18 MAY 2016

JKX OIL & GAS PLC

("JKX" or "the Company")

MAILING OF ANNUAL REPORT AND ACCOUNTS 2015

AND

2016 ANNUAL GENERAL MEETING

Mailing of Annual Report and Accounts 2015 and ancillary documents to shareholders

The following documents are being mailed today, Wednesday 18 May 2016, to the registered shareholders of JKX:

·     Annual Report and Accounts 2015;

·     Notice of the 2016 Annual General Meeting; and

·     Form of Proxy for the 2016 Annual General Meeting.

A copy of each of these documents has been submitted to the National Storage Mechanism and will be available for viewing shortly.

The Annual Report and Accounts 2015 and the Notice of the 2016 Annual General Meeting will be available on the Company's website at http://www.jkx.co.uk/investor-centre/investor-download-centre.aspx from Thursday 19 May 2016.

2016 Annual General Meeting

JKX Oil & Gas plc will hold its Annual General Meeting at 2.00 p.m. on Tuesday 28 June 2016 at the premises of The Kings Fund, 11-13 Cavendish Square, London, W1G 0AN.

Capita Company Secretarial Services Limited

Company Secretary