Oslo, 29 April 2024: Dolphin Drilling AS (the "Company") (ticker code: DDRIL) the Board of Directors has today approved the Annual Report for 2023 with an expected credit loss (“ECL”) against sums due from one customer of USD 42.6 million. The added ECL will result in a reported Net Loss for the year of USD 43.9 million and decrease the Company’s equity with USD 42.6 million versus numbers published in the preliminary results published on 26 February 26, 2024. The ECL is in line with information provided in trading update on 10 April 2024, related to uncertainty to the recovery of the Company’s outstanding accounts receivables. The Annual Report for 2023 will be published at 08:00 on 30 April 2024.

For further information, please contact:

Ingolf Gillesdal, Corporate Finance and Investor Relations, tel: +47 920 45 320

Dolphin Drilling | www.dolphindrilling.com

This information is considered to be inside information pursuant to the EU Market Abuse Regulation and is subject to the disclosure requirements pursuant to section 5-12 the Norwegian Securities Trading Act. This stock exchange announcement was published by Ingolf Gillesdal, VP Corporate Finance and Investor Relations Dolphin Drilling AS on 29 April 2024 at 18:10 CET.