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Insmed

insm · NASDAQ Healthcare
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Ticker insm
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Employees 51-200
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FY2000 Annual Report · Insmed
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SECURITIES AND EXCHANGE COMMISSION 
Washington, D.C. 20549 

FORM 10-K 

(Mark One) 

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

For the fiscal year ended December 31, 2000 

OR 

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

For the transition period from to 

Commission File Number 0-30739 

INSMED INCORPORATED 

(Exact name of registrant as specified in its charter) 

                Virginia                                    54-1972729 
     (State or other Jurisdiction of                     (I.R.S. employer 
     incorporation or organization)                    identification no.) 

          800 East Leigh Street                           (804) 828-6893 
        Richmond, Virginia 23219                  (Registrant's telephone 
number 
(Address of principal executive offices)               including area code) 
               (zip code) 

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

  Title to                                     Name of each exchange 
 each class                                     on which registered 
 ----------                                    --------------------- 
Common Stock                                   Nasdaq National 
Market 

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

None 
(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 short 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 

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

The aggregate market value on February 28, 2001, of the voting stock held by non-affiliates of the registrant was $129,801,125 (based 
on the closing price for shares of the registrant's Common Stock as reported on the Nasdaq National Market on that date). In 
determining this figure, the registrant has assumed that all of its directors, officers and persons owning 10% or more of the outstanding 
Common Stock are affiliates. This assumption shall not be deemed conclusive for any other purpose. 

As of February 28, 2001, there were 32,818,951 shares of the registrant's common stock, $.01 par value, outstanding. 

Portions of the registrant's definitive Proxy Statement to be filed with the Securities and Exchange Commission no later than 120 days 
after the registrant's fiscal year ended December 31, 2000 and to be delivered to shareholders in connection with the 2001 Annual 
Meeting of Shareholders are incorporated in Part III by reference. 

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INSMED INCORPORATED 

INDEX 

Page 
REPORT: FORM 10-K.........................................................    
1 

    ITEM 1. BUSINESS......................................................    
1 

    ITEM 2. PROPERTIES....................................................   
22 

    ITEM 3. LEGAL PROCEEDINGS.............................................   
22 

    ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS...........   
23 

PART II...................................................................   
23 

    ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED SHAREHOLDER 
     MATTERS..............................................................   
23 

    ITEM 6. SELECTED FINANCIAL DATA.......................................   
24 

    ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION 
     AND RESULTS OF OPERATIONS............................................   
24 

    ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK...   
27 

    ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA...................   
27 

    ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING 
     AND FINANCIAL DISCLOSURE.............................................   
27 

PART III..................................................................   
27 

    ITEM 10. DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT...........   
27 

    ITEM 11. EXECUTIVE COMPENSATION.......................................   
27 

    ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND 
     MANAGEMENT...........................................................   
27 

    ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS...............   

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27 

PART IV...................................................................   
28 

    ITEM 14. EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 
     8-K..................................................................   
28 

SIGNATURES................................................................   
29 

CONSOLIDATED FINANCIAL STATEMENTS.........................................  
F-1 

EXHIBIT INDEX ............................................................  
E-1 

In this Form 10-K, the "Company," "Insmed," "Insmed Incorporated," "we," "us" and "our" refer to Insmed Incorporated, a Virginia 
corporation. 

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ITEM 1. BUSINESS 

Introduction 

PART I 

We discover and develop pharmaceutical products for the treatment of metabolic and endocrine diseases associated with insulin 
resistance. Insulin resistance is a defect in the body that results in a decreased sensitivity to insulin, the principal hormone that 
regulates glucose levels in the bloodstream. Our lead product candidate, INS-1, is an orally-active insulin sensitizer, which restores 
tissue sensitivity to insulin. We are developing INS-1 for the treatment of type 2 diabetes and polycystic ovary syndrome, commonly 
known as PCOS. Our second product candidate, SomatoKine, is a recombinant protein that we are developing as an injectable insulin 
sensitizer targeted towards the management of both type 1 and type 2 diabetics who are less sensitive to insulin therapy. We believe 
our product candidates address major clinical needs in the management of the diabetic population. 

Medical Background 

Insulin Resistance 

Insulin resistance is a defect in the body's ability to properly respond to insulin, the principal hormone that regulates glucose levels in 
the bloodstream. Insulin resistance is an important metabolic disorder that precedes the development of diseases such as type 2 
diabetes and PCOS. It is frequently asymptomatic and is thought to exist in approximately 25% of the general population in the United 
States. Although the exact cause is unclear, genetic and other factors such as obesity and a sedentary lifestyle are contributing 
factors. 

Diabetes 

Diabetes is a metabolic disease characterized by an inability to properly store and utilize glucose and is caused by either a deficiency 
of insulin or insulin resistance. The diabetic population consists of two types. Type 1 diabetes, usually emerging during childhood, 
comprises between 5% and 10% of the diabetic population and is caused by destruction of the cells of the pancreas that produce 
insulin. In contrast, type 2 diabetes, which represents between 90% and 95% of diabetes cases, usually emerges during middle age. 
The common manifestation of both types of diabetes is a persistent state of abnormally high levels of blood glucose, referred to as 
hyperglycemia. The long-term dangers of diabetes arise from organ damage caused by sustained elevations in the blood glucose level 
and are comprised of both life- threatening and severely debilitating diseases, including kidney disease, blindness and cardiovascular 
disease. 

According to the American Diabetes Association, diabetes is the sixth leading cause of death by disease in the United States and is 
estimated to afflict 16 million Americans with approximately 800,000 new cases diagnosed annually. Each year, approximately 200,000 
Americans die from diabetes-related complications. According to a recent report from the Centers for Disease Control and Prevention, 
the current rapid increase in the prevalence of diabetes in the United States should continue due to the increasing rate of obesity in the 
population. The annual cost to the healthcare system for health related expenditures associated with diabetes in the United States is 
approximately $100 billion. Diabetes is the leading cause of blindness in people aged 20 to 74 and approximately 40% of all new cases 
of kidney failure are caused by diabetes. In addition, cardiovascular disease is two to four times more prevalent in diabetics than in 
non-diabetics. 

Current Therapies for Diabetes 

There are few therapeutic options available for treatment of the diabetic patient. The mainstay therapies consist primarily of insulin, 
particularly in the type 1 diabetic, and oral hypoglycemic drugs for the type 2 diabetic who has failed exercise and dietary modification. 
According to the American Diabetes Association, 43% of all diabetic patients use insulin and a similar amount use oral drugs. 

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The current marketplace consists of the following oral drugs: Glucophage, sulfonylureas, and, more recently, Glucovance and 
thiazolidinediones such as Avandia and Actos. In the last five years, the market for oral antidiabetic drugs in the United States has 
grown from approximately $500 million to approximately $3 billion in annual revenues. During 2000, the largest selling product in the 
United States was Glucophage, a product marketed by Bristol- Myers Squibb Company ("Bristol-Meyers Squibb") that generated 
approximately $1.7 billion in sales. 

Even though these drugs service a multi-billion dollar market, they have several limitations in clinical use: 

. Sulfonylureas have been associated with increased cardiovascular mortality and are capable of producing severe hypoglycemia, 
which is a state of low blood sugar; 

. Thiazolidinediones may precipitate congestive heart failure and have been associated with liver toxicity. Rezulin, which was 
manufactured by Parke-Davis, a division of Warner-Lambert Company (now Pfizer Inc.) and generated approximately $625 million in 
sales in 1999, was withdrawn from the market on March 22, 2000, after being linked to liver damage; 

. Glucophage has been associated with lactic acidosis which is a rare but life-threatening complication; and 

. Many of these agents cause weight gain and therefore exaggerate the obese state that typically characterizes the type 2 diabetic 
population. 

The effectiveness of many of these products in lowering blood glucose has been shown to decrease in many patients over time, 
necessitating insulin therapy. In turn, many patients will ultimately lose sensitivity to insulin, requiring larger doses, and in time will no 
longer achieve effective control of their blood glucose level. In these patients, there are currently no remaining therapeutic options to 
achieve optimal blood glucose control. 

Polycystic Ovary Syndrome (PCOS) 

PCOS is a major women's health disorder that affects approximately 6% of women in the United States of reproductive age. PCOS is 
characterized by high levels of testosterone and the absence of ovulation and is the leading cause of female infertility in the United 
States. Women with this disorder are often overweight, have excess facial and body hair and have menstrual irregularities. According 
to an April 2000 Practice Committee Report published by the American Society for Reproductive Medicine, clinical studies have 
demonstrated that excess testosterone concentrations decrease and ovulation resumes when insulin resistance is reduced by either 
drugs or by diet, suggesting that insulin resistance is one of the primary underlying causes of this disorder. Studies have indicated 
that women with PCOS have a four-fold increase in the risk of developing hypertension, a seven-fold increase in the risk of developing 
type 2 diabetes and a seven-fold increase in the risk of having a heart attack. In addition, women with PCOS have a higher risk of 
developing endometrial cancer. 

Current Therapies for PCOS 

There are currently no drugs approved that address the underlying cause of this disorder, namely insulin resistance. While there are 
drugs that have been approved for the treatment of PCOS, these drugs target the symptoms of PCOS rather than directly addressing 
insulin resistance. Such treatments include various fertility agents and cosmetic approaches to treat excess facial and body hair. In 
addition, Glucophage, which is indicated for the treatment of type 2 diabetes, is sometimes prescribed although it is not approved by 
the Food and Drug Administration ("FDA") for the treatment of PCOS. 

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Our Product Candidates 

The following table describes our current drug candidates, their indications and clinical trial status. 

----------------------------------------------------------------------------------------- 
    Product                                           Product              Clinical Trial 
   Candidate           Indication                   Discription                Status 
----------------------------------------------------------------------------------------- 
   INS-1       Type 2 Diabetes            Oral first line therapy             Phase II 
----------------------------------------------------------------------------------------- 
   INS-1       PCOS                       Oral first line therapy             Phase II 
----------------------------------------------------------------------------------------- 
   SomatoKine  Type 1 and Type 2 Diabetes Injectable late stage management    Phase II 
----------------------------------------------------------------------------------------- 

INS-1 
Our lead product candidate, INS-1, is an orally active insulin sensitizer. Insulin is the primary hormone that circulates in the 
bloodstream to regulate blood glucose levels. Insulin, when released from the pancreas, circulates in the bloodstream and binds to 
receptors located on the outer surface of various organs and tissues, such as the liver, skeletal muscle and fat. Following binding of 
insulin to a surface receptor on a normal functioning cell, a key "insulin mediator" is generated from the cell membrane, which enters 
the cell and regulates and coordinates the effects of the hormone inside the cell. Located inside the cell are various enzyme systems 
that control the metabolism and disposal of glucose from the bloodstream; the activation of these enzymes allows a tight regulation of 
blood glucose levels. 

The mechanism of action of INS-1 is based on a fundamental understanding of the regulation of insulin action in both normal cellular 
metabolism and the abnormal condition of insulin resistance. We are presently characterizing unique small molecular weight 
substances, called "mediators," which are generated within the cell following insulin stimulation and which mediate the actions of 
insulin. We believe that an impaired ability of the cell to synthesize these mediators is the primary defect that results in the insulin 
resistant condition. INS-1 is a naturally-occurring chemical precursor of one of these mediators which we believe acts as a building 
block to restore mediator formation and enhance insulin sensitivity. 

We have a comprehensive, ongoing clinical program for the treatment of both type 2 diabetes and polycystic ovary syndrome. 

In April 1999, the New England Journal of Medicine published the results of our first completed Phase II clinical trial demonstrating 
that INS-1 was effective in improving insulin resistance in women with PCOS. This data was obtained from a double-blind, single dose, 
placebo-controlled study involving 44 obese women with PCOS. In this study, 22 women received INS-1 and 22 women received 
placebo. When compared to placebo, INS-1 showed statistically significant reductions in insulin (p(less than)0.07) and testosterone 
concentrations (p(less than)0.006) and an improvement in ovulation (p(less than)0.001). The study was subsequently extended to 
explore dose response for a total enrollment of 104 women. 

In June 1999, we presented to the American Diabetes Association's annual meeting data from our first completed Phase II clinical trial 
with INS-1 for type 2 diabetes. This was a multi-center, double-blind, placebo-controlled study involving 110 early stage type 2 
diabetic patients with 57 patients randomized to receive INS-1 and 53 receiving placebo. When compared to placebo, INS-1 showed 
statistically significant reductions in glucose and lipid levels (p(less than)0.01) in subjects that had both abnormally high circulating 
glucose and lipid concentrations. 

In January 2001, we reported that, in patients who received both INS-1 and a sulfonylurea, there was a statistically significant 
improvement in glycosylated hemoglobin (HbA1c) of 0.36% compared to patients receiving a sulfonylurea alone (p(less than)0.05). 
This finding is consistent with those reported in previous clinical trials of INS-1. In addition, the improvement in HbA1c was more 
pronounced (0.80%, p(less than)0.01) in those patients who were either better controlled by their sulfonylurea therapy or had a less 
severe form of their disease as judged by their baseline fasting plasma glucose. The results of this study also demonstrated that the 
improvement in glycemic control achieved in patients with Type 2 diabetes receiving INS-1 was accompanied by a more favorable lipid 
profile, thus confirming results from earlier trials. 

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In February 2001, we announced results of two additional Phase II clinical trials of INS-1: one in obese women with PCOS and one in 
non-diabetic subjects with dyslipidemia. The trial in obese women with PCOS was a multi-center, double-blind, placebo-controlled, 
dose range-finding study designed to evaluate the incidence of hyperandrogenic anovulation in women diagnosed with PCOS and the 
effects of INS-1 in this population. The data demonstrated a statistically significant improvement in ovulation and corroborated the 
company's previously reported findings. The dyslipidemia trial was an exploratory, double-blind, placebo-controlled study in which an 
improvement in lipid profiles after the administration of INS-1 was observed in non-diabetic dyslipidemic subjects. 

SomatoKine 

Our second product candidate, SomatoKine, is indicated for the treatment of patients with type 1 and type 2 diabetes who are less 
sensitive to insulin therapy. SomatoKine is a therapeutic composition of IGF-1 complexed to a primary binding protein, BP3. In healthy 
individuals, IGF-1 circulates attached to BP3, which serves to regulate the biological activity of IGF-1. IGF-1 is known to enhance 
insulin action in patients with diabetes; however, its administration has generally been associated with significant side effects that 
have limited its clinical use. Previous attempts by other companies at boosting IGF-1 levels in the human body to improve insulin 
sensitivity have focused on delivery of the molecule without BP3. We believe this method does not recognize the importance that the 
binding protein plays in regulating the actions of IGF- 
1. We believe that by combining IGF-1 with BP3, we can demonstrate an ability of IGF-1 to enhance insulin action, and limit side 
effects. 

In April 2000, the Journal of Clinical Endocrinology & Metabolism published the results of our first completed Phase II clinical trial with 
SomatoKine for type 1 diabetes. This trial demonstrated that SomatoKine showed a statistically significant improvement in insulin 
sensitivity in patients with type 1 diabetes with no clinically relevant adverse effects. This data was based on a double- blind, 
placebo-controlled study involving 12 patients with type 1 diabetes. Specifically, data from this study revealed that when compared to 
placebo, average daily insulin requirements were significantly reduced (p(less than)0.01), average daily blood glucose levels declined 
(p(less than)0.02) and cholesterol levels declined (p(less than)0.05). Published results of previous studies by other companies of IGF-1 
administered alone indicate that patients frequently reported jaw pain, muscular pain, headache and tissue swelling. There were no 
reports of clinically relevant side effects in this Phase II trial of SomatoKine. 

In November 2000, we reported that initial data from our second trial of SomatoKine in type 2 diabetes patients demonstrated that the 
drug, whether delivered via continuous infusion or subcutaneous injection, reduced insulin consumption and fasting blood glucose 
levels in type 2 diabetics. 

