13 June 2007

Holding in Company

The Company was informed on 8 June 2007 that City Equities Ltd had disposed of 5,760,000 ordinary shares in Irvine.

Following this disposal, City Equities Ltd no longer holds a notifiable interesting the Company.

For further information please contact:

Irvine Energy plc
Michael Frayne, Tel: +44 (0) 207 766 7500

Nabarro Wells & Co Ltd
Hugh Oram , Tel: +44 (0) 207 710 7400

St Brides Media & Finance
Hugo de Salis, Tel: +44 (0) 207 242 4477

St Brides Media & Finance
Felicity Edwards, Tel: +44 (0) 207 242 4477