X0202 3/A 2006-09-21 2006-09-28 0 0000874663 ALKERMES INC ALKS 0001376548 Ehrich Elliot 88 SIDNEY ST CAMBRIDGE MA 02139 0 1 0 0 VP, Science and Development Common Stock 13365 D Mr. Ehrich became a Section 16 Reporting Officer on 9/21/2006. On 9/28/2006, he filed a Form 3, reporting his derivative and non-derivative holdings. At the time of the original filing, Mr Ehrich underreported the amount of shares benficially owned. Mr. Ehrich beneficially owned 13,365 shares of ALKS stock and not the 10,805 shares of ALKS as originally reported. John P. Gaspar, Attorney-in-Fact for Elliot Ehrich 2006-11-14