Gilead Sciences to Release First Quarter 2002 Financial Results On Tuesday, April 30, 2002; Conference Call and Webcast to Follow

To access the live call or the seven-day archive via the internet, log on to www.gilead.com. Please connect to the company's website at least 15 minutes prior to the conference call to ensure adequate time for any software download that may be needed to view the webcast. Alternatively, please call 877/356-5659 (U.S.) or 706/634-2143 (international). Telephone replay is available approximately two hours after the call through 8:00 p.m. EST, May 3, 2002. To access, please call 800/642-1687 (U.S.) or 706/645-9291 (international). The conference ID number is 3624046.

Gilead Sciences is a biopharmaceutical company that discovers, develops and commercializes therapeutics to advance the care of patients suffering from life-threatening diseases worldwide. The company has five marketed products and focuses its research and clinical programs on anti-infectives, including antivirals, antifungals and antibacterials. Headquartered in Foster City, Calif., Gilead has operations in the United States, Europe and Australia.

For more information on Gilead Sciences, please visit the company's web site at www.gilead.com or call the Gilead Corporate Communications Department at 1-800-GILEAD-5 (1-800-445-3235).

CONTACT:          Gilead Sciences
                  Susan Hubbard, 650/522-5715 (Investor Relations)

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