Item 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

We have adopted written codes of conduct applicable to all of our employees, including our Chairman and Chief Executive Officer, Chief Financial Officer, Chief Accounting Officer and other senior financial officers. In accordance with SEC rules and regulations, copies of these codes of conduct are available on our website at www.cmegroup.com under the "Investor Relations — Corporate Governance" link. In accordance with SEC rules and regulations and the listing requirements of Nasdaq, we intend to disclose promptly on the website and location specified above any substantive amendments to these codes of conduct and any waivers granted to our executive officers or Board members. In addition, we have adopted Corporate Governance Principles which govern the practices of our board of directors. You may also obtain a copy of our codes of conduct and our Corporate Governance Principles by following the instructions in the section of this Annual Report on Form 10-K entitled "Item 1 - Business - Available Information."

We have adopted an insider trading policy governing the purchase, sale and other dispositions of the Company's securities by the Company's directors, officers and employees, as well as by the Company itself. We believe our insider trading policy is reasonably designed to promote compliance with insider trading laws, rules and regulations, and listing standards applicable to the Company. Our insider trading policy is filed as Exhibit 19.1 to this Form 10-K.

Information required by this Item 10 is included under the caption "Information about our Executive Officers" contained in Item 1, Business of this report and under the headings Election of Equity Directors—Equity Directors up for Election at the 2026 Annual Meeting; Election of Class B-1, Class-2 and Class B-3 Directors; Other Business—Delinquent Section 16(a) Reports; Corporate Governance—Board Committees; Audit—Audit Committee Financial Experts; and Corporate Governance—Corporate Governance and Compliance Materials in our definitive proxy statement for the Annual Meeting of Shareholders

to be held on May 14, 2026, to be filed by CME Group with the SEC pursuant to Regulation 14A within 120 days after December 31, 2025 (2026 Proxy Statement). This information is incorporated by reference into this Annual Report on Form 10-K.