EXI.L Regulatory News (EXI)

Drilling UpdateExillon Energy plc ("Exillon Energy", the "Company" or the "Group") (EXI.LN), a British listed independent oil producer with assets in two oil-rich regions of northern Russia, Timan-Pechora ("Exillon TP") and West Siberia ("Exillon WS"), is pleased to announce that well EWS I - 43 successfully found oil on the south-eastern part of the East EWS I field.EWS I - 43 The EWS I - 43 well which was spudded on 6 September 2011 was drilled in 21 days on the south-eastern part of the East EWS I field. The well flowed water-free oil naturally to the surface with a flow rate of 595 bbl/day on an 8 mm choke. The well encountered the Jurassic P reservoir at 1,826 meters, confirming 15.5 meters of effective net oil pay within the Jurassic.The well was drilled directionally 0.7 km to the north from the existing well pad. On completion of testing the well will be connected up to existing production facilities.

Contact details:

Tom Blackwell +44 207 920 2330