Tetra Tech, Inc. (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that the U.S. Army Corps of Engineers (USACE), Mobile District, awarded the Company a $249 million, multiple-award contract to provide architect-engineer services to support the environmental assessment, water management, and project design at facilities around the world.

Under the 5-year contract Tetra Tech’s scientists, engineers, and technical specialists will perform comprehensive environmental services to support the U.S. Department of Defense in managing water resources and protecting human health and the environment. Our teams will provide innovative, technology-driven solutions for complex compliance, planning, pollution prevention, conservation, restoration and remediation, and sustainment projects at military, civil, and other federal sites.

“Tetra Tech has supported the USACE in building the infrastructure that supports U.S. national security for more than 40 years,” said Dan Batrack, Tetra Tech Chairman and CEO. “We look forward to continuing to use our Leading with Science^® approach to design innovative solutions for U.S. Department of Defense installations and other critical facilities worldwide.”

About Tetra Tech

Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science^® to address the entire water cycle, protect and restore the environment, and design sustainable and resilient infrastructure. For more information about Tetra Tech, please visit tetratech.com or follow us on LinkedIn and Facebook.

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 Form 10-Q filings with the Securities and Exchange Commission.

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