Disclose the reporting standard used by TSX Trust to calculate and disclose GHG emissions. If the reporting standard used by TSX Trust is not the GHG Protocol Corporate Standard, disclose how the reporting standard used by TSX Trust is comparable. TMX Group uses the Greenhouse Gas (GHG) Protocol Corporate Standard to calculate and disclose GHG emissions. TSX Trust will follow the same standard as its parent entity, and implementation of this disclosure expectation into TSX Trustʼs operations is under development for 2026. See the 2025 Group SR at “Appendix D: Our Emissions Dataˮ - Pages 35 to 36 (c) Disclose any quantitative and qualitative climaterelated targets TSX Trust has set to monitor progress towards achieving its strategic goals, including: • The objective of the target; • The period over which the target applies; • The base period from which progress is measured; • Any revisions to the target and an explanation of those revisions; Implementation of this disclosure expectation into TSX Trustʼs operations is under development for 2026. Disclose information about TSX Trustʼs approach to setting and reviewing each target and how it monitors progress against each target; Implementation of this disclosure expectation into TSX Trustʼs operations is under development for 2026. Disclose information about TSX Trustʼs performance against each climate-related target and an analysis of trends or changes in TSX Trustʼs performance. Implementation of this disclosure expectation into TSX Trustʼs operations is under development for 2026. For any GHG emissions target disclosed (and the corresponding metrics, if applicable), disclose it both gross of, and net of, carbon offsets, if applicable, and explain the type of offset (for example, carbon credit, nature-based, other.) OSFI B-15 DISCLOSURE ELEMENT OSFI B-15 DISCLOSURE EXPECTATION TSX TRUST RESPONSE REFERENCE DOCUMENTS REPORT CONTENTS ABOUT THIS REPORT SUSTAINABILITY STRATEGY SUSTAINABILITY GOVERNANCE PROSPERITY PLANET PEOPLE APPENDICES 44 | TMX GROUP 2025 ANNUAL SUSTAINABILITY REPORT
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