(ShareCast News) - IT provider Computacenter posted a jump in interim pre-tax profit and said it expects its performance for the year to be slightly ahead of original expectations.For the six months ended 30 June, adjusted pre-tax profit rose 13.7% from the same period last year to £29.1m as it benefited from a £42.2m gain from the sale of its R.D Trading recycling business in February.Revenue nudged lower, however, to £1.44bn from £1.46 on the back of a weak euro.Computacenter lifted its interim dividend to 6.4p per share from 5.9p in the first half of 2014.Chief executive Mike Norris said: "Despite the significant headwinds created by a weak euro, the operating performance of the group remains in line with the board's original expectations for 2015."However, the group has additionally benefited from a number of one-off gains, which will not be repeated in either the second half of the year or during 2016."Norris said that as a result of the impact of these additional gains, he now anticipates that the company's 2015 adjusted profit performance will be slightly ahead of the board's original expectations.At 0844 BST, Computacenter shares were up 1.2% at 749.33p.