X0202 4 2004-05-07 0 0000906469 WASHINGTON GROUP INTERNATIONAL INC WGII 0001206856 DAPPOLONIA MICHAEL R NIGHTINGALE & ASSOCIATES, LLC 1266 EAST MAIN STREET STAMFORD CT 06902 1 0 0 0 Common Stock 2004-05-07 4 A 0 1742 0 A 3842 D The number of securities benefically owned includes 1,742 deferred shares awarded under the Company's 2004 Equity Incentive Plan. These shares are forfeitable until such time as they vest. The shares will vest in four equal installments on the last date of each of the four calendar quarters following the effective date, beginning with June 30, 2004. The vested shares will be delivered to the director within 60 days of his or her termination of service on the Company's Board of Directors. By: Craig G. Taylor For: Michael R. D'Appolonia 2004-05-10