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Exhibit 4.4    
  

	NUMBER	 	TRANCHE C WARRANTS
	C-	 	CUSIP 938862 14 1

Tranche C Warrant Certificate  

WASHINGTON GROUP INTERNATIONAL, INC.  

This certifies that 

	is the registered holder of	 	TRANCHE C WARRANTS

(the
"Tranche C Warrants") expiring at 5:00 p.m., New York City time, on January 25, 2006 (the "Expiration Date"), to purchase Common Stock, $0.01 par value per share (the "Common Stock"), of
Washington Group International, Inc., a Delaware corporation (the "Company"). The Tranche C Warrants may be exercised at any time from 9:00 a.m., New York City time, on January 25, 2002 to 5:00 p.m.,
New York City time, on the Expiration Date. Each Tranche C Warrant entitles the holder upon exercise to receive from the Company, if exercised before 5:00 p.m., New York City time, on the Expiration
Date, one fully paid and nonassessable share of Common Stock (a "Warrant Share") at the Tranche C Exercise Price (as defined in the Warrant Agreement referred to on the reverse side hereof), payable
in lawful money of the United States of America, upon surrender of this Tranche C Warrant Certificate and payment of the Tranche C Exercise Price at the office or agency of the Warrant Agent, but only
subject to the conditions set forth herein and in the Warrant Agreement. The Tranche C Exercise Price and number of Warrant Shares issuable upon exercise of the Tranche C Warrants are subject to
adjustment upon the occurrence of certain events as set forth in the Warrant Agreement. 

        TRANCHE C WARRANTS NOT EXERCISED ON OR BEFORE 5:00 P.M., NEW YORK CITY TIME, ON JANUARY 25, 2006 SHALL BECOME VOID. 

        Reference
is hereby made to the further provisions of this Tranche C Warrant Certificate set forth on the reverse hereof, and such further provisions shall for all purposes have the same
effect as though fully set forth at this place. 

        This
Tranche C Warrant Certificate shall not be valid unless countersigned by the Warrant Agent, as such term is used in the Warrant Agreement. 

        IN
WITNESS WHEREOF, Washington Group International, Inc. has caused this Tranche C Warrant Certificate to be duly executed. 

	

Dated:	
 	

 	
 	

 
	

COUNTERSIGNED:	
 	

 
	
WELLS FARGO BANK MINNESOTA, N.A.

AS WARRANT AGENT	
 	

 
	

BY:	
 	

/s/  L.M. KAUFMAN    

AUTHORIZED SIGNATORY	
 	

 

	
WASHINGTON GROUP INTERNATIONAL, INC.
	
ASSET:	
 	

/s/  CRAIG G. TAYLOR    

CORPORATE SECRETARY	
 	

BY:	
 	

/s/  STEPHEN G. HANKS    

PRESIDENT AND CHIEF EXECUTIVE OFFICER

        The Tranche C Warrants evidenced by this Tranche C Warrant Certificate are part of a duly authorized issue of Tranche C Warrants expiring on
the Expiration Date entitling the holder on exercise to receive shares of Common Stock of the Company and are issued or to be issued pursuant to a Warrant Agreement dated as of January 25, 2002
(the "Warrant Agreement"), duly executed and delivered by the Company to Wells Fargo Bank Minnesota, National Association, a national banking association, as Warrant Agent (the "Warrant Agent"), which
Warrant Agreement is hereby incorporated by reference in and made a part of this instrument and is hereby referred to for a description of the rights, limitation of rights, obligations, duties and
immunities thereunder of the Warrant Agent, the Company and the holders (the words "holders" or "holder" meaning the registered holders or registered holder of the Tranche C Warrants). A copy
of the Warrant Agreement may be obtained by the holder hereof upon written request to the Company. By accepting initial delivery, transfer or exchange of this Tranche C Warrant, the duly
registered holder shall be deemed to have agreed to the terms of the Warrant Agreement (including Section 21 thereof) as it may be in effect from time to time, including any amendments or
supplements duly adopted in accordance therewith. 

        The
holder of Tranche C Warrants evidenced by this Tranche C Warrant Certificate may exercise them by surrendering this Tranche C Warrant Certificate, with the form
of election to purchase set forth hereon properly completed and executed, together with payment of the Tranche C Exercise Price in the manner described below at the office of the Warrant Agent.
In the event that upon any exercise of Tranche C Warrants evidenced hereby the number of Tranche C Warrants exercised shall be less than the total number of Tranche C Warrants
evidenced hereby, there shall be issued to the holder hereof or its assignee a new Tranche C Warrant Certificate evidencing the number of Tranche C Warrants not exercised. 

        Payment
of the Tranche C Exercise Price may be made in cash by wire transfer to the Warrant Agent for the account of the Company or by certified or official bank check or checks
to the order of the Company or by any combination thereof. 

