ALLOCATION OF 2006 R&D SPEND BY DISEASE AREA

Through partnering & prioritization, we can control spend while delivering sufficient scale to mitigate risk in favor of successful pipeline development.

Clearly balancing the risks and rewards to R&D spend is important. OSI estimates that we will spend approximately $175 million on R&D. Our collaborations with Genentech and Roche for Tarceva and with Pfizer for Macugen, leverage the total spend on OSI products and programs to an estimated $290 million in 2006 with some 55% of this spend in oncology, 28% in ophthalmology and 17% in diabetes.

All numbers are estimates for 2006 as of 3/06. OSIP Spend is shown net of PFE reimbursement for Macugen development.

 

 



Our Pipeline
A key to our long-term success resides in our ability to continue to fund our broad-based, deep and innovative pipeline of follow-on products in all three disease areas. We believe Tarceva will prove to be just the first compound in our oncology arsenal. Two other drug candidates, OSI-930 and OSI-906, are already in various stages of development. OSI-930 is designed to target both cancer-cell proliferation and blood-vessel growth (angiogenesis) in selected tumors. OSI-906 is a selective inhibitor of the IGF-1R receptor – widely recognized as a key target of growth regulation in cancer cells, but one that has proven to be difficult to address despite repeated efforts throughout the pharmaceutical industry.

In the eye-disease arena, OSI is studying the use of Macugen and other anti-VEGF agents in combination with a novel anti-platelet derived growth factor aptamer. We are also developing controlled-release formulations of Macugen that could allow for only twice yearly intra-ocular injections in the future.

Meanwhile, our emerging diabetes clinical pipeline – one that reflects our historical target-based discovery efforts in this area – has us well-positioned to provide prospective partners with a pipeline of innovative and competitive diabetic drug candidates. In addition to PSN9301, our DP-IV inhibitor in Phase II trials, we have advanced our glycogen phosphorylase inhibitor, PSN357, to Phase IIa trials and recently began clinical trials on PSN010, our glucokinase activator.

Financials & Corporate
Governance
2005 and the approval of Tarceva marked the start of our commitment to deliver profitability within 2-3 years of Tarceva launch. In 2005, we recorded revenues of $174 million, up from $44 million in 2004 and a clear indicator of our progress in this regard. With the addition of Macugen revenues following the Eyetech deal we have established the necessary scale to our business which we believe favors long-term success. We are committed to managing our R&D and SG&A spend in a tightly controlled manner until our revenue growth delivers solid profitability and adds real financial strength to our existing R&D prowess.

In December 2005, we strengthened the cash position on our balance sheet by issuing $115 million aggregate principal of 2% Convertible Senior Subordinated Notes due 2025. The sale of the notes generated net proceeds of approximately $111 million, allowing us to complete 2005 with more than approximately $180 million in cash and short-term investments.

In taking a long-term view of growing a successful business we recognize that our shareholders deserve an appropriate means to voice opinions on sizeable strategic initiatives, and we have taken some constructive governance steps to ensure this in the future.

In closing, we want to particularly thank our shareholders for being our long-term partners on the road to success. We would also like to thank our employees and recognize their tremendous commitment to our patients. And to the patients themselves and their families, who by their participation in clinical trials show their belief in our novel therapies for cancers, eye diseases, and diabetes and obesity, we pledge to work every day to continue shaping medicine and changing lives.

 
  Colin Goddard, Ph.D.
Chief Executive Officer
   
 
  Robert A. Ingram
Chairman of the Board

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