Sec Form 4 Filing - MADDEN DOUG @ Celanese CORP - 2012-02-03

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person MADDEN DOUG 2. Issuer Name and Ticker or Trading Symbol Celanese CORP [ CE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Operating Officer (Last) (First) (Middle) C/O CELANESE CORPORATION, 1601 W. LBJ FREEWAY 3. Date of Earliest Transaction (MM/DD/YY) 02/03/2012 (Street) DALLAS, TX75234 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Series A Common Stock 02/03/2012 M 100,000 A $ 16 273,818 D Series A Common Stock 02/03/2012 S 100,000 D $ 51.45 ( 1 ) 173,818 D Series A Common Stock 552.18 ( 2 ) I By 401(k) Plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Non-Qualified Stock Option (right to buy) $ 16 02/03/2012 M 71,711 ( 3 ) 01/21/2015 Series A Common Stock 71,711 $ 0 0 D Non-Qualified Stock Option (right to buy) $ 16 02/03/2012 M 28,289 ( 4 ) 01/21/2015 Series A Common Stock 28,289 $ 0 56,775 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other MADDEN DOUG C/O CELANESE CORPORATION 1601 W. LBJ FREEWAY DALLAS, TX75234 Chief Operating Officer Signatures /s/James R. Peacock III, Attorney-in-fact for Doug Madden 02/07/2012 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The reported price in this line is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $51.10 to $51.92. The reporting person will provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares sold at each price within the range. ( 2 )Represents equivalent shares of Series A Common Stock held by the reporting person under the Celanese Americas Retirement Savings Plan as of January 31, 2012. ( 3 )Granted pursuant to the Company's 2004 Stock Incentive Plan. The options vested, with respect to 15% of the options on January 21, 2005, with respect to 20% on each of December 31, 2005, December 31, 2006, December 31, 2007 and December 31, 2008 and with respect to 5% on March 31, 2009. ( 4 )Granted pursuant to the Company's 2004 Stock Incentive Plan. The options vested, with respect to 15% of the options on January 21, 2005, with respect to 30% on each of December 31, 2005 and December 31, 2006, with repect to 15% on December 31, 2007 and with repect to 10% on December 31, 2008.

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* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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