Update on the Horse Hill - 1 Well

Doriemus plc ("Doriemus" or the "Company") Update on the Horse Hill-1 Well Doriemus plc (AIM:DOR) is pleased to announce that Horse Hill Development Ltd,the operators of the Horse Hill Prospect in the Weald Basin near GatwickAirport, have advised that site construction has now commenced for the proposed8,512 feet Horse Hill-1 well. The well is expected to spud in July 2014 and istargeting a number of conventional stacked oil and gas targets. DOR has a binding agreement in place to own a direct 10% interest in Horse HillDevelopment Ltd, a special purpose company that owns a 65% participatinginterest and operatorship of the Horse Hill Prospect. Donald Strang, the Company's Chairman, commented: "This is very positive news for the Company as we see the breaking of ground atthe Horse Hill Prospect marking the start of a potentially exciting era forDoriemus." Enquiries: Doriemus plc +44 (0) 20 7440 0640 Donald Strang/Hamish Harris Cairn Financial Advisers LLP +44 (0) 20 7148 7900 Nominated Adviser and Broker James Caithie