Holding(s) in Company

Serica Energy plc
12 January 2007


                       Serica Energy plc (the 'Company')

                    Notification of Major Interest in Shares


The Company has received notification from Caledonia Investments on behalf of
Caledonia Investments plc and The Cayzer Trust Company Limited that they now
have a notifiable interest in 9,284,093 shares representing 6.15% of the issued
share capital of the Company.


Ends


12 January 2007


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