MELVILLE, N.Y.--(BUSINESS WIRE)--May 9, 2006--OSI Pharmaceuticals, Inc. (NASDAQ:OSIP - News) announced today that Michael G. Atieh, Executive Vice President and Chief Financial Officer of OSI Pharmaceuticals will present at the Bank of America Health Care Conference in Las Vegas, NV on Tuesday, May 16, 2006 at 8:40am Pacific Time (11:40am EDT). Mr. Atieh will provide an overview on the Company's product portfolio and business developments.