X - <span class="din">TMX Group Inc. Declares Dividend of $0.40 Per Common Share</span> (CAD 0.40)

Company: Tmx Group Inc. / Groupe Tmx Inc.
Stock Name: X
Amount: CAD 0.40
Announcement Date: 27/07/2012
Record Date: 07/08/2012

Dividend Detail:

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Shareholders who tender to the Maple offer by July 31, 2012 will be
entitled to receive the dividend

TORONTO, July 27, 2012 /CNW/ - The Board of Directors of TMX Group Inc.
declared a dividend of $0.40 on each common share outstanding, payable
on August 23, 2012 to shareholders of record on August 9, 2012. �� This
dividend is designated as an "ineligible dividend" for Canadian income
tax purposes.

Under the terms of the support agreement between TMX Group and Maple
Group Acquisition Corporation relating to Maple's acquisition of TMX
Group, shareholders who tender their TMX Group shares to the offer by
Maple before it expires at 5:00 pm on July 31, 2012 will be entitled to
receive that dividend.�� This will be the case regardless of whether
Maple Group takes up TMX Group shares under the offer or not, and
regardless of whether the shareholder makes the Full Deposit Election
or the Minimum Deposit Election.

For the results of the quarter ended June 30, 2012 for TMX Group Inc.,
please click on the following link: http://www.tmx.com/en/investor_relations/index.html.��

About TMX Group (TSX-X)

TMX Group's key subsidiaries operate cash and derivative markets for
multiple asset classes including equities, fixed income and energy.
Toronto Stock Exchange, TSX Venture Exchange, TMX Select, Montreal
Exchange, Canadian Derivatives Clearing Corporation, Natural Gas
Exchange, Boston Options Exchange (BOX), Shorcan, Shorcan Energy
Brokers, Equicom and other TMX Group companies provide listing markets,
trading markets, clearing facilities, 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.

For further information:

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

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