SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Exelixis, Inc. (NASDAQ:EXEL) announced today that Charles Butler, the company’s vice president of investor relations and corporate communications, will present at the Canaccord Genuity 30th Annual Growth Conference at 10:30 a.m. EDT / 7:30 a.m. PDT on Thursday, August 12, 2010 in Boston. Mr. Butler will discuss the company’s corporate strategy, development pipeline and financial outlook, and provide a general business update.