TSX Group To Announce Financial Results For 2007 Q2 On Wednesday, July 25, 2007

TSX Group Inc. will release its financial results for the second-quarter 2007 on Wednesday, July 25, 2007, followed by a conference call at 5 p.m. (Eastern Daylight Time) to review the results.

Phone numbers for the live call are: 416-644-3414 and 1-800-733-7560

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 21238910#.

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