Part I DESIGNATED OWNERS OF PLATFORM APPARATUS AND RISER

Amerada Hess Ltd., whose registered office is at 2 Stephen Street, Tottenham Court Road, London W1P 1PL.

Amoco (U.K.) Exploration Company, whose principal place of business in the United Kingdom is at Amoco House, West Gate, Ealing, London W5 1XL.

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

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

Texas Eastern North Sea, Inc., whose principal place of business in the United Kingdom is at Berkeley Square House, Berkeley Square, London W1X 5LE.