CINF: Leadership change · Company disclosure

Item 5.02(b) Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Item 7.01 Regulation FD Disclosure On June 19, 2026, Cincinnati Financial Corporation issued the attached news release “Cincinnati Financial Corporation Expands Board With Appointment of Independent Director.” The news release is furnished as Exhibit 99.1 hereto and is incorporated herein by reference. The foregoing information is being furnished pursuant to this Item 7.01 and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise be subject to the liabilities of that section, and shall not be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing. Item 9.01 Financial Statements and Exhibits. (c) Exhibits Exhibit 99.1 – News release entitled, “Cincinnati Financial Corporation Expands Board With Appointment of Independent Director" Exhibit 104 – The cover page from this Current Report on Form 8-K, formatted as Inline XBRL Signature Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. CINCINNATI FINANCIAL CORPORATION Date: June 22, 2026 /S/ Michael J. Sewell Michael J. Sewell, CPA Chief Financial Officer, Executive Vice President and Treasurer (Principal Accounting Officer)