Seplat Energy: Corporate Announcement

Period Ended

September 30, 2026

Dividend Announcement Date

October 29, 2026

Dividend

An Interim Dividend of US5 cents (United States Five Cents) and a special dividend of US14 cents (United States Fourteen 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 November 12, 2026.

Closure of Register

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 November 13, 2026.

Qualification Date

Close of Business on November 12, 2026.

Note that on the London Stock Exchange: The Associated Record Date will be November 12, 2026, and the Ex-Dividend date will be November 11, 2026.

Dividend Currency

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

Shareholders Options

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

Determination of Exchange Rate

The exchange rate for the Naira amounts payable will be determined by reference to the relevant exchange rates applicable to the US dollar on November 11, 2026, and will be communicated by the Company on November 12, 2026.

Payment Date

On or around November 27, 2026, the interim dividends will be paid electronically to shareholders whose names appear on the Register of Members as of November 12, 2026, and who have completed the e-dividend registration and mandated the Registrar to pay their dividends directly into their Bank accounts.

E-Dividend Registration

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.

Unclaimed Dividend Warrants and Share Certificates

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

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

For all other enquiries, kindly contact:

Summary of Key Dates

October 29, 2026

Dividend announcement date

November 11, 2026

London Stock Exchange: Ex-Dividend Date

Date for determining foreign exchange rate

November 12, 2026

Nigerian Exchange Limited: Qualification date

London Stock Exchange: Associated Record Date

Foreign exchange rates will be communicated to shareholders

November 13, 2026

Nigerian Exchange Limited: Register Close Date

November 27, 2026

Dividend Payment Date