Tuesday, May 5, 1998

Genentech Names Dennis Henner and Stephen Juelsgaard to Senior Vice Presidents

South San Francisco, Calif. -- May 5, 1998 --

Genentech, Inc. (NYSE:GNE) today announced the promotion of Dennis J. Henner, Ph.D. to senior vice president of Research and Stephen Juelsgaard to senior vice president, general counsel and secretary.

" These appointments acknowledge the key roles that both these individuals play in the success of Genentech as well as their significant contributions and high level of expertise and experience," said Arthur D. Levinson, Ph.D., Genentech's president and chief executive officer.

Henner, 47, who has been with Genentech for over 16 years, previously served as vice president of Research and has headed Genentech's research effort since 1996. He holds a doctorate in microbiology and has an expertise in molecular biology as well as a broad base of knowledge in the many disciplines of biotechnology and pharmaceutical research. Prior to Genentech, Henner was at Scripps Clinic and Research Foundation.

Juelsgaard, 49, has been with Genentech for 13 years and was most recently vice president, general counsel and secretary. Prior to Genentech, Juelsgaard was an associate at the law firm of Wilson, Sonsini, Goodrich and Roasati. He holds a law degree from Stanford Law School as well as a doctorate of veterinary medicine and a master's of science.

Genentech, Inc. is a leading biotechnology company that discovers, develops, manufactures and markets human pharmaceuticals for significant unmet medical needs. Eleven of the currently marketed biotechnology products stem from Genentech science, seven of which Genentech markets directly in the United States. The company has headquarters in South San Francisco, California, and is traded on the New York Stock Exchange and the Pacific Exchange under the symbol GNE.

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