West Newton A-2 Update

23 August 2019

Union Jack Oil plc

("Union Jack" or the "Company")

West Newton A-2 Update

Union Jack Oil plc (AIM: UJO), a UK focused on-shore hydrocarbon production, development and exploration company, notes that Rathlin Energy (UK) Limited ("Rathlin"), the operator of PEDL 183, communicated the following to local residents as part of its participation in the West Newton Community Liaison group yesterday afternoon. Union Jack holds a 16.665% interest in this licence containing the West Newton A-1 discovery well and the recent successful West Newton A-2 conventional appraisal well.

"The flow testing of the WNA-2 well commenced earlier today.

"The well test programme is scheduled to continue for the next 4-8 weeks.

"The necessary regulatory permissions and consents are in place for this test.

"Additional information regarding the test programme will be made available once the relevant data has been collected and analysed."

For further information, please contact: