TULLOW OIL PLC

NON-EXECUTIVE DIRECTOR EXTERNAL APPOINTMENT

7 March 2023 - Tullow Oil plc ("the Company") announces in accordance with LR 9.6.14 that Sheila Khama, a Non-Executive Director of the Company, has been appointed as a Non-Executive Director of Base Resources Limited, with effect from 1 March 2023. Base Resources Limited is listed on the AIM in London.

Notes to Editors

Tullow is an independent oil & gas, exploration and production group which is quoted on the London and Ghana stock exchanges (symbol: TLW). The Group has interests in over 30 exploration and production licences across 6 countries including Ghana where it operates the Jubilee and TEN fields. In March 2021, Tullow committed to becoming Net Zero on its Scope 1 and 2 emissions by 2030.

Follow Tullow on:

Twitter: www.twitter.com/TullowOilplc

YouTube: www.youtube.com/TullowOilplc

Facebook: www.facebook.com/TullowOilplc

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