Part I DESIGNATED OWNERS

Agip (UK) Ltd., whose registered office is at Southside, 105 Victoria Street, London SW1E 6QU.

Atlantic Resources (UK) Ltd., whose registered office is at Royex House, Aldermanbury Square, London EC2V 7LD.

Berkeley Resources Ltd., whose registered office is at 71 Great Peter Street, London SW1P 2BN.

Coalite Oilex Ltd., whose registered office is at Buttermilk Lane, Bolsover, nr. Chesterfield, Derbyshire S44 6AB.

International Thomson p.l.c., whose registered office is at 25 Charlotte Square, Edinburgh EH2 4EZ.

Nedlloyd Energy (U.K.) Ltd., whose registered office is at 150 Brompton Road, London SW3 1HX.

Occidental Petroleum (Caledonia) Ltd., whose registered office is at 16 Palace Street, London SW1E 5BQ.

Peko Oil North Sea p.l.c., whose registered office is at 22/25A Sackville Street, London W1X 1DE.

Pict Petroleum p.l.c., whose registered office is at 48 Queen Street, Edinburgh EH2 3NR.

Sovereign Oil and Gas p.l.c., whose registered office is at Portland House, Stag Place, London SW1E 5BH.

Texaco Britain Ltd., whose registered office is at 1 Knightsbridge Green, London SW1X 7QJ.

Third Triton Petroleum Ltd., whose registered office is at New Bond Street House, 1 New Bond Street, London W1Y 9PE.

Total Minatome Oil and Gas (UK) Corporation, whose principal place of business in the United Kingdom is at Caparo House, 101-103 Baker Street, London W1M 3FD.

Transworld Petroleum (U.K.) Ltd., whose registered office is at New Bond House, 1 New Bond Street, London W1Y 9PE.

Union Texas Petroleum Ltd., whose registered office is at Bowater House, 68 Knightsbridge, London SW1X 7LR.