Tetra Tech, Inc. (NASDAQ: TTEK) announced today that it has been awarded a $69 million contract to help the U.S. Agency for International Development (USAID) strengthen and support land management and reform in Afghanistan. Under this single-award, three-year program, Tetra Tech will provide technical assistance to help strengthen land tenure security, improve management of revenue from state lands, and advise on appropriate models for land dispute resolution. Tetra Tech will provide training, mentoring, policy review, and other technical and advisory assistance focused on land reform capacity-building in Afghanistan. “By developing a robust set of policies and laws supporting land markets, USAID believes that land reform will enhance overall stability in Afghanistan,” said Dan Batrack, Tetra Tech’s Chairman and CEO. “Tetra Tech is providing technical assistance to help resolve or mitigate land disputes in a region in which agricultural production represents one of the best near-term opportunities for economic growth and investment. Tetra Tech is pleased to support USAID in its challenging mission in Afghanistan.” About Tetra Tech ( www.tetratech.com) Tetra Tech is a leading provider of consulting, engineering, program management, construction, and technical services addressing the resource management and infrastructure markets. The Company supports government and commercial clients by providing innovative solutions focused on water, the environment, and energy. With approximately 12,000 employees worldwide, Tetra Tech’s capabilities span the entire project life cycle. Any statements made in this release that are not based on historical fact are forward-looking statements. Any forward-looking statements made in this release represent management’s best judgment as to what may occur in the future. However, Tetra Tech’s actual outcome and results are not guaranteed and are subject to certain risks, uncertainties and assumptions ("Future Factors"), and may differ materially from what is expressed. For a description of Future Factors that could cause actual results to differ materially from such forward-looking statements, see the discussion under the section "Risk Factors" included in the Company’s Form 10-K and 10-Q filings with the Securities and Exchange Commission.