Holding(s) in Company

Serica Energy plc
06 February 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 10,013,642 shares representing 6.63% of the issued
share capital of the Company.



Ends



6th February 2007


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