Subsea 7

Regulatory Filings • Sep 14, 2025

Subsea7 awarded contract offshore Saudi Arabia

Luxembourg - 14 September 2025 - Subsea 7 S.A. (Oslo Børs: SUBC, ADR: SUBCY) today announced the award of a major2 project under the long-term agreement (LTA) with Aramco that relates to certain facilities located offshore Saudi Arabia.

The contract scope includes the engineering, procurement, construction, and installation (EPCI) of 106 kilometres of infield and export pipelines, modification to existing topsides, and associated hook-up activities. Project management and engineering work will begin immediately at Subsea7's offices in Saudi Arabia and the UAE. Offshore activities are scheduled for 2027 and 2028.

David Bertin, Senior Vice President for Subsea7 Global Projects Centre East, said: "This project marks another important milestone and reinforces our long-term strategic engagement with Aramco. We look forward to working closely with the client to deliver this project safely, efficiently, and to the highest standards."

1. Subsea7 defines a major contract as being between \$750 million and \$1.25 billion

****************************************************************************************************************************************************************************** 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:

Hariom Cavalcante Communications Manager Tel +33 7 66 12 48 80 hariom.cavalcante@subsea7.com www.subsea7.com

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