PHARMAGENICS INC /DE/
10-K405, 1997-04-08
PHARMACEUTICAL PREPARATIONS
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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, 1996     Commission File Number: 0-20138

                               PHARMAGENICS, INC.
            (Exact name of Registrant as specified in its charter)
 
         Delaware                                           22-3072524 
(State or other jurisdiction of                          (I.R.S. Employer
incorporation or organization)                          Identification No.)

Four Pearl Court, Allendale, New Jersey                        07401   
(Address of principal executive offices)                    (Zip Code)

Registrant's telephone number, including area code: (201) 818-1000

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

         Series B Convertible Preferred Stock, par value $.01 per share
                             (Title of Class)

      Warrants to purchase shares of Common Stock, par value $.01 per share
                             (Title of Class)

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

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.  X
                             --- 

The aggregate market value of the registrant's voting stock (including the 
registrant's Common Stock, Series A Convertible Preferred Stock, Series B 
Convertible Preferred Stock and Series C Convertible Preferred Stock) held by 
nonaffiliates was approximately $9,300,000. Such computation was based, in 
the absence of public trading prices or published market quotations within 
the 60 days prior to the date of this report, upon the Company's internal 
estimate of the market value of such stock, which is based on the facts and 
circumstances of such valuation and which the Company believes is reasonable 
under the circumstances.

As of March 31, 1997, there were 455,108 shares of Common Stock, par value 
$.01 per share, 2,458,420 shares of Series A Convertible Preferred Stock, par 
value $.01, 2,227,263 shares of Series B Convertible Preferred Stock, par 
value $.01, and 4,717,700 shares of Series C Convertible Preferred Stock, par 
value $.01, outstanding.

The Index to Exhibits begins on page 41.


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                                     PART I

ITEM 1.   BUSINESS
 
GENERAL
 
    PharmaGenics, Inc. (the "Company") is an integrated drug discovery 
company engaged in the research and development of pharmaceuticals for the 
treatment of cancer as well as other human diseases. The Company's research 
programs in cancer center upon certain key genes, called "tumor suppressor 
genes", that are responsible for the production of proteins that generally 
function to prevent the unregulated growth of cells. The Company employs 
proprietary technologies to identify and target tumor suppressor genes and 
related genes in search of desirable therapeutics against cancer and other 
diseases.
 
    The Company was incorporated under the laws of the State of Delaware in 
August 1989 and commenced operations in July 1990. The Company's principal 
executive offices are located at Four Pearl Court, Allendale, New Jersey 
07401, and its telephone number is (201) 818-1000.
 
RECENT DEVELOPMENTS--PROPOSED MERGER WITH GENZYME CORPORATION
 
    To fund its operations since inception, the Company has obtained capital 
through several private placements of equity, raising approximately $26.5 
million. These funds have enabled the Company to pursue internal research, 
fund and obtain technology rights from academic institutions and pursue 
research and development collaborations with other companies. As a result of 
these efforts, the Company has been able to generate license/royalty and 
research funding revenues of approximately $6.6 million (including research 
and development funding from PaineWebber R&D Partners III, L.P.) since 
inception.
 
    Although the Company has been successful in generating funding to 
maintain its operations, in order to optimize the development of and exploit 
its technologies, management of the Company has always been aware that the 
Company would either have to raise large amounts of capital through equity 
offerings or search for alternative sources of capital. One way the Company 
attempted to obtain additional funding was to establish collaborative 
relationships in which funding would be provided to the Company in exchange 
for sharing of rights to the technology that might be developed from the 
research supported by such funding. In particular, the Company has recently 
attempted to raise funds by providing SAGE technology services to other 
companies on a fee basis, but, to date, has not generated significant SAGE 
service revenues.
 
    Throughout its history, the Company has contacted many companies to 
determine their interest in a collaboration. The Company held preliminary 
discussions with several of these companies, but few of these discussions 
gave rise to a definitive proposal or agreement with respect to a 
transaction, and the financial proceeds from the collaborations that have 
been established (see "Principal Collaborative Agreements") have not been 
sufficient to sustain the Company's operations. As the exploration of 
alternatives continued, it became apparent to the Company that gaining access 
to equity capital on reasonable terms was becoming more and more difficult, 
particularly since the Company had been operating for several years yet still 
lacked clinical-stage therapeutics.
 
    In early May 1996, representatives of the Company and Genzyme Corporation 
("Genzyme") met to discuss opportunities for potential collaborations 
relating to use of the SAGE technology in conjunction with Genzyme's cancer 
gene therapy programs. These discussions evolved into preliminary merger 
discussions, which resulted in the Company and Genzyme entering into a letter 
of intent, dated October 29, 1996, reflecting an agreement in principle for 
Genzyme to acquire the Company. Throughout the remainder of 1996 and early 
1997, Genzyme and the Company negotiated the definitive terms of the 
acquisition.
 
    On February 3, 1997, the Company and Genzyme announced that they had 
entered into an Agreement and Plan of Merger, dated as of January 31, 1997, 
(the "Merger Agreement") pursuant to which the Company, on the


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    terms and conditions set forth in the Merger Agreement, is to be merged 
with and into Genzyme (the "Proposed Merger"). As consideration for the 
Proposed Merger, Genzyme is to issue approximately 4,000,000 shares (subject 
to certain adjustments set forth in the Merger Agreement) of a new Genzyme 
security (the "GMO Stock"), representing 40% of the initial equity interest 
in a new division of Genzyme, to be known as the Genzyme Molecular Oncology 
division (the "GMO Division"), and to be formed within Genzyme through the 
combination of the business of the Company with several of Genzyme's oncology 
programs. An additional 6,000,000 shares (subject to adjustment) of GMO Stock 
will be issued for the benefit of the General Division of Genzyme or its 
stockholders. The GMO Stock will be "tracking stock," which is Genzyme common 
stock that is intended to reflect the value, and track the performance, of 
the GMO Division.
 
    Because the Certificate of Incorporation of the Company requires that, in 
a transaction such as the Proposed Merger, an aggregate merger preference be 
provided to holders of the outstanding shares of Preferred Stock before any 
amounts can be provided to holders of outstanding shares of Common Stock, and 
because such aggregate merger preference exceeds the aggregate value of the 
4,000,000 shares of GMO Stock to be issued in the Proposed Merger (based on 
the valuation given the GMO Stock under the Merger Agreement), no shares of 
GMO Stock are available for allocation to holders of the outstanding shares 
of Common Stock. The applicable share exchange ratio to be used to convert 
the outstanding shares of Preferred Stock into GMO Stock, upon effectiveness 
of the Proposed Merger, is set forth in the Merger Agreement and, as also set 
forth in the Merger Agreement, upon effectiveness of the Proposed Merger, the 
outstanding shares of Common Stock will be cancelled. The Proposed Merger 
currently is expected to be completed in May 1997, subject to approval by the 
stockholders of the Company and Genzyme, and certain other conditions. As 
required by the Merger Agreement, directors, officers and certain other 
stockholders of the Company have entered into stockholder agreements with 
Genzyme pursuant to which they have agreed to vote in favor of the Proposed 
Merger. The number of shares subject to such agreements is sufficient for 
approval of the Proposed Merger by the stockholders of PharmaGenics.
 
    The Company's decision to enter into the Merger Agreement was 
substantially influenced by the Company's belief that the Company's 
precarious financial condition (see "Item 7. Management's Discussion and 
Analysis of Financial Condition and Results of Operations: Financial 
Condition, Liquidity and Capital Resources" and the paragraph below 
concerning the report of the Company's independent accountants) and the 
absence of viable alternatives to raising additional capital made it unlikely 
that the Company could fulfill its business objectives as an independent 
company.
 
    As a result of the Company's continued operating losses and lack of 
available capital resources, the report of the Company's independent 
accountants on the financial statements included elsewhere herein includes an 
explanatory paragraph that such conditions raise substantial doubt as to the 
Company's ability to continue as a going concern. In the event the Proposed 
Merger is not completed, the absence of other viable strategic alternatives 
and the present precarious financial condition of the Company raise 
substantial doubt as to the ability of the Company to continue its operations 
for more than several months. As a result, in the event the Merger is not 
completed, the Company will need to obtain additional financing to continue 
its operations, and there can be no assurance that financing would be 
available. The Company may need to obtain funds through arrangements with 
collaboration partners or others that may require the Company to relinquish 
rights to certain of its technologies. If additional funding is not obtained, 
the Company would be required to significantly curtail its research 
activities and eventually cease operations altogether. See "Item 7. 
Management's Discussion and Analysis of Financial Condition and Results of 
Operations" and the financial statements and notes thereto.
 
SCIENTIFIC BACKGROUND
 
    CANCER OVERVIEW
 
    Cancer is a disease characterized by uncontrolled cell division resulting 
in the development of an abnormal mass of cells, commonly known as a tumor. 
The information that controls cellular activities, including cell division, 
is contained within the nucleus of the cell, in chromosomal structures known 
as genes. Genes are comprised of

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DNA; copies of each gene's DNA, called mRNA, are produced in one or more cell 
types of an organism (a process called "gene expression") and provide the 
information necessary to generate a protein corresponding to that gene.
 
    At least two types of genes are involved in cell division. One type, 
oncogenes, produces growth-promoting proteins; the other type, tumor 
suppressor genes, produces proteins that suppress growth. The relevant 
proteins act at locations within the cell, on the cell surface or outside the 
cell after being secreted. In normal cells, the control of cell division, 
among other events, appears to depend upon a carefully balanced interplay 
between oncogenes and tumor suppressor genes. Cancer results from the 
overproduction or improperly regulated function of proteins encoded by 
oncogenes and/or the inability to produce sufficient quantities of active 
proteins encoded by tumor suppressor genes.
 
    Although important strides have been made in cancer treatment, there 
remains a clear need for the development of new therapies that are more 
potent against tumor cells and less toxic to normal cells. As genomics 
facilitates a more thorough survey of therapeutically-relevant regulatory 
genes that function either through negative or positive controls, the Company 
believes that new targets and sophisticated technologies for the development 
of novel and specific therapies should result in more effective therapeutic 
approaches to cancer. Equally importantly, this approach to identifying and 
targeting negatively and positively controlling genes in cancer can be used 
similarly in other therapeutic areas.
 
    Evidence has been presented to indicate that the transition of cells from 
the normal to the malignant state is usually not abrupt but is rather a 
progression of steps, each involving the dysfunction of one or more 
cancer-related genes. Furthermore, some of the specific genes involved are 
likely to differ depending upon cancer type or tissue of origin. A number of 
the relevant genes are tumor suppressor genes. Some of the known tumor 
suppressor genes appear to be specific to certain types of cancer, whereas 
other tumor suppressor genes appear to have a much broader spectrum of 
involvement in the initiation of, and progression to, malignancy. Tumor 
suppressor genes encode proteins that are found in various locations in the 
cell, including in the nucleus, in the cytoplasm and on the cell surface. 
While certain functions of tumor suppressor genes remain to be elucidated, 
the distribution of their encoded proteins suggest that they function at 
several levels to regulate cell division.
 
    Loss of function of one tumor suppressor gene, called p53, has emerged as 
one of the most universal molecular events in cancer. For example, mutations 
in p53 are associated with the development of over 50% of all tumors, 
including approximately 70% of colorectal, 55% of lung, and 25% of breast 
cancers. Furthermore, p53 status is a good prognostic indicator of tumor 
aggressiveness in a range of cancers including colon, lung, cervix, bladder, 
prostate, breast and skin. In these cancers, defective p53 is correlated with 
metastasis and poor five-year survival rates. In addition, in numerous tumor 
types, there is evidence that even if p53 protein is not mutated, it can be 
functionally impaired by virtue of its interaction with other proteins. The 
central role of p53 in the biology of cancer suggests, and recent discoveries 
have verified, that genes in a molecular pathway controlled by p53, or other 
genes with functions similar to that of p53, also play a key role in the 
biology of normal and aberrant cell growth.
 
    Many normal cell types (e.g., cells of the skin, immune system and 
digestive tract) must retain the ability to divide, albeit in a controlled 
fashion, in order to ensure good health for an individual. Whereas tumor 
suppressor genes have a negative effect on cell growth, a large group of 
genes encodes proteins that are involved in promoting cell division. The 
process of cell division is initiated by proteins encoded by a subgroup of 
these genes; these proteins are called growth factors. Growth factors are 
generally secreted proteins that promote cell division by docking onto cell 
surface receptors.
 
    Following the interaction of a growth factor with its receptor, the complex
can move into the cell and initiate a complex series of events that ultimately
result in cell division. This series of events is considered to follow along a
signal transduction pathway. Different cell types possess a variety of receptors
that allow growth factors to selectively activate cell division; however, many
growth factors and their receptors fall into families whose members share
structural and functional similarities. Although it is not yet clear just how
varied signal transduction

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factors are, it appears that members of signal transduction pathways share 
common structural and functional characteristics; it is also apparent that 
signal transduction pathways can be used to trigger several processes of 
cellular behavior, not just growth. This creates the puzzle of how signaling 
processes are correctly translated into appropriate cellular responses.
 
    Abnormal cell growth can be triggered by overproduction of growth factors 
or their receptors. In such instances, the overproducing genes are often 
recognized as "transforming" oncogenes and are associated with malignancy. 
Receptors can also be mutated into transforming oncogenes; for example, they 
can initiate the signal to trigger cell division even when they are not in 
contact with their cognate growth factor. Many growth factors, or their 
receptors, have been implicated in animal cancers, but a small number of such 
proteins appear to have a widespread role in human disease. It is notable 
that some growth factors that might be relevant as human oncogenes need not 
directly stimulate proliferation of tumor cells, but might do so indirectly, 
for example, by promoting growth of blood vessel cells (blood vessels are 
required to provide nutrients to the growing tumor mass).
 
    Just as growth factors and their receptors can act as oncogenes when 
their concentration or function is unbalanced, so too can members of signal 
transduction pathways acquire such oncogenic properties. One such oncogene, 
ras, appears to be implicated in about one-third of human cancers. Finally, 
although tumor suppressor genes and oncogenes normally regulate each other in 
a harmonious fashion, at least some genes, such as MDM2, act as oncogenes 
when they are overproduced, apparently by being excessively efficient in 
neutralizing the effect of tumor suppressor genes such as p53.
 
    In recent years, Drs. Bert Vogelstein and Kenneth Kinzler of The Johns 
Hopkins University School of Medicine ("JHU") and others have provided 
evidence that the progression of cells from their normal state, to a benign 
tumor and finally to a fully developed cancer is the result of a progressive 
alteration of genetic information caused by mutations that can result in: 
loss of a tumor suppressor gene; decrease in the amount of protein product of 
a tumor suppressor gene; increase in the amount of protein product of an 
oncogene; or production of a functionally altered oncogene protein or tumor 
suppressor gene protein. Although cancer appears to result from multiple 
mutational events, experiments by several investigators, including Drs. 
Vogelstein and Kinzler, suggest that inactivation of a single abnormal 
oncogene of a cancer cell or restoration to a cancer cell of a single tumor 
suppressor gene can prevent the growth of, or even cause the death of, the 
cancer cell. Accordingly, the Company believes that through specific 
molecular targeting, a single drug or a combination of a few drugs capable of 
bringing about such a result might effectively control cancer.
 
    A combination of diagnostic and therapeutic strategies based upon 
cancer-related genes could have a profound impact upon the management of 
cancer. Diagnostic tests are already available, or can be readily developed, 
for several of the cancer-related genes currently being targeted by the 
Company. As drugs become available to treat cancers resulting from the 
malfunction of specific genes, the oncologist will be able to match the 
appropriate therapeutic approach to the patient's specific gene defect, 
significantly improving the likelihood of treatment benefit. High response 
rates should, in turn, ensure a strong market for cancer-gene-based 
diagnostics and therapeutics. This "pharmacogenetic" approach is an important 
trend for a variety of genetically-determined diseases.

    CANCER THERAPIES
 
    Treatment of human cancer currently involves surgery, radiation therapy, 
chemotherapy or, in many cases, some combination of these methods. Surgery is 
a common method of treatment when the tumor remains localized to the site of 
its origin. Chemotherapy and radiation are general methods of treatment when 
the disease begins to spread throughout the body by a process known as 
metastasis. These agents are sometimes helpful in treating cancer but in many 
other instances either fail to reverse tumor growth or do so only on a 
transient basis.
 
    Recent studies suggest that the therapeutic effects of chemotherapy or
radiation therapy can depend upon the ability of cancer cells to trigger a set
of events leading to programmed cell death (apoptosis). It has been


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proposed that relatively low doses of radiation or chemotherapeutic agents 
will kill tumor cells provided that an appropriate apoptotic pathway is 
intact. On the other hand, if the apoptotic pathway either fails to be 
activated or is defective, much higher doses are generally administered. 
These high doses typically cause severe side effects by killing normal cells, 
such as those of the immune system and the digestive tract, thereby limiting 
the utility of such anti-cancer treatments. The p53 tumor suppressor protein 
appears to be responsible for activating an apoptotic pathway in response to 
treatment with radiation or chemotherapy. Consistent with this observation is 
the finding that cells lacking p53 tend to be more resistant to treatment 
than cells possessing normal p53 function.

    GENE THERAPY

    One strategy under consideration by the Company for restoring lost tumor 
suppressor gene function is gene therapy. Gene therapy is an emerging 
approach to the treatment of disease in which a gene is inserted into a 
patient's cells to induce these cells to produce a therapeutic protein. Gene 
therapy could therefore be used to treat certain diseases, including cancer, 
by producing a missing functional protein through the replacement of the 
missing or defective gene. Gene therapy can employ certain viruses, capable 
of introducing genes into cells, that are genetically manipulated to replace 
certain viral genes with the desired genes, such as those that express 
therapeutic proteins. These viral vectors, once inserted into cells, cannot 
reproduce and infect other cells. Other means of introducing genes into cells 
include the use of chemical carriers called "liposomes."
 
    PATHWAYS TO DRUG DISCOVERY
 
    Drugs are chemical agents that generally derive their therapeutic effect 
by interacting with a molecular target to alter the target's activity. 
Typically, the molecular target is one of the thousands of proteins involved 
in carrying out the physiological functions of humans or infectious 
organisms. The interaction between a drug and a molecular target is primarily 
determined by their structural fit; an ideal drug binds selectively and 
tightly to its molecular target. A drug that binds selectively to its target 
is less likely to interact with non-targeted molecules, thereby reducing the 
likelihood of undesirable side effects. A drug that binds tightly to its 
molecular target will often require lower doses to achieve a therapeutic 
effect than another drug that binds less tightly to the same target.
 
    The procedure leading to drug discovery can involve rational drug design, 
high-throughput screening or a combination of the two. Although 
high-throughput screening has historically been successful, it is 
labor-intensive and expensive. In addition, since such approach depends in 
large part upon chance, there is no assurance of success.
 
    The Company's scientists have been designing an integrated approach to 
drug discovery that involves "SAGE", a system for the identification of 
differentially-expressed genes through efficient, high-speed comparative 
analysis, "CADENCE", a high-throughput assay design and implementation 
process to enhance compound evaluation, and "COMPILE", a combinational 
chemistry procedure to identify lead compounds from among very large and 
diverse chemical libraries.

    SAGE. A key challenge in the drug discovery process is to identify and 
characterize targets that are therapeutically relevant to disease. Targets of 
obvious interest are genes that are differentially expressed in normal versus 
diseased cells or tissues, since genes that are equivalently functional in 
normal and diseased tissue are unlikely to cause disease. Several approaches 
have been devised for determination of differential expression, among them 
subtractive hybridization, differential display and differential transcript 
imaging. Whereas the first two of these technologies depend upon experimental 
manipulation to determine whether a gene is expressed in one mRNA transcript 
population but not in another, the third is, in effect, an electronic 
subtraction procedure. Differentially-expressed genes can be, and have been, 
successfully identified by the above approaches, but all of them have 
technical limitations.
 
    Transcript imaging involves computerized comparisons of the presence or
absence of ESTs (Expressed Sequence Tags) between two transcript libraries to
generate differential expression information. It is then necessary


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to determine the association or non-association of ESTs with a particular 
transcript (this effort is complicated by the fact that transcripts are often 
represented by multiple ESTs). Transcript imaging is limited by a restriction 
on the number of ESTs that can be analyzed.
 
    SAGE (Serial Analysis of Gene Expression) was designed and developed by 
Drs. Kinzler and Vogelstein and their colleagues at JHU, and the relevant 
technology and filed patents have been licensed exclusively to the Company. 
SAGE represents a combination of three independent inventions that, when 
combined, offer significant advantages, including increased information and 
improved efficiency, over other differential expression technologies. The 
first innovation allows the assignment to each different transcript of a 
virtually unique tag that is considerably smaller than an EST. In the second 
innovation, these tags are then randomly paired to form "ditags" to eliminate 
quantitative bias. The third invention involves stringing ditags together 
like pearls in a necklace, "punctuated" to indicate where one ditag ends and 
the next one begins, prior to cloning and sequencing.
 
    In this method, SAGE tags are prepared, paired as ditags, combined, 
cloned and sequenced. SAGE software then extracts quantitative and 
qualitative sequence information about the tags and matches tags with 
transcripts, genes or ESTs based upon information available in public 
databases. If there is interest concerning a tag that does not correspond to 
a known transcript or gene, the cDNA representing the appropriate transcript 
can generally be obtained within days by using materials already generated 
during the SAGE procedure. The Company believes that SAGE is more thorough, 
rapid, efficient and cost-effective than other existing technologies. SAGE is 
being implemented in a cooperative manner by scientists at the Company and 
JHU to characterize genes that are differentially expressed when normal 
tissues become cancerous. Although the technology was not implemented at the 
Company and at JHU until late in 1995, more than one million SAGE tags have 
already been sequenced and cataloged. There can be no assurance, however, 
that the program will result in the development of commercial products.
 
    CADENCE.  When devising strategies for treating or diagnosing disease, it 
is helpful to understand the differences between molecular cause and effect. 
Useful therapies and diagnostic tests can be developed by targeting the 
manifestations or symptoms of a disease, or by targeting the cause of the 
disease and preventing the onset of symptoms, with the latter being 
preferable. Although cancer is widely characterized by the uncontrolled 
growth of cells, it is only recently that scientists have begun to understand 
what causes this uncontrolled growth. Thus, faced with recognition of the 
result of the disease (uncontrolled growth) without a clear understanding of 
the causes, scientists for years have been attempting to develop treatments 
to hinder or slow the growth of cancer cells. However, since they are in 
large part designed to kill rapidly-dividing cells, the value of most of 
these treatments is limited by undesirable side effects on cells such as 
those of the immune and digestive systems, which normally divide rapidly and 
depend upon this property for normal function.
 
    Although symptoms of a disease are generally recognizable, and sometimes 
treatable, it is not always straightforward to pinpoint cause, particularly 
at the molecular level. As noted above, a difference between the expression 
of a gene in a normal versus a diseased tissue makes that gene a potential 
suspect. The same is true for a gene that has been mutated in a diseased 
tissue. However, a differentially-expressed or mutated gene is not 
necessarily responsible for a disease, nor will it necessarily be an optimal 
therapeutic and/or diagnostic target, unless it can be causally implicated.

    Thus, once a candidate gene has been identified, via SAGE or any other 
approach, a detailed series of experimental steps is usually necessary in 
order to develop a drug candidate. CADENCE (Customized Assay Design for 
ENhancing Compound Evaluation) does not describe a set protocol for producing 
a drug candidate but rather reflects a customized procedure that must 
generally be pursued with a target gene to design and implement a drug 
discovery effort based upon knowledge of the function and dysfunction of that 
gene. Briefly, the procedure involves (a) establishing causal associations 
between altered gene function and disease; (b) producing gene products and 
other relevant reagents, including cultured cells, for targeting; and (c) 
designing and implementing appropriate assays for evaluation of therapeutic 
candidates, including in vitro and animal models.


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    COMPILE.  Conventional drug discovery methodologies have 
characteristically relied upon screening of natural product extracts and 
collections of small organic molecules from previous syntheses to produce 
lead candidates. Despite the advent of automated screening technology, this 
process remains time-consuming and expensive and the rate of lead discovery 
is low.
 
    One way to address the limitations of conventional screening 
methodologies is through the use of combinatorial chemistry technology. 
Combinatorial chemistry-based drug screening is a rapid and efficient 
procedure by which vast and highly diverse libraries of candidate compounds 
can be synthesized in the laboratory, often in an automated fashion, and then 
tested for activity against therapeutically-relevant targets. Once an active 
compound has been identified, or if structural information about the target 
is available, specialized libraries can be generated to optimize or speed 
lead selection.
 
    Combinatorial libraries were originally comprised of well-known polymeric 
molecules such as peptides or oligonucleotides (small pieces of genetic 
material). In the case of the Company's early efforts, oligonucleotides were 
used. It was determined that relatively active oligonucleotides could be 
found against several targets, but these oligonucleotides were large (which 
restricts their distribution through the body and ease of cell penetration) 
and susceptible to enzymatic degradation. More recently, the Company has 
focused its combinational chemistry efforts on libraries containing smaller, 
more drug-like, molecules.
 
    Company scientists have been developing COMPILE (COMbinatorial Procedure 
for Indirect Ligand Elucidation), an integrated and systematic approach to 
combinatorial chemistry and the Company has filed patents relating to this 
technology. COMPILE is being designed to include a prescreen to identify the 
most suitable libraries for use against a chosen target; a procedure that is 
broadly applicable to virtually any type of combinatorial chemistry library 
for selecting and identifying compounds that bind best to a target; and 
automated techniques for rapid production of diverse chemical libraries. The 
Company has assembled COMPILE master libraries containing, in the aggregate, 
millions of compounds of relatively low molecular weight and extensive 
chemical diversity, raising the possibility that selected compounds will be 
novel and have attractive pharmacological properties, including in many cases 
ease of cell permeability and oral availability. The compounds in some of 
these libraries are potentially suitable as lead products against certain 
targets because they are relatively small, chemically diverse and are not 
expected to be readily susceptible to enzymatic degradation. The Company 
believes that, once fully implemented, its integrated, combinatorial 
chemistry-based drug discovery strategy will constitute a highly efficient 
and effective mass screening technology. There can be no assurance, however, 
that such strategy will result in the development of commercially-usable 
products.

BUSINESS STRATEGY
 
    PRODUCT DEVELOPMENT STRATEGY
 
    The Company is focusing on the research and development of cancer 
therapeutics. Through its collaboration with Drs. Vogelstein and Kinzler and 
its past and present agreements with JHU, the Company has gained access to 
filed and issued patents, proprietary information, technology, reagents and 
test systems relevant to tumor suppressor genes and other cancer-related 
genes. One such gene in particular, p53, is believed to play a central role 
in the onset and progression of a wide variety of cancers. Accordingly, the 
Company has initiated a program to develop therapeutics based upon p53 
technology.
 
    The Company is seeking in the first instance to improve approaches to 
cancer therapy by generating treatments that would selectively and directly 
block the growth or spread of certain types of cancer by restoring the 
activity of the p53 tumor suppressor gene. Such treatments might either be 
effective on their own or might increase susceptibility of cancer cells to 
conventional chemotherapy or radiation therapy regimens. The Company is 
exploring two primary therapeutic approaches involving p53 and other tumor 
suppressor genes: small molecule-based restoration of gene function and gene 
therapy. The Company has conceived of drug-mediated approaches to restore 
lost tumor suppressor gene function and has developed assays to screen for 
compounds that restore p53 function.

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These assays and/or reagents used therein are the subjects of patents 
licensed to the Company that have been issued by the U.S. Patent and 
Trademark Office (the "PTO"). The Company has established collaborations with 
Xenova Limited ("Xenova") and Boehringer-Mannheim GmbH ("Boehringer") to 
screen their small molecules and/or natural extracts for activity in these 
assays, and a first generation of lead compounds has been discovered.
 
    By placing a properly functioning tumor suppressor gene into cancer 
cells, the Company believes that lost tumor suppressor gene function can be 
restored. Currently, a major challenge of gene therapy in cancer is the 
development of procedures for ensuring that the therapeutic gene penetrates 
the vast majority of tumor cells. In addition, generation of 
clinically-relevant animal model systems is highly desirable so that the 
likelihood of success of gene therapy approaches can be evaluated prior to 
the commencement of clinical trials. The Company has entered into a 
collaboration with Genetic Therapy, Inc. ("GTI") to evaluate 
commercialization feasibility of p53 gene therapy. The Company and GTI and 
their respective collaborators have been carrying out pivotal preclinical p53 
gene therapy experiments to provide insight into the likelihood of the 
clinical success of p53 gene therapy. The Company has completed its studies 
and is awaiting completion of the GTI studies, at which time GTI will make a 
decision regarding clinical evaluation.
 
    The Company has been using its broadly-enabling combinatorial chemistry 
technologies in efforts to discover specific lead compounds that block the 
function of targets relevant to cancer as well as other diseases. Through 
this approach, oligonucleotide-based libraries were initially used and 
compounds have been identified that interact specifically with selected 
target proteins to affect the activity of such targets. Although lead 
compounds were found, they presented marked difficulties in efforts to 
optimize these compounds for clinical suitability. Accordingly, the Company 
has shifted its strategy to evaluating libraries of more amenable compounds 
and is currently addressing technical issues that will allow effective 
surveillance of such libraries.
 
    PRODUCT DISCOVERY STRATEGY
 
    In addition to its product development activities, the Company is 
strategically positioned to benefit from its integrated drug discovery 
capabilities. With capabilities in genomics, high-throughput assay design and 
implementation and combinatorial chemistry, the Company is attempting to 
expand its discovery collaborations with other pharmaceutical and 
biotechnology companies. Such collaborations could focus on particular 
aspects of the discovery process or the entire continuum. The Company 
believes that its capabilities can be utilized in these collaborations to 
generate revenues which can be used to further the Company's product 
development activities. There can be no assurance, however, that the Company 
will be able to expand its discovery collaborations to generate revenues.
 
