X0305 4 2012-04-26 0 0001306830 Celanese CORP CE 0001064947 BARLETT JAMES E C/O CELANESE CORPORATION 222 W. LAS COLINAS BLVD., SUITE 900N IRVING TX 75039 1 0 0 0 Series A Common Stock 2012-04-26 4 A 0 2000 0 A 24518 D Annual grant of restricted stock units pursuant to the Company's 2009 Global Incentive Plan, as Amended and Restated April 19, 2012. The restricted stock units vest in full on the one-year anniversary of the date of grant. Exhibit List: Exhibit No. 24 - Power of Attorney /s/ James R. Peacock III, Attorney-in-Fact for James E. Barlett 2012-04-30