X0202 4 2004-08-26 0 0000809933 ECOLOGY & ENVIRONMENT INC EEI 0000933329 SILVESTRO FRANK B 368 PLEASANT VIEW DRIVE LANCASTER NY 14086 1 1 0 0 Executive Vice President Class B Common Stock 2004-08-26 5 J 0 E 12000 0.00 D 276937 D Class A Common Stock 2004-08-26 5 J 0 E 12000 0.00 A 12000 D Class A Common Stock 2004-08-26 5 G 0 E 12000 0.00 D 0 D Convertible one-for-one into Class A Common Stock Reporting person is party to an Agreement dated May 12, 1970 among Messrs. Gerhard J. Neumaier (345,894 shares), Frank B. Silvestro (275,179 shares), Gerald A. Strobel (206,520 shares) and Ronald L. Frank (178,819 shares), whereby none of the shares subject to the Agreement may be sold without the seller first granting the others a right of first refusal. In addition, certain of the shares of Class B Common Stock owned by certain members of their families and a former spouse are subject to this right of first refusal (159,948 shares in the aggregate). This is not an admission that the reporting person is the beneficial owner of the shares held in the name of others. Includes shares of Common Stock issued in connection with a 5% stock dividend payable on August 24, 1994 Frank B. Silvestro 2004-09-02