Borr Drilling Limited – Notification of PDMR Transaction

Hamilton, Bermuda, April 17, 2026 – Borr Drilling Limited (NYSE and Euronext Growth Oslo: BORR) (the "Company") has received a trade notification related to a transaction by Drew Holdings Ltd., a close associate of Mr. Tor Olav Trøim, Director of the Company and a person discharging managerial responsibilities (“PDMR”) in the Company. For further information, please see the transaction form enclosed with this announcement.

This information is subject to the disclosure requirements pursuant to MAR article 19 and Section 5-12 the Norwegian Securities Trading Act.

Questions should be directed to: Magnus Vaaler, CFO, +44 1224 289208