Subsea 7 — M&A Activity 2023

May 2, 2023

Subsea7 awarded project offshore US Gulf of Mexico

Subsea7 awarded project offshore US Gulf of Mexico

Luxembourg - 2 May 2023 - Subsea 7 S.A. (Oslo Børs: SUBC, ADR: SUBCY) today

announced an award by LLOG Exploration Offshore, LLC as project manager for the

Salamanca development project, which includes the Leon and Castile fields, in

the US Gulf of Mexico. The award is defined as sizeable(1).

The contract scope includes the installation of three infield subsea pipeline

systems, as well as the design and fabrication of subsea structures. Subsea

development will consist of two pipeline systems for the Leon field, located in

Keathley Canyon 686, and one pipeline system for the Castile field, located in

Keathley Canyon 736. The infield pipelines will produce and flow from wellsite

PLETs to the Salamanca FPS in water depths ranging from 1,800 to 2,000 metres.

Additionally, the scope includes the installation of oil and gas export

pipelines which depart from the Salamanca FPS and tie into existing pipeline

transport systems approximately 48 kilometres away.

Project management and engineering will commence immediately at Subsea7's office

in Houston, Texas, with offshore activity expected to begin in 2024.

Craig Broussard, Vice President for Subsea7 US said: "We are excited about the

opportunity to work closely and openly with LLOG on this fast-paced, greenfield

development. Our strengths as a collaborative partner and the versatility of our

fleet will be instrumental in ensuring predictable, safe, and timely project

delivery."

((1) )Subsea7 defines a sizeable contract as being between USD 50 million and

USD 150 million.

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Subsea7 creates sustainable value by delivering the offshore energy transition

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 (mailto:ir@subsea7.com)

Contact for media enquiries:

Ashley Shearer

Senior Communications Advisor

Tel +1-713-300-6792

ashley.shearer@subsea7.com (mailto:ashley.shearer@subsea7.com)

www.subsea7.com

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 considered to be inside information pursuant to the EU

Market Abuse Regulation and is subject to the disclosure requirements pursuant

to Section 5-12 the Norwegian Securities Trading Act.