X0508 4 2025-11-20 0 0001156375 CME GROUP INC. CME 0001475318 Sammann Derek 20 S. WACKER DRIVE CHICAGO IL 60606 0 1 0 0 Sr MD Gl Hd Commodities Mkts 0 Common Stock Class A 2025-11-06 5 J 0 E 2300 0 D 8683 D Common Stock Class A 2025-11-06 5 J 0 E 2300 0 A 16914 I by Trust Common Stock Class A 2025-11-20 4 S 0 5886 275.65 D 11028 I by Trust Common Stock Class A 2025-11-20 4 S 0 1314 275.74 D 7022 I by Spouse Ownership has been updated to reflect the transfer of CME Group Class A common stock on November 6, 2025 to reporting person's revocable living trust. By: Margaret Austin Wright For: Derek Louis Sammann 2025-11-21