BW Energy: Drilling rig incident on the Dussafu licence

BW Energy confirms that an incident occurred on the Dussafu Marine licence in Gabon at 20:37 local time on Saturday, 24 October 2026, involving the jack-up drilling rig Prospector 5, owned and operated by Borr Drilling. During jacking operations in preparation for a planned drilling campaign, the rig experienced a loss of stability and subsequently sank.

At the time of the incident there were 115 people onboard the Prospector 5. A total of 110 have been safely accounted for while five remain missing. BW Energy's overriding priority is the safety of all personnel. The Company is supporting the ongoing search and rescue operations in close coordination with the drilling contractor Borr Drilling, relevant authorities and emergency responders.

Production at the MaBoMo facility is shut down in accordance with standard procedure during ongoing drilling preparations. There has been no reported damage to the facility or related equipment, nor any accidental discharge of harmful substances to the sea from the facility.

For further information, please contact media and IR Contact:

Martin Seland Simensen, VP Investor Relations

ir@bwenergy.no

About BW Energy BW Energy is a fast-growing independent oil and gas company creating value through low-risk, phased developments of proven offshore reservoirs, leveraging existing infrastructure and capital-efficient execution. The company owns and operates production, development and exploration assets in Gabon, Brazil and Namibia. Total net 2P reserves exceed 240 million barrels of oil equivalent, with a further 390 million barrels classified as 2C resources, providing a strong foundation to organically increase production from around 30 kbopd in 2025 to over 100 kbopd in 2028.

This information is subject to the disclosure requirements pursuant to section 5-12 of the Norwegian Securities Trading Act.