Exelixis Announces March 24 Webcast of Presentation at the Barclays Capital Global Healthcare Conference

Exelixis, Inc. (NASDAQ: EXEL) announced today that Frank Karbe, the company’s executive vice president and chief financial officer, will present at the Barclays Capital Global Healthcare Conference at 3:45 p.m. EDT / 12:45 p.m. PDT on Wednesday, March 24, 2010 in Miami. Mr. Karbe will discuss the company’s corporate strategy, development pipeline, financial results and financial outlook.

The event will be webcast and may be accessed in the Event Calendar page under Investors 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 biological expertise and integrated research and development capabilities to generate a pipeline of development compounds with significant therapeutic and commercial potential for the treatment of cancer and potentially other serious diseases. Currently, Exelixis’ broad product pipeline includes investigational compounds in phase 3, phase 2, and phase 1 clinical development. Exelixis has established strategic corporate alliances with major pharmaceutical and biotechnology companies, including Bristol-Myers Squibb Company, sanofi-aventis, GlaxoSmithKline, Genentech (a wholly owned member of the Roche Group), Pfizer Inc., and Daiichi-Sankyo. For more information, please visit the company’s web site at http://www.exelixis.com.

Exelixis and the Exelixis logo are registered U.S. trademarks.