0001306830-24-000110 4 1 20240512 20240514 20240514 Kissire Deborah J. 0001648794 4 34 001-32410 24945804 210 E. EARLL DRIVE PHOENIX AZ 85012 Celanese Corp 0001306830 2820 08 Industrial Applications and Services 980420726 DE 1231 222 W. LAS COLINAS BLVD., SUITE 900N IRVING TX 75039-5421 972-443-4000 222 W. LAS COLINAS BLVD., SUITE 900N IRVING TX 75039-5421 Celanese CORP 20041102 Blackstone Crystal Holdings Capital Partners (Cayman) IV Ltd. 20041022 4 1 wk-form4_1715721589.xml FORM 4 FORM 4 OMB APPROVAL ? Check this box OMB Number: if no longer 3235-0287 subject to Estimated Section 16. Form average burden 4 or Form 5 hours per obligations may response... 0.5 continue. See Instruction 1(b). ? Check this box UNITED STATES SECURITIES AND EXCHANGE COMMISSION to indicate that Washington, D.C. 20549 a transaction STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF was made SECURITIES pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. 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 Kissire Deborah J. Celanese Corp [ CE ] Issuer (Check all applicable) __X__ Director _____ (Last) (First) (Middle) 3. Date of Earliest 10% Owner C/O CELANESE CORPORATION, 222 W Transaction (MM/DD/YYYY) _____ Officer (give title LAS COLINAS BLVD, SUITE 900N 5/12/2024 below) _____ Other (specify below) (Street) 4. If Amendment, Date 6. Individual or IRVING, TX 75039 Original Filed Joint/Group Filing (Check (MM/DD/YYYY) Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More (City) (State) (Zip) 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 5. Amount of 6. Ownership 7. Nature of (Instr. 3) Deemed Code Acquired (A) or Securities Form: Direct Indirect Execution (Instr. 8) Disposed of (D) Beneficially (D) or Indirect Beneficial Date, if (Instr. 3, 4 and 5) Owned Following (I) (Instr. 4) Ownership any Reported (Instr. 4) Transaction(s) (A) (Instr. 3 and or 4) Code V Amount (D) Price Common Stock 5/12/2024 D 1,777 D (1) 100 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 6. Date Exercisable 7. Title and Amount of 8. Price 9. Number of 10. 11. Nature Derivate Conversion Deemed Code Derivative and Expiration Date Securities Underlying of derivative Ownership of Security or Execution (Instr. 8) Securities Derivative Security Derivative Securities Form of Indirect (Instr. 3) Exercise Date, if Acquired (A) or (Instr. 3 and 4) Security Beneficially Derivative Beneficial Price of any Disposed of (D) (Instr. 5) Owned Security: Ownership Derivative (Instr. 3, 4 and Following Direct (D) (Instr. 4) Security 5) Reported or Transaction(s) Indirect Date Expiration Amount or (Instr. 4) (I) Exercisable Date Title Number of (Instr. 4) Code V (A) (D) Shares Phantom Stock (2) 5/12/2024 A 1,777 (3) (3) Common 1,777 $0 4,709.602 D Stock Phantom Stock (2) 5/13/2024 A 12.811 (4) (4) Common 12.811 $160.24 4,722.413 D Stock Explanation of Responses: (1) Upon vesting of 1,777 Restricted Stock Units granted to the reporting person on May 12, 2023, the reporting person deferred the receipt of 1,777 shares of Common Stock and received instead 1,777 shares of phantom stock pursuant to the Company's 2008 Deferred Compensation Plan (the "Plan"). As a result, the reporting person is reporting the disposition of 1,777 shares of Common Stock in exchange for an equal number of shares of phantom stock. (2) Each share of phantom stock represents the right to receive one share of Common Stock. (3) As provided in the Plan, the reported phantom stock becomes payable in shares of Common Stock upon termination of the reporting person's service as a director of the Company subject to certain restrictions and limitations. (4) The reported phantom stock represents dividend equivalents on compensation deferred under the Plan. The shares of phantom stock become payable in shares of Common Stock, as provided in the Plan, following the 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 Kissire Deborah J. C/O CELANESE CORPORATION X 222 W LAS COLINAS BLVD, SUITE 900N IRVING, TX 75039 Signatures /s/ Adam R. Santosuosso, Attorney-in-Fact for Deborah J. Kissire 5/14/2024 ** 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.