RNS Number:6628Q Sound Oil PLC 02 February 2007 Sound Oil plc (the "Company") Significant shareholding The Company received notification on 31 January 2007 that as at 24 January 2007, Credit Suisse Securities (Europe) Limited was interested in 62,352,636 ordinary shares in the Company; this represents approximately 9.00% of the issued share capital of the Company. The Company received further notification on 1 February 2007 that as at 30 January 2007, Credit Suisse Securities (Europe) Limited was interested in 61,277,636 ordinary shares in the Company; this represents approximately 8.85% of the issued share capital of the Company 2 February 2007 This information is provided by RNS The company news service from the London Stock Exchange END