News Release

TMX Group Patron Sponsor of PDAC 2013

March 4, 2013

Toronto Stock Exchange and TSX Venture Exchange speaking at key financial events

March 4, 2013 (TORONTO, ON) – TMX Group Limited, the world-leading mining exchange group, is patron sponsor of this year's Prospectors and Developers Association of Canada's (PDAC) International Convention, Trade Show & Investors Exchange, being held from March 3 to 6, 2013.

“Each year, TMX Group looks forward to the PDAC Convention and welcoming the international mining community to Toronto,” said Kevan Cowan, President, TSX Markets and Group Head of Equities. “Our exchanges are global leaders in the sector and have a proven system that our issuers benefit from.”

TMX Group will be hosting numerous international delegations and speaking at several key financial industry events. These events include market open ceremonies, seminars, and workshops on listing on Toronto Stock Exchange and TSX Venture Exchange.

Today, TMX Group is hosting a market open ceremony with the Mexico mining delegation. The Exchanges will also host “TMX Deal Day”, which focuses on accessing capital on the Canadian capital markets for Latin American mining companies. This event provides companies looking to go public in Canada with an opportunity to meet with members of the legal, investment bank, accounting and financial communications communities.

On Tuesday, March 5, TMX Group will host representatives from PDAC to open the market. TMX Group will speak at the Brazil-Canada mining breakfast, as well as the Canada-Southern Africa Chamber of Business 14th Annual Mining Breakfast and MineAfrica's 11th Annual Investing in African Mining seminar.

On Wednesday, March 6, TMX Group will host the Australian mining delegation market open ceremony and on Thursday, March 7, the South African mining delegation will open the market.

Toronto Stock Exchange and TSX Venture Exchange are the world's number one listings venue for mining companies. As of January 31, 2013, the Exchanges were home to 1,673 mining issuers that have a combined market capitalization of $389 billion.

For Market Openings: Media may pick up a feed from the TOC (television operations centre) for all market open ceremonies. The feed is named TSX Transmit 2 and is produced at the TMX Broadcast Centre and sent live to the TOC. Those featured in the market opening move into position for the market open ceremony at approximately 9:27 a.m. and the markets will open with the sound of a siren (the traditional market open on Toronto Stock Exchange) at 9:30 a.m.

About TMX Group

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 www.tmx.com. Follow TMX Group on Twitter at http://twitter.com/tmxgroup.

For more information please contact:

Catherine Kee
Manager, Corporate Communications
TMX Group
416-814-8834
catherine.kee@tmx.com