2025 Annual Maintenance Shutdown Completed

THE INFORMATION CONTAINED WITHIN THIS ANNOUNCEMENT IS DEEMED BY THE COMPANY TO CONSTITUTE INSIDE INFORMATION AS STIPULATED UNDER THE MARKET ABUSE REGULATION (EU) NO. 596/2014 AS IT FORMS PART OF UK DOMESTIC LAW PURSUANT TO THE EUROPEAN UNION (WITHDRAWAL) ACT 2018, AS AMENDED. UPON THE PUBLICATION OF THIS ANNOUNCEMENT VIA A REGULATORY INFORMATION SERVICE, THIS INFORMATION IS CONSIDERED TO BE IN THE PUBLIC DOMAIN.

 30 July 2025

Angus Energy PLC

 ("Angus Energy", the "Company" or together with its subsidiaries, the "Group")

(AIM:ANGS)

2025 Annual Maintenance Shutdown Completed on Schedule

Angus Energy (AIM: ANGS) is pleased to announce that the planned annual maintenance shutdown at our Saltfleetby site completed ahead of schedule on the 25 July. Maintenance and improvement project work scopes were delivered successfully within the scheduled outage with no safety incidents and with no harm to the environment.

END

For further information please visit www.angusenergy.co.uk.

Angus Energy Plc  

Carlos Fernandes

Finance Director Via Flagstaff

SP Angel Corporate Finance LLP (Nomad and Broker)  www.spangel.co.uk

Stuart Gledhill / Jen Clarke / Richard Hail Tel: +44 (0)20 3470 0470

Flagstaff PR/IR  [email protected]

Tim Thompson / Fergus Mellon / Alison Alfrey Tel: +44 (0) 207 129 1474

About Angus Energy plc

Angus Energy plc is a UK AIM quoted independent oil and gas company. Angus is the leading onshore gas producer in the UK and has ambitious plans to grow onshore production and diversify internationally. Angus Energy has a 100% interest in the Saltfleetby Gas Field (PEDL005), majority owns and operates conventional oil production fields at Brockham (PL 235) and Lidsey (PL 241) and has a 25% interest in the Balcombe Licence (PEDL244). Angus Energy operates all fields in which it has an interest.