ENQUEST PLC — Capital/Financing Update 2026

Apr 29, 2026

EnQuest PLC
(the "Issuer")
NOTICE OF REDEMPTION TO NOTEHOLDERS

in respect of the Issuer's
£133,300,000 9.00 per cent. Guaranteed Notes due 27 October 2027
(ISIN: XS2461853793 / Common Code: 246185379)
(the "Notes")

REFERENCE IS MADE to the trust deed dated 27 April 2022 (the "Trust Deed") made between the Issuer, certain guarantors named therein and U.S. Bank Trustees Limited (the "Trustee") and the terms and conditions of the Notes (the "Conditions").

NOTICE IS HEREBY GIVEN pursuant to Condition 6(c) (Redemption at the option of the Issuer) of the Conditions that the Issuer has elected to redeem all of the outstanding Notes on 29 May 2026 (the "Redemption Date").

The Notes will be redeemed at their principal amount together with accrued interest from (and including) 27 April 2026 (being the most recent Interest Payment Date) up to (but excluding) the Redemption Date.

The Notes will be redeemed at the Optional Redemption Price of 100 per cent. of their principal amount (the Redemption Date being a date falling on or after 27 April 2026), together with accrued and unpaid interest from and including 27 April 2026 to but excluding the Redemption Date.

Noteholders should look to the relevant clearing systems through which their Notes are held for repayment.

Following redemption of the Notes (i) all Notes will be cancelled and no further interest payments will be made and (ii) application will be made for the listing and admission to trading of the Notes, which are listed and admitted to trading on the London Stock Exchange, to be cancelled and accordingly the Issuer will request the Financial Conduct Authority (the "FCA") to cancel the listing of the Notes on the Official List of the FCA and the London Stock Exchange to cancel the admission to trading on the regulated market of the London Stock Exchange as soon as practicable after the Redemption Date.

In accordance with Condition 2(e), from the date of this Notice no Noteholder may require the transfer of a Note to be registered.

This Notice is irrevocable.

Capitalised terms used in this Notice but not otherwise defined herein have the meanings given to them in the Conditions.

FOR FURTHER INFORMATION, PLEASE CONTACT:

EnQuest PLC

+44 (0) 20 7925 4900
Dawood Ahmed

Principal Paying Agent

U.S. Bank Europe DAC, UK Branch (formerly Elavon
Financial Services DAC, UK Branch)
5th Floor 125 Old Broad Street
London EC2N 1AR

---

2

Further information on EnQuest PLC is available at https://www.enquest.com/.

This notice is given by:

ENQUEST PLC

Dated: 29 April 2026