    Successes in the biotechnology industry have characteristically favored 
companies with novel skills and efficient operations despite the competitive 
advantages of pharmaceutical companies which are typically larger and have 
substantially greater financial resources and broader research capabilities. 
At the extremes, biotechnology companies have attempted to follow one of two 
models of success: (a) companies that develop successful products in-house 
more rapidly and cost-effectively than pharmaceutical companies and other 
biotechnology companies; and (b) companies that offer innovative technical 
services to major pharmaceutical companies and other biotechnology companies, 
creating value through collaborative payments and royalties. The former model 
offers the opportunity to provide a significant return on investment if the 
therapeutic strategy is correct, but becomes progressively more risk-oriented 
as less predictable strategic targets remain to be pursued. In the latter 
model, the technology base of the Company reduces the risk of failure, but 
involves slower financial growth due to smaller profit margins. The Company 
believes that its dual-objective strategy enables the Company to seek a 
balance between these two models. There can be no assurance, however, that 
the Company's dual-objective strategy will lead to commercial success.


                                       9

<PAGE>


RESEARCH AND DEVELOPMENT PROGRAMS

    The following table summarizes the Company's principal research and
development programs relating to its current compounds and targets:
 
<TABLE>
<CAPTION>

         PROGRAM                       APPROACH                  DISEASE                STATUS
- -------------------------------------------------------------------------------------------------------------
<S>                            <C>                             <C>              <C>
p53                            Gene therapy                    Cancer           Preclinical development
- -------------------------------------------------------------------------------------------------------------
p53                            Restoration of function         Cancer           Discovery
- -------------------------------------------------------------------------------------------------------------
MDM2                           Inhibition                      Cancer           Lead compound
- -------------------------------------------------------------------------------------------------------------
WAF1                           Substitution of function        Cancer           Discovery
- -------------------------------------------------------------------------------------------------------------
New p53-regulated              Gene therapy/                   Cancer           Discovery 
genes                          Substitution of function                       
- -------------------------------------------------------------------------------------------------------------

</TABLE>

    In the above table, "preclinical development" includes testing of lead 
compounds for activity in preclinical in vitro, ex vivo and in vivo disease 
models. Additional assessments must generally be undertaken to optimize 
certain biological criteria for therapeutic utility prior to the commencement 
of human clinical trials. "Lead compound" refers to a compound or series of 
compounds that have met predetermined activity criteria in preliminary in 
vitro models. More extensive evaluation of lead compounds must generally be 
undertaken to determine if they have the requisite properties to enter 
preclinical development. "Discovery" activities include the development of 
screening assays, the testing of compounds in such assays and the detection 
of active compounds. Any of the Company's research and development programs 
may be discontinued, replaced or supplemented, depending upon results of 
testing and analysis.

    p53
 
    The p53 gene was discovered in 1979 and was originally believed to be an 
oncogene. In 1989, Dr. Vogelstein and his colleagues discovered that p53 was 
subtly mutated in numerous tumors. Dr. Vogelstein and others also provided 
evidence that the normal version of the gene might actually prevent tumor 
onset and growth of tumor cells. As a result, the p53 gene is now understood 
to be a tumor suppressor gene. Currently, p53 is thought to be among the most 
commonly mutated genes in human cancer. Researchers have found p53 mutations 
in tumors of almost every variety including cancers of the colon, lung, skin, 
prostate, ovaries, cervix, breast, brain, bone, blood cells and bladder. Dr. 
Vogelstein and others have estimated that p53 mutations occur in at least 50% 
of all cancers.
 
    Normally, when cells are damaged, their division can be slowed or stopped 
at specific "checkpoints" so as to reduce the incidence of gene mutation. One 
such checkpoint exists just prior to DNA synthesis. The p53 protein is 
believed to be a critical component of this checkpoint: when cells are 
exposed to conditions that might lead to DNA damage, the p53 protein triggers 
a series of events that appears to slow or stop cell division. Under extreme 
conditions of environmental insult and in certain cells, including certain 
cancer cells, p53 protein appears to trigger a pathway that leads to 
apoptosis.
 
    The p53 gene expresses a protein that, when functional, binds to and 
thereby triggers expression of a number of genes, the products of which are 
important in the control of cell division. In tumors with mutated p53 
function, the p53 gene expresses an altered form of the protein that fails to 
bind to the appropriate genes. As a result, certain regulatory genes are not 
turned on and an important pathway for controlling cell division is 
unavailable.

                                       10

<PAGE>


    RESTORATION OF FUNCTION.  The Company has developed high-throughput 
screening assays to identify small molecules that can restore mutated p53 
protein to an active form. The Company has initiated use of these assays in 
collaborative efforts to identify compounds with the potential for restoring 
p53 function.
 
    GENE THERAPY.  By placing a functional p53 gene into cancer cells, the 
Company believes that lost p53 function can be restored and unregulated cell 
division can be curtailed. The Company has entered into a license agreement 
with GTI, in which the Company has sublicensed to GTI its rights to gene 
therapy applications for p53. The Company and GTI have been evaluating in 
animal model systems different approaches to delivering p53 genes to cancer 
cells and determining the effects of such treatments upon tumor growth, and 
the Company expects GTI to make a decision in 1997 concerning the initiation 
of clinical trials.
 
    MDM2
 
    The MDM2 oncogene encodes a protein that binds to the p53 protein, 
preventing it from activating genes that can control cell division. 
Accordingly, elevated levels of MDM2 protein might inactivate p53 protein by 
preventing it from carrying out its normal functions. Drs. Vogelstein and 
Kinzler and their colleagues have discovered elevated levels of MDM2 protein 
in cancers known as sarcomas. Other investigators have since found evidence 
for overexpression of MDM2 in cells of other cancers, including neural, 
bladder, renal and breast cancers, as well as leukemias. The Company and its 
collaborators have been using a high-throughput assay to identify small 
molecules that block the undesirable interaction between normal p53 protein 
and excessive levels of MDM2 protein in cancer cells. In addition, the 
Company is using combinatorial chemistry approaches to identify compounds 
that block the MDM2/p53 interaction. The Company on its own, and a 
collaborator, have identified compounds in initial screens that appear to 
block the interaction between MDM2 and p53. Some of these compounds are now 
being tested in cell-based systems. An inhibitor that blocks the undesirable 
interaction between MDM2 and p53 could be useful in the treatment of patients 
who would not benefit from drugs targeting mutant p53.
 
    WAF1
 
    WAF1 is a gene that is activated by p53 protein. The protein encoded by 
the WAF1 gene appears to interfere with the activity of a group of enzymes 
called cyclin-dependent kinases. Cyclin-dependent kinases, in turn, interact 
with a group of proteins, called cyclins, that play a direct role in cell 
division. This particular mechanism for controlling cell division appears to 
be initiated only if normal p53-gene activity is present. This cell division 
pathway thus provides the Company with a number of alternative targets for 
cancer treatment. The Company is developing high-throughput assays to 
identify small molecules that block this cell division pathway.

    ADDITIONAL CANCER-RELATED TARGETS
 
    Investigators at the Company have discovered a number of genes that are 
under the control of p53. Some of these genes have not been publicly 
identified, while others are known genes not previously reported to be 
regulated by p53. Certain of these genes, when transferred into human 
colorectal cancer cells under particular culture conditions, have 
demonstrated the ability to block the cells from dividing and/or to promote 
apoptosis. As a result, the Company considers these genes to be therapeutic 
targets and/ or possible candidates for gene therapy.
 
    The discoveries of other cancer-related genes referred to by Drs. 
Vogelstein and Kinzler as DCC, APC, MCC and MSH2, and the respective filed 
and/or issued patents covering such genes, have provided the Company with 
additional opportunities for developing cancer therapeutics. Although such 
development programs are not currently being pursued, the Company continually 
evaluates these genes as targets for therapy as additional knowledge is 
gained about the role of these genes in cancer.


                                       11

<PAGE>


PRINCIPAL COLLABORATIVE AGREEMENTS

    Agreements with JHU, Roche and Dr. Vogelstein
 
    In March 1991, the Company entered into a Research Agreement (the 
"Research Agreement"), with JHU and Hoffmann-La Roche Inc. ("Roche"), and in 
February 1992 entered into a License Agreement (the "License Agreement") with 
JHU and Roche (collectively, the "JHU Agreements"), pursuant to which the 
Company made unrestricted research grants to the Basic Cancer Research 
Foundation and JHU of approximately $818,000 to fund research conducted at 
JHU by Dr. Vogelstein. Dr. Vogelstein has had the sole discretion to 
determine research activities within the specified research areas, which 
include cancer and virology. In return for these payments, JHU granted to the 
Company and Roche a worldwide, exclusive, royalty-bearing license to all 
technology developed within the specified research areas pursuant to the JHU 
Agreements. In February 1995, the Research Agreement terminated, with certain 
provisions remaining in effect through August 1995. Certain rights granted to 
Roche and the Company by JHU, and certain of the obligations of Roche and the 
Company to JHU (such as maintaining confidentiality of information, not using 
JHU's name without their consent, not bringing suit against JHU in disputes 
between Roche and the Company and reimbursement of JHU for costs of any such 
dispute), survived the termination of the Research Agreement. The License 
Agreement continues, subject to scheduled royalty payments, until the 
expiration of the patents licensed thereunder.
 
    The Company and Roche also entered into supplementary agreements (the 
"Roche Agreements") regarding the development and commercialization of any 
technology developed by Dr. Vogelstein in the research areas specified in the 
JHU Agreements. Pursuant to an initial agreement with Roche, Roche obtained 
the first option to license from JHU any diagnostic applications, the Company 
obtained a license from JHU to any oligonucleotide-based therapeutic 
applications and the Company and Roche jointly obtained a license from JHU to 
any therapeutic applications that are not oligonucleotide-based. Roche has 
agreed to pay the Company royalties at varying rates on sales of any products 
developed by Roche stemming from Dr. Vogelstein's research. Additionally, 
Roche obtained first option rights (the "First Option Rights") to act as the 
Company's partner for research and development programs relating to Dr. 
Vogelstein's technology. At Roche's option, Roche could choose to pay the 
Company to provide mutually agreed upon research and development services for 
diagnostic products. In May 1996, Roche decided not to develop certain 
inventions licensed from JHU and the Company exercised its option, which did 
not require any additional payment, to assume the rights to all of those 
inventions. In October 1996, Roche and the Company signed a term sheet under 
which the Company will be provided a sublicense to any and all diagnostic 
products and applications to which Roche retains rights under the License 
Agreement, and the Company was granted the exclusive right to sublicense 
Roche's rights to diagnostic products and applications, exclusive of those 
rights to certain antibody-based diagnostics that Roche has assigned to a 
third party, under the License Agreement. The term sheet also provides for 
royalties to Roche and sharing of revenues between the Company and Roche.
 
    In March 1994, in consideration of 16,666 shares of the Company's Common 
Stock and warrants to acquire 50,000 shares of Common Stock, Roche waived the 
First Option Rights so that the Company may freely seek partners for its 
Vogelstein-related research and development programs. One-third of the 
warrants were exercisable at a price of $10.50 per share until March 1995, 
one-third of the warrants were exercisable at a price of $15.00 per share 
until March 1996, and the last third of the warrants were exercisable at a 
price of $24.00 per share until March 22, 1997. None of the warrants were 
exercised.
 
    Agreements with JHU and Drs. Vogelstein and Kinzler
 
    Effective September 1995, the Company entered into a license agreement 
(the "SAGE Agreement") with JHU and Drs. Vogelstein and Kinzler relating to 
the SAGE technology. To retain an exclusive license, the Company was 
obligated to pay substantial license fees and milestone payments in 1996 and 
has continuing license and milestone obligations. The SAGE Agreement provides 
for certain additional payments to be made by the Company to JHU in the event 
the Company sublicenses SAGE technology to third parties or performs 
SAGE-related

                                       12

<PAGE>

services on behalf of third parties. In contemplation of the Proposed Merger 
with Genzyme, the SAGE Agreement was amended to waive any possible right JHU 
may have to a payment of $5 million resulting from a change of control in 
exchange for the issuance of 43,200 shares of Series B Convertible Preferred 
Stock.
 
    The Company is currently in discussions with JHU regarding a license to 
other present and future discoveries of Dr. Kinzler, some of which were, or 
may be, created in collaboration with Dr. Vogelstein. However, there can be 
no assurance that such license will be available to the Company or can be 
obtained on terms acceptable to the Company.
 
    Effective April 1991, the Company entered into a consulting agreement 
with Dr. Vogelstein pursuant to which Dr. Vogelstein acts as a consultant to 
the Company in his area of expertise and has agreed to serve on the Company's 
Scientific Advisory Board. Dr. Vogelstein became Chairman of the Company's 
Scientific Advisory Board in April 1993. This consulting agreement is 
renewable at the Company's option annually and can be terminated by either 
party on 30 days' notice. The consulting agreement with Dr. Vogelstein has 
been renewed through April 2000. In addition, effective October 1991, the 
Company entered into a consulting agreement with Dr. Kinzler, pursuant to 
which Dr. Kinzler acts as a consultant to the Company in his area of 
expertise and has agreed to serve on the Company's Scientific Advisory Board. 
This consulting agreement renews automatically on an annual basis unless the 
Company gives cancellation notice 60 days prior to the annual termination 
date. This consulting agreement currently expires in October 1997.
 
    Agreements with PaineWebber R&D Partners III, L.P.
 
    In May 1994, the Company entered into a series of agreements (the "R&D 
Agreements") with PaineWebber R&D Partners, III, L.P. (the "Partnership") 
(see "Item 13. Certain Relationships and Related Transactions"), pursuant to 
which the Partnership paid a $250,000 license fee and agreed to pay the 
Company up to $5,750,000 to conduct research and development on the 
Partnership's behalf on targets identified by the Company pursuant to a 
development plan originally projected to extend through March 1996, but which 
continued through January 1997. In consideration of such payments, the 
Partnership obtained rights to the results of such research, and the Company 
granted the Partnership an exclusive, royalty-free license to use certain 
patent rights, know-how and technical information owned or licensed by the 
Company. Under the R&D Agreements, upon the occurrence of certain events of 
default (such as failure to perform its obligations, default on indebtedness, 
insolvency, cessation of operations and others), the Company would be 
obligated to make certain payments to the Partnership. In March 1995, the R&D 
Agreements were modified to expand the area of research under the development 
plan and to accelerate an additional $750,000 of research funding under the 
R&D Agreements into 1995. Under the R&D Agreements, the Company also received 
an option to purchase at any time certain or all of the rights owned by the 
Partnership as a result of the R&D Agreements ("Partnership Rights") at an 
option price ranging from $9.4 million up to $19.2 million, depending upon 
the date of the purchase and the rights purchased. The R&D Agreements 
provided that in the event the Company commenced Phase II clinical trials on 
an agent developed under the R&D Agreements, the Company would be obligated 
to exercise the purchase option. To date, the Company has not commenced any 
Phase II clinical trials. In consideration for this purchase option, the 
Company issued to the Partnership warrants to purchase up to 1,000,000 shares 
of the Company's common stock (the "Core Warrant") and up to 666,667 shares 
of the Company's common stock (the "Purchase Option Warrant"). The Core 
Warrant is exercisable for a period of five years which commenced July 1, 
1996, and the Purchase Option Warrant would have been exercisable for a 
period of four years following termination of the Company's purchase option 
(as described above). With the modification of the R&D Agreements in March 
1995, the exercise price on the Core Warrant and the Purchase Option Warrant 
was fixed at $2.15 per share, subject to antidilution provisions and other 
adjustments. In June 1995, the Company executed and delivered a convertible 
note (the "Note") to the Partnership under which the Company borrowed 
$1,000,000 at an interest rate of prime plus two percentage points. In lieu 
of repayment in cash, the Note and accrued interest were converted to 480,242 
shares of Series C Convertible Preferred Stock of the Company as of September 
30, 1995, which thereby reduced by $1,000,000 research funding from the 
Partnership under the R&D Agreements. In January 1997, in connection with the 
Proposed Merger, the Partnership exercised its right under the R&D Agreements 
to exchange the Partnership Rights for shares of the Company's preferred 
stock. This right

                                       13

<PAGE>


became exercisable by the Partnership upon the Company signing the Merger 
Agreement, which constituted a change of control under the R&D Agreements. 
Under the R&D Agreements, a change of control is defined to include generally 
PharmaGenics agreeing to or completing a consolidation or merger, agreeing to 
be or being acquired, agreeing to or completing the sale or other disposal of 
all or substantially all of its assets or the acquisition of, or tender for, 
50% or more of the outstanding voting securities of PharmaGenics. As a result 
of such exchange, the Company issued to the Partnership 298,420 shares of 
Series A Convertible Preferred Stock, 88,864 shares of Series B Convertible 
Preferred Stock and 1,641,144 shares of Series C Convertible Preferred Stock 
(with an aggregate liquidation preference of $4,750,000). Upon the exercise 
of such right by the Partnership, the Purchase Option Warrant and the R&D 
Agreements terminated. In addition, upon the completion of the Proposed 
Merger, the Core Warrant will be cancelled.
 
    Agreements with Genetic Therapy, Inc.
 
    In January 1993, the Company entered into a license agreement with GTI 
under which the Company granted to GTI an exclusive, royalty-bearing license 
to the Company's p53 and DCC tumor suppressor gene technology for use in gene 
therapy. The Company has retained the rights to co-promote any products 
covered by the agreement within North America. GTI has paid the Company 
$500,000 under the agreement and has agreed to make additional payments upon 
the achievement of particular milestones. The Company and GTI have also 
entered into an agreement under which GTI has made payments to the Company 
for the performance of research and development. In June 1994, GTI and the 
Company agreed to suspend certain of GTI's performance requirements pending 
results of animal model experiments by the Company. Such experiments were 
completed by the Company in 1996. The Company's agreement with GTI continued 
without interruption or modification after the acquisition of GTI by Novartis 
(formerly Sandoz, Inc.) In January 1996, GTI returned to the Company rights 
to the DCC tumor suppressor gene. The Company has received notification from 
GTI of its intention to resume activities with the p53 gene under the 
original performance requirements.
 
    Agreement with Boehringer--Mannheim, Gmbh
 
    In December 1994, the Company and Boehringer entered into a collaborative 
agreement to discover and develop novel drugs that restore the normal 
function of the p53 gene. The agreement stipulated that the Company and 
Boehringer would utilize proprietary assays developed by the Company to 
screen Boehringer's libraries of compounds and biological extracts. 
Boehringer has been obligated under the agreements to make certain payments 
to the Company. Following screening of several thousand compounds by 
Boehringer, the term of the collaborative agreement expired without 
negotiation of an extended collaboration.
 
    AGREEMENT WITH XENOVA LIMITED
 
    The Company has entered into a collaboration with Xenova to search for 
compounds that can restore lost p53 function. Each party has agreed to pay 
the costs of its own activities. Some of those costs have been, and will 
continue to be, offset by a grant from the National Cancer Institute to the 
Company, Xenova and Memorial Sloan Kettering of an award of approximately 
$877,000 in the first two years (which commenced in September 1995), with 
approximately $1.4 million anticipated to be awarded over an additional three 
years, subject to funding availability and satisfactory progress of the 
research project. The Company will have exclusive rights to any products in 
the Western Hemisphere and Xenova will have the same rights in the Eastern 
Hemisphere.
 
    Agreement with Genome Therapeutics Corp.
 
    In September 1996, the Company and Genome Therapeutics Corp. ("Genome") 
executed a term sheet for the Company to prepare a limited number of 
libraries using SAGE technology in order for Genome to determine whether to 
enter into a further commercial relationship with the Company.


                                       14

<PAGE>


    Agreement with Incyte Pharmaceuticals, Inc.
 
    In February 1997, the Company entered into an agreement with Incyte 
Pharmaceuticals, Inc. ("Incyte"). Under the agreement, the Company has agreed 
to prepare at specified prices SAGE tag libraries using SAGE technology at 
the request of Incyte. The agreement is for a term of three years and does 
not include any order requirements by Incyte. In addition, there is no 
assurance Incyte will place any orders under the collaboration. The agreement 
does not grant Incyte any rights to the SAGE technology and does not grant 
the Company any rights to the libraries that might be prepared by the Company 
for Incyte.
 
PATENTS, LICENSES AND PROPRIETARY RIGHTS
 
    The Company's policy is to protect its technology by, among other things, 
filing patent applications for technology it considers important in its 
business. In addition to filing patent applications in the United States, the 
Company has filed, and intends to file, patent applications in foreign 
countries on a selective basis. The Company also relies on trade secrets, 
unpatented know-how and technological innovation to develop and maintain its 
competitive position.
 
    To date, 17 patent applications have been filed in the United States on 
which Company scientists are listed as inventors or co-inventors, none of 
which have yet issued, and the Company has licensed 16 patents from JHU, of 
which five have issued and two have received a notice of allowance. Several 
continuations and divisionals of these patents have been filed. The Company 
has an exclusive license to certain of the JHU patents. The Company has 
co-exclusive licenses with Roche and/or other third parties to the remaining 
JHU patents regarding cancer-related genes pursuant to the JHU Agreements. 
Under the license agreement with JHU, the Company has an exclusive license to 
filed SAGE patents, including one SAGE patent for which the PTO has issued to 
JHU a Notice of Allowance.
 
    The patent position of biotechnology firms generally is highly uncertain 
and involves complex legal and factual questions. To date, no consistent 
policy has emerged from the U.S. Patent and Trademark Office regarding the 
breadth of claims allowed in biotechnology patents. Accordingly, there can be 
no assurance that patent applications owned or licensed by the Company will 
result in patents being issued or that, if issued, the patents will afford 
protection against competitors with similar technology.
 
    The Company is aware of patent applications and issued patents of 
competitors and it is uncertain whether any of these, or patent applications 
filed of which the Company may not have any knowledge, will require the 
Company to alter its potential products or processes, pay licensing fees or 
cease certain activities. The Company is also aware of patent applications 
that have been filed by third parties directed to p53 gene therapy, as well 
as to general methods for delivering genes therapeutically, including for the 
treatment of cancer (the "Additional Gene Therapy Patents"). The Company 
believes that the PTO will declare a patent interference between the 
Additional Gene Therapy Patents and the p53 patent application that the 
Company has licensed from JHU. The outcome of any such interference 
proceeding, if declared, cannot be predicted, and there can be no assurance 
that the outcome of such proceeding will be favorable to the Company. The 
issuance of patents based on such technology, if licenses are not obtained by 
the Company, could adversely affect the ability of GTI and/or the Company to 
market and sell gene therapy products for cancer.
 
    The Company also relies on unpatented technology, trade secrets and 
information, and no assurance can be given that others will not independently 
develop substantively equivalent information and techniques or otherwise gain 
access to the Company's technology or disclose such technology, or that the 
Company can meaningfully protect its rights in such unpatented technology, 
trade secrets and information. The Company requires each of its employees, 
consultants and advisors to execute a confidentiality agreement at the 
commencement of an employment or consulting relationship with the Company. 
The agreements generally provide that all inventions conceived by the 
individual in the course of employment or in the providing of services to the 
Company and all confidential information developed by, or made known to, the 
individual during the term of the relationship shall be the

                                       15

<PAGE>


exclusive property of the Company and shall be kept confidential and not 
disclosed to third parties except in limited specified circumstances. There 
can be no assurance, however, that these agreements will provide meaningful 
protection for the Company in the event of unauthorized use or disclosure of 
such confidential information.
 
COMPETITION
 
    Cancer is currently treated with therapies that have demonstrated varying 
degrees of success. To the extent that the Company develops chemical or 
genetic therapeutics to treat cancer (or any other diseases), the Company 
will be competing with existing therapies. The Company is aware of other 
companies actively engaged in research to develop gene therapy approaches 
using the p53 gene and other tumor suppressor genes as well as several other 
companies that have initiated various research and development programs with 
regard to tumor suppressor genes and other cancer-related genes that are 
being targeted by the Company. In addition, a number of companies are 
pursuing the development of genomics technology and combinatorial chemistry 
approaches that could lead to the development of pharmaceuticals that would 
directly compete with therapeutics which might be developed by the Company. 
These companies include specialized biotechnology companies and large 
pharmaceutical companies, acting either independently or together. 
Furthermore, academic institutions, government agencies and other public and 
private organizations conducting research may seek patent protection and 
might establish collaborative arrangements with others for development and 
commercialization of products that are discovered. Any of these competitive 
efforts, if successful, could adversely affect the Company and its programs.
 
    Many of the Company's existing or potential competitors have 
substantially greater financial, technical and human resources than the 
Company and might be better equipped to develop, manufacture and 
commercialize products. In addition, many of these companies have extensive 
experience in preclinical testing, human clinical trials and the regulatory 
approval process. These companies might develop and introduce products and 
processes competitive with or superior to those of the Company.
 
    Under the JHU Agreements, Roche has co-exclusive licenses with the 
Company to certain of the technology developed by Dr. Vogelstein. 
Accordingly, Roche, which has substantially greater financial and other 
resources than the Company, may commence development activities based on Dr. 
Vogelstein's technology to develop products that might compete with certain 
potential products of the Company.
 
    The Company's competition also will be determined in part by the 
potential indications for which the Company's compounds are developed. For 
certain of the Company's potential products, an important competitive factor 
may be the timing of market introduction of its own or competitive products. 
Accordingly, the relative speed with which the Company can develop products, 
complete the clinical trials and regulatory approval processes and supply 
commercial quantities of the products to the market are expected to be 
important competitive factors. The Company expects that competition among 
products approved for sale will be based on, among other things, product 
efficacy, safety, reliability, availability, price and patent position.
 
    The Company's competitive position also depends upon its ability to 
attract and retain qualified personnel, obtain and enforce patent protection 
or otherwise develop proprietary products or processes and secure sufficient 
capital resources for the often lengthy period between technological 
conception and commercial sales.
 
GOVERNMENT REGULATION
 
    Any products developed by the Company will require regulatory clearances, 
including the approval of the United States Food and Drug Administration 
("FDA"), prior to initiation of clinical trials, manufacturing and 
commercialization. The Company has no experience in obtaining any such 
regulatory approvals. New drugs are subject to regulation under the Federal 
Food, Drug and Cosmetic Act, and biological products, in addition to being 
subject to certain provisions of that Act, are regulated under the Public 
Health Service Act. Both statutes and the regulations promulgated thereunder 
govern, among other things, the testing, manufacturing, safety, efficacy,

                                       16

<PAGE>

labeling, storage, record-keeping, advertising and other promotional 
practices involving biologics or new drugs, as the case may be.
 
    Obtaining FDA approval is a costly and time-consuming process. Generally, 
in order to gain FDA approval to commence clinical trials, a developer first 
must conduct preclinical studies in the laboratory and in animal model 
systems to gain preliminary information on an agent's efficacy and to 
identify any major safety problems. The results of these studies are 
submitted as a part of an investigative new drug application ("IND") that the 
FDA must approve before human clinical trials of the agent can begin. The IND 
application includes a detailed description of the clinical investigations to 
be undertaken.
 
    Upon approval of the IND, the Company will be responsible for initiating 
and overseeing the demonstration of the safety, efficacy and potency that are 
necessary to obtain FDA approval of any such products. The Company will be 
required to select qualified investigators (usually physicians within medical 
institutions) to supervise the administration of the agent in clinical 
trials, ensure proper monitoring of the investigations and ensure that the 
investigations are conducted in accordance with the general investigational 
plan and protocols contained in the IND. Clinical trials are normally done in 
three phases. Phase I clinical trials are concerned primarily with the safety 
and preliminary effectiveness of the agent and may take from six months to 
over a year. Phase II clinical trials are designed primarily to demonstrate 
effectiveness in treating or diagnosing the disease or condition for which 
the agent is intended, although short-term effects and risks in people whose 
health is impaired may also be examined. Phase III clinical trials are 
expanded, multi-center clinical trials with large numbers of patients. Such 
trials are designed to gather the additional information on safety and 
effectiveness needed to clarify the agent's benefit-risk relationship, 
discover less common side effects and adverse reactions and generate 
information for proper dosage and labeling of the agent. Clinical trials 
generally take two to five years, but may take longer, to complete.
 
    The FDA receives reports on the progress of each phase of clinical 
testing, and it may require the modification, suspension or termination of 
clinical trials if an unwarranted risk is presented to patients. Certain 
agents that may be developed by the Company might fall into a new category of 
therapeutics, and there can be no assurance as to the length of the clinical 
trial period or the number of patients the FDA will require to be enrolled in 
the clinical trials in order to establish the safety, efficacy and potency of 
such products.
 
    After completion of clinical trials of a new product, FDA marketing 
approval must be obtained. If the product is regulated as a biologic, it will 
require the submission and approval of a Product License Application ("PLA") 
before marketing may commence. If the product is classified as a drug, the 
Company must file a New Drug Application ("NDA") and receive approval before 
marketing may commence. The NDA or PLA must include results of product 
development, preclinical studies and clinical trials. The testing and 
approval processes require substantial time and effort and there can be no 
assurance that any approval will be granted on a timely basis, if at all. 
NDAs and PLAs submitted to the FDA can generally take two to five years or 
more to receive approval. Notwithstanding the submission of relevant data, 
the FDA may ultimately decide that the NDA or PLA does not satisfy its 
regulatory criteria for approval and require additional clinical studies. 
Even if FDA regulatory clearances are obtained, a marketed product may be 
subject to continual review, and later discovery of previously unknown 
problems or failure to comply with the applicable regulatory requirements may 
result in restrictions on the marketing of a product or withdrawal of the 
product from the market, as well as possible civil or criminal sanctions.
 
MANUFACTURING AND MARKETING
 
    The Company has no experience in manufacturing or marketing products. The 
Company does not now have the resources to manufacture or market on a 
commercial scale any products that it may develop. The Company's long-term 
objective is to manufacture and market certain therapeutics through its own 
capabilities. In the short-term, however, the Company may rely on corporate 
partners or others to manufacture or market any such therapeutics it 
develops, although no specific arrangements have been made. The Company 
cannot predict whether the Company will be able to establish manufacturing 
arrangements with a third party on acceptable terms. While the Company 
intends to select manufacturers which comply with FDA-mandated current good 
manufacturing

                                       17
<PAGE>


practices ("GMP") and other regulatory standards, there can be no assurance 
that these manufacturers will comply with such standards, that they will give 
the Company's orders the highest priority or that the Company would be able 
to find substitute manufacturers, if necessary. In order for the Company to 
establish a manufacturing facility, the Company will require substantial 
additional funds and will be required to hire and retain significant 
additional personnel and comply with the extensive GMP regulations applicable 
to such a facility.
 
HUMAN RESOURCES
 
    As of December 31, 1996, the Company had 37 employees, 32 of whom were 
engaged directly in research and development activities and 5 of whom were in 
executive and administrative positions.
 
