0001315745-05-000001 3 1 20050125 20050127 20050127 Celanese CORP 0001306830 2810 980420726 DE 1231 1601 W. LBJ FREEWAY DALLAS TX 75234 972-443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 Blackstone Crystal Holdings Capital Partners (Cayman) IV Ltd. 20041022 Blackstone Management Partners IV L.L.C. 0001315745 DE 1231 3 34 001-32410 05555239 345 PARK AVENUE NEW YORK NY 10154 (212) 583-5000 345 PARK AVENUE NEW YORK NY 10154 3 1 primary_doc.xml PRIMARY DOCUMENT FORM 3 OMB APPROVAL UNITED STATES SECURITIES AND EXCHANGE COMMISSION OMB Number: Washington, D.C. 20549 3235-0104 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF Estimated SECURITIES average burden hours per response... 0.5 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 1. Name and Address of Reporting 2. Date of Event 3. Issuer Name and Ticker or Trading Person * Requiring Symbol Blackstone Management Partners IV Statement Celanese CORP [CE] L.L.C. (MM/DD/YYYY) 1/25/2005 (Last) (First) (Middle) 4. Relationship of Reporting Person(s) to Issuer (Check 345 PARK AVENUE all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) ___X___ Other (specify below) / Adviser to the Issuer (Street) 5. If Amendment, 6. Individual or Joint/Group NEW YORK, NY 10154 Date Original Filing(Check Applicable Line) (City) (State) (Zip) Filed(MM/DD/YYYY) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person Table I - Non-Derivative Securities Beneficially Owned 1.Title of Security 2. Amount of 3. 4. Nature of Indirect (Instr. 4) Securities Ownership Beneficial Ownership Beneficially Form: (Instr. 5) Owned Direct (Instr. 4) (D) or Indirect (I) (Instr. 5) Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) 1. Title of Derivate 2. Date Exercisable 3. Title and 4. 5. 6. Nature of Security and Expiration Date Amount of Conversion Ownership Indirect (Instr. 4) (MM/DD/YYYY) Securities or Form of Beneficial Underlying Exercise Derivative Ownership Derivative Price of Security: (Instr. 5) Security Derivative Direct (D) (Instr. 4) Security or Indirect (I) Date Expiration Title Amount (Instr. 5) Exercisable Date or Number of Shares Non-Qualified Stock Series A Option (right to buy) (1) 1/25/2015 Common 123110 $16 D (2) Stock Explanation of Responses: (1) Granted pursuant to the Issuer's 2004 Stock Incentive Plan. The options vest with respect to 25% of the option shares on January 25, 2005, and subject to the continued service of Messrs. Chinh E. Chu, Benjamin J. Jenkins, Anjan Mukherjee, Hanns Ostmeier and James A. Quella as directors of the Issuer, with respect to 25% on each of December 31, 2005, December 31, 2006 and December 31, 2007. (2) All rights to the non-qualified stock options have been issued to the Reporting Person in connection with the services of Messrs. Chinh E. Chu, Benjamin J. Jenkins, Anjan Mukherjee, Hanns Ostmeier and James A. Quella as directors of the Issuer. Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Blackstone Management Partners IV L.L.C. Adviser to the 345 PARK AVENUE Issuer NEW YORK, NY 10154 Signatures /s/ Peter G. Peterson, Founding Member 1/27/2005 ** Signature of Reporting Person Date /s/ Stephen A. Schwarzman, Founding Member 1/27/2005 ** Signature of Reporting Person Date Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Instruction 5(b)(v). ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.