Ms. Catherine Kee reports

TMX GROUP LIMITED INCREASES DIVIDEND BY 5% TO $0.20 PER COMMON SHARE

The board of directors of TMX Group Ltd. has declared a dividend of 20 cents on each common share outstanding, an increase of one cent, or 5 per cent. This dividend is payable on March 7, 2025, to shareholders of record at the close of business on Feb. 21, 2025.

"We are pleased to announce TMX Group's fourth dividend increase in two years, reflecting a consistent commitment to delivering value to shareholders, and the strength of our high performance business model," said David Arnold, chief financial officer of TMX Group. "Moving forward, we are focused on the execution of our global strategy to accelerate enterprise growth while maintaining a disciplined approach to capital allocation and advancing against our deleveraging targets."

TMX Group hereby advises that this dividend is designated as an eligible dividend for Canadian income tax purposes.

About TMX Group Ltd.

TMX Group operates global markets and builds digital communities and analytic solutions that facilitate the financing, growth and success of businesses, traders and investors. TMX Group's key operations include Toronto Stock Exchange, TSX Venture Exchange, TSX Alpha Exchange, the Canadian Depository for Securities, Montreal Exchange, Canadian Derivatives Clearing Corp., TSX Trust, TMX Trayport and TMX VettaFi, which provide listing markets, trading markets, clearing facilities, depository services, technology solutions, data products and other services to the global financial community. TMX Group is headquartered in Toronto and operates offices across North America (Montreal, Calgary, Vancouver and New York) as well as in key international markets, including London, Singapore and Vienna.