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Exhibit 4.1    
  

 
 

AMENDMENT NUMBER 6
  TO THE INDENTURE    
  

        THIS AMENDMENT NUMBER 6, dated as of September 16, 2002 (the "Amendment") to the Indenture, dated as of February 9, 2001 (as amended or supplemented
from time to time as permitted thereby, the "Indenture"), by and between BRL Universal Compression Funding I, L.P. (the "Issuer") and Wells Fargo Bank Minnesota, N.A. (f/k/a Wells Fargo Bank
Minnesota, National Association), as indenture trustee (the "Indenture Trustee"). 

W I T N E S S E T H:

        WHEREAS,
the Issuer and the Indenture Trustee have previously entered into the Indenture and Amendments Numbers 1, 2, 3 4 and 5 thereto; 

        WHEREAS,
the parties desire to further amend the Indenture in order to modify certain provisions of the Indenture; 

        NOW
THEREFORE, in consideration of the premises and mutual covenants herein contained, the parties hereto agree as follows: 

        SECTION
1.    Defined Terms.    Capitalized terms used in this Amendment and not otherwise defined herein shall have
the meanings assigned in the Indenture. 

        SECTION
2.    Full Force and Effect.    Other than as specifically modified hereby, the Indenture shall remain in full
force and effect in accordance with the terms and provisions thereof and is hereby ratified and confirmed by the parties hereto. 

        SECTION
3.    Amendment to the Indenture.    Pursuant to Section 1002 of the Indenture, effective on the date
hereof, following the execution and delivery hereof, 

        (a)  The
definition of "Appraisal Date" in Section 101 of the Indenture is hereby amended to read in its entirety as follows: 

        Appraisal Date:    The earlier to occur of (a) the date of issuance of the Issuer's
"Series 2002-1 Notes" and (b) October 18, 2002 (or if such day is not a Business Day, the next succeeding Business Day), and, thereafter, each anniversary (or if such
day is not a Business Day, the next succeeding Business Day) of the occurrence of such earlier date. 

        (b)  Section 632
of the Indenture is hereby amended to read in its entirety as follows: 

        "New Master Lease Agreement with Users.    With respect to each Owner Compressor, the Issuer shall (or shall cause
such actions to be taken), within the timeframe set forth below, cause each related User to execute a revised master lease agreement, substantially in the form of Exhibit F hereto. The Issuer
shall be deemed to be in compliance with this Section if Users representing one hundred percent (100%) of the Aggregate Appraised Value have executed such revised master lease agreement by the earlier
to occur of (a) the date of issuance of the Issuer's "Series 2002-1 Notes" and (b) October 18, 2002 (or if such day is not a Business Day, the next succeeding
Business Day)." 

        SECTION
4.    Covenants.    Each of the Issuer and the Indenture Trustee hereby confirms that each of the covenants,
representations and warranties set forth in Article VI and Section 911, as applicable, of the Indenture are true and correct as of the date first written above with the same effect as
though each had been made as of such date, except to the extent that any of such covenants, representations and warranties expressly relate to earlier dates. 

        SECTION
5.    Effectiveness of Amendment.

        (a)  This
Amendment shall become effective as of the date first written above. 

 

        (b)  This
Amendment shall be binding upon and inure to the benefit of the parties hereto and their respective successors and assigns. 

        (c)  On
and after the execution and delivery hereof, (i) this Amendment shall be a part of the Indenture, and (ii) each reference in the Indenture to "this
Indenture" or "hereof", "hereunder" or words of like import, and each reference in any other document to the Indenture shall mean and be a reference to the Indenture as amended or modified hereby. 

        SECTION
6.    Execution in Counterparts.    This Amendment may be executed by the parties hereto in separate
counterparts, each of which shall be deemed to be an original and all of which shall constitute together but one and the same agreement. 

        SECTION
7.    Governing Law.    THIS AMENDMENT SHALL BE CONSTRUED IN ACCORDANCE WITH THE LAWS
OF THE STATE OF NEW YORK WITHOUT REGARD TO CONFLICT OF LAW PRINCIPLES; PROVIDED THAT SECTIONS 5-1401 AND 5-1402 OF THE NEW YORK
GENERAL OBLIGATIONS LAW SHALL APPLY, AND THE OBLIGATIONS, RIGHTS AND REMEDIES OF THE PARTIES HEREUNDER SHALL BE DETERMINED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK.

[Signature
pages follow.] 

2

 

        IN
WITNESS WHEREOF, the parties hereto have executed and delivered this Amendment on the date first above written. 

	

 	
 	

BRL UNIVERSAL COMPRESSION FUNDING I, L.P.
	

