Block Listing Application

Serica Energy plc

("Serica" or the "Company")

Block Listing Application

London, 21 February 2018 - Serica Energy plc (AIM: SQZ) announces that an application has been made to the London Stock Exchange for a block listing of securities in respect of 8,196,330 ordinary shares of US$0.10 each (the "New Ordinary Shares") to be admitted to trading on AIM.

The New Ordinary Shares will be issued from time to time in order to satisfy the exercise of share options granted under the Serica Energy plc Share Option Plan 2005. It is expected that admission will become effective on 26 February 2018.

When issued, the New Ordinary Shares will be credited as fully paid and will rank pari passu in all respects with the existing ordinary shares of US$0.10 each in the capital of the Company.

The Company expects to publish its first six monthly block listing return on or around 31 August 2018.

Enquiries:

NOTES TO EDITORS

Serica Energy is an independent oil and gas exploration and production company focused on the North Sea with exploration, development and production assets in the UK sector and exploration interests in the Atlantic margins offshore Ireland and Namibia. Further information on the Company can be found at www.serica-energy.com.

Further information on the Company and the proposed acquisition of the BKR Assets can be found at www.serica-energy.com.

The Company is listed on the AIM market of the London Stock Exchange under the ticker SQZ and is a designated foreign issuer on the TSX. To receive Company news releases via email, please contact [email protected] and specify "Serica press releases" in the subject line.