DNO ASA said its shares will trade ex-dividend effective Aug. 21, 2026, after the company declared a dividend of NOK 0.375 per share. The payment is expected on or about Sept. 1 to shareholders of record as of Aug. 24. DNO, founded in 1971, is Norway's oldest oil company and became the first to list on the Oslo Stock Exchange in 1981. It holds interests in exploration, development and production licenses in Norway, the Kurdistan region of Iraq, the United Kingdom, Côte d'Ivoire and Yemen. The announcement is subject to disclosure requirements under section 5-12 of the Norwegian Securities Trading Act and section 4.2.5.3 of Euronext Oslo Rulebook II.