Stampede Drilling Inc.TSXV: SDI

Montreal Exchange establishes all-time record for total monthly volume

· Issued by Stampede Drilling Inc.

MONTREAL, June 4 /CNW Telbec/ - Montreal Exchange (MX) (TSX: MXX) reported today that its trading volume for May 2007 reached 4,592,430 contracts, establishing a new record for total Exchange volume, exceeding previous record achieved in March 2007.

Average daily volume for the first five months of 2007 (January-May) reached 183,169 contracts, compared to 159,325 contracts for the same period in 2006, an increase of 15%.

Note: For more information, read MX Market Review at www-m-x.ca.

About Montreal Exchange Inc.

The Montreal Exchange (MX) is Canada's financial derivatives exchange. The 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, the Canadian Derivatives Clearing Corporation, fully owned by the MX. Our integrated trading and clearing services are supported by a proprietary suite of exchange technologies, known as SOLA(R). The MX also has interests in: the Boston Options Exchange (BOX), a U.S. automated equity options market, for which MX is the technical operator; the Canadian Resources Exchange (CAREX), a new corporation created with NYMEX that is dedicated to developing the Canadian energy market; and the Montreal Climate Exchange (MCeX), a joint venture with the Chicago Climate Exchange(R), that aims to become the first regulated environment market in Canada. For more information about the Montreal Exchange, please visit www.m-x.ca.