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 OF SECURITIES
                                                                                  
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OMB Number: 3235-0287
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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 Person * BLACKWELL JEAN S 2. Issuer Name and Ticker or Trading Symbol Celanese Corp [ CE ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)__X__ Director                    _____ 10% Owner
_____ Officer (give title below)    _____ Other (specify below)
(Last)         (First)         (Middle)
C/O CELANESE CORPORATION, 222 W. LAS COLINAS BLVD., SUITE 900N
3. Date of Earliest Transaction (MM/DD/YYYY)
11/15/2021
(Street)
IRVING, TX 75039
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check 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
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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
Phantom Stock   (1) 11/15/2021    A     34.888       (2)  (2) Common Stock  34.888  $167.42  8624.544  D   

Explanation of Responses:
(1)  Each share of phantom stock represents the right to receive one share of Common Stock or the cash value of one share of Common Stock.
(2)  The reported phantom stock represents dividend equivalents on cash compensation and restricted stock units deferred under the Company's 2008 Deferred Compensation Plan (the "Plan"). As provided by the Plan, the reporting person may transfer a portion of the phantom stock account into an alternative investment account at any time. The shares of phantom stock become payable in cash or shares of Common Stock, subject to certain conditions and as provided in the Plan, on the earlier of the date previously elected by the reporting person to receive payment or upon termination of the reporting person's service as a director of the Company.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
BLACKWELL JEAN S
C/O CELANESE CORPORATION
222 W. LAS COLINAS BLVD., SUITE 900N
IRVING, TX 75039
X



Signatures
/s/ Adam R. Santosuosso, Attorney-in-Fact for Jean S. Blackwell 11/16/2021
**Signature of Reporting Person Date
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