Tranche Update on Cincinnati Financial Corporation's Equity Buyback Plan announced on August 19, 2005.

Cincinnati Financial Corporation is one of the largest American insurance groups. Premiums earned break down by activity as follows: - real estate and damages insurance (85.7%): insurances home, automobile, accidents, fire, etc.; - life insurance (4.3%) ; - other (10%). The group also provides brokerage services in insurance, financing and leasing and asset management.