Boskalis Annual Report 2020

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FLEET DEVELOPMENTS To retain or expand our leading market position Boskalis invests in new-build and upgrading existing vessels. At the same time old or non-strategic vessels are taken out of service. The following major developments took place in 2020: Dredging At the end of the year, the new mega cutter suction dredger Krios was delivered. This sister vessel of our Helios also boasts a total installed power of 23,700 kW, a pumping capacity of 15,600 kW and a maximum cutter power of 7,000 kW. With these two new state-of-the-art mega cutters in its fleet, Boskalis decided to retire two old cutters. As part of the 2020-2022 business plan, Boskalis started the preparations for the development of two distinctive shallow- draught large trailing suction hopper dredgers. Offshore Energy The development of the new crane vessel Bokalift 2 continued at the shipyard Drydocks World in Dubai. The Bokalift 2 will be equipped with a crane with a lifting capacity of 4,000 tons and have a free deck space of 7,500 m², which makes the vessel perfectly suited to transport and install the 62 jacket foundations and pin piles for the Changfang and Xidao offshore windfarms in Taiwan. This will be the vessel’s first project after its expected commissioning at the end of 2021.

position and course of the vessel can be automatically controlled, which makes it perfectly suited for platform installation jobs that require extreme precision. One such project executed by the Forte is described on pages 22 and 23 of this annual report. Late 2020, the multi-purpose DP2 offshore construction vessel BOKA Tiamat was added to the Boskalis fleet under a long-term charter. The vessel is retrofitted with a 1,300 kW SeaQ Energy Storage System, which will reduce fuel consumption and emissions during offshore operations. The BOKA Tiamat will be deployed on offshore wind projects in Taiwan. Through the acquisition of Rever Offshore, Boskalis added two diving support vessels to its fleet of which one is fully owned (BOKA Polaris) and a second chartered (BOKA Topaz). The conversion by Gardline of an offshore vessel into an advanced geophysical survey vessel continued in 2020. The vessel named Ocean Resolution entered service in February 2021. Furthermore, as part of the business plan, Gardline will start the conversion of a second offshore vessel into a state-of- the-art survey vessel in 2021. RESEARCH AND DEVELOPMENT Boskalis’ Corporate R&D activities focus on creating added value for our clients and stakeholders and supporting our business growth. The R&D projects are linked to one or more of our three strategic pillars from the Corporate Business Plan: Focus, Sustainable Growth and Human Excellence.

The heavy transport vessel Forte was fitted out with a dynamic positioning (DP2) system in 2020. With the advanced system the

ANNUAL REPORT 2020 – BOSKALIS