Listen to webcast

Important Additional Information and Where to Find It

The company intends to file a definitive proxy statement, accompanying proxy card and other relevant documents with the U.S. Securities and Exchange Commissions (the “SEC”) in connection with the solicitation of proxies for the company’s 2022 annual general meeting of shareholders. BEFORE MAKING ANY VOTING DECISION, SHAREHOLDERS OF THE COMPANY ARE URGED TO READ ALL RELEVANT DOCUMENTS FILED WITH OR FURNISHED TO THE SEC, INCLUDING THE COMPANY'S DEFINITIVE PROXY STATEMENT AND ANY AMENDMENTS AND SUPPLEMENTS THERETO, BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION. Investors and shareholders will be able to obtain a copy of the definitive proxy statement and other documents filed by the company with the SEC free of charge from the SEC’s website at www.sec.gov. In addition, copies will be available at no charge by visiting the “Investors” section of the company’s website at www.alkermes.com, as soon as reasonably practicable after such materials are filed with, or furnished to, the SEC.

Certain Information Regarding Participants in the Solicitation

The company, its directors and certain of its executive officers are considered participants in the solicitation of proxies from shareholders in respect of the company’s 2022 annual general meeting of shareholders. Information regarding the names of such participants and their respective interests in the company by security holdings or otherwise is set forth in the company’s Form 10-K for the year ended Dec. 31, 2020, filed with the SEC on Feb. 11, 2021; the company’s Form 10-K/A for the year ended Dec. 31, 2020, filed with the SEC on Apr. 29, 2021; the company’s definitive proxy statement for the company’s 2021 annual general meeting of shareholders, filed with the SEC on May 10, 2021; the company’s Current Reports on Form 8-K filed with the SEC from time to time; and in Initial Statements of Beneficial Ownership on Form 3 or Statements of Change in Ownership on Form 4 filed with the SEC from time to time. These documents can be obtained free of charge from the sources indicated above. Additional information regarding the direct and indirect interests of these participants, by security holdings or otherwise, will also be included in the definitive proxy statement for the company’s 2022 annual general meeting of shareholders and other relevant materials to be filed with the SEC, if and when they become available.