X0101 4 2003-05-06 1 0001043533 METROMEDIA FIBER NETWORK INC MFNX 0001110785 BECHTEL GROUP INC 0 0 1 0 8.5% Senior Subordinated Convertible Promissory Note 0.5283 2003-05-06 4 S 0 1 18137083.33 D 2001-10-01 2003-09-30 class A common stock 134495906 0 I See Explanation of Responses below. Bechtel Corporation, the direct owner of the Note, is a wholly-owned subsidiary of Bechtel Group, Inc. (with principal executive offices at 50 Beale Street, P.O. Box 193965, San Francisco, CA 94119) and therefore is the indirect beneficial owner of the Note and the class A common stock into which it is convertible. /s/ Michael C. Bailey 2003-05-09