CME Group adjourns four proposals due to Class B quorum shortfall; elects all director nominees

3. The proposal to approve, on an advisory basis, the compensation of the Company's named executive officers was approved based upon the following votes. For this item, Class A and Class B shareholders vote together as a single class. There were a total of 23,505,825 broker non-votes for this proposal. FOR AGAINST ABSTAIN 259,576,112 34,530,288 854,319

1. Each of the Equity Director nominees were elected to serve until the 2027 annual meeting of shareholders based on the following votes. For this item, Class A and Class B shareholders vote together as a single class. There were a total of 23,505,825 broker non-votes in this proposal. Equity Directors FOR AGAINST ABSTAIN Terrence A. Duffy 267,885,386 26,615,419 459,914 Kathryn Benesh 286,032,047 8,324,133 604,539 Timothy S. Bitsberger 267,913,188 26,461,432 586,099 Charles P. Carey 252,305,370 41,546,896 1,108,453 Bryan T. Durkin 280,480,508 13,830,690 649,521 Harold Ford Jr. 285,672,959 8,650,548 637,212 Martin J. Gepsman 242,151,525 52,090,523 718,671 Daniel G. Kaye 281,023,717 13,356,331 580,671 Phyllis M. Lockett 258,393,139 35,557,492 1,010,088 Deborah J. Lucas 286,008,982 8,354,274 597,463 Rahael Seifu 271,627,737 22,563,896 769,086 William R. Shepard 268,926,954 25,612,160 421,605 Howard J. Siegel 273,255,554 21,183,226 521,939 Dennis A. Suskind 257,757,954 36,335,165 867,600

2. The proposal to ratify the appointment of Ernst & Young LLP as the Company's independent auditor for 2026 was approved based upon the following votes. For this item, Class A and Class B shareholders vote together as a single class. FOR AGAINST ABSTAIN 291,376,905 26,595,015 494,624