AET, the wholly owned subsidiary of MISC, has signed a contract with Samsung Heavy Industries to purchase four Suezmax tankers for $271m.

The 158,500dwt vessels will cost about $68m each.

The vessels, to be built at Samsung’s Geoje shipyard in Korea, are scheduled to be delivered between April and October 2012, according to

The contract brings the Malaysian shipping company’s order book to 17 vessels and includes ten Aframax tankers and three product tankers.