Dividends

TMX Group hereby advises that the dividend to be paid on TMX Group's common shares on Augst 31, 2007 to shareholders of record as of August 14, 2007 is an "eligible dividend" in accordance with the Canada Revenue Agency release dated December 20, 2006.

For more information regarding the designation of dividends, please refer to their release. Shareholders with questions regarding the tax treatment of dividends should consult with their own tax advisors or contact their local office of the Canada Revenue Agency and where applicable, the provincial taxation authorities.

Dividends adjusted to reflect two-for-one stock split in May, 2005