FOR IMMEDIATE RELEASE

THOUSAND OAKS, Calif. - February 19, 2003 - Amgen (Nasdaq: AMGN) today announced that on Tuesday, February 25, 2003 at 8:30 AM (PST), Amgen will be broadcasting live audio over the Internet of its periodic Business Review meeting with the investment community from Los Angeles. This broadcast will also be available to media, investors and the general public. The meeting is expected to last approximately four hours.

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 one week 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.