Alkermes(ALKS) - 2025 Q1 - Quarterly Results

Exhibit 99.1 Alkermes Contacts: For Investors: Sandy Coombs +1 781 609 6377 For Media: Katie Joyce +1 781 249 8927 Alkermes plc Reports First Quarter 2025 Financial Results — First Quarter Revenues of $306.5 Million — — GAAP Net Income of$22.5 Million and Diluted GAAP Earnings per Share of $0.13 — — Company Reiterates 2025 Financial Expectations — DUBLIN, May 1, 2025 — Alkermes plc (Nasdaq: ALKS) today reported financial results for the first quarter of 2025. "Our first quarter financial performance provid ...