GulfMark Offshore plans to raise $150 million

NOVEMBER 30, 2012 — GulfMark Offshore, Inc. (NYSE:GLF) announced today that, subject to market conditions, it intends to offer $150 million in aggregate principal amount of its 6.375% Senior Notes due 2022 for sale in a private offering. The notes will have substantially the same terms as the $300 million aggregate principal amount of 6.375% Senior Notes due 2022 issued by GulfMark in March 2012.

GulfMark intends to use the net proceeds from the notes offering to repay certain existing credit facilities and for general corporate purposes, including to fund vessel construction costs.

GulfMark’s shipbuilding orderbook includes two 271 ft PSVs on order at Thoma-Sea Marine and two 286 ft PSVs on order at BAE Systems, Mobile,