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Results of the Thirteenth Annual General Meeting
Seplat Energy PLC announced that all resolutions presented at its Thirteenth Annual General Meeting, held virtually on May 20, 2026, were passed by shareholders. Key resolutions included the approval of the audited financial statements for the year ended December 31, 2025, with 99.99% of shares voted in favour, and the declaration of a final dividend for the same period, also receiving 99.99% approval. The re-appointment of PriceWaterhouseCoopers as auditors and the authorization for the Board to determine their remuneration were also passed with overwhelming support. Furthermore, the election and re-election of directors, including Mr. Larry Ettah, Mr. Tony Elumelu, Mr. Udoma Udo Udoma, and Mr. Christopher Okeke, received strong shareholder backing, with percentages of votes for ranging from 99.96% to 99.99%. The election of shareholder representatives to the Statutory Audit Committee was also confirmed. Disclaimer*

About this update from Seplat Energy Plc
Seplat Energy PLC ("Seplat" or the "Company") Results of the Thirteenth Annual General Meeting Lagos and London, 21 May 2026: Seplat Energy PLC announces that at its Annual General Meeting held virtually via https://www.seplatenergy.com/agm-2026/ yesterday, Wednesday, 20 May 2026, all resolutions set out in the Notice of the Annual General Meeting put to the Shareholders were duly passed by the requisite majority. The results of each resolution voted by way of poll, including proxy votes lodged with the Company's Registrars, are set out below: Votes FOR Votes AGAINST Votes WITHHELD/ ABSTAIN Total Votes Cast (excluding Votes Withheld/ Abstain) RESOLUTIONS Number of shares % of shares voted Number of shares % of shares voted Number of shareholders Number of shares For & Against % of ISC 1. Resolution 1: To receive the Audited Financial Statements of the Company for the year ended 31 December 2025, together with the Reports of the Directors, Auditors and the Statutory Audit Committee thereon. 411,674,708 99.99% 600 0.00% 4 411,675,308 68.62% 2. Resolution 2: To declare a final dividend recommended by the Board of Directors of the Company in respect of the financial year ended 31 December 2025. 412,229,157 99.99% 758 0.00% 1 412,229,915 68.71% 3. Resolution 3: To re-appoint PriceWaterhouseCoopers ("PWC") as Auditors of the Company from the conclusion of this meeting until the conclusion of the next general meeting of the Company at which the Company's Annual Accounts are laid. Noted by Shareholders 4. Resolution 4: To authorise the Board of Directors of the Company to determine the Auditors' remuneration. 410,140,634 99.99% 2,471 0.00% 14 410,143,105 68.36% 5. Resolution 5: To elect/re-elect the following Directors: 5(a)(i): To approve the appointment of Mr. Larry Ettah as an Independent Non-Executive Director of the Company; 409,988,054 99.97% 133,758 0.03% 20 410,121,812 68.36% 5(a)(ii): To approve the appointment of Mr. Tony Elumelu as a Non-Executive Director of the Company; 409,843,811 99.96% 170,799 0.04% 9 410,014,610 68.34% 5(b)(i): To re-elect Mr. Udoma Udo Udoma as an Independent Non-Executive Director of the Company; 410,128,990 99.99% 600 0.00% 7 410,129,590 68.36% 5(b)(ii): To re-elect...