MELVILLE, N.Y.--(BUSINESS WIRE)--OSI Pharmaceuticals, Inc. (Nasdaq: OSIP) announced today that its third quarter 2009 financial results will be released on October 21, 2009, after the markets close. Following the announcement, OSI’s management will host a live conference call and webcast at 5:00p.m. Eastern Time to review the Company’s financial results, product portfolio and business developments.