0001306830-22-000161 4 1 20220815 20220817 20220817 Fotheringham John G 0001808803 4 34 001-32410 221175382 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_166077151554111.xml FORM 4 X0306 4 2022-08-15 0 0001306830 Celanese Corp CE 0001808803 Fotheringham John G 222 W LAS COLINAS BLVD SUITE 900N IRVING TX 75039 0 1 0 0 SVP, Acetyl Chain Common Stock 2022-08-15 4 A 0 5932 0 A 27069.686 D Common Stock 2022-08-15 4 F 0 2863 116.11 D 24206.686 D Represents performance-based restricted stock units ("PRSUs") granted to the reporting person on February 10, 2021 under the Company's 2018 Global Incentive Plan which have vested and been settled. Shares withheld for the payment of taxes on the vesting and settlement of PRSUs. /s/ Adam R. Santosuosso, Attorney-in-Fact for John G. Fotheringham 2022-08-17