGHTED
RANGE OF REMAINING AVERAGE AVERAGE
EXERCISE NUMBER CONTRACTUAL EXERCISE NUMBER EXERCISE
PRICES OUTSTANDING LIFE (YEARS) PRICE EXERCISABLE PRICE

$0.01-$1.50 310 7.0 $ 1.31 271 $ 1.30
$1.51-$8.25 772 8.2 3.79 361 3.03
$8.26-$12.00 1,273 9.3 11.88 182 11.85
$12.01-$32.20 157 9.7 19.81 22 19.99
------- ------------ -------- ----- --------
2,512 8.7 $ 8.58 836 $ 4.83
======= ============ ======== ===== ========


During fiscal 2000, options to purchase 1,362 shares of common stock were
granted at an exercise price equal to the fair value of the common stock
on the date of grant at a weighted average exercise price of $12.80 per
share. The weighted average fair value of these options at the date of
grant, as prescribed by SFAS No. 123, was $5.78 per option. In addition,

45


options to purchase 329 shares of common stock were granted at an
exercise price less than the fair value of the common stock on the date
of grant at a weighted average exercise price of $7.77 per share. The
weighted average fair value of these options at the date of grant, as
prescribed by SFAS No. 123, was $8.25 per option.

During fiscal 1999, options to purchase 381 shares of common stock were
granted at an exercise price equal to the fair value of the common stock
on the date of grant at a weighted average exercise price of $3.00 per
share. The weighted average fair value of these options at the date of
grant, as prescribed by SFAS No. 123, was $1.27 per option. In addition,
options to purchase 161 shares of common stock were granted at an
exercise price less than the fair value of the common stock on the date
of grant at a weighted average exercise price of $2.32 per share. The
weighted average fair value of these options at the date of grant, as
prescribed by SFAS No. 123, was $2.73 per option.

Total compensation expense recorded in the accompanying statements of
operations associated with employee stock options is $381, $12, and $48
for the years ended December 31, 2000, 1999 and 1998, respectively.

The Company accounts for options granted to consultants, which include
scientific advisory board members, using the Black-Scholes method
prescribed by SFAS No. 123 and in accordance with Emerging Issues Task
Force Consensus No. 96-18. During the year ended December 31, 2000, the
Company elected to fully vest all unvested options previously granted to
scientific advisory board members. Accordingly, the Company recorded a
compensation charge in the quarter ended March 31, 2000 based upon the
incremental fair value and previously recognized compensation expense
associated with these options at the time of vesting. Total compensation
expense recorded in the accompanying statements of operations associated
with these consultant options is $1,675, $434 and $100 for the years
ended December 31, 2000, 1999 and 1998, respectively.

Unamortized compensation expense associated with outstanding stock
options at December 31, 2000 is approximately $1.1 million.

In 1996, in connection with a change in management of the Company, the
Company's current Chief Executive Officer and Chief Financial Officer
(the Officers) entered into a stock purchase agreement (Officer Stock
Purchase Agreement) with an officer and major shareholder of the Company
(Former CEO). The Officer Stock Purchase Agreement permitted the Officers
to purchase shares of common stock from the Former CEO in exchange for
notes payable aggregating $320 (Officer Stock Notes). The notes were
collateralized by the stock, and were payable at the earlier of August
31, 2001 or an initial public offering or change in control, as defined.
The Company has recognized this transaction as a compensatory arrangement
between the Company and the officers and accordingly has recognized a
non-cash compensation expense of $2,880 and $320 in 2000 and 1999,
respectively.

In April 2000, the Company's board of directors elected to assume the
$320 of Officer Stock Notes in exchange for notes from the Officers
payable directly to the Company (Officer Notes), provided that the
Company successfully completed its initial public offering. Upon
completion of the initial public offering, the Company issued the
promissory notes and the obligation to the former CEO was satisfied. In
addition, the Company elected to forgive the $320 of Officer Notes. The
Company has recognized compensation expense of $320 during the year ended
December 31, 2000 as a result of the successful completion of its initial
public offering. Such forgiveness is included in stock based compensation
in the accompanying statement of operations.

