Exhibit 12.1

THE LUBRIZOL CORPORATION AND SUBSIDIARIES

Computation of Ratio of Earnings to Fixed Charges

(all amounts except ratios are shown in millions)

	2010			2009			2008			2007			2006
Pretax income from continuing operations	$	1,004.3		$	725.8		$	17.0		$	405.4		$	266.1
Add (deduct) earnings of less than 50% owned affiliates (net of distributed earnings) included in pretax income		0.8			(0.2	)		(0.9	)		(0.3	)		(0.8	)
Add fixed charges net of capitalized interest		109.8			120.5			89.5			101.4			108.5
Add previously capitalized interest amortized during period		1.2			1.5			0.9			0.7			1.0
Less the noncontrolling interest in pre-tax income of subsidiaries that have not incurred fixed charges		(16.5	)		(13.4	)		(7.2	)		(6.4	)		(4.1	)
“Earnings”	$	1,099.6		$	834.2		$	99.3		$	500.7		$	370.7
Gross interest expense including capitalized interest	$	101.4		$	113.0		$	82.2		$	93.5		$	101.2
Interest portion of rental expense		10.1			10.0			11.4			9.6			8.8
“Fixed charges”	$	111.5		$	123.0		$	93.6		$	103.1		$	110.0
Ratio of earnings to fixed charges		9.86			6.78			1.06			4.86			3.37