IMPORTANT FACTORS REGARDING FORWARD-LOOKING STATEMENTS
 
    Some of the information presented in this report constitutes forward 
looking statements within the meaning of the Private Securities Litigation 
Reform Act of 1995, in particular, discussions regarding the Company's 
expectations of completion of the Proposed Merger, research and collaborative 
agreements, operating expenses, working capital financing, lease financing 
and access to capital. Although the Company believes that its expectations 
are based on reasonable assumptions within the bounds of its knowledge of its 
business and operations, there can be no assurance that actual results will 
not vary materially from its expectations. Meaningful factors that could 
cause actual results to differ from expectations include, among others, 
uncertainties relating to the Proposed Merger with Genzyme and the Credit 
Facility; uncertainties relating to whether patents will issue and whether 
patents that issue will provide the Company with adequate protection from 
other products or competitors; dependence on key individuals for achievement 
of these expectations, particularly the contributions of Michael I. Sherman, 
the Company's President and Chief Executive Officer; continued collaboration 
between the Company and Drs. Vogelstein and Kinzler of JHU; continued 
collaboration between the Company and its other corporate, governmental and 
academic collaborators; establishment of additional collaborations with 
academia or corporations; uncertainty whether the Company's research and 
development activities will result in the development of commercially usable 
products and processes; competition from alternative products or processes; 
uncertainties related to technological improvements and advances; the impact 
of research and product development activities of competitors of the Company, 
many of whom have greater financial or other resources than those of the 
Company; the ability to obtain adequate additional financing necessary to 
fund operations and product development and the terms on which such financing 
might be available; the ability to obtain lease financing for capital 
equipment; uncertainties related to possible legal proceedings; uncertainties 
related to clinical trials; uncertainties of obtaining required regulatory 
approvals; advances in cancer research, in general; the ability of the 
Company to arrange for the manufacture and marketing of any new products; and 
uncertainties of future profitability. For additional information concerning 
these and other important factors which may cause the Company's actual 
results to differ materially from expectations, reference is also made to the 
Company's Quarterly Reports on Form 10-Q and other reports filed by the 
Company with the Securities and Exchange Commission.
 
ITEM 2. PROPERTIES
 
    The Company leases and occupies approximately 20,500 square feet of space 
in Allendale, New Jersey, including approximately 16,500 square feet devoted 
to research and development, pursuant to a five-year lease expiring on 
December 31, 1999, with two additional three-year renewal options. The lease 
provides rental payments of approximately $211,000 annually, exclusive of 
taxes, maintenance and management fees, which were approximately $63,000 in 
1996 and $57,000 in 1995. The Company believes that its existing facilities 
will be adequate for its current needs.
 
ITEM 3. LEGAL PROCEEDINGS
 
    On July 19, 1996, LBC Capital Resources, Inc. ("LBC") brought an action 
against the Company in the Superior Court of New Jersey in Bergen County 
alleging breach of contract and related causes of action arising out

                                       18

<PAGE>


of an agreement between the Company and LBC that obligated LBC to assist the 
Company in finding new sources of capital. LBC asserted in such action that 
the Company improperly declined to pay LBC a commission in accordance with 
the agreement and sought damages in excess of $150,000. The Company and LBC 
settled the action with the Company's payment to LBC of $62,000.
 
ITEM 4.   SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS
 
    No matters were submitted to a vote of security holders during the 
quarter ended December 31, 1996.
 
                                    PART II
 
ITEM 5.   MARKET FOR THE REGISTRANT'S COMMON STOCK AND RELATED SECURITY
          HOLDER MATTERS
 
    No class of the Company's securities is traded on any public trading 
market, and the Company cannot predict whether any public trading market 
might be established in the immediate future.
 
    As of March 31, 1997, the Company had 20 holders of record of its Common 
Stock, four holders of record of Series A Convertible Preferred Stock, 1,150 
holders of record of Series B Convertible Preferred Stock, 480 holders of 
record of Series C Convertible Preferred Stock, and one holder of record of a 
warrant to purchase shares of Series A Convertible Preferred Stock. The 
outstanding shares of Series B Convertible Preferred Stock and certain 
warrants to purchase shares of Common Stock (which expired on November 14, 
1996), all of which were issued in connection with a private placement in 
1991, have been registered under Section 12(g) of the Securities Exchange Act 
of 1934.
 
    No cash dividends have ever been paid on the Company's Common Stock and 
the Company does not intend to declare any such dividends in the foreseeable 
future.


                                       19

<PAGE>


ITEM 6.   SELECTED FINANCIAL DATA
 
    The selected financial data set forth below with respect to the Company's 
statements of operations and balance sheets for the fiscal year ended 
December 31, 1992 are derived from the financial statements that have been 
audited by Richard A. Eisner & Company, LLP, independent public accountants, 
which financial statements are not included in this filing. The other 
Statement of Operations Data and Balance Sheet Data set forth below are 
derived from the financial statements that have been audited by Arthur 
Andersen, LLP, independent public accountants, which financial statements as 
of December 31, 1995 and 1996, and for the three years in the period ended 
December 31, 1996, are included elsewhere in this filing. The data set forth 
below should be read in conjunction with "Management's Discussion and 
Analysis of Financial Condition and Results of Operations" and the Financial 
Statements and the notes related thereto included elsewhere in this Annual 
Report on Form 10-K.
<TABLE>
<CAPTION>
                                                                              YEAR ENDED DECEMBER 31, 
                                                                -----------------------------------------------------
                                                                   1992       1993       1994       1995       1996
                                                                   ----       ----       ----       ----       ----
<S>                                                             <C>        <C>        <C>        <C>        <C> 
                                                                 (IN THOUSANDS, EXCEPT PER SHARE AND SHARE AMOUNTS)

Statement of Operations Data:
 
Revenues....................................................    $       2  $     661  $   1,818  $   2,920  $   1,418
                                                                ---------  ---------  ---------  ---------  ---------
 
Expenses:
 
  Research and development..................................        3,624      4,287      5,822      4,608      4,499
 
  General and administrative................................        1,043      1,224      1,447      1,388      1,756
                                                                ---------  ---------  ---------  ---------  ---------
  Total expenses............................................        4,667      5,511      7,269      5,996      6,255
                                                                ---------  ---------  ---------  ---------  ---------
 
Loss from operations........................................       (4,665)    (4,850)    (5,451)    (3,076)    (4,837)
Interest income/(expense), net..............................          407        240        (37)      (304)        84
                                                                ---------  ---------  ---------  ---------  ---------
 
Net loss....................................................    $  (4,258) $  (4,610) $  (5,488) $  (3,380) $  (4,753)
                                                                ---------  ---------  ---------  ---------  ---------
                                                                ---------  ---------  ---------  ---------  ---------
 
Net loss per share..........................................    $   (9.26) $  (10.55) $  (12.28) $   (7.49) $  (10.49)
                                                                ---------  ---------  ---------  ---------  ---------
                                                                ---------  ---------  ---------  ---------  ---------
 
Weighted average common shares outstanding..................      459,604    436,812    446,933    451,406    452,970
                                                                ---------  ---------  ---------  ---------  ---------
                                                                ---------  ---------  ---------  ---------  ---------


                                                                                    DECEMBER 31,
                                                                -----------------------------------------------------
                                                                   1992       1993       1994       1995       1996
                                                                   ----       ----       ----       ----       ----
<S>                                                             <C>        <C>        <C>        <C>        <C> 
                                                                                  (IN THOUSANDS)
Balance Sheet Data:
Cash and investments........................................    $   9,610  $   4,542  $     753  $   1,639  $     486
Working capital (deficit)...................................        5,929      3,905       (534)      (641)    (1,352)
Total assets................................................       10,750      6,503      2,180      2,694      1,533
Long-term obligations.......................................          204        533        361         39         25
Accumulated deficit.........................................       (8,463)   (13,072)   (18,560)   (21,940)   (26,692)
Stockholders' equity (deficit)..............................        9,864      5,253        483        352       (554)

</TABLE>


                                       20
<PAGE>


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

GENERAL
 
    The following discussion should be read in conjunction with the Financial 
Statements, and notes thereto, included elsewhere in this report.
 
    Some of the information presented in this report constitutes forward 
looking statements within the meaning of the Private Securities Litigation 
Reform Act of 1995. Although the Company believes that its expectations are 
based on reasonable assumptions within the bounds of its knowledge of its 
business and operations, there can be no assurance that actual results of the 
Company's research and development activities and its results of operations 
will not differ materially from its expectations. See "ITEM 1 - 
BUSINESS--Important Factors Regarding Forward-Looking Statements."
 
RECENT DEVELOPMENTS--PROPOSED MERGER WITH GENZYME CORPORATION
 
    To fund its operations since inception, the Company has obtained capital 
through several private placements of equity, raising approximately $26.5 
million. These funds have enabled the Company to pursue internal research, 
fund and obtain technology rights from academic institutions and pursue 
research and development collaborations with other companies. As a result of 
these efforts, the Company has been able to generate license/royalty and 
research funding revenues of approximately $6.6 million (including research 
and development funding from PaineWebber R&D Partners III, L.P.) since 
inception.
 
    Although the Company has been successful in generating funding to 
maintain its operations, in order to optimize the development of and exploit 
its technologies, management of the Company has always been aware that the 
Company would either have to raise large amounts of capital through equity 
offerings or search for alternative sources of capital. One way the Company 
attempted to obtain additional funding was to establish collaborative 
relationships in which funding would be provided to the Company in exchange 
for sharing of rights to the technology that might be developed from the 
research supported by such funding. In particular, the Company has recently 
attempted to raise funds by providing SAGE technology services to other 
companies on a fee basis, but, to date, has not generated significant SAGE 
service revenues.
 
    Throughout its history, the Company has contacted many companies to 
determine their interest in a collaboration. The Company held preliminary 
discussions with several of these companies, but few of these discussions 
gave rise to a definitive proposal or agreement with respect to a 
transaction, and the financial proceeds from the collaborations that have 
been established (see "Principal Collaborative Agreements") have not been 
sufficient to sustain the Company's operations. As the exploration of 
alternatives continued, it became apparent to the Company that gaining access 
to equity capital on reasonable terms was becoming more and more difficult, 
particularly since the Company had been operating for several years yet still 
lacked clinical-stage therapeutics.
 
    In early May 1996, representatives of the Company and Genzyme Corporation 
("Genzyme") met to discuss opportunities for potential collaborations 
relating to use of the SAGE technology in conjunction with Genzyme's cancer 
gene therapy programs. These discussions evolved into preliminary merger 
discussions, which resulted in the Company and Genzyme entering into a letter 
of intent, dated October 29, 1996, reflecting an agreement in principle for 
Genzyme to acquire the Company. Throughout the remainder of 1996 and early 
1997, Genzyme and the Company negotiated the definitive terms of the 
acquisition.
 
    On February 3, 1997, the Company and Genzyme announced that they had entered
into an Agreement and Plan of Merger, dated as of January 31, 1997, (the "Merger
Agreement") pursuant to which the Company, on the terms and conditions set forth
in the Merger Agreement, is to be merged with and into Genzyme (the "Proposed
Merger"). As consideration for the Proposed Merger, Genzyme is to issue
approximately 4,000,000 shares (subject


                                       21

<PAGE>


to certain adjustments set forth in the Merger Agreement) of a new Genzyme 
security (the "GMO Stock"), representing 40% of the initial equity interest 
in a new division of Genzyme, to be known as the Genzyme Molecular Oncology 
division (the "GMO Division"), and to be formed within Genzyme through the 
combination of the business of the Company with several of Genzyme's oncology 
programs. An additional 6,000,000 shares (subject to adjustment) of GMO Stock 
will be issued for the benefit of the General Division of Genzyme or its 
stockholders. The GMO Stock will be "tracking stock," which is Genzyme common 
stock that is intended to reflect the value, and track the performance, of 
the GMO Division.
 
    Because the Certificate of Incorporation of the Company requires that, in 
a transaction such as the Proposed Merger, an aggregate merger preference be 
provided to holders of the outstanding shares of Preferred Stock before any 
amounts can be provided to holders of outstanding shares of Common Stock, and 
because such aggregate merger preference exceeds the aggregate value of the 
4,000,000 shares of GMO Stock to be issued in the Proposed Merger (based on 
the valuation given the GMO Stock under the Merger Agreement), no shares of 
GMO Stock are available for allocation to holders of the outstanding shares 
of Common Stock. The applicable share exchange ratio to be used to convert 
the outstanding shares of Preferred Stock into GMO Stock, upon effectiveness 
of the Proposed Merger, is set forth in the Merger Agreement and, as also set 
forth in the Merger Agreement, upon effectiveness of the Proposed Merger, the 
outstanding shares of Common Stock will be cancelled. The Proposed Merger 
currently is expected to be completed in May 1997, subject to approval by the 
stockholders of the Company and Genzyme and certain other conditions. As 
required by the Merger Agreement, directors, officers and certain other 
stockholders of the Company have entered into stockholder agreements with 
Genzyme pursuant to which they have agreed to vote in favor of the Proposed 
Merger. The number of shares subject to such agreements is sufficient for 
approval of the Proposed Merger by the stockholders of PharmaGenics.
 
    The Company's decision to enter into the Merger Agreement was 
substantially influenced by the Company's belief that the Company's 
precarious financial condition and the absence of viable alternatives to 
raising additional capital made it unlikely that the Company could fulfill 
its business objectives as an independent company.
 
    As a result of the Company's continued operating losses and lack of 
available capital resources, the report of the Company's independent 
accountants on the financial statements included elsewhere herein includes an 
explanatory paragraph that such conditions raise substantial doubt as to the 
Company's ability to continue as a going concern. In the event the Proposed 
Merger is not completed, the absence of other viable strategic alternatives 
and the present precarious financial condition of the Company raise 
substantial doubt as to the ability of the Company to continue its operations 
for more than several months. As a result, in the event the Merger is not 
completed, the Company will need to obtain additional financing to continue 
its operations, and there can be no assurance that financing would be 
available. The Company may need to obtain funds through arrangements with 
collaboration partners or others that may require the Company to relinquish 
rights to certain of its technologies. If additional funding is not obtained, 
the Company would be required to significantly curtail its research 
activities and eventually cease operations altogether.

                                       22

<PAGE>


RESULTS OF OPERATIONS
 
    The Company has not been profitable since inception and, if the Proposed 
Merger is not completed, expects to incur substantial operating losses in the 
future, subject to the Company securing additional collaborative agreements. 
The Company's results of operations and resulting financial condition might 
vary significantly due to the timing of license fees and contract revenue and 
the pace of research and development expenditures. The Company's independent 
public accountant's opinion on the Company's fiscal 1996 audited financial 
statements includes an explanatory paragraph stating that the Company's 
financial condition raised substantial doubt as to the ability of the Company 
to continue as a going concern.
 
Year Ended December 31, 1996 Compared to Year Ended December 31, 1995
 
    Revenues were $1.4 million in 1996 and $2.9 million in 1995. Research 
contracts represented 80% and 95% of revenues for the periods, respectively, 
and account for the decrease.
 
    For 1996, revenues from research contracts included $723,200 earned under 
the R&D Agreements, approximately $289,500 earned under a collaboration with 
Boehringer and $100,000 from Genome in connection with entering into an 
agreement regarding SAGE, with the balance derived from a research agreement 
with GTI. All funding pursuant to the research agreement with GTI had been 
received and earned as of March 31, 1996. As of December 31, 1996, the 
Company had not yet earned $315,200 received in 1995 under the R&D 
Agreements, and such amount is recorded as deferred revenue. See Note 2 of 
Notes to Financial Statements. For 1995, revenues from research contracts 
included $2.3 million earned under the R&D Agreements, $371,600 from 
Boehringer and $100,000 from GTI. Grant revenues in 1996 were earned under a 
five-year U.S. National Cancer Institute ("NCI") award in the form of a 
Cooperative Grant in September of 1995. Grant revenues in 1995 included 
$100,300 earned under this Cooperative Grant, with the balance earned under 
an NCI Small Business Innovative Research grant that was awarded in May 1994 
and concluded in 1995.
 
    Research and development expenses were $4.5 million for 1996 as compared 
to $4.6 million for 1995, a decrease of approximately 2.4%. Research expenses 
for licenses from and to support programs at collaborators, in the aggregate, 
decreased by approximately $208,000 in 1996 compared to 1995. In addition, 
compensation expense decreased by approximately $23,000, or 1%, in 1996 
compared to 1995, reflecting the impact of fewer staff and staff replacements 
at lower salaries. Although research staffing totalled 32 at December 31, 
1996 and at December 31, 1995, staffing was at lower levels during most of 
the first half of 1996 than at December 31, 1996 and during 1995. 
Applications for patents resulted in $64,000 more in expenses in 1996 
compared to 1995. The Company incurred an increase of approximately $22,000 
in 1996 compared to 1995 in payments for scientific advisors mainly due to 
increases in consulting fees and the timing of meetings of the Company's 
Scientific Advisory Board. In addition, equipment rental and maintenance 
expenses increased by $23,000 in 1996, reflecting rental of certain research 
equipment on a month-to-month basis under the terms of an existing lease (see 
Note 7 of Notes to Financial Statements).
 
    General and administrative expenses were $1.8 million for 1996 and $1.4 
million for 1995, an increase of approximately 26.5% compared to 1995. 
Professional fees increased by approximately $294,000 in 1996, compared to 
1995, primarily attributed to counsel in connection with the Proposed Merger, 
the Company's efforts to obtain additional financing through, among other 
strategies, corporate collaborations, to secure and protect patents and to 
respond to litigation brought against the Company earlier in the year. See 
"Legal Proceedings." In addition, the Company accrued $62,000 for the 
settlement payment as a general and administrative expense in 1996. 
Compensation expense increased by approximately $33,000, or 4.5%, in 1996, 
compared to 1995, reflecting the addition of a chief counsel near mid-year as 
well as the impact of merit increases awarded earlier in 1996.
 
 
                                       23
<PAGE>

    The Company's interest expense decreased to approximately $36,300 for 1996
from nearly $348,000 for 1995, primarily reflecting borrowings of $1,000,000
under loan agreements in February 1995 and the related issuance of warrants and
borrowing of $1,000,000 upon the issuance to the Partnership of a convertible
note in June 1995. The principal and accrued interest under the loan agreements
and the convertible note were converted into Series C convertible preferred
stock as of September 30, 1995. See Note 8 of Notes to Financial Statements.
Interest income increased in 1996 due to higher cash and cash equivalent
balances as a result of proceeds from the sale of shares of Series C convertible
preferred stock in February 1996. See Note 9 of Notes to Financial Statements.

    Net losses were approximately $4.8 million for 1996 compared to $3.4 million
for 1995. Decreases in revenue earned under research contracts account for most
of the increase in net losses.

Year Ended December 31, 1995 Compared to Year Ended December 31, 1994

    Revenues from operations were $2.9 million in 1995 and $1.8 million in 
1994, with the primary component of revenues in both years consisting of 
research contracts. Revenues in 1995 included $2.3 million of research 
payments earned under the R&D Agreements, $371,600 of contract revenue from 
Boehringer, and $100,300 of grant revenue earned under a five-year National 
Cancer Institute grant awarded in September 1995. In 1994, revenues included 
a one-time license fee of $250,000 and $1.4 million of research payments 
earned under the R&D Agreements.

    Total operating expenses were $6.0 million in 1995, a decrease of
approximately $1.3 million compared to $7.3 million of operating expenses in
1994. Research and development expenses were $4.6 million in 1995 and $5.8
million in 1994. The decrease primarily reflects lower personnel costs resulting
from a planned reduction in staffing during the fourth quarter of 1994 in
anticipation of limited capital resources, and lower depreciation and
amortization expense for equipment and leasehold improvements as a result of
such assets nearing full depreciation. Research staffing decreased to 32 at
December 31, 1995 from 37 at December 31, 1994. In addition, research staffing
was at higher levels during most of 1994 than the level at December 31, 1994,
while staffing during most of 1995 approximated the level at December 31, 1995.
General and administrative expenses, which consisted primarily of compensation
expenses for management and administrative personnel, occupancy expense and
professional fees, were approximately $1.4 million in each of 1994 and 1995.

    The Company's interest expense increased to approximately $348,000 in 1995
compared to $126,000 in 1994. The increase in interest expense reflects
borrowings of $1,000,000 under loan agreements in February 1995 and the related
issuance of warrants and borrowing of $1,000,000 upon the issuance to the
Partnership of a convertible note in June 1995. See "Financial Condition,
Liquidity and Capital Resources" and Note 8 of Notes to Financial Statements.
Interest income decreased to $44,000 in 1995 from $89,000 in 1994 due to lower
cash and cash equivalent balances.

    Net losses were approximately $3.4 million in 1995 and $5.5 million in 1994.
The decrease was primarily due to increased contract research revenues and
decreased research and development expenses.

INFLATION

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

FINANCIAL CONDITION, LIQUIDITY AND CAPITAL RESOURCES
 
    As of December 31, 1996, the Company had cash and cash equivalents of
approximately $486,000, a decrease of nearly $1.2 million compared to December
31, 1995. In February 1996, the Company held a closing on the sale of 1,719,964
shares of Series C convertible preferred stock for proceeds to the Company of
approximately $3,698,000 in a private placement offering that commenced in
December 1995. The offering was

                                      24

<PAGE>

made directly by the Company to the holders of the Company's other preferred 
stock and to new investors. Including an initial closing in December 1995, 
total shares sold in the private placement were 2,099,522 and proceeds to the 
Company were approximately $4,514,000.

    Cash used in operating activities was $4.5 million during 1996 compared to
$1.7 million during 1995, primarily due to a reduction during 1996 in funding
under research agreements. As of December 31, 1995, all funding pursuant to the
R&D Agreements had been received by the Company. In addition, with the receipt
of $25,000 in the first quarter of 1996, all research funding pursuant to the
research agreement with GTI has been received by the Company. The Company had
received approximately $289,500 of contract research payments from Boehringer in
1996 compared to $371,600 received in 1995. Funding required for operating
activities during 1996 was primarily provided by the use of cash reserves and
proceeds received from the sale of shares of Series C convertible preferred
stock in the private placement offering. Funding required for operating
activities during the same period of 1995 was provided by the use of cash
reserves, research contract revenues and funding received under loan agreements.
The loans were converted into shares of Series C convertible preferred stock as
of September 30, 1995. See Note 8 of Notes to Financial Statements.

    The Company expects to continue to finance its anticipated operating losses
and its capital expenditures into May 1997 from existing cash reserves,
approximately $200,000 of grant funding from NCI (including the receivable at
December 31, 1996; see Note 4 of Notes to Financial Statements) for the second
budget year as the Company's share under the Cooperative Grant award received in
September 1995, and the Credit Facility made available to the Company in the
fourth quarter of 1996 from Genzyme. In addition, the Company has a commitment
from a leasing company for up to $700,000 in equipment lease financing available
into June 1997.

    The Company may draw monthly against the Credit Facility an amount equal to
its documented operating costs, up to a maximum amount each month as set forth
below:

<TABLE>
<CAPTION>

               MONTH                  MAXIMUM DRAW
               -----                  ------------
               <S>                    <C>
               December 1996.......   $   250,000
               January 1997........   $   750,000
               February 1997.......   $   650,000
               March 1997..........   $   450,000
               April 1997..........   $   550,000
               May 1997............   $   550,000
</TABLE>

    Amounts not drawn by the Company in a designated month are available to 
cover documented expenses in any later month (subject to the limitations 
described below), provided, however, that if such draws involve individual 
expenditures in excess of $25,000, such expenditures require Genzyme's 
consent. The maximum amount of monthly draws will be reduced by 60% of gross 
revenues received by the Company in the prior month. If the Company's gross 
revenues in any month beginning with November 1996 exceed the product of 
1.6667 and the maximum draw for the succeeding month, the amount of such 
excess will be applied first against the maximum amount which may be drawn in 
the succeeding month, any remaining excess will then be applied against 
amounts which may be drawn that may be carried forwarded from previous months 
and then any remaining excess will be carried forward and reduce the maximum 
amount available in subsequent months. An additional draw of $250,000 may be 
made under the Credit Facility if the SAGE patent licensed by the Company 
from JHU issues while the Credit Facility is in effect, provided that such 
draw must be utilized by the Company to fulfill its obligations to JHU. If 
Genzyme terminates the Merger Agreement under certain circumstances, Genzyme 
will adjust the amount that may be drawn under the Credit Facility to an 
additional $1,500,000 over amounts previously drawn and expended, with draws 
to occur over a period of three months. Amounts advanced under the Credit 
Facility are evidenced by a Subordinated Convertible Promissory Note (the 
"Promissory Note"). The Promissory Note bears interest from the date of each 
advance at a rate of 8.25% per annum and matures on February 10, 2002 (the 
"Maturity Date"). To date, the Company has made $1,650,000 in monthly draws 
under the Credit Facility, with the initial draw of

                                      25

<PAGE>

$1,000,000 occurring in February 1997, after the signing of the Merger 
Agreement and a second draw occurring in March 1997.

    If the Proposed Merger is not completed, the Company expects to incur 
substantial additional costs before it would be able to begin to generate 
revenue from product sales, including costs related to ongoing research and 
development activities, preclinical studies and regulatory compliance, and 
for hiring additional management, manufacturing, scientific, sales and 
administrative personnel. The Company believes that its current cash 
resources and the aforementioned sources of funding, including the Credit 
Facility, are sufficient to fund operations into the middle of 1997 even if 
the Proposed Merger is not completed. The Company will require additional 
financing to continue its operations beyond such time and there can be no 
assurance that sources currently in place would continue to be available 
beyond the second quarter of 1997. The Company may need to obtain funds 
through arrangements with collaberation partners or others that may require 
the Company to relinquish rights to certain of its technologies or product 
candidates. If additional funding is not obtained, the Company would be 
required to significantly curtail its research activities and eventually 
cease operations altogether.

    The Company's independent public accountant's opinion on the Company's
fiscal 1996 audited financial statements includes an explanatory paragraph
stating that the Company's financial condition raises substantial doubt as to
the ability of the Company to continue as a going concern.

ITEM 8. FINANCIAL STATEMENTS

    The Financial Statements for the Company appear elsewhere in this document,
following Item 14, beginning on page F-1.

                                      26

<PAGE>

                                   PART III

ITEM 10. DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

    The Directors and executive officers of the Company are as follows:

<TABLE>
<CAPTION>

NAME                            AGE     POSITION
- ----                            ---     --------
<S>                             <C>     <C>

Michael I. Sherman, Ph.D.        52     President, Chief Executive Officer
                                        and Director

A. Steven Franchak               39     Vice President, Chief Financial Officer,
                                        Treasurer and Director

Arthur H. Bertelsen, Ph.D.       45     Senior Vice President, Research

Alan F. Cook, Ph.D.              57     Vice President, Chemistry and Secretary

Jack L. Bowman(1)                64     Director

Stelios Papadopoulos, Ph.D.(2)   48     Director

Anders P. Wiklund(2)             56     Director

James I. Wyer(1)                 73     Director

</TABLE>

- --------------
(1) Member of Audit Committee
(2) Member of Compensation Committee

    Michael I. Sherman, Ph.D., has been President and Chief Executive Officer of
the Company since July 1990. From 1986 to 1990, he was affiliated with the Roche
Research Center. With his appointment as Senior Director, Cell Biology in 1988,
he was responsible for drug discovery programs in cancer, viral diseases and
immune dysfunction. From 1971 to 1986, he was a member of the Department of Cell
Biology of the Roche Institute of Molecular Biology. Dr. Sherman also held a
joint appointment in the Department of Genetics and Development at the College
of Physicians and Surgeons of Columbia University from 1980 to 1987. Dr. Sherman
was a member until January 1996 of the Scientific Advisory Board of HealthCare
Investment Corporation ("HIC"), a venture capital management company, and serves
on the Board of Trustees of the Biotechnology Council of New Jersey. Dr. Sherman
holds a Ph.D. in Molecular Biology from the State University of New York at
Stony Brook. Dr. Sherman has authored more than 120 papers and articles in the
general areas of biochemistry, molecular biology and cell biology.

    A. Steven Franchak has been Vice President, Chief Financial Officer and
Treasurer since June 1995, and a Director of the Company since July 1995. From
1984 to May 1995, Mr. Franchak was employed by American Cyanamid Company and
held various financial management positions, most recently as Director of
Budgets and Business Planning for the Medical Group from January 1994 to May
1995. From 1989 to 1994, Mr. Franchak had responsibility for managing the
finance function of the Lederle Laboratories Division and through a progression
of positions became Director of Budgets and Business Planning for the Lederle
Laboratories Division in 1991. From 1987 to 1989, Mr. Franchak was Financial
Analyst in American Cyanamid Company's Corporate Budget Department, and from
1984 to 1987 he was Audit Supervisor in the corporate Operations Audit
Department. From 1979 to 1984, Mr. Franchak was an auditor and subsequently a
senior tax accountant with Price Waterhouse. Mr.

                                      27

<PAGE>

Franchak holds a B.S. in Business Administration from Shippensburg University 
and is a Certified Public Accountant.

    Arthur H. Bertelsen, Ph.D., joined the Company in June 1991 as Director of
Molecular and Cell Biology, was appointed Vice President effective January 1994,
and effective January 1996 has been Senior Vice President of Research. Prior
thereto, Dr. Bertelsen served for ten years in various research positions at
Unigene Laboratories, Inc., including Group Leader--Molecular Biology from 1985
until joining the Company. Dr. Bertelsen holds an M.S. in Biochemistry and a
Ph.D. in Cellular and Molecular Biology from New York University and has
published over 25 scientific papers and articles. Dr. Bertelsen has had
extensive experience in recombinant DNA technology and in several other aspects
of biotechnology research.

    Alan F. Cook, Ph.D., joined the Company as Director of Chemistry in 
September 1990, was elected Secretary in December 1990 and was appointed Vice 
President, Chemistry in November 1992. Dr. Cook has 30 years of 
pharmaceutical and biotechnology industry experience and is an expert in 
nucleotide and oligonucleotide chemistry. From 1989 to 1990, Dr. Cook was 
Director of Core Technology--Lifecodes, Inc., a biotechnology company, and he 
served as Director of Nucleic Acid Chemistry at Lifecodes, Inc. from 1987 to 
1989. From 1985 to 1987, Dr. Cook was a Chemistry Group Leader at Enzo 
Biochem Inc. From 1967 to 1985, Dr. Cook served in increasing positions of 
responsibility at Roche. Dr. Cook holds a doctorate in chemistry from 
Birkbeck College of the University of London and has published over 40 papers 
and articles in the field of nucleotide and oligonucleotide chemistry.

