(c) Disclose information about the extent to which, and how TSX Trustʼs processes for identifying, assessing, prioritizing, and monitoring climate-related risks and opportunities are integrated into and inform TSX Trustʼs overall risk management process In alignment with TMX Groupʼs global risk standards, TSX Trust integrates climate-related risk management into its Enterprise Risk Management framework and in alignment with the TMX Group OCRM process. Integration and expansion of this disclosure expectation into TSX Trustʼs risk management process is under development for 2026. See the 2025 Group SR at “Sustainability Risk Managementˮ at Page 8 Metrics and Targets (a) Disclose metrics used by TSX Trust to assess climate-related risks and opportunities in line with its strategy and risk management process. Implementation of this disclosure expectation into TSX Trust Companyʼs own strategy and risk management process is under development for 2026. (b) (i) Disclose separately TSX Trustʼs Scope 1 and location-based Scope 2 absolute gross GHG emissions for the period. Scope 1 (Stationary Combustion) - 0.00 tCO2e Scope 2 (Location-Based) - 101.78 tCO2e Scope 2 (Market-Based)- 101.78 tCO2e Note: These figures are derived and sourced (but not reproduced) from data available in Appendix D of the TMX Group 2025 Sustainability Report. See the 2025 Group SR at “Appendix D: Our Emissions Dataˮ – Page 35 Disclose the measurement approach, inputs, and assumptions TSX Trust uses to measure its Scope 1 and Scope 2 GHG emissions, and the underlying reasons for these decisions. TMX Group follows the consolidated “operational controlˮ approach established by the Greenhouse Gas Protocol Corporate Standard. Under this framework, TSX Trustʼs emissions are separately tracked and also integrated into the TMX Group inventory, which covers all major offices and facilities. Information on TMX Groupʼs measurement approach (including data collection and accounting methods), inputs and assumptions are detailed at pages 17 and 35-36 of the 2025 Group SR. Implementation of this disclosure expectation into TSX Trustʼs strategy and operations is under development for 2026. See the 2025 Group SR at “Our GHG Emissionsˮ - Page 17, and “Appendix D: Our Emissions Dataˮ – Pages 35 to 36 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 43 | TMX GROUP 2025 ANNUAL SUSTAINABILITY REPORT
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