0001306830-20-000149 4 1 20200703 20200707 20200707 Elliott Todd L 0001774181 4 34 001-32410 201016249 C/O CELANESE CORPORATION 222 W LAS COLINAS BLVD, SUITE 900N IRVING TX 75039 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_159415293058972.xml FORM 4 X0306 4 2020-07-03 1 0001306830 Celanese Corp CE 0001774181 Elliott Todd L C/O CELANESE CORPORATION 222 W LAS COLINAS BLVD, STE 900N IRVING TX 75039 0 1 0 0 SVP, Acetyl Chain Common Stock 2020-07-03 4 D 0 781 0 D 39555.61 D Common Stock 1443.12 I by 401(k) Plan Represents unvested restricted stock units forfeited in connection with reporting person's retirement from the Company. The reporting person resigned as the Company's Senior Vice President, Acetyl Chain effective July 3, 2020. As a result, the reporting person is no longer subject to Section 16 in connection with his transactions in the Company's equity securities and therefore will no longer report any such transactions on Form 4 or Form 5. /s/ James R. Peacock III, Attorney-in-Fact for Todd L. Elliott 2020-07-07