        The
Warrant Agreement provides that upon the occurrence of certain events the number of shares of Common Stock issuable upon the exercise of each Tranche C Warrant, and the
Tranche C Exercise Price of each Tranche C Warrant, may, subject to certain conditions, be adjusted. No fractions of a share of Common Stock will be issued upon the exercise of any
Tranche C Warrant, but the Company shall pay the cash value thereof determined as provided in this Warrant Agreement. 

        Tranche C
Warrant Certificates, when surrendered at the office of the Warrant Agent by the registered holder thereof in person or by legal representative or attorney duly
authorized in writing, may be exchanged, in the manner and subject to the limitations provided in the Warrant Agreement, but without payment of any service charge, for another Tranche C Warrant
Certificate or Tranche C Warrant Certificates of like tenor evidencing in the aggregate a like number of Tranche C Warrants. 

        Upon
due presentation for registration of transfer of this Tranche C Warrant Certificate at the office of the Warrant Agent, a new Tranche C Warrant Certificate or
Tranche C Warrant Certificates of like tenor and evidencing in the aggregate a like number of Tranche C Warrants shall be issued to the transferee(s) in exchange for this
Tranche C Warrant Certificate, subject to the limitations provided in the Warrant Agreement, without charge except for any tax or other governmental charge imposed in connection therewith. 

        The
Company and the Warrant Agent may deem and treat the registered holder(s) hereof as the absolute owner(s) of this Tranche C Warrant Certificate (notwithstanding any notation
of ownership or other writing hereon made by anyone), for the purpose of any exercise hereof, of any distribution to the holder(s) hereof, and for all other purposes, and neither the Company nor the
Warrant Agent shall be affected by any notice to the contrary. Neither the Tranche C Warrants nor this Tranche C Warrant Certificate entitles any holder hereof to any rights of a
stockholder of the Company. 

PURCHASE FORM  

        The undersigned hereby irrevocably elects to exercise this Tranche C Warrant, according to the terms and conditions hereof, to the extent of purchasing
                        shares of Common Stock and hereby makes payment of
$                        in payment of the exercise price thereof. Pursuant to Section 4.3 of the Warrant Agreement, the
undersigned
hereby represents and warrants to the Company that any necessary filing and notification pursuant to the HSR Act required in connection with the purchase of such shares has been made, at Holder's own
expense, including supplying any required additional information or documents, and any applicable waiting period under the HSR Act has expired. If the number of such shares shall not be all of the
shares purchasable under this Tranche C Warrant, a new Tranche C Warrant Certificate for the balance remaining shall be issued in the name of the undersigned or its assignee as indicated
on the Assignment Form. 

	Dated:	 	 	 	 
	 	 	
	 	 
	Name:	 	 	 	 
	 	 	

	 	 	(please typewrite or print in block letters)
	Address:	 	 	 	 
	 	 	

	Signature:	 	 	 	 
	 	 	

	 	 	Note: The signature must conform in all respects to name of holder as specified on the face of this Tranche C Warrant Certificate
	Signature(s) Guaranteed:	 	 
	

By	
 	

 	
 	

 
	 	 	
	 	 
	The signature(s) should be guaranteed by an eligible guarantor institution (banks, stockbrokers, savings and loan associations and credit unions with membership in an approved signature guarantee medallion
program), pursuant to S.E.C. Rule 17Ad-15.	 	 

ASSIGNMENT FORM  

        FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers unto 

	Name:	 	 	 	 
	 	 	

	 	 	(please typewrite or print in block letters)
	Address:	 	 	 	 
	 	 	

its
right to purchase                          shares of Common Stock represented by this Tranche C Warrant and does
hereby irrevocably constitute and appoint
                        Attorney, to transfer the same on the books of the Company, with full power of substitution in the
premises. 

	Dated:	 	 	 	 	 	 
	 	 	
	 	 	 	 
	
	 	Signature:	 	 
	Social Security or other identifying number of Holder	 	 	 	

	 	 	 	 	 	 	Note: The signature must conform in all respects to name of holder as specified on the face of this Tranche C Warrant Certificate
	Signature(s) Guaranteed:	 	 	 	 
	

By	
 	

 	
 	

 	
 	

 
	 	 	
	 	 	 	 
	The signature(s) should be guaranteed by an eligible guarantor institution (banks, stockbrokers, savings and loan associations and credit unions with membership in an approved signature guarantee medallion
program), pursuant to S.E.C. Rule 17Ad-15.	 	 	 	 

