AMGN: Leadership change

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Retirement of Peter H. Griffith, Chief Financial Officer On May 19, 2026, Amgen Inc. (the “Company”) publicly announced that Peter H. Griffith will retire from the role of the Company’s Executive Vice President and Chief Financial Officer, effective August 31, 2026. In connection with the transition of his role, Mr. Griffith will remain employed as an Executive Vice President, a non-executive officer position from September 1, 2026 until January 31, 2027. Mr. Griffith is currently retirement eligible under the Company’s plans and policies, and thus upon his departure in January 2027 will receive the retirement benefits provided by the Company’s plans and policies, described in the Company’s filings, including the Company’s proxy statement. Appointment of Thomas Dittrich, Executive Vice President and Chief Financial Officer In connection with Mr. Griffith’s retirement, on May 19, 2026, the Board of Directors approved hiring Thomas Dittrich, age 62, to serve as Executive Vice President, a non-executive officer position, effective July 1, 2026 through August 31, 2026. Effective September 1, 2026, he will serve as Executive Vice President and Chief Financial Officer of the Company. Mr. Dittrich will report to Robert A. Bradway, Chairman and Chief Executive Officer. Mr. Dittrich will initially be based in Rotkreuz, Switzerland and will be employed by Amgen (Europe) GmbH pursuant to an Employment Offer Agreement with Amgen (Europe) GmbH dated May 16, 2026. Mr. Dittrich is expected to relocate to Thousand Oaks, California in connection with his transition to Chief Financial Officer in September 2026. The Employment Offer A