State Auto Financial Declares 64th Consecutive Quarterly Dividend

COLUMBUS, Ohio, May 4, 2007 (PRIME NEWSWIRE) — Today the board of directors of State Auto Financial Corporation (Nasdaq:STFC) declared a quarterly cash dividend of $0.10 per share, payable June 30, 2007, to shareholders of record at the close of business on June 15, 2007.

This is the 64th consecutive quarterly cash dividend declared by the company’s board since STFC had its initial public offering of common stock on June 28, 1991. STFC’s dividend payments have increased at a compound average annual growth rate of 15% since 1991.

State Auto Financial Corporation, headquartered in Columbus, Ohio, is a super regional property and casualty insurance holding company. The company markets its personal and business insurance products exclusively through independent insurance agencies in 29 states and is proud to be a Trusted Choice(r) company partner. The company is one of just 3% of publicly traded companies to earn the Mergent Dividend Achiever Award for having increased its dividends for ten or more years in succession. STFC stock is traded on the NASDAQ Global Select Market, which represents the top third of all NASDAQ listed companies.

The State Auto Financial Corp. logo is available at http://www.primenewswire.com/newsroom/prs/?pkgid=3534

The State Auto Insurance Companies are rated A+ (Superior) by the A.M. Best Company. Additional information on State Auto Financial Corporation and the State Auto Insurance Companies can be found at www.STFC.com and www.StateAuto.com.

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CONTACT: State Auto Financial CorporationTerrence Bowshier, Director of Investor Relations(614) 464-5078Kyle Anderson, Director of Media Relations(614) 917-5497