0001306830-20-000151 4 1 20200722 20200723 20200723 Brown William M 0001350633 4 34 001-32410 201043764 HARRIS CORPORATION 1025 W NASA BOULEVARD MELBOURNE FL 32919 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_159553500925165.xml FORM 4 FORM 4 OMB APPROVAL [ ] 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 Brown William M 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 7/22/2020 below) _____ Other (specify below) (Street) 4. If Amendment, Date 6. Individual or IRVING, TX 75039 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. 2A. 3. Trans. 4. Securities 5. Amount of 6. Ownership 7. Nature of (Instr. 3) Trans. Deemed Code Acquired (A) or Securities Form: Direct Indirect Date Execution (Instr. 8) Disposed of (D) Beneficially (D) or Beneficial Date, if (Instr. 3, 4 and Owned Indirect (I) Ownership any 5) Following (Instr. 4) (Instr. 4) Reported Transaction(s) (Instr. 3 and 4) (A) or Code V Amount (D) Price 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 Conversion Deemed Code Securities Acquired (A) or and Expiration Date Securities Underlying of derivative Ownership of Security or Execution (Instr. 8) Disposed of (D) Derivative Security Derivative Securities Form of Indirect (Instr. 3) 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 Phantom Stock (1) 7/22/2020 A 70.06 (2) (3) (3) Common 70.06 $93.67 7295.547 D Stock Explanation of Responses: (1) Each share of phantom stock represents the right to receive the cash value of one share of Common Stock. (2) The reported phantom stock represents a portion of the person's quarterly cash retainer for service as a director which has been deferred under the Company's 2008 Deferred Compensation Plan (the "Plan"). (3) As provided in the Plan, the reporting person may transfer a portion of the phantom stock account into an alternative investment account at any time, and on the earlier of the date previously elected by the reporting person to receive a payment or the termination of the reporting person's service as a director of the Company, the shares of phantom stock become payable in either cash or shares of Common Stock. Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Brown William M C/O CELANESE CORPORATION X 222 W LAS COLINAS BLVD, SUITE 900N IRVING, TX 75039 Signatures Adam R. Santosuosso, Attorney-in-Fact for William M. Brown 7/23/2020 ** 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.