Gilead Sciences to Present at Citigroup's 2007 Global Healthcare Conference on Wednesday, May 23

Webcast Available Through Gilead Corporate Website

FOSTER CITY, Calif.--(BUSINESS WIRE)--May 15, 2007--Gilead Sciences, Inc. (Nasdaq:GILD) announced today that its corporate presentation will be webcast from Citigroup's 2007 Global Healthcare Conference, taking place May 22-24, 2007, in New York, New York. This webcast may be accessed via the company's corporate website at www.gilead.com.

John C. Martin, PhD, Gilead's President and Chief Executive Officer, will provide an overview of the company on Wednesday, May 23 at 9:30 a.m. Eastern Time.

To access the live webcast via the internet log on to www.gilead.com. Please connect to the company's website at least 15 minutes prior to the start of the presentation to ensure adequate time for any software download that may be necessary to listen to the webcast.

About Gilead

Gilead Sciences is a biopharmaceutical company that discovers, develops and commercializes innovative therapeutics in areas of unmet medical need. The company's mission is to advance the care of patients suffering from life-threatening diseases worldwide. Headquartered in Foster City, California, Gilead has operations in North America, Europe and Australia.

For more information on Gilead Sciences, please visit www.gilead.com or call the Gilead Public Affairs Department at 1-800-GILEAD-5 (1-800-445-3235).

CONTACT: Gilead Sciences, Inc. Susan Hubbard, 650-522-5715 (Investor Relations) SOURCE: Gilead Sciences, Inc.