Tullow Oil plc

Publication of the 2025 Annual Report and Notice of Annual General Meeting

30 April 2026 - Following the publication on 28 April 2026 of Tullow Oil Plc's ("the Company") Full Year Results for the year ended 31 December 2025, the Company announces it has published its Annual Report and Accounts for this period (the "Annual Report").

The Company's 2026 Annual General Meeting ("AGM") will be held at the Company's registered address at 9 Chiswick Park, 566 Chiswick High Road, London W4 5XT on 10 June 2026 at 11.00am.

In compliance with 9.6.1 and 9.6.3 of the Listing Rules and 6.3.5 of the Disclosure Guidance and Transparency Rules, a copy of the Annual Report is being submitted to the National Storage Mechanism, in addition to regulated information in full unedited text will be available for viewing shortly at: https://data.fca.org.uk/#/nsm/nationalstoragemechanism. The copy of the Annual Report and the Notice of 2026 AGM are available to view on Tullow's website: www.tullowoil.com.

In addition the above documents have been submitted to the Ghana Stock Exchange, and therefore will shortly be available to shareholders located in Ghana by contacting the Company's registrar: Central Securities Depository (GH) Limited, 4th Floor, Cedi House, PMB CT 465 Cantonments, Accra, Ghana (Telephone: +233 (0)302 906 576).

Notes to editors

Tullow is an independent energy company committed to building a better future through the responsible oil and gas development of its core producing assets in Ghana. The Group is quoted on the London and Ghanaian stock exchanges (symbol: TLW). For further information, please refer to: www.tullowoil.com.

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