2025 Inventory Highlights The key driver behind the 16% year-over-year reduction of our Scope 1 emissions is associated with reduced diesel consumption from our generators during testing and scheduled maintenance events. Our generators are critical components of our business continuity program and must be tested regularly. The 9% increase in our Scope 2 emissions from 2024 is partly due to the integration of recent acquisitions, which align with our growth strategy. In 2025, we temporarily had a surplus of facilities for some business units as we moved them into new, centralized office locations. This transitional period, however, supports our long-term real estate strategy of centralizing activities, enhancing resource efficiencies, and mitigating the overall growth of our footprint. The increased reported energy consumption from property managers at some locations also contributed to this rise. Breakdown of 2025 Scope 3 Emissions Waste Generated in Operations Fuel and Energy Related Activities Capital Goods Business Travel Employee Commuting Purchased Goods & Services The process improvements implemented in 2025 and greater alignment with the GHG Protocol and SBTi methodologies are the basis for the growth of reported emissions, particularly as it relates to Purchased Goods and Services and Capital Goods. We expect that ongoing data quality enhancements may contribute to future recalculations of our emissions as we continue to align with the latest reporting best practices. We continued to engage staff from all of our office locations in voluntarily sharing information in our 2025 Employee Commuting Survey to inform our Employee Commuting emissions calculations. The year-over-year increase in emissions can be attributed to higher participation rates, providing a more comprehensive and representative view of our workforce's actual travel patterns. REPORT CONTENTS ABOUT THIS REPORT SUSTAINABILITY STRATEGY SUSTAINABILITY GOVERNANCE PROSPERITY PLANET PEOPLE APPENDICES 18 | TMX GROUP 2025 ANNUAL SUSTAINABILITY REPORT 4.63% 84.17% 3.84% 2.29% 4.01% 0.55% 0.39% Upstream Leased Assets Downstream Leased Assets Downstream Transportation & Distribution Upstream Transportation & Distribution 0.0001% 0.05% 0.06% 0.01% Investments
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