Business Strategy 

We are a product-focused company whose goal is to become the leading biopharmaceutical company treating metabolic and endocrine 
diseases. The key elements of this strategy are listed below. 

Focus on products to treat metabolic and endocrine diseases. We will work to complete the development and approval of our products 
to treat diabetes and PCOS. We believe these are largely underserved, high-growth markets. Our management team has significant 
experience in drug development and we will use this expertise to complete our clinical development programs and, if successful, file for 
regulatory approval in the United States. 

Retain commercial rights to market products in selected markets. We intend to market and distribute INS-1 for the treatment of PCOS in 
the United States through a direct sales force. For our other indications, our goal is to retain marketing rights to our product candidates 
until the development of the products is essentially complete. We believe this approach will allow us to negotiate optimal terms for any 
such marketing agreements. 

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Establish corporate partnerships in target markets. We plan to establish corporate partnerships and other relationships to develop, 
market and commercialize both INS-1 and SomatoKine for all indications outside of the United States. For example, we recently entered 
into a license agreement with Taisho Pharmaceutical Co., Ltd. ("Taisho"), a Japanese company which has the exclusive right to 
develop and market INS-1 for type 2 diabetes and PCOS in Asia and a semi-exclusive right in China. We intend to establish corporate 
partnerships in the United States to market INS-1 for the treatment of type 2 diabetes and to develop and market SomatoKine for the 
treatment of type 1 and type 2 diabetes. 

Outsource manufacturing to deploy resources efficiently. Our management team has significant experience in negotiating and 
supervising contractual arrangements with third parties for the manufacture of drug products on a cost effective basis. To deploy our 
resources efficiently, we currently plan to continue to outsource the manufacture of INS-1 and SomatoKine. 

Acquire and in-license additional products and technologies. We intend to acquire additional products and technologies that 
complement our activities within the field of metabolic and endocrine diseases. We believe such acquisitions in fields where we have 
expertise can be rapidly integrated into our development programs. 

Research and Development 

We have devoted substantially all of our resources since we began our operations to the research and development of pharmaceutical 
product candidates for metabolic and endocrine diseases associated with insulin resistance. Our research and development expenses 
were approximately $21.6 million, $5.7 million and $3.7 million in 2000, 1999 and 1998, respectively. 

Strategic Licensing Agreements 

UVA Patents Foundation 

Our core technology is based on more than 20 years of insulin resistance research at the University of Virginia. Our license agreement 
with The University of Virginia Alumni Patents Foundation ("Foundation") grants a worldwide, exclusive license, including the right to 
grant sublicenses, to use and practice certain patents related to INS-1 for the treatment of diabetes. The license extends for the full term 
of the patents. The Foundation may terminate the license upon untimely payment of royalties or bankruptcy or insolvency of Insmed. 
We may terminate the license upon 90 days notice to Foundation. Either party may terminate upon a material breach by the other party. 

In consideration for the license agreement, we are obligated to pay minimum annual licensing fees of $100,000, as well as patent costs 
through the expiration of the patent rights. We may also have to pay a royalty on net sales of any therapeutic drugs covered by the 
agreement. Royalties earned by the Foundation will reduce licensing fees and, in the case of patent infringement, we may use up to 
50% of royalties otherwise payable to the Foundation to pay for expenses we incur to defend the patents. 

Taisho Pharmaceutical Co., Ltd. 

In July 2000, we entered into an agreement with Taisho for the development and commercialization of INS-1 in Japan and certain other 
Asian countries. We have retained the rights to INS-1 in the rest of the world. The potential pre- commercialization value of the 
collaboration is $32 million, which would include license fees and payments upon achievement of certain development and regulatory 
milestones as well as a completed equity investment of $3 million. Taisho will also fund 20% of the development costs for INS-1 in 
North America and Europe. We will also receive royalties on INS-1 sales in Japan and the other Asian countries 

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covered by the agreement. Taisho may terminate the agreement upon six months prior written notice to us. Either party may terminate 
upon material breach or insolvency of the other party. However, in the event of our material breach or insolvency, Taisho may 
continue to research, develop and sell INS-1 pursuant to the agreement. 

Elan Corporation, plc 

In April 1999, our subsidiary, Celtrix Pharmaceuticals, Inc. ("Celtrix"), entered into an agreement with Elan Corporation, plc ("Elan") to 
establish a joint venture for the development of SomatoKine to treat severe osteoporosis using Elan's MEDIPAD Delivery System. 
Celtrix has granted the joint venture an exclusive license for the treatment of severe osteoporosis with SomatoKine. We own 80.1% of 
the joint venture and Elan owns 19.9%. As part of the agreement, Elan purchased shares of Celtrix's preferred stock, which converted 
into shares of Insmed Common Stock in Celtrix's merger with Insmed. We are in discussions with Elan regarding the design, conduct 
and funding of the first clinical trial contemplated by this joint venture. 

Patents and Proprietary Rights 

Proprietary protection is important to our business, and our policy is to protect our technology by filing patent applications for 
technology that we consider important. We intend to file additional patent applications, when appropriate, relating to improvements in 
our technology and other specific products that we develop. As with any pending patent application, there can be no assurance that 
any of these applications will be issued in the United States or in foreign countries. There also cannot be any assurance that United 
States or foreign patents issuing from any of these applications will not later be held invalid or unenforceable. 

INS-1 

We own three issued United States patents related to our INS-1 technology. In addition, we have exclusively licensed six issued 
patents from the Foundation. We also own three pending patent applications and five provisional patent applications covering the use 
and manufacture of INS-1 and additional defined compounds. We have filed or intend to file patent applications in many of the major 
international markets for the majority of these patents and pending patents. 

The various issued patents cover use of compounds to treat insulin resistance in type 2 diabetes reducing elevated blood sugar in 
humans, treating metabolic diseases characterized by hyperandrogenism and/or anovulation, methods for production of INS-1 and 
purified insulin mediators and purification processes. Pending applications contain broader claims for use and manufacture of INS-1 or 
related compounds. 

The initial terms of such patents expire at various times between May 2009 and January 2018. The patent that claims the use of INS-1 
for the treatment of type 2 diabetes expires in 2009. The patent that claims the use of INS-1 for the treatment of PCOS expires in 2018. 

SomatoKine 

We own 24 United States issued or allowed patents related to the composition, production, antibodies and methods of use for 
SomatoKine, including: 

. One patent with claims to a BP3 composition-of-matter; 

. 11 therapeutic use patents for SomatoKine, IGF-1 or BP3, including their use for the treatment of diabetes or osteoporotic hip repair; 

. 10 patents regarding novel expression and production methods which may be used for the manufacture of SomatoKine; and 

. Two patents relating to methods of predicting drug response. 

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We also own 14 applications pending in the United States regarding the therapeutic use of BP3, antibodies to BP3 and their uses, and 
therapeutic uses and production of SomatoKine. These applications are in various stages of review. We have filed or intend to file 
patent applications in many of the major international markets for the majority of these pending patent applications. In Europe, we have 
an issued patent with claims to: 

. BP3 composition-of-matter; 

. Certain therapeutic uses of that BP3; and 

. Certain therapeutic uses of a complex of IGF-1 and BP3. 

Genentech, Inc. ("Genentech") has two issued United States patents, one directed to certain DNA molecules encoding BP3 and 
another directed to the BP3 protein. We can provide no assurance that we will not be found to infringe one or both those patents. 
Those patents might have an adverse effect on our ability to conduct our business, and prevent us from making, using or selling 
certain products, including SomatoKine, in the United States. A European counterpart of one of those patents has also been granted. 
This patent could adversely affect our plans for European commercialization, and might prevent us from producing and/or using 
SomatoKine in Europe. In addition, a patent has been issued to Genentech for the co-administration of IGF-1 and BP3 by 
subcutaneous bolus injection to produce a greater anabolic state. We can provide no assurance that we will not be found to infringe 
this patent. 

We have been granted a European patent with claims to recombinantly produced BP3, therapeutic uses of BP3 and therapeutic uses of 
SomatoKine. Genentech has opposed this patent and the date for a hearing is pending. We cannot provide any assurance that some or 
all of our patent claims will not be revoked as a consequence of this opposition. 

Third parties, including Genentech, Chiron Corporation ("Chiron") and Amgen, Inc. ("Amgen") have United States patents directed at 
the production of recombinant IGF-1, BP3 and/or recombinant proteins in general. While we believe that we have developed a process 
that avoids infringement of these patents, we can provide no assurance that a third party will not assert a contrary position, and 
further that such a party will not prevail. 

Novartis AG ("Novartis"), Beth Israel Hospital and Chiron have United States patents relating to the use of IGF-1 for the treatment of 
diabetes, and Novartis has a United States patent relating to the treatment of osteoporosis with IGF-1. Fujisawa Pharmaceuticals Co., 
Ltd. has a United States patent that contains claims to methods for treating insulin-resistant diabetes using an insulin-like growth 
factor. We can provide no assurance that we will not be found to infringe any of these patents. These patents might have an adverse 
effect on our ability to conduct our business, and prevent us from making, using or selling certain products, including SomatoKine in 
the United States. 

Through our joint venture with Elan, we have licensed five issued United States patents, eight pending United States patent 
applications, nine granted foreign patents and 32 foreign patent applications from Elan, all relating to systems for administration of 
SomatoKine to patients. 

The United States Drug Price Competition and Patent Term Restoration Act of 1984, known as the Waxman-Hatch Act, provides for 
the return of up to five years of patent term for a patent that covers a new product or its use, to compensate for time lost during the 
regulatory review process. This period is generally one-half the time between the effective date of an investigational new drug 
application and the submission date of a new drug application, plus the time between the submission date of a new drug application 
and the approval of that application, subject to a maximum extension of five years. The application for patent term extension is subject 
to approval by the United States Patent and Trademark Office (USPTO), in conjunction with the FDA. It takes at least six months to 
obtain approval of the application for patent term extension, and there can be no guarantee that the application will be granted. Similar 
patent term extensions are available under European laws. We intend to apply for such patent term extension(s), where appropriate. 
However, we cannot provide any assurance that we will receive such patent term extension(s). 

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The Waxman-Hatch Act also establishes a five-year period of marketing exclusivity from the date of New Drug Application (NDA) 
approval for new chemical entities approved after September 24, 1984. In order to obtain this exclusivity, the NDA applicant must 
submit to the FDA, at the appropriate time, the number and expiration date of any patent which claims the drug that is the subject of 
the NDA, or which claims a method of using the drug that is the subject of the NDA. Failure to submit this patent information at the 
appropriate time to the FDA may result in loss of the right to this marketing exclusivity. 

During this Waxman-Hatch marketing exclusivity period, no third-party may submit an "abbreviated" NDA or "paper" NDA to the 
FDA for the same product, using data generated by the NDA holder. Similarly, in the case of non-new chemical entities approved for 
new indications, no abbreviated NDA or paper NDA that includes data collected by the original NDA applicant may become effective 
for three years from date of approval of any non-new chemical entity NDA approved after September 24, 1984. 

Finally, any abbreviated NDA or paper NDA applicant will be subject to the notification provisions of the Waxman-Hatch Act, which 
should facilitate our notification about potential infringement of our patent rights. The abbreviated or paper NDA applicant must notify 
the NDA holder and the owner of any patent applicable to the abbreviated NDA or paper NDA product, of the application and intent 
to market the drug that is the subject of the NDA. 

We intend to apply for such exclusivity, where appropriate. However, we cannot provide any assurance that we will receive such 
exclusivity for any of our products. 

Manufacturing 

We currently rely, and plan to continue to rely, on contract manufacturers to produce INS-1 and SomatoKine. Our product candidates 
will need to be manufactured in a facility by processes that comply with the FDA's good manufacturing practices and other similar 
regulations. It may take a substantial period of time to begin manufacturing our products in compliance with such regulations. If we are 
unable to establish and maintain relationships with third parties for manufacturing sufficient quantities of our product candidates and 
their components that meet our planned time and cost parameters, the development and timing of our clinical trials may be adversely 
affected. 

INS-1 

We rely upon contractors for both the supply of raw materials and for manufacturing finished product. We purchase raw materials from 
more than one commercially established firm. Our necessary raw materials are currently commercially available in quantities far in 
excess of the scale required to complete all of our future planned Phase II and Phase III clinical trials. 

We believe that we have established the methods used to produce the finished drug product and, although they have not been 
applied to large scale-up, we believe they will meet our commercial supply requirements. The development of a commercial scale 
manufacturing process is complex and expensive. We cannot assure you that we will be able to develop this commercial scale 
manufacturing capability in a timely manner or at all. 

We currently purchase both raw materials and finished drug products in accordance with forecast-and-purchase order arrangements, 
which we expect to replace by long-term, semi-exclusive manufacturing agreements. We intend to secure contractual commitments from 
at least two suppliers. 

The bulk drug product is currently produced in the United States under current good manufacturing practices applicable to 
investigational prescription drugs, at two sites: Catalytica Pharmaceuticals, Inc. in Greenville, North Carolina; and at Sigma-Aldrich 
Fine Chemicals of St. Louis, Missouri, in facilities registered and subject to inspection by the FDA. 

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SomatoKine 

SomatoKine is a complex of two proteins and is manufactured using recombinant DNA technology. The manufacturing process is 
complicated and involves expression of the two proteins by bacterial fermentation followed by purification and combination of the two 
proteins. 

We supplied in 2000, and are supplying in early 2001, all of our pre- clinical and clinical Phase II study requirements with inventory of 
SomatoKine active drug produced by our subsidiary, Celtrix. We have contracted to transfer and scale-up the production process at an 
FDA-inspected manufacturer, BioScience Contract Production Corporation in Baltimore, Maryland. The initial scale-up and production 
contract is intended to supply active drug sufficient to complete all of the currently planned Phase II clinical studies. Additional 
scale-up and process optimization will be required to start producing Phase III-scale clinical materials. 

We recognize that, assuming successful SomatoKine Phase III clinical development for diabetes, a separate manufacturing partner is 
likely to provide for commercial-scale fermentation and purification capacity for the drug substance. To the extent that SomatoKine 
manufacturing has not been performed previously beyond Phase II scale, we cannot guarantee that the large scale-up of capacity for 
the commercial marketing stage will be available. 

Marketing and Sales 

We currently have no sales, marketing or distribution capability. In order to commercialize any of our product candidates, we must 
either internally develop sales, marketing and distribution capabilities or make arrangements with a third party to perform these 
services. 

We intend to market and distribute INS-1 for the treatment of PCOS in the United States through a direct sales force targeting the 
focused physician audience that treats this condition. For our other indications, our goal is to retain marketing rights to our product 
candidates until the development of the products is essentially complete. We believe this approach will allow us to negotiate optimal 
terms for any such marketing agreements. To market any of our products directly, we must develop a marketing and sales force with 
technical expertise and with supporting distribution capabilities. 

In the United States, we do not intend to enter into co-promotion arrangements or out-license our product candidates until our product 
candidates are in the later stages of development, but at that point we may promote our product candidates through marketing 
relationships with one or more companies that have established distribution systems and direct sales forces. In international markets, 
we intend to seek strategic relationships to market, sell and distribute our product candidates. 

Competition 

We are engaged in an industry that is intensely competitive and characterized by rapid technological progress. In each of our potential 
product areas we face significant competition from large pharmaceutical, biotechnology and other companies, and universities and 
research institutions. Most of these have substantially greater capital resources, research and development staffs, facilities and 
experience in conducting clinical trials and obtaining regulatory approvals. In addition, many of these companies have greater 
experience and expertise in manufacturing and marketing pharmaceutical products. 

Since all of our products are under development, we cannot predict the relative competitive position of our products if they are 
approved for use. However, we expect that the following factors will determine our ability to compete effectively: 

. safety and efficacy; 

. product price; 

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. ease of administration; and 

. marketing and sales capability. 

