Tetra Tech Awarded $20 Million Environmental Management Contract for the Expansion of Miami Harbor

  Tetra Tech Awarded $20 Million Environmental Management Contract for the
  Expansion of Miami Harbor

Business Wire

PASADENA, Calif. -- August 1, 2013

Tetra Tech, Inc. (NASDAQ: TTEK) announced today that it has been awarded a $20
million contract, with option years for an additional $3.5 million, with the
Great Lakes Dredge & Dock Company, LLC to perform environmental management
services and provide construction oversight as part of the Miami Harbor
Construction Dredging Project. Tetra Tech’s scientists will provide
environmental management and quality control oversight for the transplantation
of seagrasses, relocation of corals, and monitoring of existing seagrass beds,
coral reefs and sediment during dredging activities. Tetra Tech’s engineers
will also subcontract and manage the construction of new artificial reefs and
seagrass beds created from the dredged material. PortMiami is the first port
in the southeastern United States to initiate dredging operations to expand
its capacity to accommodate the larger shipping vessels anticipated from the
expanded Panama Canal.

About Tetra Tech (www.tetratech.com)

Tetra Tech is a leading provider of consulting, engineering, program
management, construction management, and technical services. The Company
supports government and commercial clients by providing innovative solutions
to complex problems focused on water, environment, energy, infrastructure, and
natural resources. With more than 14,000 staff 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.

Contact:

Tetra Tech, Inc.
Jim Wu, Investor Relations
Charlie MacPherson, Media & Public Relations
(626) 470-2844
 
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