0001140361-12-019318 4 1 20120402 20120404 20120404 Weidman David N 0001314133 4 34 001-32410 12742854 1601 W. LBJ FREEWAY DALLAS TX 75234 Celanese CORP 0001306830 2820 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 4 1 doc1.xml FORM 4 FORM 4 OMB APPROVAL [X] Check this OMB Number: box if no longer UNITED STATES SECURITIES AND EXCHANGE COMMISSION 3235-0287 subject to Washington, D.C. 20549 Estimated Section 16. Form STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF average burden 4 or Form 5 SECURITIES hours per obligations may response... 0.5 continue. See Instruction 1(b). 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. Issuer Name and Ticker 5. Relationship of Person * or Trading Symbol Reporting Person(s) to Weidman David N Celanese CORP [ CE ] Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title (Last) (First) (Middle) 3. Date of Earliest below) _____ Other C/O CELANESE CORPORATION, 1601 W. Transaction (MM/DD/YYYY) (specify below) LBJ FREEWAY 4/2/2012 Chairman and CEO (Street) 4. If Amendment, Date 6. Individual or DALLAS, TX 75234 Original Filed Joint/Group Filing (Check (City) (State) (Zip) (MM/DD/YYYY) Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security 2. Trans. Date 2A. 3. Trans. 4. Securities Acquired (A) 5. Amount of 6. Ownership 7. Nature of (Instr. 3) Deemed Code or Disposed of (D) Securities Form: Direct Indirect Execution (Instr. 8) (Instr. 3, 4 and 5) Beneficially (D) or Indirect Beneficial Date, if Owned Following (I) (Instr. 4) Ownership any Reported (Instr. 4) Transaction(s) (A) (Instr. 3 and or 4) Code V Amount (D) Price Series A Common Stock 4/2/2012 D 2400 (1) D $0 174675 D Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) 1. Title of 2. 3. Trans. Date 3A. 4. Trans. 5. Number of Derivative 6. Date Exercisable 7. Title and Amount of 8. Price 9. Number of 10. 11. Nature Derivate Security Conversion Deemed Code Securities Acquired (A) or and Expiration Date Securities Underlying of derivative Ownership of (Instr. 3) or Execution (Instr. 8) Disposed of (D) Derivative Security Derivative Securities Form of Indirect Exercise Date, if (Instr. 3, 4 and 5) (Instr. 3 and 4) Security Beneficially Derivative Beneficial Price of any (Instr. 5) Owned Security: Ownership Derivative Following Direct (D) (Instr. 4) Security Reported or Transaction(s) Indirect Date Expiration Amount or (Instr. 4) (I) Exercisable Date Title Number of (Instr. 4) Code V (A) (D) Shares Non-Qualified Series A Stock Option $32.35 4/2/2012 D 23545 (2) (3) 10/1/2017 Common 23545 $0 44950 (3) D (right to buy) Stock Non-Qualified Series A Stock Option $32.51 4/2/2012 D 69391 (2) (4) 10/1/2018 Common 69391 $0 24437 (4) D (right to buy) Stock Explanation of Responses: (1) Represents unvested restricted stock units forfeited in connection with the reporting person's retirement from the Company. (2) Represents unvested stock options forfeited in connection with the reporting person's retirement from the Company. (3) In connection with the reporting person's retirement from the Company, the remaining stock options will vest as follows: 12,843 on October 1, 2012; 8,562 on October 1, 2013; and 6,422 on October 1, 2014. 17,123 options previously vested on October 1, 2011 in accordance with the award terms and remain outstanding. (4) In connection with the reporting person's retirement from the Company, the remaining stock options will vest as follows: 11,729 on October 1, 2012; 5,865 on October 1, 2013; 3,910 on October 1, 2014; and 2,933 on October 1, 2015. Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Weidman David N C/O CELANESE CORPORATION X Chairman and CEO 1601 W. LBJ FREEWAY DALLAS, TX 75234 Signatures /s/ James R. Peacock III, Attorney-in-fact for David N. Weidman 4/4/2012 ** 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 4(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.