Subsea 7

Subsea 7 S.A. notification of major holding

Luxembourg - 30 August 2024 - Subsea 7 S.A. (Oslo Børs: SUBC, ADR: SUBCY) today

announced that, on 29 August 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 26 August 2024 the total number of voting rights in the Company directly

and indirectly attached to shares according to Article 8 and 9 was 359,212

* On 26 August 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 14,669,064

* On 26 August 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 176,664

* When combined, the above positions equated to 5.03% of voting rights of

Subsea 7 S.A on 30 August 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

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 30 August at 09:30 CET

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