Notice for Retail Note Holders

ENQUEST PLC(incorporated in England and Wales under the Registration Number 07140891)

EnQuest PLC (the "Company") today gave notice (the "Notice") to holders of its £155,000,000 5.50 per cent. Notes due 15 February 2022 (ISIN: XS0880578728, Common Code: 088057872) (together, the "Retail Notes" and the holders thereof, the "Retail Noteholders") issued pursuant to the Company's £500,000,000 Euro Medium Term Note Programme that a meeting of Retail Noteholders (the "Meeting") will be held at the offices of Ashurst LLP at Broadwalk House, 5 Appold Street, London EC2A 2HA on 17 October 2014 at 11.00 a.m. for the purposes of considering and, if thought fit, passing an extraordinary resolution of Retail Noteholders approving the grant of subordinated upstream guarantees by certain subsidiaries of the Company in respect of the Company's obligations under the Retail Notes, as further described in the Notice.

This proposal (if approved) affords the Retail Noteholders the opportunity to benefit from subordinated upstream guarantees on substantially the same terms as provided by the same subsidiaries in favour of the holders of the Company's US$650,000,000 7.00 per cent. Senior Notes due 2022 (the "Senior Notes"), as was anticipated in the offering memorandum for the Senior Notes.

A copy of the Notice (which contains details of the terms of subordinated upstream guarantees and the extraordinary resolution to be tabled at the Meeting and explains how Retail Noteholders may appoint proxies or representatives, obtain voting certificates, use block voting instructions and the time limits applicable for the Meeting) can be obtained from the Issuer's website at http://www.enquest.com/investors/retail-bond.aspx or at its registered office at:

EnQuest PLCFifth Floor, Cunard House15 Regent StreetLondon SW1Y 4LR

E-mail: InvestorRelations@EnQuest.com

Or from Numis Securities, care of Michael Dyson at +44 (0)20 7260 1000 or m.dyson@numis.com.

22 September 2014