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Sealion Shipping Ltd is very pleased to announce that, on behalf of Toisa Ltd, an order has been placed with the Merwede Shipyard in the Netherlands for the construction of a new, DP 3, Construction Class, Saturation Diving Support Vessel.

The vessel is to be an enhanced sister vessel to the Toisa Proteus and she will enter service in March 2008. Designed to support world-wide offshore construction and diving operations, her outline specification will be

LOA 131.7 metres
Beam 22.0 metres
Depth 9.50 metres
Design Toisa P-Class
Class DNV
DP DNV / IMO Class 3
Flag British
Accommodation 199 beds
Deck Area Approx 1,500 m2
Cranes Huisman Mast type, Active Heave Compensated, 300 tonne with
2,000 metre subsea capability
: 1 x 10 tonne
Dive System Inbuilt 12 Man saturation Dive system, rated to 300 metre, three
chambers, three man single bell and 12 man Hyperbaric lifeboat
Helideck Rated for Super Puma (D-value 19.5 metres)
Propulsion 4-Engine Diesel Electric
Thrusters Bow - 2 x 1,335 Kw variable Pitch tunnel thrusters
- 1 x 1,200 kw retractable azimuthing thruster
Stern – 2 x 3,000 Kw Fixed Pitch Azimuthing
Speed 13.5 knots

This order further demonstrates our clear commitment to the future of the saturation Diving and deep water construction markets. These are markets in which we already operate a number of modern vessels but where we recognise that the future needs of our Charterers can not be fully met from the existing, but aging, world fleet.

As an enhanced sister vessel to the Toisa Proteus, but with a fully inbuilt saturation Diving System, this vessel can, and will, support a wide variety of subsea operations world-wide. Within the saturation diving market, the existing world fleet of such vessels averages over 20 years old. This order will provide the market with a DP3 vessel capable of meeting the higher and more demanding standards in safety, dynamic positioning operations, saturation diving and the use of environmentally sensitive vessels that can only be met by the introduction of new vessels.

The vessel has all the inherent flexibility in design of her previous sisters. Whilst it is intended that she be built with a 12 man single bell saturation system we are able to discuss the installation of larger, twin bell systems as may be required. Her under-deck configuration allows for a range of equipment to be installed whilst her large clear deck area provides scope for a range of other applications.

The increasing need for subsea construction vessels to accommodate large numbers of contractors personnel has also been addressed in designing the ship to accommodate up to 199 persons (excluding any divers in saturation) depending on the Charterers requirements

Sealion Shipping Ltd currently operates four existing saturation DSV’s within its modern fleet of nineteen various offshore support vessels. In addition Toisa has a further eight offshore support vessels under construction which will enter the Sealion fleet during 2006 and 2007, including our recent other DSV order from the Kleven Verft Yard in Norway

Full details of the Sealion Fleet can be found on our website at www.sealionshipping.co.uk and further details of this new order can be obtained from the Chartering Department at :

Sealion Shipping Ltd, Sealion House, The Courtyard, 17 West Street, Farnham, Surrey, GU9 7DR, England. Tel +44 (0)1252 737 773, Fax +44 (0)1252 737 773


Farnham UK 10th April 2006

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Sealion Shipping Limited

Sealion House, The Courtyard, 17 West Street, Farnham, Surrey GU9 7DR
Tel: +44 (0)1252 737773 Fax: +44 (0)1252 737770