Amgen Announces Webcast Of Conference Call To Provide Financial Guidance For 2003

FOR IMMEDIATE RELEASE

THOUSAND OAKS, Calif., December 4, 2002 -- Amgen Inc. (NASDAQ:AMGN) today announced that it would provide financial guidance for 2003 on a conference call with the investment community on Thursday, December 12, 2002, at 5:30 AM PST.

Participating in the call from Amgen will be Kevin Sharer, Chairman, CEO and President, and other members of Amgen's senior management.

Live audio of the conference call will be simultaneously broadcast over the Internet and will be available to members of the news media, investors and the general public. The conference call is expected to last approximately 30 minutes.

This event can be accessed by going to Amgen's website, www.amgen.com, and clicking on Investor Center, then on Amgen Events. The event will be archived and available for replay for 72 hours after the event.

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

Contact: Amgen, Thousand Oaks
Jeff Richardson, 805/447-3227 (media)
Cary Rosansky, 805/447-4634 (investors)

EDITOR'S NOTES: An electronic version of this news release may be accessed via our web site at http://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.