Boskalis update on HAL offer

Papendrecht, 24 June 2022

Royal Boskalis Westminster N.V. (Boskalis) has taken note of the press release issued earlier today by HAL Holding N.V. (HAL) in which it formally announces the launch of its public offer for all issued and outstanding shares of Boskalis (the Offer). Reference is further made to HAL’s press release dated 10 March 2022 and Boskalis’ press releases dated 10 March 2022, 8 April 2022, 12 May 2022 and 3 June. The HAL press release can be found on: https://www.halholding.com/boskalis-offer.

Boskalis will shortly announce the date and publish the agenda of an Extraordinary General Meeting (EGM) of shareholders to be held in accordance with the provisions of the Dutch Decree on Public Takeovers. At this EGM, the Board of Management and the Supervisory Board of Boskalis will discuss the Offer including the financial and non-financial aspects. Boskalis will also publish its Position Statement regarding the Offer shortly.

FOR FURTHER INFORMATION

Investor relations:Martijn L.D. Schuttevâerir@boskalis.com

T +31 786969310

This is a Boskalis press release on the grounds of article 17 paragraph 1 of the European Market Abuse Regulation (596/2014). This press release does not constitute an offer, or any solicitation of any offer, to buy or subscribe for any securities of Royal Boskalis Westminster N.V.

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 core activities such as coastal defense, riverbank protection and land reclamation Boskalis is able to provide adaptive and mitigating solutions to combat the effects of climate change, such as extreme weather conditions and rising sea levels, as well as delivering solutions for the increasing need for space in coastal and delta regions across the world. The company facilitates the development of offshore energy infrastructure, including renewable wind energy. Boskalis is furthermore active in the construction and maintenance of ports, waterways, access channels and civil infrastructure, thus helping to facilitate trade flows and regional socio-economic development. In addition, Boskalis is a global marine salvage expert and has a number of strategic partnerships in harbor towage and terminal services (Keppel Smit Towage and Smit Lamnalco). With a versatile fleet of more than 600 vessels and floating equipment and more than 10,000 employees, including associates, Boskalis is creating new horizons around the world.

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

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