Luxembourg - 4 April 2025 - Subsea 7 S.A. (Oslo Børs: SUBC, ADR: SUBCY)
announced today the award of a sizeable(1) contract by Shell Offshore Inc. for
the Sparta deepwater development in the US.

The project involves the transportation and installation of a floating
production system (FPS) at Garden Banks block 959, which is located off the
southeastern coast of Louisiana at water depths of up to 1,635 metres.

Project management and engineering activities will begin immediately at
Subsea7's office in Houston, Texas, with offshore operations expected to start
in 2027.

Craig Broussard, Senior Vice President for Subsea7 Gulf of Mexico, said, "We are
proud to continue our collaboration with Shell in the US, building on past
projects, including the recent Vito development. We look forward to playing a
key role in the successful delivery of the Sparta project."

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

*******************************************************************************
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.

*******************************************************************************

Contact for investment community enquiries:
Katherine Tonks
Investor Relations Director
Tel +44 20 8210 5568
ir@subsea7.com

Contact for media enquiries:
Ashley Shearer
Communications Manager
Tel +1 713 300 6792
ashley.shearer@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