qinetiq group plc said on thursday that it was experiencing technical and supply chain issues on a large program and that if this remained unmitigated it could result in a oneoff writedown to its shortterm guidance the londonlisted defense and security engineering company said that it was working closely with its customer and was making progress toward recovering the program and mitigating this risk to less than 15 million pounds 205 million the company said that in the medium to longterm it continued to target midsingle digit percentage compound annual organic revenue growth over the next five years with strategic acquisitions will enhancing this growth the company said that its performance in the half year ended sept 30 was in line with market consensus expectations subject to audit it added that its gbp700 million order intake for the period was 25 higher than in the first half of fiscal 2021 for the full year we expect to deliver midsingle digit organic revenue growth at around 5 and underlying operating profit margin at the lower end of our 11 to 12 expected range prior to any oneoff write down the company said