14 November 2017

JKX Oil & Gas plc

("JKX", the "Company" or the "Group")

October 2017 Monthly Production Report

·   Average Group production for October 2017 was 8,807 boepd, a 2.5% month-on-month increase and a 14.5% year-on-year decrease for the first ten months of the year. The year-on-year decrease was largely due to the delayed workover of well 25 in Russia and natural production decline in Ukraine and Hungary.

·   In Ukraine, gas production was up by 0.8 MMscf/d while oil production was up by 117 boepd compared to the previous month. This was in part due to the Novonik gas plant shut-down in September for regular maintenance. Optimization of gas compression also contributed to the increase. In addition, following a successful workover, production from M153 increased from 26 to 130 boepd.

·   In Russia, gas production remained constant. While the Well 5 workover has experienced delays, we now expect production to re-start in December 2017.

·     In Hungary, the workover of Hn-1 is now complete and the well started producing on 25 October. It is currently producing at the rate of 0.7 MMcfd of gas and 12 boepd of condensate. Prior to Hn-1 workover the Hn-2ST well had been shut in on September 26. October production data reflects the monthly average of seven days' production from Hn-1.

¹boepd - Barrels of oil equivalent per day

²MMcfd - Million cubic feet per day

This announcement contains inside information as defined in EU Regulation No. 596/2014 and is in accordance with the Company's obligations under Article 17 of that Regulation.

ENDS

JKX Oil & Gas plc                              +44 (0) 20 7323 4464

Victor Gladun, Acting Chief Executive Officer

EM Communications                          +44 (0) 20 3709 5711

Stuart Leasor, Jeroen van de Crommenacker