X0206 3 2024-03-05 1 0001520262 Alkermes plc. ALKS 0001450485 Lurker Nancy CONNAUGHT HOUSE 1 BURLINGTON ROAD DUBLIN 4 Ireland 1 EXHIBIT LIST: Exhibit 24.1 - Power of Attorney /s/ Jeffrey Geary, attorney-in-fact for Nancy Lurker 2024-03-15