Sale of Investment

Westmount Energy Limited 25 September 2007 Westmount Energy Limited ('The Company') SALE OF INVESTMENT The Company announces that on 25 September 2007 it has sold its entire shareholding of 3,762,268 ordinary shares in CDS Oil & Gas Group plc ('CDS') at 22 pence per share. The investment arose from a £500,000 convertible loan the Company provided to CDS as announced on 19 January 2006. For further information, please contact: Paul R. Anderson, Westmount Energy Limited 01534 814209 www.westmount-energy.co.uk Gavin J. Burnell, Brett L. Miller, Ruegg & Co Limited 020 7584 3663 This information is provided by RNS The company news service from the London Stock Exchange