Thomas Weisel Partners Healthcare Tailwinds 2006 BioCentury Newsmakers in the Biotech Industry FOSTER CITY, Calif.--(BUSINESS WIRE)--Sept. 1, 2006--Gilead Sciences, Inc. (Nasdaq:GILD) -- Thomas Weisel Partners Healthcare Tailwinds 2006 Conference on September 6th -- BioCentury Newsmakers in the Biotech Industry Conference on September 7th -- Webcasts Available Through Gilead Corporate Website Gilead Sciences, Inc. (Nasdaq:GILD) announced today that it will be webcasting at two upcoming investor conferences: the Thomas Weisel Partners Healthcare Tailwinds 2006 Conference, in Boston, Massachusetts, and the BioCentury Newsmakers in the Biotech Industry Conference in New York, New York. These webcasts may be accessed via the company’s corporate website at www.gilead.com.