RNS Number:9732W 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. This information is provided by RNS The company news service from the London Stock Exchange END