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EXHIBIT 10.1    
  

Amendment No. 1 and Consent to Washington Group International, Inc. Credit Agreement  

        Consent and Amendment No. 1 (this "Amendment"), dated as of June 28, 2002, to the Credit Agreement,
dated as of January 24, 2002 (the "Credit Agreement"), among Washington Group International, Inc., a Delaware Corporation (the
"Borrower"), the financial institutions from time to time party thereto as lenders (the "Lenders"), the
financial institutions from time to time party thereto as issuers (the "Issuers") and Credit Suisse First Boston, as agent for such Lenders and Issuers
(in such capacity, the "Administrative Agent"). Capitalized terms used herein but not defined herein are used as defined in the Credit Agreement. 

W i t n e s s e t h:  

        Whereas, the Borrower has requested that the Lenders consent to the sale by the Borrower of its Denver-based Equipment & Services (E&S) Division (the
"Sale") for $1.75 Million and, in connection therewith, has requested that the Requisite Lenders waive the Borrower's obligation under  Section 2.10
(Mandatory Prepayments) of the Credit Agreement to prepay the Loans with the Net
Cash Proceeds received from the Sale and confirm that such Net Cash Proceeds shall not reduce the basket for Asset Sales in any Fiscal Year set forth in  Section 8.4(j) of the Credit Agreement, as
amended hereby; and 

        Whereas,
the Borrower has requested that Section 8.4 (Sale of Assets) of the Credit Agreement be amended to increase the basket for
Asset Sales in any Fiscal Year to five million dollars ($5,000,000); and 

        Now,
therefore, in consideration of the foregoing, the mutual covenants and obligations herein set forth and other good and valuable
consideration, the adequacy and receipt of which is hereby acknowledged, and in reliance upon the representations, warranties and covenants herein contained, the parties hereto, intending to be
legally bound, hereby agree as follows: 

 Section 1. Consent and Waiver.  

        The Requisite Lenders hereby consent to the Sale and hereby (i) waive the Borrower's obligation under Section 2.10
(Mandatory Prepayments) of the Credit Agreement to prepay the Loans with the Net Cash Proceeds received from the Sale and (ii) confirm that the Net Cash Proceeds
received from the Sale shall not reduce the basket for Asset Sales in any Fiscal Year set forth in Section 8.4(j)of the Credit Agreement, as
amended hereby. 

 Section 2. Amendments.  

        The Credit Agreement is, effective as of the Amendment Effective Date and subject the satisfaction (or due waiver) of the conditions set forth in  Section 3 (Conditions Precedent to the Effectiveness of this Amendment) hereof, hereby amended as
follows: 

        (a)  The
following definitions for the following terms are hereby inserted in Section 1.1 (Defined Terms) of the Credit
Agreement in the appropriate place to preserve the alphabetical order of the definitions in such section (and, if applicable, the following definitions shall replace in their entirety existing
definitions for the following terms in such section): 

        "Approved Additional Surety Facility" means any surety facility (a) that is on terms and conditions no less favorable to the Loan
Parties than those of the Surety Facility, (b) whose terms and conditions are satisfactory to the Administrative Agent and (c) a copy of which (together with all documents and
instruments executed in respect thereof) certified as true, correct and complete by the Borrower has been received by the Administrative Agent with sufficient copies for each
Lender.

 

        "Related Documents" means, collectively, the Plan of Reorganization, the Registration Rights Agreement, the Raytheon Settlement Agreement,
the Surety Facility, any Approved Additional Surety Facility, the Warrant Agreements and the Warrants. 

        (b)  Section 4.5 (Material Adverse Change) to the Credit Agreement is hereby amended and restated in its entirety to
read as follows: 

 Section 4.5 Material Adverse Change  

        Since May 14, 2001, there has been no Material Adverse Change and there have been no events or developments that, in the aggregate, have had a Material
Adverse Effect other than the execution and delivery of the Related Documents on or about the Closing Date. 

        (c)  Clause (h) of Section 8.1 (Indebtedness) to the Credit
Agreement is hereby amended and restated in its entirety to read as follows: 

        (h)  Indebtedness
consisting of reimbursement and other obligations arising under any surety bond issued under the Surety Facility or any Approved
Additional Surety Facility; 

        (d)  Clause (i) of Section 8.2 (Liens, Etc.) of the Credit
Agreement is hereby amended and restated in its entirety to read as follows: 

        (i)    (A) Liens
in favor of the Surety under the Surety Documents and subject to the Surety Intercreditor Agreement and (B) Liens arising
under any Approved Additional Surety Facility in connection with surety bonds thereunder and in favor of the surety therefor; provided,  however, that such Liens permitted pursuant to this clause (B) shall extend only to assets
relating directly to the Project bonded thereby;

        (e)  Clause (j) of Section 8.4 (Sale of Assets) of the Credit
Agreement is hereby amended and restated in its entirety to read as follows: 

        (j)    as
long as no Default or Event of Default is continuing or would result therefrom, any other Asset Sale for Fair Market Value, payable in cash upon such sale;  provided, however, that with respect to any such sale pursuant to this  clause (j), the aggregate consideration received for the sale of all assets sold during any Fiscal
Year shall not exceed  $5,000,000; and 

 Section 3. Conditions Precedent to the Effectiveness of this Amendment.  

