0001306830-21-000223 4 1 20211129 20211130 20211130 Kelly Thomas Francis 0001684092 4 34 001-32410 211460374 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_163831045598931.xml FORM 4 X0306 4 2021-11-29 0 0001306830 Celanese Corp CE 0001684092 Kelly Thomas Francis 222 W LAS COLINAS BLVD SUITE 900N IRVING TX 75039 0 1 0 0 SVP, EM Common Stock 2021-11-29 4 G 0 160 0 D 25266 D /s/ Adam R. Santosuosso, Attorney-in-Fact for Thomas Francis Kelly 2021-11-30