Exhibit 12.1

KRATON PERFORMANCE POLYMERS, INC.

Ratio of Earnings to Fixed Charges

(In thousands)

	December 31, 2011			December 31, 2010			December 31, 2009			December 31, 2008			December 31, 2007
Fixed Charges:
+ Interest expensed		23,422			22,509			29,866			35,212			42,632
+ Interest capitalized		2,259			520			0			0			0
+ Amortization of debt issuance costs		6,722			2,071			4,090			2,139			2,715
+ Accretion of debt discount		0			0			0			0			0
+ Estimate of interest within rental expense		2,846			2,205			1,734			2,800			2,449
+ Preference security dividend requirements		0			0			0			0			0
Total fixed charges		35,249			27,305			35,690			40,151			47,796
Earnings:
+ Pre-tax income (loss)		91,509			111,858			(1,657	)		36,850			(37,629	)
- Income from equity investees		(529	)		(487	)		(403	)		(437	)		(626	)
+ fixed charges		35,249			27,305			35,690			40,151			47,796
+ Amortization of capitalized interest		226			0			0			0			0
+ Distributed income of equity investees		515			403			433			1,041			106
+ Pre-tax losses of equity investees for which charges arising from guarantees are included in fixed charges		0			0			0			0			0
-  Interest capitalized		(2,259	)		(520	)		0			0			0
-  Preference security dividend requirements		0			0			0			0			0
-  The minority interest in pre-tax income of subsidiaries that have not incurred fixed charges		0			0			0			0			0
Total Earnings		124,711			138,559			34,063			77,605			9,647
Deficiency (Surplus)		(89,462	)		(111,254	)		1,627			(37,454	)		38,149
Ratio		3.54			5.07			0.95			1.93			0.20
Ratio of Earnings to Fixed Charges		3.54:1.0			5.07:1.0			0.95:1.0			1.93:1.0			0.20:1.0

Our earnings were insufficient to cover our fixed charges by approximately $1.6 million and $38.1 million for the years ended December 31, 2009 and 2007, respectively.