Item 6. EXHIBITS










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 September 30, 2025, 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

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 thereunto duly authorized.



	CME Group Inc. (Registrant)

Dated: October 24, 2025	By:	/s/ Lynne Fitzpatrick
		Lynne FitzpatrickSenior Managing Director, President and Chief Financial OfficerPrincipal Financial Offer and Duly Authorized Officer

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