(Oslo, 23 June 2023) Briggs Drilling Holdings Limited AS (Briggs Drilling Holdings Limited, ticker: DDRIL) - An Extraordinary general meeting of Briggs Drilling Holdings Limited AS will be held on 30 June 2023 at 10:00 hours (CEST) as a physical meeting at the offices of Advokatfirmaet Schjødt AS in Tordenskiolds gate 12, 0160 Oslo.

The notice of the Extraordinary general meeting is attached to this release. The notice will be sent to all registered shareholders on 23 June 2023. The notice and all other documents to be treated at the Extraordinary general meeting will, on the same date, be available on Briggs Drilling Holdings Limited's website https://www.briggsdrillingholdings.com/investor-relations. To register your attendance or grant a proxy to vote for your shares, please follow the instructions set out in attached EGM notice.

We encourage shareholders to give proxy, or participate physically. If any shareholders would instead like to participate electronically, we ask that you press Enroll, and then send an e-mail to IR@briggsdrillingholdings.com within 28 June 2023 at 12:00 so that we can accommodate for this.

ENDS

For further information, please contact: Ingolf Gillesdal, Corporate Finance and Investor Relations, tel: +44 20 8133 0596

Briggs Drilling Holdings Limited | www.briggsdrillingholdings.com

Briggs Drilling Holdings Limited is a leading harsh environment drilling contractor for the offshore oil and gas industry. Briggs Drilling Holdings Limited owns a fleet of three high -technical standard 4[th] and 5[th] generation enhanced Aker H3 units, Borgland Dolphin, Blackford Dolphin, and Bideford Dolphin, operated by an experienced team with a strong operational track record. The company has offshore and onshore employees, and onshore locations in Norway, England, Brazil, Nigeria, and Mexico.