Subsea 7

M&A Activity • May 21, 2025

Subsea7 awarded contract offshore West Africa

Luxembourg – 21 May 2025 - Subsea 7 S.A. (Oslo Børs: SUBC, ADR: SUBCY) today announced the award of a sizeable² subsea contract in West Africa.

Subsea7 will be responsible for transporting and installing flexible pipelines, and associated subsea components for the connection of a floating production, storage and offloading (FPSO) vessel as well as the pre-laying activities for an upcoming drilling campaign.

Project management and engineering work will begin immediately at Subsea7's offices in Sutton, UK and Suresnes, France, and offshore activity is expected to start in 2026.

Jerome Perrin, Vice President Africa, Middle East, and Türkiye for Subsea7, said: "Our close and agile collaboration with our clients allows us to make possible cost-effective and reliable offshore solutions for their needs. We are pleased to be able to support this client in executing such a strategically important project in West Africa. "

No further details are disclosed at this time.

1. Subsea7 defines a sizeable contract as being between \$50 million and \$150 million

****************************************************************************************************************************************************************************** Subsea7 is a qlobal 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. ******************************************************************************************************************************************************************************

Contact for investment community enquiries:

Katherine Tonks Investor Relations Director Tel +44 20 8210 5568 ir@subsea7.com

Contact for media enquiries:

Alan Gorham Group Communications Manager Tel +44 1224 265750 communications@subsea7.com www.subsea7.com

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