Key information relating to the proposed cash dividend to be paid by Subsea 7 S.A.

Luxembourg - 27 February 2025 - Subsea 7 S.A. (Oslo Børs: SUBC, ADR: SUBCY, the
Company) today announced that its Board of Directors will recommend to the
shareholders at the Annual General Meeting of the Company to be held on 8 May
2025 (the AGM) that a dividend of NOK 13.00 per share be paid, in two
instalments, equivalent to a total dividend of approximately USD 350 million.

Key information relating to the first instalment of the cash dividend to be paid
by Subsea 7 S.A.

* Dividend amount: 6.5 per share
* Announced currency: NOK
* Last day including right: 13 May 2025 for common shareholders / 14 May 2025
for ADR holders
* Ex-date: 14 May 2025 for common shareholders / 15 May 2025 for ADR holders
* Record date: 15 May 2025
* Payment date: 22 May 2025
* Approval date: the proposed cash dividend is subject to approval at the AGM

Key information relating to the second instalment of the cash dividend to be
paid by Subsea 7 S.A.

* Dividend amount: 6.5 per share
* Announced currency: NOK
* Last day including right: 28 October 2025 for common shareholders/ 29
October 2025 for ADR holders
* Ex-date: 29 October 2025 for common shareholders/ 30 October 2025 for ADR
holders
* Record date: 30 October 2025
* Payment date: 6 November 2025
* Approval date: the proposed cash dividend is subject to approval at the AGM

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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 enquiries:
Katherine Tonks
Investor Relations Director
Tel +44 20 8210 5568
ir@subsea7.com
www.subsea7.com

This information is published in accordance with the requirements of the
Continuing Obligations.

This stock exchange release was published by Katherine Tonks, Investor
Relations, Subsea7, on 27 February 2024 at 08:00 CET.