    Jack L. Bowman has been a Director of the Company since March 1994. From
1987 until 1994, Mr. Bowman was a company group chairman at Johnson & Johnson,
having primary responsibility for a group of companies in the diagnostic, blood
glucose monitoring and prescription and over-the-counter pharmaceutical
businesses. From 1980 to 1987, Mr. Bowman held various positions at American
Cyanamid Company, most recently as Executive Vice President. From 1969 to 1980,
Mr. Bowman was employed by CIBA-GEIGY Pharmaceutical Division, most recently as
Executive Vice President. Mr. Bowman serves on the Board of Directors of CytRx
Corporation, NeoRx Corporation, Cellegy Pharmaceuticals, Inc. and Cell
Therapeutics, Inc.

    Stelios Papadopoulos, Ph.D., was elected a Director of the Company in 1991.
Dr. Papadopoulos is a Managing Director and Head of the Health Care Investment
Banking Group at PaineWebber Incorporated, which is engaged in investment
banking and securities brokerage. PaineWebber Incorporated served as Sales Agent
in connection with the Company's 1991 private placement of Series B Preferred
Stock and warrants to purchase Common Stock. From 1986 until joining PaineWebber
Incorporated in April 1987, Dr. Papadopoulos was a Vice President in equity
research at Drexel Burnham Lambert Incorporated, an investment banking firm.
From 1985 to 1986, Dr. Papadopoulos was a biomedical technology analyst at
Donaldson, Lufkin and Jenrette Securities Corporation. Prior to that, Dr.
Papadopoulos was a member of the faculty of the Department of Cell Biology at
New York University Medical Center. Dr. Papadopoulos holds a Ph.D. in Biophysics
and an M.B.A. in Finance, both from New York University. Dr. Papadopoulos serves
on the Board of Directors of Diacrin, Inc. and Exelixis Pharmaceuticals, Inc.

    Anders P. Wiklund was elected a Director of the Company effective January 1,
1996. Since January 1997, Mr. Wiklund has been an independent advisor to the
pharmaceutical industry. He has also served as President of Biacore, Inc., a
supplier of analytical instruments to the life sciences industry, since March
1997 and Senior Vice President of Biacore Holding, Inc., its parent corporation,
since January 1997. From January 1996 until December 1996, Mr. Wiklund was Vice
President, Corporate Business Development for Pharmacia & Upjohn, Inc. From
January 1995 until December 1995, he was Executive Vice President of Pharmacia
(U.S. Inc.). From August 1993 to December 1994, he was President and a Director
of Pharmacia Development Corporation, having various responsibilities relating
to Pharmacia's U.S. investments in biotechnology. From 1984 to 1993, he was
Chief Executive Officer, President and a Director of Kabi Vitrum Inc. and Kabi
Pharmacia Inc. Mr. Wiklund is on the Board of Directors of InSite Vision, Inc.,
Vascular Therapeutics, Inc. and Ribozyme Pharmaceuticals Inc.

                                      28

<PAGE>

    James I. Wyer has been a Director of the Company since March 1994. Mr. Wyer
has been Of Counsel to the law firm of St. John & Wayne (and its predecessor
firms) since 1987. From 1973 until 1986, Mr. Wyer was Vice President and General
Counsel of American Cyanamid Company. Mr. Wyer is also a director of TherMold,
Inc., a company engaged in the manufacture and sale of instrumentation for
thermal analysis and development of vibrational molding technology, and William
Penn Life Insurance Company of New York. Mr. Wyer graduated from Yale Law School
in 1949.
 
    All Directors hold office until the next annual meeting of stockholders and
until their successors are duly elected and qualified. Officers are elected to
serve, subject to the discretion of the Board of Directors, until their
successors are appointed. The Company has agreed until the completion of an
initial public offering to designate for election to the Board of Directors one
designee of PaineWebber Incorporated and two designees of HCV II. Currently,
Stelios Papadopoulos is the designee of PaineWebber Incorporated. Since the
resignation of William W. Crouse in September 1996, HCV II has not notified the
Company of any designees for election to the Board of Directors. See "ITEM 13.
CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS."

    Regulations adopted by the Securities and Exchange Commission require the 
Company to identify persons who failed to file or filed late reports required 
under Section 16(a) of the Securities Exchange Act of 1934. Generally, 
directors and officers are required to report changes in their ownership of 
the Company's stock. Based upon available information, the Company believes 
that all required reports were filed on a timely basis.

SCIENTIFIC ADVISORY BOARD AND CONSULTANTS

    The Company's Scientific Advisory Board currently consists of six
individuals having extensive experience in the fields of chemistry, oncology,
virology, rheumatology, molecular genetics or molecular biology. At the
Company's request, the scientific advisors review and evaluate the Company's
research programs and advise the Company with respect to technical matters in
fields in which the Company is involved. The Company's Scientific Advisory Board
meets either as a group or certain members meet in smaller groups or
individually with the Company to review and discuss the Company's progress in
research and development.

    The following table sets forth the name and principal position of each
scientific advisor:

<TABLE>
<CAPTION>

NAME                               PRINCIPAL POSITION
- ----                               ------------------
<S>                                <C>

Bert Vogelstein, M.D., Chairman    Howard Hughes Investigator, The Johns Hopkins
                                   University School of Medicine

Kenneth W. Kinzler, Ph.D.          Associate Professor of Oncology, The Johns
                                   Hopkins University School of Medicine

Kevin Struhl, Ph.D.                David Wesley Gaiser Professor, Department of
                                   Biological Chemistry, Harvard Medical School

Arthur M. Krieg, M.D.              Carver Clinician Scientist and Assistant 
                                   Professor of Rheumatology, Department of
                                   Internal Medicine, The University of Iowa 
                                   College of Medicine

Roger A. Jones, Ph.D.              Professor of Chemistry, Rutgers University

Gary D. Glick, Ph.D.               Associate Professor of Chemistry and 
                                   Associate Scientist of Biophysics Research 
                                   Division, University of Michigan

</TABLE>

                                      29

<PAGE>

    Bert Vogelstein, M.D., has been a professor of Oncology since 1989 at The
Johns Hopkins University School of Medicine, where he received his M.D. Dr.
Vogelstein is a prominent oncologist and molecular biologist who has won major
awards for his research in the area of tumor suppressor genes and oncogenes,
including the American Cancer Society Medal of Honor, the Gairdner Award, the
Lounsberg Award of the National Academy of Sciences for Biology and Medicine,
the National Cancer Institute MERIT Award, the American Association for Cancer
Research Inc. Rhoads Memorial Award, the Milken Family Medical Foundation Cancer
Research Award, the Bristol-Myers Squibb Award for Distinguished Achievement in
Cancer Research, the Anne and Jason Farber Award for Brain Tumor Research and
the Ernst Schering Prize. In 1992, Dr. Vogelstein was elected to the National
Academy of Sciences, and in 1995, he became a Howard Hughes Investigator. Dr.
Vogelstein is widely published in the area of genetics as it relates to cancer
and he has served on the editorial Boards of Science, The New England Journal of
Medicine and Genes, Chromosomes, and Cancer. Dr. Vogelstein is also an advisor
on an ad hoc basis to the National Institutes of Health Scientific Review
Groups.

    All of the scientific advisors are employed by other entities and some 
have consulting agreements with entities other than the Company, some of 
which entities may in the future compete with the Company. The scientific 
advisors are expected to devote only a small portion of their time to the 
Company and are not expected to participate actively in the day-to-day 
affairs of the Company. Certain of the institutions with which the scientific 
advisors are affiliated may adopt new regulations or policies that limit the 
ability of the scientific advisors to consult with the Company.

    It is possible that any inventions or processes discovered by the scientific
advisors will remain the property of such persons or of such persons' employers.
In addition, the institutions with which the scientific advisors are affiliated
may make available the research services of their personnel, including the
scientific advisors, to competitors of the Company pursuant to sponsored
research agreements.

    Each scientific advisor has entered into a consulting agreement with the
Company. The agreements provide for cash compensation of an aggregate of
$107,000 annually. The Company's agreement with Dr. Vogelstein provides for
payments to be made to Dr. Vogelstein or to a non-profit research foundation, at
Dr. Vogelstein's option and direction.

                                      30

<PAGE>

ITEM 11. EXECUTIVE COMPENSATION

SUMMARY COMPENSATION TABLE

    The following table sets forth certain information regarding compensation
paid during each of the last three fiscal years to the Company's Chief Executive
Officer and the Company's other executive officers whose annual compensation for
fiscal 1996 exceeded $100,000.

<TABLE>
<CAPTION>

                                                                                   Long-Term
                                                                                 Compensation
                                                                                 ------------
Name and                                                  Annual Compensation       Stock           All Other
Principal Position                               Year     Salary        Bonus      Options(#)     Compensation(1)
- ------------------                               ----    --------      -------     ----------     ---------------
<S>                                              <C>     <C>           <C>         <C>            <C>

Michael I. Sherman, Ph.D.                        1996    $242,650      $20,000     108,445            $385(2)
  President and Chief                            1995     236,325       30,000      50,000             385(2)
  Executive Officer                              1994     230,000       20,000      46,667(3)          385(2)

A. Steven Franchak                               1996     123,600       12,000       5,500          10,172(4)
  Vice President, Chief Financial                1995      66,818(5)     5,000      22,000             155
  Officer and Treasurer

Alan F. Cook, Ph.D.                              1996     150,280        8,000      11,000             492
  Vice President,                                1995     142,250           --       3,000             492
  Chemistry and Secretary                        1994     140,000           --      26,000(3)          492

Arthur H. Bertelsen, Ph.D.                       1996     160,000        12,000     18,000             241
  Senior Vice President,                         1995     133,250            --     10,000             241
  Research(6)                                    1994     130,000            --     35,835(3)          241

</TABLE>

- --------------
(1) Represents life insurance premiums paid by the Company.
(2) Does not include amounts paid to Dr. Sherman as an automobile allowance,
    which are not required to be reported hereunder.
(3) Includes options that were issued in connection with a 1994 repricing.
(4) Includes $10,000 of moving expense reimbursement.
(5) Mr. Franchak commenced employment with the Company in June 1995.
(6) Effective January 1996, Dr. Bertelsen was appointed Senior Vice President,
    Research.

STOCK OPTIONS

    The following table sets forth certain information with respect to 
individual grants of stock options made during fiscal 1996 to each of the 
executive officers included in the Summary Compensation Table above.

                                      31

<PAGE>

                     OPTIONS/SAR GRANTS IN LAST FISCAL YEAR

<TABLE>
<CAPTION>

                                                                                                    Potential Realizable
                                  Number of        Percent                                            Value at Assumed
                                  Securities       of total                                            Annual Rates of
                                  underlying     Options/SARs                                            Stock Price
                                   Options/       Granted to       Exercise                           Appreciation for
                                     SARs          Employees       or Base                              Option Term
                                    Granted        in fiscal        Price        Expiration       ------------------------
Name                                 (#)(1)           Year          ($/sh)          Date          5%(2)(3)       10%(2)(3)
- ----                              ----------     ------------      --------      -----------      --------       ---------
<S>                               <C>            <C>               <C>           <C>              <C>            <C>

Michael I. Sherman, Ph.D.......     108,445           45.2%          $2.30          6/27/06       $157,245        $397,993
A. Steven Franchak.............       5,500            2.3%          $2.30          3/18/06       $  7,975        $ 20,185
Alan F. Cook, Ph.D.............      11,000            4.6%          $2.30          3/18/06       $ 15,950        $ 40,370
Arthur H. Bertelsen, Ph.D......      18,000            7.5%          $2.30          3/18/06       $ 26,100        $ 66,060

</TABLE>

- --------------
(1) The options indicated vest at a rate of 25% per year, and are subject to
    option provisions regarding termination of the option following termination
    of employment and nontransferability requirements.
(2) The information in these columns illustrates the value that might be
    realized upon exercise of the options assuming the specified compound rates
    of appreciation of the Company's Common Stock over the term of the options.
    The potential realizable value columns are based on the total amount of
    options granted. However, the total amount may not become exercisable (see
    Note 3). In addition, the amounts reflected do not take into account amounts
    required to be paid for federal or state income taxes or option provisions
    regarding termination of the option following termination of employment and
    nontransferability requirements. These amounts were calculated based on
    requirements of the Securities and Exchange Commission and do not
    necessarily reflect the Company's estimate of future stock price growth.
(3) Pursuant to the terms of the Merger Agreement and in accordance with the
    terms of the Company's stock option plans, upon consummation of the Proposed
    Merger, the vesting of the options indicated will be accelerated and any of
    such options not exercised prior to the consummation of the Proposed Merger
    will be terminated. If any of the options indicated are exercised for the
    purchase of shares of the Company's Common Stock, such shares will be
    treated alike with the other outstanding shares of Common Stock for purposes
    of the Proposed Merger. Pursuant to the terms of the Merger Agreement, all
    shares of Common Stock outstanding at the effective time of the Proposed
    Merger will be cancelled without any payment or consideration in respect
    thereof.

                                      32

<PAGE>

    The following table provides information relating to the value of
unexercised options held by the executive officers included in the Summary
Compensation Table at the end of fiscal 1996. No options were exercised by such
executive officers in fiscal 1996.

                  Unexercised Stock Options at Fiscal Year End

<TABLE>
<CAPTION>

                                                                   Value of Unexercised
                                          Total Number                 In-The-Money
                                    of Unexercised Options(#)      Options At Year End(1)
                                    -------------------------      ----------------------
Name                                Exercisable/Unexercisable    Exercisable/Unexercisable
                                    -------------------------    -------------------------
<S>                                       <C>                         <C>

Michael I. Sherman, Ph.D.......           117,100/150,112             $171,890/$6,250
A. Steven Franchak.............            14,250/13,250               $20,700/$7,350
Alan F. Cook, Ph.D.............            27,480/16,000                 $39,810/$750
Arthur H. Bertelsen, Ph.D......            33,742/29,459               $42,619/$1,719

</TABLE>

- --------------
(1) No public market exists for the Company's securities. The amounts shown for
    the value of unexercised in-the-money options are based on a Common Stock
    price of $2.30 per share. This price was the last estimate of the
    Compensation Committee of the Board of Directors of the fair market value of
    the Common Stock made prior to the end of fiscal 1996 for the purpose of
    granting stock options to employees. Pursuant to the terms of the Merger
    Agreement and in accordance with the terms of the Company's stock option
    plans, upon consummation of the Proposed Merger, the vesting of the options
    indicated will be accelerated and any of such options not exercised prior to
    the consummation of the Proposed Merger will be terminated. If any of the
    options indicated are exercised for the purchase of shares of the Company's
    Common Stock, such shares will be treated alike with the other outstanding
    shares of Common Stock for purposes of the Proposed Merger. Pursuant to the
    terms of the Merger Agreement, all shares of Common Stock outstanding at the
    effective time of the Proposed Merger will be cancelled without any payment
    or consideration in respect thereof.

EMPLOYMENT AGREEMENTS AND ARRANGEMENTS

    In June 1993, Dr. Sherman entered into an employment agreement with the
Company, for a term of three years, providing for an annual base salary of
$230,000, subject to adjustment on an annual basis, and an annual bonus of at
least $20,000. In June 1996, the Company and Dr. Sherman entered into a new
employment agreement with an initial term of three years ending on June 30,
1999, with automatic one-year renewals thereafter, unless earlier terminated by
either party upon 60 days notice prior to the end of the then current term. The
agreement contains inventions assignment, non-competition and confidentiality
provisions in favor of the Company. The new agreement provides for an annual
base salary of $242,650, subject to adjustment on an annual basis, and an annual
bonus of at least $20,000. The new agreement further provides that in the event
that prior to March 31, 1997, the Company had a change in control or received
commitments for additional financing of at least $3,000,000 in the aggregate,
Dr. Sherman's annual base salary would be increased from $242,650 to $260,000,
retroactive to July 1, 1996. The Company believes that the Credit Facility
satisfied this requirement, and accordingly, effective February 1997, Dr.
Sherman's annual base salary was raised to $260,000, retroactive to July 1,
1996. If Dr. Sherman's employment is terminated other than for cause, he will be
entitled to salary continuation for a period of twelve months.
 
    In June 1995, Mr. Franchak entered into an at-will employment arrangement
with the Company providing for a monthly base salary of $10,000 and a one-time
signing bonus of $5,000. Pursuant to

                                      33

<PAGE>

such arrangement, Mr. Franchak was paid $10,000 in 1996 for reimbursement of 
moving expenses for relocating his residence to a location closer to the 
Company's facility. This reimbursement payment is subject to a 50% payback if 
Mr. Franchak voluntarily terminates his employment within one year of 
relocating under certain circumstances. Pursuant to such arrangement, if Mr. 
Franchak's employment is terminated by the Company without cause, he is 
entitled to a severance payment equal to three months salary.

    In November 1994, the Company entered into an agreement with Dr. Cook which
provides for a severance payment equal to three months salary if his employment
is terminated by the Company without cause. In May 1991, Dr. Bertelsen entered
into an at-will employment arrangement with the Company that entitles him to a
severance payment equal to three months salary if his employment is terminated
by the Company without cause.

    Each of the Company's executive officers has entered into confidentiality
and patent assignment agreements with the Company.

COMPENSATION OF DIRECTORS

    Directors who are employees of the Company receive no additional
compensation for their service as directors or as members of Committees of the
Board. Commencing in March 1994, the Company has paid its independent Directors
$1,000 for each Board of Directors meeting they attend, and $500 for each
Committee meeting they attend, for their services in such capacities.

COMPENSATION COMMITTEE INTERLOCKS AND INSIDER PARTICIPATION

    Mr. Crouse, a Director of the Company until his resignation as of September
30, 1996, is a General Partner of HealthCare Partners II ("HCP II"). HCP II,
HealthCare Partners III ("HCP III") and HealthCare Partners IV ("HCP IV") are
limited partnerships which serve as the general partners of HealthCare Ventures
II ("HCV II"), HealthCare Ventures III ("HCV III") and HealthCare Ventures IV
("HCV IV"), respectively. HCV II is a principal stockholder of the Company. Mr.
Crouse is also an officer of HealthCare Investment Corporation, which is the
management company for HCV II, HCV III and HCV IV. For a discussion of the
relationship between the Company and HCV II, HCV III and HCV IV see "ITEM 13.
CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS."

    Dr. Papadopoulos, a Director of the Company, is a managing director and
head of the Health Care Investment Banking Group at PaineWebber, Incorporated
("PaineWebber"). PaineWebber Development Corporation, an affiliate of
PaineWebber, is the general partner of PaineWebber R&D Partners III, L.P. (the
"Partnership"). For a discussion of the relationship between the Company and the
Partnership, see "ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS."

ITEM 12. PRINCIPAL STOCKHOLDERS

    The following table sets forth certain information regarding the beneficial
ownership of the Common Stock of the Company as of March 23, 1997 (assuming
conversion of all shares of Preferred Stock held into shares of Common Stock),
by (i) each person known to the Company to be the beneficial owner of more than
5% of the capital stock of the Company, (ii) the executive officers included in
the

                                      34

<PAGE>

Summary Compensation Table above, (iii) each of the current Directors of the 
Company and (iv) all current Directors and executive officers of the Company 
as a group.

<TABLE>
<CAPTION>

                                                  Number of          Percentage
                                                    Shares               of
 Name and Address                                Benefically        Outstanding
of Beneficial Owner(1)                             Owned(2)            Shares
- ----------------------                           -----------        -----------
<S>                                              <C>                <C>

PaineWebber R&D Partners III, L.P............    3,508,670(3)         32.31%

HealthCare Ventures II, L.P..................    2,135,052(4)          21.66%

Michael I. Sherman, Ph.D.....................      408,293(5)           4.09%

Alan F. Cook, Ph.D...........................      72,730(6)               *

Arthur H. Bertelsen, Ph.D....................      67,117(7)               *

A. Steven Franchak...........................      22,875(8)               *

Anders P. Wiklund............................      12,500(9)               *

Jack L. Bowman...............................     17,916(10)               *

James I. Wyer................................     17,916(10)               *

Stelios Papadopoulos, Ph.D...................     50,000(11)               *

All current Directors and executive..........     669,347                 6.62%
officers as a group(11)(12)
(8 persons)

</TABLE>

- --------------
*   Less than 1%

(1)  Except as otherwise indicated, the address of each beneficial owner is c/o
     PharmaGenics, Inc., Four Pearl Court, Allendale, New Jersey 07401.
(2)  Except as otherwise indicated, each of the parties listed above has sole
     voting and investment power over the shares owned.
(3)  The address for the Partnership is c/o PaineWebber Development Corporation,
     1285 Avenue of the Americas, New York, New York 10019. Includes 298,420
     shares of Series A Preferred Stock, 88,864 shares of Series B Preferred
     Stock, and 2,121,386 shares of Series C Preferred Stock and warrants to
     purchase 1,000,000 shares of Common Stock.
(4)  The address for HealthCare Ventures II, L.P. is Twin Towers at Metro Park,
     379 Thornall Street, Edison, New Jersey 08837. Includes 1,795,500 shares of
     Series A Preferred Stock and 106,994 shares of Series B Preferred Stock and
     232,558 shares of Series C Preferred Stock. Does not include warrants to
     purchase 403,988 shares of Common Stock held by HCV II which are not
     exercisable within 60 days of March 23, 1997. Does not include 247,202
     shares of Series

                                      35

<PAGE>

     C Preferred Stock and warrants to purchase 49,747 shares of Common Stock,
     exercisable within 60 days of March 23, 1997, held by HCV III, or 72,593
     shares of Series C Preferred Stock and warrants to purchase 14,608 shares 
     of Common Stock, exercisable within 60 days of March 23, 1997, held by 
     HCV IV.
(5)  Includes 12,000 shares of Series C Preferred Stock and options to acquire
     121,267 shares of Common Stock exercisable within 60 days of March 23, 
     1997. Does not include options to purchase 145,945 shares of Common Stock
     not exercisable within 60 days of March 23, 1997.
(6)  Includes options to acquire 32,230 shares of Common Stock exercisable 
     within 60 days of March 23, 1997. Does not include options to purchase 
     11,250 shares of Common Stock not exercisable within 60 days of March 
     23, 1997.
(7)  Includes options to acquire 40,117 shares of Common Stock exercisable 
     within 60 days of March 23, 1997. Does not include options to acquire 
     23,084 shares of Common Stock which are not exercisable within 60 days of
     March 23, 1997.
(8)  Includes 6,000 shares of Series C Preferred Stock and options to acquire
     16,875 shares of Common Stock exercisable within 60 days of March 23, 1997.
     Does not include options to acquire 10,625 shares of Common Stock which are
     not exercisable within 60 days of March 23, 1997.
(9)  Incudes 10,000 shares of Series C Preferred Stock and options to acquire
     2,500 shares of Common Stock exercisable within 60 days of March 23, 1997.
     Does not include options to purchase 7,500 shares of Common Stock not
     exercisable within 60 days of March 23, 1997.
(10) Includes options to acquire 17,916 shares of Common Stock granted to each
     of Messrs. Bowman and Wyer, exercisable within 60 days of March 23, 1997.
     Does not include options to acquire 17,084 shares of Common Stock granted 
     to each of Messrs. Bowman and Wyer, not exercisable within 60 days of 
     March 23, 1997.
(11) Includes 50,000 shares of Series C Preferred Stock. Excludes shares of
     Preferred Stock held by the Partnership (see Note 3). PaineWebber
     Development Corporation, an affiliate of PaineWebber, is general partner
     of the Partnership. Dr. Papadopoulos is a Managing Director of PaineWebber
     Incorporated.
(12) Includes 78,000 shares of Series C Preferred Stock and options to acquire
     248,821 shares of Common Stock exercisable within 60 days of March 23, 
     1997. Does not include options to purchase 232,572 shares of Common Stock
     not exercisable within 60 days of March 23, 1997.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

RELATED PARTIES

    HCV II is a principal stockholder of the Company. HealthCare Ventures II 
("HCV II"), HealthCare Ventures III ("HCV III") and HealthCare Ventures IV 
("HCV IV") are limited partnerships with investments in the health care 
field. HealthCare Partners II ("HCP II") is a limited partnership which 
serves as the general partner of HCV II. Mr. Crouse, a former Director of the 
Company from August 1995 through September 1996, is a General Partner of HCP 
II. Wallace Steinberg, a former Director of the Company from September 1990 
until July 1995, was a General Partner of HCP II until his death in July 
1995. In addition, Mr. Crouse is a General Partner of each of HealthCare 
Partners III ("HCP III") and HealthCare Partners IV ("HCP IV"), the general 
partner of HCV III and HCV IV, respectively.

                                      36

<PAGE>

    Everest Trust, a principal stockholder of the Company, holds approximately
24% of the outstanding limited partnership interest in HCV II, and is the sole
limited partner of HCV IV. An affiliate of Everest Trust is a limited partner of
HCP II.
 
    The Company borrowed an aggregate of $1,000,000 (the "Loans") in February
1995 from a group of lenders principally consisting of HCV III, HCV IV and
Everest Trust (the "Lenders"). The Loans were at an interest rate of prime plus
two percentage points, with principal and accrued interest due on December 31,
1995. As of September 30, 1995, the principal and accrued interest on the Loans
were converted into 496,792 shares of Series C Preferred Stock. In connection
with the Loans, the Company granted the Lenders warrants to purchase an
aggregate of 100,000 shares of Common Stock at an exercise price of $0.50 per
share for a term of up to ten years from issuance.
 
    HIC is the management company for HCV II, HCV III and HCV IV. Mr. Crouse is
an officer of HIC. Dr. Sherman, the President and Chief Executive Officer and a
Director of the Company, was a member of the Scientific Advisory Board of HIC
until January 1996.
 
    Dr. Stelios Papadopoulos, who was elected a Director in November 1991, is a
Managing Director of PaineWebber Incorporated. PaineWebber Incorporated acted as
Sales Agent and received compensation (including warrants to purchase 194,400
shares of Common Stock at an exercise price of $7.50 per share, which expired in
November 1996) in connection with the private placement of securities conducted
by the Company in November 1991 (the "1991 Private Placement").

    Dr. Papadopoulos was a director of Xenova from February 1993 until 1996.
The Company has entered into a collaboration with Xenova to search for 
compounds that can restore lost p53 function. Each party is required to pay 
the costs of its own activities. Some of those costs have been, and will 
continue to be, offset by a grant from the National Cancer Institute to the 
Company, Xenova and Memorial Sloan-Kettering of an award of approximately 
$877,000 in the first two years (which commenced in September 1995), with 
approximately $1.4 million anticipated to be awarded over an additional three 
years, subject to funding availability and satisfactory progress of the 
research project. The Company will have exclusive rights to any products in 
the Western Hemisphere and Xenova will have the same rights in the Eastern 
Hemisphere.

    In May 1994, the Company entered into the R&D Agreements with the 
Partnership, pursuant to which the Partnership paid a $250,000 license fee 
and agreed to pay the Company up to $5,750,000 to conduct research and 
development on the Partnership's behalf on targets identified by the Company 
pursuant to a development plan originally projected to extend through March 
1996, but which continued through January 1997. In consideration of such 
payments, the Partnership obtained rights to the results of such research, 
and the Company granted the Partnership an exclusive, royalty-free license to 
use certain patent rights, know-how and technical information owned or 
licensed by the Company. Under the R&D Agreements, upon the occurrence of 
certain events of default (such as failure to perform its obligations, 
default on indebtedness, insolvency, cessation of operations and others), the 
Company would be obligated to make certain payments to the Partnership. In 
March 1995, the R&D Agreements were modified to expand the area of research 
under the development plan, and to accelerate $750,000 of research funding 
under the R&D Agreements into 1995. Under the R&D Agreements, the Company 
also received an option to purchase at any time certain or all of the rights 
owned by the Partnership as a result of the R&D Agreements ("Partnership 
Rights") at an option price ranging from $9.4 million up to $19.2 million, 
depending upon the date of the purchase and the rights purchased. The R&D 
Agreements provided that in the event the Company commenced Phase II clinical 
trials on an agent developed under

                                      37

<PAGE>

the R&D Agreements, the Company would be obligated to exercise the purchase 
option. To date, the Company has not commenced any Phase II clinical trials. 
In consideration for this purchase option, the Company issued to the 
Partnership warrants to purchase up to 1,000,000 shares of the Company's 
common stock (the "Core Warrant") and up to 666,667 shares of the Company's 
common stock (the "Purchase Option Warrant"). The Core Warrant is exercisable 
for a period of five years which commenced July 1, 1996, and the Purchase 
Option Warrant would have been exercisable for a period of four years 
following termination of the Company's purchase option (as described above). 
With the modification of the R&D Agreements in March 1995, the exercise price 
on the Core Warrant and the Purchase Option Warrant was fixed at $2.15 per 
share, subject to antidilution provisions and other adjustments. In June 
1995, the Company executed and delivered a convertible note (the "Note") to 
the Partnership under which the Company borrowed $1,000,000 at an interest 
rate of prime plus two percentage points. In lieu of repayment in cash, the 
Note and accrued interest were converted to 480,242 shares of Series C 
Convertible Preferred Stock of the Company as of September 30, 1995, which 
thereby reduced by $1,000,000 research funding from the Partnership under the 
R&D Agreements. In January 1997, in connection with the Proposed Merger, the 
Partnership exercised its right under the R&D Agreements to exchange the 
Partnership Rights for shares of the Company's preferred stock. This right 
became exercisable by the Partnership upon the Company signing the Merger 
Agreement, which constituted a change of control under the R&D Agreements. 
Under the R&D Agreements, a change of control is defined to include generally 
PharmaGenics agreeing to or completing a consolidation or merger, agreeing to 
be or being acquired, agreeing to or completing the sale or other disposal of 
all or substantially all of its assets or the acquisition of, or tender for, 
50% or more of the outstanding voting securities of PharmaGenics. As a result 
of such exchange, the Company issued to the Partnership 298,420 shares of 
Series A Convertible Preferred Stock, 88,864 shares of Series B Convertible 
Preferred Stock and 1,641,144 shares of Series C Convertible Preferred Stock 
(with an aggregate liquidation preference of $4,750,000). Upon the exercise 
of such right by the Partnership, the Purchase Option Warrant and the R&D 
Agreements terminated. In addition, upon the completion of the Proposed 
Merger, the Core Warrant will be cancelled.

