Akastor ASA: Declaration of cash dividend

Fornebu, 13 May 2026 - Akastor ASA's (OSE: AKAST) board of directors has, based on the authorisation granted by the General Meeting on 14 April 2026, decided to pay a cash dividend to Akastor ASA's shareholders of NOK 1.5 per share (in total about NOK 410 million), based on the 2025 annual accounts. The distribution will be classified as a repayment of paid-in capital.

Key information relating to the dividend payment:

Cash dividend amount: 1.5 per share Declared currency: NOK Last day including rights: 15 May 2026 Ex-date: 18 May 2026 Record date: 19 May 2026 Payment date: on or about 21 May 2026 Date of approval: 12 May 2026

For further information, please contact: Øyvind Paaske Chief Financial Officer Tel: +47 917 59 705 oyvind.paaske@akastor.com

This information is subject to the disclosure requirements pursuant to Regulation EU 596/2014 (MAR) article 19, cf section 5-12 of the Norwegian securities trading act and contains information deemed to constitute inside information pursuant to MAR. This information is further published in accordance with the requirements of the Continuing Obligations of Euronext Oslo Børs.

This announcement was published by Jing Li Taklo, Head of Financial Reporting in Akastor ASA at 07:00 (CET) on 13 May 2026.

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Akastor is a Norway-based oil-services investment company with a portfolio of industrial holdings and other investments. The company has a flexible mandate for active ownership and long-term value creation.