Romania Well Update

Regal Petroleum PLC 28 December 2007 Immediate Release 28 December 2007 REGAL PETROLEUM PLC ('Regal' or 'the Company') Romania Well Plugging and Abandonment The Company announces that it has completed the drilling of its second planned exploration well, RBN-3, in the Barlad Concession in Romania, where the Company holds a 100% working interest. The RBN-3 well was drilled to a total depth of 1116 metres but after logging, it was considered that no commercial hydrocarbons were present and accordingly the well is now being plugged and abandoned. The well was intended to evaluate primary targets in the Sarmatian formation and a secondary target in the Eocene formation. For further information, please contact: Regal Tel: 020 7408 9500 David J Greer, Chairman & CEO Evolution Securities Tel: 020 7071 4300 Robert Collins Mirabaud Securities Tel: 020 7321 2508 Pav Sanghera In accordance with the guidelines of the AIM market of the London Stock Exchange, Antonio Mozetic, PhD Geological Sciences, SPE, Director of Regal Petroleum plc, is the qualified person that has reviewed the technical information contained in this press release. This information is provided by RNS The company news service from the London Stock Exchange