Amgen Names Additional Board Member.

THOUSAND OAKS, Calif.--(BUSINESS WIRE)--Aug. 25, 1998--Amgen (Nasdaq:AMGN) Tuesday announced that it has named Jerry D. Choate to its board of directors.

He is the chairman of the board and chief executive officer of The Allstate Corp. and Allstate Insurance Co.

Prior to becoming chairman of Allstate in 1995, Choate, 59, served as president and chief executive officer beginning in 1994. Choate began his Allstate career in 1962.

Choate also serves on the boards of the Insurance Institute for Highway Safety, the Insurance Information Institute, and Catalyst (a nonprofit organization that works to advance women in business). He is on the board of directors of America's Promise-The Alliance for Youth and chairs its corporate advisory board.

Choate is also a member of the advisory board of J.L. Kellogg Graduate School of Management at Northwestern University in Chicago.

"I'm confident that Jerry will make a major contribution to Amgen and its board of directors," said Gordon Binder, chairman and chief executive officer.

Choate earned a bachelor of science degree in industrial management from San Jose State University.

Amgen is a global biotechnology company that discovers, develops, manufactures and markets cost-effective human therapeutics based on advances in cellular and molecular biology.

NOTE TO EDITORS: An electronic version of this news release may be accessed via the company's Web site at www.Amgen.com. Visit the Corporate Center and click on Amgen News. Journalists and media representatives may sign up to receive all news releases electronically at time of announcement by filling out a short form in the Amgen News section of the Web site.

    CONTACT: Amgen, Thousand Oaks
              David Kaye, 805/447-6692 (media)
              Denise Powell, 805/447-4346 (investors)