Toronto, ON. (September 22, 2008) – GMP Capital Trust (the “Fund”) announced today a monthly cash distribution of $0.1042 per unit for the month of September 2008 to be paid on October 20, 2008, to unitholders of record as of September 30, 2008. A cash distribution of $0.1042 per unit for the month of September 2008 to be paid on October 20, 2008, was also declared to holders of the Class B limited partner units of Griffiths McBurney L.P.