Holding(s) in Company

Regal Petroleum PLC
21 June 2007



Immediate Release                                                 21 June 2007

                              REGAL PETROLEUM PLC
                                ('the Company')

                               Holding in Company

The Company was notified on 21 June 2007 by Henderson Global Investors Ltd that
it has an interest in 6,890,115 of the Company's ordinary 5p shares ('Ordinary
Shares') representing 4.82 per cent. of the issued Ordinary Share capital of the
Company.



For further information, please contact:

Regal                                                Tel: [phone]

Neil Ritson, CEO
Frank Scolaro, Non-Executive Chairman

Evolution Securities                                 Tel: [phone]
Robert Collins




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