Subsea 7 S.A. notification of major holding

28 Jun 2024 19:26 CEST

Luxembourg - 28 June 2024 - Subsea 7 S.A. (Oslo Børs: SUBC, ADR: SUBCY) today
announced that, on 28 June 2024, Barclays Capital Securities Limited(1) informed
the Company that it had crossed thresholds provided for by Luxembourg's
Transparency Law of 11 January 2008 on transparency requirements for issuers of
securities as amended (the "Transparency Law") as follows:

* On 24 June 2024 the total number of voting rights in the Company according
to Article 8 and 9 of the Transparency Law attached to shares was 261,587
* On 24 June 2024 the total number of voting rights in the Company attached to
financial instruments with similar economic effect according to Article 12
(1) (a) of the Transparency Law (right to recall) was 14,403,937
* On 24 June 2024 the total number of voting rights in the Company attached to
financial instruments with similar economic effect according to Article 12
(1) (b) of the Transparency Law (swaps) was 673,951
* When combined, the above positions equated to 5.04% of voting rights of
Subsea 7 S.A on 24 June 2024.

A copy of the notifications received from Barclays is available on the Subsea7
website www.subsea7.com (http://www.subsea7.com).

(1) A wholly-owned subsidiary of Barclays Plc

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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

This information is subject to the disclosure requirements pursuant to Section
5-12 the Norwegian Securities Trading Act.

This stock exchange release was published by Katherine Tonks, Investor
Relations, Subsea7, on 28 June 19:30 CET

More information:
Access the news on Oslo Bors NewsWeb site

622758_SUBC major shareholding disclosure 28 June 2024.pdf
622758_SUBC Barclays Notification 28 June 2024.pdf