Subsea 7

Regulatory Filings • Dec 8, 2025

Subsea7 awarded contract offshore for BC-Wind project in Poland

Subsea7 awarded contract offshore for BC-Wind project in Poland

Luxembourg - 8 December 2025 - Subsea 7 S.A. (Oslo Børs: SUBC, ADR: SUBCY) today

announced the award to Seaway7, part of the Subsea7 Group, of a sizeable

contract by Ocean Winds for the BC-Wind project.

The BC-Wind offshore site is located in the Baltic Sea, approx. 23 kilometres

off the Polish coast, and will comprise 26 wind turbine generators. Seaway7's

scope of work includes the transport and installation of 26 transition pieces

and an offshore substation with offshore activity expected to commence in 2027.

Stuart Fitzgerald, Seaway7's CEO, said: "We are looking forward to supporting

Ocean Winds on the BC-Wind project and being able to continue contributing to

the Polish offshore wind targets with our third contract award in this

market."

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Subsea7 is a global leader in the delivery of offshore projects and services for

the evolving energy industry, creating sustainable value by being the industry's

partner and employer of choice in delivering the efficient offshore solutions

the world needs.

Subsea7 is listed on the Oslo Børs (SUBC), ISIN LU0075646355, LEI

222100AIF0CBCY80AH62.

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Contact for investment community enquiries:

Katherine Tonks

Investor Relations Director

Tel +44 20 8210 5568

ir@subsea7.com

Contact for media enquiries:

Nikki Beales

Communications Manager

Tel +44 7843 895292

nikki.beales@seaway7.com

Forward-Looking Statements: This document may contain 'forward-looking

statements' (within the meaning of the safe harbour provisions of the U.S.

Private Securities Litigation Reform Act of 1995). These statements relate to

our current expectations, beliefs, intentions, assumptions or strategies

regarding the future and are subject to known and unknown risks that could cause

actual results, performance or events to differ materially from those expressed

or implied in these statements. Forward-looking statements may be identified by

the use of words such as 'anticipate', 'believe', 'estimate', 'expect',

'future', 'goal', 'intend', 'likely' 'may', 'plan', 'project', 'seek', 'should',

'strategy' 'will', and similar expressions. The principal risks which could

affect future operations of the Group are described in the 'Risk Management'

section of the Group's Annual Report and Consolidated Financial Statements.

Factors that may cause actual and future results and trends to differ materially

from our forward-looking statements include (but are not limited to): (i) our

ability to deliver fixed price projects in accordance with client expectations

and within the parameters of our bids, and to avoid cost overruns; (ii) our

ability to collect receivables, negotiate variation orders and collect the

related revenue; (iii) our ability to recover costs on significant projects;

(iv) capital expenditure by oil and gas companies, which is affected by

fluctuations in the price of, and demand for, crude oil and natural gas; (v)

unanticipated delays or cancellation of projects included in our backlog; (vi)

competition and price fluctuations in the markets and businesses in which we

operate; (vii) the loss of, or deterioration in our relationship with, any

significant clients; (viii) the outcome of legal proceedings or governmental

inquiries; (ix) uncertainties inherent in operating internationally, including

economic, political and social instability, boycotts or embargoes, labour

unrest, changes in foreign governmental regulations, corruption and currency

fluctuations; (x) the effects of a pandemic or epidemic or a natural disaster;

(xi) liability to third parties for the failure of our joint venture partners to

fulfil their obligations; (xii) changes in, or our failure to comply with,

applicable laws and regulations (including regulatory measures addressing

climate change); (xiii) operating hazards, including spills, environmental

damage, personal or property damage and business interruptions caused by adverse

weather; (xiv) equipment or mechanical failures, which could increase costs,

impair revenue and result in penalties for failure to meet project completion

requirements; (xv) the timely delivery of vessels on order and the timely

completion of ship conversion programmes; (xvi) our ability to keep pace with

technological changes and the impact of potential information technology, cyber

security or data security breaches; (xvii) global availability at scale and

commercially viability of suitable alternative vessel fuels; and (xviii) the

effectiveness of our disclosure controls and procedures and internal control

over financial reporting. Many of these factors are beyond our ability to

control or predict. Given these uncertainties, you should not place undue

reliance on the forward-looking statements. Each forward-looking statement

speaks only as of the date of this document. We undertake no obligation to

update publicly or revise any forward-looking statements, whether as a result of

new information, future events or otherwise.

This stock exchange release was published by Katherine Tonks, Investor

Relations, Subsea7, on 8 December 2025 at 14:10 CET.