Toronto, ON. (August 24, 2010) – The Board of Directors of GMP Capital Inc. (the “Board”) (“GMP”) (TSX:
GMP) announced today that effective October 1, 2010, Kevin Sullivan will transition from his role as CEO
and assume the role of Deputy Chairman of GMP. In his new role, Kevin will spend his full-time efforts
on client focused initiatives, working on key strategic projects, mentoring GMP’s professionals and
increasing our brand awareness.