The Company has computed the pro forma disclosures required under SFAS
No. 123 for options granted to employees using the Black-Scholes option
pricing model. The weighted average assumptions used are as follows:



2000 1999 1998

Risk free interest rate 6.1% 6.0% 5.3%
Expected dividend yield None None None
Expected lives 7 years 7 years 7 years
Expected volatility 0% and 145% None None



46


Had compensation cost for the Company's stock option plan been determined
consistent with SFAS No. 123, the Company's pro forma net loss would have
been as follows:



FOR THE YEARS ENDED
2000 1999 1998

Net (loss) applicable to common stockholders:
As reported $ (93,273) $ (11,531) $ (3,621)
Pro forma (95,157) (11,625) (3,675)

Net (loss) per common share, basic and diluted:
As reported (8.55) (4.24) (1.67)
Pro forma (8.72) (4.27) (1.70)


EMPLOYEE STOCK PURCHASE PLAN

During fiscal 2000, the board of directors adopted the Employee Stock
Purchase Plan 2000 (ESPP). Under the ESPP, eligible employees may
purchase common stock at not less than 85% of fair value, as defined.
Under the ESPP, the Company's compensation committee grants rights to
purchase the shares under the ESPP. The Company has reserved 250 shares
of common stock for issuance under the ESPP. As of December 31, 2000, no
shares have been issued under the ESPP.

STOCK WARRANTS

The Company has historically issued warrants in connection with its
financing and capital raising activities. During 2000, warrants to
purchase 98 shares of common stock, were exercised at a weighted average
exercise price of $2.35 per share for aggregate proceeds of $230,000.
During 1999, warrants to purchase 252 shares of common stock were
exercised for $1.02 per share, for aggregate proceeds of $257. In
addition, in connection with the Company's initial public offering (Note
1) there was the cashless exercise of warrants to purchase 87 shares of
common stock into 62 shares of common stock.

47


As of December 31, 2000, the Company had the following warrants
outstanding to purchase shares of common stock of the Company. Certain
warrants include anti-dilutive provisions, as defined.



PER SHARE
YEAR EXERCISABLE EXERCISE
ISSUED THROUGH NUMBER PRICE

1998 (Note 6) November 2003 26 $4.00
1999 (Note 5) April 2006 50 4.00
1999 (Note 7) November 2004 11 5.50
2000 (Note 8) February 2005 400 6.05
2000 (Note 6) March 2005 22 5.50
2000 (Note 6) June 2005 18 16.25
------
527
======


(11) INCOME TAXES

The Company accounts for income taxes under the provisions of SFAS No.
109, Accounting for Income Taxes. This statement requires the Company to
recognize deferred tax assets and liabilities for the expected future tax
consequences of events that have been previously recognized in the
Company's financial statements or tax returns. Under this method,
deferred tax liabilities and assets are determined based on the
difference between the financial statement carrying amounts and the tax
basis of the assets and liabilities and the net operating loss
carryforwards available for tax reporting purposes, using applicable tax
rates for the years in which the differences are expected to reverse.

The reconciliation of the statutory Federal income tax rate to the
Company's effective income tax rate for the years ended December 31, 2000
and 1999, is as follows:



FOR THE YEARS ENDED
2000 1999 1998

Statutory rate 34.0% 34.0% 34.0%
State tax benefit, net of Federal taxes 4.9 4.8 13.2
Other 2.0 (1.5) (0.6)
Increase in deferred tax valuation allowance (40.9) (37.3) (46.6)
------- ------ ------
-% -% -%
======= ====== ======


The Company has available, at December 31, 2000, unused net operating
loss carryforwards of approximately $43.3 million and $42.9 million which
may be available to offset future Federal and state taxable income,
respectively, if any. The future utilization of these carryforwards may
be limited on a permanent basis due to changes within the Company's
current and future ownership structure as defined within the income tax
code. These limitations would have no impact on the Company's statement
of operations, as these carryforwards are fully reserved. Federal
carryforwards are scheduled to expire beginning in 2007 through 2020.
State carryforwards are scheduled to expire from 2001 through 2020.

Recently enacted state tax legislation in Connecticut may allow the
Company to exchange certain research and development tax credit
carryforwards generated in 2000 for a cash payment. The Company will
recognize the value associated with these carryforwards when receivable
from the applicable taxing authority.

