Exhibit 12

CELANESE CORPORATION
COMPUTATION OF RATIO EARNINGS TO FIXED CHARGES

				Predecessor																Successor
				Year Ended December 31,												Three Months Ended March 31, 2004				Nine Months Ended December 31, 2004				Year Ended December 31, 2005
				2001				2002				2003
				(in $ millions, except ratio of earnings to combined fixed charges)
Earnings:
Earnings (loss) from continuing operations before tax and minority interest					(378	)			168				172				67				(180	)			362
Less:
Equity in net earnings of affiliates					(12	)			(21	)			(35	)			(12	)			(36	)			(61	)
Plus:
Income distributions from equity investments					19				61				23				16				22				66
Amortization of capitalized interest					9				10				14				2				1				3
Total fixed charges					104				89				72				16				333				454
Total earnings as defined before combined fixed charges					(258	)			307				246				89				140				824
Fixed charges:
Interest expense					72				55				49				6				300				387
Capitalized interest					4				6				3				3				4				4
Estimated interest portion of rent expense					28				28				20				7				21				31
Cumulative undeclared and declared preferred stock dividends					—				—				—				—				—				10
Guaranteed payment to minority shareholders					—				—				—				—				8				22
Total combined fixed charges					104				89				72				16				333				454
Ratio of earnings to combined fixed charges					—				3.4				3.4				5.6				—				1.8
Excess (Deficiency)					(362	)			218				174				73				(193	)			370