Luxembourg - 1 December 2025 - Subsea 7 S.A. (Oslo Børs: SUBC, ADR: SUBCY) today
announced  the  award  of  a  sizeable(1)  contract  by  Ithaca  Energy, for the
provision  of off-station decommissioning services for the Alba Floating Storage
Unit  and  Greater  Stella  field  FPF-1 production facility, approximately 230
kilometres east of Aberdeen.

This  decommissioning  scope  includes  the  flushing  of  the subsea pipelines,
provision of diver support vessel services, and seabed clearance.

Project management and engineering will commence immediately at Subsea7's office
in Aberdeen. Offshore activities are scheduled to commence in Q2 2026.

Hani  El Kurd,  Senior Vice  President of  UK and  Global Inspection, Repair and
Maintenance,  Subsea7, said:  "This award  provides an  excellent opportunity to
further  demonstrate  the  extent  of  our  three  decades  of full-field proven
decommissioning  expertise and  our capability  in delivering  complex, safe and
effective  solutions.  Subsea7  is  proud  of its longstanding relationship with
Ithaca  Energy, which began in 2008, and  looks forward to collaborating closely
throughout  this  project  to  combine  our  expertise and ensure its successful
delivery."

 1. Subsea7 defines a sizeable contract as being between $50 million and $150
    million

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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:
Michelle Wainwright

UK & Global IRM Communications Manager
Tel +44 (0)7876778370
Michelle.wainwright@subsea7.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