Seplat Energy PlcLSE: SEPL

Announcement on fy 2025 final and special dividend

· Issued by Seplat Energy Plc


CORPORATE ANNOUNCEMENT

Lagos and London, February 26, 2026: Seplat Energy Plc ("Seplat Energy" or the "Company"), a leading Nigerian independent energy company listed on both the Nigerian Exchange Limited and London Stock Exchange, today announces a final dividend at a rate of US5 cents (United States Five Cents) and a special dividend of US3.3 cents (United States Three point Three cents) per Ordinary Share (subject to appropriate WHT) to be paid to Seplat Energy's shareholders whose names appear in the Register of Members as at the close of business on May 15, 2026.

Period Ended

December 31, 2025

Dividend

Announcement Date

February 26, 2026

Proposed Dividend

An Final Dividend of US5 cents (United States Five Cents) and a Special

Dividend of US3.3 cents (United States Three point Three 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 May 15, 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 May 18, 2026.

Ǫualification Date

Close of Business on May 15, 2026.

Note that on the London Stock Exchange: The Associated Record Date will be

May 15, 2026, and the Ex-Dividend date will be May 14, 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 holding their shares on the Nigerian Exchange Limited without a valid Nigerian Certificate for Capital Importation ("CCI") will be paid their dividend in Naira as the default currency;

  • Shareholders holding their shares on the Nigerian Exchange Limited with a valid CCI will be paid their dividend in US dollars as the default currency. Evidence of the CCI must be provided to Datamax. However, those shareholders may instead elect to receive their entire dividend payment in Naira (partial elections are not permissible); and

  • Shareholders holding their shares through depository interests on the London Stock Exchange will be paid their dividend in US dollars as the

default currency.

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 May 14, 2026, and will be communicated by the Company on May 15, 2026.

Payment Date

On or around May 2G, 2026, the final and special dividends will be paid

electronically to shareholders whose names appear on the Register of Members as of May 15, 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

Registrars

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.

DataMax Registrars Limited Computershare

2c Gbagada Expressway The Pavillions

By Beko Ransom Kuti Park Bridgewater Road

Gbagada, Lagos Bristol

Nigeria BS13 8AE, United Kingdom

Fax: + 234 1 712 0012 Fax: +44 (0)370 703 6101

Web: www.datamaxregistrars.com Web: www.computershare.com

Email: datamax@datamaxregistrars.com Telephone: +44 (0)370 702 0003

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.

Date of Annual

General Meeting

The Company's Annual General Meeting ("AGM") will be held on May 20, 2026.

Enquiries

Enquiries on opening of account and payment of dividend should be directed to

the appropriate Registrar.

For all other enquiries, kindly contact:

Seplat Energy Plc

Eleanor Adaralegbe - CFO

James Thompson - Head, Investor Relations

Phone: +44 (0) 203 725 6500 / +234 (0) 1 277 0400

Email: ir@seplatenergy.com

FTI Consulting

Ben Brewerton / Chris Laing

Phone: +44 (0) 203 727 1000

Email:seplatenergy@fticonsulting.com

Summary of Key Dates

February 26, 2026

Dividend announcement date

May 14, 2026

London Stock Exchange: Ex-Dividend Date

Date for determining foreign exchange rate

May 15, 2026

Nigerian Exchange Limited: Ǫualification date

London Stock Exchange: Associated Record Date

Foreign exchange rates will be communicated to shareholders

May 18, 2026

Nigerian Exchange Limited: Register Close Date

May 20, 2026

AGM Date

May 29, 2026

Dividend Payment Date

Dated this day of February 26, 2026 Signed:

Eleanor Adaralegbe Chief Financial Officer