Recommended Cash Acquisition of Capricorn Energy plc

Not for release, publication or distribution, in whole or in part, directly or indirectly in, into or from any jurisdiction where to do so would constitute a violation of the relevant laws of such jurisdiction

Oslo, 1 September 2026 - DNO ASA, the Norwegian oil and gas operator, announces the recommended cash acquisition of Capricorn Energy plc.

Please find attached the full announcement regarding the recommended cash acquisition of Capricorn Energy plc referred to therein.

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For further information, please contact: Media: media@dno.no Investors: investor.relations@dno.no

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DNO ASA is a Norwegian oil and gas operator active in the North Sea, the Middle East and West Africa. Founded in 1971, DNO is Norway's oldest oil company and the first to list on the Oslo Stock Exchange in 1981. The Company holds stakes in onshore and offshore licenses at various stages of exploration, development and production in Norway, the Kurdistan region of Iraq, the United Kingdom, Côte d'Ivoire and Yemen. More information is available at www.dno.no.

This announcement 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 announcement was published by Jostein Løvås, Communication Manager DNO ASA, at the date and time set out above.