OCAS Ohio Casualty (MM)

Ohio Casualty Corporation (NASDAQ:OCAS) announced today that it will Webcast its Annual Meeting of Shareholders. The meeting will be held at 10:30 a.m. May 17, 2006, in the Ohio Casualty University Auditorium at the Corporate Headquarters, 9450 Seward Road, Fairfield, Ohio. The meeting will be hosted by Chief Executive Officer Dan R. Carmichael. Other speakers include President and Chief Operating Officer Mike Michael and Executive Vice President and Chief Financial Officer Mike Winner. Among the business items for this year's meeting is the election of three directors. The meeting is being Webcast by Vcall and can be accessed at Ohio Casualty Corporation's Website at www.ocas.com. The Webcast is also being distributed over PrecisionIR's Investor Distribution Network to both institutional and individual investors. Investors can listen to the call through PrecisionIR's Webcast site at www.InvestorCalendar.com or by visiting any of the investor sites in PrecisionIR's Investor Network. The Webcast will be available for replay through May 18, 2007. To access the archived event, visit www.InvestorCalendar.com. Corporate profile Ohio Casualty Corporation is the holding company of The Ohio Casualty Insurance Company, which is one of six property-casualty companies that make up Ohio Casualty Group(R). 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). Ohio Casualty Corporation trades on the Nasdaq National Market under the symbol OCAS. Forward-Looking Statements During the course of this meeting, Ohio Casualty Corporation may make projections or other forward-looking statements regarding future events or the future financial performance of the Corporation. Any such statements are just predictions and actual events or results may differ materially. Refer to the documents the Corporation files from time to time with the Securities and Exchange Commission, specifically Ohio Casualty Corporation's last filed Form 10-K and its Form 10-Q. These documents contain and identify important factors that could cause the actual results to differ materially from those contained in the Corporation's projections or forward-looking statements.