2008-05-15 23:38:55 -

www.alkermes.com - Alkermes, Inc. Debra Koufos, 617-583-6220 Associate, Corporate Communications Alkermes, Inc. (NASDAQ: ALKS) will host a conference call at 4:30 p.m. EDT on Thursday, May 22, 2008 to discuss the company's financial results for the fiscal year ended March 31, 2008. Management will review the results and provide financial expectations for fiscal year 2009.

The

conference call will be webcast live on the investor relations section of Alkermes' website, www.alkermes.com or may be accessed by dialing 1-866-847-7861 for domestic callers and 1-703-639-1428 for international callers. The conference call ID number is 1237335.

A replay of the conference call will be available from 7:30 p.m. EDT on Thursday, May 22, 2008 through 5:00 p.m. EDT on Wednesday, May 28, 2008, and may be accessed by visiting Alkermes' website or by dialing 1-888-266-2081 for domestic callers and 1-703-925-2533 for international callers. The replay access code is 1237335. Alkermes is also providing a podcast MP3 file available for download on the Alkermes website, which will be available shortly following the conference call and will be available until Wednesday, May 28, 2008.

About Alkermes

Alkermes, Inc., a biotechnology company committed to developing innovative medicines to improve patients' lives, manufactures RISPERDAL(R) CONSTA(R) for schizophrenia and developed and manufactures VIVITROL(R) for alcohol dependence. Alkermes' robust pipeline includes extended-release injectable, pulmonary and oral products for the treatment of prevalent, chronic diseases, such as central nervous system disorders, addiction and diabetes. Headquartered in Cambridge, Massachusetts, Alkermes has research and manufacturing facilities in Massachusetts and Ohio.

-- Podcast to be Available Following Conference Call --