        This Amendment shall become effective on the date (the "Amendment Effective Date") when, and only when, the
Administrative Agent shall have received this Amendment, duly executed by the Borrower, each Guarantor, the Administrative Agent and Lenders constituting Requisite Lenders. 

 Section 4. Representations and Warranties  

        On and as of the date hereof and as of the Amendment Effective Date, after giving effect to this Amendment, the Borrower hereby represents and warrants to the
Administrative Agent and each Lender as follows: 

        (a)  this
Amendment has been duly authorized, executed and delivered by the Borrower and each Guarantor and constitutes a legal, valid and binding obligation of the Borrower
and each Guarantor, enforceable against the Borrower and each Guarantor in accordance with its terms and the Credit Agreement as amended by this Amendment and constitutes the legal, valid and binding
obligation of the Borrower and each Guarantor, enforceable against the Borrower and each Guarantor in accordance with its terms; 

        (b)  each
of the representations and warranties contained in Article IV (Representations and Warranties) of the Credit
Agreement, the other Loan Documents or in any certificate, document or 

2

 

financial or other statement furnished at any time under or in connection therewith are true and correct in all material respects on and as of the date hereof and the Amendment Effective Date, in
each case as if made on and as of such date and except to the extent that such representations and warranties specifically relate to a specific date, in which case such representations and warranties
shall be true and correct in all material respects as of such specific date; provided, however, that
references therein to the "Credit Agreement" shall be deemed to refer to the Credit Agreement as amended hereby; 

        (c)  no
Default or Event of Default has occurred and is continuing; and 

        (d)  no
litigation has been commenced against any Loan Party or any of its Subsidiaries seeking to restraint or enjoin (whether temporarily, preliminarily or permanently) the
performance of any action by any Loan Party required or contemplated by this Amendment, the Credit Agreement or any Loan Document, in each case as amended hereby (if applicable). 

 Section 5. Fees and Expenses  

        The Borrower and each other Loan Party agrees to pay on demand in accordance with the terms of Section 11.3 (Costs and
Expenses) of the Credit Agreement all costs and expenses of the Administrative Agent in connection with the preparation, reproduction, execution and delivery of this Amendment
and all other Loan Documents entered into in connection herewith (including, without limitation, the reasonable fees and out-of-pocked expenses of counsel for the
Administrative Agent with respect thereto and all other Loan Documents). 

 Section 6. Reference to the Effect on the Loan Documents  

        (a)  As
of the Amendment Effective Date, each reference in the Credit Agreement to "this Agreement,"
"hereunder," "hereof," "herein," or words of like
import, and each reference in the other Loan Documents to the Credit Agreement (including, without limitation, by means of words like "thereunder",
"thereof" and words of like import), shall mean and be a reference to the Credit Agreement as amended hereby as of the Amendment Effective Date, and
this Amendment and the Credit Agreement shall be read together and construed as a single instrument. 

        (b)  Except
as expressly amended hereby or specifically waived above, all of the terms and provisions of the Credit Agreement and all other Loan Documents are and shall
remain in full force and effect and are hereby ratified and confirmed. 

        (c)  The
execution, delivery and effectiveness of this Amendment shall not, except as expressly provided herein, operate as a waiver of any right, power or remedy of the
Lenders, Issuers, Arranger or the Administrative Agent under any of the Loan Documents, nor constitute a waiver or amendment of any other provision of any of the Loan Documents or for any purpose
except as expressly set forth herein. 

        (d)  This
Amendment is a Loan Document. 

 Section 7. Consent of Guarantors  

        Each Guarantor hereby consents to this Amendment and agrees that the terms hereof shall not affect in any way its obligations and liabilities under the Loan
Documents (as amended and otherwise expressly modified hereby), all of which obligations and liabilities shall remain in full force and effect and each of which is hereby reaffirmed (as amended and
otherwise expressly modified hereby). 

3

 

 Section 8. Execution in Counterparts  

        This Amendment may be executed in any number of counterparts and by different parties in separate counterparts, each of which when so executed shall be deemed to
be an original and all of which taken together shall constitute one and the same agreement. Signature pages may be detached from multiple separate counterparts and attached to a single
counterpart so that all signature pages are attached to the same document. Delivery of an executed counterpart by telecopy shall be effective as delivery of a manually executed counterpart of
this Amendment. 

