Environment Agency Permits Granted

Doriemus plc ("Doriemus" or the "Company") Update on Horse Hill Prospect, UK Environment Agency Permits Granted Doriemus Plc (AIM: DOR) announces that Horse Hill Developments Ltd ("HHDL") hasnow been granted final approvals from the UK Environment Agency to proceed withthe drilling of the Horse Hill -1 well at Horse Hill in Surrey. Doriemus has a binding agreement in place to own a direct 10% interest in HHDL,a special purpose company that owns a 65% participating interest andoperatorship of onshore licence PEDL137 in the Weald Basin. Donald Strang, the Company's Chairman, commented: "Recent heavy rainfall in the area has unfortunately delayed the completion ofsite construction works, however the concrete cellar is on-site and is ready toinstall once the ground conditions allow. We look forward to spudding of thisimportant Horse Hill-1 well shortly." The participants in the Horse Hill-1 well are HHDL (Operator) with a 65%working interest and Magellan Petroleum Corporation with a 35% interest. Enquiries: Doriemus plc +44 (0) 20 7440 0640Donald Strang/Hamish Harris Cairn Financial Advisers LLP +44 (0) 20 7148 7900Nominated Adviser and BrokerJames Caithie/Jo Turner/Carolyn Sansom