15 August 2025
Union Jack Oil plc
("Union Jack" or the "Company")
Spudding of the Sark Well Central Oklahoma USA
Union Jack Oil plc (AIM: UJO, OTCQB: UJOGF), a UK and USA focused onshore hydrocarbon, production, development, exploration and investment company is pleased to report, further to the Company's announcement of 9 July 2025, that it has been informed by the Operator, Reach Oil and Gas Inc., that the Sark well, located in Central Oklahoma, USA has been spudded. Union Jack currently holds a 60% interest in the Sark well.
David Bramhill, Executive Chairman of Union Jack, commented: "Following on the heels of the successful producing Moccasin well, the high-impact Sark well is of major importance to Union Jack, both financially and operationally.
"I look forward to reporting on the results of Sark as soon as information becomes available".
For further information, please contact:
Union Jack Oil plc info@unionjackoil.com
David Bramhill
SP Angel Corporate Finance LLP +44 (0)20 3470 0470
Nominated Adviser and Joint Broker
Matthew Johnson
Richard Hail
Jen Clarke
Zeus +44 (0)20 3829 5000
Joint Broker
Antonio Bossi
Simon Johnson
George Duxberry
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