TORONTO, ON. (October 12, 2011) — GMP Capital Inc. (“GMP”) (TSX: GMP) will release its third quarter
financial results on Friday, November 4, 2011. A conference call and live audio webcast to discuss
GMP’s third quarter results will be held that morning at 10:00 a.m. (ET). GMP executives will host the
call followed by a question-and-answer session for analysts and institutional investors.