48


The components of deferred income tax assets as of December 31, 2000
and 1999 are as follows:




FOR THE YEARS ENDED
2000 1999

Deferred tax assets:
Net operating loss carryforwards $ 16,850 $ 5,250
Other 4,140 710
------------- -------------
Total deferred tax assets 20,990 5,960

Less-valuation allowance for deferred tax assets (20,990) (5,960)
------------- -------------
Net deferred tax assets $ - $ -
============= =============


The Company has not yet achieved profitable operations. Accordingly,
management believes the tax benefits as of December 31, 2000 do not
satisfy the realization criteria set forth in SFAS No. 109 and has
recorded a valuation allowance for the entire deferred tax asset.

(12) COMMITMENTS AND CONTINGENCIES

401(K) RETIREMENT PLAN

The Company has a 401(k) defined contribution retirement plan covering
substantially all full-time employees. The Company matches 25% of
employee contributions up to 8% of employee compensation. The Company
contributed $60, $25 and $6 to the plan during 2000, 1999 and 1998,
respectively.

ROYALTY AND OTHER COMMITMENTS

The Company periodically enters into agreements with third parties to
obtain exclusive or non-exclusive licenses for certain technologies
management believes important to the Company's overall business strategy.
The terms of certain of these agreements provide for the Company to pay
future royalty payments based on product sales or sublicense income
generated from the applicable technologies, if any. Additionally, certain
agreements call for future payments upon achievement of certain
milestones. The aggregate annual minimum payments (assuming
non-termination of these agreements) as of December 31, 2000 required
over the next three years are $4,030, $4,030, and $2,030 in 2001, 2002,
and 2003, respectively. The Company recorded expenses of $2,417, $202,
and $120 during 2000, 1999 and 1998, respectively.

In connection with the Company's initial license of a patent from a
University, the Company is obligated to pay both the University and the
inventor of the technology a sublicense royalty fee. The inventor of the
technology subsequently joined the Company and is currently the chief
executive officer of the Company. The Company has elected to recognize
this expense as incurred. Accordingly, included in the accompanying
December 31, 2000 and 1999 balance sheet is $9 and $8, respectively, of
sublicense fees payable to the University and $7 and $6, respectively, of
sublicense fees payable to the inventor resulting from the License
Amendment. Future royalty payments from the Licensor, if any, will also
be subject to a sublicense royalty fee. Included in the accompanying
statements of operations for the years ended December 31, 2000, 1999 and
1998, are $530, $20, and $68, respectively, of sublicensing fees
resulting from the Original License and License Amendment.

As of December 31, 2000, the Company had outstanding purchase commitments
to acquire property and equipment for approximately $3,800.

49


OPERATING LEASES

The Company leases its operating facilities located in New Haven,
Connecticut. The lease agreements require annual lease payments of $816
per year increasing to $964 per year over five years terminating in 2009.
The Company has two five-year renewal options to extend the lease beyond
its initial term. The Company is recording the expense associated with
the lease on a straight line basis over the expected ten-year minimum
term of the lease.

In addition to the five year operating lease for the Company's current
facility, the Company also has operating leases for various office
equipment.

Rental expense for all operating leases for the years ended December 31,
2000, 1999 and 1998 was $549, $213 and $77, respectively.

Future minimum payments under all non-cancelable operating leases in
effect as of December 31, 2000 are as follows:



2001 $ 944
2002 1,057
2003 1,080
2004 1,076
2005 1,038
Thereafter 3,053


(13) SIGNIFICANT CUSTOMERS AND FOREIGN BASED REVENUES

For the years ended December 31, 2000, 1999 and 1998 approximately 34%,
11% and 6%, respectively, of the Company's revenues resulted from foreign
based customers. For the years ended December 31, 2000, 1999 and 1998,
90%, 82% and 90%, of revenues resulted from transactions with three, two
and two customers, respectively.

