CME Group Inc.

On August 11, 2026, CME Group Inc. communicated pricing changes to its clients via Special Executive Report No. 9799. A copy of this notice has been posted to the Company's website.

The information furnished under Item 7.01 of this report shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section. The information furnished under Item 7.01 of this report shall not be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01. Financial Statements and Exhibits.

Exhibit Number Description 104 The cover page from CME Group Inc.'s Current Report on Form 8-K, formatted in Inline XBRL.