Koppers International B.V. S-3ASR Automatic shelf registration

Exhibit 12.1

KOPPERS HOLDINGS INC.

RATIO OF EARNINGS TO FIXED CHARGES

(Dollars in millions, except ratios)

	2007			2008			2009			2010			2011			Three Months Ended March 31, 2012
Earnings:
Income from continuing operations before taxes	$	79.3		$	87.1		$	34.8		$	73.5		$	96.2		$	23.0
Deduct: Equity earnings net of dividends		(0.2	)		(0.6	)		(0.8	)		0.0			0.2			0.5
Deduct: Pre-tax income of noncontrolling interests		3.1			0.8			3.4			0.5			0.9			0.4
Add: Fixed charges		55.5			53.5			71.6			40.3			40.8			10.5
Earnings as defined	$	131.9		$	140.4		$	103.8		$	113.3		$	135.9		$	32.6
Fixed charges:
Interest expensed	$	45.9		$	41.4		$	58.7		$	27.1		$	27.2		$	6.9
Interest capitalized		0.3			0.0			0.0			0.0			0.0			0.0
Other		0.0			0.4			0.5			0.0			0.0			0.0
Rents		31.1			39.0			41.5			42.5			43.8			11.6
Interest factor		31	%		31	%		31	%		31	%		31	%		31	%
Estimated interest component of rent		9.6			12.1			12.9			13.2			13.6			3.6
Total fixed charges	$	55.8		$	53.9		$	72.1		$	40.3			40.8			10.5
Ratio of earnings to fixed charges		2.36			2.61			1.44			2.81			3.33			3.10