2024 Annual Sustainability Report

4 4 | T M X G R O U P S U S TA I N A B I L I T Y R E P O R T 2 0 2 4 REPORT CONTENTS ABOUT THIS REPORT SUSTAINABILITY STRATEGY SUSTAINABILITY GOVERNANCE PROSPERITY PLANET PEOPLE APPENDICES Managing Business Continuity & Technology Risks CODE ACCOUNTING METRIC UNIT OF MEASURE 2024 2023 FN-EX-550a.1 Market Disruptions Number of significant market disruptions Number 0 0 Duration of downtime Hours n/a n/a FN-EX-550a.2 Data Breaches Number of data breaches Number 0 0 Percentage involving personally identifiable information (PII) Percentage n/a n/a Number of customers affected Number n/a n/a FN-EX-550a.3 Description of efforts to prevent technology errors, security breaches, and market disruptions At TMX Group, we are committed to running resilient systems across our trading, clearing and data platforms. We focus on managing business continuity and technology risks to run reliable and efficient markets. Activity Metrics CODE ACTIVITY METRIC MARKET 2024 2023 FN-EX-000.A Average daily number of trades executed by product or asset class TSX 874,784 879,766 TSXV 32,066 31,543 Alpha 80,727 81,467 Alpha-X & Alpha DRK* 1,906 631 MX Derivatives 114,246 116,653 FN-EX-000.B Average daily volume traded, by product or asset class TSX 347.7 million 331.3 million TSXV 130.8 million 116.3 million Alpha 47.8 million 46.2 million Alpha-X & Alpha DRK* 0.6 million 0.1 million MX Derivatives 0.7 million 0.7 million

RkJQdWJsaXNoZXIy MjgzMzQ=