AP Moller-Maersk is keeping its options open over the best way to separate its energy businesses, its chief executive says.

Soren Skou told Bloomberg last month that stock listings for the four arms of the newly formed unit was the most likely outcome.

Speaking to investors on a conference call today, Skou said sales, listings and mergers were all still potential outcomes for Maersk Tankers, Maersk Drilling, Maersk Oil and Maersk Supply Service.

“All