TSX Group To Announce Financial Results For 2007 Q3 On Wednesday, October 31, 2007

TSX Group Inc. will release its financial results for the third- quarter 2007 on Wednesday, October 31, 2007, followed by a conference call at 5 p.m. (Eastern Time) to review the results.

Phone numbers for the live call are:
416-644-3420 and 1-800-732-9303

Richard Nesbitt, Chief Executive Officer, and Michael Ptasznik, Chief Financial Officer will participate in the call. An audio replay of the conference call will be available at 416-640-1917 and 1-877-289-8525, pass code 21249061#.

The audio web cast of the conference call will also be available on TSX Group’s website at www.tsx.com, under Investor Relations.

WHO: Richard Nesbitt, Chief Executive Officer, TSX Group
Michael Ptasznik, Chief Financial Officer, TSX Group
Paul Malcolmson, Director, Investor & Public Relations, TSX Group

WHAT: Third quarter financial results for 2007

WHEN: Wednesday, October 31, 2007, 5 p.m. (ET)

HOW: Phone numbers for the live call are: 416-644-3420 and 1-800-732-9303

Webcast at www.tsx.com under Investor Relations