Greek shipowner Okeanis Eco Tankers (OET) has increased its spot VLCC exposure ahead of what it expects will be a dramatic recovery in the winter.

The Oslo-listed company has struck a deal to swap time charters with leading international energy and oil companies on the 319,000-dwt Nissos Keros and Nissos Donoussa (both built 2019), which will be free to capitalise on rate rises.