Ecology & Environment, Inc.'s Equity Buyback announced on October 26, 2000, has expired.

Ecology and Environment, Inc. (EEI) is an environmental consulting company. The Company's business segments include EEI and its subsidiaries located in the United States, Subsidiaries located in South America and Other foreign subsidiaries. The Company offers consulting services to commercial and government clients in a range of service sectors, which include Government START Contract; Government Task Order Contracts; Energy; Natural Resource Management and Restoration; Sustainability, Resiliency, and Climate Adaptation; Water Resources; Planning; Emergency Planning and Management; Hazardous and Radioactive Material Services; International; Regulatory Compliance, and Contract Backlog. The Company provides services to all phases of energy development by conducting critical feature/fatal flaw analyses, social and health impact assessments, feasibility and siting studies, field surveys, permitting, construction inspection and compliance monitoring.