Diabetes 

In addition to insulin therapy, the primary existing oral therapies for type 2 diabetes are Glucophage marketed by Bristol-Myers Squibb, 
Avandia marketed by GlaxoSmithKline plc, Actos marketed by Eli Lilly and Company and Takeda Pharmaceuticals America, Inc., and 
sulfonylureas marketed by various companies, including Pfizer Inc. under the trademark, Glucotrol XL and Glucotrol. 

Glucovance, a product developed by Bristol-Myers Squibb, was recently approved to treat type 2 diabetes. In addition, we are aware 
of other products being developed for the treatment of type 2 diabetes. These include sustained release and generic formulations of 
Glucophage, inhaled and oral insulins and new thiazolidinedione compounds. 

PCOS 

While there are a number of drugs available for the treatment of PCOS, they focus on relief of symptoms rather than the cause of the 
disease. Such treatments include various fertility agents and cosmetic approaches to treat excess facial and body hair. In addition, 
drugs such as Glucophage, which is indicated for the treatment of type 2 diabetes, are prescribed although they are not approved by 
the FDA for the treatment of PCOS. 

Government Regulation 

Government authorities in the United States and other countries extensively regulate the research, development, testing, manufacture, 
promotion, marketing and distribution of drug products. Drugs are subject to rigorous regulation by the FDA in the United States and 
similar regulatory bodies in other countries. The steps ordinarily required before a new drug may be marketed in the United States are 
similar to steps required in most other countries and include: 

. Pre-clinical laboratory tests, pre-clinical studies in animals and formulation studies and the submission to the FDA of an 
investigational new drug application for a new drug or antibiotic; 

. Adequate and well-controlled clinical trials to establish the safety and efficacy of the drug for each indication; 

. The submission of a new drug application to the FDA; and 

. FDA review and approval of the new drug application before any commercial sale or shipment of the drug. 

Pre-clinical tests include laboratory evaluation of product chemistry and stability, as well as animal studies to evaluate toxicity. The 
results of pre- clinical testing are submitted to the FDA as part of an investigational new drug application. The FDA requires a 30-day 
waiting period after the filing of each investigational new drug application before beginning clinical tests in humans. At any time 
during this 30-day period or at any time thereafter, the FDA may halt proposed or ongoing clinical trials until the FDA authorizes trials 
under specified terms. The investigational new drug application process may become extremely costly and substantially delay 
development of our products. Moreover, positive results of pre-clinical tests will not necessarily indicate positive results in clinical 
trials. 

Clinical trials to support new drug applications are typically conducted in three sequential phases, but the phases may overlap. During 
Phase I -- the initial introduction of the drug into healthy human subjects or 

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patients -- the drug is tested to assess metabolism, pharmacokinetics and pharmacological actions and safety, including side effects 
associated with increasing doses. 

Phase II usually involves studies in a limited patient population to: 

. Assess the efficacy of the drug in specific, targeted indications; 

. Assess dosage tolerance and optimal dosage; and 

. Identify possible adverse effects and safety risks. 

If a compound is found to be potentially effective and to have an acceptable safety profile in Phase II evaluations, Phase III trials, also 
called pivotal studies, are undertaken to further demonstrate clinical efficacy and to further test for safety within an expanded patient 
population at geographically dispersed clinical study sites. 

After completion of the required clinical testing, a new drug application is submitted. The FDA may request additional information 
before accepting a new drug application for filing, in which case the application must be resubmitted with the additional information. 
Once the submission has been accepted for filing, the FDA has 180 days to review the application and respond to the applicant. The 
review process is often significantly extended by FDA requests for additional information or clarification. The FDA may refer the new 
drug application to an appropriate advisory committee for review, evaluation and recommendation as to whether the application should 
be approved, but the FDA is not bound by the recommendation of an advisory committee. 

If FDA evaluations of the new drug application and related manufacturing facilities are favorable, the FDA may issue either an 
approval letter or an approvable letter. An approvable letter will usually contain a number of conditions that must be met in order to 
secure final approval of the new drug application and authorization of commercial marketing of the drug for certain indications. The 
FDA may refuse to approve the new drug application or issue a not-approvable letter, outlining the deficiencies in the submission or 
the manufacturing site(s) and often requiring additional testing or information. 

If regulatory approval of any of our products is granted, it will be limited to certain disease states or conditions. The manufacturers of 
approved products and their manufacturing facilities will be subject to continual review and periodic inspections. Because we intend to 
contract with third parties for manufacturing of these products, the control of compliance with FDA requirements will be incomplete. In 
addition, identification of certain side effects or the occurrence of manufacturing problems after any of its drugs are on the market 
could cause subsequent withdrawal of approval, reformulation of the drug, additional pre-clinical testing or clinical trials, and changes 
in labeling of the product. 

Outside the United States, our ability to market our products will also depend on receiving marketing authorizations from the 
appropriate regulatory authorities. The foreign regulatory approval process includes all of the risks associated with FDA approval 
described above. The requirements governing the conduct of clinical trials and marketing authorization vary widely from country to 
country. 

Employees 

As of December 31, 2000, we had 40 full-time employees. Of these employees, 29 were engaged in research and development, and 11 
were engaged in finance and general administration. None of our employees is covered by any collective bargaining agreement. We 
consider relations with our employees to be good. 

Risk Factors Related to Our Business 

Except for the historical information contained herein or incorporated herein by reference, this annual report on Form 10-K and the 
information incorporated herein by reference contain forward-looking statements that involve risks and uncertainties. Our actual 
results may differ materially from those discussed here. Factors 

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that could cause or contribute to differences in our actual results include those discussed in the following section, as well as those 
discussed in Part II, Item 7 entitled "Management's Discussion and Analysis of Financial Condition and Results of Operations" and 
elsewhere throughout this annual report on Form 10-K and in any other documents incorporated by reference into this annual report. 
You should consider carefully the following risk factors, together with all of the other information included in this annual report on 
Form 10-K. Each of these risk factors could adversely affect our business, operating results and financial condition, as well as 
adversely affect the value of an investment in our common stock. 

Because our products are in an early stage of development, we have not received regulatory approval for any of our products nor have 
we released any products for commercial sale; therefore we can give you no assurances that we will succeed in commercializing our 
products. 

Our long-term viability and growth will depend on the successful commercialization of products resulting from our development 
activities, including INS-1 and SomatoKine. All of our potential products and production technologies are in the research or 
development stages and we have generated no revenues from product sales. We will need to conduct significant additional 
development, laboratory and clinical testing and invest significant additional amounts of capital before we can commercialize our 
products. We can give you no assurances that we will identify, develop or produce products with commercial potential or that we will 
secure market acceptance for our products. The failure to commercialize our potential products will adversely affect our business, 
financial condition and results of operations. In addition, the research, development, testing, clinical trials and acquisition of the 
necessary regulatory approvals with respect to any given product will take many years and thus delay our receipt of revenues, if any, 
from any such products. In addition, potential products that appear promising at early stages of development may fail for a number of 
reasons, including the possibility that the products: 

. may be ineffective; 

. may cause harmful side effects; or 

. may be too expensive to manufacture. 

Our products may also fail to receive regulatory approval. In addition, even after regulatory authorities approve our products, the 
products may fail to achieve market acceptance or the proprietary rights of third parties may prevent their commercialization. 

Since we have a limited operating history, a history of operating losses and expect to generate operating losses for the foreseeable 
future, we may not achieve profitability for some time, if at all. 

We are focused on product development and we currently have no sales. Both of our operating subsidiaries have incurred losses each 
year of their operation and we expect to continue incurring operating losses for the foreseeable future. The process of developing our 
products requires significant pre- clinical testing and clinical trials as well as regulatory approvals for commercialization and marketing 
before we can begin to generate any revenue from product sales. In addition, commercialization of our drug candidates will require us 
to establish a sales and marketing organization and contractual relationships to enable product manufacturing and other related 
activity. We expect that these activities, together with our general and administrative expenses, will result in substantial operating 
losses for the foreseeable future. As of December 31, 2000, our accumulated deficit was $102.6 million. For the year ended December 31, 
2000, our consolidated net loss was $79.9 million. 

We will need additional funds in the future to continue our operations, but we face uncertainties with respect to our access to capital 
that could adversely impact our business, financial condition and results of operations. 

We will require substantial future capital in order to continue to conduct the time consuming research and development, clinical 
studies and regulatory activities necessary to bring our therapeutic products to market and 

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to establish production, marketing and sales capabilities. There can be no assurance that our cash reserves together with any 
subsequent funding will satisfy our capital requirements. The failure to satisfy our capital requirements will adversely affect our 
business, financial condition and results of operations. Our future capital requirements will depend on many factors, including the 
progress of pre-clinical testing and clinical trials, the time and costs involved in obtaining regulatory approvals, the costs involved in 
filing and prosecuting patent applications and enforcing patent claims and the establishment of strategic alliances and activities 
required for product commercialization. We believe that existing cash reserves will sufficiently fund our activities until at least the end 
of 2002. 

We may seek additional funding through strategic alliances, private or public sales of our securities or by licensing all or a portion of 
our technology. Such funding may significantly dilute existing shareholders or may limit our rights to our currently developing 
technology. There can be no assurance, however, that we can obtain additional funding on reasonable terms, or at all. If we cannot 
obtain adequate funds, we may need to significantly curtail our product development programs and/or relinquish rights to our 
technologies or product candidates. 

If our products fail in clinical trials or if we cannot enroll enough patients to complete our clinical trials there may be an adverse effect 
on our business, financial condition and results of operations. 

In order to sell our products, we must receive regulatory approval for our products. Before obtaining regulatory approvals for the 
commercial sale of any of our products under development, we must demonstrate through pre-clinical studies and clinical trials that the 
product is safe and effective for use in each target indication. Therefore, if our products fail in clinical trials, there will be an adverse 
effect on our business, financial condition and results of operations. In addition, the results from pre-clinical testing and early clinical 
trials may not be predictive of results obtained in later clinical trials. There can be no assurance that our clinical trials will demonstrate 
sufficient safety and effectiveness to obtain regulatory approvals. A number of companies in the biotechnology and pharmaceutical 
industries have suffered significant setbacks in late stage clinical trials even after promising results in early stage development. 

The completion rate of our clinical trials is dependent on, among other factors, the patient enrollment rate. Patient enrollment is a 
function of many factors, including: 

.patient population size; 

.the nature of the protocol to be used in the trial; 

.patient proximity to clinical sites; and 

.eligibility criteria for the study; and 

.competition from other companies' clinical trials for the same patient population. 

We believe our planned procedures for enrolling patients are appropriate; however, delays in patient enrollment would increase costs 
and delay ultimate sales, if any, of our products. Such delays could materially adversely affect our business, financial condition and 
results of operations. 

If we fail to obtain regulatory approvals for our products under development, such failure may adversely affect our business, financial 
condition and results of operations. 

Because our products are in an early stage of development, none has received regulatory approval or been released for commercial 
sale. The pre-clinical testing and clinical trials of any compounds we develop and the manufacturing and marketing of any drugs 
produced from such compounds must comply with regulation by numerous federal, state and local governmental authorities in the 
United States, principally the FDA, and by similar agencies in other countries. No product can receive FDA approval unless human 
clinical trials show its safety and effectiveness. There can be no assurance that clinical testing will provide evidence of safety and 
effectiveness in humans or that regulatory agencies will grant approvals for any of our products. 

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The regulatory process takes many years and requires the expenditure of substantial resources. Data obtained from pre-clinical and 
clinical activities are subject to varying interpretations that could delay, limit or prevent regulatory agency approval. We may also 
encounter delays or rejections based on changes in regulatory agency policies during the period in which we develop a drug and/or 
the period required for review of any application for regulatory agency approval of a particular compound. Delays in obtaining 
regulatory agency approvals could adversely affect the marketing of any drugs our collaborative partners or we develop. Such delays 
could impose costly procedures on our collaborative partners' or our activities, diminish any competitive advantages that our 
collaborative partners or we may attain, and adversely affect our ability to receive royalties, any of which could materially adversely 
affect our business, financial condition and results of operations. 

If the FDA grants approval for a drug, such approval may limit the indicated uses for which we may market the drug and this could limit 
the potential market for such drug. Furthermore, if we obtain approval for any of our products, the marketing and manufacture of such 
products remain subject to extensive regulatory requirements. Even if the FDA grants approval, such approval would be subject to 
continual review, and later discovery of unknown problems could restrict the products future use or cause their withdrawal from the 
market. Failure to comply with regulatory requirements could, among other things, result in fines, suspension of regulatory approvals, 
operating restrictions and criminal prosecution. In addition, many countries require regulatory agency approval of pricing and may also 
require approval for the marketing in such countries of any drug our collaborative partners or we develop. 

We cannot be certain that we will obtain any regulatory approvals in other countries and the failure to obtain such approvals may 
materially adversely affect our business, financial condition and results of operations. In order to market our products outside of the 
United States, our corporate partners and we must comply with numerous and varying regulatory requirements of other countries 
regarding safety and quality. The approval procedures vary among countries and can involve additional product testing and 
administrative review periods. The time required to obtain approval in other countries might differ from that required to obtain FDA 
approval. The regulatory approval process in other countries includes all of the risks associated with obtaining FDA approval detailed 
above. Approval by the FDA does not ensure approval by the regulatory authorities of other countries. 

If our products fail to achieve market acceptance for any reason, such failure may adversely affect our business, financial condition 
and results of operations. 

There can be no assurance that any of our product candidates, if approved for marketing, will achieve market acceptance. If our 
products do not receive market acceptance for any reason, it may adversely affect our business, financial condition and results of 
operations. The degree of market acceptance of any products we develop will depend on a number of factors, including: 

. the establishment and demonstration in the medical community of the clinical efficacy and safety of our products; 

. their potential advantage over existing treatment methods; and 

. reimbursement policies of government and third-party payers, including insurance companies. 

For example, even if we obtain regulatory approval to sell our products, physicians and healthcare payers could conclude that our 
products are not safe and effective and physicians could choose not to use them to treat patients. Our competitors may also develop 
new technologies or products which are more effective or less costly, or that seem more cost-effective than our products. We can give 
no assurance that physicians, patients, third-party payers or the medical community in general will accept and use any products that 
we may develop. 

We currently have no internal manufacturing or marketing capability, which may make commercializing our products difficult. 

We have no internal manufacturing capability. Failure to successfully manufacture and market our products could materially adversely 
affect our business, financial condition and results of operations. We intend 

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to enter strategic alliances with other parties that have established commercial scale manufacturing and marketing capabilities. There 
can be no assurance that we will enter such strategic alliances on terms favorable to us, or at all. If we are unable to establish and 
maintain relationships with third parties for manufacturing sufficient quantities of our product candidates and their components that 
meet our planned time and cost parameters, the development and timing of our clinical trials may be adversely affected. In addition, 
there can be no assurance that an adverse FDA inspection of a contractor's manufacturing facilities would not impede our commercial 
supply capability. As an alternative, we may choose to commercialize such products on our own, which would require substantial 
additional funds. 

If the FDA or any other regulatory agency permits us to commence commercial sales of products, we will face competition with respect 
to commercial sales, marketing and distribution. These are areas in which we have no experience. To market any of our products 
directly, we must develop a marketing and sales force with technical expertise and with supporting distribution capability. 
Alternatively, we may engage a pharmaceutical company with a large distribution system and a large direct sales force to assist us. 
There can be no assurance that we will successfully establish sales and distribution capabilities or gain market acceptance for our 
proprietary products. To the extent we enter co- promotion or other licensing arrangements, any revenues we receive will depend on 
the efforts of third parties and there can be no assurance that our efforts will succeed. 

