OCAS Ohio Casualty (MM)

Ohio Casualty Corporation (NASDAQ: OCAS) announces the following Webcast: What: Ohio Casualty Corporation Annual Shareholders Meeting 2006 Webcast When: May 17, 2006 @ 10:30 AM Eastern Where: http://www.vcall.com/EventPage.asp?ID=104120 How: Live over the Internet -- Simply log on to the web at the address above. Contact: Debbie Hibbard, 513-603-2270 or debbie.hibbard@ocas.com If you are unable to participate during the live webcast, the call will be available for replay at http://www.vcall.com/ClientPage.asp?ID=104120 or http://www.investorcalendar.com/ Ohio Casualty Corporation is the holding company of The Ohio Casualty Insurance Company, which is one of six property-casualty subsidiary companies that make up Ohio Casualty Group. The Ohio Casualty Insurance Company was founded in 1919 and is licensed in 49 states. Ohio Casualty Group is ranked 47th among U.S. property/casualty insurance groups based on net premiums written (Best's Review, July 2005). The Group's member companies write auto, home and business insurance. Ohio Casualty Corporation trades on the NASDAQ Stock Market under the symbol OCAS and had assets of approximately $5.8 billion as of March 31, 2006.