Cincinnati, February 1, 2010 — Cincinnati Financial Corporation (Nasdaq: CINF) — The Cincinnati Financial board of directors, at its regular meeting on January 29, 2010, added a fourteenth seat to the board, appointing Linda W. Clement-Holmes to fill the seat effective February 1, 2010. She also will serve on the audit committee.

Clement-Holmes is senior vice president, Global Diversity and Global Business Services, for The Procter & Gamble Company. She joined P&G as a systems analyst and, through her 27-year career, has moved through positions of expanding responsibility in IT and Global Business Services. She has led numerous breakthrough initiatives in IT systems management and organizational development. She earned a Bachelor of Science in Industrial Management and Computer Science degree from Purdue University. She has served on a number of advisory boards including: Conference Board-Council of Chief Information Officers, IT Senior Management Forum, National Urban League, Jack & Jill of America, Cincinnati Black Data Processing Association, Victory Neighborhood Services and 4C (Comprehensive Community Child Care).

John J. Schiff, Jr., CPCU, chairman of the board, commented: “Linda’s expertise in strategic technology management complements the diverse strengths of our current directors, rounding out our board and supporting our goal to create value for shareholders.”

In accordance with the company’s governance guidelines, Clement-Holmes will stand for re-election by shareholders at the annual meeting of shareholders on May 1, 2010. Other nominees on the slate for terms to expire in 2013 are continuing directors: Gregory T. Bier, CPA (Ret), Douglas S. Skidmore and Larry R. Webb, CPCU. Vice Chairman of the Board James E. Benoski, whose term also is expiring, will not stand for re-election. Benoski, age 71, was president, chief operating officer, chief insurance officer of the company until July 2008. As previously announced, he retired from active employment in January 2009. He continues as a director on all subsidiary boards.

Cincinnati Financial plans to report fourth-quarter and year-end 2009 results on Thursday, February 4. A conference call to discuss the results will be held at 11:00 a.m. EST on that day. Details regarding the Internet broadcast of the conference call are available on www.cinfin.com/investors.