Exhibit 99.1 News Release One Amgen Center Drive Thousand Oaks, CA 91320-1799 Telephone 805-447-1000 www.amgen.com AMGEN REPORTS FIRST QUARTER 2025 FINANCIAL RESULTS THOUSAND OAKS, Calif. (May 1, 2025) - Amgen (NASDAQ:AMGN) today announced financial results for the first quarter of 2025. "Demand for our products was strong globally in the first quarter. Ongoing new product launches and successful Phase 3 trial results for several products make us feel confident in our long-term growth prospects," said Rober ...