Simon Group plc, which operates the Humber Sea Terminal (HST) and Port Sutton Bridge, has announced gross profits up 7.5% to £9.9m and a profit after tax increase to £3.5m from £0.5m a year earlier. A new agreement with Norfolkline BV commences this month, with a service between HST and Vlaardingen in the Netherlands to run for a minimum of five years. Simon is in the final stages of securing planning consent for a third phase of development at HST.