Item 7.01. Regulation FD Disclosure
On December 3, 2025, Arthur J. Gallagher & Co. (the "Company") announced plans to host an investor meeting on Tuesday, December 16, 2025. As previously announced, a webcast of the meeting and related presentation materials, including an updated "CFO Commentary," are available through the investor relations page of the Company's website. The CFO Commentary includes certain estimates relating to 2025 and 2026 results, net after-tax cash flows from clean energy investments in 2025 and future years, and cautionary language regarding forward-looking statements.