DOR Doriemus

                                 Doriemus plc

                         ("Doriemus" or the "Company")

                        Horse Hill Development Website

Doriemus Plc (AIM: DOR) today announces that Horse Hill Development Limited the
operator of the Horse Hill Prospect in the Weald Basin, in which Doriemus holds
a 10 percent participating interest, has advised that its new website will be
released 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 in
late July and will update the market on any developments through its routine
news 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