SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Exelixis, Inc. (Nasdaq:EXEL) will release its first quarter 2010 financial results on Tuesday, May 11, 2010 after the markets close. The announcement will be followed by a live webcast at 5:00 p.m. ET/ 2:00 p.m. PT, in which Exelixis management will discuss the financial results, financial outlook, and provide a general business update. The webcast may be accessed in the Event Calendar page under Investors at http://www.exelixis.com.