State Auto Financial Announces Web Cast of 2007 Annual Shareholders Meeting

COLUMBUS, Ohio, March 30, 2007 (PRIME NEWSWIRE) — State Auto Financial Corporation (Nasdaq:STFC) announced today that the company will host a simultaneous Web cast of its 2007 Annual Shareholders Meeting on Friday, May 4, 2007, beginning at 10:00 a.m. Eastern time. The meeting will last approximately one hour and the slide presentation that is used during the meeting will be available on the company’s Web site on the morning of the meeting.

To attend the simultaneous Web cast, visit the company’s Web site at www.STFC.com. The Web cast will be archived and available for several months after the meeting has concluded on the same site.

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 listed 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 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.

This news release was distributed by PrimeNewswire, www.primenewswire.com

CONTACT: State Auto Financial CorporationTerrence Bowshier, VP — Director of Investor Relations(614) 464-5078