Press Release

Exelixis Announces January 31 Webcast of Presentation at the 2008 Wachovia Healthcare Conference

January 24, 2008
SOUTH SAN FRANCISCO, Calif., Jan 24, 2008 /PRNewswire-FirstCall via COMTEX News Network/ -- Exelixis, Inc. (Nasdaq: EXEL) announced today that George A. Scangos, Ph.D., president and chief executive officer of Exelixis, will present at the 2008 Wachovia Healthcare Conference at 9:30 a.m. ET / 6:30 a.m. PT on Thursday, January 31, 2008.

The presentation will be webcast and may be accessed in the Event Calendar page under Investors on the Exelixis website at http://www.exelixis.com.

About Exelixis

Exelixis, Inc. is a development-stage biotechnology company dedicated to the discovery and development of novel small molecule therapeutics for the treatment of cancer and other serious diseases. The company is leveraging its fully integrated drug discovery platform to fuel the growth of its development pipeline, which is primarily focused on cancer. Currently, Exelixis' broad product pipeline includes investigational compounds in phase 2 and phase 1 clinical development. Exelixis has established strategic corporate alliances with major pharmaceutical and biotechnology companies, including GlaxoSmithKline, Bristol-Myers Squibb Company, Genentech, Wyeth Pharmaceuticals and Daiichi-Sankyo. For more information, please visit the company's web site at http://www.exelixis.com.

SOURCE Exelixis, Inc.

http://www.exelixis.com