Luxembourg  - 21 May  2025 - Subsea  7 S.A. (Oslo  Børs: SUBC, ADR: SUBCY) today
announced the award of a sizeable(1) subsea contract in West Africa.

Subsea7  will be responsible for transporting and installing flexible pipelines,
umbilicals,  and associated subsea  components for the  connection of a floating
production,  storage  and  offloading  (FPSO)  vessel  as well as the pre-laying
activities for an upcoming drilling campaign.

Project  management  and  engineering  work  will begin immediately at Subsea7's
offices in Sutton, UK and Suresnes, France, and offshore activity is expected to
start in 2026.

Jerome  Perrin, Vice  President Africa,  Middle East,  and Türkiye  for Subsea7,
said:  "Our close  and agile  collaboration with  our clients  allows us to make
possible  cost-effective and reliable offshore solutions for their needs. We are
pleased  to be  able to  support this  client in  executing such a strategically
important project in West Africa. "

No further details are disclosed at this time.

 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:
Alan Gorham
Group Communications Manager
Tel +44 1224 265750
communications@subsea7.com
www.subsea7.com

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