computacenter plc said friday that adjusted pretax profit for the first quarter was ahead on year but that it is likely to be behind the previous year after the first half due to a challenging comparator and the seasonality of the business the british informationtechnology group said adjusted pretax profitwhich strips out exceptional and other oneoff itemswas modestly ahead due to a very large volume customer that diluted the overall margin as well as the removal of lockdown measures the company said it is confident 2022 will be a year of further progress and it remains on track for the year it warned that it is affected by wage inflation and supplychain shortages