0001306830-21-000124 4 1 20210503 20210505 20210505 Dupuis Vanessa 0001848575 4 34 001-32410 21893208 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_162024513735937.xml FORM 4 X0306 4 2021-05-03 0 0001306830 Celanese Corp CE 0001848575 Dupuis Vanessa C/O CELANESE CORPORATION 222 W LAS COLINAS BLVD SUITE 900N IRVING TX 75039 0 1 0 0 SVP, HR (CHRO) Common Stock 2021-05-03 4 S 0 1204 158.50 D 4249 D /s/ Michael R. Sullivan, Attorney-in-Fact for Vanessa Dupuis 2021-05-05