Notifiable Interest

IPSA, the independent power plant developer with operations in southern Africa, announces that it received notification on 7 September 2007 that on 5 September 2007 UBS Investment Bank ("UBS"), acting through its controlled entity UBS AG London Branch, had an interest in 4,635,776 ordinary shares of 2p each in the Company, representing 5.18% of the issued share capital of the Company.

On 2 May 2007 the Company announced that UBS had an interest in 4,635,776 ordinary shares of 2p each in the Company, representing 6.1% of the issued share capital of the Company.

For further information please contact:

Peter Earl, CEO, IPSA Group  PLC                                         020 7793 7676

John Llewellyn-Lloyd, Noble and Company Limited                  020 7763 2200