Daewoo Shipbuilding & Marine Engineering Co. has won a $270 million order to build a liquefied natural gas carrier and refit three other LNG carriers for Exmar N.V. of Belgium. According to reports, Daewoo will deliver the vessels by 2005. The vessels are capable of carrying 4.83 million cubic feet of liquefied natural gas each and will be chartered to Houston, Texas-based El Paso Global LNG.