OSI Pharmaceuticals, Inc.

NASDAQ:OSIP ISIN:US6710401034

May 26, 2012

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OSI Pharmaceuticals, Inc. Company Summary

OSI Pharmaceuticals, Inc. (NASDAQ:OSIP) is a biotechnology company primarily focused on the discovery, development and commercialization of molecular targeted therapies addressing unmet medical needs in oncology, diabetes and obesity. The Company's primary focus is oncology and its flagship product is Tarceva (erlotinib), a small molecule inhibitor of the epidermal growth factor receptor (EGFR). OSI also has research and development programs in diabetes and obesity, which are conducted through Prosidion Limited, the Company's United Kingdom subsidiary. Roche Holding Ltd. and OSI announced that Tarceva (erlotinib) has been approved in Japan for the treatment of patients with nonresectable, recurrent and advanced non-small cell lung cancer (NSCLC), which is aggravated following chemotherapy.

COMPANY DATA

	Principal Sector	Health & Pharm

	Principal Industry	Medical Products

	Homepage	www.osip.com

Key Developments: OSI Pharmaceuticals, Inc.

	Asian Markets Overview of March 16, 2010: Pilot (TYO:7846) Expand Deeper into China and India MAR 16, 2010 13:30 - Article Views: 4,071 Wall Street's modest gain overnight provided Asian stocks a positive lead, but lingering concerns over China's monetary policy could drag the regional markets today. Investors may keep cautious ahead of policy meetings by the US Federal Reserve and the Bank of Japan this week. Yesterday most Asian markets were lower. Japan's Nikkei 225 ended flat and South Korea's Kospi fell 0.8 per cent. China's Shanghai Composite lost 1.2 per cent, and Hong Kong's Hang Seng Index declined 0.6 per cent amid fears of Chinese government's possible credit tightening measure.

	Asian Markets Overview of March 2 MAR 2, 2010 13:30 - Article Views: 3,866 Asian markets are expected to rise today as Wall Street rallied overnight on improved data of manufacturing employment in the US and a takeover of American International Group's Asian arm by British insurer Prudential. Resources shares in Asia were up on Monday as the massive earthquake in Chile raised concerns on copper supplies. Asian markets closed mostly higher yesterday. Japan's Nikkei rose 0.5 per cent, lifted by a rise in non-ferrous metal shares. Hong Kong's Hang Seng Index gained 2.2 per cent and China's Shanghai Composite added 1.2 per cent on expectations Beijing may retain an appropriately loose monetary policy at the upcoming meeting of the National People's Congress.