Hopes that contractor Interserve's second half would see a major uplift did not materialise as profits for 2010 fell to £64m from £80m. Revenue fell to £1.87bn from £1.91bn.Interserve added that overall trading conditions in 2011 will be stable compared with 2010 and will show similar seasonality. The dividend for the year is 18p, up 3%.Shopping trolley designer Supercart cut losses to £541,000 from £2.27m in 2010 as revenues rose 21% to £8.9m. A strong performance in North America was the highlight of the year, the firm said. Oil explorer Empyrean has received an independent survey of its Sugarloaf project from by Netherland Sewell & Associates. Total proved (1P) reserves are estimated at 608,050 bbls of crude oil condensate, 2.72bn cubic feet with an NPV of $24.6m. Total proved plus probable (2P) reserves are 1,324,014 bbls of crude oil condensate, 5.98 Bcf of natural gas net to Empyrean and NPV of $46.7m.