Holding(s) in Company

Serica Energy plc
02 March 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 12,713,642 shares representing 8.42% of the issued
share capital of the Company.



Ends

2 March 2007



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