Tuesday, Mar 2, 2004

Genentech Announces March 12 Webcast of Investment Community Meeting

South San Francisco, Calif. -- March 2, 2004 --

Genentech, Inc. (NYSE:DNA) invites investors, the media and the general public to listen to a live audio webcast of its investment community meeting in New York. The webcast will begin on Friday, March 12, 2004 at 8:00 a.m. Eastern Time. The meeting is expected to last approximately four and a half hours.

The webcast can be accessed on Genentech's web site at http://www.gene.com and will be archived and available for replay until 8:00 p.m. Eastern Time on March 26, 2004.

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.