Correction to TMX Group's Management Information Circular

Toronto, Ontario--(Newsfile Corp. - April 10, 2026) - TMX Group Limited (TSX: X) ("TMX Group"), announces that it has filed an updated English version of its management information circular (the "Amended Circular") with respect to its annual and special general meeting of shareholders (the "Meeting") to be held on May 5, 2026 to correct clerical errors that were made in the English version of the previously filed circular that was mailed to the shareholders of TMX Group and posted on SEDAR+ and https://docs.tsxtrust.com/2009 on April 2, 2026. The Amended Circular has been amended to correct the following section references in Appendix "A" - TMX Group Limited Omnibus Equity Incentive Plan: the reference to "Section 5.3" in Section 5.4(b)(viii) has been replaced with "Section 5.4"; and the reference to "Section 5.3" in Section 5.4(d) has been replaced with "Section 5.4".