Lidsey and Brockham CPR's

7 February 2014 Doriemus Plc ("Doriemus" or the "Company") Update on CPRs for Lidsey and Brockham Doriemus Plc (AIM: DOR) advises that the Competent Persons Reports ("CPR") forboth the Lidsey and Brockham oil fields are now scheduled to be completed andpublished later this month. The newly acquired seismic data has been reprocessed and RPS Group plc ("RPS"),the independent energy consultancy, will provide a CPR on both fields outliningoverall Oil in Place and a detailed reserve and resource summary. Donald Strang, the Company's Chairman, commented: "Additional work has been required on both oil fields' CPRs in order tocorrectly site the new side track on the shut in Brockham-4 well and plan forthe new Lidsey-2 well. Drilling on the Brockham-4 well is now expected tocommence early March 2014." For further information please contact: Doriemus plcDonald Strang/Hamish Harris +44 (0) 207 440 0640 Sanlam Securities UK LimitedSimon Clements/Virginia Bull/Catherine Miles +44 (0) 207 628 2200