    In January 1993, the Company entered into a license agreement with GTI 
under which the Company granted to GTI an exclusive, royalty-bearing license 
to the use of the Company's p53 and DCC tumor suppressor gene technology for 
use in gene therapy. The Company has retained the rights to co-promote any 
products covered by the agreement within North America. GTI has paid the 
Company $500,000 under the agreement and has agreed to make additional 
payments upon the achievement of particular milestones. The Company and GTI 
have also entered into an agreement under which GTI has made payments of 
$75,000, $100,000, $100,000 and $25,000 in 1993, 1994, 1995 and 1996, 
respectively, to the Company for the performance of research and development. 
In June 1994, GTI and the Company agreed to suspend certain of GTI's 
performance requirements pending results of animal model experiments by the 
Company, which were completed in 1996. The Company's agreement with GTI 
continued without interruption or modification after the acquisition of GTI 
by Novartis (formerly Sandoz, Inc.). In January 1996, GTI returned to the 
Company rights to the DCC tumor suppressor gene. GTI has notified the Company 
of its desire to resume activities with the p53 gene under the original 
performance requirements. HCV II, a principal stockholder of the Company, was 
a principal stockholder of GTI prior to the acquisition of GTI by Novartis 
(formerly Sandoz, Inc.).

                                      38

<PAGE>

FINANCINGS

    The Company was initially capitalized through a series of loans from October
1990 to April 1991 from HCV II, aggregating $2 million. Interest accrued on all
notes at 10%. All such indebtedness was repaid by the Company in April 1991.

    In April 1991, the Company entered into a convertible preferred stock and
warrant purchase agreement (the "Preferred Stock Agreement") with HCV II and
Everest Trust, whereby the Company sold an aggregate of 2,160,000 shares of
redeemable Series A Preferred Stock for aggregate gross proceeds of
approximately $4 million. The redemption provisions relating to the Series A
Preferred Stock were deleted upon the filing of the Company's Restated
Certificate of Incorporation immediately prior to the closing of the 1991
Private Placement. In connection with the issuance of the Series A Preferred
Stock, the Company issued warrants to purchase an aggregate of 486,000 shares of
Common Stock at an exercise price of $.462 per share. These warrants are
exercisable during the period commencing 180 days after the effective date of an
initial public offering by the Company (or upon the occurrence of certain
events) and ending ten years from their issuance. In connection with the
execution of the Preferred Stock Agreement, the Company entered into a
stockholders' agreement (the "Stockholders' Agreement") with HCV II and Everest
Trust, granting certain demand and piggyback registration rights with respect to
shares of Common Stock issuable upon conversion of all outstanding shares of
Series A Preferred Stock. The Stockholders' Agreement, which was amended
effective as of the closing of the 1991 Private Placement, provides that any
holder of more than 10% of the outstanding Series A Preferred Stock and Series B
Preferred Stock is entitled to certain preemptive rights, which preemptive
rights expire after the closing of an initial public offering in which the
Company sells stock at a price of at least $7.50 per share and receives gross
proceeds of the least $10,000,000.

    In April 1991, the Company sold 206,270 shares of Common Stock to Dr.
Sherman for an effective purchase price of $.019 per share. Such sale was made
pursuant to a Restricted Stock Purchase Agreement, which granted the Company
certain rights to repurchase such stock for the original purchase price upon the
occurrence of certain events within specified periods of time.

    In September 1991, HCV II agreed to make advances to the Company of up to
$2.5 million for working capital until the earlier of the closing of the 1991
Private Placement or September 1992. The loans were to be evidenced by a
promissory note bearing interest at the prime rate plus two percent per annum.
No amounts were advanced by HCV II to the Company.

    In November 1991, HCV II and Everest Trust acquired from the Company for
$7.50 per share, 106,994 and 77,405 shares of Series B Preferred Stock,
respectively, and warrants to acquire 7,430 and 5,375 shares of Common Stock,
respectively, at an exercise price of $7.50 per share, in conjunction with the
closing of the 1991 Private Placement.

    In February 1995, the Company borrowed the Loans from the Lenders. The Loans
plus accrued interest at prime plus two percentage points, due December 31,
1995, were converted into 496,792 shares of Series C Preferred Stock as of
September 30, 1995. In connection with the Loans, the Company granted the
Lenders warrants to purchase an aggregate of 100,000 shares of common stock at
$0.50 per share for a term up to 10 years from the date of issuance.

    In June 1995, the Company executed and delivered the Note to the Partnership
under which the Company borrowed $1,000,000 at an interest rate of prime plus
two percentage points. In lieu of

                                      39

<PAGE>

repayment in cash, the Note and accrued interest were converted into 480,242 
shares of Series C Preferred Stock of the Company as of September 30, 1995, 
on the same terms as those accorded to the Lenders, thereby reducing by 
$1,000,000 research funding from the Partnership under the R&D Agreements.

    In December 1995, the Company commenced a private placement offering of a
minimum of 325,000 shares and a maximum of 3,740,644 shares of Series C
Preferred Stock, par value $.01 per share, at a price of $2.15 per share. The
offering was made directly by the Company to the holders of the Company's other
preferred stock and to new investors. In December 1995, the Company held an
initial closing on 232,558 shares, 65,000 shares and 50,000 shares purchased by
HCV II, Everest Trust and Dr. Papadopoulos, respectively. The final closing for
the offering was held in February 1996, with 12,000 shares, 10,000 shares and
6,000 shares purchased by Dr. Sherman, Mr. Wiklund and Mr. Franchak,
respectively. Total shares sold in the private placement were 2,099,522 and
proceeds to the Company were approximately $4,514,000.

                                      40

<PAGE>

                                    PART IV

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

<TABLE>
<CAPTION>

<S>       <C>

(a)(1)    The response to this portion of Item 14 is submitted as
          a separate section of this report commencing on page F-1.

(a)(2)    The Financial Statement Schedules are omitted because
          they are not applicable or are not required, or because
          the required information is immaterial or is included in
          the financial statements or notes thereto.

(a)(3)    Exhibits. The Exhibits are listed in the Exhibit Index
          appearing below.

(b)       Reports on Form 8-K:

          The Registrant filed a Current Report on Form 8-K, dated
          October 10, 1996, to report, with respect to Item 5
          thereof, the resignation of a director who had
          determined that he did not wish to stand for re-election
          at the Company's next annual meeting of stockholders.

(c)       Exhibits (numbered in accordance with Item 601 of
          Regulation S-K). Certain sequential item numbers have
          been intentionally omitted for presentation and
          incorporation by reference purposes.
</TABLE>

<TABLE>
<CAPTION>

Exhibit #     Description and method of filing
- ---------     --------------------------------
<S>           <C>

2.1        Agreement and Plan of Merger, dated as of January 31, 1997,
           by and between Genzyme Corporation and the Company.(1)

3.1.       Third Restated Certificate of Incorporation.(2)

3.1(a)     Amendment to Third Restated Certificate of Incorporation.(3)

3.1(b)     Certificate of Designation of Series C Convertible Preferred 
           Stock.(4)

3.2.       By-laws, as amended.(5)

4.1.       Warrant Agreement dated November 14, 1991 by and between the Company
           and American Stock Transfer & Trust Company, as Warrant Agent.(5)

4.2.       Form of Warrant Certificate.(5)

4.3.       Form of Common Stock Certificate and Series B Preferred Stock 
           Certificate.(5)

10.1.      Lease dated November 20, 1990, as amended, between AETNA Life 
           Insurance Company and the Company.(5)

10.1(a)    Third Amendment to Exhibit 10.1.(6)

10.1(b)    Fourth Amendment to Exhibit 10.1.(3)

10.2.      Letter Agreement dated June 8, 1990 between the Company and 
           Michael I. Sherman.(5)

10.3.      Non-Transferable, Non-Qualified Stock Option Agreement dated 
           March 27, 1991 between the Company and Michael I. Sherman.(5)

10.4.      Restricted Stock Purchase Agreement dated April 24, 1991 between 
           the Company and Michael I. Sherman.(5)

10.5.      Incentive Stock Option Agreement dated September 27, 1991 between 
           the Company and Michael I. Sherman.(5)

10.9.      Letter Agreement dated July 27, 1990 between the Company and 
           Alan F. Cook.(6)

10.9(a)    Letter Agreement dated November 17, 1994 between the Company 
           and Alan F. Cook.(6)

10.10.     Convertible Preferred Stock and Warrant Purchase Agreement dated 
           April 24, 1991 among the Company and HealthCare Ventures II, L.P. 
           and Everest Trust.(5)

10.11.     Non-Transferable, Non-Qualified Stock Option Agreement dated 
           March 27, 1991 between the Company and Alan F. Cook.(6)

10.11(a)   Incentive Stock Option Agreement dated September 27, 1991 between 
           the Company and Alan F. Cook.(6)

                                      41

<PAGE>

10.12.     Stockholders' Agreement dated April 24, 1991 among the Company and 
           HealthCare Ventures II, L.P. and Everest Trust.(5)

10.12(a)   Amendment to Stockholders' Agreement.(7)

10.12(b)   Amendment to Stockholders' Agreement.(2)

10.13.     Warrant to Purchase Shares of Common Stock dated September 27, 1991
           issued to HealthCare Ventures II, L.P.(5)

10.14.     Warrant to Purchase Shares of Common Stock dated September 27, 1991 
           issued to Everest Trust.(5)

10.15.     Consent and Agreement to Amend dated September 27, 1991.(5)

10.15(a)   Amendment to Exhibit 10.15.(6)

10.16.     Sales Agency Agreement dated as of October 7, 1991, as amended 
           November 13, 1991, between the Company and PaineWebber 
           Incorporated.(5)

10.17.     Subscription Agreement dated November 14, 1991 among the Company 
           and HealthCare Ventures II, L.P., Everest Trust and Norna Sarofim.(5)

10.18.     Registration Agreement dated November 14, 1991.(5)

10.19.     Registration Agreement dated November 14, 1991.(5)

10.20.     Warrant to purchase Common Stock dated November 14, 1991 issued to 
           PaineWebber Incorporated.(5)

10.21.     1991 Stock Option Plan, as amended.(2)

10.22.     Equipment Lease Agreement, including Warrant Agreement, as amended, 
           between the Company and Comdisco, Inc.(5)

10.23.+    Research Agreement dated March 1, 1989 among The Johns Hopkins 
           University, Hoffmann-La Roche Inc. and the Company.(8)

10.24.+    License Agreement dated February 5, 1992 among The Johns Hopkins 
           University, Hoffmann-La Roche Inc. and the Company.(8)

10.25.+    Agreement dated April 30, 1991 between Hoffmann-La Roche Inc. and 
           the Company.(8)

10.26.+    Agreement dated April 1, 1990 between Georgetown University and the 
           Company.(5)

10.26(a)   Letter Agreement dated January 25, 1993 modifying Exhibit 10.26.(6)

10.27.+    Agreement dated November 1, 1990 between Georgetown University and 
           the Company.(5)

10.28.     Consulting Agreement dated November 24, 1990 between the Company and
           Richard Schlegel.(5)

10.29.     Consulting Agreement dated April 3, 1991 between the Company and Bert
           Vogelstein.(5)

10.30.+    License Agreement dated January 15, 1993 between the Company and
           Genetic Therapy, Inc.(6)

10.31.     Incentive Stock Option Agreement dated February 17, 1993, between the
           Company and Michael I. Sherman.(6)

10.33.     Incentive Stock Option Agreement dated February 17, 1993, between the
           Company and Alan F. Cook.(6)

10.33(a)   Incentive Stock Option Agreement dated March 7, 1994, between the 
           Company and Alan F. Cook.(6)

10.34.+    Research Agreement effective April 1, 1993 between the Company and 
           Genetic Therapy, Inc.(6)

10.35.     Form of Indemnification Agreement.(6)

10.36.     1993 Stock Option Plan, as amended.(2)

10.37.     Letter Agreement dated June 15, 1993, between the Company and Michael
           I. Sherman.(9)

10.38.     Master Equipment Lease Agreement, including Warrant Agreement, dated
           September 10, 1993, between the Company and MMC/GATX Partnership 
           No. 1.(9)

10.39.     1994 Independent Directors Stock Option Plan, as amended.(2)

10.41(a)   Letter Agreement dated May 10, 1991, between the Company and Arthur 
           H. Bertelsen.(7)

10.41(b)   Incentive Stock Option Agreements dated September 27, 1991, February 
           17, 1993, November 22, 1993 and March 7, 1994, between the Company 
           and Arthur H. Bertelsen.(7)

10.41(c)   Non-transferable Non-Qualified Stock Option Agreement dated June 17, 
           1991 between the Company and Arthur H. Bertelsen.(7)

10.42.     Amendment dated March 23, 1994, to Agreement of April 30, 1991 
           between Hoffmann-La Roche Inc. and the Company including Stock 
           Purchase Agreement and Warrants to purchase an aggregate of 150,000
           shares of Common Stock.(7)

10.43.+    Program Agreement dated as of April 1, 1994 between the Company and 
           PaineWebber R&D Partners III, L.P. (the "Partnership").(10)

                                      42

<PAGE>

10.43(a)+  First Amendment to Program Agreement, including Amended and Restated Glossary.(8)

10.44.+    Development Agreement dated as of April 1, 1994 between the Company and the Partnership.(10)

10.44(a)+  Amended and Restated Development Agreement.(8)

10.45.+    Purchase Option Agreement dated as of April 1, 1994 between the Company and the Partnership.(10)

10.45(a)+  Amended and Restated Purchase Option Agreement.(8)

10.46.     Technology Agreement dated as of April 1, 1994 between the Company and the Partnership.(10)

10.46(a)   Amended and Restated Technology Agreement.(8)

10.47.+    Core Warrant dated as of April 1, 1994 issued by the Company to the Fund.(10)

10.47(a)   Amended and Restated Core Warrant.(8)

10.48.+    Purchase Option Warrant dated as of April 1, 1994 issued by the Company to the Partnership.(10)

10.48(a)+  Amended and Restated Purchase Option Warrant.(8)

10.49.+    Stock Purchase Agreement dated as of March 15, 1995 between the Company and the Partnership.(8)

10.50.+    Loan Agreement dated as of February 13, 1995 among the Company, HealthCare Ventures III, L.P.,
           HealthCare Ventures IV, L.P., Everest Trust and Larry Abrams.(8)

10.50(a) Amendment No. 1 to Exhibit 10.50(3)

10.51.+  Letter Agreement dated September 13, 1994 between the Company and Boehringer Mannheim GmbH, as
         supplemented December 7, 1994.(8)

10.52.+  License Agreement dated as of September 1, 1995 between the Company and The Johns Hopkins
         University.(3)

10.52(a) Amendment No. 1 to License Agreement.(11)

10.53    Letter Agreement dated June 8, 1995 between the Company and A. Steven Franchak.(3)

10.54    Non-Qualified Stock Option Agreement dated July 6, 1995 between the Company and A. Steven
         Franchak.(3)

10.54(a) Incentive Stock Option Agreement dated September 1, 1995 between the Company and A. Steven
         Franchak.(12)

10.55  Convertible Note dated June 8, 1995 between the Company and the 
       Partnership.(3)

10.56  Registration Rights Agreement dated February 13, 1996.(12)

10.57  Incentive Stock Option Agreements dated September 25, 1995 and March
       18, 1996 between the Company and A. Steven Franchak.(12)

10.58  Incentive Stock Option Agreements dated September 25, 1995 and March 18, 
       1996 between the Company and Arthur H. Bertelsen.(12)

10.59  Incentive Stock Option Agreements dated September 25, 1995 and March 18, 
       1996 between the Company and Alan F. Cook.(12)

10.62  Letter Agreement dated June 27, 1996 between the Company and Michael I. 
       Sherman.(12)

10.63  Incentive Stock Option Agreements dated September 25, 1995 and June 27, 
       1996, between the Company and Michael I. Sherman.(12)

10.64  Letter Agreement, dated September 1, 1994 between the Company and 
       PaineWebber Incorporated.(12)

10.65  Indemnification Agreement, dated August 15, 1996, between the Company 
       and PaineWebber Incorporated.(12)

10.66  Letter Agreement, dated January 10, 1997, between the Company and 
       PaineWebber Incorporated.(11)

10.67  Subordinated Convertible Promissory Note, dated February 10, 1997 
       payable to Genzyme Corporation.(11)

10.68  Amendment and Agreement dated as of January 31, 1997 between the Company 
       and PaineWebber R&D Partners III, L.P. (amending Exhibit 10.49).(11)

27     Financial Data Schedule.(11)

</TABLE>

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

+ Confidential treatment has been granted by the Commission. The copy filed as
  an exhibit omits the information subject to the Grant of Confidential 
  Treatment.

                                      43

<PAGE>

(1)  Incorporated by reference to the corresponding Exhibit number of
     Registrant's Current Report on Form 8-K dated February 18, 1997.
(2)  Incorporated by reference to the corresponding Exhibit number of
     Registrant's Quarterly Report on Form 10-Q for the quarter ended September
     30, 1994.
(3)  Incorporated by reference to the corresponding Exhibit number of
     Registrant's Quarterly Report on Form 10-Q for the quarter ended September
     30, 1995.
(4)  Incorporated by reference to the corresponding Exhibit number of
     Registrant's Annual Report on Form 10-K for the year ended December 31,
     1995.
(5)  Incorporated by reference to the corresponding Exhibit number of
     Registrant's Registration Statement on Form 10, No. 0-20138.
(6)  Incorporated by reference to the corresponding Exhibit number of
     Registrant's Annual Report on Form 10-K for the year ended December 31,
     1992.
(7)  Incorporated by reference to the corresponding Exhibit number of
     Registrant's Annual Report on Form 10-K for the year ended December 31,
     1993.
(8)  Incorporated by reference to the corresponding Exhibit number of
     Registrant's Annual Report on Form 10-K for the year ended December 31,
     1994.
(9)  Incorporated by reference to the corresponding Exhibit number of
     Registrant's Quarterly Report on Form 10-Q for the quarter ended September
     30, 1993.
(10) Incorporated by reference to the corresponding Exhibit number of
     Registrant's Quarterly Report on Form 10-Q or 10-Q/A for the quarter ended
     March 31, 1994.
(11) Filed herewith.
(12) Incorporated by reference to the corresponding Exhibit number of
     Registrant's Quarterly Report on Form 10-Q for the quarter ended September
     30, 1996.

                                      44

<PAGE>
                   REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS

To PharmaGenics, Inc.:
 
    We have audited the accompanying balance sheets of PharmaGenics, Inc. as 
of December 31, 1995 and 1996, and the related statements of operations, 
changes in stockholders' equity (deficit) and cash flows for each of the 
three years in the period ended December 31, 1996. These financial statements 
are the responsibility of the Company's management. Our responsibility is to 
express an opinion on these financial statements based on our audits.
 
    We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.
 
    In our opinion, the financial statements referred to above present fairly,
in all material respects, the financial position of PharmaGenics, Inc. as of
December 31, 1995 and 1996, and the results of its operations and its cash flows
for each of the three years in the period ended December 31, 1996, in conformity
with generally accepted accounting principles.
 
    The accompanying consolidated financial statements have been prepared
assuming that the Company will continue as a going concern. The Company has
incurred significant losses from operations since its inception, has a
stockholder's deficit and requires substantial additional capital to fund its
operations. In addition, the Company has a significant operating lease
commitment. As discussed in Notes 1 and 14, as of January 31, 1997, the Company
entered into an agreement and plan of merger with Genzyme Corporation, which is
subject to approval of the stockholders of each company. If the merger is not
consummated, management will be required to consider other alternatives,
including the liquidation of the Company's remaining assets and the payment of
its liabilities and commitments. Management's plans in regard to these matters
are described in Note 1. The financial statements do not include any adjustments
relating to the recoverability and classification of asset carrying amounts or
the amount and classification of liabilities that might result should the
Company be unable to continue as a going concern.
 
                              ARTHUR ANDERSEN LLP
 
ROSELAND, NEW JERSEY
March 3, 1997

                                      F-1

<PAGE>
                               PHARMAGENICS, INC.
                                 BALANCE SHEETS
 
<TABLE>
<CAPTION>
                                                           DECEMBER 31,
                                    -------------------------------------------
<S>                                 <C>                     <C>                                 
ASSETS                                       1995                          1996
                                    ----------------------  -------------------
Current assets:
Cash and cash equivalents.........            $1,639,182               $486,109
Accounts receivable...............                 -                    185,972
Prepaid expenses..................                22,970                 38,183
                                    ----------------------  -------------------
Total current assets..............             1,662,152                710,264


Property and equipment, net of      
  $1,705,980 and $2,073,642 of
  accumulated depreciation........               996,048                782,638


Other assets......................                35,425                 40,425
                                    ----------------------  -------------------
Total assets......................            $2,693,625             $1,533,327
                                    ----------------------  -------------------
                                    ----------------------  -------------------
LIABILITIES

Current liabilities:
Accounts payable and accrued                               
  expenses........................              $942,736              $1,599,987
Deferred revenue..................             1,038,400                 315,200
Current obligations under capital                           
  leases..........................               321,650                 147,102
                                    ----------------------  ------------------- 
Total current liabilities.........             2,302,786               2,062,289

Long-term obligations under           
  capital leases..................                39,280                  25,177                                    
                                    ----------------------  --------------------
Total liabilities.................             2,342,066               2,087,466
                                    ----------------------  -------------------- 
Commitments and contingencies
  (Notes 3, 7, 8, 9 and 11)

STOCKHOLDERS' EQUITY (DEFICIT)
                                     
                                    
                                   
Preferred stock--$.01 par value,    
  10,000,000 shares authorized:    
  Series A convertible preferred   
  stock, 2,500,000 shares designated,                                         
  2,160,000 shares issued and                                 
  outstanding at December 31, 1995                                  
  and 1996, liquidation preference                                  
  4,017,600                                        21,600                21,600
 Series B convertible preferred                                   
 2,500,000 shares designated,
 2,138,399 shares issued and
 outstanding at December 31, 1995 and 1996,                               
 liquidation preference 16,038,000                 21,384                21,384
 Series C convertible preferred stock,                                       
 4,717,700 shares designated, 1,356,592                                      
 and 3,076,556 shares issued and outstanding at
 December 31, 1995 and 1996, respectively,
 liquidation preference $2,916,673 and 
 $6,614,595 at December 31, 1995 and 1996,
 respectively                                      13,566                30,765
Common stock--$.01 par value, 15,000,000
shares authorized, 451,608 and 455,108 
shares issued and outstanding at
December 31, 1995 and 1996, respectively            4,516                 4,551 
Additional paid-in capital                     22,394,917            26,066,218 
Accumulated deficit                           (21,939,837)          (26,692,470)
Deferred compensation                            (164,587)               (6,187)
                                              ------------           -----------
  Total stockholders' equity (deficit)            351,559              (554,139)
                                              ------------           -----------
  Total liabilities and stockholders' 
       equity (deficit)                        $2,693,625            $1,533,327
                                              ------------           -----------
                                              ------------           -----------

</TABLE>

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

                                     F-2

<PAGE>

                               PHARMAGENICS, INC.
                            STATEMENTS OF OPERATIONS
 
<TABLE>
<CAPTION>
                                                                                 YEAR ENDED DECEMBER 31,
                                                                       -------------------------------------------
<S>                                                                    <C>            <C>            <C>
                                                                           1994           1995           1996
                                                                       -------------  -------------  -------------
Revenues:
Research contracts...................................................  $   1,529,595  $   2,783,233  $   1,137,671
License fees and royalties...........................................        250,614            766          4,553
Grants...............................................................         38,000        136,672        276,221
                                                                       -------------  -------------  -------------
Total revenues.......................................................      1,818,209      2,920,671      1,418,445
                                                                       -------------  -------------  -------------
Costs and expenses:
Research and development.............................................      5,821,540      4,608,271      4,498,839
General and administrative...........................................      1,447,501      1,388,095      1,756,164
                                                                       -------------  -------------  -------------
Total costs and expenses.............................................      7,269,041      5,996,366      6,255,003
                                                                       -------------  -------------  -------------
Loss from operations.................................................     (5,450,832)    (3,075,695)    (4,836,558)
Interest expense.....................................................       (125,801)      (347,897)       (36,349)
Interest income......................................................         88,817         44,045        120,274
                                                                       -------------  -------------  -------------
NET LOSS.............................................................  $  (5,487,816)  $ (3,379,547)  $ (4,752,633)
                                                                       -------------  -------------  -------------
                                                                       -------------  -------------  -------------
Net loss per common share............................................  $      (12.28)  $       (7.49) $     (10.49)
                                                                       -------------  -------------  -------------
                                                                       -------------  -------------  -------------
Weighted average common shares outstanding...........................        446,933        451,406        452,970
                                                                       -------------  -------------  -------------
                                                                       -------------  -------------  -------------
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                       F-3
<PAGE>


                               PHARMAGENICS, INC.
                  STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (DEFICIT)
<TABLE>
<CAPTION>
                                   SERIES A       SERIES B       SERIES C
                                  CONVERTIBLE    CONVERTIBLE   CONVERTIBLE            ADDITIONAL
                                   PREFERRED      PREFERRED     PREFERRED    COMMON    PAID-IN        ACCUMULATED   DEFERRED
                                     STOCK         STOCK          STOCK      STOCK     CAPITAL        DEFICIT      COMPENSATION
                                 ------------   -------------  ----------  -------- --------------   ---------     ------------
<S>                              <C>            <C>            <C>         <C>       <C>           <C>             <C>      

Balance, January 1, 1994          $ 21,600       $ 21,384        $  --      $ 4,338   $ 18,278,515  $(13,072,474)   $  --   

Issuance of warrants and shares
  of common stock to acquire
  technology rights                  --              --             --          167        716,833       --            --       

Issuance of shares of common
  stock upon exercise of stock
  options                            --              --             --            7          510         --            --       

Issuance of stock options at 
 below fair market value             --              --             --            --      394,500         --          (394,500)
        

Net loss                             --              --             --           --         --        (5,487,816)      --       
                                  ----------------------------------------------------------------------------------------------

Balance, December 31, 1994         21,600          21,384           --        4,512      19,390,358    (18,560,290)   (394,500)

Conversion of debt into Series C
 Convertible Preferred Stock         --              --           9,770         --        2,090,853        --           --      

Issuance of Series C
 Convertible Preferred Stock         --              --           3,796         --          812,254        --           --      

Issuance of warrants at below
 fair market value                   --              --             --          --         165,000         --           --      


Issuance of shares of common
  stock upon exercise of stock
  options                            --              --              --          4           334           --           --      

Issuance of stock options at
  below fair market value            --              --             --          --          33,000          --         (33,000)

Cancellation of stock options
  upon employment termination        --              --             --          --         (96,882)         --          96,882 

Amortization of deferred
  compensation                       --              --             --          --            --            --         166,031

Net loss                             --              --             --          --            --     (3,379,547)        --      

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

Balance, December 31, 1995         21,600          21,384         13,566       4,516      22,394,917 (21,939,837)     (164,587)

Issuance of Series C
 Convertible Preferred Stock         --              --           17,199        --         3,680,723        --          --      

Issuance of shares of common
  stock upon exercise of stock
  options                            --              --            --             35           1,715        --          --      

Cancellation of stock options
  upon employment termination        --              --            --             --          (11,137)      --          11,137 

Amortization of deferred
  compensation                       --              --            --             --              --        --         147,263 

Net loss                             --              --            --             --              --   (4,752,633)       --     
                                  ----------------------------------------------------------------------------------------------

Balance, December 31, 1996      $  21,600     $  21,384       $  30,765     $   4,551   $  26,066,218  $ (26,692,470) $ (6,187)
                                ---------     ---------       ---------     ---------  -------------   -------------   --------
                                ---------     ---------       ---------     ---------  -------------   -------------   --------

</TABLE>


<TABLE>
<CAPTION>

                                   STOCKHOLDERS' 
                                    EQUITY (DEFICIT)      
                                   -----------------    
                                                 
<S>                              <C>
Balance, January 1, 1994          $ 5,253,363    
                                                 
Issuance of warrants and shares                  
  of common stock to acquire                     
  technology rights                   717,000    
                                                 
Issuance of shares of common                     
  stock upon exercise of stock                   
  options                                 517    
                                                 
Issuance of stock options at                     
 below fair market value              --         
                                                 
                                                 
Net loss                           (5,487,816)   
                                   -----------   
                                                 
Balance, December 31, 1994            483,064    
                                                 
Conversion of debt into Series C                 
 Convertible Preferred Stock        2,100,623    
                                                 
Issuance of Series C                             
 Convertible Preferred Stock          816,050    
                                                 
Issuance of warrants at below                    
 fair market value                    165,000    
                                                 
                                                 
Issuance of shares of common                     
  stock upon exercise of stock                   
  options                                 338    
                                                 
Issuance of stock options at                     
  below fair market value             --   
                                                  
Cancellation of stock options                    
  upon employment termination         --         
                                                 
Amortization of deferred                         
  compensation                        166,031    
                                                 
Net loss                           (3,379,547)   
                                 -------------   
                                                 
Balance, December 31, 1995            351,559    
                                                 
Issuance of Series C                             
 Convertible Preferred Stock        3,697,922    
                                                 
Issuance of shares of common                     
  stock upon exercise of stock                   
  options                               1,750    
                                                 
Cancellation of stock options                    
  upon employment termination         --         
                                                 
Amortization of deferred                         
  compensation                        147,263    
                                                 
Net loss                           (4,752,633)   
                                    ---------    
Balance, December 31, 1996         $ (554,139)   
                                   ----------    
                                   ----------    
                                 
                                 
                                 
                                 


              The accompanying notes are an integral part of these financial statements.
</TABLE>

                                              F-4

<PAGE>
                                            PHARMAGENICS, INC.
                                        STATEMENTS OF CASH FLOWS
<TABLE>
<CAPTION>
                                                                                                    YEAR ENDED DECEMBER 31,
                                                                                        -------------------------------------------
<S>                                                                                         <C>             <C>              <C>
                                                                                            1994           1995            1996
                                                                                        -------------  -------------  -------------
Operating  Activities:

Net loss                                                                              $ (5,487,816) $  (3,379,547) $  (4,752,633)
Adjustments to reconcile net loss to net cash used
 in operating activities:
Depreciation and amortization                                                               698,757        365,305        368,762
Technology rights acquired for common stock and warrants                                    717,000             --             --
Amortization of deferred compensation expense                                                    --        166,031        147,263
Expense  incurred  with the issuance of warrants below fair market value                         --        165,000             --
Interest on  loans  converted  into  Series C Convertible Preferred Stock                        --        100,623             --
Changes in operating assets and liabilities:
(Increase) decrease  in  accounts receivable                                                     --             --       (185,972)
(Increase) decrease  in prepaid  expenses                                                    30,403         26,007        (15,213)
(Increase) decrease  in other  assets                                                         2,758         15,841         (5,000)
Increase (decrease)  in  accounts  payable and accrued expenses                              57,543        543,848         657,251
Increase (decrease) in deferred revenue                                                     701,633        336,767       (723,200)
                                                                                        ------------  ------------    ------------

Net cash  used in  operating activities                                                  (3,279,722)    (1,660,125)    (4,508,742)
                                                                                        ------------  ------------    ------------

Investing Activities:
(Increase) decrease in investments                                                        2,041,875             --              --
Capital expenditures                                                                       (129,026)       (34,290)      (155,352)
                                                                                        ------------  ------------    ------------

Net cash provided by (used in) investing activities                                       1,912,849        (34,290)      (155,352)
                                                                                        ------------  ------------    ------------

Financing Activities:
Payments on capital lease obligations                                                      (381,039)      (235,829)      (188,651)
Proceeds from issuance of common stock                                                          517             338         1,750
Proceeds  from loans  converted  into  Series C Convertible  Preferred  Stock                    --       2,000,000            --
Proceeds  from the  issuance  of Series  C Convertible  Preferred  Stock                         --         816,050     3,697,922
                                                                                        ------------  ------------    ------------

Net cash provided by (used in) financing activities                                        (380,522)      2,580,559     3,511,021
                                                                                        ------------  ------------      ---------


NET CHANGE IN CASH AND CASH EQUIVALENTS                                                  (1,747,395)        886,144    (1,153,073)

Cash and cash equivalents at beginning of year                                            2,500,433         753,038     1,639,182
                                                                                        ------------  ------------    ------------
CASH AND CASH EQUIVALENTS AT END OF YEAR                                               $     753,038   $  1,639,182   $   486,109
                                                                                        ------------  ------------    ------------
                                                                                        ------------  ------------    ------------

Supplemental  disclosure  of cash  flow information:

Cash paid  during the  period for interest                                             $     125,801    $   82,274    $    36,349 
                                                                                        ------------  ------------    ------------
Property and equipment  acquired  under  capital  lease agreements                     $      70,000    $       --    $        --
                                                                                        ------------  ------------    ------------
                                                                                        ------------  ------------    ------------
</TABLE>

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

                                                       F-5
<PAGE>
                               PHARMAGENICS, INC.
 
