In a statement the New York-quoted owner said the duo will be built by Hyundai Mipo Dockyards and cost $51m a piece.
The company, which is based in London, also pointed out that the 22,000-cbm vessels are scheduled to hit the water in the first-quarter of 2017.
"These two LPG vessels will operate on agreed time charters for an initial term of five years from delivery, with a charterer's option, exercisable prior to the delivery of the vessels, to extend the term for an additional five years,” the operator continued, adding:
“The vessels will be built with the latest maritime technologies, maximum cargo capacities and fuel efficiencies as well as technical specifications which are unavailable on much of our existing fleet, and required...