X0306 4 2020-05-05 0000318154 AMGEN INC AMGN 0001798821 Griffith Peter H. ONE AMGEN CENTER DRIVE THOUSAND OAKS CA 91320 1 EVP & CFO Common Stock 2020-05-05 4 A 0 3384 0 A 21990 D Nqso (Right to Buy) 236.36 2020-05-05 4 A 0 28341 0 A 2022-05-05 2030-05-05 Common Stock 28341 28341 D The Restricted Stock Units (RSUs) were granted pursuant to the Amgen Inc. 2009 Amended and Restated Equity Incentive Plan and vest in three annual installments of 33%, 33% and 34% on 5/5/2022, 5/5/2023 and 5/5/2024, respectively. These shares include the following RSUs granted under the Company's equity plans: 18,352 RSUs which vest in two installments of 6,056 on each of 11/1/2021 and 11/1/2022 and one installment of 6,240 on 11/1/2023; and 3,384 RSUs which vest in installments of 1,116 on 5/5/2022, 1,117 on 5/5/2023 and 1,151 on 5/5/2024. Vested RSUs will be paid in shares of the Company's common stock on a one-to-one basis. These shares include 254 Dividend Equivalents (DEs) granted pursuant to the Amgen Inc. Amended and Restated 2009 Equity Incentive Plan and subject to a qualifying dividend reinvestment plan. DEs are credited on the reporting person's unvested RSUs and are paid out in shares of the Company's common stock on a one-to-one basis according to the vesting schedule, along with a cash payment for any remaining fractional amount. These non-qualified stock options are exercisable in three installments of 33%, 33% and 34% on 5/5/2022, 5/5/2023 and 5/5/2024, respectively. /s/ Andrea A. Robinson, attorney-in-fact for Mr. Griffith 2020-05-07