                         NOTES TO FINANCIAL STATEMENTS
 
NOTE 1--SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
BACKGROUND
 
PharmaGenics, Inc. (the "Company"), a Delaware corporation, was incorporated 
on August 11, 1989. The Company is an integrated drug discovery company 
principally engaged in the research and development of pharmaceuticals for 
the treatment of cancer. The Company's research programs in cancer center 
upon certain key genes, called "tumor suppressor genes," that are responsible 
for the production of proteins that generally function to prevent the 
unregulated growth of cells. The Company targets tumor suppressor genes and 
other cancer-related genes in search of desirable therapeutics against cancer.
 
The Company is subject to a number of risks at this stage of development, 
including, but not limited to, uncertainties relating to whether patents will 
issue and whether patents that issue will provide the Company with adequate 
protection from other products or competitors; dependence on key individuals 
for achievement of the Company's expectations which the Company believes are 
based on reasonable assumptions within the bounds of its knowledge of its 
business and operations; continued collaboration between the Company and its 
corporate, governmental and academic collaborators; establishment of 
additional collaborations with academia or corporations; uncertainty whether 
the Company's research and development activities will result in the 
development of commercially usable products and processes; competition from 
alternative products or processes; uncertainties related to technological 
improvements and advances; the impact of research and product development 
activities of competitors of the Company, many of whom have more substantial 
financial or other resources than those of the Company; the need and ability 
to obtain adequate additional financing necessary to fund continuing 
operations and product development and the terms on which such financing 
might be available; the ability to obtain lease financing for capital 
equipment; uncertainties related to clinical trials; uncertainties of 
obtaining required regulatory approvals; and uncertainties of future 
profitability. The Company expects to incur substantial additional costs 
before it can begin to generate revenue from product sales sufficient to fund 
its operations, including costs related to ongoing research and development 
activities, preclinical studies and regulatory compliance, and for hiring 
additional management, scientific, manufacturing, sales and administrative 
personnel.
 
The Company sold additional shares of Series C convertible preferred stock in 
the first quarter of 1996 (Note 9) and, in connection with entering into an 
Agreement and Plan of Merger as of January 31, 1997 (the "Merger Agreement") 
with Genzyme Corporation ("Genzyme") (see below and Note 14), received a 
stand-by credit facility (the "Credit Facility") (Note 8) under which the 
Company made an initial draw of $1 million in February 1997. The Company 
expects to make additional draws under the Credit Facility and believes that 
the Credit Facility is sufficient to fund operations until the expected 
closing of the proposed merger with Genzyme in May 1997. The Company will 
require substantial additional funds should the proposed merger with Genzyme 
not be consummated. Uncertainties relating to the proposed merger with 
Genzyme and the Credit Facility are additional meaningful factors that could 
cause actual results to differ from the Company's expectations.
 
Pursuant to the Merger Agreement and on the terms and conditions set forth 
therein, subject to approval by the Company's stockholders and Genzyme's 
stockholders and subject to certain other conditions, the Company is to be 
merged with and into Genzyme (the "Proposed Merger") with Genzyme being the 
surviving corporation. The business of the Company is to be combined with 
several of Genzyme's oncology programs to form a new division of Genzyme to 
be known as the Genzyme Molecular Oncology division (Note 14).
 
                                       F-6
<PAGE>


                               PHARMAGENICS, INC.
 
                          NOTES TO FINANCIAL STATEMENTS 

NOTE 1--SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
 
PERVASIVENESS OF ESTIMATES
 
The preparation of financial statements in conformity with generally accepted 
accounting principles requires management to make estimates and assumptions 
that affect the reported amounts of assets and liabilities and disclosure of 
contingent assets and liabilities at the date of the financial statements and 
the reported amounts of revenues and expenses during the reporting period. 
Actual results could differ from those estimates.
 
CASH AND CASH EQUIVALENTS
 
Cash and cash equivalents include cash and highly liquid investments which 
when purchased have a maturity of less than three months.
 
PROPERTY AND EQUIPMENT
 
Property and equipment are stated at cost. Depreciation is computed using the 
straight-line method over the estimated useful lives of the assets which 
range from five to seven years. Leasehold improvements and equipment under 
capital leases are amortized using the straight-line method over the shorter 
of the lease term or the useful lives of the assets.
 
LONG-LIVED ASSETS
 
During 1996, the Company adopted the provisions of Statement of Financial 
Accounting Standards No. 121, "Accounting for the Impairment of Long-Lived 
Assets" ("SFAS 121"). SFAS 121 requires, among other things, that an entity 
review its long-lived assets and certain related intangibles for impairment 
whenever changes in circumstances indicate that the carrying amount of an 
asset may not be fully recoverable. As a result of its review, the Company 
does not believe that any impairment currently exists related to its 
long-lived assets.
 
REVENUE RECOGNITION
 
License fees and royalties are recognized as revenue when earned. Revenues 
under collaborative research and development agreements and grants are 
recognized as earned over the term of the contracts and grants. Payments 
received in advance under these agreements are recorded as deferred revenue 
until earned.
 
RESEARCH AND DEVELOPMENT
 
Research and development costs are charged to expense as incurred.
 
STOCK-BASED COMPENSATION
 
The Company adopted the disclosure requirement of Statement of Financial 
Accounting Standards No. 123, "Accounting for Stock-Based Compensation" 
("SFAS 123") for the year ended December 31, 1996 (Note 9). The Company 
accounts for its stock options under Accounting Principles Board Opinion No. 
25, "Accounting for Stock Issued to Employees."
 
                                       F-7
<PAGE>
                               PHARMAGENICS, INC.
 
                         NOTES TO FINANCIAL STATEMENTS 
 
NOTE 1--SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

NET LOSS PER COMMON SHARE
 
Net loss per common share was computed based on the weighted average number 
of common shares outstanding during the year. Shares issuable upon conversion 
of preferred stock or exercise of options and warrants were not considered, 
as the effect would be antidilutive.
 
NOTE 2--COLLABORATIVE RESEARCH AND DEVELOPMENT AGREEMENTS
 
Agreements with PaineWebber R&D Partners III, L.P.
 
In May 1994, the Company entered into a series of agreements (the "R&D 
Agreements") with PaineWebber R&D Partners III, L.P. (the "Partnership"), 
pursuant to which the Partnership paid a $250,000 license fee and agreed to 
pay the Company up to $5,750,000 to conduct research and development on 
behalf of the Partnership on targets identified by the Company pursuant to a 
development plan originally projected to extend through March 1996, but which 
continued through January, 1997. In consideration of such payments, the 
Partnership obtained rights to the results of such research, and the Company 
granted the Partnership an exclusive, royalty-free license to use certain 
patent rights, know-how and technical information owned or licensed by the 
Company. Under the R&D Agreements, upon the occurrence of certain events of 
default (such as failure to perform its obligations, default on indebtedness, 
insolvency, cessation of operations and others), the Company would be 
obligated to make certain payments to the Partnership. In March 1995, the R&D 
Agreements were modified to expand the area of research under the development 
plan and to accelerate $750,000 of research funding under the R&D Agreements 
into 1995. Under the R&D Agreements, the Company also received an option (the 
"Purchase Option") to purchase at any time certain or all of the rights owned 
by the Partnership as a result of the R&D Agreements (the "Partnership 
Rights") at an option price ranging from $9.4 million up to $19.2 million, 
depending upon the date of the purchase and the rights purchased. The R&D 
Agreements provided that in the event the Company commenced Phase II clinical 
trials on an agent developed under the R&D Agreements, the Company would be 
obligated to exercise the purchase option. To date, the Company has not 
commenced any Phase II clinical trials. In consideration for the Purchase 
Option, the Company issued to the Partnership warrants to purchase up to 
1,000,000 shares of the Company's common stock (the "Core Warrant") and up to 
666,667 shares of the Company's common stock (the "Purchase Option Warrant"). 
The Core Warrant is exercisable for a period of five years which commenced 
July 1, 1996, and the Purchase Option Warrant would have been exercisable for 
a period of four years following termination of the Purchase Option. The 
estimated fair value of $580,000 attributed to these warrants upon issuance 
was charged to research and development expense in 1994. With the 
modification of the R&D Agreements in March 1995, the exercise price on the 
Core Warrant and the Purchase Option Warrant was fixed at $2.15 per share, 
subject to antidilution provisions and other adjustments. In June 1995, the 
Company executed and delivered a convertible note (the "Note") to the 
Partnership under which the Company borrowed $1,000,000 at an interest rate 
of prime plus two percentage points (Note 8). In lieu of repayment in cash, 
the Note and accrued interest were converted into 480,242 shares of Series C 
convertible preferred stock of the Company as of September 30, 1995, which 
thereby reduced by $1,000,000 research funding from the Partnership under the 
R&D Agreements.
 
In January 1997, in connection with the Proposed Merger (Note 14), the 
Partnership exercised its option under the R&D Agreements to exchange the 
Partnership Rights for additional shares of the Company's preferred stock. 
This option became exercisable upon the signing of the Merger Agreement and 
as a result of such exercise, the Company issued to the Partnership in 
February 1997 298,420 shares of Series A convertible preferred stock, 88,864 
shares of Series B convertible preferred stock and 1,641,144 shares of Series 
C convertible preferred stock. The liquidation preference amount of these 
preferred shares, $4,750,000, was charged to research and development expense 
in the first quarter of 1997 because the acquired technology and other rights 
relate to in-process research and development projects that have not yet 
reached technological feasibility and the technology currently has no 
alternative future uses. Upon the exercise of the exchange option by the 
Partnership, the Purchase Option Warrant and the R&D Agreements terminated. 
In addition, upon the completion of the Proposed Merger, the Core Warrant 
will be


                                       F-8
<PAGE>


                               PHARMAGENICS, INC.
 
                         NOTES TO FINANCIAL STATEMENTS 



NOTE 2--Collaborative Research and Development Agreements (continued)

cancelled.  
 
The Company recognized $1,650,000, $2,311,600 and $723,200 of revenues under 
the R&D Agreements in 1994, 1995 and 1996, respectively. In addition, as of 
December 31, 1995 and 1996, the Company had received $1,038,400 and $315,200, 
respectively, of deferred revenue under the R&D Agreements, which relate to 
research activities yet to be completed as of such dates. All funding 
pursuant to the R&D Agreements had been received as of December 31, 1995.
 
OTHER AGREEMENTS
 
The Company has entered into other collaborative research and development 
agreements, some of which provide for payments to the Company. The Company 
earned $129,595 in 1994, $471,633 in 1995 and $414,471 in 1996 under these 
agreements. (Note 10)
 
NOTE 3--RESEARCH AND LICENSE AGREEMENTS
 
AGREEMENTS WITH THE JOHNS HOPKINS UNIVERSITY
 
In March 1991, the Company entered into a Research Agreement (the "Research 
Agreement") with The Johns Hopkins University School of Medicine ("JHU") and 
Hoffmann-La Roche Inc. ("Roche"), and in February 1992, the Company entered 
into a License Agreement (the "License Agreement") with JHU and Roche 
(collectively, the "JHU Agreements"), pursuant to which the Company made 
unrestricted research grants to the Basic Cancer Research Foundation and JHU 
of approximately $818,000 to fund research conducted at JHU by Dr. Bert 
Vogelstein. Dr. Vogelstein has had the sole discretion to determine research 
activities within the specified research areas, which include cancer and 
virology. In return for these payments, JHU granted to the Company and Roche 
a worldwide, exclusive, royalty-bearing license to all technology developed 
within the specified research area pursuant to the JHU Agreements. In 
February 1995, the Research Agreement terminated, with certain provisions 
remaining in effect through August 1995. Certain rights granted to Roche and 
the Company by JHU, and certain of the obligations of Roche and the Company 
to JHU (such as maintaining confidentiality of information, not using JHU's 
name without their consent, not bringing suit against JHU as a result of any 
dispute which arises between Roche and the Company and to reimburse JHU for 
their costs in the event they are involved in such dispute), survived the 
termination of the Research Agreement. The License Agreement continues, 
subject to scheduled royalty payments, until the expiration of the patents 
licensed thereunder.
 
The Company and Roche also entered into supplementary agreements (the "Roche 
Agreements") regarding the development and commercialization of any 
technology developed by Dr. Vogelstein in the research areas specified in the 
JHU Agreements. Pursuant to an initial agreement with Roche, Roche obtained 
the first option to license from JHU any diagnostic applications, the Company 
obtained a license from JHU to any oligonucleotide-based therapeutic 
applications and the Company and Roche jointly obtained a license from JHU to 
any therapeutic applications that are not oligonucleotide-based. Roche has 
agreed to pay the Company royalties at varying rates on sales of any products 
developed by Roche stemming from Dr. Vogelstein's research. Additionally, 
Roche obtained first option rights (the "First Option Rights") to act as the 
Company's partner for research and development programs relating to Dr. 
Vogelstein's technology. At Roche's option, Roche could choose to pay the 
Company to provide mutually agreed upon research and development services for 
diagnostic products. In May 1996, Roche decided not to develop certain 
inventions licensed from JHU and the Company exercised its option, which did 
not require any additional payment, to assume the rights to all of those 
inventions. In October 1996, Roche and the Company signed a term sheet under 
which the Company will be provided a sublicense to any and all diagnostic 
products and 
 
                                       F-9
<PAGE>


                               PHARMAGENICS, INC.

                           NOTES TO FINANCIAL STATEMENTS

NOTE 3--Research and License Agreements (continued) 

applications to which Roche retains rights under the License Agreement, and 
the Company is granted the exclusive right to sublicense to third parties 
Roche's rights to diagnostic products and applications under the License 
Agreement, exclusive of those rights to certain antibody-based diagnostics 
that Roche has assigned to a third party. The term sheet also provides for 
royalties to Roche and sharing of revenues between the Company and Roche.
 
In March 1994, in consideration of 16,666 shares of the Company's common 
stock and warrants to acquire 50,000 shares (of which one-third at an 
exercise price of $10.50 per share expired in March 1995 and the second third 
at an exercise price of $15.00 per share expired in March 1996 and the final 
third at an exercise price of $24.00 per share expire in March 1997) of 
common stock, Roche waived the First Option Rights so that the Company may 
freely seek partners for its Vogelstein-related research and development 
programs. The estimated fair value attributable to these shares and warrants 
of $137,000 was charged to research and development expense in 1994.
 
Effective September 1995, the Company entered into a license agreement (the 
"SAGE Agreement") with JHU and Drs. Bert Vogelstein and Kenneth Kinzler, both 
of JHU, relating to the SAGE technology. In addition to substantial license 
fees paid and milestone payments to be made by the Company to retain an 
exclusive license, the agreement provides for certain additional payments to 
be made by the Company to JHU in the event the Company sublicenses SAGE 
technology to third parties or performs SAGE-related services on behalf of 
third parties.
 
In January 1997, in contemplation of the Proposed Merger (Note 14), the SAGE 
Agreement was amended to waive any possible right JHU may have to a potential 
payment of $5 million resulting from the change of control which would arise 
from the Proposed Merger in exchange for 43,200 shares of the Company's 
Series B convertible preferred stock to be issued to JHU. If the Proposed 
Merger is not consummated, the amendment to the SAGE Agreement shall become 
null and void and the 43,200 shares of the Company's Series B convertible 
preferred stock will not be issued to JHU. The Company is currently in 
discussions with JHU regarding a license to other present and future 
discoveries of Dr. Kinzler, some of which were, or may be, created in 
collaboration with Dr. Vogelstein.
 
NOTE 4--Accounts Receivable
 
In the fourth quarter of 1996, the Company recognized $185,972 of revenue 
earned under an award by the U.S. National Cancer Institute ("NCI") in the 
form of a Cooperative Grant. The Company has received notice from NCI that 
funding is authorized for the second budget year, which had begun in 
September of 1996, of the grant but the Company has not yet obtained funds 
available under the grant to settle this receivable.
 
NOTE 5--Property and Equipment
 
<TABLE>
<CAPTION>
                                                                           DECEMBER 31,
                                                                    --------------------------
<S>                                                                 <C>           <C>
                                                                        1995          1996
                                                                    ------------  ------------
Laboratory and office.............................................  $  1,980,378  $  2,134,630
Leasehold improvements............................................       721,650       721,650
                                                                    ------------  ------------
                                                                       2,702,028     2,856,280
Less: Accumulated depreciation....................................    (1,705,980)   (2,073,642)
                                                                    ------------  ------------
                                                                    $    996,048  $    782,638
                                                                    ------------  ------------
                                                                    ------------  ------------
</TABLE>

 
                                       F-10
<PAGE>


                               PHARMAGENICS, INC.

                           NOTES TO FINANCIAL STATEMENTS

 
NOTE 6--ACCOUNTS PAYABLE AND ACCRUED EXPENSES
 
<TABLE>
<CAPTION>
                                                                            DECEMBER 31,
                                                                      ------------------------
<S>                                                                   <C>         <C>
                                                                         1995         1996
                                                                      ----------  ------------
Accounts payable....................................................  $   94,912  $    152,216
Vacation and other employee benefits................................      84,379        95,139
Legal and professional fees.........................................     129,850       342,254
Collaborative arrangements..........................................     550,000       845,870
Other accrued expenses..............................................      83,595       164,508
                                                                      ----------  ------------
                                                                      $  942,736  $  1,599,987
                                                                      ----------  ------------
                                                                      ----------  ------------
</TABLE>
 
The accrual for collaborative arrangements relates primarily to JHU for 1996 
and solely to JHU for 1995 (Note 3). Other accrued expenses for 1996 includes 
an accrual for settlement of a lawsuit (Note 14).
 
NOTE 7--LEASES
 
CAPITAL LEASE OBLIGATIONS
 
In April 1991, the Company entered into a master lease agreement and granted 
the lessor a warrant to purchase 41,580 shares of the Company's Series A 
convertible preferred stock at $1.85 per share for a term of ten years. In 
September 1993, the Company entered into a master lease agreement and granted 
the lessor a warrant to purchase 10,000 shares of the Company's common stock 
at $7.50 per share for a term of up to ten years. These warrants contain 
certain anti-dilution and/or registration rights.
 
The master lease agreement entered into in September 1993 provides the 
Company the option, effective as of the expiration of the initial lease term, 
to purchase the equipment at fair market value or to renew the lease at 
market value for a minimum of twelve months and a maximum of thirty-six 
months, whereby at the end of such renewal period the Company is obligated to 
purchase the equipment at fair market value. The Company has not exercised 
either of the foregoing options and, in accordance with the terms of the 
lease, the lease has been renewed on a month-to-month basis at the monthly 
payment in effect immediately prior to the expiration of the initial lease 
term. The initial lease term expired in September 1996 on certain equipment 
and in December 1996 on the remaining equipment. The Company has classified 
approximately $133,000 as a current lease obligation reflecting the Company's 
obligation to purchase the equipment and its current intention to exercise 
its purchase option in 1997.
 
Leased equipment with a cost of $820,000 as of December 31, 1995 and 1996 is 
included in property and equipment. Future minimum payments under capital 
lease obligations are as follows:
 
<TABLE>
<CAPTION>
YEAR ENDING
DECEMBER 31,
- -----------------------------------------------------------------------
<S>                                                           <C>
1997                                                       $ 150,160
1998                                                          17,160
1999                                                          10,010
                                                           ---------
                                                             177,330
Less amount representing interest                              5,051
                                                           ---------
                                                             172,279
Less current portion                                         147,102
                                                           ---------
Long-term portion                                          $  25,177
                                                           ---------
                                                           ---------
</TABLE>


                                       F-11
<PAGE>


                               PHARMAGENICS, INC.
 
                          NOTES TO FINANCIAL STATEMENTS


NOTE 7 - LEASES (CONTINUED)
 
OPERATING LEASE
 
The lease on the Company's office and research facilities expires on December 
31, 1999 and contains two three-year renewal options. Monthly rent for the 
remainder of the original lease term is approximately $17,600 basic rent plus 
maintenance and other costs. Accordingly, as of December 31, 1996, the 
minimum basic rent commitment for the remainder of the original lease term is 
$633,600. Rent expense was approximately $297,768, $268,162 and $274,105 in 
1994, 1995 and 1996, respectively.
 
NOTE 8--LOAN AGREEMENTS
 
In February 1995, the Company entered into a loan agreement (the "Loan") with 
certain lenders, who were existing stockholders or affiliates of existing 
stockholders at the time of entering into the Loan, under which the Company 
borrowed an aggregate of $1 million at an interest rate of prime plus two 
percentage points. In connection with the Loan, the Company granted the 
lenders warrants to purchase an aggregate of 100,000 shares of common stock 
at an exercise price of $0.50 per share for a term of up to ten years and 
recorded an expense of $165,000 in 1995 relating to the warrants. The Loan 
and accrued interest, totalling approximately $1,068,100 were converted into 
496,792 shares of Series C convertible preferred stock of the Company as of 
September 30, 1995.
 
In June 1995, the Company executed and delivered a convertible note (the 
"Note") to the Partnership under which the Company borrowed $1 million at an 
interest rate of prime plus two percentage points. In lieu of repayment in 
cash, the Note and accrued interest, totalling approximately $1,032,500, were 
converted into 480,242 shares of Series C convertible preferred stock of the 
Company as of September 30, 1995 (Note 9), and thereby reduced by $1 million 
research funding from the Partnership under the R&D Agreements (Note 2).
 
In October 1996, in anticipation of entering into the Merger Agreement, 
Genzyme made available to the Company the Credit Facility under which the 
Company may draw monthly an amount equal to its documented operating costs, 
up to a specified maximum amount each month. Amounts not drawn by the Company 
in a designated month are available to cover documented operating costs in a 
later month, subject to certain limitations based on revenues. Amounts drawn 
by the Company under the Credit Facility are evidenced by a Subordinated 
Convertible Promissory Note (the "Promissory Note"). The Promissory Note 
bears interest from the date of each draw at a rate of 8.25% per annum and 
matures on February 10, 2002. The Company made an initial draw of $1 million 
in February 1997, after the signing of the Merger Agreement. (Note 14)
 
NOTE 9--STOCKHOLDERS' EQUITY
 
CONVERTIBLE PREFERRED STOCK
 
During 1991, the Company issued 2,160,000 shares of Series A convertible 
preferred stock ("Series A Stock") and warrants to purchase 486,000 shares of 
common stock at $0.462 per share expiring in September 2001 for net proceeds 
of approximately $3,958,000.
 
In November 1991, the Company issued 1,944,000 shares of Series B
convertible preferred stock ("Series B Stock") and warrants to purchase 121,285
shares of common stock pursuant to a private placement (the "Offering"). The
warrants, which were exercisable at $7.50 per share commencing 180 days after
the effective date of an initial public offering of the Company's common stock,
expired on November 14, 1996. The selling agent for the Offering received
warrants, which also expired on November 14, 1996, to purchase 194,400 shares of
common stock at $7.50 per share. Additionally,


                                       F-12
<PAGE>


                               PHARMAGENICS, INC.

                         NOTES TO FINANCIAL STATEMENTS 

NOTE 9-- Stockholders' Equity(continued)

the Company issued 194,399 shares of Series B Stock and warrants, which 
expired on November 14, 1996, to purchase 13,500 shares of common stock at 
$7.50 per share to an investor group consisting of HealthCare Ventures II, 
L.P. ("HCV II"), the Company's principal stockholder, and limited partners of 
HCV II. The net proceeds from these sales of Series B Stock and warrants were 
approximately $14,356,000.
 
As of September 30, 1995, the Company converted the Loan (Note 8) and the 
Note (Note 8) together with accrued interest into 977,034 shares of Series C 
convertible preferred stock ("Series C Stock"). In December 1995, the Company 
commenced a private placement offering of Series C Stock and held an initial 
closing on 379,558 shares of Series C Stock for proceeds to the Company of 
approximately $816,000 from this initial closing. In February 1996, the 
Company held a final closing on the sale of 1,719,964 additional shares of 
Series C Stock for proceeds to the Company of approximately $3,698,000. The 
offering was made directly by the Company to the holders of the Company's 
other preferred stock and to new investors. Total shares of Series C Stock 
sold in the private placement were 2,099,522 and proceeds to the Company were 
approximately $4,514,000.
 
The Series A Stock, Series B Stock and Series C Stock are convertible into 
common shares on a one-to-one basis, subject to certain adjustments. The 
holders of the Series A Stock, Series B Stock and Series C Stock have certain 
dividend, liquidation and registration rights, as defined, and voting rights 
equivalent to the voting rights of common stockholders based on the number of 
common shares they would own pursuant to the conversion calculation. In the 
event of a public offering of the Company's common stock at a price per share 
of at least $7.50 and proceeds to the Company of at least $10 million, each 
share of Series A Stock, Series B Stock and Series C Stock will be 
automatically converted into one share of common stock, subject to adjustment 
for stock dividends and splits.
 
For the effect of the Proposed Merger on the Company's preferred stock, see 
Note 14.
 
COMMON STOCK
 
438,442 shares of common stock currently issued are subject to repurchase 
and/or first refusal rights. For the effect of the Proposed Merger on the 
Company's common stock, see Note 14.
 
WARRANTS
 
Warrants outstanding at December 31, 1996 include the following:
 
<TABLE>
<CAPTION>
                                      NUMBER OF
UNDERLYING STOCK                    WARRANT SHARES                   REFERENCE
- -------------------------------   ----------------------------  --------------
<S>                                         <C>                            <C>
Series A Convertible Preferred           41,580                         Note 7
                                    --------------
                                    --------------
                                                                              
Common                                1,000,000                         Note 2
Common                                  666,667                         Note 2
Common                                  486,000                         Note 9
Common                                  100,000                         Note 8
Common                                   16,666                         Note 3
Common                                   10,000                         Note 7
                                    --------------
                                      2,279,333
                                    --------------
                                    --------------
</TABLE>
 
 
For the effect of the Proposed Merger on the warrants and underlying stock, 
see Note 14.
 

                                       F-13
<PAGE>


                               PHARMAGENICS, INC.
 
                         NOTES TO FINANCIAL STATEMENTS 

NOTE 9-- Stockholders' Equity(continued)


STOCK OPTIONS
 
The Company has reserved 455,283, 483,333 and 133,333 shares of common stock 
under the 1991 Stock Option Plan, as amended, the 1993 Stock Option Plan, as 
amended, and the 1994 Independent Directors Stock Option Plan, as amended, 
respectively, for the granting of either incentive stock options or 
nonqualified stock options. In addition, the Board of Directors approved, 
subject to stockholder approval, an increase of 416,667 shares authorized 
under the 1993 Stock Option Plan. The exercise price of all incentive stock 
options must be at least equal to the fair market value of such shares on the 
date of the grant. The exercise price of the nonqualified stock options is to 
be determined by the Board of Directors. Options vest over various periods 
not exceeding four years and expire no later than ten years from grant date.

