Commencement of drilling

RNS Number : 6495N

San Leon Energy PLC

05 September 2011

5 September 2011

San Leon Energy Plc

("San Leon" or the "Company")

Commencement of drilling: Chopin-1 exploration well, Nida Trough, Poland

San Leon is pleased to report, further to its announcement on 1 September 2011, that drilling has now commenced on the Nida Concession (San Leon 100%). The Chopin-1 exploration well, as opposed to the Belvedere-1 exploration well, has spudded today. The well is planned to reach a total depth of 1,000 meters and will test multiple targets on trend with the Plowowice and Grobla oil fields. The Company plans to drill two exploration wells on the concession, this month, targeting multiple one to two million barrel prospects. The second exploration well to be drilled on the concession will be the Belvedere-1 and drilling on this well will commence post the Chopin-1 well.

For further information contact:

San Leon Energy Plc	Tel: + 353 1291 6292
Oisin Fanning, Executive Chairman
Macquarie Capital (Europe) Limited	Tel: +44 (0) 20 3037 2000
Paul Connolly Ben Colegrave John Dwyer Arbuthnot Securities James Steel Antonio Bossi	Tel: +44 (0) 20 7012 2000
College Hill Associates	Tel: +44 (0) 20 7457 2020
Nick Elwes