Standard & Poor's Announces Changes in the S&P/TSX Venture Composite Index

    TORONTO, Sept. 7 /CNW/ - Standard & Poor's will make the following
changes in the S&P/TSX Venture Composite Index after the close of trading on
Friday, September 7, 2007:

    
    -  Jovian Capital Corporation (TSXVN:JVN) will be removed from the index.
       The company will graduate to trade on the TSX under the new ticker
       symbol "JOV."
    -  Rolling Thunder Exploration Ltd. (TSXVN:ROL.A) will be removed from
       the index. The company is being delisted from the TSX Venture Exchange
       having been acquired by Action Energy Inc. (TSXVN:AEC).
    -  Heartland Resources Inc. (TSXVN:HRI) will change its name to Ryland
       Oil Corporation. The company will trade under the new ticker symbol
       "RYD" and the new CUSIP number 78376R 10 2. There is no consolidation
       of capital.
    -  Centram Exploration Ltd. (TSXVN:CNA) will change its name to
       Pancontinental Uranium Corporation. The company will trade under the
       new ticker symbol "PUC" and the new CUSIP number 69834A 10 4. There is
       no consolidation of capital.
    

    Company additions to and deletions from an S&P equity index do not in any
way reflect an opinion on the investment merits of the company.

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For further information:

For further information: Tony North, (416) 507-3200,
sp_index@standardandpoors.com; Dave Guarino, (212) 438-1471,
dave_guarino@standardandpoors.com