SCHEDULE

PART IDESIGNATED OWNERS

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

Esso Exploration and Production UKLtd., whose registered office is at Esso House, Victoria Street, London SW1E 5JW.

Shell U.K.Ltd., whose registered office is at Shell-Mex House, Strand, London WC2R 0DX.

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