Oslo, 5 December 2025: Reference is made to the stock exchange announcements made by Dolphin Drilling AS (the "Company") on 11 November 2025 regarding the private placement of 13,774,772,727 new shares in the Company, raising gross proceeds of NOK 151.5 million, equivalent to approximately USD 15 million (the "Private Placement"), and on 1 December 2025 regarding the Company's extraordinary general meeting resolving to, inter alia, approve the issuance of new shares in the Private Placement and grant an authorisation to the Board to issue new shares as compensation to the underwriters in the Private Placement.

The share capital increase pertaining to the issuance of new shares in connection with the Private Placement has been registered with the Norwegian Register of Business Enterprises:

Share capital: NOK 464,072,506.74
Total number of shares: 46,407,250,674
Par value of each share: NOK 0.01

For further information, please contact:

Ingolf Gillesdal, CFO
Tel: +47 920 45 320

Dolphin Drilling | www.dolphindrilling.com

About Dolphin Drilling AS:

Dolphin Drilling AS is an Oslo listed, Aberdeen head-quartered, company which owns and operates a fleet of harsh environment mid-water & deep-water semisubmersible drilling rigs, capable of working worldwide.

This information is subject to the disclosure requirements pursuant to Section 5-12 of the Norwegian Securities Trading Act and the Euronext Growth Rule Book Part II.