Drilling Update

Sound Oil PLC
21 May 2007

Sound Oil plc

Pasundan-1 resumes drilling

Sound Oil plc is pleased to announce that operations on the Pasundan-1
exploration well have resumed following repairs to the drilling rig. Repairs
were completed ahead of schedule and as of this morning's report (0600
Indonesian Western Time, 0000 BST, 21 May 2007) the drill-string was being run
in the hole prior to drilling ahead.

Sound Oil plc is a 20% shareholder (through its wholly owned subsidiary Mitra
Energia Citarum Limited) in the BPREC operating company that is drilling the
Pasundan-1 exploration well, located approximately 50 km southeast of Jakarta,
Java, Indonesia.




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