SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Exelixis, Inc. (Nasdaq:EXEL) will release its first quarter 2009 financial results on Thursday, May 7, 2009 after the markets close. The announcement will be followed by a live webcast at 5:00 p.m. EDT/ 2:00 p.m. PDT, in which Exelixis management will discuss the financial results and provide a general business update. The webcast may be accessed on the Event Calendar page under Investors at www.exelixis.com.