Wednesday, Mar 10, 2004

Genentech Announces April 7 Webcast Discussion of Earnings and Other Business Results

South San Francisco, Calif. -- March 10, 2004 --

Genentech, Inc. (NYSE: DNA) will announce its 2004 1st quarter earnings on Wednesday, April 7, 2004, after the markets close.

The announcement will be followed by a live webcast at 2:15 p.m. Pacific Time of a discussion by Genentech management of the earnings and other business results. The webcast can be accessed on Genentech's web site at http://www.gene.com and will be archived and available for replay until 5:00 p.m. Pacific Time on April 21, 2004.

An audio replay of the webcast will be available beginning at 5:15 p.m. Pacific Time on April 7, 2004 through 5:15 p.m. Pacific Time on April 14, 2004. Access numbers for this replay are: 1-800-642-1687 (U.S./Canada) and 1-706-645-9291 (international); Conference ID number is 5846158.

About Genentech
Genentech is a leading biotechnology company that discovers, develops, manufactures and commercializes biotherapeutics for significant unmet medical needs. Eighteen of the currently approved biotechnology products originated from or are based on Genentech science. Genentech manufactures and commercializes 13 biotechnology products 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. For additional information about the company, please visit http://www.gene.com.