Holding(s) in Company

Regal Petroleum PLC
27 April 2005


For Immediate Release                                            27 April 2005


                              REGAL PETROLEUM PLC
                                ('the Company')

                               Holding in Company


The Company was notified on 27 April 2005 by Henderson Global Investors and its
associated companies, acting as agent for its discretionary clients ('Henderson
Global Investors') that, following a purchase of the Company's ordinary 5p
shares ('Ordinary Shares'), Henderson Global Investors has an interest in
20,254,119 Ordinary Shares representing 17.30 per cent. of the issued Ordinary
Share capital.


For further information, please contact:


Regal                                                       Tel: [phone]

Roger Phillips, Finance Director

Buchanan Communications                                     Tel: [phone]
Bobby Morse


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