KNOT Offshore Partners has secured a potential five-year charter for one of its shuttle tankers after its existing charterer opted not to extend the fixture.

The 152,268-dwt Anna Knutsen (built 2017) has now been fixed to an unnamed major oil company with the charter to start in the second quarter of 2022.

The charterer has an option to take the vessel for either one year, with options for four further one-year periods, or two years, with options to extend the charter by up to three further one-year periods.