Materials necessary to manufacture SomatoKine may not be available, which may adversely affect our business, financial condition 
and results of operations. 

Only a few facilities make the recombinant proteins that comprise SomatoKine. We believe we currently have sufficient quantities of 
the protein necessary to produce SomatoKine in quantities sufficient to conduct our planned clinical trials and have contracted with 
one of these facilities, BioScience Contract Production Company, to produce product for additional clinical trials. A shutdown or 
disruption in any of these facilities due to technical, regulatory or other problems, resulting in an interruption in supply of these 
materials, could delay our development activities and adversely impact our business, financial condition and results of operations. 

If the third-party clinical research organizations we intend to rely on to conduct our future clinical trials do not perform in an acceptable 
and timely manner, our clinical trials could be delayed or unsuccessful. 

We do not have the ability to conduct all facets of our clinical trials independently. We intend to rely on clinical investigators and 
third-party clinical research organizations to perform a portion of these functions. If we cannot locate acceptable contractors to run a 
portion of our clinical trials or enter into favorable agreements with them, or if these third parties do not successfully carry out their 
contractual duties or meet expected deadlines, we will be unable to obtain required approvals and will be unable to commercialize our 
product candidates on a timely basis, if at all. 

We need collaborative relationships for success. 

We currently rely and may in the future rely on a number of significant collaborative relationships, such as our license agreement with 
Taisho and our joint venture with Elan, for research funding, clinical development and/or sales and marketing. Reliance on 
collaborative relationships poses a number of risks, including the following: 

. we cannot effectively control whether our corporate partners will devote sufficient resources to our programs or products; 

. disputes may arise in the future with respect to the ownership of rights to technology developed with corporate partners; 

. disagreements with corporate partners could delay or terminate the research, development or commercialization of product 
candidates, or result in litigation or arbitration; 

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. contracts with our corporate partners may fail to provide sufficient protection of our intellectual property; 

. we may have difficulty enforcing the contracts if one of these partners fails to perform; 

. corporate partners have considerable discretion in electing whether to pursue the development of any additional products and may 
pursue technologies or products either on their own or in collaboration with our competitors; and 

. corporate partners with marketing rights may choose to devote fewer resources to the marketing of our products than they do to 
products of their own development. 

We are currently in discussions with Elan regarding the design, conduct and funding of a Phase II clinical trial for SomatoKine for 
osteoporotic hip fracture repair. No assurance can be given that we will reach an agreement with Elan regarding these matters. 

Given these risks, a great deal of uncertainty exists regarding the success of our current and future collaborative efforts. Failure of 
these efforts could delay our product development or impair commercialization of our products. 

Uncertainty regarding third-party reimbursement and healthcare cost containment initiatives may negatively affect our business, 
financial condition and results of operations. 

If we succeed in bringing any of our proposed products to the market, we cannot assure you that third parties will consider the 
products cost-effective or provide reimbursement in whole or in part for their use. Our commercial success will depend in part on 
third-party payers agreeing to reimburse patients for the costs of products. Government health administration authorities, private 
health insurers and other organizations generally provide reimbursement. Third-party payers frequently challenge the pricing of new 
drugs. Significant uncertainty exists as to the reimbursement status of newly approved healthcare products. Therefore, third-party 
payers may not approve our products for reimbursement. 

If third-party payers do not approve our products for reimbursement, sales will suffer, as some patients will opt for a competing 
product that is approved for reimbursement. Even if third-party payers make reimbursement available, these payer's reimbursement 
policies may adversely affect our corporate partners and our ability to sell such products on a profitable basis. 

Moreover, the trend toward managed healthcare in the United States, the growth of organizations such as health maintenance 
organizations, and legislative proposals to reform healthcare and government insurance programs could significantly influence the 
purchase of healthcare services and products, resulting in lower prices and reducing demand for our products which could adversely 
affect our business, financial condition and results of operations. 

In addition, legislation and regulations affecting the pricing of pharmaceuticals may change in ways adverse to us before or after the 
FDA or other regulatory agencies approve any of our proposed products for marketing. While we cannot predict the likelihood of any 
such legislative or regulatory proposals, if the government or an agency adopts such proposals they could materially adversely affect 
our business, financial condition and results of operations. 

Our growth strategy includes acquiring complementary businesses or technologies that may not be available, or, if available and 
purchased or licensed, might not improve our business, financial condition or results of operations. 

As part of our business strategy, we expect to pursue acquisitions and in- license new products and technologies. Nonetheless, we 
cannot assure you that we will identify suitable acquisitions or products or that we can make such acquisitions, or enter into such 
license agreements on acceptable terms. If we acquire 

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businesses, those businesses may require substantial capital and we cannot assure you that such capital will be available in sufficient 
amounts or that financing will be available in amounts and on terms that we deem acceptable. Furthermore, the integration of acquired 
businesses may result in unforeseen difficulties that require a disproportionate amount of management's attention and our other 
resources. Finally, we cannot assure you that we will achieve productive synergies and efficiencies from these acquisitions. 

We intend to conduct proprietary development programs with collaborators, and any conflicts with them could harm our business, 
financial condition and results of operations. 

We intend to enter into collaborative relationships, such as our arrangement with Taisho and our joint venture with Elan, which will 
involve our collaborator conducting proprietary development programs. Any conflict with our collaborators could reduce our ability to 
obtain future collaboration agreements and negatively influence our relationship with existing collaborators, which could reduce our 
revenues and have an adverse effect on our business, financial condition and results of operations. Moreover, disagreements with our 
collaborators could develop over rights to our intellectual property. 

Certain of our collaborators could also become competitors in the future. Our collaborators could harm our product development 
efforts by: 

. developing competing products; 

. precluding us from entering into collaborations with their competitors; 

. failing to obtain timely regulatory approvals; 

. terminating their agreements with us prematurely; or 

. failing to devote sufficient resources to the development and commercialization of products. 

If we fail to make payments required under the license agreement with the The University of Virginia Alumni Patents Foundation, then 
the Foundation may terminate the license agreement and our rights to the patents licensed to us, which would adversely affect our 
business, financial condition and results of operations. 

We have a license agreement with the The University of Virginia Alumni Patents Foundation with respect to a number of our patents 
that obligates us to pay license fees and royalties. We must also pay filing and maintenance costs for the patent rights associated with 
the license agreement and any new patent applications. If we fail to make payments required under the license agreement, then the 
Foundation may terminate the license agreement and our rights to the patents licensed to us, which would materially adversely affect 
our business, financial condition and results of operations. 

We face uncertainties related to patents and proprietary technology that may adversely affect our business, financial condition and 
results of operations. 

Our success will depend in part on our ability to: 

. obtain patent protection for our products; 

. preserve trade secrets; 

. prevent third parties from infringing on our patents; and 

. refrain from infringing on the patents of others, both domestically and internationally. 

Our patent positions are highly uncertain, and any future patents we receive for our potential products will be subject to this 
uncertainty, which may adversely affect our business, financial condition and results of operations. We intend to actively pursue 
patent protection for products arising from our research and development activities that have significant potential commercial value. 
Nevertheless, it is possible that, in the patent application process, certain claims may be rejected or achieve such limited allowance that 
the value of the patents would be diminished. Further, there can be no assurance that any patents obtained will afford us adequate 
protection. In addition, any patents we procure may require cooperation with companies holding related patents. We may have 
difficulty forming a successful relationship with these other companies. 

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We can give no assurance that a third party will not claim (with or without merit) that we have infringed or misappropriated their 
proprietary rights. A variety of third parties have obtained, and are attempting to obtain patent protection relating to the production 
and use of IGF-1 and/or BP3. We can give no assurances as to whether any issued patents, or patents that may later issue to third 
parties, would affect our contemplated commercialization of SomatoKine or INS-1. We can give no assurances that such patent(s) can 
be avoided, invalidated or licensed. If any third party were to assert a claim for infringement, we can give no assurances that we would 
be successful in the litigation or that such litigation would not have a material adverse effect on our business, financial condition and 
results of operation. Furthermore, we may not be able to afford the expense of defending against such a claim. 

Genentech has two issued United States patents, one directed to certain DNA molecules encoding BP3 and another directed to the 
BP3 protein. We can provide no assurance that we will not be found to infringe one or both of those patents. Those patents might 
have an adverse effect on our ability to conduct our business, and prevent us from making, using or selling certain products, including 
SomatoKine, in the United States. A European counterpart of one of those patents has also been granted. This patent could adversely 
affect our plans for European commercialization, and might prevent us from producing and/or using SomatoKine in Europe. In addition, 
a patent has been issued to Genentech for the co-administration of IGF-1 and BP3 by subcutaneous bolus injection to produce a 
greater anabolic state. We can provide no assurance that we will not be found to infringe this patent. 

We have been granted a European patent with claims to recombinantly produced BP3, therapeutic uses of BP3 and therapeutic uses of 
SomatoKine. Genentech has opposed this patent and the date for a hearing is pending. We cannot provide any assurance that some or 
all of our patent claims will not be revoked as a consequence of this opposition. 

Third parties, including Genentech, Chiron and Amgen have United States patents directed at the production of recombinant IGF-1, 
BP3 and/or recombinant proteins in general. While we believe that we have developed a process that avoids infringement of these 
patents, we can provide no assurance that a third party will not assert a contrary position, and further that such a party will not prevail. 

Novartis, Beth Israel Hospital and Chiron have United States patents relating to the use of IGF-1 for the treatment of diabetes, and 
Novartis has a United States patent relating to the treatment of osteoporosis with IGF-1. Fujisawa Pharmaceuticals Co., Ltd. has a 
United States patent that contains claims to methods for treating insulin-resistant diabetes using an insulin-like growth factor. We can 
provide no assurance that we will not be found to infringe any of these patents. These patents might have an adverse effect on our 
ability to conduct our business, and prevent us from making, using or selling certain products, including SomatoKine in the United 
States. 

We may have to undertake costly litigation to enforce any patents issued or licensed to us or to determine the scope and validity of 
another party's proprietary rights. We cannot assure that a court of competent jurisdiction would validate our issued or licensed 
patents. An adverse outcome in litigation or an interference or other proceeding in a court or patent office could subject us to 
significant liabilities to other parties, require us to license disputed rights from other parties or require us to cease using such 
technology, any of which could materially adversely affect our business, financial condition and results of operations. 

Third-party claims that our products infringe on their proprietary rights may adversely affect our business, financial condition and 
results of operations. 

We have entered into license agreements and may enter into future license agreements with other parties to develop and market our 
products, and we cannot assure that third parties will not claim that ourselves and/or our licensees, by practicing our technology, 
infringe their proprietary rights. If other companies successfully bring legal actions against us or our licensees claiming patent or other 
intellectual property infringements, in addition to any potential liability for damages, a court could require us and/or our licensees to 
obtain a license in order to continue to use the affected process or to manufacture or use the affected products, or alternatively, 

18 

   (cid:211)  2003.  EDGAR Online, Inc.

require us and/or our licensees to cease using such products or process. Such a result may have an adverse effect on our business, 
financial condition and results of operations. Any such claim, with or without merit, could result in costly litigation or might require us 
and/or our licensees to enter into royalty or licensing agreements, all of which could delay or otherwise adversely impact the 
development of our potential products for commercial use. If a court requires us to obtain licenses, there can be no assurance that we 
and/or our licensees will be able to obtain them on commercially favorable terms, if at all. Without such licenses, we and/or our 
licensees may be unable to develop certain products. Our breach of an existing license, our failure to obtain, or our delay in obtaining a 
license to any technology that we require to commercialize our products may materially adversely impact our business, financial 
condition and results of operations. 

An inability to compete successfully would harm our business, financial condition and results of operations. 

We engage in a business characterized by extensive research efforts, rapid developments and intense competition. We cannot assure 
that our products will compete successfully or that research and development by others will not render our products obsolete or 
uneconomical. Our failure to compete effectively would materially adversely affect our business, financial condition and results of 
operations. We expect that successful competition will depend, among other things, on product efficacy, safety, reliability, availability, 
timing and scope of regulatory approval and price. Specifically, we expect crucial factors will include the relative speed with which we 
can develop products, complete the clinical testing and regulatory approval processes and supply commercial quantities of the 
product to the market. We expect competition to increase as technological advances are made and commercial applications broaden. In 
each of our potential product areas, we face substantial competition from large pharmaceutical, biotechnology and other companies, 
universities and research institutions. Relative to us, most of these entities have substantially greater capital resources, research and 
development staffs, facilities and experience in conducting clinical trials and obtaining regulatory approvals, as well as in 
manufacturing and marketing pharmaceutical products. Many of our competitors may achieve product commercialization or patent 
protection earlier than we will. Furthermore, we believe that our competitors have used, and may continue to use, litigation to gain a 
competitive advantage. Finally, our competitors may use different technologies or approaches to the development of products similar 
to the products we are seeking to develop. 

Rapid technological change could make our products obsolete, which could materially adversely affect our business, financial 
condition and results of operations. 

Biotechnology and related pharmaceutical technology have undergone and should continue to experience rapid and significant 
change. We expect that the technologies associated with biotechnology research and development will continue to develop rapidly. 
Our future will depend in large part on our ability to maintain a competitive position with respect to these technologies. Any 
compounds, products or processes that we develop may become obsolete before we recover any expenses incurred in connection with 
their development. Rapid technological change could make our products obsolete, which could materially adversely affect our 
business, financial condition and results of operations. 

We are dependent upon key personnel and others, the loss of which could materially adversely affect our business, financial condition 
and results of operations. 

We highly depend on the principal members of our scientific and management staff, the loss of whose services might significantly 
delay or prevent the achievement of research, development, or business objectives and would materially adversely affect our business, 
financial condition and results of operations. Our success depends, in large part, on our ability to attract and retain qualified 
management, scientific and medical personnel, and on our ability to develop and maintain important relationships with commercial 
partners, leading research institutions and key distributors. We face intense competition for such personnel and relationships. We 
cannot assure that we will attract and retain such persons or maintain such relationships. 

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We expect that our potential expansion into areas and activities requiring additional expertise, such as further clinical trials, 
governmental approvals, contract manufacturing and marketing, will place additional requirements on our management, operational and 
financial resources. We expect these demands will require an increase in management and scientific personnel and the development of 
additional expertise by existing management personnel. The failure to attract and retain such personnel or to develop such expertise 
could materially adversely affect prospects for our success. 

Our research and development activities involve the use of hazardous materials and chemicals, which could expose us to damages, that 
could materially adversely affect our business, financial condition and results of operations. 

Our research and development activities involve the use of small amounts of hazardous materials and chemicals, including radioactive 
materials. We believe that our procedures for handling hazardous materials comply with federal and state regulations; however, there 
can be no assurance that accidental injury or contamination from these materials will not occur. In the event of an accident, we could 
be held liable for any damages, which could exceed our available financial resources, including our insurance coverage. This liability 
could materially adversely affect our business, financial condition and results of operations. 

We are subject to federal, state and local laws and regulations governing the use, manufacture, storage, handling and disposal of 
hazardous or radioactive materials and waste products. These laws and regulations may require us to incur significant costs to comply 
with environmental laws and regulations in the future that could materially adversely affect our business, financial condition and 
results of operations. 

We risk liability from potential product liability claims that our insurance may not cover which could materially adversely affect our 
business, financial condition and results of operations. 

In testing, manufacturing and marketing our products, we risk liability from the failure of products to perform as we expect. Such risks 
exist even with respect to those potential products, if any, that receive regulatory approval for commercial sale. Although we currently 
have product liability insurance and seek to obtain indemnification from licensees of the products, obtaining additional insurance or 
indemnification may be inadequate, unobtainable or prohibitively expensive. Our insurance policies provide coverage for product 
liability on a claims made basis and general liability on an occurrence basis. We must renew these policies every year. We may not be 
able to renew our current policies or obtain additional insurance in the future on acceptable terms or at all. Our inability to obtain 
sufficient insurance coverage on reasonable terms, or otherwise protect ourselves against potential product liability claims in excess of 
our insurance coverage, if any, could materially adversely affect our business, financial condition and results of operations. 

