Exhibit 12

CELANESE CORPORATION
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

				Predecessor				Successor
				Three Months Ended March 31, 2004				Three Months Ended March 31, 2005
				(in $ millions except for ratio of earnings to combined fixed charges)
Earnings:
Earnings from continuing operations before tax and minority interests					72				23
Less:
Equity in net earnings of affiliates					(12	)			(15	)
Plus:
Income distributions from equity investments					15				36
Amortization of capitalized interest					2				1
Total fixed charges					16				193
Total earnings as defined before combined fixed charges					93				238
Fixed charges:
Interest expense					6				176
Capitalized interest					3				1
Estimated interest portion of rent expense					7				6
Cumulative undeclared preferred stock dividends					—				2
Guaranteed payment to minority shareholders					—				8
Total combined fixed charges					16				193
Ratio of earnings to combined fixed charges					5.8	x			1.2	x