Holding(s) in Company

Serica Energy plc
04 December 2006

                       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 6,021,500 shares representing 4.00% of the issued
share capital of the Company.



Ends



4 December 2006


                      This information is provided by RNS
            The company news service from the London Stock Exchange