Exhibit 99
 
Joint Filer Information


Name:
 
Elan Science Three Limited
Address:
Treasury Building, Lower Grand Canal Street,
Dublin 2,  Ireland
 
Designated Filer:
 
Elan Corporation, plc
Issuer & Ticker Symbol:
 
Alkermes plc (ALKS)
Date of Earliest
Transaction Required
to be Reported:
 
 
 
9/16/11
Signature:
/s/ William F. Daniel
Name:  William F. Daniel
Title:    Company Secretary
Elan Science Three Limited