Update on Chief Executive Officer Transition

4 February 2025 - Further to the announcement on 5 December 2024 of Rahul Dhir's departure as Chief Executive Officer (CEO), Tullow Oil plc (Tullow) today confirms the appointment of Richard Miller as Interim Chief Executive Officer and Chief Financial Officer, effective on 14 February 2025. Rahul will step down from the Board on 14 February 2025, however, to ensure a smooth transition, Rahul will be available to the business until his notice period ends on 5 June 2025. The process to find a new permanent CEO is progressing well and the Board will provide further updates in due course.

Phuthuma Nhleko, Non-Executive Chairman, commented today:

"Once again, I would like to thank Rahul for his hard work and dedication to Tullow and we wish him every success in the future. He will forever be a friend of Tullow. The appointment of Richard on an interim basis allows Tullow to focus on the delivery of its near-term objectives and effect a smooth transition to a full time CEO in due course."

Rahul Dhir, Chief Executive Officer, commented today:

"It's been a privilege to serve Tullow and work with so many talented colleagues. With a strong pan-African platform and an improving balance sheet, Tullow is well-positioned as a trusted partner and responsible operator in Africa to deliver the next phase of growth."

Twitter: www.twitter.com/TullowOilplc

LinkedIn: www.linkedin.com/company/Tullow-Oil

ADDITIONAL INFORMATION

Details of the remuneration payments to be made to Mr Dhir will be included in the annual report and accounts in respect of the year ended 31 December 2025 to be published in 2026 and, in accordance with s430(2B) Companies Act 2006, will be made available on Tullow's website at the relevant time (www.tullowoil.com).