Exhibit 99.1

     Cincinnati Financial Corporation Appoints Manager of Internal Audit

     * Donald J. Doyle, Jr., to report to board of directors

     * Internal Audit Officer Marc A. O'Dowd to retire in 2005

    CINCINNATI, Oct. 18 /PRNewswire-FirstCall/ -- Cincinnati Financial
Corporation (Nasdaq: CINF) announced today that on October 15, 2004, the audit
committee of the board of directors approved the appointment of Donald J.
Doyle, Jr., CPCU, AIM, to manage its internal audit department, effective
October 18, 2004.
    Doyle continues to serve as senior vice president in each of the company's
four insurance subsidiaries, positions to which he was promoted in February
2004. As manager of internal audit, he now reports functionally to the CFC
board through its audit committee and administratively to the CFC executive
department. During his 15-year tenure with the company, he has held previous
management positions in strategic planning, information technology and
personal lines underwriting. He earned a bachelor's degree from the College of
Mount St. Joseph and a Master of Business Administration degree from Xavier
University.
    Internal Audit Officer Marc A. O'Dowd, CPA, CPCU, has announced plans to
retire in the first half of 2005. O'Dowd established the company's internal
audit department in 1977, advancing to his current position in 1997.
    Chairman and Chief Executive Officer John J. Schiff, Jr., CPCU, commented,
"The board of directors and I truly appreciate Marc's leadership in the
evolution of the internal audit function, which is critical to our company's
accountability and integrity.
    "The department's scope of duties continues to expand beyond auditing
financial systems and controls. Current plans include taking on operational
audits and reducing outsourced work by adding an information systems auditor
position. As we achieve this management transition, Don's broad experience
within the company will help the department fulfill its mission, continuously
evaluating and improving the effectiveness of processes relating to risk
management and internal controls."
    Cincinnati Financial Corporation offers property and casualty insurance,
its main business, through The Cincinnati Insurance Company, The Cincinnati
Indemnity Company and The Cincinnati Casualty Company. The Cincinnati Life
Insurance Company markets life and disability income insurance and annuities.
CFC Investment Company supports the insurance subsidiaries and their
independent agent representatives through commercial leasing and financing
activities. CinFin Capital Management Company provides asset management
services to institutions, corporations and individuals. For additional
information, please visit the company's Web site at www.cinfin.com .

SOURCE  Cincinnati Financial Corporation
    -0-                             10/18/2004
    /CONTACT:  Investors, Heather J. Wietzel, +1-513-603-5950, or Media, Joan
O. Shevchik, +1-513-603-5323, both of Cincinnati Financial Corporation/
    /Web site:  http://www.cinfin.com /
    (CINF)

CO:  Cincinnati Financial Corporation
ST:  Ohio
IN:  FIN INS
SU:  PER