Exhibit 12

NewMarket Corporation and Subsidiaries

Computation of Ratio of Earnings to Fixed Charges

(Dollars in thousands, except ratios)

	Years Ended December 31
	2008		2007		2006		2005		2004
Earnings:
Pretax income from continuing operations before discontinued operations	$	105,326	$	100,424	$	79,962	$	33,798	$	11,404
Interest expense (net)		12,046		11,557		15,403		16,849		18,254
Portion of rent expense representative of interest factor		6,713		6,097		5,787		5,636		6,438
Amortization of capitalized interest		233		251		346		1,144		1,515
Adjusted pretax income from continuing operations	$	124,318	$	118,329	$	101,498	$	57,427	$	37,611
Fixed Charges:
Interest expense (before deducting capitalized interest)	$	12,931	$	12,124	$	15,624	$	16,970	$	18,441
Portion of rent expense representative of interest factor		6,713		6,097		5,787		5,636		6,438
Total fixed charges	$	19,644	$	18,221	$	21,411	$	22,606	$	24,879
Ratio of earnings to fixed charges		6.3		6.5		4.7		2.5		1.5