Published 07.30.13

Cintas Corporation Announces Additional Stock Buyback Authorization

CINCINNATI - July 30, 2013 - Cintas Corporation (NASDAQ: CTAS) announced that the Board of Directors approved an additional share repurchase program under which the Company may repurchase up to $500 million of Cintas common stock at market prices. The number of shares to be repurchased and the timing of the purchases will be determined at the discretion of the Board, and repurchases may be discontinued at any time.

As of July 30, 2013, the Company has $151.1 million available under its existing share buyback program that was authorized in October 2011. Since the Board authorized that $500 million program, the Company has purchased 8.6 million shares of Cintas stock at an average price of $40.43 for a total of $348.9 million. This program does not have an expiration date and will continue to be executed at the discretion of the Board. Collectively, as of July 30, 2013, Cintas has $651.1 million available under the programs.

About Cintas Corporation

Cintas Corporation helps more than one million businesses of all types and sizes get Ready™ to open their doors with confidence every day by providing a wide range of products and services that enhance our customers’ image and help keep their facilities and employees clean, safe and looking their best. With products and services including uniforms, mats, mops, restroom supplies, first aid and safety products, fire extinguishers and testing, and safety and compliance training, Cintas helps customers get Ready for the Workday®. Headquartered in Cincinnati, Cintas is a publicly held Fortune 500 company traded over the Nasdaq Global Select Market under the symbol CTAS and is a component of both the Standard & Poor’s 500 Index and Nasdaq-100 Index.

CAUTION CONCERNING FORWARD-LOOKING STATEMENTS

The Private Securities Litigation Reform Act of 1995 provides a safe harbor from civil litigation for forward-looking statements. Forward-looking statements may be identified by words such as “estimates,” “anticipates,” “predicts,” “projects,” “plans,” “expects,” “intends,” “target,” “forecast,” “believes,” “seeks,” “could,” “should,” “may” and “will” or the negative versions thereof and similar words, terms and expressions and by the context in which they are used. Such statements are based upon current expectations of Cintas and speak only as of the date made. You should not place undue reliance on any forward-looking statement. We cannot guarantee that any forward-looking statement will be realized. These statements are subject to various risks, uncertainties, potentially inaccurate assumptions and other factors that could cause actual results to differ from those set forth in or implied by this Press Release. Factors that might cause such a difference include, but are not limited to, the possibility of greater than anticipated operating costs including energy and fuel costs, lower sales volumes, loss of customers due to outsourcing trends, the performance and costs of integration of acquisitions, fluctuations in costs of materials and labor including increased medical costs, costs and possible effects of union organizing activities, failure to comply with government regulations concerning employment discrimination, employee pay and benefits and employee health and safety, uncertainties regarding any existing or newly-discovered expenses and liabilities related to environmental compliance and remediation, the cost, results and ongoing assessment of internal controls for financial reporting required by the Sarbanes-Oxley Act of 2002, disruptions caused by the inaccessibility of computer systems data, the initiation or outcome of litigation, investigations or other proceedings, higher assumed sourcing or distribution costs of products, the disruption of operations from catastrophic or extraordinary events, the amount and timing of repurchases of our common stock, if any, changes in federal and state tax and labor laws, the reactions of competitors in terms of price and service, the ultimate impact of the Affordable Care Act and the timing and amount of any repurchases of common stock. Cintas undertakes no obligation to publicly release any revisions to any forward-looking statements or to otherwise update any forward-looking statements whether as a result of new information or to reflect events, circumstances or any other unanticipated developments arising after the date on which such statements are made. A further list and description of risks, uncertainties and other matters can be found in our Annual Report on Form 10-K for the year ended May 31, 2013 and in our reports on Forms 10-Q and 8-K. The risks and uncertainties described herein are not the only ones we may face. Additional risks and uncertainties presently not known to us or that we currently believe to be immaterial may also harm our business.

For additional information, contact:

J. Michael Hansen, Vice President-Finance and Chief Financial Officer – 513-701-2079

Paul F. Adler, Vice President and Treasurer – 513-573-4195