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

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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
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affect  future operations  of the  Group are  described in the 'Risk Management'
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Factors that may cause actual and future results and trends to differ materially
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ability  to deliver fixed price projects  in accordance with client expectations
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