23 April 2025

Union Jack Oil plc

("Union Jack" or the "Company")

Appointment of Joint Broker

Union Jack Oil plc (AIM: UJO, OTCQB: UJOGF) a USA and UK focused onshore hydrocarbon production, development, exploration and investment company is pleased to announce the appointment of Zeus Capital Limited ("Zeus") as Joint Broker with immediate effect. Zeus will work alongside the Company's existing Nominated Adviser and Broker, SP Angel Corporate Finance LLP.

For further information, please contact:

Union Jack Oil plc                                                                                          [email protected]

David Bramhill

SP Angel Corporate Finance LLP                                                       +44 (0)20 3470 0470

Nominated Adviser and Joint Broker

Matthew Johnson

Richard Hail

Jen Clarke

Zeus Capital Limited                                                                              +44 (0)20 3829 5000

Joint Broker

Antonio Bossi

Simon Johnson

James Hornigold

Gneiss Energy Limited                                                                         + 44 (0)20 3983 9263

Financial Adviser

Jon Fitzpatrick

Paul Weidman

Harbour Access                                                                                      +1 (475) 477 9402

USA Investor Relations

Jonathan Paterson