TMX Group Completes Acquisition of Trayport and Sale of NGX to Intercontinental Exchange

December 14, 2017 (TORONTO) – TMX Group Limited (TMX Group) today announced it has completed the acquisition of London-based Trayport Holdings Limited, and its U.S.-based affiliate, Trayport Inc. (collectively, Trayport), a world-leading provider of technology solutions for energy traders, brokers and exchanges from Intercontinental Exchange, Inc. (ICE) for £550 million / C$931 million in total consideration, including £350 million / C$592 million in cash (the Trayport Acquisition). The transaction was announced in October 2017.

In conjunction with the Trayport Acquisition, TMX Group has completed the sale of Natural Gas Exchange Inc. (NGX) and Shorcan Energy Brokers Inc. (Shorcan Energy) to ICE, at a combined value of £200 million / C$339 million. The sale of NGX and Shorcan Energy was used as partial consideration by TMX Group for the Trayport Acquisition.

The cash consideration for the Trayport Acquisition was satisfied from the net proceeds from the TMX Group debenture offering which closed on December 11, 2017, along with excess cash and borrowings under TMX Group's commercial paper program.

The UK Competition and Markets Authority has approved the sale of Trayport to TMX Group. The Commissioner of Competition has issued a "no action" letter in respect of the sale of NGX and Shorcan Energy to ICE.

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 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 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.

For more information please contact:

Shane Quinn
Head of Communications and Public Affairs
TMX Group
416-947-4609
shane.quinn@tmx.com

Paul Malcolmson
Managing Director, Investor Relations
TMX Group
416‐947‐4317
paul.malcolmson@tmx.com