Option activity for the above plans is summarized as follows:
 
<TABLE>
<CAPTION>
                                                                                         WEIGHTED-AVERAGE
                                                           OPTIONS       EXERCISE PRICE  EXERCISE PRICE 
- ------------------------------------------------------------------------  -------------  ----------------
<S>                                                            <C>            <C>               <C>
Balance, January 1, 1994                                      247,024
Granted                                                       601,013    $  0.50--$8.10
Exercised                                                       (694)    $ 0.093--$6.75
Cancelled                                                   (249,291)    $ 0.093--$8.10
                                                        ------------- 
Balance, December 31, 1994                                    598,052    $ 0.093--$8.10      $    1.37
Granted                                                       141,896    $  0.50--$2.15      $    1.92
Exercised                                                       (400)    $ 0.50--$1.875      $    0.84
Cancelled                                                   (137,158)    $ 0.462--$2.15      $    1.20
                                                         ------------- 
Balance, December 31, 1995                                    602,390    $ 0.093--$8.10      $    1.55
Granted                                                       249,890    $  2.15--$2.30      $    2.29
Exercised                                                     (3,500)    $         0.50      $    0.50
Cancelled                                                    (88,501)    $ 0.462--$2.30      $    1.98
                                                        -------------  
Balance, December 31, 1996                                    760,279    $ 0.093--$8.10      $    1.75
</TABLE>
 
At December 31, 1996, options were exercisable for the purchase of 405,849 
shares of common stock at a weighted-average exercise price of $1.23. Options 
to purchase 33,747 shares of common stock were available for future grants 
under the 1991 and 1993 stock option plans at December 31, 1996. Options to 
purchase 93,333 shares of common stock were available for future grants under 
the 1994 Independent Directors Stock Option Plan at December 31, 1996.
 
In September 1994, the Compensation Committee of the Board of Directors 
approved the granting of new options with an exercise price of $2.15 per 
share under the 1991 and 1993 Stock Option Plans in exchange for the 
cancellation of certain older options at exercise prices ranging from $6.75 
to $8.10 per share. Under this offer, the Company has exchanged options to 
acquire 179,277 shares, including options to acquire 48,502 shares granted to 
officers and directors of the Company.
 
The Company has recorded deferred compensation of $394,500 in 1994 and 
$33,000 in 1995 for the deemed accounting value of certain nonqualified stock 
option grants made to employees in December 1994 and to certain new employees 
in 1995, respectively. No deferred compensation was recorded in 1996. 
Deferred compensation is being amortized to compensation expense ratably over 
the vesting period of the options. In 1995 and 1996, $166,031 and $147,263, 
respectively, of deferred compensation was amortized to compensation expense.


                                       F-14
<PAGE>


                               PHARMAGENICS, INC.

                         NOTES TO FINANCIAL STATEMENTS 

NOTE 9-- Stockholders' Equity(continued)

 
The Company accounts for its stock options under Accounting Principles Board 
Opinion No. 25, "Accounting for Stock Issued to Employees," under which no 
compensation expense (except for those options granted at an excercise price 
below the fair market value of the underlying stock on the date of grant) has 
been recognized. Pro forma information regarding net loss and net loss per 
share is required by SFAS 123 and has been determined as if the Company had 
accounted for its stock options under the fair value method of SFAS 123. The 
fair value of the stock options was estimated at the date of grant using the 
Black-Scholes option pricing model with the following assumptions for 1995 
and 1996, respectively: risk-free interest rates ranging from 5.84% to 6.12% 
and 6.27% to 6.65%; dividend yield and common stock price volatility of zero; 
and an expected life of the option of 6 years. The weighted-average fair 
value of the options granted during 1995 and 1996 was $0.86 and $0.75, 
respectively. For purposes of pro forma disclosures, the estimated fair value 
of stock options is amortized to expense over the vesting period of the 
options. The Company's pro forma net loss and net loss per share for 1995 do 
not differ materially from the amounts reported. For 1996, the Company's pro 
forma net loss and net loss per share was $4,775,933 and $10.54, 
respectively. Because SFAS 123 has not been applied to stock options granted 
prior to January 1, 1995, the resulting pro forma compensation cost may not 
be representative of the possible compensation cost in future years.
 
For the effect of the Proposed Merger on the stock options and underlying 
stock, see Note 14.
 
NOTE 10--RELATED PARTY TRANSACTIONS
 
Research and development contract revenue earned under an agreement with 
Genetic Therapy, Inc. ("GTI") was $100,000 in each of 1994 and 1995 and 
$25,000 in 1996. HCV II, a principal stockholder of the Company, was a 
principal stockholder of GTI prior to the acquisition of GTI by Novartis 
(formerly Sandoz, Inc.). See Note 2 for additional related party activity.
 
NOTE 11--EMPLOYMENT AND CONSULTING AGREEMENTS
 
In June 1993, the Company entered into an employment agreement with Dr. 
Sherman, its president and chief executive officer, for a term of three 
years, providing for an annual base salary of $230,000, subject to adjustment 
on an annual basis, and an annual bonus of at least $20,000. In June 1996, 
the Company and Dr. Sherman entered into a new employment agreement with an 
initial term of three years ending on June 30, 1999, with automatic one-year 
renewals thereafter, unless earlier terminated by either party upon 60 days 
notice prior to the end of the then current term. The new agreement provides 
for an annual base salary of $242,650, subject to adjustment on an annual 
basis, and an annual bonus of at least $20,000. The new agreement further 
provides that in the event that prior to March 31, 1997 the Company had a 
change in control or received commitments for additional financing of at 
least $3,000,000 in the aggregate, Dr. Sherman's annual base salary would be 
increased from $242,650 to $260,000, retroactive to July 1, 1996. The Company 
believes that the Credit Facility (Note 8) satisfied this requirement, and 
accordingly, effective February 1997, Dr. Sherman's annual base salary was 
raised to $260,000, retroactive to July 1, 1996. If Dr. Sherman's employment 
is terminated, other than for cause, he will be entitled to salary 
continuation for a period of twelve months.
 
The Company has also entered into various other employment and consulting 
agreements. In connection with certain of the agreements, the Company issued 
restricted common stock and granted options to purchase shares of common 
stock (Note 9). Each executive officer (other than Dr. Sherman) is entitled 
to a severance payment equal to 3 months salary if his employment is 
terminated without cause.


                                       F-15
<PAGE>


                               PHARMAGENICS, INC.

                         NOTES TO FINANCIAL STATEMENTS 


NOTE 12--SAVINGS PLAN
 
The Company maintains a savings plan under Section 401(k) of the Internal 
Revenue Code which allows eligible employees to contribute a portion of their 
annual salary to the savings plan. The Company may make discretionary 
contributions. Through December 31, 1996, the Company has not made any 
contributions to this plan.
 

NOTE 13--INCOME TAXES
 
At December 31, 1996, the Company had net operating loss ("NOL") tax 
carryforwards aggregating approximately $23.1 million. The NOL carryforwards 
expire in various years from 2005 through 2011. Pursuant to Federal income 
tax regulations, the annual use of the Company's NOL carryforwards may be 
limited if a cumulative change in ownership of more than fifty percent occurs 
in a three year period. The Proposed Merger (Note 14) is expected to result 
in a limit on the annual use of the Company's NOL carryforwards by Genzyme.
 
The Company accounts for income taxes in accordance with Statement of 
Financial Accounting Standards No. 109, "Accounting for Income Taxes." A 
valuation allowance was established as realization of the tax assets is 
uncertain. The components of the deferred tax amounts, carryforwards and the 
valuation allowance are as follows:
 
<TABLE>
<CAPTION>
                                                       1995          1996
                                                  ------------  -------------
<S>                                                  <C>          <C>
Start-up costs                                     $   800,000  $     535,000
Other temporary differences                            900,000        695,000
NOL carryforwards                                    6,950,000      9,250,000
                                                   -----------  -------------
Total gross deferred tax assets                      8,650,000     10,480,000
Valuation allowance                                (8,650,000)   (10,480,000)
                                                   -----------  -------------
Net deferred tax assets                            $   --       $     --
                                                   -----------  -------------
                                                   -----------  -------------
</TABLE>
 
NOTE 14--Events Subsequent to December 31, 1996
 
On January 24, 1997, the Company and LBC Captial Resources, Inc. ("LBC") 
executed an agreement which settled an action brought by LBC on July 19, 1996 
against the Company in the Superior Court of New Jersey in Bergen County 
alleging breach of contract and related causes of action arising out of an 
agreement between the Company and LBC that obligated LBC to assist the 
Company in finding new sources of capital. LBC asserted in such action that 
the Company improperly declined to pay LBC a commission in accordance with 
the agreement and sought damages in excess of $150,000. The Company made a 
settlement payment of $62,000 to LBC in January 1997. This amount was accrued 
as a charge to general and administrative expense in 1996.
 
As of January 31, 1997, the Company and Genzyme entered into the Merger 
Agreement pursuant to which the Company, on the terms and conditions set 
forth in the Merger Agreement, is to be merged with and into Genzyme with 
Genzyme being the surviving corporation. This Proposed Merger is intended to 
be a tax-free reorganization within the meaning of the Internal Revenue Code. 
As consideration for the Proposed Merger, the Company's stockholders are to 
receive approximately 4 million shares (subject to certain adjustments set 
forth in the Merger Agreement) of a new Genzyme security (the "GMO Stock"), 
representing 40% of the initial equity interest in a new division of Genzyme, 
to be known as the Genzyme Molecular Oncology division (the "GMO Division"), 
to be formed within Genzyme through the combination of the business of the 
Company with several of Genzyme's oncology programs. Because the Company's 
Certificate of Incorporation requires that, in a transaction such as the 
Proposed Merger, an aggregate merger preference be provided to holders 


                                       F-16
<PAGE>


                               PHARMAGENICS, INC.

                         NOTES TO FINANCIAL STATEMENTS 


NOTE 14--Events Subsequent to December 31, 1996 (continued)

of the outstanding shares of the Company's preferred stock before any amounts 
can be provided to holders of outstanding shares of the Company's common 
stock, and because such aggregate merger preference exceeds the aggregate 
value of the 4 million shares of GMO Stock to be received in the Proposed 
Merger (based on the valuation given the GMO Stock under the Merger 
Agreement), no shares of GMO Stock are available for allocation to holders of 
the outstanding shares of the Company's common stock (including stock options 
and warrants for common stock). The Proposed Merger currently is expected to 
be completed in May 1997, subject to approval by the Company's stockholders 
and Genzyme's stockholders and subject to certain other conditions. As 
required by the Merger Agreement, directors, officers and certain other 
stockholders of the Company have entered into stockholder agreements with 
Genzyme pursuant to which they have agreed to vote in favor of the Proposed 
Merger. The number of shares subject to such agreements is sufficient to 
approve the Proposed Merger.
 
In January 1997, in contemplation of the Proposed Merger, the Company agreed 
to issue to JHU 43,200 shares of the Company's Series B Stock immediately 
prior to the consummation of the Proposed Merger in consideration of an 
amendment dated as of January 31, 1997 (the "SAGE Amendment") to the SAGE 
Agreement (Note 3). If the Proposed Merger is not consummated, the SAGE 
Amendment shall become null and void and the foregoing 43,200 shares of the 
Company's Series B Stock will not be issued to JHU.
 
In February 1997, in connection with the Proposed Merger, the Company issued 
to the Partnership 298,420 shares of the Company's Series A Stock, 88,864 
shares of the Company's Series B Stock and 1,641,144 shares of the Company's 
Series C Stock pursuant to the Partnership's exercise of its option to 
exchange all of its Partnership Rights for shares of the Company's preferred 
stock. (Note 2)
 
In February 1997, the Company made an initial draw of $1 million under the 
Credit Facility (Note 8).
 
                                       F-17
<PAGE>

                                   SIGNATURES

    Pursuant to requirements of Section 13 of 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.

Dated: April 2, 1997            PHARMAGENICS, INC.

                                BY:  /S/ MICHAEL I. SHERMAN
                                     -----------------------------------------
                                     Michael I. Sherman, PRESIDENT
                                     AND CHIEF EXECUTIVE OFFICER

                                BY:  /S/ A. STEVEN FRANCHAK
                                     -----------------------------------------
                                     A. Steven Franchak,
                                     VICE PRESIDENT, CHIEF FINANCIAL OFFICER
                                     AND TREASURER

    Pursuant to the requirements of the Securities Exchange Act of 1934, this
report has been signed below by the following persons, which include at least a
majority of the Board of Directors on behalf of the Registrant and in the
capacities and on the dates indicated.

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

/s/ MICHAEL I. SHERMAN            President, Chief Executive
- ------------------------------    Officer and Director          April 2, 1997
Michael I. Sherman

/s/ A. STEVEN FRANCHAK            Vice President, Chief
- ------------------------------    Financial Officer,            April 2, 1997
A. Steven Franchak                Treasurer and Director

/s/ JACK L. BOWMAN                 Director 
- ------------------------------                                  April 2, 1997
Jack L. Bowman

/s/ STELIOS PAPADOPOULOS          Director
- ------------------------------                                  April 2, 1997
Stelios Papadopoulos

/s/ ANDERS P. WIKLUND             Director
- ------------------------------                                  April 2, 1997
Anders P. Wiklund

/s/ JAMES I. WYER                 Director
- ------------------------------                                  April 2, 1997
James I. Wyer





<PAGE>

                                                              Exhibit 10.52(a)

                            AMENDMENT TO LICENSE AGREEMENT
                                  (Gene Sequencing)


         AMENDMENT TO LICENSE AGREEMENT (Gene Sequencing), dated as of 
January 31, 1997 (this "Agreement"), among THE JOHNS HOPKINS UNIVERSITY, a 
Maryland corporation ("JHU"), and PHARMAGENICS, INC., a Delaware corporation 
("PGI").

                                      WITNESSETH

         WHEREAS, JHU and PGI are parties to that certain License Agreement 
(Gene Sequencing), dated as of September 1, 1995 (the "License Agreement") 
(unless otherwise defined herein, terms defined in the License Agreement are 
used herein as therein defined);

         WHEREAS, Section 4.6 of the License Agreement provides, among other 
things, that in the event PGI merges with an entity whose shares are publicly 
traded on the New York Stock Exchange and/or the entity has a fair market 
value of at least one billion dollars, PGI is required to pay to JHU the sum 
of five million dollars (the "Payment");

         WHEREAS, PGI has informed JHU that PGI is currently considering, and 
expects to complete, a merger (the "Merger") with Genzyme Corporation 
("Genzyme"), a Massachusetts corporation, the consummation of which might be 
deemed to require the Payment pursuant to the terms of Section 4.6 of the 
License Agreement; and

         WHEREAS, JHU and PGI desire to amend the License Agreement, in 
consideration of the issuance to JHU of shares of PGI preferred stock to 
provide that the Payment shall not be required to be made with respect to the 
Merger.

         NOW, THEREFORE, in consideration of the foregoing and for other 
consideration, the receipt and sufficiency of which is hereby acknowledged, 
the parties hereto, intending to be legally bound, hereby agree as follows:

         1.   Amendments.

              (a)  Section 4.6 of the License Agreement is hereby deleted in 
its entirety and replaced with the following:  

         "4.6 (a)  In the event PGI is acquired by or merges with an
         entity whose shares are publicly traded on the New York Stock
         Exchange and/or the entity has a fair market value of at least
         one billion dollars, then PGI shall pay to UNIVERSITY five
         million dollars as soon as practical after the acquisition or
         merger.


<PAGE>

              (b)  Notwithstanding anything to the contrary herein, any
         payments required under this Section 4.6 shall only be payable to
         UNIVERSITY once regardless of the number of license agreements in
         effect between the parties hereto which contain this provision.

              (c)  Notwithstanding anything to the contrary herein, no
         payments shall be required under this Section 4.6 in respect of
         the merger of PGI and Genzyme Corporation.

              (d)  From and after the completion of the merger of PGI and
         Genzyme Corporation, the payment required under this Section 4.6
         shall only be required to be made in the event that:

                   (i)  the GMO Division assigns or transfers the
         exclusive right to use the Serial Analysis of Gene Expression
         ("SAGE") technology licensed from JHU for third parties to either
         (a) the General Division or any other division, subsidiary or
         business unit of Genzyme or (b) an entity described in paragraph
         (a); or

                  (ii)  Genzyme and/or the GMO Division sells all or
         substantially all of the assets of the GMO Division to an entity
         whose shares are publicly traded on the New York Stock Exchange
         and/or has a fair market value of at least one billion dollars."

                (iii)  any division, subsidiary or business unit of
         Genzyme other than the GMO Division makes, uses and/or sells
         LICENSED PRODUCTS and/or LICENSED SERVICES under the PATENT
         RIGHTS and/or COMPUTER SOFTWARE without payment to UNIVERSITY
         under Paragraphs 4.1, 4.2 or 4.4 hereof.

              (e)  The amount of license fees and running royalties paid
         by the GMO Division to UNIVERSITY pursuant to Sections 4.1, 4.2
         and 4.4 hereof to UNIVERSITY pursuant to Section 4.9 shall be
         credited against any payment required to be made under this
         Section 4.6.

              (b)  Section 4.9 of the License Agreement is hereby amended by 
adding thereto the following provision:

                                       2

<PAGE>

         "With respect to the calculation of NET SERVICE REVENUE or NET
         SALES with respect to any transaction between the GMO Division
         and any other division, subsidiary or business unit of Genzyme
         Corporation ("Genzyme"), such amounts will be based on the actual
         cost to Genzyme of such transaction; provided, however, that all
         such costs shall be determined by Genzyme on a consistent basis
         with the calculation of similar costs between other divisions,
         subsidiaries or business units of Genzyme.  In addition, NET
         SERVICE REVENUE and NET SALES shall include all sales of LICENSED
         PRODUCTS and all LICENSED SERVICES performed by the GMO Division
         or by Genzyme."


         2.   Issuance of PGI Stock.  In consideration of entering into this 
Agreement, PGI shall, immediately prior to the consummation of the Merger, 
issue to JHU 43,200 shares of PGI Series B Convertible Preferred Stock (the 
"Stock").  The certificates evidencing the Stock shall, prior to the 
completion of the Merger, be held by PGI.  As a result of the Merger, the 
Stock will be converted into the right to receive approximately 40,000 shares 
of "GMO Stock", as defined, and subject to adjustment as described, in the 
Merger Agreement.

         3.   Sponsored Research Agreements.  Following completion of the 
Merger, and as a condition to this Agreement, the GMO Division shall enter 
into a sponsored research agreement with the research lab operated by Dr. 
Kenneth Kinzler at the UNIVERSITY and a 2nd Amendment to the License 
Agreement substantially in the form of the draft agreements previously 
furnished to PGI (drafts dated 1/21/97).

         4.   Representations and Warranties of JHU with Respect to PGI 
Stock.  JHU represents and warrants to, and agrees with, PGI that the Stock 
is being acquired for JHU's own account, for investment purposes only, not 
for the account of any other person, and not with a view to resale to others. 
 JHU will not sell, hypothecate or otherwise transfer any of the Stock 
unless: (a) there is an effective registration statement under the Securities 
Act of 1933, as amended (the "Act"), and applicable state securities laws 
covering any such transaction involving such securities; or (b) in the 
opinion of counsel, concurred in by counsel to PGI, an exemption from the 
registration requirements of the Act and such state laws is available.

         5.   Termination of Waiver Agreement.  If the Merger is not 
consummated, all of the changes to the License Agreement set forth in this 
Agreement shall terminate and become null and void and novated and the stock 
of PGI issued pursuant to Section 2 of

                                      3


<PAGE>

this Agreement shall be cancelled and returned to PGI and the License 
Agreement, as originally executed, shall be reinstated and continue in full 
force and effect as though this Agreement had never been executed.

         6.   Effect.  Except as expressly provided herein, the License 
Agreement shall continue to be, and shall remain, unaltered and in full force 
and effect in accordance with its terms.

         7.   Miscellaneous. 

              (a)  Governing law.  This Agreement shall be governed by and 
construed in accordance with the laws of the State of Maryland.

              (b)  Successor and Assigns.  The terms and provisions of this 
Agreement shall be binding upon and shall inure to the benefit of JHU and PGI 
and their respective successors and assigns.

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

              (d)  Headings.  The headings of any paragraph of this Agreement 
are for convenience only and shall not be used to interpret any provision 
hereof.

              (e)  Modifications.  No modification hereof or any agreement 
referred to herein shall be binding or enforceable unless in writing and 
signed on behalf of the party against whom enforcement is sought.

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to 
be duly executed and delivered by their proper and duly authorized officers 
as of the day and year first above written.

                                       THE JOHN HOPKINS UNIVERSITY
    

                                            /s/ N. Franklin Adkinson, Jr.     
                                       _________________________________________
                                       By:  N. Franklin Adkinson, Jr., M.D.
                                       Title:  Interim Vice Dean for Research 


                                       PHARMAGENICS, INC.


                                           /s/ Michael I. Sherman              
                                       ________________________________________
                                       By:  Michael I. Sherman, Ph.D.
                                       Title:  President and CEO


                                      4



<PAGE>

                                                                 Exhibit 10.66

                                                                   [LETTERHEAD]

January 10, 1997

Confidential

PharmaGenics, Inc.
4 Pearl Court
Allendale, NJ 07401

Attention: Michael I. Sherman, Ph.D.

Gentlemen:

     PaineWebber Incorporated ("PaineWebber") is pleased to act as exclusive 
financial advisor to PharmaGenics, Inc. (the "Company") and its affiliates in 
connection with any proposed sale transaction involving the Company and 
another party (a "Purchaser"), including Genzyme Corporation or any of its 
subsidiaries or affiliates ("Genzyme"). This Agreement supersedes in its 
entirety the engagement letter dated August 15, 1996. This Agreement confirms 
the terms of our engagement.

     As used in this Agreement, the term "sale transaction" means, whether 
effected in one transaction or a series of transactions: (a) any merger, 
consolidation, reorganization or other business combination pursuant to which 
the business of the Company is combined with that of a Purchaser or (b) the 
acquisition, directly or indirectly, by a Purchaser of more than 35% of the 
capital stock or assets of the Company by way of a negotiated purchase or 
otherwise.

     On the terms and subject to the conditions of this Agreement, 
PaineWebber will assist the Company in identifying Purchasers and in 
analyzing, structuring, negotiating and effecting proposed sale transactions. 
If requested by the Company, PaineWebber will render an opinion (the 
"Opinion") as to whether or not the consideration to be received in a 
proposed sale transaction is fair, from a financial point of view, to the 
Company. If an Opinion is requested, the Company will pay PaineWebber $50,000 
in cash upon delivery of such Opinion.

     If, (a) during this engagement, the Company enters into a definitive 
agreement with Genzyme, or (b) within two years after the termination of this 
engagement the Company enters into a definitive agreement which subsequently 
results in a sale transaction with Genzyme, the Company will pay PaineWebber 
a transaction fee in the amount of $500,000, such transaction fee to be paid 
in cash no later than December 15, 1997. Any fee paid to PaineWebber pursuant 
to the previous paragraph will be credited in full against this transaction 
fee.

                                     -1-


<PAGE>

     If, (a) during this engagement, the Company enters into a definitive 
agreement with a Purchaser other than Genzyme ("Non-Genzyme Purchaser"), or 
(b) within two years after the termination of this engagement the Company 
enters into a definitive agreement which subsequently results in a sale 
transaction with a Non-Genzyme Purchaser which in the case of either clause 
(a) or (b) above, (i) PaineWebber identified, or (ii) PaineWebber advised the 
Company regarding a sale transaction, in any such case during the term of 
this engagement, the Company will pay PaineWebber a transaction fee in an 
amount based on the purchase price and calculated pursuant to the attached 
Schedule I, payable at the Non-Genzyme Purchaser's option (i) in cash, (ii) 
in shares of common stock of the Non-Genzyme Purchaser ("Shares") or (iii) in 
a combination of cash and Shares, upon the closing of such sale transaction, 
but in an amount not less than, in any circumstance, $500,000. If any portion 
of the transaction fee is paid in Shares, such Shares will be duly authorized 
and validly issued by the Non-Genzyme Purchaser and will be fully paid-up, 
non assessable, not subject to preemptive rights or similar rights, 
registered under the Securities Act of 1933, as amended, so as to be freely 
tradable and the Non-Genzyme Purchaser shall deliver an opinion of counsel to 
such effect, satisfactory to PaineWebber.

     The term "purchase price" means the sum of the aggregate fair market 
value of any securities issued, and any cash consideration paid, to the 
Company or its security holders in connection with a sale transaction, plus 
the amount of any indebtedness of the Company that is assumed, directly or 
indirectly, by the Purchaser. The fair market value of any such securities 
will be the value determined by the Company and PaineWebber upon the closing 
of the sale transaction.

     The Company shall have the sole and absolute discretion to engage or 
refuse to engage in discussions with potential Purchasers, to accept or 
reject any proposed sale transaction, or to consummate or refuse to 
consummate any sale transaction.

     In addition to any fees payable to PaineWebber, the Company will 
reimburse PaineWebber, in cash, upon request made from time to time, for all 
of its out-of-pocket expenses incurred in connection with this engagement, 
including the fees, disbursements and other charges of its legal counsel, 
such legal fees not to exceed $30,000, without the prior approval of the 
Company and such approval not to be unreasonably withheld.

     It is further understood that the Opinion, if rendered, will be prepared 
solely for the confidential use of the Board of Directors of the Company and 
will not be reproduced, summarized, described or referred to or given to any 
other person or otherwise made public without PaineWebber's prior written 
consent that shall not be unreasonably withheld to the extent the Company 
desires to include the Opinion in the proxy statement. If the Opinion is 
included in the proxy statement, the Opinion will be reproduced in full, and 
any description of or reference to PaineWebber or summary of the Opinion will 
be in a form acceptable to PaineWebber and its counsel.

     The Company will furnish PaineWebber (and will request that each 
prospective Purchaser with which the Company enters into negotiations furnish 
PaineWebber) with such information as PaineWebber believes appropriate to its 
assignment (all such information so furnished being the "Information"). The 
Company recognizes and confirms that PaineWebber (a) will use and rely

                                     -2-


<PAGE>

primarily on the Information and on information available from generally 
recognized public sources in performing the services contemplated by this 
Agreement and in rendering the Opinion without having independently verified 
the same, (b) does not assume responsibility for the accuracy or completeness 
of the Information and such other information and (c) will not make an 
appraisal of any assets of the Company or any prospective Purchaser. To the 
best of the Company's knowledge, the Information to be furnished by the 
Company, when delivered, will be true and correct in all material respects 
and will not contain any material misstatement of fact or omit to state any 
material fact necessary to make the statements contained therein not 
misleading. The Company will promptly notify PaineWebber if it learns of any 
material inaccuracy or misstatement in, or material omission from, any 
Information theretofore delivered to PaineWebber.

     PaineWebber agrees to keep strictly confidential all non-public 
information provided to it by or on behalf of the Company, a Purchaser or 
in connection with its engagement hereunder and agrees not to disclose 
(except to the extent required by applicable law) the fact or terms of this 
engagement or any such non-public information to any third party, other than 
such of its employees whom PaineWebber determines to have a need to know. 
PaineWebber acknowledges the confidentiality and sensitivity of the 
non-public information it will be receiving and agrees to use its reasonable 
best efforts to protect such confidentiality and agrees to return, within ten 
(10) days after a written request by the Company or a Purchaser, all 
documents containing any such non-public information.

     The term "Non-Public Information" does not include information which: 
(i) is already in our possession and not bound by a confidentiality agreement 
or (ii) is or becomes generally available to the public other than as a result 
of a disclosure by PaineWebber in violation of this Agreement or (iii) 
becomes available to PaineWebber on a non-confidential basis from a source 
other than the Company, provided that such source is not known by PaineWebber 
to be bound by a confidentiality agreement with or other obligations of 
secrecy to the Company, (iv) is disclosed pursuant to subpoena or other legal 
process or otherwise pursuant to any law, regulation or rule or (v) is 
developed by PaineWebber, it directors, officers, employees, agents or 
advisors separate and apart from any disclosures by the Company.

     It is understood that PaineWebber is being engaged hereunder solely to 
provide the services described above to the Board of Directors of the 
Company, and that PaineWebber is not acting as an agent or fiduciary of, and 
shall have no duties or liability to, the equity holders of the Company or 
any other third party in connection with its engagement hereunder, all of 
which are hereby expressly waived, to the extent permitted by law.

     The Company agrees to the indemnification and other agreements set forth 
in the Indemnification Agreement attached to the engagement letter dated 
August 15, 1996 which is superseded by this Agreement, the provisions of 
which are incorporated herein by reference and shall survive the termination, 
expiration or supersession of this Agreement.

     PaineWebber's engagement hereunder may be terminated by either the 
Company or PaineWebber at any time upon written notice to that effect to the 
other party, it being understood

                                     -3-


<PAGE>

that the provisions relating to the payment of fees and expenses and 
indemnification and contribution will survive any such termination.

     THIS AGREEMENT WILL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, 
THE LAWS OF THE STATE OF NEW YORK APPLICABLE TO AGREEMENTS MADE AND TO BE 
PERFORMED ENTIRELY IN SUCH STATE.

     EACH OF THE COMPANY AND PAINEWEBBER AGREES THAT ANY ACTION OR PROCEEDING 
BASED HEREON, OR ARISING OUT OF PAINEWEBBER'S ENGAGEMENT HEREUNDER, SHALL BE 
BROUGHT AND MAINTAINED EXCLUSIVELY IN THE COURTS OF THE STATE OF NEW YORK 
LOCATED IN THE CITY AND COUNTY OF NEW YORK OR IN THE UNITED STATES DISTRICT 
COURT FOR THE SOUTHERN DISTRICT OF NEW YORK. THE COMPANY AND PAINEWEBBER EACH 
HEREBY IRREVOCABLY SUBMITS TO THE JURISDICTION OF THE COURTS OF THE STATE OF 
NEW YORK LOCATED IN THE CITY AND COUNTY OF NEW YORK AND OF THE UNITED STATES 
DISTRICT COURT FOR THE SOUTHERN DISTRICT OF NEW YORK FOR THE PURPOSE OF ANY 
SUCH ACTION OR PROCEEDING AS SET FORTH ABOVE AND IRREVOCABLY AGREE TO BE 
BOUND BY ANY JUDGMENT RENDERED THEREBY IN CONNECTION WITH SUCH ACTION OR 
PROCEEDING. EACH OF THE COMPANY AND PAINEWEBBER HEREBY IRREVOCABLY WAIVES, TO 
THE FULLEST EXTENT PERMITTED BY LAW, ANY OBJECTION WHICH IT MAY HAVE OR 
HEREAFTER MAY HAVE TO THE LAYING OF VENUE OF ANY SUCH ACTION OR PROCEEDING 
BROUGHT IN ANY SUCH COURT REFERRED TO ABOVE AND ANY CLAIM THAT ANY SUCH 
ACTION OR PROCEEDING HAS BEEN BROUGHT IN AN INCONVENIENT FORUM.

