Seplat Energy PLC — AGM Information 2016

Apr 28, 2016

==> picture [143 x 49] intentionally omitted <==

==> picture [120 x 23] intentionally omitted <==

All Correspondence to:

The office of the Depositary Computershare Investor Services PLC The Pavilions, Bridgwater Road, Bristol, BS99 6ZY

Holder Reference Number

Form of Instruction - Annual General Meeting to be held on 1 June 2016

View the Annual Report and Financial Statements online: www.seplatpetroleum.com

To request a hard copy Annual Report and Financial Statements please telephone +44 (0)906 999 0000

To be effective, all forms of instruction must be lodged at the office of the Depositary at: Computershare Investor Services PLC, The Pavilions, Bridgwater Rd, Bristol BS99 6ZY by 25 May 2016 at 11.00 am.

Explanatory Notes:

1. Please indicate, by placing ''X'' in the appropriate space overleaf, how you wish your votes to be cast in respect of each of the Resolutions. If this form is duly signed and returned, but without specific direction as to how you wish your votes to be cast, the form will be rejected.

2. The 'Vote Abstain' option overleaf is provided to enable you to abstain on any particular Resolution. However, it should be noted that a 'Vote Abstain' is not a vote in law and will not be counted in the calculation of the proportion of the votes 'For' and 'Against' a Resolution.

3. To give an instruction via the CREST system, CREST messages must be received by the issuer's agent (ID number 3RA50) not later than 11.00 am on 25 May 2016. For this purpose, the time of receipt will be taken to be the time (as determined by the timestamp generated by the CREST system) from which the issuer's agent is able to retrieve the message. The Company may treat as invalid an appointment sent by CREST in the circumstances set out in Regulation 35(5)(a) of the Uncertificated Securities Regulations 2001.

4. Any alterations made in this form should be initialled.

5. The completion and return of this form will not preclude a holder from attending the meeting and voting in person. Should the holder, or a representative of that holder wish to attend the meeting and/or vote at the meeting, they must notify the Depositary in writing or email !UKALLDITeam2@computershare.co.uk

6. Entitlement to attend and vote at the meeting and the number of votes which may be cast thereat will be determined by reference to the Depositary Interest Register at 6 pm on 24 May 2016. Changes to entries on the Depositary Interest Register after that time shall be disregarded in determining the rights of any person to attend and vote at the meeting.

Kindly Note: This form is issued only to the addressee(s) and is specific to the unique designated account printed hereon. This personalised form is not transferable between different (i) account holders; or (ii) uniquely designated accounts. Computershare Investor Services PLC (the “Depositary”) and the Custodian accept no liability for any instruction that does not comply with these conditions.

==> picture [253 x 83] intentionally omitted <==

132135_113340_RUN_ONS/000001/000001/SG151//i

Form of Instruction

Please use a black pen. Mark with an X inside the box as shown in this example.

==> picture [14 x 15] intentionally omitted <==

I/We hereby instruct the Depositary “Computershare Investor Services PLC” to pass on instruction to the Custodian "Citbank NA" to vote on my/our behalf at the Annual General Meeting of Seplat Petroleum Development Company Plc., to be held at The Civic Center, Ozumba Mbadiwe Road, Victoria Island, Lagos, Nigeria , on 1 June 2016 at 11.00 am and at any adjournment thereof.

Ordinary Resolutions

• Ordinary Resolutions For Against Abstain 1. To receive the Annual accounts, Directors’ report, Auditors’ report for the year ended 31 December 2015 and the Audit Committee report.

2. To approve the Annual Report on Remuneration section of the Directors’ Remuneration Report set out in the Annual Report and Accounts for the year ended 31 December 2015. This is set out on pages 92 -100 of the Annual Report and Accounts for the year ended 31 December 2015. In accordance with UK remuneration reporting rules, this is an advisory vote.

3. To declare a dividend recommended by the Board of Directors of the Company in respect of the financial year ended 31 December 2015.

4. To re-appoint Ernst & Young Nigeria 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.

5. To authorize the Board of Directors of the Company to determine the auditors’ remuneration.

6. To re-appoint Mrs. Ifueko Omoigui Okauru as a Director of the Company.

7. To re-appoint Mr. Damian Dinshiya Dodo, SAN as a Director of the Company.

8. To elect members of the Audit Committee.

Signature

Date

==> picture [80 x 18] intentionally omitted <==

In the case of joint holders, only one holder need sign. In the case of a corporation, the Form of Instruction should be signed by a duly authorised official whose capacity should be stated, or by an attorney.

0 3 S E P L

H 9 1 3