BORR · Borr Drilling provides a tragic update on the Prospector 5 rig incident…

Borr Drilling provides a tragic update on the Prospector 5 rig incident offshore Gabon: a fourth body has been recovered, search continues for one missing crew member, and an independent investigation has been commissioned. The filing does not contain any financial results, guidance, or operational data, it is a humanitarian and operational update only.

• Body of a fourth individual located and recovered from the Prospector 5 incident offshore Gabon.
• Search and rescue operations continue for one remaining unaccounted individual.
• Company engaged a globally recognized classification society to conduct an independent investigation into the root cause.
• Incident first announced on October 25, 2026; this is an update on search and investigation progress.