SEPLAT ENERGY : NOTICE OF CLOSED PERIOD FOR Q1 2022 - SEPLAT ENERGY PLC.

SEPLAT ENERGY PLC ("SEPLAT")

NOTICE OF CLOSED PERIOD ON SEPLAT SHARE DEALINGS

Lagos, Nigeria - 29th March 2022: In line with the Amendments to Chapter 17 of the Issuers' Rules of the Nigerian Exchange Limited ("the Exchange") and in the run up to the announcement of SEPLAT's Q1 2022 Financial Results, please be informed that the Company commences its closed period for trading in its shares from Thursday, 31st March 2022, to end on Friday, 29th April 2022 or 24 hours after the release of its Q1 2022 Financial Results.

Accordingly, no Director, Employee, Person Discharging Managerial Responsibility, Adviser(s) of the Company and their connected persons may directly or indirectly deal in the shares of the Company in any manner during the closed period.

FOR: SEPLAT ENERGY PLC.

- ENDS -

Mrs. Edith Onwuchekwa

Director, Legal/Company Secretary

Enquiries:

SEPLAT ENERGY Plc Chukwuemeka Onwuka, CFO

Chioma Nwachuku, Director, External Affairs & Sustainability

[phone]

FTI Consulting

Ben Brewerton/Sara Powell/James Styles

[phone]

[e-mail]

Notes to editors

Seplat ENERGY Plc is a leading indigenous Nigerian energy company with a strategic focus on Nigeria, listed on the Premium Board of the Nigerian Exchange Limited ("NGX ") (NGX:SEPLAT) and the Main Market of the London Stock Exchange ("LSE") (LSE:SEPL). Seplat is pursuing a Nigeria focused growth strategy and is well-positioned to participate in future divestment programmes by the international oil companies, farm-in opportunities and future licensing rounds. For further information, please refer to the company website,http://seplatenergy.com/