Fraport, which operates Germany's biggest airport in Frankfurt, warned Thursday that its passenger numbers would fall in 2016 as a result of terrorism fears.
As part of its quarterly results announcement Thursday, Fraport amended an earlier estimate that passenger numbers would rise by between 1 and 3 per cent in 2016. The group now forecasts a "slight reduction" in numbers this year.
Chief executive Stefan Schulte said that the drop in passenger numbers would not have an adverse impact on Fraport's revenue projections for 2016 because of the company's sale of its stake in the operator of the St Petersburg airport.
Fraport's second-quarter results showed its revenue dropping by 2 per cent to 652 million euros (726 million dollars) and its profits sag by 10 per cent to 79 million euros.
Brussels and Istanbul airports became the target of terrorist attacks on March 22 and July 28 respectively, resulting in dozens of casualties.