Jet engine maker Rolls Royce Holding PLC (LON:RR.) forecast no short-term hit from the outcome of the UK referendum but said the longer-term impact was uncertain.
Rolls said last week's decision would have no immediate impact on its day-to-day business, although the outcome was not one it would have chosen.
It said the medium and long-term effect would depend on the relationships established between the UK, the EU and the rest of the world in the coming years.
Rolls has launched a shake-up to help it cope with a downturn in its civil aerospace and marine businesses.
Lucrative aerospace after-sales repair and maintenance business has dropped off and marine power markets have declined.
The problems sparked several profit warnings and the departure of John Rishton as chief executive in April last year.
His successor, Warren East, has launched a restructuring drive involving cutting thousands of jobs and removing layers of senior management.
Rolls said there had been no change to its outlook, overall trading in the first five months of the year broadly met expectations and the outlook for the year as a whole was unchanged.
It expects first-half underlying pre-tax profit before financing charges to be close to break-even, with performance significantly weighted towards the second half.
That reflected the previously identified headwinds expected in 2016 and the resulting lower level of overall performance compared to the prior year.
The second half outlook reflects increased large engine deliveries, good underlying growth in aftermarket revenues and expected incremental benefits from ongoing restructuring programmes.
It reported good progress in those and said it was well on track to achieve expected cost savings in 2016 and 2017.
It added that exchange rate volatility should improve underlying revenues by around £400mln and improve underlying pre-tax profit by about £40mln, provided rates for the full year remain at average levels in the first five months of 2016.