Lantheus to Acquire Evergreen Theragnostics for Upfront Payment of $250 Million to Drive Strategic Evolution into Fully Integrated Radiopharmaceutical Leader

Lantheus Holdings, Inc. (“Lantheus” or the “Company”) (NASDAQ: LNTH), the leading radiopharmaceutical-focused company committed to enabling clinicians to Find, Fight and Follow disease to deliver better patient outcomes, today announced a definitive agreement to acquire Evergreen Theragnostics, Inc. (“Evergreen”), in an all-cash transaction consisting of an upfront payment of $250 million and up to an additional $752.5 million in potential milestone payments.