Cintas (CTAS) 8-K Other Events

Exhibit 12.1

CINTAS CORPORATION

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(Amounts in Thousands)

	Year Ended May 31,										Nine Months Ended
	2011		2010		2009		2008		2007		February 29, 2012		February 28, 2011
Net income before income taxes	$	392,669	$	343,892	$	361,593	$	530,704	$	533,553	$	347,655	$	275,763
Capitalized interest	2,150		2,182		2,259		1,090		490		1,299		1,717
Fixed charges	66,935		63,476		65,127		65,578		61,903		65,297		47,238
Earnings	$	461,754	$	409,550	$	428,979	$	597,372	$	595,946	$	414,251	$	324,718

	Year Ended May 31,										Nine Months Ended
	2011		2010		2009		2008		2007		February 29, 2012		February 28, 2011
Fixed charges:
Interest component of rent expense	$	15,081	$	12,682	$	12,632	$	11,665	$	11,089	$	11,717	$	8,566
Interest expense	49,704		48,612		50,236		52,823		50,324		52,281		36,955
Capitalized interest	2,150		2,182		2,259		1,090		490		1,299		1,717
	$	66,935	$	63,476	$	65,127	$	65,578	$	61,903	$	65,297	$	47,238
Ratio of earnings to fixed charges	6.9		6.5		6.6		9.1		9.6		6.3		6.9