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.