1. THE COMPANY

Alkermes plc is a global biopharmaceutical company that seeks to develop innovative medicines in the field of neuroscience. Alkermes has a portfolio of proprietary commercial products for the treatment of alcohol dependence, opioid dependence, schizophrenia, bipolar I disorder and narcolepsy, and a pipeline of clinical and preclinical candidates in development for neurological disorders, including late-stage candidates in narcolepsy and idiopathic hypersomnia, and early-stage candidates in ADHD and fatigue associated with multiple sclerosis and Parkinson’s disease. Headquartered in Ireland, Alkermes also has a corporate office and research and development (“R&D”) center in Massachusetts and a manufacturing facility in Ohio.

On February 12, 2026 (the “Closing Date”), the Company completed the acquisition of Avadel Pharmaceuticals plc (now operating as Avadel Pharmaceuticals Limited) (“Avadel”), pursuant to the definitive transaction agreement entered into in October 2025 and subsequently amended in November 2025 (the “Transaction Agreement”), adding both LUMRYZ to the Company’s portfolio of proprietary commercial products and a commercial organization with experience in narcolepsy. Pursuant to the Transaction Agreement, the Company acquired the entire issued and to be issued ordinary share capital of Avadel for consideration of (i) $21.00 per ordinary share, nominal value $0.01 per share, of Avadel (each, an “Avadel Share”), payable in cash at closing and (ii) a non-transferable contingent value right (the “CVR”) entitling holders of Avadel Shares to a potential additional cash payment of $1.50 per Avadel Share, contingent upon achievement of a certain specified milestone (the “Avadel Acquisition”).