(14) QUARTERLY DATA - UNAUDITED



2000
1ST QUARTER 2ND QUARTER 3RD QUARTER 4TH QUARTER

Revenues $ 63 $ 57 $ 67 $ 566
Operating expenses 8,483 7,465 11,018 13,337
Operating loss (8,420) (7,408) (10,951) (12,771)
Net loss applicable to
common shareholders (60,438) (10,094) (11,408) (11,333)
Net loss per common share:
Basic and diluted (21.49) (3.57) (0.74) (0.50)




1999
1ST QUARTER 2ND QUARTER 3RD QUARTER 4TH QUARTER

Revenues $ 284 $ 272 $ 60 $ 64
Operating expenses 1,631 1,831 2,962 3,335
Operating loss (1,347) (1,559) (2,902) (3,271)
Net loss applicable to
common shareholders (1,736) (2,277) (3,517) (4,001)
Net loss per common share:
Basic and diluted (0.67) (0.86) (1.27) (1.42)


50


ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
FINANCIAL DISCLOSURES

NONE.

PART III

ITEM 10. DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

The response to this item is contained in part under the caption "Executive
Officers of the Registrant" in Part I, Item 1A of this annual report on form
10-K and the remainder is incorporated by reference into this annual report on
form 10-K from the discussion responsive thereto under the caption "Election of
Directors" in the our proxy statement relating to our 2001 annual meeting of
stockholders scheduled for May 22, 2001.

ITEM 11. EXECUTIVE COMPENSATION

The response to this item is incorporated by reference into this annual
report on form 10-K from the discussion responsive thereto under the captions
"Executive Compensation" and "Compensation Committee Interlock and Insider
Participation" in our proxy statement relating to our 2001 annual meeting of
stockholders.

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

The response to this item is incorporated by reference into this annual
report on form 10-K from the discussion responsive thereto under the caption
"Share Ownership" in our proxy statement relating to our 2001 annual meeting of
stockholders.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

The response to this item is incorporated herein by reference from the
discussion responsive thereto under the captions "Compensation Committee
Interlocks and Insider Participation" and "Certain Relationships and Related
Transactions" in our proxy statement relating to our 2001 annual meeting of
stockholders and from Note 5 to the Financial Statements included in this annual
report on Form 10-K.

51


PART IV



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

(a) 1. FINANCIAL STATEMENTS

The financial statements are listed under Item 8 of this report.

2. FINANCIAL STATEMENT SCHEDULES

The financial statement schedules listed under Item 8 of this report
are omitted because they are not applicable or required information and are
shown in the financial statements of the footnotes thereto.

(b) REPORTS ON FORM 8-K

No reports on Form 8-K were filed during the fourth quarter of 2000.

(c) EXHIBITS



EXHIBIT
NUMBER DESCRIPTION OF DOCUMENT

3.1(1) Amended and Restated Certificate of Incorporation.
3.3(2) Amended and Restated By-laws of Genaissance
Pharmaceuticals, Inc.
4.1(3) Form of Common Stock Certificate.
4.2(3) Form of Common Stock Purchase Warrant, together with a
list of warrant holders.
10.1*(3) 2000 Amended and Restated Equity Incentive Plan.
10.1A*(3) Stock Option Plan.
10.2*(3) Employee Stock Purchase Plan 2000.
10.3(3) Form of Indemnification Agreement between Genaissance and
its directors.
10.4(3) Lease Agreement between Genaissance and Science Park
Development Corporation dated September 15, 1998.
10.5(3) Amendment No. 1 to Lease Agreement between Genaissance and
Science Park Development Corporation dated December 1,
1999.
10.6(3) Amendment No. 2 to Lease Agreement between Genaissance and
Science Park Development Corporation dated December 16,
1999.
10.7*(3) Genaissance 401(k) Plan.
10.8(3)(4) Collaboration Agreement between Genaissance and Telik,
Inc. dated February 11, 1998.
10.9(3) First Amendment to the Collaboration Agreement between
Genaissance and Telik, Inc. dated February 11, 1999.
10.10(3)(4) License Agreement between Genaissance and Visible
Genetics, Inc. dated November 21, 1996.
10.11(3)(4) Patent License Amending Agreement between Genaissance and
Visible Genetics, Inc. dated March 16, 2000.
10.12(3) Loan Agreement between Genaissance and Connecticut
Innovations, Incorporated dated September 15, 1998.
10.13(3) Loan Agreement between Genaissance and Connecticut
Innovations, Incorporated dated December 1, 1999.
10.14(3) Master Lease Agreement between Genaissance and Finova
Technology Finance dated September 1998, and attached
Schedules.
10.15(3) Letter Agreement with Finova Capital Corporation dated
January 24, 2000.
10.16(3) Master Equipment Lease Agreement between Genaissance and
Oxford Venture Finance dated June 10, 1999, and attached
Schedules.


