Friday, Mar 7, 2003

Genentech Announces March 21 Webcast Discussion of Data Presented at the American Academy of Dermatology

South San Francisco, Calif. -- March 7, 2003 --

Genentech, Inc. (NYSE: DNA) invites investors, the media and the general public to listen to a webcast of a discussion of data presented at the American Academy of Dermatology (AAD) in San Francisco, CA. The webcast will begin at 3:00pm Pacific Time on March 21, 2003. The live webcast can be accessed by going to Genentech's website at http://www.gene.com and will be archived and available for replay until 6:00pm Pacific Time on March 28, 2003.

An audio replay of the webcast will be available beginning at 6:00pm Pacific Time on March 21, 2003 and ending at 6:00pm Pacific Time on March 28, 2003. Access telephone numbers for this replay are: 1-800-642-1687 (U.S./Canada) and 1-706-645-9291(international); passcode number is 8929785.

Genentech is a leading biotechnology company that discovers, develops, manufactures and commercializes biotherapeutics for significant unmet medical needs. Fifteen of the currently approved biotechnology products originated from or are based on Genentech science. Genentech manufactures and commercializes ten biotechnology products directly in the United States. The company has headquarters in South San Francisco, California and is traded on the New York Stock Exchange under the symbol DNA.