Subsea 7

Report Publication Announcement • Oct 13, 2025

Subsea 7 S.A. Conference Call Notification Third Quarter 2025 Results

Luxembourg – 13 October 2025 – Subsea 7 S.A. (Oslo Børs: SUBC, ADR: SUBCY) will publish its third quarter 2025 results for the period ended 30 September 2025 on Thursday 20 November 2025 at 08:00 CET.

A conference call and simultaneous webcast for the investment community will be held on Thursday 20 November 2025 at 12:00 UK / 13:00 CET.

From 08:00 CET the results announcement and the presentation to be reviewed during the conference call and webcast will be available on the Subsea7 website: www.Subsea7.com

Conference call registration:

Phone: https://register-conf.media-server.com/register/BI0e0631b7e1de4c3eaf839db3bd00a6b6

Webcast: https://edge.media-server.com/mmc/p/8ghn7ef3/

Please note that questions can only be submitted from a phone line.

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Subsea7 creates sustainable value by delivering the offshore energy transition solutions the world needs.

Subsea7 is listed on the Oslo Børs (SUBC), ISIN LU0075646355, LEI 222100AIF0CBCY80AH62.

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Contact for investor enquiries:

Katherine Tonks Head of Investor Relations Subsea 7 S.A. Tel +44 20 8210 5568 ir@subsea7.com www.subsea7.com