TMX Markets Update

April 27, 2018 (TORONTO) - TMX today experienced an internal technical issue affecting service on Toronto Stock Exchange (TSX) TSX Venture Exchange (TSXV), TSX Alpha Exchange (Alpha) and Montreal Exchange (MX), beginning at 1:37:25 pm on MX and 1:39:13 pm EDT on TSX, TSX V, and Alpha. We have identified the issue and are working to rectify. Due to the timing and nature of the issue, TMX has decided to shut down trading on all markets for the remainder of the day.

We apologize for the inconvenience. We expect to resume trading at regular hours on Monday, April 30, 2018.

About TMX Group (TSX:X)

TMX Group's key subsidiaries operate cash and derivative markets and clearinghouses for multiple asset classes including equities and fixed income. Toronto Stock Exchange, TSX Venture Exchange, TSX Alpha Exchange, The Canadian Depository for Securities, Montréal Exchange, Canadian Derivatives Clearing Corporation, Trayport and other TMX Group companies 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 (Montréal, Calgary, Vancouver and New York), as well as in key international markets including London, Beijing and Singapore. For more information about TMX Group, visit our website at www.tmx.com. Follow TMX Group on Twitter: @TMXGroup.