ICF International Awarded US$8.4 Million Contract by the U.S. Environmental Protection Agency

To Provide Technical Support for the Regulation of Antimicrobial Pesticides



Fairfax, Virginia, October 16, 2006 -

ICF International (Nasdaq: ICFI) announced today that it was awarded the Technical Support for Toxicology, Chemistry, Human Exposure, Environmental Fate, and Ecological Assessments of Pesticides contract, a new five-year, US$8.4 million engagement with the U.S. Environmental Protection Agency (EPA), Office of Pesticide Programs (OPP), Antimicrobials Division (AD). The purpose of the contract is to help EPA protect public health and the environment through the registration, re-registration, and other regulation of antimicrobial pesticides.

"We are excited by this opportunity to work with OPP on this critical national initiative, demonstrating our commitment to safeguarding people and sustaining the environment," says Baxter Jones, a senior vice president at ICF and expert in environmental sciences. "This contract, along with more than 20 other mission support contracts on which ICF works for EPA, confirms the breadth of our technical and regulatory capabilities."

The contract encompasses all activities related to the regulation of antimicrobial pesticides, including protecting human health and the environment and assuring the effectiveness of these products as pesticides. ICF’s responsibilities extend to all antimicrobial products, including disinfectants, slimicides, algaecides, sanitizers, and products with antimicrobial properties.

Nearly 300 different antimicrobials are registered for use as active ingredients in well over 5,000 antimicrobial products. ICF’s team will support EPA in reviewing, analyzing, and synthesizing the product and residue chemistry, toxicology, human exposure, environmental fate, and ecological effects data on these products, in order to help EPA characterize the potential human health and environmental risks associated with them.



About ICF International

ICF International (Nasdaq: ICFI) 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. ICF’s Web site is http://www.icfi.com.

Caution Concerning Forward-looking Statements

This press release may contain forward-looking statements that reflect our current expectations regarding the contract with the U.S. Environmental Protection Agency (EPA) and the outcome of the services we will provide under this contract to EPA. Words such as “will,” “purpose,” and similar words or phrasing identify forward-looking statements. These statements are not guarantees and involve risks and uncertainties that could cause actual results to differ materially from those anticipated in the forward-looking statements. These risks and uncertainties include, but are not limited to, the fact that funding under the contract is not guaranteed, risks related to the actual performance of services under the contract, risks associated with the satisfaction by EPA of its requirements under the contract, and the risk that EPA requests no services or substantially less in services than allowed by the contract. For other factors that could cause ICF International's results to vary from expectations, please see the risks detailed from time to time in our filings with the Securities and Exchange Commission, including in our Registration Statement on Form S-1 under the caption "Risk Factors."

For Immediate Release

Dr. Douglas Beck
ICF International


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