TSX Group Labour Day Holiday Closings

Both Toronto Stock Exchange and TSX Venture Exchange will be closed for the Labour Day holiday on Monday, September 5, 2005. Both exchanges will re-open for business on Tuesday, September 6, 2005.

About TSX Group Inc. (TSX-X)
TSX Group Inc. (www.tsx.com) operates Canada's two largest national equities exchanges – Toronto Stock Exchange serving the senior equity market and TSX Venture Exchange serving the public venture capital market. Combined, these exchanges rank as the 7th largest in the world in terms of domestic market capitalization. TSX Group's equities exchanges are world leaders in mining and energy listings and financing. Through its TSX Markets division, TSX Group conducts trading operations for both equities exchanges and delivers innovative trading products and services and through its TSX Datalinx division, it distributes and markets real time, historical and quotation data generated by TSX Group and other markets including equities and fixed income. Through its TSX Technologies division, TSX Group provides technology support for internal customers and provides services and expertise to external customers. TSX Group operates Natural Gas Exchange (NGX), a Canadian electronic energy exchange which trades and clears natural gas and electricity contracts. TSX Group is headquartered in Toronto and has offices in Montreal, Winnipeg, Calgary and Vancouver.