NGX Adds Three New Locations to its U.S. Clearing Network

          NGX Adds Three New Locations to its U.S. Clearing Network

PR Newswire

CALGARY, May 15, 2013

CALGARY, May 15, 2013 /PRNewswire/ - Natural Gas Exchange Inc. (NGX), a
wholly-owned subsidiary of TMX Group, today announced that it has added three
new natural gas clearing locations in the United States.

Physical clearing is now being offered at Cheyenne, Wyoming, TETCO M3, and
Transco Zone 6 NY. NGX now offers products and clearing services at 69 natural
gas, crude oil and power locations in North America, including 47 locations in
the U.S.

"NGX is committed to further expanding our U.S. presence," said Jim
Oosterbaan, President and CEO, NGX. "We're proud to have successfully launched
the new locations to meet our clients' clearing needs."

In April 2013, NGX announced that its application to become registered as a
foreign board of trade received approval from the U.S. Commodity Futures
Trading Commission. For more information on the FBOT status as well as the
NGX clearing locations, please visit www.ngx.com.

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

SOURCE TMX Group Inc.

Contact:

Carolyn Quick
Director, Communications and Public Affairs
TMX Group
416-947-4597
carolyn.quick@tmx.com