52




EXHIBIT
NUMBER DESCRIPTION OF DOCUMENT

10.17(3) Master Lease Agreement between Genaissance and Newcourt
Financial USA Inc. dated March 26, 1999, and attached
Schedules.
10.18*(3) Employment Agreement with Gualberto Ruano dated August 24,
1998.
10.19*(3) Employment Agreement with Kevin Rakin dated August 24,
1998.
10.20*(3) Employment Agreement with Gerald F. Vovis dated April 15,
1999.
10.21*(3) Confidentiality and Non-Competition Agreement with Richard
Judson dated November 16, 1999.
10.22(3)(4) Strategic Alliance Agreement between Genaissance and
Sequenom, Inc. dated as of May 3, 2000.
10.23(3) Letter Agreement with Finova Capital Corporation dated
June 7, 2000.
10.24(3) Letter Agreement with Connecticut Innovations,
Incorporated dated June 2, 2000.
10.25(3)(4) Collaboration Agreement with Gene Logic, Inc. dated June
28, 2000.
10.26(3) Second Amended and Restated Registration Rights Agreement
with the purchasers of Series A and Series KBL Non-voting
Preferred Stock dated March 10, 2000.
10.27(3) Amended and Restated Registration Rights Agreement with
the purchasers of Series B and Series KBH Preferred Stock
dated March 10, 2000.
10.28(3) Registration Rights Agreement with purchasers of Series C
Preferred Stock dated March 10, 2000.
10.29(3) Amendment No. 3 to Lease Agreement between Genaissance and
Science Park Development Corporation dated June 1, 2000.
10.30(3) Purchase Agreement with Connecticut Innovations,
Incorporated dated March 10, 1994.
10.31(3) Financing Agreement with Connecticut Innovations,
Incorporated dated November 16, 1994.
10.32(3) Financing Agreement with Connecticut Innovations,
Incorporated dated September 10, 1996.
10.33(3) Agreement Concerning Conversion of Convertible Note and
Connecticut Presence with Connecticut Innovations,
Incorporate dated August 24, 1998.
10.34(3) Supplemental Agreement to Agreement Concerning Conversion
of Convertible Note and Connecticut Presence with
Connecticut Innovations, Incorporated dated November 23,
1999.
10.35(3) Letter Agreement with Connecticut Innovations Incorporated
dated February 17, 2000.
10.36(3) Loan and Security Agreement and Promissory Note with
Transamerica Business Credit Corporation dated April 30,
1999.
10.37*(5) Employment Agreement with Kenneth B. Kashkin dated
September 13, 2000.
10.38*(6) Promissory Note with Gualberto Ruano dated August 7, 2000.
10.39*(7) Promissory Note with Kevin Rakin dated August 7, 2000.
10.39*(8) Promissory Note with Kevin Rakin dated August 1, 2000.
10.41(4) Collaboration Agreement with Janssen Research Foundation
dated November 22, 2000. Filed herewith.
10.42 Third Loan Agreement with Connecticut Innovations,
Incorporated dated July 26, 2000. Filed herewith.
23.1 Consent of Arthur Andersen LLP. Filed herewith.
99.1 Important Factors Regarding Forward-Looking Statements.
Filed herewith.


- ------------------
* Indicates a management contract or compensatory plan.

(1) Filed as Exhibit 3.2 to Genaissance's Registration Statement on Form S-1
(File No. 333-35314) and incorporated herein by reference.

(2) Filed as Exhibit 3.4 to Genaissance's Registration Statement on Form S-1
(File No. 333-35314) and incorporated herein by reference.

(3) Filed as an exhibit with the same number to Genaissance's Registration
Statement on Form S-1 (File No. 333-35314) and incorporated herein by
reference.

(4) This exhibit has been filed separately with the Commission pursuant to an
application for confidential treatment. The confidential portions of this
exhibit have been omitted and are marked by an asterisk.

53


(5) Filed as Exhibit 10.3 to Genaissance's quarterly report on Form 10-Q (File
No. 000-30981) for the quarter ended September 30, 2000.

