Order of dual fuelled PSVs

Siem Offshore has entered into shipbuilding-contracts with Remontowa Shipbuilding S.A. in Poland for four (4) dual fuelled Platform Supply Vessels ("PSVs").

The vessels shall be of VS 4411 DF design. Siem Offshore has currently two vessels of similar design under construction for delivery in 2014 and 2015, and these vessels are contracted long-term with TOTAL E&P NORGE AS and AS Norske Shell respectively.

The vessels shall have dual fuel systems for the use of either LNG or Marine Diesel Oil. This new series of PSVs for Siem Offshore represents the latest technology within dual fuelled systems and hull design, to the benefit of lower fuel consumption, lower fuel cost, lower emissions and a better environment.

The vessels shall be built to meet the highest requirements for operations on the Norwegian Continental Shelf and are also suited for operations in other geographical areas. The vessels shall have an overall length of 89 meters, a beam of 19 meters, a deck area of 970 m2 and with a capacity of 5,500 dwt. The vessels are equipped with high power supply and offer excellent station keeping and the highest redundancy capacity.

In addition to ordinary class notations for PSVs, the vessels shall be built with equipment and class notations for Fire Fighting (Fi-Fi II), Oil Spill Recovery in Emergency Situations (Oilrec) and

according to NOFO guidelines, Rescue and Standby Services to Offshore Installations (Standby Vessel) for up to 300 persons, and Safe Hose Operation System (SHOS). The vessels shall be built in accordance with Clean Design and Comfort Class criteria and shall be prepared for a second fast rescue craft (FRC).

The vessels have scheduled deliveries from third quarter 2015 to second quarter 2016.