TSX group

May 22, 2008

MAY 22, 2008 (TORONTO) -- Toronto Stock Exchange has halted trading in shares of BCE Inc. until further notice.

A trading message protocol issue this morning caused a service interruption in trading for approximately 45 minutes.

This issue has created some data integrity concerns and therefore the decision has been to halt trading in this issue.

We will update you when there are new developments.

About TSX Group Inc. (TSX-X)

TSX Group Inc. completed its business combination with Montréal Exchange Inc. on May 1, 2008 to form TMX Group⁽¹⁾, the leading integrated exchange group in Canada, operating markets for multiple asset classes. 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, Calgary and Vancouver.

(1) TSX Group is expected to change its name to TMX Group Inc. on June 11, 2008, subject to shareholder approval.

Corporate Communications, TSX Group Inc., Toll Free 1-888-873-8392, info@tsx.com.