Last day of offer period for the voluntary exchange offer by Subsea 7 S.A. to acquire all shares in Seaway 7 ASA

Luxembourg - 14 April 2023 - Subsea 7 S.A. (Oslo Børs: SUBC, ADR: SUBCY) refers
to the offer document dated 13 March 2023 (the "Offer Document") for the
voluntary exchange offer (the "Offer") by Subsea 7 S.A. (the "Offeror") to
acquire all shares in Seaway 7 ASA ("Seaway7") in accordance with a 1 to 22
exchange ratio, i.e. 1 new Subsea7 share for every 22 Seaway7 shares, rounded
down to the nearest whole Subsea7 share (the "Consideration Shares"). Any
entitlement to fractional shares will be compensated in cash.

The acceptance period for the Offer will expire at 16:30 hours (CEST) today, 14
April 2023. Shareholders of Seaway7 who want to accept the Offer must fill out
and return the acceptance form, which is included in the Offer Document, to
Fearnley Securities, acting as the receiving agent for the Offer, before expiry
of the offer period.

For more information, please refer to the Offer Document dated 13 March 2023,
prepared by the Offeror in connection with the Offer. The Offer Document is
available, subject to regulatory restrictions in certain jurisdictions, at the
website of Fearnley Securities
(https://research.fearnleysecurities.no/transactions/).

Fearnley Securities AS is acting as receiving agent and Advokatfirmaet Wiersholm
AS is acting as legal advisor to Subsea7. Wikborg Rein Advokatfirma AS is acting
as legal advisor to Seaway7.

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Subsea7 is a global leader in the delivery of offshore projects and services for
the evolving energy industry. We create 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 [phone]
[e-mail]

Forward-Looking Statements: This announcement 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; and (xvii) 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 announcement. 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 information is subject to the disclosure requirements pursuant to Section
5-12 in the Norwegian Securities Trading Act.

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