Sustainability Memberships, Endorsements and Engagements International Sustainability Standards Board (ISSB) and Canadian Sustainability Standards Boards (CSSB) TMX Group remains an advocate for the development of a global baseline for sustainability and climate-related disclosures that will provide the investment community with consistent, robust and decision-useful information to inform investment processes. The ISSB and CSSB's climate and sustainability disclosure standards provide the foundation for such a global baseline. Given our central role in the Canadian capital markets and as owner and operator of 91猎奇 and 91猎奇V, TMX Group continues to engage with the ISSB, the CSSB, the CSA and other market participants to ensure that these standards are applied in a way that is calibrated to Canada始s unique marketplace and recognize the importance of proportionality, materiality and global competitiveness. Business Future Pathways (BFP) TMX partnered with the BFP initiative and other organizations in delivering practical, internationally-aligned guidance for Canadian corporations so they can develop transition plans to unlock investment, boost confidence, and support Canada始s transition to a competitive, climate-ready economy. BFP will help Canadian companies build credible, investor-endorsed climate transition plans that turn climate-readiness into a competitive advantage. Climate Engagement Canada (CEC) TMX Group is proud to continue its role as education partner with CEC, a finance-led initiative driving dialogue between the financial community and corporate issuers to promote a just transition to a net-zero economy. By collaborating with CEC, we provide additional outreach capacity within our network and community of issuers, to support the market's understanding of climate risks and resilience in the low-carbon transition. United Nations Sustainable Stock Exchanges (SSE) Initiative TMX Group始s equities and derivatives exchanges (91猎奇, 91猎奇V, and Montreal Exchange) are active members of the SSE Initiative, which promotes sustainable performance and transparency in capital markets. This membership allows TMX Group to report its sustainability efforts (see Appendix A) in comparison to other exchanges and provides access to global thought leadership, educational content, and knowledgesharing opportunities. On March 7, 2025, we held a market open ceremony with local market participants committed to enhancing inclusion and advancement of women in capital markets as a part of the Ring the Bell for Gender Equality始 initiative, a partnership between the UN SSE, International Finance Corporation (IFC), the UN Global Compact, UN Women and the World Federation of Exchanges (WFE). World Federation of Exchanges (WFE) - Sustainability Working Group TMX Group is a member of the World Federation of Exchanges, the global industry group for exchanges and clearing houses, which promotes an orderly, secure, fair, and transparent environment for investors and market participants. TMX Group actively participates in the WFE Sustainability Working Group to define the role of exchanges as sustainable financial markets evolve, develop best practices and educate market participants on sustainability issues. We also contribute to the WFE始s Annual Sustainability Survey, which captures global progress and challenges in exchanges始 engagement with ESG issues. Additionally, on November 10, 2025, we joined 27 other exchanges in WFE始s Ring the Bell for Climate campaign with a dedicated market open ceremony, highlighting the importance of sustainability issues in the finance industry and how exchanges work with stakeholders to address them. REPORT CONTENTS ABOUT THIS REPORT SUSTAINABILITY STRATEGY SUSTAINABILITY GOVERNANCE PROSPERITY PLANET PEOPLE APPENDICES 22 | TMX GROUP 2025 ANNUAL SUSTAINABILITY REPORT
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