| 3.1 | | | | | | Seventeenth Amended and Restated Bylaws of CME Group Inc. (incorporated by reference to Exhibit 3.1 to CME Group Inc.’s Current Report on Form 8-K, filed with the SEC on December 9, 2022). | | | | | | | | |
| | | | | | | | | | | | | | |
| 3.2 | | | | | | Fourth Amended and Restated Certificate of Incorporation of CME Group Inc., as amended (incorporated by reference to Exhibit 3.2 to CME Group Inc.'s Current Report on Form 8-K, filed with the SEC on November 4, 2021). | | | | | | | | |
| | | | | | | | | | | | | | |
| 10.1 | | | | | | Amendment No. 11 to Credit Agreement, dated as of April 22, 2026, among Chicago Mercantile Exchange Inc., certain lenders, Bank of America, N.A., as Administrative Agent, and Citibank, N.A., as Collateral Agent and Collateral Monitoring Agent. (incorporated by reference to Exhibit 10.1 to CME Group Inc.'s Current Report on Form 8-K filed with the SEC on April 27, 2026) | | | | | | | | |
| | | | | | | | | | | | | | |
| 10.2 | | | | | | Transition and Executive Chairman Agreement, dated June 16, 2026, between CME Group Inc. and Terrence A. Duffy. (incorporated by reference to Exhibit 10.1 to CME Group Inc.'s Current Report on Form 8-K filed with the SEC on June 17, 2026) | | | | | | | | |
| | | | | | | | | | | | | | |
| 10.3 | | | | | | Employment Agreement, dated June 16, 2026, between CME Group, Inc. and Lynne C. Fitzpatrick. (incorporated by reference to Exhibit 10.2 to CME Group Inc.'s Current Report on Form 8-K filed with the SEC on June 17, 2026) | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
| 31.1 | | | | | | Section 302 Certification—Terrence A. Duffy | | | | | | | | |
| | | | | | | | | | | | | | |
| 31.2 | | | | | | Section 302 Certification—Lynne Fitzpatrick | | | | | | | | |
| | | | | | | | | | | | | | |
| 32.1 | | | | | | Section 906 Certification | | | | | | | | |
| | | | | | | | | | | | | | |
| 101 | | | | | | The following materials from CME Group Inc.’s Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2026, formatted in Inline XBRL (Xtensible Business Reporting Language): (i) the Consolidated Balance Sheets, (ii) the Consolidated Statements of Income, (iii) the Consolidated Statements of Comprehensive Income, (iv) the Consolidated Statements of Equity, (v) the Consolidated Statements of Cash Flows and (vi) Notes to Unaudited Consolidated Financial Statements, tagged as blocks of text. | | | | | | | | |
| | | | | | | | | | | | | | |
| 104 | | | | | | Cover Page Interactive Data File included in the Inline XBRL Document Set for Exhibit 101. | | | | | | | | |
| | | | | | | | | | | | | | |
| 101.DEF | | | | | | XBRL Taxonomy Extension Definition Linkbase | | | | | | | | |
| | | | | | | | | | | | | | |
| 101.LAB | | | | | | XBRL Taxonomy Extension Label Linkbase Document | | | | | | | | |
| | | | | | | | | | | | | | |
| 101.PRE | | | | | | XBRL Taxonomy Extension Presentation Linkbase Document | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |