Montréal Exchange – Press Release

MX SHARES EXPECTED TO COMMENCE TRADING ON MARCH 27, 2007

Montréal, March 23, 2007 – Montréal Exchange Inc. (MX) today announced that it had filed and obtained a receipt from the Autorité des marchés financiers and the other Canadian Securities Administrators for a final non-offering prospectus relating to the previously announced listing of its 30,977,183 outstanding common shares on . MX’s final prospectus is now available on the SEDAR website at www.sedar.com, and on the MX website at www.m-x.ca.

The common shares of MX are expected to commence trading on the under the symbol “MXX” on March 27, 2007.

This press release shall not constitute an offer to sell or a solicitation of an offer to buy common shares of MX. The common shares have not been and will not be registered under the United States Securities Act of 1933, and may not be offered or sold in the United States absent registration or an applicable exemption from registration requirements.

About Montréal Exchange Inc. The Montréal 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 an MX proprietary suite of exchange technologies, known as SOLA®. The MX is a significant owner and the technical operator of the (BOX), a U.S. automated equity options market. The Montréal Climate Exchange (MCeX) – which aims to become the first regulated environment market in Canada – is a joint venture of the ® and the MX. For more information about the Montréal Exchange, please visit www.m-x.ca.

All statements, other than statements of historical facts, included in this news release are forward-looking statements or contain forward-looking information. The forward-looking statements and forward-looking information set forth above involve a number of risks and uncertainties that could cause actual results to differ materially from any such statement, including the risks and uncertainties discussed in MX’s non-offering prospectus dated March 23, 2007. The forward-looking statements speak only as of the date made, and MX expressly disclaims any intention or obligation to update or revise any forward-looking statements or forward-looking information, whether as a result of new information, future events or otherwise, except as may be required by applicable law.