Enquest Regulatory News (ENQ)

FOR IMMEDIATE RELEASE 19 September 2024

ENQUEST PLC ("EnQuest" or "the Company")

TRANSACTIONS IN OWN SHARES

EnQuest PLC (the "Company") announces that, on 18 September 2024, it purchased the following number of its ordinary shares of 5 pence each (the "Ordinary Shares") through Merrill Lynch International ("Merrill Lynch"). Such purchase was effected pursuant to the instructions issued by the Company in accordance with the share repurchase arrangements entered into with Merrill Lynch, as announced on 29 April 2024.

Aggregated information of Ordinary Shares purchased on 18 September 2024 according to each trading venue:

Since 29 April 2024, the Company has purchased 32,407,775 Ordinary Shares at a cost (including dealing and associated costs) of £4,387,027.84. Of those shares, 25,000,000 Ordinary Shares have been retained in Treasury and will be issued in due course to the Company's Employee Benefit Trust and 7,407,775 Ordinary Shares have been purchased for cancellation.

Following the cancellation of the purchased shares, there will be 1,908,516,564 Ordinary Shares in issue and 25,000,000 Shares in Treasury. The total voting rights in the Company will accordingly be 1,883,516,564. This figure may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the Disclosure Guidance and Transparency Rules.

A full breakdown of the individual trades made by Merrill Lynch on behalf of the Company as part of the share repurchase programme is attached to this document.

Attachment: http://www.rns-pdf.londonstockexchange.com/rns/7733E_1-2024-9-18.pdf

LEI: 2138008LJU6WFQWOXJ73

This announcement does not constitute, or form part of, an offer or any solicitation of an offer for securities in any jurisdiction.

Enquiries:

EnQuest plc +44 (0)20 7925 4900

Kate Christ, Company Secretary