 Section 9. Governing Law  

        This Amendment shall be governed by and construed in accordance with the law of the State of New York. 

 Section 10. Headings  

        The headings contained in this Amendment are and shall be without substantive meaning or content of any kind whatsoever and are not a part of the agreement
between the parties hereto. Any reference to the number of a clause, sub-clause or subsection of any Loan Document immediately followed by a reference in parenthesis to the title of
the section of such Loan Document containing such clause, sub-clause or subsection is a reference to such clause, sub-clause or subsection and not to the
entire section, and the numbered reference shall governed in case of direct conflict. If any reference to the number of a section (but not to any clause, sub-clause or subsection
thereof) of any Loan Document is followed immediately by a reference in parenthesis to the title of a section of any Loan Document, the title reference shall govern in case of direct conflict. 

 Section 11. Notices  

        All communications and notices hereunder shall be given as provided in the Credit Agreement. 

 Section 12. Severability  

        The fact that any term or provision of this Agreement is held invalid, illegal or unenforceable as to any person in any situation in any jurisdiction shall not
affect the validity, enforceability or legality of the remaining terms or provisions hereof or the validity, enforceability or legality of such offending term or provision in any other situation or
jurisdiction or as applied to any person 

 Section 13. Successors  

        The terms of this Amendment shall be binding upon, and shall inure to the benefit of, the parties hereto and their respective successors and assigns. 

 Section 14. Waiver of Jury Trial  

        Each of the parties hereto irrevocably waives trial by jury in any action or proceeding with respect to this Amendment or any other Loan Document. 

[Signature
Pages Follow] 

4

        In Witness Whereof, the parties hereto have caused this Amendment to be executed by their respective officers and general partners
thereunto duly authorized, as of the date first above written. 

	

 	
 	
CREDIT SUISSE FIRST BOSTON,
 as Administrative Agent, Lender and Issuer
	

 	
 	

By:	
 	

/s/  ROBERT HETU      

	 	 	Name:	 	Robert Hetu
	 	 	Title:	 	Director
	

 	
 	

By:	
 	

/s/  IAN W. NALITT      

	 	 	Name:	 	Ian W. Nalitt
	 	 	Title:	 	Associate
	

 	
 	
CREDIT SUISSE FIRST BOSTON,
 as Fronting Lender acting at the direction of the Tranche B Investors
	
 	
 	

By:	
 	

/s/  ROBERT HETU      

	 	 	Name:	 	Robert Hetu
	 	 	Title:	 	Director
	

 	
 	

By:	
 	

/s/  IAN W. NALITT      

	 	 	Name:	 	Ian W. Nalitt
	 	 	Title:	 	Associate

	

Accepted and Agreed:	
 	

 
	
WASHINGTON GROUP INTERNATIONAL, INC.,
 as Borrower	
 	

 
	

By:	
 	

/s/  FRANK S. FINLAYSON      
	
 	

 
	Name:	 	Frank S. Finlayson	 	 
	Title:	 	Authorized Officer	 	 
	
Guarantors:	
 	

 
	
EACH OF THE GUARANTORS SET FORTH ON SCHEDULE I HERETO	
 	

 
	

By:	
 	

/s/  FRANK S. FINLAYSON      
	
 	

 
	Name:	 	Frank S. Finlayson	 	 
	Title:	 	Authorized Officer	 	 

	

 	
 	
SRF 2000 LLC,
 as Lender
	

 	
 	

By:	
 	

/s/  DIANA L. MUSHILL      

	 	 	Name:	 	Diana L. Mushill
	 	 	Title:	 	Asst. Vice President
	

 	
 	
SRF TRADING, INC.,
 as Lender
	

 	
 	

By:	
 	

/s/  DIANA L. MUSHILL      

	 	 	Name:	 	Diana L. Mushill
	 	 	Title:	 	Asst. Vice President
	

 	
 	
FARALLON ENGINEERING, LLC
 as Lender
	

 	
 	

By:	
 	

/s/  FARALLON CAPITAL MANAGEMENT, LLC      

	

 	
 	

By:	
 	

/s/  MERIDEE MOORE      

	 	 	Name:	 	Meridee Moore
	 	 	Title:	 	 
	

 	
 	
BANK OF AMERICA, N.A.
 as Lender
	

 	
 	

By:	
 	

/s/  THERESE FONTAINE      

	 	 	Name:	 	Therese Fontaine
	 	 	Title:	 	Managing Director
	

 	
 	
TEXTRON FINANCIAL CORPORATION,
 as Lender
	

 	
 	

By:	
 	

/s/  MATTHEW J. COLGAN      

	 	 	Name:	 	Matthew J. Colgan
	 	 	Title:	 	Director

	

 	
 	
ABLECO FINANCE LLC,
 as Lender
	

 	
 	

