Largest shareholders initiate Strategic Review and Engagement of Financial Adviser

Ålesund, 18 May 2026

Clear Ocean Partners (“COP”) and Pelagic Partners (“Pelagic”), the two largest shareholders of Golden Energy Offshore Services ASA (the “Company”, together with its consolidated subsidiaries “the Group”), today announce that they have initiated a strategic review relating to their investment in the Company.

As part of the strategic review, COP and Pelagic will evaluate a broad range of options including potentially a sale of their shareholding in the Company and/or other strategic transactions.

In connection with the strategic review, COP and Pelagic have engaged Clarksons Securities AS as financial advisor and Wikborg Rein Advokatfirma AS as legal advisor.

There can be no assurance that the strategic review will result in any transaction or other outcome. COP and Pelagic undertake no obligation to provide further updates regarding the strategic review unless required pursuant to applicable law or regulation.

Contact:

For COP Jake Scott +1 203-644-5499 jscott@clearoceanpartners.com

For Pelagic Atef Abou-Merhi +357 25 584 600 atef@pelagic-partners.com

This information is considered to include inside information pursuant to the EU Market Abuse Regulation and is subject to the disclosure requirements pursuant to section 5-12 of the Norwegian Securities Trading Act. This stock exchange announcement was published by Per Ivar Fagervoll, CEO, on 18 May 2026, at 09:10 (CEST).

About Golden Energy Offshore Services ASA

The Group is an offshore service company based in Ålesund, Norway. The Company operates supply vessels to the offshore industry. The Group’s fleet is used within the Oil & Gas and Renewable Offshore industry. The Company is listed on Euronext Growth Oslo in Oslo Stock Exchange under the ticker 'GEOS'. For more information, please visit https://www.geoff.no/investors-geos.

Forward-Looking Statements

All statements in this press release other than statements of historical fact are forward-looking statements, which are subject to a number of risks, uncertainties and assumptions that are difficult to predict and are based upon assumptions as to future events that may not prove accurate. Actual results may differ materially from those expected or projected in the forward-looking statements. The Company undertakes no responsibility or obligation to update or alter forward-looking statements.