2024 Annual Sustainability Report

4 5 | 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 Endnotes Caution Regarding Forward Looking Information This report contains “forward-looking information” (as defined in applicable Canadian securities legislation) that is based on expectations, assumptions, estimates, projections and other factors that management believes to be relevant as of the date of this report. Often, but not always, such forward-looking information can be identified by the use of forward-looking words such as “plans,” “expects,” “is expected,” “budget,” “scheduled,” “targeted,” “estimates,” “forecasts,” “intends,” “anticipates,” “believes,” or variations or the negatives of such words and phrases or statements that certain actions, events or results “may,” “could,” “would,” “might,” or “will” be taken, occur or be achieved or not be taken, occur or be achieved. Forward-looking information, by its nature, requires us to make assumptions and is subject to significant risks and uncertainties which may give rise to the possibility that our expectations or conclusions will not prove to be accurate and that our assumptions may not be correct. Examples of forward-looking information in this report include, but are not limited to, TMX Group’s economic, business and sustainability (environmental, transition finance, decarbonization and social)-related objectives, vision, commitments, goals, metrics and targets, including, without limitation, the development of TMX Group’s climate transition plan (and any goals and targets contained therein), goals and targets related to its ED&I objectives, as well as its other sustainability-related goals and targets. Forward-looking information is based on a number of risks and uncertainties which may prove to be incorrect. These risks include, but are not limited to: competition from other exchanges or marketplaces, including alternative trading systems and new technologies and alternative sources of financing, on a national and international basis; dependence on the economy of Canada; adverse effects on our results caused by global economic conditions (including geopolitical events, interest rate movements, threat of recession) or uncertainties including changes in business cycles that impact our sector; failure to retain and attract qualified personnel; geopolitical and other factors which could cause business interruption; dependence on information technology; vulnerability of our networks and third party service providers to security risks, including cyber-attacks; failure to properly identify or implement our strategies; regulatory constraints; constraints imposed by our level of indebtedness, risks of litigation or other proceedings; dependence on adequate numbers of customers; failure to develop, market or gain acceptance of new products; failure to close and effectively integrate acquisitions to achieve planned economics, including TMX VettaFi, or divest underperforming businesses; currency risk; adverse effect of new business activities; adverse effects from business divestitures; not being able to meet cash requirements because of our holding company structure and restrictions on paying intercorporate dividends; dependence on third-party suppliers and service providers; dependence of trading operations on a small number of clients; risks associated with our clearing operations; challenges related to international expansion; restrictions on ownership of TMX Group common shares; inability to protect our intellectual property; adverse effect of a systemic market event on certain of our businesses; risks associated with the credit of customers; cost structures being largely fixed; the failure to realize cost reductions in the amount or the time frame anticipated; dependence on market activity that cannot be controlled;

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