We cannot guarantee that our present product liability insurance coverage is adequate. Such existing coverage will not be adequate as 
we further develop our products, and we cannot guarantee that we will obtain adequate insurance coverage against potential claims in 
sufficient amounts or at a reasonable cost. 

We expect that our stock price will fluctuate significantly. 

Our common stock is listed on the Nasdaq National Market under the ticker symbol "INSM." The stock market, particularly in recent 
years, has experienced significant volatility particularly with respect to biopharmaceutical and biotechnology stocks. The volatility of 
biopharmaceutical and biotechnology based stocks often does not relate to the operating performance of the companies represented 
by the stock. Factors that could cause such volatility in the market price of our common stock include: 

. reports on the results of our clinical trials; 

. announcements of the introduction of new products by our competitors or us; 

. market conditions in the biotechnology sectors; 

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. rumors relating to our competitors or us; 

. litigation or public concern about the safety of our potential products; 

. our quarterly operating results; 

. deviations in our operating results from the estimates of securities analysts; and 

. FDA or international regulatory actions. 

Future sales by existing shareholders may lower the price of our common stock, which could result in losses to our shareholders. 

Future sales of substantial amounts of common stock in the public market, or the possibility of such sales occurring, could adversely 
affect prevailing market prices for our common stock or our future ability to raise capital through an offering of equity securities. 
Substantially all of our common stock is freely tradable in the public market without restriction under the Securities Act of 1933, as 
amended (the "Securities Act"), unless these shares are held by "affiliates" of our company, as that term is defined in Rule 144 under 
the Securities Act. As of December 31, 2000: 

. Our affiliates own 6,355,333 shares that may be sold subject to volume restrictions imposed by Rule 144. Our affiliates also own 
options to acquire an additional 859,062 shares. The shares to be issued upon exercise of these options have been registered and may 
be freely sold when issued. 

. Our employees and consultants who are not deemed affiliates hold options to buy a total of 842,673 shares. The shares to be issued 
upon exercise of these options have been registered and may be freely sold when issued. 

. We may issue options to purchase up to an additional 1,041,752 shares under our stock option plan. The shares to be issued upon 
exercise of these options have been registered and may be freely sold when issued. 

. We have issued warrants to purchase 1,725,330 shares of our common stock. The shares that may be issued upon the exercise of 
these warrants will be "restricted securities", as defined in Rule 144. These shares may only be sold in the public market if they are 
registered or they qualify for an exemption from registration. We have agreed under certain circumstances to register the shares 
acquired upon exercise of such warrants. 

We have never paid dividends on our common stock and do not anticipate paying any cash dividends in the foreseeable future. 

We have not thus far paid cash dividends on our common stock. We currently intend to retain our future earnings, if any, to fund the 
development and growth of our businesses and, therefore, we do not anticipate paying any cash dividends in the foreseeable future. 

Certain provisions of Virginia law, our articles of incorporation and amended and restated bylaws make a takeover by a third party 
difficult. 

Certain provisions of Virginia law, our articles of incorporation and amended and restated bylaws could hamper a third party's 
acquisition of, or discourage a third party from attempting to acquire control of, us. The conditions could also limit the price that 
certain investors might be willing to pay in the future for shares of our common stock. These provisions include: 

. a provision allowing us to issue preferred stock with rights senior to those of the common stock without any further vote or action by 
the holders of the common stock. The issuance of preferred stock could decrease the amount of earnings and assets available for 
distribution to the holders of common stock or could adversely affect the rights and powers, including voting rights, of the holders of 
the common stock. In certain circumstances, such issuance could have the effect of decreasing the market price of the common stock; 

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. the existence of a staggered board of directors in which there are three classes of directors serving staggered three-year terms, thus 
expanding the time required to change the composition of a majority of directors and perhaps discouraging someone from making an 
acquisition proposal for us; 

. the amended and restated bylaws' requirement that shareholders provide advance notice when nominating our directors; 

. the inability of shareholders to convene a shareholders' meeting without the Chairman of the Board, the President or a majority of the 
board of directors first calling the meeting; and 

. the application of Virginia law prohibiting us from entering into a business combination with the beneficial owner of 10% or more of 
our outstanding voting stock for a period of three years after the 10% or greater owner first reached that level of stock ownership, 
unless we meet certain criteria. 

ITEM 2. PROPERTIES 

We lease a total of 14,750 square feet of office and laboratory space in Richmond, Virginia at an annual cost of approximately $370,000. 
Our leases expire at various times through February 2002. We believe that our existing facilities are adequate for our current needs. We 
believe that suitable additional or alternate space will be available on commercially reasonable terms when our leases expire or when we 
need additional space. 

ITEM 3. LEGAL PROCEEDINGS 

We are not involved in any legal proceedings that, in our opinion, could have a material adverse effect on our business or financial 
condition. 

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

There were no matters submitted to a vote of our shareholders during the quarter ended December 31, 2000. 

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PART II 

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

Our common stock began trading on The Nasdaq SmallCap Market on June 1, 2000. We moved from The Nasdaq SmallCap Market to 
the Nasdaq National Market on August 8, 2000. Our trading symbol is "INSM." The following table lists, for the periods indicated, the 
high and low sale prices per share for our common stock as reported on The Nasdaq SmallCap and Nasdaq National Markets. 

                                                                   Insmed 
                                                                Common Stock 

------------- 
Fiscal Year 2000                                                 High   Low 
----------------                                                ------ 
------ 
Fourth Quarter................................................. $16.25 $ 
2.56 
Third Quarter.................................................. $19.94 
$11.00 
Second Quarter................................................. $18.00 
$11.25 

On February 28, 2001, the last reported sale price for our common stock on the Nasdaq National Market was $5.00 per share. As of 
February 28, 2001, there were 491 holders of record of our common stock. 

We have never declared or paid dividends on our common stock. We anticipate that we will retain all earnings, if any, to support 
operations and to finance the growth and development of our business. Therefore, we do not expect to pay cash dividends in the 
foreseeable future. Any future determination as to the payment of dividends will be at the sole discretion of our board of directors and 
will depend on our financial condition, results of operations, capital requirements and other factors our board of directors deem 
relevant. 

As of February 28, 2001, we had 32,818,951 shares of common stock outstanding. Other than the shares discussed in the following 
paragraph, substantially all of these shares are freely tradable in the public market without restriction under the Securities Act, unless 
these shares are held by "affiliates" of our company, as that term is defined in Rule 144 under the Securities Act. 

As of February 28, 2001, warrants to purchase 1,725,330 shares of our common stock are outstanding. The shares which may be issued 
upon the exercise of these warrants will be "restricted securities" as that term is defined under Rule 144 under the Securities Act. We 
also have outstanding 30,000 shares that are restricted securities. Restricted shares may be sold in the public market only if they are 
registered or if they qualify for an exemption from registration under Rule 144 under the Securities Act. We have agreed, pursuant to a 
registration rights agreement, that under certain circumstances we will register the shares acquired upon exercise of such warrants. 

In January 2000, we, along with our subsidiary, Insmed Pharmaceuticals, Inc., entered into a purchase agreement with a number of 
private investors led by Cooper Hill Partners, LLC and including funds managed by OrbiMed Advisors, Quantum Partners and Vector 
Fund Management. In May 2000, these investors purchased 4,928,585 shares of our common stock and warrants exercisable for an 
aggregate of 1,725,330 shares of our common stock in a private placement. 

In connection with this financing, we entered into a registration rights agreement with the investors. When we propose to register our 
securities under the Securities Act, these shareholders will be entitled to notice of the registration and the right to include their shares 
in the registration, provided that the underwriters for the proposed offering will have the right to limit the number of shares included in 
the registration. In addition, if, at any time the company qualifies under applicable rules of the Securities and Exchange Commission to 
file a registration statement on Form S-3 or any successor form, those investors holding at least 50% of the securities sold in 
connection with the private placement may request that the company register their securities under the Securities Act provided that 
the resulting offering would result in net proceeds of at least $3 million. 

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ITEM 6. SELECTED FINANCIAL DATA 

In the table below, we provide you with selected consolidated financial data. This information has been derived from the audited 
consolidated financial statements of Insmed for the five years ended December 31, 2000. The acquisition of Celtrix closed on May 31, 
2000. The purchase method of accounting was used to account for the transaction. Accordingly, the results of operations for Celtrix 
are included in the historical financial information commencing June 1, 2000. 

When you read this selected historical financial data, it is important that you also read the historical financial statements and related 
notes, as well as "Management's Discussion and Analysis of Financial Condition and Results of Operations" on pages 24 to 27. 

                                        Year Ended December 31, 
                                      ----------------------------- 
                              1996     1997        1998      1999      2000 
                             -------  -------  ------------ -------  -------- 
                                 (in thousands, except per share data) 
Historical Statement of 
 Operations Data: 
Revenues.................... $    --  $    --    $    --    $    --  $     60 
Operating expenses: 
  Research and development..   1,156    2,604      3,669      5,657    21,608 
  General and 
   administrative...........     943      979      1,626      2,189     5,989 
  Purchased research and 
   development..............      --       --         --         --    50,434 
  Stock compensation........      --       --         --        285     3,564 
                             -------  -------    -------    -------  -------- 
Total operating expenses....  (2,099)   3,583      5,295      8,131    81,595 
                             -------  -------    -------    -------  -------- 
Operating loss..............  (2,099)  (3,583)    (5,295)    (8,131)  
(81,535) 
Interest income, net........      11      103        486        338     1,873 
                             -------  -------    -------    -------  -------- 
Loss before income taxes....  (2,088)  (3.480)    (4,809)    (7,793)  
(79,662) 
Income tax expense..........      --       --         --         --       200 
                             -------  -------    -------    -------  -------- 
Net loss.................... $(2,088) $(3,480)   $(4,809)   $(7,793) 
$(79,862) 
                             =======  =======    =======    =======  ======== 
Basic and diluted net loss 
 per share.................. $ (0.99) $ (1.39)   $ (1.68)   $ (2.47) $  
(4.36) 
Weighted average shares.....   2,099    2,497      2,868      3,155    18,319 

                                               December 31, 
                                               ------------ 
                              1996     1997        1998      1999      2000 
                             -------  -------  ------------ -------  -------- 
                                            (in thousands) 
Historical Balance Sheet 
 Data: 
Cash, cash equivalents and 
 marketable securities...... $ 2,106  $ 2,050    $11,677    $ 4,635  $ 83,083 
Total assets................   2,386    2,365     11,938      5,296   102,718 
Convertible participating 
 preferred stock............   5,294       --         --         --        -- 
Stockholders' equity 
 (deficiency)...............  (3,093)   2,151     11,661      4,462    96,782 

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

The following discussion also should be read in conjunction with the Consolidated Financial Statements and notes thereto. 

Overview 

We discover and develop pharmaceutical products for the treatment of metabolic and endocrine diseases associated with insulin 
resistance. Insmed has two lead drug candidates -- INS-1 and SomatoKine. We are actively developing these drugs to treat diabetes 
and polycystic ovary syndrome (commonly known as PCOS). 

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We have not been profitable and have accumulated a deficit of approximately $102.6 million through December 31, 2000. We expect to 
incur significant additional losses for at least the next several years and until such time as we generate sufficient revenue to offset 
expenses. Research and development costs relating to product candidates will continue to increase. We expect manufacturing, sales 
and marketing costs will increase as we prepare for the commercialization of our products. 

Results of Operations 

Year Ended December 31, 2000 compared to Year Ended December 31, 1999 

For the year ended December 31, 2000, we recorded a net loss of $79.9 million. The largest component of this loss relates to a one-time, 
non-cash charge of $50.4 million to write-off research and development resulting from the purchase of Celtrix in May 2000. The amount 
of the write-off is based on the value assigned to Celtrix's in-process research and development by an independent third-party 
appraisal company. 

During 2000 we also recognized a $3.6 million non-cash charge for stock compensation. The major component of this non-cash charge 
relates to stock options exercised with a non-recourse note. Generally accepted accounting principles require that compensation be 
recognized in the financial statements based on the difference between the current market price of the underlying stock and the market 
price utilized in the previous reporting period. The non- recourse note to which the majority of the charge relates was repaid during the 
year; accordingly, we do not anticipate similar charges in future periods. 

On July 10, 2000, we signed a definitive agreement with Taisho for the development and commercialization of INS-1 in Japan and other 
Asian countries. The potential pre-commercialization value of the collaboration is $32 million, which includes license fees and 
payments for achievement of certain development and regulatory milestones and an equity investment, in March 2000, of $3 million. 
Taisho will also fund 20% of INS-1 development costs in North America and Europe, and we will receive royalties on INS-1 sales in 
Japan and certain other Asian countries covered by the agreement. Beginning in August 2000, we began to accrete into revenue the 
initial license fee received from Taisho. The life of the related license agreement is being utilized as the amortization period. 

Research and development expenses increased $16.0 million from $5.7 million in 1999 to $21.6 million in 2000 as a result of increased 
clinical trial activity. INS-1 expenses increased $8.9 million during 2000, compared to 1999, as follows: 

. Amounts paid to contract research organizations and for site grants, monitoring, and other clinical trial-related costs increased 
approximately $5.9 million. 

. Contract manufacturing costs to supply INS-1 to our trials increased $3.0 million. 

We also incurred clinical and contract manufacturing costs of approximately $5.0 million related to the development of SomatoKine, the 
compound we acquired from Celtrix. 

General and administrative expenses increased $3.8 million from $2.2 million for 1999 to $6.0 million for 2000. Salaries and benefits 
account for the majority of the increase. We increased our general and administrative staff to adapt to our public status and to manage 
our growing portfolio of intellectual property. Legal fees were also incurred to finalize the license agreement with Taisho, transition the 
SomatoKine patent estate and other general corporate matters, and we incurred fees to develop our new web site and other investor 
materials. 

As of December 31, 2000, cash, cash equivalents and marketable securities increased to $83.1 million from $4.6 million at December 31, 
1999. As a result of the increase in cash balances, interest income, net increased $1.5 million to $1.9 million. The issuance of equity 
securities produced net proceeds of $97.3 million 

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and the acquisition of Celtrix provided net additional cash of $3.6 million. We also recorded net receivables of $1.2 million from Taisho 
for its portion of certain INS-1 development activities and approximately $16.7 million of goodwill in connection with the Celtrix 
acquisition. 

Accounts payable increased $2.7 million during 2000 as a result of increased clinical and manufacturing activity and the acquisition of 
Celtrix, and payroll liabilities increased $500,000 as a result of additional personnel and potential bonus payouts. In addition, we 
deferred the amount paid by Taisho as an initial license fee and are recognizing it as revenue over the life the agreement. Stockholders' 
equity increased $92.3 million as a result of the issuance of equity securities, the acquisition of Celtrix and option exercises. The largest 
component of the increase in accumulated deficit is the $50.4 million non-cash charge for purchased research and development 
acquired from Celtrix. 

Year Ended December 31, 1999 compared to Year Ended December 31, 1998 

Research and development expense was $5.7 million for the year ended December 31, 1999 compared to $3.7 million for the year ended 
December 31, 1998. The $2.6 million increase was caused by higher clinical trial costs. 

General and administrative expenses increased $563,000 to $2.2 million for the year ended December 31, 1999. The increase can be 
attributed to costs expended to obtain patent protection for technology in various countries, expenses incurred to develop strategic 
relationships, salary and benefits for the chief financial officer hired in May, and increases in travel and office expenses. We also 
recognized $285,000 of non-cash stock-based compensation. Interest income declined $148,000 to $338,000 for the year ended 
December 31, 1999. Lower average cash balances caused this decrease in 1999 compared to 1998. 

