April 30, 2026

An Interim Dividend of US5 cents (United States Five Cents) and a special dividend of US4 cents (United States Four cents) per Ordinary Share of N0.50k each, (subject to appropriate withholding tax) will be paid to shareholders whose names appear in the Register of Members as at the close of business on June 5, 2026.

To enable Seplat Energy's Registrar, Datamax Registrars Limited ("DataMax"), prepare for the payment of the dividends, the Register of Shareholders will be closed on June 8, 2026.

Close of Business on June 5, 2026.

Note that on the London Stock Exchange: The Associated Record Date will be June 5, 2026, and the Ex-Dividend date will be June 4, 2026.

The dividend will be paid in Naira and US Dollars only. The default currency for the dividend will depend as follows:

The dividend will be paid in US Dollars and Naira only. The shareholders holding their shares on the Nigerian Exchange Limited who hold a valid CCI should notify DataMax of that fact. Those who hold a valid CCI but wish to receive their dividends in Naira, should also inform Datamax and complete an e-mandate Form. The e-mandate form can be downloaded from the website of DataMax at https://www.datamaxregistrars.com

The exchange rate for the Naira amounts payable will be determined by reference to the relevant exchange rates applicable to the US dollar on June 4, 2026, and will be communicated by the Company on June 5, 2026.

On or around June 19, 2026, the interim dividends will be paid electronically to shareholders whose names appear on the Register of Members as of June 5, 2026, and who have completed the e-dividend registration and mandated the Registrar to pay their dividends directly into their Bank accounts.

Shareholders who are yet to complete the e-dividend registration are advised to download the form either from DataMax Registrars Limited's website at http://www.datamaxregistrars.com or from Seplat Energy's website at https://www.seplatenergy.com/investors/dividend-information/, complete and submit to Datamax or their respective Banks. Holders of shares through depositary interests on the LSE should please provide their account details to the Company's UK depositary, Computershare.

Shareholders with dividend warrants and share certificates that have remained unclaimed or are yet to be presented for payment or returned for validation are advised to complete the e-dividend registration or contact the Registrar.

Enquiries on opening of account and payment of dividend should be directed to the appropriate Registrar.

For all other enquiries, kindly contact:

Dividend announcement date

London Stock Exchange: Ex-Dividend Date

Date for determining foreign exchange rate

Nigerian Exchange Limited: Qualification date

London Stock Exchange: Associated Record Date

Foreign exchange rates will be communicated to shareholders

Nigerian Exchange Limited: Register Close Date

Dividend Payment Date