Adage capital partners gp llc - see footnotes investment history in Celanese corp

Filed on 2009-02-04 by Adage Capital Partners Gp Llc SEC CIK 1165408 Form 3

Accession 0000902664-09-000310.txt Sec File: edgar/data/1165408/0000902664-09-000310-index.htm

2009-02-02 Adage Capital Partners Gp Llc (CIK 1165408) through See Footnotes

Invested in Celanese Corp remaining shares owned 13588774

Series A Common Stock 00001 Par Value Common Stock Celanese Corp Ce

f1 the shares of common stock and preferred stock 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.