Holding(s) in Company

Rockhopper Exploration plc
22 August 2005


Rockhopper Exploration plc
22 August 2005

                   Rockhopper Exploration plc ('the Company')

                              Holdings in Company

The Company was notified on 16 August 2005 by the British Coal Staff
Superannuation Scheme that it held 3,571,428 ordinary shares in the Company,
representing 4.98 per cent of the Company's issued share capital. The shares
were registered in the name of British Coal Staff Superannuation Scheme (Chase
GIS) Nominees Ltd.


ends


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