Exelixis Announces June 5 Webcast of Conference Call Regarding Its $150 Million Funding Commitment from Deerfield Management

SOUTH SAN FRANCISCO, Calif., June 5 /PRNewswire-FirstCall/ -- Exelixis, Inc. (Nasdaq: EXEL) announced earlier today that it has received a $150.0 million funding commitment from Deerfield Management. The arrangement will be discussed by Exelixis management in a live conference call at 5:00 a.m. PT/8:00 a.m. ET today, Thursday, June 5. To listen to a webcast of the discussion, visit the Event Calendar page under Investors at http://www.exelixis.com.

A replay of the conference call will be available until 7:00 a.m. PT/10:00 a.m. ET on July 5, 2008. Access numbers for the replay are: 1-888-286-8010 (domestic) and 1-617-801-6888 (international), and the passcode is 33494166.

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, Genentech, Wyeth Pharmaceuticals and Daiichi-Sankyo. For more information, please visit the company's website at http://www.exelixis.com.

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