Drilling Update

Sound Oil PLC
09 May 2007

                                                                   May 9th 2007

                                  SOUND OIL PLC
             
                DRILLING OPERATIONS COMMENCE ON PASUNDAN PROSPECT

Sound Oil Plc, the upstream oil and gas company, is pleased to announce that
drilling operations have commenced on the Pasundan prospect on the Citarum
Production Sharing Contract, West Java, Indonesia at 6.30am local time on the
9th May 2007. Sound Oil plc is a participant in this exploration well through
its wholly owned subsidiary Mitra Energia Citarum Limited, with a 20% interest.

The well is located approximately 50 km southeast of Jakarta immediately to the
south of a broad belt of hydrocarbon discoveries that run from west to east
across the northern part of West Java.

Pasundan - 1 is being drilled using the Great Wall Rig 93 rig to a prognosed
total depth of 10,322 ft and is targeting a hydrocarbon prospect at three
potential reservoir levels. The operation is expected to take a minimum of 48
days.


Contacts

Gerry Orbell, Sound Oil Plc
Tel [phone]

Azhic Basirov/David Jones, Smith & Williamson Corporate Finance Limited
Tel: [phone]

Tim Thompson/Nick Melson, Buchanan Communications
Tel [phone]


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