Holding(s) in Company

Serica Energy plc
18 May 2006

                       Serica Energy plc (the 'Company')



                    Notification of Major Interest in Shares





The Company has received notification from Fidelity International on behalf of
Fidelity International Limited and its Group that they now have a notifiable
interest in 17,158,151 shares representing 12.04% of the issued share capital of
the Company.



Ends



18 May 2006


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