Kraton Polymers S-4/A Registration of securities issued in business combination transactions (amended)

Exhibit 12.1

KRATON Polymers LLC

Ratio of Earnings to Fixed Charges

000's

									Predecessor						Elastomers Business
	Three Months Ended March 31, 2005		Three Months Ended March 31, 2004 (Restated)		Year Ended December 31, 2004 (Restated)		Period from December 23 through December 31, 2003		Period from January 1, through December 23, 2003		Year Ended December 31, 2002		Ten Months Ended December 31, 2001		Two Months Ended February 28, 2000		Year Ended December 31, 2001
Earnings:
Pre-tax income (loss)	6,849		(11,928	)	(54,794	)	(3,406	)	12,870		52,332		(18,992	)	(1,000	)	67,000
Income from equity investees	(557	)	(71	)	(462	)	(28	)	(621	)	(1,171	)	(1,045	)	—		—
Fixed charges	9,627		9,006		41,943		589		60,683		39,656		41,863		1,333		2,333
Distributed income of equity investees	461		—		561		—		1,064		710		810		—		—
Total Earnings	16,380		(2,993	)	(12,752	)	(2,845	)	73,996		91,527		22,636		333		69,333
Fixed Charges:
Interest expensed	8,493		7,795		34,247		518		36,775		32,982		36,759		1,000		1,000
Amortization of deferred financing costs	567		678		5,563		38		13,370		3,763		2,867		—		—
Accretion of debt discount	—		—		—		—		8,505		1,044		870		—		—
Estimate of interest within rental expense	567		533		2,133		33		2,033		1,867		1,367		333		1,333
Total fixed charges	9,627		9,006		41,943		589		60,683		39,656		41,863		1,333		2,333
Deficiency of Earnings to Fixed Charges	—		(11,999	)	(54,695	)	(3,434	)	—		—		(19,227	)	(1,000	)	—
Ratio of Earnings to Fixed Charges	1.7		—		—		—		1.2		2.3		—		—		29.7	(1)

(1) The ratio of earnings to fixed charges for the year ended December 31, 2000 reflects that only minimal financing costs were allocated to the Elastomers Business by Shell Chemicals for this period.