There is no danger of Russian charterer Sibur holding on to US owner Navigator Holdings’ LPG carriers if the petrochemicals giant were to be sanctioned, the shipping company has said.

Asked by Clarksons Platou Securities analyst Omar Nokta on a conference call if there was a risk the company would not get back the four vessels if sanctions tightened and the contracts became void, chief financial officer Niall Nolan said there was “no chance” of that happening.