Year Ended December 31, 1998 compared to Year Ended December 31, 1997 

For the year ended December 31, 1998, we expended $3.7 million on research and development. This was an increase of $1.1 million 
from the year ended December 31, 1997, in which $2.6 million was expended. In 1998, additional development personnel were hired to 
manage and conduct an increasing number of clinical trials. The number of pre-clinical toxicology studies increased significantly over 
the prior year. Additional lab space was necessary to accommodate the increase in activity and we utilized outside scientific 
consultants. 

General and administrative expenses increased $647,000 to $1.6 million from $979,000 for the year ended December 31, 1997. The two 
primary components of the increase were additional salary and wages associated with an increase in personnel and expenditures on 
investor relations. 

In June 1998, we received net proceeds of $14.1 million from the sale of equity. This influx of cash caused an increase in the average 
cash balance in 1998 resulting in interest income of $486,000 for the year ending December 31, 1998, an increase of $383,000 over 1997. 

Liquidity and Capital Resources 

At December 31, 2000, our cash, cash investments and marketable securities were approximately $83.1 million and were invested in 
money market instruments and investment grade corporate debt. During the year ended December 31, 2000, we completed three equity 
financings. In March 2000 we sold Taisho 93,413 shares of our common stock. In May 2000 we sold to a group of investors 4,928,585 
shares of common stock together with warrants to purchase an additional 1,725,330 shares of common stock. The warrants are 
exercisable for five years at a price of $9.00 per share. In October 2000 we sold 5,500,000 shares of our common stock in an underwritten 
public offering. We received aggregate net proceeds of $97.3 million from these three offerings. We believe that our current cash 
position will be sufficient to fund our operations until at least the end of 2002. 

Our business strategy contemplates selling additional equity and entering into agreements with corporate partners to fund research 
and development, and provide milestone payments, license fees and equity 

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investments to fund operations. We will need to raise substantial additional funds to continue development and commercialization of 
our products. There can be no assurance that adequate funds will be available when we need them, or on favorable terms. If at any time 
we are unable to obtain sufficient additional funds, we will be required to delay, restrict or eliminate some or all of our research or 
development programs, dispose of assets or technology, or cease operations. 

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK 

We invest excess cash in investment grade, interest-bearing securities and, at December 31, 2000, had $83.1 million invested in money 
market instruments and investment grade corporate debt. Such investments are subject to interest rate and credit risk. Our policy of 
investing in highly rated securities whose maturities at December 31, 2000, are all less than one year minimizes such risks. In addition, 
while a hypothetical decrease in market interest rates of 10% from December 31, 2000 levels would reduce interest income, it would not 
result in a loss of the principal and the decline in interest income would not be material. 

ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA 

The information required by Item 8 is set forth on pages F-1 to F-13. 

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

None. 

PART III 

ITEM 10. DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT 

The information presented under the caption "Nominees," "Directors Whose Terms Expire at the 2002 Annual Meeting (Class II 
Directors)," "Directors Whose Terms Expire at the 2003 Annual Meeting (Class III Directors)" and "Section 
16(a) Beneficial Ownership Reporting Compliance" of the Company's definitive Proxy Statement for the 2001 Annual Meeting of 
Shareholders (the "2001 Proxy Statement") is incorporated herein by reference. Such 2001 Proxy Statement will be filed with the 
Securities and Exchange Commission in April 2001. 

ITEM 11. EXECUTIVE COMPENSATION 

The information presented under the captions "Executive Officer Compensation" and "Director Compensation" of the 2001 Proxy 
Statement is incorporated herein by reference. 

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT 

The information presented under the caption "Stock Ownership" of the 2001 Proxy Statement is incorporated herein by reference. 

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS 

The information presented under the caption "Certain Relationships and Related Transactions" of the 2001 Proxy Statement is 
incorporated herein by reference. 

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

(a) Documents filed as part of this report. 

PART IV 

1. FINANCIAL STATEMENTS. The following consolidated financial statements of the Company are set forth herein, beginning on 
page F-1: 

(i) Report of Ernst & Young LLP, Independent Auditors. 

(ii) Consolidated Balance Sheets. 

(iii) Consolidated Statements of Operations. 

(iv) Consolidated Statement of Stockholders' Equity. 

(v) Consolidated Statements of Cash Flows. 

(vi) Notes to Consolidated Financial Statements. 

2. FINANCIAL STATEMENT SCHEDULES. 

None required. 

3. EXHIBITS. 

The exhibits that are required to be filed or incorporated by reference herein are listed in the Exhibit Index. Exhibits 10.1 and 10.2 
constitute management contracts or compensatory plans or arrangements required to be filed as exhibits hereto. 

(b) Reports on Form 8-K. 

1. Current Report on Form 8-K, dated November 9, 2000, filed November 8, 2000, disclosing the live web cast of a presentation to be 
made by Dr. Geoffrey Allan, the Chairman of the Board, President and Chief Executive Officer of the Company, at the Prudential Vector 
Healthcare Conference on November 8, 2000. 

2. Current Report on Form 8-K, dated November 24, 2000, filed November 27, 2000, disclosing preliminary data for two clinical trials. 

3. Current Report on Form 8-K, dated November 28, 2000, filed December 1, 2000, disclosing slides relating to the prepared remarks of 
Dr. Geoffrey Allan, the Chairman of the Board, President and Chief Executive Officer of the Company, at the Company's public 
conference call with investors on November 28, 2000. 

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Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report 
to be signed on its behalf by the undersigned, thereunto duly authorized in the City of Richmond, Commonwealth of Virginia, on the 
22nd day of March 2001. 

SIGNATURES 

INSMED INCORPORATED 
a Virginia corporation 
(Registrant) 

          /s/ GEOFFREY ALLAN 
By: 
_________________________________ 
      Geoffrey Allan, Ph.D. 
      Chairman of the Board, 
       President and Chief 
   Executive Officer (Principal 
        Executive Officer) 

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on 
behalf of the Registrant and in the capacities indicated on the 22nd day of March 2001. 

              Signature                                   Title 
              ---------                                   ----- 

        /s/ GEOFFREY ALLAN             Chairman of the Board, President and Chief 
______________________________________  Executive Officer (Principal Executive 
        Geoffrey Allan, Ph.D.           Officer) 

       /s/ MICHAEL D. BAER             Chief Financial Officer (Principal 
Financial 
______________________________________  and Accounting Officer) 
           Michael D. Baer 

      /s/ KENNETH G. CONDON            Director 
______________________________________ 
          Kenneth G. Condon 

       /s/ GRAHAM K. CROOKE MB.BS      Director 
______________________________________ 
       Graham K. Crooke, MB.BS 

     /s/ STEINAR J. ENGELSEN M.D.      Director 
______________________________________ 
      Steinar J. Engelsen, M.D. 

      /s/ EDGAR G. ENGLEMAN M.D.       Director 
______________________________________ 
       Edgar G. Engleman, M.D. 

   (cid:211)  2003.  EDGAR Online, Inc.

29 

   (cid:211)  2003.  EDGAR Online, Inc.

CONSOLIDATED FINANCIAL STATEMENTS 

   (cid:211)  2003.  EDGAR Online, Inc.

REPORT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS 

The Board of Directors and Stockholders 
Insmed Incorporated 

We have audited the accompanying consolidated balance sheets of Insmed Incorporated as of December 31, 2000 and 1999 and the 
related consolidated statements of operations, stockholders' equity, and cash flows for each of the three years in the period ended 
December 31, 2000. These financial statements are the responsibility of the Company's management. Our responsibility is to express an 
opinion on these financial statements based on our audits. 

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

In our opinion, the financial statements referred to above present fairly, in all material respects, the consolidated financial position of 
Insmed Incorporated at December 31, 2000 and 1999, and the consolidated results of its operations and its cash flows for each of the 
three years in the period ended December 31, 2000, in conformity with accounting principles generally accepted in the United States. 

                                           /s/ Ernst & Young 
LLP 

McLean, Virginia 
January 16, 2001 

F-1 

   (cid:211)  2003.  EDGAR Online, Inc.

INSMED INCORPORATED 

CONSOLIDATED BALANCE SHEETS 
(in thousands, except share amounts) 

                                                              December 31, 
                                                              2000      1999 
                                                            ---------  ------- 
                          ASSETS 

Current assets: 
  Cash and cash equivalents................................ $  71,628  $   317 
  Marketable securities....................................    11,455    4,318 
  Due from Taisho Pharmaceutical Co., Ltd..................     1,228       -- 
  Other current assets.....................................       309       43 
                                                            ---------  ------- 
    Total current assets...................................    84,620    4,678 
Property and equipment, net................................     1,628      242 
Goodwill, net..............................................    16,220       -- 
Other assets...............................................       250      376 
                                                            ---------  ------- 
    Total assets........................................... $ 102,718  $ 5,296 
                                                            =========  ======= 

           LIABILITIES AND STOCKHOLDERS' EQUITY 

Current liabilities: 
  Accounts payable......................................... $   3,391  $   723 
  Payroll liabilities......................................       604      111 
  Deferred revenue--current portion........................       143       -- 
                                                            ---------  ------- 
    Total current liabilities..............................     4,138      834 
Deferred revenue...........................................     1,798       -- 
Stockholders' equity: 
  Series A convertible participating preferred stock, $.01 
   par value: authorized shares, 7,000,000; issued and 
   outstanding shares, 6,144,599 in 1999...................        --       61 
  Series B convertible preferred stock, $.01 par value: 
   authorized shares, 5,000,000; issued and outstanding 
   shares, 3,518,761 in 1999...............................        --       36 
  Common stock, $.01 par value: authorized shares 
   500,000,000 in 2000 and 20,000,000 in 1999; issued and 
   outstanding shares, 32,797,400 in 2000 and 968,113 in 
   1999....................................................       328       10 
  Additional capital.......................................   198,930   27,210 
  Notes receivable from stock sales........................        --      
(64) 
  Accumulated deficit......................................  (102,642) 
(22,780) 
  Accumulated other comprehensive income (loss)............       166      
(11) 
                                                            ---------  ------- 
    Total stockholders' equity.............................    96,782    4,462 
                                                            ---------  ------- 
    Total liabilities and stockholders' equity............. $ 102,718  $ 5,296 
                                                            =========  ======= 

   (cid:211)  2003.  EDGAR Online, Inc.

See accompanying notes. 

F-2 

   (cid:211)  2003.  EDGAR Online, Inc.

INSMED INCORPORATED 

CONSOLIDATED STATEMENTS OF OPERATIONS 
(in thousands, except per share data) 

                                                   Year Ended December 31, 
                                                     2000     1999     1998 
                                                   --------  -------  ------- 
Revenues.......................................... $     60  $    --  $    -- 
Operating expenses: 
  Research and development........................   21,608    5,657    3,669 
  General and administrative......................    5,989    2,189    1,626 
  Purchased research and development..............   50,434       --       -- 
  Non-cash stock compensation.....................    3,564      285       -- 
                                                   --------  -------  ------- 
    Total operating expenses......................   81,595    8,131    5,295 
                                                   --------  -------  ------- 
Operating loss....................................  (81,535)  (8,131)  
(5,295) 
Interest income...................................    1,873      338      486 
                                                   --------  -------  ------- 
Loss before income taxes..........................  (79,662)  (7,793)  
(4,809) 
Income tax expense................................      200       --       -- 
                                                   --------  -------  ------- 
Net loss.......................................... $(79,862) $(7,793) 
$(4,809) 
                                                   ========  =======  ======= 
Basic and diluted net loss per share.............. $  (4.36) $ (2.47) $ 
(1.68) 
                                                   ========  =======  ======= 
Shares used in computing basic and diluted net 
 loss per share...................................   18,319    3,155    2,868 
                                                   ========  =======  ======= 

See accompanying notes. 

F-3 

   (cid:211)  2003.  EDGAR Online, Inc.

INSMED INCORPORATED 

CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY 

YEARS ENDED DECEMBER 31, 2000, 1999, AND 1998 
(in thousands, except share amounts) 

                            Series A 
                           Convertible   Series B                       Notes                 Accumulated 
                          Participating Convertible                   Receivable                 Other 
                            Preferred    Preferred  Common Additional from Stock Accumulated Comprehensive 
                              Stock        Stock    Stock   Capital     Sales      Deficit      Income      Total 
                          ------------- ----------- ------ ---------- ---------- ----------- ------------- -------- 
Balance at December 31, 
 1997...................      $ 61         $ --      $  8   $ 12,305     $(44)    $ (10,178)     $ --      $  2,152 
Issuance of 25,647 
 shares of common stock 
 upon exercise of stock 
 options................        --           --        --         17       --            --        --            17 
Issuance of 25,750 
 shares of common stock 
 upon exercise of stock 
 warrants...............        --           --         1        259       --            --                     260 
Issuance of 3,581,761 
 shares of Series B, 
 Convertible Preferred 
 Stock and related 
 issuance of 29,067 
 shares of common stock 
 to underwriter.........        --           36        --     13,943       --            --        --        13,979 
Issuance of 32,508 
 shares of common stock 
 to licensor............        --           --        --         65       --            --        --            65 
Accrued interest on 
 notes receivable.......        --           --        --         --       (3)           --        --            (3) 
Net loss................        --           --        --         --       --        (4,809)       --        (4,809) 
                              ----         ----      ----   --------     ----     ---------      ----      -------- 
Balance at December 31, 
 1998 ..................        61           36         9     26,589      (47)      (14,987)       --        11,661 
Issuance of 47,160 
 shares of common stock 
 upon exercise of stock 
 options................        --           --         1        186       --            --        --           187 
Issuance of 3,000 shares 
 of common stock upon 
 exercise of stock 
 warrants...............        --           --        --         16      (16)           --        --            -- 
Issuance of 18,750 
 shares of common stock 
 upon exercise of stock 
 warrants...............        --           --        --        123       --            --        --           123 
Issuance of 2,278 shares 
 of common stock to 
 licensor...............        --           --        --         11       --            --        --            11 
Principal payment on 
 notes receivable.......        --           --        --         --        2            --        --             2 
Accrued interest on 
 notes receivable.......        --           --        --         --       (3)           --        --            (3) 
Recognition of stock 
 compensation expense...        --           --        --        285       --            --        --           285 
Comprehensive earnings: 
  Unrealized loss on 
   marketable 
   securities...........        --           --        --         --       --            --       (11)          (11) 
  Net loss..............        --           --        --         --       --        (7,793)       --        (7,793) 
  Comprehensive loss....        --           --        --         --       --            --        --        (7,804) 
                              ----         ----      ----   --------     ----     ---------      ----      -------- 
Balance at December 31, 
 1999 ..................        61           36        10     27,210      (64)      (22,780)      (11)        4,462 
Issuance of 792,298 
 shares of common stock 
 upon exercise of stock 
 options................        --           --         8        906       --            --        --           914 
Issuance of 32,500 
 shares of common stock 
 upon exercise of stock 

   (cid:211)  2003.  EDGAR Online, Inc.

 warrants...............        --           --        --         96       --            --        --            96 
Issuance of 93,413 
 shares of common stock 
 to Taisho 
 Pharmaceuticals Co. 
 Ltd....................        --           --         1      2,999       --            --        --         3,000 
Issuance of 4,969 shares 
 of common stock to 
 licensor...............        --           --        --        541       --            --        --           541 
Issuance of 1,408,169 
 shares of common stock 
 and 1,725,330 warrants 
 for cash, net of 
 offering costs of 
 $1,775.................        --           --        14     32,711       --            --        --        32,725 
Issuance of 14,470,553 
 shares of common stock 
 in connection with the 
 acquisition of Insmed 
 Pharmaceuticals, Inc...       (61)         (36)      145        (48)      --            --        --            -- 
Issuance of 9,527,385 
 shares of common stock 
 in connection with the 
 acquisition of Celtrix 
 Pharmaceuticals, Inc...        --           --        95     69,425       --            --        --        69,520 
Issuance of 5,500,000 
 shares of common stock 
 for cash, net of 
 offering costs of 
 $4,746.................        --           --        55     60,512       --            --        --        60,567 
Accrued interest on 
 notes receivable.......        --           --        --         --       (2)           --        --            (2) 
Principal payment on 
 notes receivable.......        --           --        --         --       66            --        --            66 
Recognition of stock 
 compensation expense 
 for employee...........        --           --        --      3,564       --            --        --         3,564 
Recognition of stock 
 compensation expense 
 for consultants........        --           --        --      1,014       --            --        --         1,014 
Comprehensive earnings: 
  Unrealized gain on 
   marketable 
   securities...........        --           --        --         --       --            --       177           177 
  Net loss..............        --           --        --         --       --       (79,862)       --       (79,862) 
  Comprehensive loss....        --           --        --         --       --            --        --       (79,685) 
                              ----         ----      ----   --------     ----     ---------      ----      -------- 
Balance at December 31, 
 2000 ..................      $ --         $ --      $328   $198,930     $ --     $(102,642)     $166      $ 96,782 
                              ====         ====      ====   ========     ====     =========      ====      ======== 

See accompanying notes. 

