X0206 3 2023-08-14 0 0000318154 AMGEN INC AMGN 0001987926 Busch Matthew C. ONE AMGEN CENTER DRIVE THOUSAND OAKS CA 91320 1 VP, Finance & CAO Common Stock 4596 D Nqso (Right to Buy) 177.46 2020-04-27 2028-04-27 Common Stock 1257 D Nqso (Right to Buy) 177.31 2021-05-03 2029-05-03 Common Stock 1476 D Nqso (Right to Buy) 236.36 2022-05-05 2030-05-05 Common Stock 1558 D Nqso (Right to Buy) 239.64 2023-04-30 2031-04-30 Common Stock 1086 D Nqso (Right to Buy) 230.92 2024-05-02 2032-05-02 Common Stock 1753 D Nqso (Right to Buy) 235.97 2025-05-02 2033-05-02 Common Stock 2508 D These shares include the following Restricted Stock Units (RSUs) granted under the Company's equity plans: 64 RSUs which will vest on 5/5/2024; 84 RSUs which will vest in installments of 41 on 4/30/2024 and 43 on 4/30/2025; 175 RSUs which will vest on 11/5/2023; 1,496 RSUs which will vest in installments of 493 on 11/5/2023, 494 on 11/5/2024 and 509 on 11/5/2025; 214 RSUs which will vest in installments of 70 on 5/2/2024, 71 on 5/2/2025, and 73 on 5/2/2026; and 296 RSUs which will vest in installments of 97 on 5/2/2025, 98 on 5/2/2026 and 101 on 5/2/2027. Vested RSUs will be paid in shares of the Company's common stock on a one-to-one basis. These shares include 126 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. 1,257 of these non-qualified stock options have vested and are exercisable. 1,476 of these non-qualified stock options have vested and are exercisable. 1,028 of these non-qualified stock options have vested and 530 will vest and become exercisable on 5/5/2024. 358 of these non-qualified stock options have vested and the remaining options will vest and become exercisable in installments of 358 on 4/30/2024 and 370 on 4/30/2025. These non-qualified stock options will vest and become exercisable in two installments of 578 on 5/2/2024 and 5/2/2025 and one installment of 597 on 5/2/2026. These non-qualified stock options will vest and become exercisable in installments of 827 on 5/2/2025, 828 on 5/2/2026 and 853 on 5/2/2027. /s/ Matthew C. Busch 2023-08-21