0001306830-20-000163 4 1 20200731 20200804 20200804 Richardson Scott A 0001731988 4 34 001-32410 201073734 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_159657290739557.xml FORM 4 X0306 4 2020-07-31 0 0001306830 Celanese Corp CE 0001731988 Richardson Scott A C/O CELANESE CORPORATION 222 W LAS COLINAS BLVD., SUITE 900N IRVING TX 75039 0 1 0 0 EVP & CFO Common Stock 2020-07-31 4 G 0 520 0 D 36565.703 D Common Stock 546.74 I by 401(k) Plan /s/ Adam R. Santosuosso, Attorney-in-Fact for Scott A. Richardson 2020-08-04