Exhibit 99.1 Immunome Reports First Quarter 2025 Financial Results and Provides Business Update 5/12/2025 BOTHELL, Wash. – Immunome, Inc. (Nasdaq: IMNM), a biotechnology company focused on developing first-in-class and best-in- class targeted cancer therapies, today announced financial results for the quarter ended March 31, 2025 and provided a business update. "Immunome continued to build momentum in the first quarter of 2025," said Clay B. Siegall, Ph.D., President and Chief Executive Officer. "We remain ...