0001306830-23-000092 4 1 20230512 20230515 20230515 Murray Mark Christopher 0001800013 4 34 001-32410 23923122 100 MATSONFORD ROAD RADNOR PA 19087 Celanese Corp 0001306830 2820 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 wf-form4_168418262672980.xml FORM 4 FORM 4 OMB APPROVAL ? Check this box OMB Number: 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 Murray Mark Christopher Celanese Corp [ CE ] Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title (Last) (First) (Middle) 3. Date of Earliest below) _____ Other 222 W. LAS COLINAS BLVD, STE 900N Transaction (MM/DD/YYYY) (specify below) 5/12/2023 SVP - Acetyls (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 than One Reporting Person (City) (State) (Zip) Rule 10b5-1(c) Transaction Indication ? Check this box to indicate that a transaction was made 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. 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) or 5. Amount of 6. Ownership 7. Nature of (Instr. 3) Deemed Code Disposed of (D) Securities Form: Direct (D) Indirect Execution (Instr. 8) (Instr. 3, 4 and 5) Beneficially or Indirect (I) Beneficial Date, if Owned Following (Instr. 4) Ownership any Reported (Instr. 4) Transaction(s) (A) (Instr. 3 and 4) or Code V Amount (D) Price Common Stock 5/12/2023 P 1008 A $101.689 (1) 11597 D Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) 1. Title of 2. 3. 3A. 4. Trans. 5. Number of 6. Date Exercisable 7. Title and Amount of 8. Price 9. Number of 10. 11. Nature Derivate Conversion Trans. Deemed Code Derivative and Expiration Date Securities Underlying of derivative Ownership of Security or Date 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 Following Direct (D) (Instr. 4) Security and 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 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 $101.647 to $101.725. The reporting person will provide to Celanese Corporation (the "Company"), any security holder of the Company, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price. Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Murray Mark Christopher 222 W. LAS COLINAS BLVD SVP - Acetyls STE 900N IRVING, TX 75039 Signatures /s/ Michael R. Sullivan, Attorney-in-Fact for Mark Christopher Murray 5/15/2023 ** 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.