(6) Filed as Exhibit 10.1 to Genaissance's quarterly report on Form 10-Q (File
No. 000-30981) for the quarter ended September 30, 2000.

(7) Filed as Exhibit 10.2 to Genaissance's quarterly report on Form 10-Q (File
No. 000-30981) for the quarter ended September 30, 2000.

(8) Filed as Exhibit 10.4 to Genaissance's quarterly report on Form 10-Q (File
No. 000-30981) for the quarter ended September 30, 2000.



54


SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized, in the Town of New
Haven, Connecticut, on March 30, 2001.

GENAISSANCE PHARMACEUTICALS, INC.

By: /s/ Gualberto Ruano, M.D., Ph.D.
--------------------------------------
Gualberto Ruano, M.D., Ph.D.
Chief Executive Officer

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



SIGNATURE TITLE DATE
--------------- --------- ----------

/s/ Gualberto Ruano, M.D., Ph.D. Chief Executive Officer and Director
- -------------------------------------- (Principal Executive Officer) March 30, 2001
Gualberto Ruano, M.D., Ph.D.

/s/ Kevin Rakin President, Chief Financial Officer
- -------------------------------------- (Principal Financial and Accounting Officer)
Kevin Rakin and Director March 30, 2001

/s/ Jurgen Drews, M.D.
- --------------------------------------
Jurgen Drews, M.D. Chairman of the Board March 30, 2001

/s/ Michael Lytton
- --------------------------------------
Michael Lytton Director March 30, 2001

/s/ Harry H. Penner, Jr.
- --------------------------------------
Harry H. Penner, Jr. Director March 30, 2001

/s/ Seth Rudnick, M.D.
- --------------------------------------
Seth Rudnick, M.D. Director March 30, 2001

/s/ Christopher Wright
- --------------------------------------
Christopher Wright Director March 30, 2001


55


EXHIBIT INDEX


EXHIBIT
NUMBER DESCRIPTION OF DOCUMENT
--------- --------------------------------

3.1(1) Amended and Restated Certificate of Incorporation.
3.3(2) Amended and Restated By-laws of Genaissance Pharmaceuticals, Inc.
4.1(3) Form of Common Stock Certificate.
4.2(3) Form of Common Stock Purchase Warrant, together with a list of warrant holders.
10.1*(3) 2000 Amended and Restated Equity Incentive Plan.
10.1A*(3) Stock Option Plan.
10.2*(3) Employee Stock Purchase Plan 2000.
10.3(3) Form of Indemnification Agreement between Genaissance and its directors.
10.4(3) Lease Agreement between Genaissance and Science Park Development Corporation dated September 15,
1998.
10.5(3) Amendment No. 1 to Lease Agreement between Genaissance and Science Park Development Corporation
dated December 1, 1999.
10.6(3) Amendment No. 2 to Lease Agreement between Genaissance and Science Park Development Corporation
dated December 16, 1999.
10.7*(3) Genaissance 401(k) Plan.
10.8(3)(4) Collaboration Agreement between Genaissance and Telik, Inc. dated February 11, 1998.
10.9(3) First Amendment to the Collaboration Agreement between Genaissance and Telik, Inc. dated February
11, 1999.
10.10(3)(4) License Agreement between Genaissance and Visible Genetics, Inc. dated November 21, 1996.
10.11(3)(4) Patent License Amending Agreement between Genaissance and Visible Genetics, Inc. dated March 16,
2000.
10.12(3) Loan Agreement between Genaissance and Connecticut Innovations, Incorporated dated September 15,
1998.
10.13(3) Loan Agreement between Genaissance and Connecticut Innovations, Incorporated dated December 1, 1999.
10.14(3) Master Lease Agreement between Genaissance and Finova Technology Finance dated September 1998, and
attached Schedules.
10.15(3) Letter Agreement with Finova Capital Corporation dated January 24, 2000.
10.16(3) Master Equipment Lease Agreement between Genaissance and
Oxford Venture Finance dated June 10, 1999, and attached
Schedules.
10.17(3) Master Lease Agreement between Genaissance and Newcourt Financial USA Inc. dated March 26, 1999, and
attached Schedules.
10.18*(3) Employment Agreement with Gualberto Ruano dated August 24, 1998.
10.19*(3) Employment Agreement with Kevin Rakin dated August 24, 1998.
10.20*(3) Employment Agreement with Gerald F. Vovis dated April 15, 1999.
10.21*(3) Confidentiality and Non-Competition Agreement with Richard Judson dated November 16, 1999.
10.22(3)(4) Strategic Alliance Agreement between Genaissance and Sequenom, Inc. dated as of May 3, 2000.
10.23(3) Letter Agreement with Finova Capital Corporation dated June 7, 2000.
10.24(3) Letter Agreement with Connecticut Innovations, Incorporated dated June 2, 2000.
10.25(3)(4) Collaboration Agreement with Gene Logic, Inc. dated June 28, 2000.
10.26(3) Second Amended and Restated Registration Rights Agreement with
the purchasers of Series A and Series KBL Non-voting Preferred
Stock dated March 10, 2000.
10.27(3) Amended and Restated Registration Rights Agreement with the
purchasers of Series B and Series KBH Preferred Stock dated
March 10, 2000.
10.28(3) Registration Rights Agreement with purchasers of Series C Preferred Stock dated March 10, 2000.
10.29(3) Amendment No. 3 to Lease Agreement between Genaissance and Science Park Development Corporation
dated June 1, 2000.
10.30(3) Purchase Agreement with Connecticut Innovations, Incorporated dated March 10, 1994.
10.31(3) Financing Agreement with Connecticut Innovations, Incorporated dated November 16, 1994.

