Holding(s) in Company

Regal Petroleum PLC
21 June 2007



Immediate Release                                                 21 June 2007

                              REGAL PETROLEUM PLC
                                ('the Company')

                              Holdings in Company

The Company was notified on 20 June 2007 by Credit Suisse Securities (Europe)
Limited that they have an interest in 5,162,250 of the Company's ordinary 5p
shares ('Ordinary Shares') representing 3.61 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




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