Exhibit 99.6

                          CONSENT OF EDWARD V. FRITZKY

     I hereby consent to being named as a person who will become a director of
Amgen Inc., a Delaware corporation ("Amgen"), effective upon the consummation of
the merger (the "Merger") contemplated by the Agreement and Plan of Merger,
dated December 16, 2001, by and among, Amgen, AMS Acquisition Inc., a Washington
corporation and a wholly-owned subsidiary of Amgen, and Immunex Corporation, a
Washington corporation, in the Registration Statement on Form S-4 to be filed by
Amgen with the Securities and Exchange Commission in connection with the Merger
(the "Registration Statement") and to the filing of this consent as an exhibit
to the Registration Statement.

Signature:  /s/ Edward V. Fritzky
            ----------------------------
                Edward V. Fritzky

Date: January 22, 2002