Horse Hill Development Website

Doriemus plc ("Doriemus" or the "Company") Horse Hill Development Website Doriemus Plc (AIM: DOR) today announces that Horse Hill Development Limited theoperator of the Horse Hill Prospect in the Weald Basin, in which Doriemus holdsa 10 percent participating interest, has advised that its new website will bereleased at 8 am today. The new website can be found at www.horsehilldev.co.uk The Company believes that the planned well, Horse Hill-1, is likely to spud inlate July and will update the market on any developments through its routinenews releases. 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