(Oslo, 25 August 2025) Dolphin Drilling AS (OSE: DDRIL, Dolphin Drilling) plan to publish its financial report for the first half of 2025 on Friday 29 August at 07.30 CET. The results will be presented on 29 August 2025 through an audiocast starting 15:00 CET. The presentation will be held by CEO Jon Oliver Bryce and CFO Ingolf Gillesdal.

Link to 1H audiocast:

https://edge.media-server.com/mmc/p/77c2yjmx

Participants may also visit the Investor Relations section of the Company's website at www.dolphindrilling.com and click on the link to "1H 2025 Investor Presentation Audiocast".

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 information that Dolphin Drilling is obliged to make public pursuant to the EU Market Abuse Regulation. The information was submitted for publication, through the agency of the contact persons set out above, at 2025-08-25 15:15 CEST.