By:	
 	

/s/  KEVIN GENDA      

	 	 	Name:	 	Kevin Genda
	 	 	Title:	 	Senior Vice President
	

 	
 	
BANCO ESPIRITO SANTO, S.A.,
 as Lender
	

 	
 	

By:	
 	

/s/  ANDREW M. ORSEN      

	 	 	Name:	 	Andrew M. Orsen
	 	 	Title:	 	Vice President
	

 	
 	

By:	
 	

/s/  TERRY R. HULL      

	 	 	Name:	 	Terry R. Hull
	 	 	Title:	 	Senior Vice President
	

 	
 	
CONTINENTAL CASUALTY COMPANY
 as Lender
	

 	
 	

By:	
 	

/s/  RICHARD W. DUBBERKE      

	 	 	Name:	 	Richard W. Dubberke
	 	 	Title:	 	Vice President

Schedule I  

 Guarantors  

SCHEDULE I—GUARANTORS  

	Company Name
 
	 	Jurisdiction

	Asia Badger, Inc.	 	Delaware
	

Badger America, Inc.	
 	

Delaware
	

Badger Energy, Inc.	
 	

Delaware
	

Badger Middle East Inc.	
 	

Delaware
	

Catalytic Industrial Maintenance Co., Inc.	
 	

Delaware
	

CF Environmental Corporation	
 	

Massachusetts
	

Cia. Internacional de Ingenieria, S.A.	
 	

Nevada
	

Ebasco International Corporation	
 	

Delaware
	

Emkay Capital Investments, Inc.	
 	

Nevada
	

Energy Overseas International, Inc.	
 	

Delaware
	

Gulf Design Corporation, Inc.	
 	

Florida
	

Harbert-Yeargin, Inc.	
 	

Delaware
	

HCC Holding, Inc.	
 	

California
	

Industrial Constructors Corp.	
 	

Montana
	

McBride Ratcliff & Associates Inc.	
 	

Texas
	

Middle East Holdings Limited (f/k/a/ Raytheon Engineers & Constructors Middle East Limited)	
 	

Colorado
	

MK Aviation Services, Inc.	
 	

Nevada
	

MK Capital Company	
 	

Nevada
	

MK Construction, Inc.	
 	

Nevada
	

MK Nevada LLC	
 	

Nevada
	

MK Train Control, Inc.	
 	

Nevada
	

MK-Ferguson Engineering Company	
 	

Michigan
	

MK-Ferguson of Idaho Company	
 	

Idaho
	

MK-Ferguson of Oak Ridge Company	
 	

Tennessee
	

Morrison Knudsen Corporation of Viet Nam	
 	

Nevada
	

Morrison Knudsen Leasing Corporation	
 	

Nevada
	

Morrison-Knudsen Company, Inc.	
 	

Delaware
	

Morrison-Knudsen Engineers, Inc.	
 	

Nevada
	

Morrison-Knudsen Services, Inc.	
 	

Nevada
	

National Projects Southwest, Inc.	
 	

Delaware
	

National Projects, Inc.	
 	

Nevada
	

Pomeroy Corporation	
 	

California
	

Raytheon Architects, Ltd.	
 	

Colorado
	
 	
 	

 

	

Raytheon Engineers & Constructors (Aruba) Ltd.	
 	

Delaware
	

Raytheon Engineers & Constructors (Ireland) Ltd.	
 	

Delaware
	

Raytheon Engineers & Constructors (Russia) Ltd.	
 	

Massachusetts
	

Raytheon Engineers & Constructors Midwest LLC	
 	

Ohio
	

Raytheon Engineers & Constructors Midwest, Inc.	
 	

Delaware
	

Raytheon Infrastructure, Inc.	
 	

New York
	

Raytheon Nuclear Inc.	
 	

Delaware
	

Raytheon-Ebasco Indonesia Ltd.	
 	

Delaware
	

Raytheon-Ebasco Overseas Ltd.	
 	

Delaware
	

Raytheon-Ebasco Pakistan Ltd.	
 	

Delaware
	

Rust Constructors Puerto Rico, Inc.	
 	

Nevada
	

Rust Constructors, Inc.	
 	

Delaware
	

Specialty Technical Services Inc.	
 	

Pennsylvania
	

Stearns Catalytic Corporation	
 	

Delaware
	

United Engineers Far East, Ltd.	
 	

Delaware
	

United Engineers International, Inc.	
 	

Pennsylvania
	

United Mid-East, Inc.	
 	

Delaware
	

Washington Architects LLC	
 	

Delaware
	

Washington Construction Corporation	
 	

Montana
	

Washington Contractors Group, Inc.	
 	

Montana
	

Washington Demilitarization Company	
 	

Delaware
	

Washington Electrical, Inc.	
 	

