Part I designated owners

Britoil p.l.c., whose registered office is at 301 St Vincent Street, Glasgow G2 5DD.

Deminex U.K. Oil and Gas Ltd., whose registered office is at Bowater House, 68 Knightsbridge, London SW1X 7LD.

Hunt Overseas Oil Inc., whose principal place of business in the United Kingdom is at Meadows House, 20/22 Queen Street, Mayfair, London W1X 8AR.

Kerr-McGee Oil (U.K.) p.l.c., whose registered office is at 75 Davies Street, Mayfair, London W1Y 1FA.

Lasmo North Sea p.l.c. whose registered office is at Bastion House, 140 London Wall, London EC2Y 5DN.