News Release

Cincinnati Financial Corporation Announces Internet Availability of Proxy Materials and Webcast for 2011 Annual Meeting of Shareholders

CINCINNATI, March 18, 2011 /PRNewswire via COMTEX/ -- Cincinnati Financial Corporation (Nasdaq: CINF) today announced the Internet availability of materials for its 2011 Annual Meeting of Shareholders - the 2010 Annual Report on Form 10-K, the 2011Shareholder Meeting Notice and Proxy Statement and the 2010 Annual Letter from the Chairman and the Chief Executive Officer. The company has filed these materials with the Securities and Exchange Commission, and they are available for viewing on www.cinfin.com/investors.

The 2011 Annual Meeting of Shareholders will be held on Saturday, April 30, at9:30a.m. EDT at the Cincinnati Art Museum located in Eden Park, Cincinnati, Ohio. The company invites those unable to attend the meeting in person to visit www.cinfin.com/investors to listen to an Internet webcast or replay.

Over the next few weeks, shareholders of record on March 3, 2011, will directly receive voting instructions by mail or e-mail. Inresponse to shareholder preferences, most shareholders will receive those instructions via a mailed Notice of Internet Availability of Proxy Materials that encourages online reading of proxy materials. Mailing the Notice in lieu of full printed materials reduces costs and environmental impacts.

Shareholders who have previously made specific elections to receive printed materials or Electronic Delivery will continue to receive materials per those instructions. Instructions to specifically elect Electronic Delivery or to request the printed materials free of charge are available on the website (www.cinfin.com/proxy_voting), contained in Electronic Delivery e-mails, and printed on the Notice of Internet Availability of Proxy Materials.

A live, listen-only webcast of the 2011 Annual Meeting of Shareholders will be available on www.cinfin.com/investors. Participants are encouraged to visit the website to test their systems for compatibility prior to the time of the meeting. A replay of the webcast will be available approximately two hours after the close of the meeting.

Cincinnati Financial Corporation offers business, home and auto insurance, our main business, through The Cincinnati Insurance Company and its two standard market property casualty companies. The same local independent insurance agencies that market those policies may offer products of our other subsidiaries, including life and disability income insurance, annuities and surplus lines property and casualty insurance. For additional information about the company, please visit http://www.cinfin.com/.

Mailing Address:

Street Address:

P.O. Box 145496

6200 South Gilmore Road

Cincinnati, Ohio 45250-5496

Fairfield, Ohio 45014-5141

SOURCE Cincinnati Financial Corporation