Tetra Tech Wins $45 Million U.S. Army Corps of Engineers A-E Design Services Contract

PASADENA, Calif.--(BUSINESS WIRE)--

Tetra Tech, Inc. TTEK announced today that it has been awarded a $45 million multiple award indefinite delivery contract by the U.S. Army Corps of Engineers Mobile District in a joint venture with the Mason & Hangar Group, Inc. Under this 5-year contract, Tetra Tech will provide architectural and engineering design services to support projects including master planning, value engineering studies, and facility design. Tetra Tech will prepare project definition and programming documents, charrettes, design-build solicitations, value engineering studies, environmental permit applications, and facility condition assessments within the southeastern United States.

About Tetra Tech (www.tetratech.com)

Tetra Tech is a leading provider of consulting, engineering, program management, and construction management services. The Company supports commercial and government clients focused on water, environment, infrastructure, resource management, and energy. With 13,000 staff worldwide, Tetra Tech provides clear solutions to complex problems.

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.