EXHIBIT 10.6

 

FIFTH AMENDMENT

THIS FIFTH AMENDMENT (this “Amendment”) dated as of September 24, 2003 is to the
Credit Agreement (as previously amended, the “Credit Agreement”) dated as of
March 17, 2000 among TETRA TECH, INC. (the “Company”), various financial
institutions and BANK OF AMERICA, N.A., as administrative agent (the ”Agent”). 
Unless otherwise defined herein, terms defined in the Credit Agreement are used
herein as defined therein.

WHEREAS, the parties hereto desire to amend the Credit Agreement as set forth
below;

NOW THEREFORE, in consideration of the premises and for other good and valuable
consideration (the receipt and sufficiency of which are hereby acknowledged),
the parties hereto agree as follows:

SECTION 1  AMENDMENT.  Effective on (and subject to the occurrence of) the
Amendment Effective Date (as defined below), Section 2.1.2 of the Credit
Agreement is amended by replacing the reference to “$25,000,000” with
“$50,000,000”.

SECTION 2  REPRESENTATIONS AND WARRANTIES.  The Company represents and warrants
to the Agent and the Banks that (a) each warranty set forth in Section 9 of the
Credit Agreement is true and correct as if made on the date hereof, (b) the
execution and delivery by the Company of this Amendment and the performance by
the Company of its obligations under the Credit Agreement as amended hereby (as
so amended, the “Amended Credit Agreement”) (i) are within the corporate powers
of the Company, (ii) have been duly authorized by all necessary corporate
action, (iii) have received all necessary governmental approval and (iv) do not
and will not contravene or conflict with any provision of law or of the charter
or by-laws of the Company or any Subsidiary or of any indenture, loan agreement
or other material contract, or any judgment, order or decree, which is binding
upon the Company or any Subsidiary, and (c) this Amendment and the Amended
Credit Agreement are the legal, valid and binding obligations of the Company,
enforceable against the Company in accordance with their terms, except as
enforceability may be limited by bankruptcy, insolvency or other similar laws of
general application affecting the enforcement of creditor’s rights or by general
principles of equity.

SECTION 3  EFFECTIVENESS.  The amendment set forth in Section 1 shall become
effective, as of the day and year first above written, on such date (the
“Amendment Effective Date”) that the Agent shall have received each of the
following: (a) counterparts of this Amendment executed by the Company and the
Required Banks; and (b) a Confirmation in the form of Exhibit A hereto signed by
the Company and each Subsidiary.

SECTION 4  MISCELLANEOUS.

4.1  Continuing Effectiveness, etc.  As herein amended, the Credit Agreement
shall remain in full force and effect and is hereby ratified and confirmed in
all respects.

4.2  Counterparts.  This Amendment may be executed in any number of counterparts
and by the different parties on separate counterparts, and each such counterpart
shall be deemed to be an original but all such counterparts shall together
constitute one and the same Fifth Amendment.

4.3  Governing Law.  This Amendment shall be a contract made under and governed
by the laws of the State of Illinois applicable to contracts made and to be
performed entirely within such State.

4.4  Successors and Assigns.  This Amendment shall be binding upon the Company
and the Agent and their respective successors and assigns, and shall inure to
the benefit of the Company and the Agent and the successors and assigns of the
Agent.

4.5  Expenses.  The Company agrees to pay the reasonable costs and expenses of
the Agent (including attorneys’ fees) in connection with the preparation,
execution and delivery of this Amendment.

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Delivered at Chicago, Illinois, as of the day and year first above written.

TETRA TECH, INC.

 

 

By:

/s/  David W. King

Title:

Chief Financial Officer

 

 

BANK OF AMERICA, N.A., as Administrative Agent

 

 

By:

/s/  Paul Folino

Title:

Assistant Vice President

 

 

BANK OF AMERICA, N.A., as Swing Line Bank, Issuing Bank and as a Bank

 

 

By:

/s/  Jennifer L. Gerdes

Title:

Vice President

 

 

WELLS FARGO BANK, N.A., as Documentation Agent and as a Bank

 

 

By:

/s/  Randall Repp

Title:

Vice President

 

 

HARRIS TRUST AND SAVINGS BANK, as Syndication Agent and as a Bank

 

 

By:

/s/  Isabella Battista

Title:

Vice President

 

 

THE NORTHERN TRUST COMPANY

 

 

By:

/s/  Steven W. Ryan

Title:

Vice President

 

 

U.S. BANK, NATIONAL ASSOCIATION (formerly known as Pacific Century Bank, N.A.)

 

 

By:

 

Title:

 

 

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EXHIBIT A

CONFIRMATION

Dated as of September 24, 2003

                Each of the undersigned hereby acknowledges and agrees to the
foregoing Fifth Amendment and the Amended Credit Agreement and hereby confirms
the continuing validity and enforceability of the Guaranty and the Security
Agreement after giving effect thereto.

SCM CONSULTANTS, INC.

 

 

By:

/s/  David W. King

Title:

Assistant Treasurer

 

 

TETRA TECH EM INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

WHALEN & COMPANY, INC.

 

 

By:

/s/  David W. King

Title:

Chief Financial Officer

 

 

TETRA TECH NUS, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

MFG, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

TETRA TECH CONSTRUCTION SERVICES, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

UTILITIES & C.C., INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

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COSENTINI ASSOCIATES, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

EVERGREEN UTILITY CONTRACTORS, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

KCM, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

GEOTRANS, INC.

 

 

By:

/s/  David W. King

Title:

Assistant Treasurer

 

 

FHC, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

RIZZO ASSOCIATES, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

TETRA TECH RMC, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

WILLIAMS, HATFIELD & STONER, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

EXPERT WIRELESS SOLUTIONS, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

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DRAKE CONTRACTORS, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

VERTEX ENGINEERING SERVICES, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

MAXIM TECHNOLOGIES, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

SCIENCES INTERNATIONAL, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

WESTERN UTILITY CONTRACTORS, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

HARTMAN & ASSOCIATES, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

THE THOMAS GROUP OF COMPANIES, INC.

 

 

By:

/s/  David W. King

Title:

Treasurer

 

 

TETRA TECH FW, INC.

 

 

By:

/s/  David W. King

Title:

Assistant Treasurer

 

 

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