ICF International Awarded US$16.5 Million Contract with the U.S. Environmental Protection Agency.

To Provide Technical, Outreach, and Voluntary Program Support to OSW

FAIRFAX, Va. -- ICF International (Nasdaq: ICFI) announced today it was awarded a five-year, US$16.5 million contract with the U.S. Environmental Protection Agency (EPA), Office of Solid Waste (OSW) to provide technical,

outreach, and voluntary program support regarding hazardous, industrial, municipal, and special wastes. Efforts under this new contract will serve to protect human health and the environment and conserve natural resources and energy by managing materials more efficiently and reducing risks from waste.

"Winning this contract not only affirms our leadership position supporting EPAeIUs hazardous waste program since its inception, but creates a major new growth opportunity in municipal and industrial solid waste programs," says Gary Light, senior vice president at ICF and expert in environmental consulting. "The ICF team looks forward to supporting EPA with fresh and creative solutions for voluntary and regulatory programs, built on our extensive institutional knowledge and experience in materials management nationwide."

ICFeIUs role will be separated into three parts. Part I will focus on municipal, industrial nonhazardous, and special waste program support, including collecting data and conducting studies and surveys; conducting technical research and analyses; providing support for EPAeIUs development of guidance, regulations, and standards; and providing waste management program implementation support.E[sz]Part II will address industrial solid and hazardous waste characterization support, including human health and ecological health analysis; engineering analysis, data collection, and evaluation; waste sampling and laboratory analysis support; regulatory impact analysis; and other technical support. Part III will comprise support for outreach, public involvement, educational, and motivational programs and campaigns, as well as voluntary programs under the framework of the Resource Conservation Challenge and related efforts.

ICF International partners with government and commercial clients to deliver consulting services and technology solutions in the energy, environment, transportation, social programs, defense, and homeland security markets. The firm combines passion for its work with industry expertise and innovative analytics to produce compelling results throughout the entire program life cycle, from analysis and design through implementation and improvement. Since 1969, ICF has been serving government at all levels, major corporations, and multilateral institutions. More than 1,800 employees serve these clients worldwide. ICFeIUs Web site is http://www.icfi.com

This document may contain "forward-looking statements"eI|that is, statements related to futureeI|not pasteI|events, plans, and prospects. In this context, forward-looking statements may address matters such as our expected future business and financial performance, and often contain words such as "guidance," "expects," "anticipates," "intends," "plans," "believes," "seeks," "should," or "will." Forward-looking statements by their nature address matters that are, to different degrees, uncertain. For ICF, particular uncertainties that could adversely or positively affect the CompanyeIUs future results include: risks related to the government contracting industry, including possible changes in government spending priorities; risks related to our business, including our dependence on contracts with U.S. Federal Government agencies and departments and continued good relations, and being successful in competitive bidding, with those customers; performance by ICF and its subcontractors under a major contract with the State of Louisiana, Office of Community Development; uncertainties as to whether revenues corresponding to the CompanyeIUs contract backlog will actually be received; strategic actions, including the ability to make acquisitions and the performance and future integration of acquired businesses; risk associated with operations outside the United States; and other risks and uncertainties disclosed in the CompanyeIUs filings with the Securities and Exchange Commission. These uncertainties may cause ICFeIUs actual future results to be materially different than those expressed in the CompanyeIUs forward-looking statements. ICF does not undertake to update its forward-looking statements.