Company Presentation

Ålesund 18.05.2026

Golden Energy Offshore Services ASA (the “Company”, together with its consolidated subsidiaries, “the Group”) has today published an updated company presentation (the “Company Presentation”).

The Company Presentation includes selected preliminary unaudited financial information relating to the first quarter of 2026 and April 2026, and the Group's current pro forma financial position as of 11 May 2026. These figures are set out below and subject to change without further notice. The Group expects to publish its first quarter 2026 financial results on 29 May 2026.

Selected figures for Q1 2026: • Fleet utilisation: Approximately 84% • Average time charter equivalent (TCE): Approximately USD 12,300 per day

Selected figures for April 2026: • Fleet utilisation: Approximately 98% • Average time charter equivalent (TCE): Approximately USD 19,000 per day

Selected pro forma figure as of 11 May 2026, reflecting the completed sales of three vessels: • Outstanding debt: Approximately USD 46 million

The Company Presentation is attached hereto and available under the Investor section at www.geoff.no.

Contact:

Per Ivar Fagervoll CEO pif@geoff.no Mobile: + 47 974 28 884

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.

This information is subject to the disclosure requirements pursuant to the Norwegian Securities Trading Act section 5-12 and the Euronext Growth Rule Book part II. Forward-Looking Statements

This announcement and the Company Presentation contains several forward-looking statements relating to the business, future financial performance and results of the Company and/or the industry in which it operates. In particular, this announcement and the Company Presentation contains forward-looking statements such as with respect to the Company's potential future revenues and cash flows, the Company's equity and debt financing requirements and its ability to obtain financing in a timely manner and at favorable terms. Forward-looking statements concern future circumstances and results and other statements that are not historical facts, sometimes identified by the words “believes”, “expects”, “predicts”, “intends", "projects”, “plans”, “estimates”, “aims”, “foresees”, “anticipates”, “targets”, and similar expressions. The forward-looking statements contained in this announcement and the Company Presentation, including assumptions, opinions and views of the Company or cited from third party sources, are solely opinions and forecasts which are subject to risks, uncertainties and other factors that may cause actual events to differ materially from any anticipated development. None of the Company or any of its subsidiary undertakings or affiliates, or any directors, officers, employees, advisors or representatives provides any assurance that the assumptions underlying such forward-looking statements are free from errors nor do any of them accept any responsibility for the future accuracy of opinions expressed in the announcement and the Company Presentation or the actual occurrence of forecasted developments. All forward–looking statements attributable to the Company or persons acting on its behalf apply only as of the date of this announcement and are expressly qualified in their entirety by the cautionary statements included elsewhere in this announcement and the Company Presentation.