Boskalis acquires EUR 100 million offshore energy contracts

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Papendrecht, 21 December 2012

Royal Boskalis Westminster N.V. (Boskalis) has acquired two offshore energy-related contracts in
Scandinavia with a combined value of around EUR 100 million.

Boskalis Offshore has been awarded in joint venture a contract by the international energy company
Statoil for various rock installation works up to 600 meters water depth in the North Sea and the
Norwegian Sea. The work comprises preparing the seabed for the installation of pipelines and other
structures on the sea floor as well as the installation of post-lay rock berms. This will involve
the deployment of fallpipe vessels, including the Rockpiper, which are expected to process in
excess of four million tons of rock sourced from Norwegian quarries. Work is scheduled to commence
in 2013 and to be completed at the end of 2015.

In addition, Boskalis Offshore has been awarded a subsea contract for the Dan Bravo
Rationalisation (DABRAT) project for Maersk Oil in the Danish section of the North Sea. The
project involves both the preparation and construction work to the Dan A and Dan B offshore oil
production facilities. Two Diving Support Vessels, Protea and Constructor, will be deployed to
execute this subsea work. Depending on the water depth both saturation diving and air diving will
be used. In addition, various tasks will be executed using Remotely Operated Vehicles. The work
will take place in 2013 and 2014.

Boskalis' strategy is aimed at benefitting from key macro-economic factors which drive worldwide
demand in our markets: expansion of the global economy, increase in energy consumption, global
population growth and the challenges that go hand in hand with climate change. These projects are
closely related to the increasing energy consumption.

Royal Boskalis Westminster N.V. is a leading global services provider operating in the dredging,
maritime infrastructure and maritime services sectors. The company provides creative and
innovative all-round solutions to infrastructural challenges in the maritime, coastal and delta
regions of the world with the construction and maintenance of ports and waterways, land
reclamation, coastal defense and riverbank protection. In addition, Boskalis offers a wide variety
of marine services and contracting for the offshore energy sector including subsea, transport and
heavy lift (through Boskalis Offshore) and towage and salvage (through SMIT). It also has
strategic partnerships in the Middle East (Archirodon) and in terminal services (Smit Lamnalco).
With a versatile fleet of over 1,100 units Boskalis operates in around 75 countries across six
continents. Including its share in partnerships, Boskalis has approximately 14,000 employees.

This press release can also be found on our website www.boskalis.com http://www.boskalis.com .

For more information
Investor Relations:
Martijn L.D. Schuttevâer
ir@boskalis.com

Press:
Arno Schikker
press@boskalis.com

T +31 78 6969310
F +31 78 6969020
PDF version press release http://hugin.info/130721/R/1666877/541098.pdf
Image of Rockpiper http://hugin.info/130721/R/1666877/541108.jpg

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Source: Koninklijke Boskalis Westminster N.V. via Thomson Reuters ONE

HUG#1666877