Appointment of Joint Broker

8 September 2026

Union Jack Oil plc

("Union Jack" or the "Company")

Appointment of Joint Broker

Union Jack Oil plc (AIM: UJO) is pleased to announce the appointment of Zeus Capital Limited ("Zeus") as Joint Broker with immediate effect. Zeus will work alongside the Company's Nominated Adviser and existing Broker, SP Angel Corporate Finance LLP.

For further information, please contact:

Union Jack Oil plc

Craig Howie, Executive Chairman                                          [email protected]

John Americanos, Executive Director

Strand Hanson Limited                                                         +44 (0)20 7409 3494

Financial and Rule 3 Adviser

James Dance

Rory Murphy

Matthew Chandler

Rob Patrick

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

Nominated & Financial Adviser and Joint Broker

Matthew Johnson

Jen Clarke

Zeus Capital Limited                                                              +44 (0)20 3829 5000

Joint Broker

Antonio Bossi

Simon Johnson

George Duxberry