 	
 	

By:	

BRL Universal Compression Management, Inc., its General Partner
	

 	
 	

By:	

/s/  GREGORY C. GREENE      
 Name: Gregory C. Greene

Title: President
	

 	
 	

WELLS FARGO BANK MINNESOTA, NATIONAL ASSOCIATION, as Indenture Trustee
	

 	
 	

By:	

/s/  EDNA BARBER      
 Name: Edna Barber

Title: Assistant Vice President

	

The undersigned hereby consent to the amendment to the Indenture:	

 
	

VARIABLE FUNDING CAPITAL CORPORATION, as Holder and Requisite Global Majority	

 
	

By:	
 	

Wachovia Securities, Inc., as attorney-in-fact	

 
	

 	
 	

By:	
 	

/s/  DOUGLAS R. WILSON, SR.      
	

 
	 	 	Name: Douglas R. Wilson, Sr.

Title: Vice President	 
	

WACHOVIA SECURITIES, INC.	

 
	

By:	
 	

/s/  MANOJ KUMAR      
 Name: Manoj Kumar

Title: Director	

 
	
 	
 	

 	
 	

 	

 

3

 

	

WACHOVIA BANK, NATIONAL ASSOCIATION	

 
	

By:	
 	

/s/  DANIEL MILLER      
 Name: Daniel Miller

Title: Director	

 

4

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Exhibit 4.1

AMENDMENT NUMBER 6 TO THE INDENTUREQuickLinks
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Exhibit 10.1    
  

 
  AMENDMENT NUMBER 9
  TO THE MANAGEMENT AGREEMENT    
  

        THIS AMENDMENT NUMBER 9, dated as of September 16, 2002 (the "Amendment") to the Management Agreement, dated as of February 9, 2001 (as amended or
supplemented from time to time as permitted thereby, the "Management Agreement"), by and among Universal Compression, Inc. (the "Manager"), UCO Compression LLC ("UCO") and BRL Universal
Compression Funding I, L.P. (the "Issuer"). 

W I T N E S S E T H:  

        WHEREAS, the Manager, UCO and the Issuer have previously entered into the Management Agreement and Amendments Numbers 1, 2, 3, 4, 5, 6, 7 and 8 thereto; 

        WHEREAS,
the parties desire to further amend the Management Agreement in order to modify certain provisions of the Management Agreement; 

        NOW
THEREFORE, in consideration of the premises and mutual covenants herein contained, the parties hereto agree as follows: 

        SECTION
1. Defined Terms. Capitalized terms used in this Amendment and not otherwise defined herein shall have the meanings assigned in
the Management Agreement. 

        SECTION
2. Full Force and Effect. Other than as specifically modified hereby, the Management Agreement shall remain in full force and
effect in accordance with the terms and provisions thereof and is hereby ratified and confirmed by the parties hereto. 

        SECTION
3. Amendment to the Management Agreement. Effective on the date hereof, following the execution and delivery hereof, 

        (a)  The
second sentence of Section 5.7 of the Management Agreement is hereby amended to read in its entirety as follows: 

        Property
Insurance shall not have deductibles in excess of $250,000 per occurrence; provided that, on and after the earlier to occur of
(a) the date of issuance of the Issuer's "Series 2002-1 Notes" and (b) October 18, 2002 (or if such day is not a Business Day, the next succeeding Business
Day), the Property Insurance shall not have deductibles in excess of (x) $250,000 per occurrence and (y) $2,000,000 annnually, in the aggregate; and provided
further that, at all times, the Liability Insurance shall not have deductibles in excess of $250,000 per occurrence. 

        (b)  Section 9.11
of the Management Agreement is hereby amended to read in its entirety as follows: 

        New Master Lease Agreement with Users. With respect to each Owner Compressor, the Manager shall, within the timeframe set forth below,
cause each related User to execute a revised master lease agreement, substantially in the form of Exhibit F hereto. The Manager shall be deemed to be in compliance with this Section if Users
representing one hundred percent (100%) of the Aggregate Appraised Value have executed such revised master lease agreement by the earlier to occur of (a) the date of issuance of the Issuer's
"Series 2002-1 Notes" and (b) October 18, 2002 (or if such day is not a Business Day, the next succeeding Business Day). 

        (c)  Section 9.12
of the Management Agreement is hereby amended in its entirety to read as follows: 

        Appraisals. By the earlier to occur of (a) the date of issuance of the Issuer's "Series 2002-1 Notes" and
(b) October 18, 2002 (or if such day is not a Business Day, the next succeeding Business Day) the Manager shall (at its own expense) furnish (or cause to be furnished) to the Owner and
to each Entitled Party two (2) Appraisals setting forth the Appraised Value of each Lease Pool as of the date of such Appraisal. Upon delivery of such Appraisals, the Appraised 

 

Value of each Compressor shall be adjusted in accordance with the provisions set forth in the definition of the term "Appraised Value." 

