Sustainability Governance Responsibility for the oversight of sustainability is included in the charter of our Board of Directors (Board) as well as three standing committees of the Board that each have various sustainability-related responsibilities. To align our approach across the enterprise and drive the operationalization of our sustainability strategy across TMX, our governance framework sets out responsibilities for senior management-level committees (which oversee and support a coordinated, enterprise-wide approach to sustainability) and our sustainability enterprise team and cross-business working groups that execute and implement our sustainability strategy on a day-to-day basis. BOARD OVERSIGHT SENIOR EXECUTIVE OVERSIGHT IMPLEMENTATION Governance and Regulatory Oversight Committee (Charter) Senior Management Team Strategy Committee (Chair: Chief Executive Officer) Sustainability Enterprise Team (Lead: VP, Governance and Sustainability) Oversees sustainability and ESG reporting and, supported by Enterprise Risk Management, sustainability and climate-risk related risks. Sets enterprise strategy, aligns required resources for its execution and regularly reports on progress to the Board and committees. Coordinates and monitors sustainability strategy implementation and oversees sustainability disclosures and communications. TMX Group Board of Directors (Charter)3 Human Resources Committee (Charter) Operating Committee (Sponsor: Chief Financial Officer)4 Sustainability & Climate Council (Chair: Head, Sustainability and ESG Strategy)5 Oversees sustainability strategy and sustainability and climate-related objectives, risks and opportunities. Oversees executive compensation, ESG objectives and ED&I.6 Monitors overall operational resilience including the management of sustainability and climate related risks. Executes and delivers on sustainability and climate strategy. Audit Committee (Charter) Transformation Committee (Sponsors: Chief Financial Officer and Chief Information Officer) Equity, Diversity & Inclusion Council (Sponsors: Chief Executive Officer and Chief Human Resources Officer) Oversees sustainability and climate related risk management. Establishes priorities and oversees the execution of operational excellence and innovation initiatives aligned with strategic objectives, including sustainability and climate-related opportunities. Employee-led body developing and supporting the execution of programs and policies supporting the ED&I strategy. REPORT CONTENTS ABOUT THIS REPORT SUSTAINABILITY STRATEGY SUSTAINABILITY GOVERNANCE PROSPERITY PLANET PEOPLE APPENDICES 9 | TMX GROUP 2025 ANNUAL SUSTAINABILITY REPORT 3 Please refer to page 41 of our 2026 Management Information Circular for information on our Board始s various areas of expertise including sustainability. Additional information regarding the Board can also be found in Appendix G. 4 Renamed from the Executive Operating and Risk Committee, the Operating Committee will focus on enterprise operations and risk management. Complementing this work, the new Transformation Committee was created to promote innovation, continuous improvement and enterprise-wide operational excellence. 5 Implementation was delayed to 2026, to align with the release of emissions-reduction targets. 6 Please refer to page 53 of our 2026 Management Information Circular for information on how sustainability is integrated into executive compensation at TMX.
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