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Exhibit 12.1

COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES
AND PREFERRED DIVIDENDS (UNAUDITED)
(in millions)

		Predecessor																					Successor
		Celanese
		Year Ended December 31,																		Three Months Ended March 31, 2004			Six Months Ended September 30, 2004						Pro Forma Nine Months Ended September 30, 2004
																	Nine Months Ended September 30, 2003									Pro Forma Year Ended December 31, 2003
		1999			2000			2001			2002			2003
Earnings:
Pre-tax earnings (loss) from continuing operations excluding minority interest expense		$	(647	)	$	185		$	(419	)	$	184		$	203		$	206		$	80		$	(135	)	$	203		$	(55	)
Change in interest expense																											(189	)		50
Pro forma pre-tax earnings (loss) from continuing operations																											14			(5	)
Less:
	(Income) loss from equity investees, net		(7	)		(18	)		(12	)		(21	)		(35	)		(29	)		(12	)		(35	)		(35	)		(47	)
Plus:
	Income distributions from equity investments		7			12			19			61			23			21			15			20			23			35
	Amortization of capitalized interest		8			9			9			10			14			10			2			4			14			6
	Combined Fixed charges		150			103			104			89			85			65			16			244			287			220
Total "earnings" as defined before combined fixed charges		$	(489	)	$	291		$	(299	)	$	323		$	290		$	273		$	101		$	98		$	303		$	209
Combined fixed charges:
Interest expense		$	115		$	68		$	72		$	55		$	49		$	36		$	6		$	228		$	238		$	184
Capitalized interest			14			12			4			6			3			5			3			2			3			5
Estimated interest portion of rent expense(1)			21			23			28			28			33			24			7			14			33			21
Preferred stock dividends			—			—			—			—			—			—			—			—			13			10
Total combined fixed charges		$	150		$	103		$	104		$	89		$	85		$	65		$	16		$	244		$	287		$	220
Ratio of earnings to combined fixed charges(2)			—			2.8	x		—			3.6	x		3.4	x		4.2	x		6.2	x		—			1.1	x		—

(1)

The estimated interest portion of rental expense is based on the amount of rental expense including discontinued operations for 1999 and 2000 and excluding discontinued operations for subsequent periods.

(2)

Earnings were insufficient to cover combined fixed charges by $639 million for the year ended December 31, 1999, $403 million for the year ended December 31, 2001, $146 million for the six months ended September 30, 2004 and $11 million for the pro forma nine months ended September 30, 2004.

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COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED DIVIDENDS (UNAUDITED) (in millions)