Sif Holding N.V.

Environmental & Social Information • Apr 18, 2025

18 April 2025 Roermond, the Netherlands

Arendonk, Belgium

Offshore construction activities on Empire Wind 1 suspended

Sif continues manufacturing of foundations

Empire Offshore Wind LLC has contracted Sif for the supply of 54 monopiles and transition pieces to form the Empire Offshore Wind farm 1. The first monopile was completed in November 2024 and recently the first six of 54 foundations have departed Rotterdam for transit to New York.

On 17 April, Empire Offshore Wind LLC has informed Sif and the market that it will halt offshore construction in waters of the outer continental shelf for the Empire Wind project following a notification from the Bureau of Ocean Energy Management (BOEM).

Equinor's press release: Equinor suspends offshore construction activities for the Empire Wind project

Sif will continue to manufacture foundations for Empire Offshore Wind LLC according to the contract. Sif and the Empire Wind 1 project team will continue the pragmatic and constructive partnership cooperation on this project and dialogue on effects of changes to the contract.

Sif Holding N.V.
Fons van Lith
+31 (0)475 385 777 +31 (0)6 513 14952
f.vanlith@sif-group.com

About Empire Wind 1 Offshore Wind 1 refers to the Offshore Wind Farm in the state of New York. The federal lease for Empire Wind was signed with the US Administration in 2017. Empire Wind 1 has validly secured all necessary federal and state permits and is currently under construction. The project is being developed under contract with New York State Energy Research and Development Authority (NYSERDA) to provide an important new source of electricity for the State of New York. The construction phase has put more than 1,500 people to work in the US. Empire wind 1 has the potential to power 500,000 New York homes. Equinor's ownership to Empire is held through the Equinor Wind US LLC.

About Sif Holding Sif supports and accelerates the growth of offshore wind power generation as a key driver to the energy transition by offering total solutions for the design and production of foundations for offshore wind farms, including logistics services and marshalling. Sif traditionally serves the markets of Northwestern Europe and is working on a global presence. Sif combines two highly automated and flexible production facilities in Roermond and Rotterdam (Second Maasvlakte) with technological leadership in the field of rolling and welding of heavy steel plates, based on 75 years of experience and innovative self developed techniques and processes. Sif mainly produces monopiles, transition parts and piles with which jacket foundations for wind turbines can be anchored in the seabed.