RNS Number:7556S Sound Oil PLC 12 March 2007 Sound Oil plc (the "Company") Significant shareholding The Company received notification on 9 March 2007 that as at 7 March 2007, Credit Suisse Securities (Europe) Limited was interested in 67,577,636 ordinary shares in the Company; this represents approximately 9.76% of the issued share capital of the Company. 12 March 2007 This information is provided by RNS The company news service from the London Stock Exchange END