Exhibit 12

PPG INDUSTRIES, INC. AND CONSOLIDATED SUBSIDIARIES

Computation of Ratio of Earnings to Fixed Charges

(Dollars in millions)

	Year Ended December 31
	2007		2006		2005		2004		2003
Earnings:
Earnings (loss) before income taxes and net earnings in equity affiliates	$	1,212	$	928	$	860	$	918	$	714
Plus:
Fixed charges exclusive of capitalized interest		149		130		122		125		145
Amortization of capitalized interest		7		8		9		10		10
Adjustments for equity affiliates		20		16		19		5		2
Total	$	1,388	$	1,082	$	1,010	$	1,058	$	871
Fixed Charges:
Interest expense including amortization of debt discount/premium and debt expense	$	93	$	83	$	81	$	90	$	107
Rentals - portion representative of interest		56		47		41		35		38
Fixed charges exclusive of capitalized interest		149		130		122		125		145
Capitalized interest		11		7		5		3		3
Total	$	160	$	137	$	127	$	128	$	148
Ratio of earnings to fixed charges		8.7		7.9		8.0		8.3		5.9
Deficiency of earnings to fixed charges	$	—	$	—	$	—	$	—	$	—

The financial information of all prior periods has been reclassified to reflect discontinued operations.