TMX Group Limited Announces Approval of an Amendment to its Normal Course Issuer Bid

Toronto, Ontario--(Newsfile Corp. - May 15, 2026) - TMX Group Limited ("TMX Group") announced today that the Toronto Stock Exchange ("TSX") has approved an amendment to its normal course issuer bid. The amendment is intended to increase the maximum of TMX Group's issued and outstanding common shares that may be repurchased under the normal course issuer bid, by allowing the repurchase of up to 5,600,000 common shares, representing approximately 2% of the 278,232,220 common shares outstanding on February 20, 2026.