Ground engineering specialist Keller confirmed that it is on track to meet full year expectations. In its Interim Management Statement on 12 November, the group reported that both revenues and margins since the first half had been below the comparable period in 2008. 'Since then, overall market and trading conditions have remained largely unchanged. Accordingly, the board continues to expect that the full year results will be in line with market expectations,' the group said in a short statement today.Results for the financial year ending 31 December will be announced on 2 March 2010.