PGR: Company disclosure

Item 7.01 Regulation FD Disclosure. On May 20, 2026, The Progressive Corporation (the “Company”) issued a news release containing financial results of the Company and its consolidated subsidiaries for the month and year-to-date periods ended April 30, 2026. A copy of the news release is attached hereto as Exhibit 99. Item 9.01 Financial Statements and Exhibits. (d) Exhibits See exhibit index on page 3. - 1 - SIGNATURES 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. Date: May 20, 2026 THE PROGRESSIVE CORPORATION By: /s/ Carl G. Joyce Name: Carl G. Joyce Title: Vice President and Chief Accounting Officer - 2 - EXHIBIT INDEX Exhibit No. Under Reg. S-K Item 601 Form 8-K Exhibit No. Description 99 99 News release dated May 20 , 2026, containing financial results of The Progressive Corporation and its consolidated subsidiaries for the month and year-to-date periods ended April 3 0 , 2026. 104 104 Cover Page Interactive Data File (the cover page tags are embedded within the Inline XBRL document). - 3 -