Exhibit 12

PPG INDUSTRIES, INC. AND CONSOLIDATED SUBSIDIARIES

Computation of Ratio of Earnings to Fixed Charges

(Dollars in millions)

	Year Ended December 31
	2005		2004		2003		2002			2001
Earnings:
Earnings (loss) before income taxes and net earnings in equity affiliates	$	926	$	1,042	$	847	$	(27	)	$	651
Plus:
Fixed charges exclusive of capitalized interest		129		132		153		168			208
Amortization of capitalized interest		9		10		10		11			10
Adjustments for equity affiliates		20		6		3		6			26
Total	$	1,084	$	1,190	$	1,013	$	158		$	895
Fixed Charges:
Interest expense including amortization of debt discount/premium and debt expense	$	81	$	90	$	107	$	128		$	169
Rentals - portion representative of interest		48		42		46		40			39
Fixed charges exclusive of capitalized interest		129		132		153		168			208
Capitalized interest		5		3		3		5			13
Total	$	134	$	135	$	156	$	173		$	221
Ratio of earnings to fixed charges		8.1		8.8		6.5		—			4.0
Deficiency of earnings to fixed charges	$	—	$	—	$	—	$	(15	)	$	—