RPM International (RPM) 8-K Entry into a Material Definitive Agreement

Exhibit 12.1

RPM

RATIO OF EARNINGS TO FIXED CHARGES

Periods Ended May 31, 2008 through 2012

	3 Months Ended		Year Ended May 31,
	31-Aug-12		2012		2011		2010		2009		2008
Ratio of Earnings to Fixed Charges1		4.33		4.84		4.72		4.67		3.66		1.42

1 Calculated as follows	(income before income taxes) + (fixed charges)
	(fixed charges)

Fixed charges consist of interest expense, amortized expenses related to debt and an estimate of the interest portion of rental expense.

	3 Months Ended		Year Ended May 31,
(All numbers in thousands)	31-Aug-12		2012		2011		2010		2009		2008
Income before income tax		72,062		328,289		295,053		268,454		180,868		34,007
Fixed charges		21,630		85,579		79,227		73,207		67,927		80,588
Total		93,693		413,868		374,280		341,661		248,794		114,595

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