Borr Drilling confirms that an incident occurred at approximately 20:37 local time on October 24, 2026 involving the Prospector 5 drilling rig while conducting jacking operations offshore Gabon in preparation for a planned drilling campaign. The Prospector 5 is owned and operated by Borr Drilling and is contracted to support BW Energy’s drilling operations offshore Gabon. Preliminary information indicates that the rig experienced a punch through event during preload activities, resulting in loss of stability and the subsequent sinking of the rig.

Borr Drilling’s onshore emergency response team has been activated, and we are working with local authorities and our customer, BW Energy, to respond to the incident, support those affected, and search for missing personnel. At the time of the incident, there were 115 personnel onboard the rig. A total of 110 individuals have been safely accounted for. Five individuals remain unaccounted for, with extensive search and rescue operations ongoing.

Of the 115 personnel on board, 110 are safe and accounted for. Search and rescue operations are ongoing for the five individuals who remain unaccounted for. The Company is in contact with the families of the missing personnel.

The 110 personnel accounted for are being brought ashore in Gabon, where care and support is being provided.

Borr Drilling’s onshore emergency response team continues to work with local authorities and our customer, to respond to the incident, support those affected and to continue to search for missing personnel. Extensive marine and air search and rescue operations remain ongoing.

The Company is working with its partners and authorities to ensure a robust investigation is carried out into the cause of the incident; however, the immediate and overriding priority remains the ongoing search and rescue efforts and doing everything possible to assist the authorities and specialists leading these operations to locate the missing individuals and support those safely accounted for.

Borr Drilling’s immediate and overriding priority is the safety and wellbeing of all personnel affected by this incident. Family members whom are still seeking information or assistance may contact the team at +44 (0)1224 087026.

Bruno Morand CEO of Borr Drilling said:

“We are deeply concerned for those who remain unaccounted for and everyone affected by this incident. Our immediate priority is supporting the ongoing search and rescue efforts and the welfare of all personnel involved.”