56




EXHIBIT
NUMBER DESCRIPTION OF DOCUMENT
--------- --------------------------------

10.32(3) Financing Agreement with Connecticut Innovations, Incorporated dated September 10, 1996.
10.33(3) Agreement Concerning Conversion of Convertible Note and Connecticut Presence with Connecticut
Innovations, Incorporate dated August 24, 1998.
10.34(3) Supplemental Agreement to Agreement Concerning Conversion of
Convertible Note and Connecticut Presence with Connecticut
Innovations, Incorporated dated November 23, 1999.
10.35(3) Letter Agreement with Connecticut Innovations Incorporated dated February 17, 2000.
10.36(3) Loan and Security Agreement and Promissory Note with Transamerica Business Credit Corporation dated
April 30, 1999.
10.37*(5) Employment Agreement with Kenneth B. Kashkin dated September 13, 2000.
10.38*(6) Promissory Note with Gualberto Ruano dated August 7, 2000.
10.39*(7) Promissory Note with Kevin Rakin dated August 7, 2000.
10.39*(8) Promissory Note with Kevin Rakin dated August 1, 2000.
10.41(4) Collaboration Agreement with Janssen Research Foundation dated November 22, 2000. Filed herewith.
10.42 Third Loan Agreement with Connecticut Innovations, Incorporated dated July 26, 2000. Filed herewith.
23.1 Consent of Arthur Andersen LLP. Filed herewith.
99.1 Important Factors Regarding Forward-Looking Statements. Filed herewith.

- ------------------
* Indicates a management contract or compensatory plan.

(1) Filed as Exhibit 3.2 to Genaissance's Registration Statement on Form S-1
(File No. 333-35314) and incorporated herein by reference.

(2) Filed as Exhibit 3.4 to Genaissance's Registration Statement on Form S-1
(File No. 333-35314) and incorporated herein by reference.

(3) Filed as an exhibit with the same number to Genaissance's Registration
Statement on Form S-1 (File No. 333-35314) and incorporated herein by
reference.

(4) This exhibit has been filed separately with the Commission pursuant to an
application for confidential treatment. The confidential portions of this
exhibit have been omitted and are marked by an asterisk.

(5) Filed as Exhibit 10.3 to Genaissance's quarterly report on Form 10-Q (File
No. 000-30981) for the quarter ended September 30, 2000.

(6) Filed as Exhibit 10.1 to Genaissance's quarterly report on Form 10-Q (File
No. 000-30981) for the quarter ended September 30, 2000.

(7) Filed as Exhibit 10.2 to Genaissance's quarterly report on Form 10-Q (File
No. 000-30981) for the quarter ended September 30, 2000.

(8) Filed as Exhibit 10.4 to Genaissance's quarterly report on Form 10-Q (File
No. 000-30981) for the quarter ended September 30, 2000.