Nevada
	

Washington Engineering Quality Services Corporation (formerly Raytheon Engineering Quality Services Corporation)	
 	

Delaware
	

Washington Group International, Inc.	
 	

Ohio
	

Washington Group Latin America, Inc. (formerly Raytheon Engineers & Constructors Latin America, Inc.)	
 	

Delaware
	

Washington Infrastructure Services, Inc.	
 	

Colorado
	

Washington International, Inc.	
 	

Nevada
	

Washington Ohio Services LLC	
 	

Nevada
	

Washington Quality Inspection Company (formerly	
 	

Delaware
	

Raytheon Quality Inspection Company) Washington Quality Programs Company	
 	

Delaware
	

Washington-Catalytic, Inc.	
 	

Delaware
	

WCG Holdings, Inc.	
 	

Montana
	

WCG Leasing, Inc.	
 	

Montana
	

WCGI, Inc. (formerly Raytheon Constructors International, Inc.)	
 	

Delaware
	
 	
 	

 

	

WGI Panama Ltd.	
 	

Delaware
	

WGI Trinidad & Tobago Ltd.	
 	

Delaware
	

Yampa Mining Co.	
 	

Nevada

Letter of Direction 

	To:	 	Credit Suisse First Boston

Eleven Madison Avenue

New York, NY 10010
	

 	
 	

Attention: Robert Hetu

Ladies
and Gentlemen: 

        Reference
is made to Amendment No. 1 and Consent (the "Amendment"), dated as of June 28, 2002, to the Credit Agreement,
dated as of January 24, 2002, among Washington Group International, Inc., a Delaware Corporation, the financial institutions from time to time party thereto as lenders, the financial
institutions from time to time party thereto as issuers and Credit Suisse First Boston, as agent for such Lenders and Issuers. Capitalized terms used herein without definition are used herein as
defined in the Credit Agreement. 

        As
a Tranche B Investor, the undersigned hereby consents to the Amendment, in the form attached, and hereby direct Credit Suisse First Boston, as Fronting Lender, to enter into such
Amendment. 

        This
letter shall be governed by, and be construed and interpreted in accordance with, the law of the State of New York. 

[Signature
Pages Follow] 

        This
letter may be executed in one or more counterparts, each of which shall be deemed an original and all of which shall constitute one and the same document and one or more of which
(or portions hereof) may be delivered by telecopier, with the intention that they shall have the same effect as an original counterpart hereof (or portions hereof). 

	

 	
 	

Very truly yours,
	

 	
 	
LEHMAN COMMERCIAL PAPER INC.,
 as Tranche B Investor
	

 	
 	

By:	
 	

/s/  SALLY M. NANCOZ      

	 	 	Name:	 	Sally M. Nancoz
	 	 	Title:	 	Authorized Signatory
	

 	
 	

By:	
 	

	 	 	Name:	 	 
	 	 	Title:	 	 

        This
letter may be executed in one or more counterparts, each of which shall be deemed an original and all of which shall constitute one and the same document and one or more of which
(or portions hereof) may be delivered by telecopier, with the intention that they shall have the same effect as an original counterpart hereof (or portions hereof). 

	

 	
 	

Very truly yours,
	

 	
 	
STEIN ROE FLOATING RATE LIMITED LIABILITY COMPANY,
 as Tranche B Investor
	

 	
 	

By:	
 	

/s/  JAMES R. FELLOWS      

	 	 	Name:	 	James R. Fellows
	 	 	Title:	 	Senior Vice President Stein Roe & Farnham Incorporated, as Advisor to the Stein Roe Floating Rate Limited Liability Company
	

 	
 	

By:	
 	

/s/  N/A      

	 	 	Name:	 	 
	 	 	Title:	 	 

        This
letter may be executed in one or more counterparts, each of which shall be deemed an original and all of which shall constitute one and the same document and one or more of which
(or portions hereof) may be delivered by telecopier, with the intention that they shall have the same effect as an original counterpart hereof (or portions hereof). 

	

 	
 	

Very truly yours,
	

 	
 	
LIBERTY-STEIN ROE ADVISOR FLOATING RATE ADVANTAGE FUND, BY STEIN ROE & FARNHAM INCORPORATED AS ADVISOR
 as Tranche B Investor
	

 	
 	

By:	
 	

/s/  JAMES R. FELLOWS      

	 	 	Name:	 	James R. Fellows
	 	 	Title:	 	Sr. Vice President & Portfolio Manager
	

 	
 	

By:	
 	

/s/  N/A      

	 	 	Name:	 	 
	 	 	Title:	 	 

        This
letter may be executed in one or more counterparts, each of which shall be deemed an original and all of which shall constitute one and the same document and one or more of which
(or portions hereof) may be delivered by telecopier, with the intention that they shall have the same effect as an original counterpart hereof (or portions hereof). 

