0001306830-05-000043 4/A 1 20050120 20050124 20050124 SANDERS DANIEL S 0001199342 4/A 34 001-32410 05545709 972-444-1000 C/O EXXON MOBIL CORP 5959 LAS COLINAS BLVD IRVING TX 75039-2298 Celanese CORP 0001306830 2810 980420726 DE 1231 1601 W. LBJ FREEWAY DALLAS TX 75234 972-443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 Blackstone Crystal Holdings Capital Partners (Cayman) IV Ltd. 20041022 4/A 1 primary_doc.xml PRIMARY DOCUMENT X0202 4/A 2005-01-20 2005-01-24 0 0001306830 Celanese CORP CE 0001199342 SANDERS DANIEL S C/O CELANESE CORPORATION 1601 W. LBJ FREEWAY DALLAS TX 75234 1 0 0 0 Non-Qualified Stock Option (Right to Buy) 16 2005-01-20 4 A 0 24622 0 A 2015-01-20 Series A Common Stock 24622 24622 D Granted pursuant to the Company's 2004 Stock Incentive Plan. The options vest with respect to 25% of the Option Shares on January 20, 2005, and subject to continued service as a director, with respect to 25% on each of December 31, 2005, December 31, 2006, and December 31, 2007. This Amended Form 4 corrects the Title of Derivative Securities and the Transaction Code of the originally filed Form 4, and provides further details on the vesting schedule of the option grant. Mai-Anh Nguyen 2005-01-24