Press Releases

August 29, 2007

Gilead Sciences to Present at Two Upcoming Investor Conferences

- Thomas Weisel Partners Healthcare Conference on September 5th -
- BioCentury Newsmakers in the Biotech Industry Conference on September 6th -
- Webcasts Available Through Gilead Corporate Website -

FOSTER CITY, Calif.--(BUSINESS WIRE)--Aug. 29, 2007--Gilead Sciences, Inc. (Nasdaq:GILD) announced today that the company will be webcasting its corporate presentation at two upcoming investor conferences: the Thomas Weisel Partners Healthcare Conference in Boston, Massachusetts, and the BioCentury Newsmakers in the Biotech Industry Conference in New York. These webcasts may be accessed via the company's corporate website at www.gilead.com.

Kevin Young, Gilead's Executive Vice President of Commercial Operations, will provide an overview of the company and an update on key business milestones at the Thomas Weisel Partners conference on Wednesday, September 5 at 1:30 p.m. Eastern Time and at the BioCentury conference on Thursday, September 6 at 11:30 a.m. Eastern Time.

To access the live webcasts via the internet log on to www.gilead.com. Please connect to the company's website at least 15 minutes prior to each live 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.
Patrick O'Brien, 650-522-1936 (Investor Relations)
SOURCE: Gilead Sciences, Inc.