TMX Group CEO Plans to Exercise Options and Sell Common Shares

May 23, 2014 (TORONTO) - TMX Group Limited (TSX-X) announced today that Tom Kloet, Chief Executive Officer, intends to exercise stock options and sell the underlying common shares subject to market conditions. As reported in TMX Group's management information circular dated April 11, 2014, Mr. Kloet has a share ownership requirement of three times his base salary, which he will continue to exceed following any sales. Under the terms of his employment agreement, Mr. Kloet must disclose his intention to purchase or sell TMX Group common shares, including exercising of options, at least two business days prior to a transaction.

About TMX Group (TSX: X)

TMX Group's key subsidiaries operate cash and derivative markets and clearinghouses for multiple asset classes including equities, fixed income and energy. Toronto Stock Exchange, TSX Venture Exchange, TMX Select, Alpha Group, The Canadian Depository for Securities, Montreal Exchange, Canadian Derivatives Clearing Corporation, Natural Gas Exchange, BOX Options Exchange, Shorcan, Shorcan Energy Brokers, Equicom and other TMX Group companies provide listing markets, trading markets, clearing facilities, depository services, data products and other services to the global financial community. TMX Group is headquartered in Toronto and operates offices across Canada (Montreal, Calgary and Vancouver), in key U.S. markets (New York, Houston, Boston and Chicago) as well as in London, Beijing and Sydney. For more information about TMX Group, visit our website at http://www.tmx.com. Follow TMX Group on Twitter at https://twitter.com/tmxgroup.