Dolphin Drilling AS - UK Legacy tax case – permission to appeal to Supreme Court granted

Oslo, 13 May 2024 Dolphin Drilling AS (the "Company") (ticker code: DDRIL), further to the Company’s market update of 11 January 2024, in which the Company reported on a judgment of the English Court of Appeal in respect of a legacy tax case, the Company is pleased to report that it has today been informed that the UK Supreme Court has granted permission to the Company to proceed with an appeal against the said judgement.

The hearing of the appeal by the UK Supreme Court has yet to be scheduled and would be anticipated during 2025.

The Company shall continue to update the market in connection with the progress of the appeal.

For further information, please contact:

Ingolf Gillesdal, email: ingolf.gillesdal@dolphindrilling.com, tel: +47 920 45 320