X0303 4 2011-05-25 0 0000809933 ECOLOGY & ENVIRONMENT INC EEI 0000933327 FRANK RONALD L 368 PLEASANT VIEW DRIVE LANCASTER NY 14086 1 1 0 0 Executive V.P. of Finance Class B Common Stock 187234 D Class A Common Stock 5560 D Class A Common Stock 2011-05-25 4 S 0 500 22.55 D 6465 I by 401 k Plan Class A Common Stock 2640 I By IRA Class B Common Stock is convertible one-for-one into Class A Common Stock Reporting person is a party to an Agreement dated May 12, 1970 among Messrs. Gerhard J. Neumaier, Frank B. Silvestro, Gerald A. Strobel and Ronald L. Frank, 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 cerain members of their families are subject to this right of first refusal. This is not an admission that the reporting person is the beneficial owner of the shares held in the name of others. Ronald L. Frank 2011-05-26