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EXHIBIT 1
Consent of Ernst & Young LLP, Independent Auditors
We consent to the incorporation by reference in the Registration Statement (Form
S-8 No. 33-47605) pertaining to The Retirement and Savings Plan for Amgen Puerto
Rico, Inc. of our report dated April 28, 2000, with respect to the financial
statements and supplemental schedule of The Retirement and Savings Plan for
Amgen Puerto Rico, Inc. included in this Annual Report (Form 11-K) for the year
ended December 31, 1999.
/s/ Ernst & Young LLP
San Juan, Puerto Rico
June 16, 2000
