MELVILLE, N.Y.--(BUSINESS WIRE)--OSI Pharmaceuticals, Inc. (NASDAQ: OSIP) announced today that Michael G. Atieh, Executive Vice President and Chief Financial Officer of OSI Pharmaceuticals, will present at the UBS Conference in New York, NY on Monday, September 22, 2008 at 4:00pm (Eastern Time). Mr. Atieh will provide an overview on the Company’s product portfolio and business developments.