Lidsey Oil Field Update

2 July 2014 Doriemus plc ("Doriemus" or the "Company") Lidsey Oil Field Update Doriemus Plc (AIM: DOR) today announces a 230% increase in oil production fromthe conventional Lidsey Oil Field ("Lidsey"), near Bognor Regis south ofLondon, from 36 barrels of oil per day ("bopd") in May 2014 to a current rateof 113 bopd of 34 API oil after a successful recompletion programme on theLidsey-1 well. The operators of Lidsey, Angus Energy Limited ("Angus Energy") have advisedthat an 80-foot section of the Greater Oolite reservoir was perforated usingtubing conveyed (TCP) guns, at 4 perforations per foot, using Paradigm Connectcharges between 3,271 feet and 3,351 feet at 16:00 hours on Sunday 22 June2014. Of the 80 feet of perforations shot, 19 feet were opening up newreservoir and 61 feet were re-perforations. The Lidsey-1 well was put back to pump at half speed to clean-up the well at15:30 hours on Wednesday, 25 June 2014. After an initial restricted 5 dayclean-up of programme, the Lidsey-1 well produced at an average restricted rateof 47 bopd with the pump jack running at half speed. On 30 June 2014, the pumpwas increased to full speed resulting in a higher production rate of 113 bopd. Donald Strang, the Company Chairman commented: "This is an excellent result for Lidsey. Since the work-over programmescommenced on the field in late 2013, each work-over phase on the Lidsey-1 wellhas been successful. The Company has an exciting period ahead over the remainder of 2014. With ourpartners, Angus Energy, there will be the drilling of the Horse Hill-1 wellnear Gatwick later this month and the drilling of the proposed Brockhamside-track well in the same geographical area once the final approvals havebeen granted. We also look towards the drilling of the proposed new Lidsey-2 well later thisyear. This well is designed to access the crest of the Greater Oolite reservoirand the majority of Lidsey's Oil in-Place." Lidsey Oil Field (20% owned by Doriemus and operated by Angus Energy): The Lidsey Oil Field ("Lidsey"), is a long standing producing oil field in theWeald Basin near Bognor Regis, and is held under United Kingdom ProductionLicence PL 241. Lidsey has a fully permitted and operation 2,000-barrel storage facility andits oil is regularly trucked and sold to the Perenco Oil Refinery. On 13 March 2014, Doriemus announced the conclusions of the independent reserveand resource reports ("CPRs") prepared by RPS Energy Consultants Limited("RPS") for both the Lidsey and Brockham Fields in the Weald Basin, a copy ofwhich is available from the Company's website at www.doriemus.co.uk Glossary: API American Petroleum Institute measure of the gravity of oil bopd Barrels of oil per day -ENDS- 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