	

 	
 	

Very truly yours,
	

 	
 	
STEIN ROE & FARNHAM CLO1 LTD., BY STEIN ROE & FARNHAM INCORPORATED AS PORTFOLIO MANAGER
 as Tranche B Investor
	

 	
 	

By:	
 	

/s/  JAMES R. FELLOWS      

	 	 	Name:	 	James R. Fellows
	 	 	Title:	 	Sr. Vice President & Portfolio Manager
	

 	
 	

By:	
 	

/s/  N/A      

	 	 	Name:	 	 
	 	 	Title:	 	 

        This
letter may be executed in one or more counterparts, each of which shall be deemed an original and all of which shall constitute one and the same document and one or more of which
(or portions hereof) may be delivered by telecopier, with the intention that they shall have the same effect as an original counterpart hereof (or portions hereof). 

	

 	
 	

Very truly yours,
	

 	
 	
AURUM CLO 2002-1 LTD., BY STEIN ROE & FARNHAM INCORPORATED AS INVESTMENT MANAGER
 as Tranche B Investor
	

 	
 	

By:	
 	

/s/  JAMES R. FELLOWS      

	 	 	Name:	 	James R. Fellows
	 	 	Title:	 	Sr. Vice President & Portfolio Manager
	

 	
 	

By:	
 	

/s/  N/A      

	 	 	Name:	 	 
	 	 	Title:	 	 

        This
letter may be executed in one or more counterparts, each of which shall be deemed an original and all of which shall constitute one and the same document and one or more of which
(or portions hereof) may be delivered by telecopier, with the intention that they shall have the same effect as an original counterpart hereof (or portions hereof). 

	

 	
 	

Very truly yours,
	

 	
 	
CONTINENTAL CASUALTY COMPANY
 as Tranche B Investor
	

 	
 	

By:	
 	

/s/  RICHARD W. DUBBERKE      

	 	 	Name:	 	Richard W. Dubberke
	 	 	Title:	 	Vice President
	

 	
 	

By:	
 	

/s/  N/A      

	 	 	Name:	 	 
	 	 	Title:	 	 

Canyon Capital Advisors

9665 Wilshire Blvd., #200

Beverly Hills, CA 90212  

PROPORTIONATE VOTING PROVISION  

        The undersigned, Canyon Capital CDO 2002-1 Ltd., ("Canyon"), is a Lender to the Washington
Group International, Inc., dated as of 01/24/2002 (the "Credit Agreement".) Canyon's approval of a proposed Amendment #1 has been requested pursuant to the terms of the Credit Agreement. The
Amendment #1 must be approved by the Required Lenders under the Credit Agreement. 

        Canyon
hereby votes its percentage interest as a Lender in favor of and/or against the approval of Amendment #1 in direct proportion to the votes of those other Lenders under the Credit
Agreement that have voted for or against the approval of Amendment #1 (without counting failure to vote or abstentions.) 

	

 	
 	
Canyon Capital CDO 2002-1 Ltd.,
	

 	
 	

An exempted limited liability company incorporated

Under the laws of the Cayman Islands
	

By:	
 	

Canyon Capital Advisors LLC a Delaware limited liability company, its Collateral Manager	
 	

 
	

By:	
 	

/s/  MITCHELL R. JULIS      
 Mitchell R. Julis

Managing Director	
 	

Date: 6/25/02

Canyon Capital Advisors

9665 Wilshire Blvd., #200

Beverly Hills, CA 90212  

PROPORTIONATE VOTING PROVISION  

        The undersigned, Canyon Capital CDO 2001-1 Ltd., ("Canyon"), is a Lender to the Washington
Group International, Inc., dated as of 01/24/2002 (the "Credit Agreement".) Canyon's approval of a proposed Amendment #1 has been requested pursuant to the terms of the Credit Agreement. The
Amendment #1 must be approved by the Required Lenders under the Credit Agreement. 

        Canyon
hereby votes its percentage interest as a Lender in favor of and/or against the approval of Amendment #1 in direct proportion to the votes of those other Lenders under the Credit
Agreement that have voted for or against the approval of Amendment #1 (without counting failure to vote or abstentions.) 

	

 	
 	
Canyon Capital CDO 2001-1 Ltd.,
	

 	
 	

An exempted limited liability company incorporated

Under the laws of the Cayman Islands
	

By:	
 	

Canyon Capital Advisors LLC a Delaware limited liability company, its Collateral Manager	
 	

 
	

By:	
 	

/s/  MITCHELL R. JULIS      
 Mitchell R. Julis

Managing Director	
 	

Date: 6/25/02

QuickLinks

EXHIBIT 10.1

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