Exhibit 12

PPG INDUSTRIES, INC. AND CONSOLIDATED SUBSIDIARIES

Computation of Ratio of Earnings to Fixed Charges

As Restated

$ in millions	Year ended December 31
	2017		2016		2015		2014		2013
	As Restated		As Restated
Earnings:
Earnings before income taxes and net earnings in equity affiliates		$1,988		$767		$1,735		$1,216		$1,177
Plus:
Fixed charges exclusive of capitalized interest	200		215		210		278		280
Amortization of capitalized interest	6		5		5		5		4
Adjustments for equity affiliates	8		7		73		5		1
Total		$2,202		$994		$2,023		$1,504		$1,462
Fixed Charges:
Interest expense including amortization of debt discount/premium and debt expense		$105		$125		$125		$187		$196
Rentals - portion representative of interest	95		90		85		91		84
Fixed charges exclusive of capitalized interest		$200		$215		$210		$278		$280
Capitalized interest	7		8		9		16		10
Total		$207		$223		$219		$294		$290
Ratio of earnings to fixed charges	10.6		4.5		9.2		5.1		5.0

The financial information for the years ended December 31, 2017 and 2016 and as of December 31, 2017 and 2016 has been derived from our restated consolidated financial statements. The financial information has been restated for the matters described in Note 2, "Restatement of Previously Reported Consolidated Annual Financial Statements" included in Item 8 of this Form 10-K/A.

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