21 November 2011

Sound Oil plc

 ("Sound Oil" or "the Company")

Operations update: Casa Tiberi-1 well, Montemarciano Permit

Sound Oil, the upstream oil and gas company with assets in Italy and Indonesia, is pleased to announce that the Casa Tiberi-1 exploration well, operated by its wholly-owned subsidiary Apennine Energy, has been successfully completed.  The well achieved a gas flow rate of 26,000 scmd (approximately 0.91 MMscfd) on a restricted choke during clean-up operations.  The well is currently being suspended and the drilling rig demobilised.  The Company will study data from the well to determine a programme for additional testing of the well and subsequent potential commercial production of the discovery.

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The information contained in this announcement has been reviewed by Dr M. J. Cope BSc PhD CGeol FGS, a qualified petroleum geologist.  scmd means standard cubic metres per day; MMscfd means million standard cubic feet per day.