Adage capital partners gp llc - see fns investment history in Amag pharmaceuticals inc

Filed on 2009-03-06 by Adage Capital Partners Gp Llc SEC CIK 1165408 Form 3

Accession 0000902664-09-001093.txt Sec File: edgar/data/1165408/0000902664-09-001093-index.htm

2009-03-03 Adage Capital Partners Gp Llc (CIK 1165408) through See Fns

Invested in Amag Pharmaceuticals Inc remaining shares owned 1914123

Common Stock Par Value 01 Per Share Common Stock Amag Pharmaceuticals Inc Amag

f1 the shares of common stock and equity swaps to which this note relates are held directly by adage capital partners, l.p.,a delaware limited partnership (the "fund"). adage capital partners gp, l.l.c., a delaware limited liability company("acpgp"), serves as the general partner of the fund and as such has discretion over the portfolio securities beneficiallyowned by the fund. adage capital advisors, l.l.c., a delaware limited liability company ("aca"), is the managing member ofacpgp and directs acpgp's operations. robert atchinson and phillip gross are the managing members of acpgp and aca andgeneral partners of acp. acpgp, aca, robert atchinson and phillip gross disclaim beneficial ownership of the reportedsecurities except to the extent of their pecuniary interest therein.