SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Exelixis, Inc. (NASDAQ:EXEL) announced today that Michael Morrissey, PhD, the company’s president and chief executive officer, will present at the Stifel Nicolaus Healthcare Conference at 4:25 p.m. EDT / 1:25 p.m. PDT on Thursday, September 8, 2011, in Boston. During the presentation, Dr. Morrissey will provide a general business update, review the most recent publicly available data for cabozantinib in castration-resistant prostate cancer, and discuss the pivotal trial plans and regulatory strategy for the compound.