Announcement of the 2007 "TSX Venture 50"


    TORONTO, June 20 /CNW/ - TSX Venture 50 is back to celebrate Canada's top
emerging public companies. Tonight (Wednesday, June 20), TSX Venture Exchange
will celebrate 50 companies who have stood out in their respective industry
sector this past year. A Market Open ceremony at the TSX Broadcast Centre will
follow-up the festivities tomorrow morning (Thursday, June 21) to highlight
the top companies in each sector.The top companies in the five industry sectors were:

    -  ECU Silver Mining Inc. -  Mining

    -  Versatile Systems Inc. - Technology

    -  Falcon Oil & Gas Ltd. - Oil & Gas

    -  Neptune Technologies & Bioressources Inc. - Life Sciences

    -  Longview Capital Partners Incorporated - Diversified IndustriesThe TSX Venture 50 are the top 10 companies in each of five major
industry sectors - Mining, Oil & Gas, Technology, Life Sciences and
Diversified Industries - based on a ranking formula with equal weighting given
to one-year revenue (last reported 12 months), return on investment, market
cap growth and trading volume. All data was as at December 31, 2006.
    "TSX Venture Exchange provides emerging companies with a special
opportunity to participate in the marketplace" said Kevan Cowan, President,
TSX Venture Exchange. "TSX Venture 50 allows them to rise above it. By
recognizing these companies who are setting the bar, we are bringing great
awareness to this dynamic and competitive junior marketplace."The 2007 TSX Venture 50 companies are:

    Mining                                  Oil & Gas

    ECU Silver Mining Inc.                  Falcon Oil & Gas Ltd.
    Excellon Resources Inc.                 Pacific Stratus Energy Ltd.
    Strateco Resources Inc.                 Bronco Energy Ltd.
    Aurelian Resources Inc.                 Culane Energy Corp.
    Dia Bras Exploration Inc.               Brazalta Resources Corp.
    UrAsia Energy Ltd.                      Dejour Enterprises Ltd.
    Pacifica Resources Ltd.                 Canoro Resources Ltd.
    Hathor Exploration Limited              Rolling Thunder Exploration Ltd.
    Goldmarca Limited                       Orca Exploration Group Inc.
    Brilliant Mining Corp.                  RSX Energy Inc.

    Technology                              Life Sciences

    Versatile Systems Inc.                  Neptune Technologies &
    WebTech Wireless Inc.                   Bioressources Inc.
    TransGaming Inc.                        InNexus Biotechnology Inc.
    D-Box Technologies Inc.                 Amorfix Life Sciences Ltd.
    Bluepoint Data Storage, Inc.            Response Biomedical Corp.
    Sangoma Technologies Corporation        ORTHOsoft Inc.
    Immersive Media Corp.                   IRI Separation Technologies Inc.
    Zaio Corporation                        Covalon Technologies Ltd.
    Dynasty Gaming Inc.                     The Medipattern Corporation
    DEQ Systems Corp.                       Burcon NutraScience Corporation
                                            Pyng Medical Corp.

    Diversified Industries

    Longview Capital Partners Inc.
    Hy-Drive Technologies Ltd.
    Crossfire Holdings Inc.
    Raymor Industries Inc.
    Sigma Ventures Inc.
    SmartCool Systems Inc.
    BioteQ Environmental Technologies Inc.
    Aeroquest International Limited
    VendTek Systems Inc.
    Skana Capital Corp.


    TSX Group Market Opening
    ------------------------
    TSX Venture Exchange officials, along with selected TSX Venture 50
issuers, will open trading on Thursday, June 21 2007. Executives from the
issues along with TSX Venture Exchange President Kevan Cowan will be available
to speak to media before this event.

    When:  Thursday June 21, 2007, 8:45-10:00AM (Market Opening at 9:30 a.m.)

    Where: TSX Broadcast Centre, 130 King Street West, Toronto.Television Editors
    ------------------
    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 TSX and sent live to the TOC. The client moves 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 TSX Group Inc. (TSX-X)
    ----------------------------
    TSX Group operates Canada's two national stock exchanges, Toronto Stock
Exchange serving the senior equity market and TSX Venture Exchange serving the
public venture equity market, Natural Gas Exchange (NGX), a leading North
American exchange for the trading and clearing of natural gas and electricity
contracts and Shorcan Brokers Limited, the country's first fixed income
inter-dealer broker. TSX Group also owns The Equicom Group Inc., a leading
provider of investor relations and related corporate communication services in
Canada. TSX Group is headquartered in Toronto and maintains offices in
Montreal, Winnipeg, Calgary and Vancouver.




For further information: Steve Kee, Director, Corporate Communications,
TSX Group Inc., Toronto Office, (416) 947-4682, Toll Free 1-888-873-8392,
Cellular (416) 358-3714, Vancouver Office (604) 602-6902, Calgary Office (403)
218-2892, steve.kee@tsx.com