TSX Group to announce Financial Results For Q4 And Full Year 2005 On February 1, 2006

TSX Group Inc. will release its financial results for the fourth quarter and full year 2005 on Wednesday, February 1, 2006, followed by a conference call at 5 p.m. (Eastern Standard Time) to review the results.

Phone numbers for the live call are:
416-644-3423 and 1-800-814-4862

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 or 1-877-289-8525, pass code 21171327#.

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 Relations, TSX Group WHAT: Fourth-quarter and full year financial results for 2005

WHEN: Wednesday, February 1, 2006, 5 p.m. (EST)

HOW: Phone numbers for the live call are: 416-644-3423 and 1-800-814-4862. Webcast at www.tsx.com under Investor Relations