Stampede Drilling Inc.TSXV: SDI

Media Advisory - Launch ceremony of the Montreal Climate Exchange - First regulated environmental market in Canada

· Issued by Stampede Drilling Inc.

MONTREAL, May 29 /CNW Telbec/ - The Montreal Exchange (MX) will launch the first public market for environmental products in Canada, the Montreal Climate Exchange (MCeX), on May 30, 2008.

The Montreal Exchange will be joined by Quebec Premier, Mr. Jean Charest; Quebec's Minister of Sustainable Development, Environment and Parks, Mrs. Line Beauchamp; Canada's Environment Minister, the Honourable John Baird; and the Minister of Public Works and Government Services Canada and Minister responsible for the region of Montreal, the Honourable Michael M Fortier. In addition, they will be joined by members of the business community.

The opening ceremony will feature a countdown leading to the opening of the market, at 9:30 a.m. precisely, and the listing on the market of the first Canadian carbon futures contract.

When :    Friday, May 30, 2008

Where :   Montreal Exchange - Exchange Tower, 800 Victoria Square,
          4th Floor

Time :    9:15 a.m. to 9:45 a.m. - Official market opening at 9:30 a.m.
          precisely


Guests of Honour:

          Mr. Jean Charest, Quebec Premier

          Mrs. Line Beauchamp, Quebec's Minister of Sustainable
          Development, Environment and Parks

          The Honourable John Baird, Canada's Environment Minister

          The Honourable Michael M Fortier, Minister of Public Works and
          Government Services Canada and Minister responsible for the
          region of Montreal


For the Montreal Climate Exchange:

          Mr. Luc Bertrand, President and Chief Executive Officer of the
          Montreal Exchange, Deputy CEO of the TMX Group and Chairman of
          the Board of MCeX

          Dr. Richard Sandor, Chairman and Founder of the Chicago Climate
          Exchange(R) (CCX), partner of the Montreal Exchange in the
          Montreal Climate Exchange and Vice-Chairman of the Board of
          MCeX

About the Montreal Climate Exchange

The Montreal Climate Exchange (MCeX), a joint venture of the Montreal Exchange and the Chicago Climate Exchange(R), a widely recognized leader in the design and operation of environmental markets in the United States and Europe, aims to establish the leading market for publicly traded environmental products in Canada.

About the Montreal Exchange

Since May 1st, 2008, the Montreal Exchange is part of TMX Group Inc.(1). TMX Group is the product of the business combination of TSX Group Inc. and Montreal Exchange Inc. TMX is the leading integrated exchange group in Canada, operating markets for multiple asset classes.

The Montreal Exchange (MX) is the Canadian derivatives exchange. MX offers trading in Canadian interest rate, index and equity derivatives. Clearing, settlement and risk management services are provided by an AA rated clearing house. MX has interests in: the Boston Options Exchange (BOX), a U.S. automated equity options market, the Canadian Resources Exchange (CAREX), a corporation dedicated to developing the Canadian energy market; and the Montreal Climate Exchange (MCeX), a joint venture with the Chicago Climate Exchange(R), which aims to establish the leading market for publicly traded environmental products in Canada.

(1) TSX Group is expected to change its name to TMX Group Inc. on June

11, 2008, subject to approval by shareholders