Holding(s) in Company

Soco International PLC
13 September 2006


                             SOCO International plc
                           ('SOCO' or 'the Company')

                             HOLDING IN THE COMPANY

The Company was notified today that the Joint-Stock Bank of the Gas Industry
Gazprombank (Closed Joint-Stock Company) no longer holds a notifiable interest
in the ordinary share capital of the Company.


Contact: Carol Fan, 020 7747 2000



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