X0306 4 2020-04-13 0000318154 AMGEN INC AMGN 0001396482 Bradway Robert A ONE AMGEN CENTER DRIVE THOUSAND OAKS CA 91320-1799 1 1 Chairman, CEO and President Common Stock 2020-04-13 4 M 0 43000 58.43 A 540027 D Common Stock 2020-04-13 4 F 0 28511 218.21 D 511516 D Common Stock 2020-04-13 4 M 0 84000 58.43 A 595516 D Common Stock 2020-04-13 4 F 0 55695 218.21 D 539821 D Nqso (Right to Buy) 58.43 2020-04-13 4 M 0 43000 0 D 2011-04-26 2020-04-26 Common Stock 43000 0 D Nqso (Right to Buy) 58.43 2020-04-13 4 M 0 84000 0 D 2011-04-26 2020-04-26 Common Stock 84000 0 D Non-market exercise of a total of 127,000 stock options expiring April 26, 2020 wherein 84,206 shares, in the aggregate, issuable pursuant to the exercise of these options were withheld by the Company to cover the option exercise price and tax withholding, with the remaining shares delivered to the reporting person. These shares include the following Restricted Stock Units (RSUs) granted under the Company's equity plans: 4,784 RSUs which vest on 5/3/2020; 9,890 RSUs which vest in installments of 4,871 on 5/1/2020 and 5,019 on 5/1/2021; 14,087 RSUs which vest in installments of 4,648 on 4/27/2020, 4,649 on 4/27/2021 and 4,790 on 4/27/2022; and 15,791 RSUs which vest in two installments of 5,211 on 5/3/2021 and 5/3/2022 and one installment of 5,369 on 5/3/2023. Vested RSUs will be paid in shares of the Company's common stock on a one-to-one basis. These shares include 2,730 Dividend Equivalents (DEs) granted pursuant to the Amgen Inc. 2009 Amended and Restated 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 share amount. /s/ Robert A. Bradway 2020-04-13