CINF: Company disclosure · Other company developments

Item 7.01 Regulation FD Disclosure On August 25, 2026, Cincinnati Financial Corporation posted presentation slides in PDF format on investors.cinfin.com that will be used in investor presentations beginning August 26, 2026. Exhibit 99.1 is a copy of the slides. The slides are being furnished pursuant to Item 7.01, and the information contained therein shall not be deemed “filed” for the 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. This report should not be deemed an admission as to the materiality of any information contained in the investor presentation slides. Item 8.01 Other Events On August 21, 2026, the Board of Directors expanded the Company’s current share repurchase program by authorizing the Company to repurchase up to an additional 15 million shares of issued and outstanding common shares. This share repurchase authorization is in addition to shares remaining under the Company’s existing repurchase authorization of 15 million shares effective January 26, 2018. This repurchase authorization does not have a fixed expiration date. Information regarding share repurchases and outstanding repurchase authorizations is available in the Company’s periodic reports on Form 10-Q and Form 10-K filed with the Securities and Exchange Commission. Item 9.01 Financial Statements and Exhibits. (c) Exhibits Exhibit 99.1 – Investor presentation slides 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 Ac