Toronto, ON. (November 6, 2008) – GMP Capital Trust (the “Fund”) reported revenue of
$74.8 million for the third quarter ended September 30, 2008, a decrease of 43% compared with the
same period a year ago, largely reflecting the challenging business environment currently facing all
financial services participants. The Fund recorded lower revenue in all of its business segments
during third quarter 2008 compared with record revenue generation by the Fund in the same period a
year ago. Net income was $6.9 million, down 82% compared with the same period in 2007.