Exhibit 12.1

KOPPERS HOLDINGS INC.

RATIO OF EARNINGS TO FIXED CHARGES

(Dollars in millions, except ratios)

	2006			2007			2008			2009			2010
Earnings:
Income from continuing operations before taxes	$	18.6		$	79.5		$	90.0		$	35.5		$	73.8
Deduct: Equity earnings net of dividends		(0.3	)		(0.2	)		(0.6	)		(0.8	)		0.0
Deduct: Pre-tax income of noncontrolling interests		1.9			3.1			0.8			3.4			0.5
Add: Fixed charges		69.4			55.5			53.5			71.6			40.3
Earnings as defined	$	86.4		$	132.1		$	143.3		$	104.5		$	113.6
Fixed charges:
Interest expensed	$	61.3		$	45.9		$	41.4		$	58.7		$	27.1
Interest capitalized		0.2			0.3			0.0			0.0			0.0
Other		0.0			0.0			0.4			0.5			0.0
Rents		26.1			31.1			39.0			41.5			42.5
Interest factor		31	%		31	%		31	%		31	%		31	%
Estimated interest component of rent		8.1			9.6			12.1			12.9			13.2
Total fixed charges	$	69.6		$	55.8		$	53.9		$	72.1		$	40.3
Ratio of earnings to fixed charges		1.24			2.37			2.66			1.45			2.82