Subsea 7 - Major Shareholding Notification 2024

Subsea 7 S.A. notification of major holding

Luxembourg - 26 March 2024 - Subsea 7 S.A. (Oslo Børs: SUBC, ADR: SUBCY) today

announced that, on 26 March 2024, Barclays Capital Securities Limited(1)

informed the Company that it recently crossed above the 5% threshold (at 5.11%)

provided for by Luxembourg's Transparency Law of 11 January 2008 on transparency

requirements for issuers of securities as amended (the "Transparency Law").

* On 19 March 2024 the total number of voting rights in the Company according

to Article 8 and 9 of the Transparency Law attached to shares held by

Barclays was 2,272,013 representing 0.74% of the voting rights in the

Company

* On 19 March 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) were 12,487,791

representing 4.10% of the voting rights in the Company

* On 19 March 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) were 801,220 representing 0.26%

of the voting rights in the Company

A copy of the notification 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

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 26 March 2024 at 20:30 CET

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