SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Exelixis, Inc. (NASDAQ: EXEL) will release its first quarter 2011 financial results on Tuesday, May 3, 2011, after the markets close. The announcement will be followed by a live webcast at 5:00 p.m. EDT/ 2:00 p.m. PDT. During the webcast, Exelixis management will discuss the company’s financial results, 2011 financial guidance, corporate strategy, and provide a general business update. The webcast may be accessed in the Event Calendar page under Investors and Media at www.exelixis.com.