(Oslo, 22 December 2023) Briggs Drilling Holdings Limited AS (Briggs Drilling Holdings Limited, OSE: DDRIL) announces a Letter of Intent (LOI) for a 500-day drilling campaign with an undisclosed operator in the UK.

Briggs Drilling Holdings Limited has signed an LOI for a 500-day drilling campaign in the UK for the semisubmersible rig Borgland Dolphin. The drilling campaign is planned to commence directly after the firm contract period with EnQuest Ltd, previously announced. The contract value includes an upfront cash payment and a fixed dayrate. With this announcement Borgland Briggs has backlog throughout 2025 and 2026, plus further options with schedule flexibility.

ENDS

For further information, please contact:

Ingolf Gillesdal, email: ingolf.gillesdal@briggsdrillingholdings.com, 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 4th and 5th 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 offices and operations in Norway, England, Brazil, and Nigeria.