F-4 

   (cid:211)  2003.  EDGAR Online, Inc.

INSMED INCORPORATED 

CONSOLIDATED STATEMENTS OF CASH FLOWS 
(in thousands) 

                                                    Year Ended December 31, 
                                                      2000     1999     1998 
                                                    --------  -------  ------- 
Operating activities 
Net loss..........................................  $(79,862) $(7,793) 
$(4,809) 
Adjustments to reconcile net loss to net cash used 
 in operating activities: 
  Amortization....................................       487 
  Depreciation....................................       302       87       78 
  Gain on sale of property and equipment..........        --        1       -- 
  Issuance of stock for services..................     1,555       11       65 
  Interest accrued on notes receivable from stock 
   sales..........................................        (2)      (3)      
(3) 
  Non-cash stock compensation.....................     3,564      285       -- 
  Purchased research and development..............    50,434       --       -- 
  Changes in operating assets and liabilities: 
    Due from Taisho Pharmaceutical Co., Ltd.......    (1,228)      --       -- 
    Other current assets..........................      (233)    (277)     
(15) 
    Other assets..................................      (250)      --       -- 
    Accounts payable..............................     1,384      434       63 
    Payroll liabilities...........................       492       22       -- 
    Deferred revenue..............................     1,941       --       -- 
                                                    --------  -------  ------- 
      Net cash used in operating activities.......   (21,416)  (7,233)  
(4,621) 
                                                    --------  -------  ------- 
Investing activities 
Purchases of marketable securities................   (19,224)  (4,330)      -- 
Proceeds from marketable securities matured and 
 sold.............................................    12,264       --       -- 
Purchases of property and equipment...............    (1,294)    (109)    
(115) 
Acquisition of Celtrix Pharmaceuticals, Inc., net 
 of cash acquired.................................     3,613       --       -- 
                                                    --------  -------  ------- 
      Net cash used in investing activities.......    (4,641)  (4,439)    
(115) 
                                                    --------  -------  ------- 
Financing activities 
Proceeds from issuance of preferred stock.........        --       --   14,086 
Proceeds from issuance of common stock............    97,302      312      277 
Repayment of notes receivable from stock sales....        66       --       -- 
                                                    --------  -------  ------- 
Net cash provided by financing activities.........    97,368      312   14,363 
                                                    --------  -------  ------- 
Increase (decrease) in cash and cash equivalents..    71,311  (11,360)   9,627 
Cash and cash equivalents at beginning of year....       317   11,677    2,050 
                                                    --------  -------  ------- 
Cash and cash equivalents at end of year..........  $ 71,628  $   317  $11,677 
                                                    ========  =======  ======= 

   (cid:211)  2003.  EDGAR Online, Inc.

See accompanying notes. 

F-5 

   (cid:211)  2003.  EDGAR Online, Inc.

INSMED INCORPORATED 

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS 

1. Description of the Business and Summary of Significant Accounting Policies 

Insmed Incorporated (the "Company") discovers and develops pharmaceutical products for the treatment of metabolic and endocrine 
diseases associated with insulin resistance. Insulin resistance is a defect in the body that results in a decreased sensitivity to insulin, 
the principal hormone that regulates glucose levels in the bloodstream. The Company's lead product candidate, INS-1, is an 
orally-active insulin sensitizer, which restores tissue sensitivity to insulin. The Company is developing INS-1 for the treatment of type 
2 diabetes and polycystic ovary syndrome. The Company's second product candidate, SomatoKine(R), is a recombinant protein that is 
being developed as an injectable insulin sensitizer targeted towards the management of both type 1 and type 2 diabetics who are less 
sensitive to insulin therapy. The Company believes its product candidates address major clinical needs in the management of the 
diabetic population. 

From the Company's inception in 1988 until 1999, the Company was a development stage enterprise devoted primarily to raising capital, 
recruiting personnel, identifying and acquiring drugs for further research and development, and conducting preclinical and clinical 
development of its product candidate. During 2000, the Company recruited key management positions, completed its acquisition of 
Celtrix Pharmaceuticals, Inc., ("Celtrix") completed $97.3 million in equity financings, closed a license agreement with Taisho 
Pharmaceutical Co., Ltd. and, accordingly, is no longer considered a development stage enterprise for accounting purposes. 

Principles of Consolidation 

The consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries, Insmed 
Pharmaceuticals, Inc. and Celtrix. All significant intercompany balances and transactions have been eliminated. 

The Company considers investments with maturities of three months or less when purchased to be cash equivalents. 

Cash and Cash Equivalents 

Marketable Securities 

Marketable securities consist of corporate debt securities, all of which mature within one year. Management classifies the Company's 
marketable securities as available for sale. Such securities are stated at market value, with the unrealized gains and losses included as a 
separate component of stockholders' equity. Realized gains and losses and declines in value judged to be other than temporary on 
securities available for sale, if any, are included in operations. The cost of securities sold is calculated using the specific identification 
method. As of December 31, 2000 and 1999 the cost basis of marketable securities was $11,289,000 and $4,329,000, respectively. The 
unrealized gain (loss) was $177,000 in 2000 and $(11,000) in 1999. Realized gains have been insignificant. 

F-6 

   (cid:211)  2003.  EDGAR Online, Inc.

INSMED INCORPORATED 

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 

Property and Equipment 

Depreciation is provided using the straight-line method over periods ranging from three to seven years. Property and equipment is 
stated at cost and consists of the following: 

                                                                December 
                                                                   31, 
                                                                2000   1999 
                                                               ------  ---- 
                                                                   (in 
                                                               thousands) 
Research and development equipment............................ $1,747  $336 
Furniture and office equipment................................    429   168 
                                                               ------  ---- 
                                                                2,176   504 
Accumulated depreciation......................................   (548) 
(262) 
                                                               ------  ---- 
Property and equipment, net................................... $1,628  $242 
                                                               ======  ==== 

Goodwill 

Goodwill is being amortized on a straight-line basis over twenty years. Accumulated amortization of goodwill was approximately 
$487,000 at December 31, 2000. Management re-evaluates goodwill using undiscounted operating cash flows whenever significant 
events or changes occur which might impair recovery of recorded costs, and writes down goodwill to its net realizable value, if 
appropriate. 

Fair Value of Financial Instruments 

The Company considers the recorded cost of its financial assets and liabilities, which consist primarily of cash and cash equivalents, 
marketable securities and accounts payable, to approximate the fair value of the respective assets and liabilities at December 31, 2000. 

Stock-Based Compensation 

The Company recognizes expense for stock-based compensation in accordance with the provisions of Accounting Principles Board 
Opinion No. 25, Accounting for Stock Issued to Employees, and related interpretations. Accordingly, compensation cost is recognized 
for the excess, if any, of the estimated fair value of the stock at the grant date over the exercise price. Disclosures regarding alternative 
fair value measurement and recognition methods prescribed by Financial Accounting Standards Board ("FASB") Statement No. 123, 
Accounting for Stock-Based Compensation, are presented in Note 3. 

Stock options granted to non-employees are accounted for in accordance with EITF 96-18, Accounting for Equity Instruments that are 
issued to Other than Employees for Acquiring, or in Conjunction with Selling Goods or Services. Accordingly, the estimated fair value 
of the equity instrument is recorded on the earlier of the performance commitment date or the date the services required are completed. 

Revenue from license agreements is generally recognized over the term of the agreement, or in certain circumstances, when milestones 
are met. Amounts received for which there is a future performance obligation, are deferred and recognized on a straight-line basis over 
the life of the agreement. 

Revenue Recognition 

F-7 

   (cid:211)  2003.  EDGAR Online, Inc.

INSMED INCORPORATED 

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 

Income Taxes 

Income taxes are accounted for using the liability method. Deferred tax assets and liabilities are recognized for the future tax 
consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their 
respective tax bases and operating loss carryforwards. Deferred tax assets and liabilities are measured using enacted tax rates expected 
to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on 
deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date. 

Net Loss Per Share 

Basic net loss per share is computed based upon the weighted average number of common shares outstanding during the year. The 
Company's diluted net loss per share is the same as its basic net loss per share because all stock options, warrants, and other 
potentially dilutive securities are antidilutive and, therefore, excluded from the calculation of diluted net loss per share. 

Comprehensive Loss 

Under FASB Statement No. 130, Reporting Comprehensive Income, the Company is required to display comprehensive loss and its 
components as part of the consolidated financial statements. Comprehensive loss is comprised of the net loss and other 
comprehensive income (loss), which includes certain changes in equity that are excluded from the net loss. The Company includes 
unrealized holding gains and losses on available-for-sale securities in other comprehensive income (loss). 

Segment Information 

The Company currently operates in one business segment, which is the development and commercialization of pharmaceutical 
products for the treatment of metabolic and endocrine diseases associated with insulin resistance. The Company is managed and 
operated as one business. A single management team that reports to the Chief Executive Officer comprehensively manages the entire 
business. The Company does not operate separate lines of business with respect to its products or product candidates. Accordingly, 
the Company does not have separately reportable segments as defined by FASB Statement No. 131, Disclosure about Segments of an 
Enterprise and Related Information. 

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

Reclassifications 

Use of Estimates 

The preparation of the consolidated financial statements in conformity with accounting principles generally accepted in the United 
States requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial 
statements and accompanying notes. Actual results could differ from those estimates. 

There have been no recently issued accounting pronouncements that would have a material impact on the Company's financial 
position or results of operations. 

Recent Accounting Pronouncements 

F-8 

   (cid:211)  2003.  EDGAR Online, Inc.

INSMED INCORPORATED 

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 

2. Acquisition of Celtrix Pharmaceuticals 

In November 1999, Insmed Pharmaceuticals, Inc. entered into an agreement to acquire Celtrix. Celtrix was a biopharmaceutical company 
focused on developing novel therapeutics for the treatment of seriously debilitating, degenerative conditions primarily associated with 
severe trauma, chronic diseases or aging. The transaction closed on May 31, 2000. At closing: 

. Celtrix and Insmed Pharmaceuticals, Inc. became wholly-owned subsidiaries of the Company. 

. Each issued and outstanding preferred and common share of Insmed Pharmaceuticals, Inc. was exchanged for three and one-half 
shares on a pre-split basis of the Company's common stock. 

. Each issued and outstanding common share of Celtrix was exchanged for one share of the Company's common stock. 

. The liquidation preference per share ($1,000 per share) plus accrued but unpaid dividends of Celtrix Series A Preferred Stock was 
convertible into Celtrix common stock at a price per share of $2.006. The holders of Celtrix Series A Preferred Stock received shares of 
the Company's common stock on an as-converted basis. 

. All options and warrants of Insmed Pharmaceuticals, Inc. and Celtrix outstanding at the closing of the transaction converted into 
options and warrants of the Company. 

The purchase method of accounting was used to account for the transaction. The historical basis of Insmed Pharmaceuticals, Inc.'s 
assets and liabilities carried over to the Company. Approximately 9.5 million shares of the Company's common stock were issued to 
former Celtrix preferred and common stockholders. Aggregate consideration of $71.7 million, including $2.1 million in transaction costs 
incurred by Insmed Pharmaceuticals, Inc. was allocated to cash ($5.4 million), equipment and other assets ($427,000), accounts payable 
($1.2 million), in-process research and development ($50.4 million), and goodwill ($16.7 million). The fair value of in-process research 
and development was determined by an independent third-party valuation. 

F-9 

   (cid:211)  2003.  EDGAR Online, Inc.

INSMED INCORPORATED 

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 

Aggregate consideration was determined by multiplying the average fair value per share of the Celtrix common stock, for the five days 
prior to and subsequent to the signing of a definitive agreement on November 30, 1999, by the Celtrix shares outstanding, on an 
as-converted basis, as of November 30, 1999. The product of this calculation was added to the fair value of options and warrants 
outstanding at November 30, 1999 and the transaction costs incurred by Insmed Pharmaceuticals, Inc. The fair value of options and 
warrants was determined by using the Black-Scholes pricing method. Pro forma consolidated statements of operations for the years 
ended December 31, 2000 and 1999 are included below. These statements give effect to the acquisition of Celtrix and related 
transactions as if such transactions had occurred on January 1, 1999, and include the results of operations for Insmed Incorporated 
and Celtrix for the periods presented. 

                                                             For the year 
                                                            Ended December 
                                                                  31, 
                                                             2000      1999 
                                                           --------  -------- 
Revenues.................................................. $    188  $    763 
Operating expenses: 
  Research and development................................   22,495    16,492 
  General and administrative..............................    7,768     4,142 
  Purchased research and development......................   50,434        -- 
  Non-cash stock compensation.............................    3,564       285 
                                                           --------  -------- 
    Total operating expenses..............................   84,261    20,919 
                                                           --------  -------- 
Operating loss............................................  (84,073)  
(20,156) 
Interest income...........................................    1,960       423 
Other income..............................................       --       600 
                                                           --------  -------- 
Loss before income tax expense............................  (82,113)  
(19,133) 
Income tax expense........................................      200        -- 
                                                           --------  -------- 
Net loss.................................................. $(82,313) 
$(19,133) 
                                                           ========  ======== 
Net loss per share--basic and diluted..................... $  (3.01) $  
(0.77) 
                                                           ========  ======== 
Shares used in computing basic and diluted net loss per 
 share....................................................   27,380    24,827 
                                                           ========  ======== 

3. Stockholders' Equity 

Common Stock 

On July 28, 2000, the Company's stockholders approved a one-for-four reverse stock split. The split was effective at the close of 
business on July 28, 2000, and shares of common stock began trading on the post-split basis at the opening of The Nasdaq Stock 
Market on July 31, 2000. Stockholders' equity has been restated to give retroactive recognition to the reverse stock split. In addition, all 
references in the consolidated financial statements to number of shares and per share amounts have been restated. 

On November 1, 2000, the Company sold 6,500,000 shares of common stock at $11.875 per share in a public offering, including 1,000,000 

   (cid:211)  2003.  EDGAR Online, Inc.

shares that were sold by certain selling shareholders. The proceeds from the sale of 5,500,000 shares approximated $60.6 million after 
deducting underwriting discounts and commissions and estimated offering expenses payable by the Company. 

Periodically, the Company has issued shares of common stock in exchange for services provided by shareholders and others. These 
issuances have been recorded at their estimated fair value at the time of the respective transactions and corresponding amounts have 
been reflected as expense in the accompanying consolidated statements of operations. 

F-10 

   (cid:211)  2003.  EDGAR Online, Inc.

