Neutralizing Ongoing Emissions Evolving from our previous net-neutrality commitment to our long term net-zero 2050 ambition means that we will shift our efforts to reducing our operational and value chain emissions. However, we will continue to take responsibility for ongoing emissions by neutralizing at least 1% of total emissions for the target timeframe. To this end, and in line with SBTi Corporate Net-Zero Standard V2, we have purchased and retired voluntary carbon offset credits representing 1% of our 2025 total footprint through TVCM. We select carbon offsets from verified, credible, industry-leading registries, prioritizing projects based on their geographical location and the socio-economic benefits they provide. Reducing our Environmental Footprint To improve our environmental footprint, Leadership in Energy and Environmental Design (LEED®) certification has been integrated as a criteria for all future real estate office space as part of TMXʼs real estate strategy. LEED® is the most widely used green building rating system in the world and a globally recognized symbol of sustainability achievement and leadership. All of our major corporate sites in Canada are LEED® certified and, as of December 31, 2025, 86% of TMX Groupʼs total office footprint was LEED® certified or has received an equivalent certification13. REPORT CONTENTS ABOUT THIS REPORT SUSTAINABILITY STRATEGY SUSTAINABILITY GOVERNANCE PROSPERITY PLANET PEOPLE APPENDICES 20 | TMX GROUP 2025 ANNUAL SUSTAINABILITY REPORT 13 Building Research Establishment Environmental Assessment Method (BREEAM) is a leading framework for assessing sustainability in the built environment using science-led metrics.
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