Regal Spuds Romanian Well RBN-S1

Regal Petroleum plc

Regal has announced the spudding of appraisal well RBN-S1 in the Barlad Concession in Romania, in which the Company holds a 100% working interest.

The RBN-S1 well is being drilled to appraise the gas discovery made in the RBN-4 well announced on December 13, 2007. The well is being drilled into a Sarmatian formation gas target and is planned to reach a target depth of 850 meters. It is envisaged that the RBN-S1 well will take approximately 14 days to drill at a dry hole cost of approximately US $2.3 million.