INSMED INCORPORATED 

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 

Stock Warrants and Options 

On May 31, 2000 Insmed Pharmaceuticals, Inc. issued warrants to purchase 1,725,330 shares of the Company's common stock. The 
warrants are exercisable for five years at a price of $9.00. 

The Company issues stock options to attract and retain executive officers, key employees, non-employee directors and other 
non-employee advisors and service providers. The current plan provides for issuance of options to purchase up to 3,000,000 shares of 
common stock, which increases each year by one percent of the number of outstanding shares of common stock on the preceding 
December 31. The maximum number of shares issuable under the plan is 6,250,000. At December 31, 2000, 1,041,752 options remain 
available for new grants. Options may be granted at the discretion of the board of directors, compensation committee or a delegate. 
The weighted-average fair value of options granted during 2000, 1999, and 1998 was $8.23, $0.38, and $0.08, respectively. A summary of 
stock option activity is as follows: 

                                    Weighted            Weighted            
Weighted 
                                    Average             Average             Average 
                                    Exercise            Exercise            
Exercise 
                           2000      Price     1999      Price     1998      Price 
                         ---------  -------- ---------  -------- ---------  
-------- 
Options outstanding at 
 January 1.............. 1,490,558   $ 1.06  1,253,722   $1.09     894,169   $0.80 
Granted................. 1,060,444    11.37    465,924    0.91     516,688    1.35 
Exercised...............  (792,298)    1.21   (165,062)   1.13     (89,766)   0.18 
Cancelled...............   (56,969)    4.12    (64,026)   0.43     (67,369)   0.22 
                         ---------   ------  ---------   -----   ---------   ----- 
Options outstanding at 
 December 31............ 1,701,735   $ 7.39  1,490,558   $1.06   1,253,722   $1.09 
                         =========   ======  =========   =====   =========   ===== 

The following table summarizes options outstanding at December 31, 2000: 

                          Options Outstanding              Options Exercisable 
                   -------------------------------------  
----------------------- 
                                  Weighted 
                                   Average 
                                  Remaining    Weighted 
    Range of                     Contractual   Average                  Weighted 
    Exercise         Number       Exercise     Exercise     Number      Average 
     Prices        Outstanding      Life        Price     Exercisable    Price 
    --------       -----------   -----------   --------   -----------   -------- 
$ 0.172--$ 0.916      632,720       3.47        $ 0.76      398,010      $ 0.70 
$ 1.488--$ 4.572      147,377       5.91          4.02      120,877        4.27 
$ 5.000--$ 9.752      132,708       4.94          7.70      132,708        7.70 
$10.000--$13.063      209,791       7.87         11.47      102,295       10.71 
$13.313--$ 14.00      576,250       7.36          7.36           --          -- 
    $32.116             2,889       6.25         32.12        2,889       32.12 
                    ---------       ----        ------      -------      ------ 
                    1,701,735       5.66        $ 7.39      756,779      $ 3.96 

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                    =========       ====        ======      =======      ====== 

If the Company had accounted for its employee stock awards under the fair value based method, the net loss would have increased by 
approximately $627,000 for 2000, $48,000 for 1999 and $16,000 for 1998. The basic and diluted net loss per share would have increased 
$.03 in 2000 and $.01 in 1999, with no change in 1998. These pro forma amounts are not indicative of future effects of applying the fair 
value based method since stock-based awards granted may vary from year to year and vesting periods of one to four years were used 
to measure pro forma compensation expense. The fair value for these awards was estimated at the date of grant using the 
Black-Scholes pricing method assuming a weighted average volatility of 83% in 2000 and 25% in 1999 and 1998, a risk-free interest rate 
of 6% in 2000, 1999 and 1998, no dividends, and a weighted-average expected life of the option of 4 years in 2000 and 1999 and 2 years 
in 1998. 

F-11 

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INSMED INCORPORATED 

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 

A total of 4,975,330 shares of common stock were reserved at December 31, 2000 in connection with stock options, stock warrants, and 
the employee stock purchase plan. 

4. Income Taxes 

The deferred tax assets of approximately $60.6 million and $8.3 million at December 31, 2000 and 1999, respectively, arose primarily due 
to the capitalization of in-process research and development and net operating loss carryforwards for income tax purposes. Due to the 
Company's anticipated future losses, these amounts have been entirely offset by a valuation allowance. 

At December 31, 2000 and 1999, the Company had net operating loss carryforwards for income tax purposes of approximately $160.4 
million, of which $115 million was acquired from Celtrix, and $20.6 million, respectively, expiring in various years beginning in 2003. 
Utilization of these carryforwards will be significantly limited due to changes in the ownership of the Company's common stock. 

The Company recognized $200,000 of income tax expense in the year ended December 31, 2000 related to foreign taxes withheld from 
the initial license fee received from Taisho Pharmaceutical Co., Ltd. 

5. Leases 

The Company leases office and laboratory space under operating lease agreements expiring in February 2002. The leases provide for 
monthly rent of approximately $14,300 with a 2.5% escalation per year. The Company also leases a vehicle, office equipment and 
additional laboratory space. Future minimum payments on these leases at December 31, 2000 were $294,000 and $35,000 in 2001 and 
2002, respectively. Rent expense for all operating leases approximated $319,000 in 2000, $243,000 in 1999 and $223,000 in 1998. 

6. Employee Benefit Plans 

In 2000, the Company adopted a stock purchase plan whereby eligible employees may purchase common stock. Purchases may be 
made through payroll deductions subject to annual limitations. The purchase price per share under the plan is the lesser of 85% of the 
fair market value of a share of common stock at the beginning of each offering period or 85% of the fair market value on the date the 
purchase is made. As of December 31, 2000 there were 250,000 shares authorized for issuance under the plan and none have been 
issued. 

The Company also maintains a tax-qualified employee savings and retirement plan, (the "401(k) plan") for eligible employees. 
Participating employees may defer up to the lesser of 25% of W-2 compensation or the maximum amount permitted by the Internal 
Revenue Code, as amended. The 401(k) plan permits the Company to make matching contributions on behalf of all participants who 
have elected to make deferrals. To date, the Company has not made any contributions to the plan. 

7. License and Collaborative Agreements 

UVA Patent Foundation 

In 1988, the Company entered into a license agreement with The University of Virginia Alumni Patents Foundation (the Foundation). 
The agreement, as amended, provides the Company with an exclusive, worldwide license to develop and sell products related to certain 
patent rights for insulin resistance and associated disorders. The Company is obligated to pay minimum annual licensing fees of 
$100,000, as well as patent costs through the expiration of patent rights. The Company may also have to pay a royalty on net sales of 
any therapeutic drugs covered by the agreement. 

F-12 

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INSMED INCORPORATED 

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 

Under the license agreement, the Company was required to issue shares of its common stock each time shares of any class of stock 
were issued so that the Foundation at all times had a 3% undiluted interest in the Company. The right to receive such stock expired 
May 31, 2000. Prior to the expiration of this right, the Foundation had received 103,780 shares of common stock under the license 
agreement. These issuances have been recorded at their estimated fair value at the time of the respective transaction. Related expenses 
of $641,000 in 2000, $111,000 in 1999, and $165,000 in 1998 have been included in research and development expense in the 
accompanying consolidated statements of operations. 

The Company also provided support for research at the University of Virginia (UVA) that contributes toward commercial development 
of its planned products. Total expense for research support to UVA amounted to $347,000 and $180,000 in 1999 and 1998, respectively. 

Taisho Pharmaceutical Co., Ltd. 

In July 2000, the Company entered into an agreement with Taisho Pharmaceutical Co., Ltd. ("Taisho") for the development and 
commercialization of INS-1 in Japan and certain other Asian countries. The collaboration includes payments upon achievement of 
certain development and regulatory milestones as well as the receipt of royalties on INS-1 sales in Japan and the other Asian countries 
covered by the agreement. Taisho will also fund 20% of the development costs for INS-1 in North America and Europe. Development 
costs reimbursable by Taisho in 2000 approximated $2.3 million and have been applied to reduce research and development expense. 
The agreement also provided for an initial license fee of $2.0 million, which has been deferred and is being amortized into revenue, on a 
straight-line basis, over the estimated life of the agreement. In addition, Taisho has purchased 93,413 shares of the Company's common 
stock. 

F-13 

   (cid:211)  2003.  EDGAR Online, Inc.

EXHIBIT INDEX 

Exhibit 
Number  Exhibit Title 
------- ------------- 

 3.1    Articles of Incorporation of Insmed Incorporated, as amended 
         (previously filed as Annex H to the Joint Proxy Statement/Prospectus 
         contained in Part I of Insmed Incorporated's Registration Statement 
         on Form S-4 (Registration No. 333-30098) and incorporated herein by 
         reference). 

 3.2    Amended and Restated Bylaws of Insmed Incorporated (previously filed 
         as Annex I to the Joint Proxy Statement/Prospectus contained in Part 
         I of Insmed Incorporated's Registration Statement on Form S-4 
         (Registration No. 333-30098) and incorporated herein by reference). 

 4.1    Description of Capital Stock (contained in the Articles of 
         Incorporation filed as Exhibit 3.1). 

 4.2    Specimen stock certificate representing common stock, $.01 par value 
         per share, of the Registrant (previously filed as Exhibit 4.2 to 
         Insmed Incorporated's Registration Statement on Form S-4 
         (Registration No. 333-30098) and incorporated herein by reference). 

 4.3    Article VI of the Articles of Incorporation of Insmed Incorporated 
         (previously filed as Exhibit 4.1 to Insmed Incorporated's 
         Registration Statement on Form S-4 (Registration No. 333-30098) and 
         incorporated herein by reference). 

10.1    Insmed Incorporated 2000 Stock Purchase Plan (previously filed as 
         Exhibit 10.1 to Insmed Incorporated's Registration Statement on Form 
         S-4 (Registration No. 333-30098) and incorporated herein by 
         reference). 

10.2    Insmed Incorporated 2000 Stock Incentive Plan (previously filed as 
         Exhibit 10.2 to Insmed Incorporated's Registration Statement on Form 
         S-4 (Registration No. 333-30098) and incorporated herein by 
         reference). 

10.3    Amended and Restated License Agreement between Insmed 
Pharmaceuticals, 
         Inc. and The University of Virginia Alumni Patents Foundation 
         (previously filed as Exhibit 10.3 to Insmed Incorporated's 
         Registration Statement on Form S-4 (Registration No. 333-30098) and 
         incorporated herein by reference). 

10.4+   Subscription, Joint Development and Operating Agreement by and among 
         Celtrix Pharmaceuticals, Inc., Elan Corporation, plc, Elan 
         International Services, Ltd., and Celtrix Newco Ltd. dated as of 
         April 21, 1999 (previously filed as Exhibit 10.8 to Insmed 
         Incorporated's Registration Statement on Form S-4 (Registration No. 
         333-30098) and incorporated herein by reference). 

10.5+   License Agreement by and between Celtrix Newco Ltd. and Celtrix 
         Pharmaceuticals, Inc. dated as of April 21, 1999 (previously filed 
as 
         Exhibit 10.9 to Insmed Incorporated's Registration Statement on Form 
         S-4 (Registration No. 333-30098) and incorporated herein by 

   (cid:211)  2003.  EDGAR Online, Inc.

         reference). 

10.6+   License Agreement by and between Celtrix Newco Ltd. and Elan 
         Pharmaceutical Technologies, a division of Elan Corporation, plc, 
         dated as of April 21, 1999 (previously filed as Exhibit 10.10 to 
         Insmed Incorporated's Registration Statement on Form S-4 
         (Registration No. 333-30098) and incorporated herein by reference). 

10.7    License Agreement, dated as of April 1, 1993, between Genentech, Inc. 
         and Celtrix Pharmaceuticals, Inc. (previously filed as Exhibit 10.11 
         to Insmed Incorporated's Registration Statement on Form S-4 
         (Registration No. 333-30098) and incorporated herein by reference). 

10.8    Purchase Agreement among Insmed, Inc., Insmed Pharmaceuticals, Inc. 
         and certain investors named therein dated January 13, 2000 
         (previously filed as Exhibit 10.12 to Insmed Incorporated's 
         Registration Statement on Form S-4 (Registration No. 333-30098) and 
         incorporated herein by reference). 

E-1 

   (cid:211)  2003.  EDGAR Online, Inc.

10.9   Form of Warrant of Insmed to be issued pursuant to Purchase Agreement 
        among Insmed Incorporated, Insmed Pharmaceuticals, Inc. and certain 
        investors dated January 13, 2000 (previously filed as Exhibit 10.13 
to 
        Insmed Incorporated's Registration Statement on Form S-4 
(Registration 
        No. 333-30098) and incorporated herein by reference). 

10.10  Form of Registration Rights Agreement among Insmed Incorporated, 
Insmed 
        Pharmaceuticals, Inc. and certain investors party to the Purchase 
        Agreement among Insmed Incorporated, Insmed Pharmaceuticals, Inc. and 
        certain investors dated January 13, 2000 (previously filed as Exhibit 
        10.14 to Insmed Incorporated's Registration Statement on Form S-4 
        (Registration No. 333-30098) and incorporated herein by reference). 

10.11+ License Agreement, dated as of July 10, 2000, between Insmed 
        Pharmaceuticals, Inc. and Taisho Pharmaceutical Co., Ltd. (previously 
        filed as Exhibit 10.15 to Insmed Incorporated's Registration 
Statement 
        on Form S-1 (Registration No. 333-46552) and incorporated herein by 
        reference). 

10.12  Lease Agreement, dated March 24, 1997, between Virginia Biotechnology 
        Research Park Authority, a political subdivision of the Commonwealth 
        of Virginia, and Insmed Pharmaceuticals, Inc., as amended by 
Amendment 
        No. 1 (previously filed as Exhibit 10.16 to Insmed Incorporated's 
        Registration Statement on Form S-1 (Registration No. 333-46552) and 
        incorporated herein by reference). 

10.13  Agreement of Lease, dated February 16, 1999, between Virginia 
        Biotechnology Research Park Authority, a political subdivision of the 
        Commonwealth of Virginia, and Insmed Pharmaceuticals, Inc. 
(previously 
        filed as Exhibit 10.17 to Insmed Incorporated's Registration 
Statement 
        on Form S-1 (Registration No. 333-46552) and incorporated herein by 
        reference). 

10.14  Agreement of Lease, dated June 26, 2000, between Virginia 
Biotechnology 
        Research Park Authority, a political subdivision of the Commonwealth 
        of Virginia, and Insmed Incorporated (previously filed as Exhibit 
        10.18 to Insmed Incorporated's Registration Statement on Form S-1 
        (Registration No. 333-46552) and incorporated herein by reference). 

21.1   Subsidiaries of Insmed Incorporated (previously filed as Exhibit 21.1 
        to Insmed Incorporated's Registration Statement on Form S-1 
        (Registration No. 333-46552) and incorporated herein by reference). 

23.1   Consent of Ernst & Young LLP. 

+ The Securities and Exchange Commission has granted confidential treatment with respect to certain information in these exhibits. 

   (cid:211)  2003.  EDGAR Online, Inc.

E-2 

   (cid:211)  2003.  EDGAR Online, Inc.

EXHIBIT 23.1 

Consent of Independent Auditors 

We consent to the incorporation by reference in each Registration Statement (Form S-8 Registration Nos. 333-39198 and 333-39200) 
pertaining to the Insmed Incorporated Employee Stock Purchase Plan and the Insmed Incorporated Stock Incentive Plan, respectively, 
of our report dated January 16, 2001, with respect to the consolidated financial statements of Insmed Incorporated included in the 
Annual Report (Form 10-K) for the year ended December 31, 2000. 

                                                   /s/ Ernst & Young 
LLP 

McLean, Virginia 
March 21, 2001 

   (cid:211)  2003.  EDGAR Online, Inc.

End of Filing

   (cid:211)  2003.  EDGAR Online, Inc.