Subsea 7 S.A. - Fourth quarter 2025 earnings call notification

Luxembourg - 26 January 2026 - Subsea 7 S.A. (Oslo Børs: SUBC, ADR: SUBCY) will publish its fourth quarter 2025 results for the period ended 31 December 2025 on Thursday 26 February 2026 at 07:00 UK / 08:00 CET.

A conference call and simultaneous webcast for the investment community will be held on Thursday 26 February 2026 at 11:00 UK / 12:00 CET.

From 07:00 UK / 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 (https://www.subsea7.com/en/investors/results-reports- and-presentations.category1.html)

Conference call registration:

Phone:        https://register-conf.media- server.com/register/BI8af53d4dabbc4ad88582479f14519e6c Webcast:         https://edge.media-server.com/mmc/p/vb9jzg9r

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

******************************************************************************* 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 (http://www.subsea7.com)