CIT Maritime Finance of the US will provide Tanker Solutions with a $55m loan towards the cost of the quartet, it said in a statement.
The duo have been tight-lipped about their activity since it first emerged they had teamed up last year.
However TradeWinds reported in May that Castlelake, which changed its name from TPG Credit Management in August, and Prime had jointly acquired the 73,000-dwt tanker Pike (ex-Starling, built 2008) for a reported $24m.
CIT