     The Company (for itself, anyone claiming through it or in its name, and 
on behalf of its equity holders) and PaineWebber each hereby irrevocably 
waives any right they may have to a trial by jury in respect of any claim 
based upon or arising out of this Agreement or the transactions contemplated 
hereby. This Agreement may not be assigned by either party without the prior 
written consent of the other party.

     This Agreement (including the Indemnification Agreement attached to the 
engagement letter dated August 15, 1996 which is superseded by this 
Agreement) embodies the entire agreement and understanding between the 
parties hereto and supersedes all prior agreements and understandings 
relating to the subject matter hereof, except that the provisions relating to 
strategic alliance transactions into the agreement between PaineWebber and 
the Company dated September 1, 1994 shall remain in effect for such 
transactions. If any provision of this Agreement is determined to be invalid 
or unenforceable in any respect, such determination will not affect such 
provision in any other respect or any other provision of this Agreement, 
which will remain in full force and effect. This Agreement may not be amended 
or otherwise modified or waived except by an instrument in writing signed by 
both PaineWebber and the Company.

                                      -4-


<PAGE>

     Please confirm that the foregoing correctly sets forth our agreement 
by signing and returning to PaineWebber the enclosed duplicate copy of this 
Agreement.

                                                Very truly yours,

                                                PAINEWEBBER INCORPORATED

                                                By /s/ Stelios Papadopoulos
                                                   _________________________
Accepted and Agreed to as of                       Stelios Papadopoulos
the date first written above:                      Managing Director

PHARMAGENICS, INC.

By /s/ Michael I. Sherman
   _______________________
   Michael I. Sherman





                                     -5-

                 

<PAGE>

                   SUBORDINATED CONVERTIBLE PROMISSORY NOTE

$4,950,000                                             Cambridge Massachusetts
                                                             February 10, 1997


    FOR VALUE RECEIVED, PharmaGenics, Inc., a Delaware corporation (the 
"Debtor"), hereby promises to pay to Genzyme Corporation, a Massachusetts 
corporation ("Genzyme"), the principal sum of Four Million Nine Hundred Fifty 
Thousand Dollars ($4,950,000) or such lesser amount as shall have been 
advanced to the Debtor under the Merger Agreement referred to below, together 
with interest on the unpaid principal balance of this Note from time to time
outstanding from the date of each advance at a rate of eight and a quarter
percent (8.25%) per annum (Bank of Boston Base Rate at date of first draw).
All outstanding principal and accrued interest hereunder shall be due and
payable in one lump sum on February 10, 2002 (the "Maturity Date"), unless
accelerated as provided below.

    After the occurrence and during the continuance of an event of default, 
upon notice thereof received from Genzyme, the Debtor shall pay interest at 
the rate per annum equal to the rate set forth under the preceding paragraph 
plus three percent (3%) per annum or, if lower, at the highest applicable 
legal rate. All payments of principal, interest and other amounts payable on 
or in respect of this Note shall be made to Genzyme at its office at One 
Kendall Square, Cambridge, Massachusetts, or to such other place as Genzyme 
may from time to time direct, in lawful money of the United States of 
America, in funds immediately available. Interest shall be computed on the 
basis of a 360-day year and a 30-day month.

1.  Description of Note

    This Note is issued pursuant to Sections 4.17 and 8.3 of the Agreement 
and Plan of Merger dated as of January 31, 1997 (the "Merger Agreement") 
between the Debtor and Genzyme and evidence the advances described therein. 
Neither the foregoing reference to the Merger Agreement nor any provisions 
thereof shall affect or impair the absolute and unconditional obligation of 
the Debtor to pay the principal and interest on this Note as provided herein.

    The date and amount of all advances made by Genzyme to the Debtor under 
the Merger Agreement and each payment made on account of the principal 
hereof, shall be recorded by Genzyme on its books and, prior to any transfer 
of this Note, recorded by Genzyme on the schedule attached hereto or any 
continuation thereof, provided that the failure of Genzyme to make any such 
recordation shall not affect the obligations of the Debtor to make a payment 
when due of any amount owing hereunder with respect to any advances made by 
Genzyme. This Note is non-negotiable and may not be transferred in whole or 
<PAGE>


in part, except in connection with a transfer of substantially all assets of 
Genzyme's General Division.

2.  Subordination

    2.1. Subordination to Senior Indebtedness. The indebtedness evidenced by 
this Note shall be subordinate and junior in right of payment, to the extent 
and in the manner specified below, to all Senior indebtedness outstanding on 
the date of this Note. "Senior Indebtedness" means all indebtedness for 
borrowed money owing from the Debtor to commercial or institutional lenders 
having no equity participation in the Debtor or indebtedness under 
capitalized lease arrangements, including all extensions, renewals or 
refunding thereof, and however evidenced, whether for principal, interest, 
fees, indemnities, costs, expenses or advances, but not including any 
indebtedness which by its terms is subordinated to any other indebtedness of 
the Debtor. Notwithstanding the foregoing, Senior Indebtedness shall not 
include: (i) indebtedness evidenced by this Note; (ii) indebtedness 
consisting of trade payables or other current liabilities; (iii) indebtedness 
for amounts owed by the Debtor to employees or stockholders; (iv) any 
liability for federal, state, local and other taxes owed or owing by the 
Debtor; and (v) any obligation that by operation of law is subordinate to any 
general unsecured obligation of the Debtor.

     2.2. No Payment if Default on Senior Indebtedness. No payment of 
principal or interest shall be made upon, or accepted with respect to, this 
Note and Genzyme shall not initiate any action to seek collection if at the 
time of such payment or immediately after giving effect thereto there shall 
exist or, with the passage of time or giving of notice, would exist any 
Default in respect of any Senior Indebtedness or under any agreement pursuant 
to which such Senior Indebtedness was issued; provided, however, that in the 
case of any default other than a Default in the payment of principal or 
interest on or with respect to Senior indebtedness, the foregoing restriction 
shall cease to apply with respect to such Default at the expiration of 90 
days after notice of the occurrence of such Default has been given by the 
Debtor or any holders of Senior Indebtedness if no holder of Senior 
Indebtedness shall have commenced any action, suit or other legal proceeding 
against the Debtor or its property based upon such Default. Upon the maturity 
of any Senior Indebtedness by lapse of time, acceleration or otherwise, or upon
the maturity of this Note by acceleration resulting from the occurrence of any
event of Default, all principal and interest on all such Senior Indebtedness
shall first be paid in full, or such payment shall have been provided for to
the satisfaction of the holders of Senior Indebtedness, before any payment on
account of principal or interest shall be made upon this Note.

    2.3. Payment upon Dissolution, Etc.

         (a) In the event of any insolvency or bankruptcy proceedings, or any 
receivership, liquidation, reorganization or other similar proceedings in 
connection therewith, relative to the Debtor or to the dissolution or other 
winding up of the Debtor whether or not

                                   2

<PAGE>

involving insolvency or bankruptcy proceedings, all principal and interest on 
the Senior Indebtedness shall first be paid in full before any payment on 
account of principal or interests is made on this Note, and in any such 
proceedings, any payment or distribution of any kind of character, whether in 
cash, property or securities, that may be payable or deliverable in respect 
of this Note shall be paid or delivered to the holders of the Senior 
Indebtedness or their representatives, unless and until the principal of and 
interest on all such Senior Indebtedness shall have been paid and satisfied 
in full; provided, however, that in the event that payment or delivery of 
such cash, property or securities to any holder of this Note is authorized3d by 
an order or decree made by a court of competent jurisdiction in a 
reorganization preceding under any applicable law pursuant to a plan of 
reorganization reflecting the rights conferred hereby upon Senior 
Indebtedness, no payment or delivery of such cash, property or securities 
shall be required hereby to be made to the holders of the Senior Indebtedness 
or their representative, and no such delivery shall be required hereby to be 
made of securities which are issued by the Debtor as reorganized, or by the 
corporation, trust, association or other entity succeeding to the Debtor or 
acquiring its property and assets, pursuant to a plan of reorganization or 
upon the dissolution or liquidation of the Debtor, which are subordinate (at 
least to the extent provided herein) to the payment of all Senior 
Indebtedness (or securities substituted therefor) then outstanding.

          (b) Notwithstanding the foregoing, in the event that any such 
payment or distribution of assets of the Debtor shall be received by any 
holder of this Note in violation of the subordination provision hereof, 
before all Senior Indebtedness is paid in full, or effective provision is 
made for its payment, such payment or distribution shall be received and held 
in trust for and shall be paid over to the holders of all Senior Indebtedness 
remaining unpaid, or their representatives, until such Senior Indebtedness 
shall have been paid in full, after giving effect to any concurrent payment 
or distribution or provision thereof to the holders of such Senior 
Indebtedness.

    2.4. Subrogation. Subject to the prior payment in full of all Senior 
Indebtedness, the holder of this Note shall be subrogated to the rights of 
the holders of Senior Indebtedness to receive payments or distribution of 
assets of the Debtor applicable to the Senior Indebtedness until this Note 
has been paid in full.

    2.5. Holders of Senior Indebtedness

         (a) Each holder of this Note irrevocably authorizes and empowers 
(without imposing any obligation on) each holder of Senior Indebtedness or 
such holder's representatives t demand, sue for, collect, receive and receipt 
for such holder's ratable share of all payments and distributions in respect 
of this Note that are required to be paid or delivered to the holders of 
Senior Indebtedness and to file and prove all such claims and take all such 
other action in the name of the holder of this Note as such holder of Senior 
Indebtedness or such holder's representative may determine to be necessary to 
appropriate and will execute and deliver to each holder of Senior 
Indebtedness or such holder's representatives such other instruments confirming 
such authorization and such powers of attorney, proofs of claim, assignments

                                      3

<PAGE>

of claim and other instrument, and will take all such other action, as may be 
requested by such holder or such holder's representatives in order to enable 
such holder to enforce such holder's ratable share of all such payments and 
distributions in respect of this Note. The subordination provisions of this 
Note may be enforced by the holders of Senior Indebtedness notwithstanding 
any extension, amendment, modification, waiver, compromise, release or 
consent with respect to Senior Indebtedness, excluding8ing any amendment or 
modification that increases the principal amount of any Senior Indebtedness.

          (b) The Debtor and each holder of this Note, for themselves and 
their executors, administrators, heirs, successors and assigns, covenant to 
execute and deliver to the holders of Senior Indebtedness, such further 
instruments and to take such further action as the holders of Senior 
Indebtedness may at any time or times reasonably request in order to carry 
out the provisions hereof.

     2.6. Continuing Offer. This Section 2 shall constitute a continuing 
offer to all persons who, in reliance on such provisions, become holders of, 
or continue to hold, Senior Indebtedness, and such provisions of this Section 
2 are made for the benefit of such holders.

     2.7. Rights of Holders Unimpaired. The foregoing provision as to 
subordination are solely for the purpose of defining the relative rieghts of 
the holders of the Senior Indebtedness on the one hand and holders of this 
Note on the other hand. None of such provisions shall impair, as between the 
Debtor and the holder of this Note, the obligation of the Debtor, which is 
unconditional and absolute, to pay to the holder of this Note the amounts due 
on this Note in accordance with the terms hereof and of the Merger Agreement, 
not shall any such provisions prevent any holder of this note from exercising 
all remedies otherwise permitted by law.

3. Acceleration of Maturity Date and Conversion
    
   3.1. Acceleration of Maturity Date. The Maturity Date shall be 
accelerated, without any further act of the Debtor or Genzyme, upon the 
closing of one or more financing transactions resulting in aggregate gross 
proceeds to the Debtor of $10,000,000 or more.

    3.2. Right to Convert Following Merger. Upon consummation of the merger 
of the Debtor into Genzyme pursuant to the Merger Agreement (the "Merger"), 
this Note shall become a liability allocated to the Molecular Oncology 
Division of Genzyme ("GMO"), and any outstanding principal amount and accrued 
interest hereunder shall be treated as an intracompany loan by the General 
Division of Genzyme to GMO, due on the Maturity Date and convertible at any 
time prior thereto, at Genzyme's option, into GMO Designated Shares (as 
defined in the amendment to Genzyme articles of organization filed in 
connection with the Merger (the "Genzyme Charter")). The number of GMO 
Designated Shares resulting from any conversion of this Note will be 
determined by dividing the principal and interest

                                   4

<PAGE>

being converted by the conversion price (the "GMO Conversion Price")in effect 
on the date of conversion.  The initial GMO Conversion Price will be 
determined upon the closing of the first public offering of GMO securities in 
which the aggregate gross proceeds to GMO equal or exceed $10 million (the 
"Offering"), and shall be equal to (i) the per share price of the Molecular 
Oncology Division Common Stock (the "GMO Stock") sold in the Offering or, 
(ii) if GMO Stock is not sold in the Offering, the initial conversion price 
of any security convertible into GMO Stock that is sold in the Offering, 
provided that if any portion of this Note is converted prior to any Offering, 
the initial Conversion Price will be $7.00.  The GMO Conversion Price shall 
be subject to adjustment as set forth in Section 3.5 below.

     3.3  Right to Convert Following Termination of Merger Agreement.  If the 
Merger Agreement terminates prior to the closing of the Merger any 
outstanding principal amount and accrued interest hereunder, or any portion 
thereof, at any time and at Genzyme's option, shall be (a) convertible into 
fully paid and nonassessable shares of preferred stock of the Debtor having 
rights that are pari passu with the other then outstanding series of 
preferred stock of the Debtor (the "Preferred Stock") and having a 
liquidation preference equal to the initial PGI Conversion Price (as defined 
below); (b) redeemable for Serial Analysis of Gene Expression ("SAGE") 
services or commercially reasonable terms; or (c) applicable against payment 
of all or any portion of a license fee for a license to the SAGE technology 
on terms no less favorable than those offered by the Debtor to unaffiliated 
third party licensees.  As soon as practicable following such a termination 
of the Merger Agreement, but in any event within 120 days thereafter, the 
Debtor shall, if required by applicable law or the Certificate of 
Incorporation of Debtor, cause to be submitted to its stockholders a 
proposal to amend its Certificate of Incorporation to authorize the issuance 
of shares of Preferred Stock as provided in clause (a) above.  The number of 
shares of Preferred Stock issuable upon any conversion of this Note pursuant 
to this Section 3.3 will be determined by dividing the principal and interest 
being converted by the conversion price (the "PGI Conversion Price") in 
effect on the date of conversion.  The initial PGI Conversion Price will be 
$2.15 and will be subject to adjustment as set forth in Section 3.5 below.

     3.4.     Surrender of Note and Delivery of Certificates

     (a)      Upon surrender of this Note for conversion into GMO Designated 
Shares, appropriate record shall be made on the books of Genzyme to reflect 
the increase in the number of GMO Designated Shares into which this Note, or 
any portion hereof, has been converted, in accordance with the provisions 
hereof and of the Genzyme Charter.  Such conversion shall be deemed to have 
been made at the time this Note shall have been surrendered for conversion 
(the "GMO Conversion Date").  If less than the entire outstanding principal 
amount of this Note is being converted, appropriate record shall be made on 
the books of Genzyme to reflect the remaining outstanding principal balance 
of this Note.

                                       5

<PAGE>

     (b)     When surrendered for conversion into shares of Preferred Stock, 
this Note shall, unless the shares of Preferred Stock issuable on conversion 
are to be issued in the same name as the name in which this Note is then 
registered, be duly endorsed by, or accompanied by instruments of transfer in 
form satisfactory to the Debtor duly executed by, the holder or his or its 
duly authorized attorney.  As promptly as practicable after the surrender of 
this Note for conversion, the Debtor shall deliver or cause to be delivered 
at its principal executive office to the holder, or on the holder's written 
order, a certificate or certificates for the number of full shares of 
Preferred Stock issuable upon the conversion of this Note, or portion hereof, 
in accordance with the provisions hereof.  Such conversion shall be deemed to 
have been made at the time this Note shall have been surrendered for 
conversion (the "PGI Conversion Date"), and the holder in whose name any 
certificate or certificates for shares of Preferred Stock shall be issuable 
upon such conversion shall be deemed to have become on the PGI Conversion 
Date the holder or record of the shares of Preferred Stock represented 
thereby.  If less than the entire outstanding principal amount of this Note 
is being converted, a new Note shall promptly be delivered to the holder for 
the unconverted principal balance and shall be of like tenor as to all terms 
as the Note surrendered.  To the extent such shares are to be issued to any 
person other than Genzyme, the Debtor may require reasonable representations 
from any such recipient to assure compliance with federal and state 
securities laws.

     3.5.     Adjustment of Conversion Price

              (a)     In the event of any:

                      (i)  declaration of a stock dividend on the Preferred 
                      Stock or, if the Merger has been consummated, GMO Stock,
                      as the case may be (in either case, the "Shares"),

                      (ii)  subdivision of outstanding Shares into a larger 
                      number of Shares by reclassification, stock split or
                      otherwise, or

                      (iii) combination of outstanding Shares into a smaller 
                      number of Shares by reclassification or otherwise,

the GMO Conversion Price or the PGI Conversion Price, as the case may be (in 
either case, the "Conversion Price"), in effect immediately prior to any such 
event shall be adjusted proportionately so that thereafter the holder of this 
Note shall be entitled to receive upon conversion of this Note the number of 
Shares or other securities which such holder would have owned after the 
happening of any of the events described above had this Note been converted 
immediately prior to the happening of such event, provided that the 
Conversion Price shall in no event be reduced to less than the par value of 
the Shares issuable upon conversion.  An adjustment made pursuant to this 
Section 3.5(a) shall become effective immediately after the record date in the 
case of a dividend and shall become effective immediately after the effective 
date in the case of a subdivision or combination.

                                       6
<PAGE>


            (b)   If, prior to maturity of this Note, the Debtor shall at any 
time consolidate or merge with another corporation (other than the Merger or 
a merger or consolidation in which the Debtor is the surviving corporation), 
the registered holder of this Note will thereafter be entitled to receive, 
upon the conversion hereof, the securities or property to which a holder of 
the number of Shares then deliverable upon the conversion hereof would have 
been entitled upon such consolidation or merger, and the Debtor shall take 
such steps in connection with such consolidation or merger as may be 
necessary to ensure that the provisions hereof shall thereafter be 
applicable, as nearly as reasonably may be, in relation to any securities or 
property thereafter deliverable upon the conversion of this Note.

     3.6.   Notice. In case the Debtor proposes to take any action referred 
to in Section 3.5 above, or to effect the liquidation, dissolution or winding 
up of the Debtor, then the Debtor shall cause notice thereof to be mailed to 
the registered holder of this Note, at least twenty (20) days prior to the 
date on which the transfer books of the Debtor shall close or a record be 
taken for such stock dividend or the date when such reclassification, 
liquidation, dissolution or winding up shall be effective, as the case may be.

     3.7.   Statement of Adjustment. Whenever the Conversion Price shall be 
adjusted as provided in Section 3.5 above, the Debtor shall cause a notice 
setting forth any such adjustment to be sent by mail, first class, postage 
prepaid, to each record holder of this Note. Where appropriate, such notice 
may be given in advance and may be included as part of a notice required to 
be mailed under the provisions of Section 3.6 hereof. Such notice shall be 
conclusive and binding absent manifest error.

     3.8.   Fractional Shares. No fractional Shares shall be issuable upon 
conversion of this Note, but a payment in cash will be made in respect of any 
fraction of a Share which would otherwise be issuable upon the surrender of 
this Note, or portion hereof, for conversion. Such payment shall be based on 
the then applicable Conversion Price at the time of conversion of this Note.

4.   Prepayment of Principal

     The Debtor may, at its option, prepay from time to time all or any part of 
this Note without premium or penalty but together with interest on the 
principal amount so prepaid accrued to the date of prepayment.

5.   Events of Default

     This Note shall become immediately due and payable upon the occurrence 
of any of the following events of default; 

                                       7

<PAGE>

            (a)   the Debtor shall fail to pay the principal of or interest 
on the Note when due, whether by acceleration or otherwise, within ten (10) 
business days of its due date;

            (b)   a proceeding shall have been instituted in a court having 
jurisdiction in the premises seeking a decree or order for relief in respect 
of Debtor in an involuntary case under any applicable bankruptcy, insolvency 
or other similar law now or hereafter in effect, or for the appointment of a 
receiver, liquidator, assignee, custodian, trustee, sequestrator (or other 
similar official) of Debtor, or for any substantial part of its property, or 
for the winding-up or liquidation of its affairs, and such proceeding shall 
remain undismissed or unstayed and in effect for a period of sixty (60) days 
or such court shall enter a decree or order granting the relief sought in 
such proceeding; or

            (c)   the Debtor shall voluntarily suspend transaction of its 
business, shall dissolve or be liquidated, shall commence a voluntary case 
under any applicable bankruptcy, insolvency or other similar law now or 
hereafter in effect, shall consent to the entry of an order for relief in an 
involuntary case under any such law, or shall consent to the appointment of 
or taking possession by a receiver, liquidator, assignee, trustee, custodian, 
sequestrator (or other similar official) of Debtor, as the case may be, or 
for any substantial part of its property, or shall make a general assignment 
for the benefit of creditors.

6.   Waiver

     No delay or omission on the part of Genzyme in exercising any right 
under this Note shall operate as a waiver of such right or of any other right 
of Genzyme, nor shall any delay, omission or waiver on any one occasion be 
deemed a bar to or waiver of the same or any other right on any future 
occasion. The Debtor, by executing this Note, and any other makers, sureties, 
guarantor or endorsers, by endorsing this Note or by entering into or 
executing any agreement to pay any of the indebtedness evidenced hereby, 
waives (to the fullest extent allowed by law) all requirements of diligence 
in collection, demand, presentment, notice of non-payment, protest, notice of 
protest, suit and all other conditions precedent in connection with the 
collection and enforcement of this Note or any security for this Note or any 
guarantee of the indebtedness evidenced hereby (other than demand for payment 
if expressly required by this Note). This Note shall be binding upon the 
successors and assigns of Debtor.

7.   General

     7.1    Governing Law. This Note shall be governed by and construed in 
accordance with the laws of the Commonwealth of Massachusetts.

     7.2    Saturdays, Sundays, Holidays. If any date that may at any time be 
specified in this Note as a date for the making of any payment on this Note 
shall fall on Saturday, Sunday or on a day which in the Commonwealth of 
Massachusetts shall be a legal holiday,

                                       8

<PAGE>

then the date for the making of that payment shall be the next subsequent day 
which is not a Saturday, Sunday or legal holiday.

     IN WITNESS WHEREOF, the undersigned has executed this Note as an 
instrument under seal as of the date first above written.

                                       PHARMAGENICS, INC.


                                       By/s/ A. Steven Franchak
                                         -----------------------
                                       Name: A. STEVEN FRANCHAK
                                       Title: Treasurer

                                       9

<PAGE>


                                 SCHEDULE OF LOANS


     This Note evidences loans made on the dates and in the principal amounts 
set forth below, subject to the payments, prepayments or conversions set forth 
below:


- ------------------------------------------------------------------------------
                Principal        Amount Paid,         Unpaid
                Amount of         Prepaid or         Principal      Notation
Date Made         Loan            Converted           Amount         Made By
- ------------------------------------------------------------------------------
2/10/97        $1,000,000          $0               $1,000,000
- ------------------------------------------------------------------------------

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

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

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

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

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

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

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

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





                                       10


<PAGE>

                                                                 Exhibit 10.68

         AMENDMENT AND AGREEMENT, dated as of the 31st day of January, 1997 
(this "Amendment"), by and among PharmaGenics, Inc., a Delaware corporation 
(the "Company"), and PaineWebber R&D Partners III, L.P., a Delaware limited 
partnership (the "Fund").

                                      BACKGROUND

         A.   The Company and the Fund are parties to a Stock Purchase 
Agreement, dated as of March 15, 1995 (the "Stock Purchase Agreement"), along 
with the Program Agreement, dated as of April 1, 1994, as amended on March 
15, 1995 (the "Program Agreement"), the Related Agreements and the Warrants, 
as amended and restated (unless otherwise defined herein, terms used herein 
shall have the meanings set forth in the Program Agreement, and the Amended 
and Restated Glossary thereto).

         B.   The Company has entered into a merger agreement dated as of 
January 31, 1997, in substantially the form attached hereto as Exhibit A (the 
"Merger Agreement"), with Genzyme Corporation, a Massachusetts corporation 
("Genzyme"), pursuant to which the Company will be merged with and into 
Genzyme (the "Merger"), with Genzyme surviving the Merger.

         C.   As a result of the Merger, (i) all shares of the Company's 
Series A Convertible Preferred Stock ("Series A Stock"), Series B Convertible 
Preferred Stock ("Series B Stock"), and Series C Convertible Preferred Stock 
("Series C Stock") (the Series A Stock, Series B Stock and Series C Stock 
shall collectively be referred to as the "Preferred Stock") outstanding 
immediately prior to the effective time of the Merger (other than shares held 
by the Company as treasury stock, dissenting shares and shares owned by 
Genzyme) will be converted into shares of Genzyme Molecular Oncology Division 
Common Stock to be allocated among the holders of the Preferred Stock in 
accordance with the Merger Agreement and (ii) all shares of the Company's 
common stock will be cancelled.  

         D.   In contemplation of the Merger and as a result of the Company 
not having a sufficient number of shares of Series C Stock in order to 
deliver the additional Securities contemplated by Section 3.2 of Article I of 
the Stock Purchase Agreement, the parties desire to amend the Stock Purchase 
Agreement to provide that, upon the exercise of the Fund's conversion right 
thereunder, the Company will issue to the Fund shares of Preferred Stock as 
set forth herein.  

         In consideration of the mutual covenants expressed herein and for 
other good and valuable consideration, the receipt and adequacy of which are 
hereby acknowledged, the Company and the Fund hereby agree to amend the Stock 
Purchase Agreement as set forth below.  


<PAGE>

                                      ARTICLE I

         SECTION 1.     Section 3.1(b) of Article I of the Stock Purchase 
Agreement is hereby amended and restated as follows:  

         (b)  If the Fund exercises its option pursuant to Section 3.1(a), the
    Fund shall execute such proper assignments and instruments as are
    reasonably necessary or advisable to accomplish and record such transfer
    and assignment and to establish the ownership of the Company in and to the
    Fund Technology, Background Technology, Targets and related Products and
    Abandoned Targets and related Products.


         SECTION 2.     Section 3.2 of Article I of the Stock Purchase 
Agreement is hereby amended and restated as follows:   

         3.2  Securities to be Issued; Number of Shares. Notwithstanding
    anything to the contrary herein, in lieu of the additional Securities
    described in Section 3.1(a), upon exercise of its option pursuant to
    Section 3.1(a), the Company shall issue to the Fund  298,420 shares of
    Series A Stock, 88,864 shares of Series B Stock and 1,641,144 shares of
    Series C Stock.

                                      ARTICLE II

         SECTION 1.     Effect of Amendment.  Except as amended hereby, the 
provisions of the Stock Purchase Agreement, Program Agreement, Related 
Agreements and Warrants shall remain in full force and effect, as so amended.

         SECTION 2.     Counterparts.  This Amendment may be executed in one 
or more counterparts, all of which shall be considered one and the same 
agreement and shall become effective when one or more counterparts have been 
signed by each of the parties and delivered to the other parties.

         SECTION 3.     Entire Agreement; No Third-Party Beneficiaries.  
Other than the Stock Purchase Agreement (and subject to Section 6.4 thereof), 
the Program Agreement, the Related Agreements and the Warrants, this 
Amendment (a) constitutes the entire agreement, and supersedes all prior 
agreements and understandings, both written and oral, among the parties with 
respect to the subject matter of this Amendment and (b) is not intended to 
confer upon any person other than the parties hereto any rights or remedies.

         SECTION 4.     Choice of Law.  This Amendment shall be construed and 
enforced in accordance with the laws of the State of Delaware, without regard 
to the conflicts of law rules of such state.

                                      2

<PAGE>

         SECTION 5.     Assignment.  This Amendment may not be assigned, 
delegated, transferred or sold, in whole or in part, by either of the parties 
hereto.  

         SECTION 6.     Severability.  If any provision of this Amendment is, 
becomes or is deemed invalid, illegal or unenforceable in any jurisdiction, 
such provision shall be  stricken and the remainder of the Amendment shall 
remain in full force and effect.

         SECTION 7.     Headings.  Article and Section headings contained in 
this Amendment are included for convenience only and are not to be used in 
construing or interpreting this Amendment.

              [The remainder of this page is intentionally left blank.]

 
                                      3

<PAGE>

         IN WITNESS WHEREOF, the Company and the Fund have executed this 
Amendment as of the date and year first above written.

                               PAINEWEBBER R&D PARTNERS III, L.P.

                               By:  PAINEWEBBER DEVELOPMENT
                                    CORPORATION, General Partner


                               By:        /s/ Dhananjay Pai                 
                                    ________________________________________
                                    Name:  Dhananjay Pai
                                    Title: President


                               PHARMAGENICS, INC.


                               By:          /s/ Michael I. Sherman           
                                    _________________________________________
                                    Name:  Michael I. Sherman
                                    Title: President


                                      4




<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 
THE AUDITED BALANCE SHEET AT DECEMBER 31, 1996 AND THE AUDITED 
STATEMENT OF OPERATIONS FOR THE YEAR ENDED DECEMBER 31, 1996 AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                         486,109
<SECURITIES>                                         0
<RECEIVABLES>                                  185,972
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                               710,264
<PP&E>                                       2,856,280
<DEPRECIATION>                               2,073,642
<TOTAL-ASSETS>                               1,533,327
<CURRENT-LIABILITIES>                        2,062,289
<BONDS>                                         25,177
                                0
                                     73,749
<COMMON>                                         4,551
<OTHER-SE>                                   (632,439)
<TOTAL-LIABILITY-AND-EQUITY>                 1,533,327
<SALES>                                              0
<TOTAL-REVENUES>                             1,418,445
<CGS>                                                0
<TOTAL-COSTS>                                6,255,003
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                            (36,349)
<INCOME-PRETAX>                            (4,752,633)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                        (4,752,633)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (4,752,633)
<EPS-PRIMARY>                                  (10.49)
<EPS-DILUTED>                                        0
        

</TABLE>


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