        Thereafter,
on the anniversary (or if such day is not a Business Day, the next succeeding Business Day) of the earlier to occur of (a) the date of issuance of the Issuer's
"Series 2002-1 Notes" and (b) October 18, 2002 (or if such day is not a Business Day, the next succeeding Business Day), the Manager shall (at its own expense) furnish
(or cause to be furnished) to the Owner and to each Entitled Party three (3) Appraisals setting forth the Appraised Value of each Lease Pool as of the date of such Appraisal. 

        SECTION
4. Representations and Warranties. Each of the Manager, UCO and the Issuer hereby confirm that each of the covenants,
representations and warranties set forth in Articles 9 and 18, as applicable, of the Management Agreement are true and correct as of the date first written above with the same effect as though each
had been made as of such date, except to the extent that any of such covenants, representations and warranties expressly relate to earlier dates. 

        SECTION
5. Effectiveness of Amendment. 

        (a)  This
Amendment shall become effective as of the date first written above. 

        (b)  This
Amendment shall be binding upon and inure to the benefit of the parties hereto and their respective successors and assigns. 

        (c)  On
and after the execution and delivery hereof, (i) this Amendment shall be a part of the Management Agreement, and (ii) each reference in the Management
Agreement to "this Agreement" or "hereof", "hereunder" or words of like import, and each reference in any other document to the Management Agreement shall mean and be a reference to the Management
Agreement as amended or modified hereby. 

        SECTION
6. Execution in Counterparts. This Amendment may be executed by the parties hereto in separate counterparts, each of which shall
be deemed to be an original and all of which shall constitute together but one and the same agreement. 

        SECTION
7. Governing Law. THIS AMENDMENT SHALL BE CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK
WITHOUT REGARD TO CONFLICT OF LAW PRINCIPLES; PROVIDED THAT SECTIONS 5-1401 AND 5-1402 OF THE NEW YORK GENERAL OBLIGATIONS LAW SHALL APPLY, AND THE OBLIGATIONS, RIGHTS AND
REMEDIES OF THE PARTIES HEREUNDER SHALL BE DETERMINED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK.

[Signatures
follow.] 

2

 

        IN
WITNESS WHEREOF, the parties hereto have executed and delivered this Amendment on the date first above written. 

	

 	
 	

 	
 	

 	
 	

 	
 	

UNIVERSAL COMPRESSION, INC.
	

 	
 	

 	
 	

 	
 	

 	
 	

By:	
 	

/s/  RICHARD W. FITZGERALD      

	 	 	 	 	 	 	 	 	 	 	 	 	Name:	 	Richard W. FitzGerald
	 	 	 	 	 	 	 	 	 	 	 	 	Title:	 	Senior Vice President
	

 	
 	

 	
 	

 	
 	

 	
 	

UCO COMPRESSION LLC
	

 	
 	

 	
 	

 	
 	

 	
 	

By:	
 	

/s/  RICHARD W. FITZGERALD      

	 	 	 	 	 	 	 	 	 	 	 	 	Name:	 	Richard W. FitzGerald
	 	 	 	 	 	 	 	 	 	 	 	 	Title:	 	Senior Vice President
	

 	
 	

 	
 	

 	
 	

 	
 	

BRL UNIVERSAL COMPRESSION FUNDING I, L.P.
	

 	
 	

 	
 	

 	
 	

 	
 	

By:	
 	

BRL Universal Compression Management, Inc., its General Partner
	

 	
 	

 	
 	

 	
 	

 	
 	

 	
 	

By:	
 	

/s/  GREGORY C. GREENE      

	 	 	 	 	 	 	 	 	 	 	 	 	Name:	 	Gregory C. Greene
	 	 	 	 	 	 	 	 	 	 	 	 	Title:	 	President
	

The undersigned hereby consents to the amendment to the Management Agreement:	
 	

 	
 	

 	
 	

 	
 	

 
	

VARIABLE FUNDING CAPITAL CORPORATION, as Requisite Global Majority	
 	

 	
 	

 	
 	

 	
 	

 
	

By:	
 	

Wachovia Securities, Inc., as attorney-in-fact	
 	

 	
 	

 	
 	

 	
 	

 
	

 	
 	

By:	
 	

/s/  DOUGLAS R. WILSON, SR.      
	
 	

 	
 	

 	
 	

 	
 	

 
	 	 	 	 	Name	 	Douglas R. Wilson, Sr.	 	 	 	 	 	 	 	 
	 	 	 	 	Title:	 	Vice President	 	 	 	 	 	 	 	 
	

Acknowledged and Agreed:	
 	

 	
 	

 	
 	

 	
 	

 
	

WELLS FARGO BANK MINNESOTA, NATIONAL ASSOCIATION, as Indenture Trustee	
 	

 	
 	

 	
 	

 	
 	

 
	

By:	
 	

/s/  EDNA BARBER      
	
 	

 	
 	

 	
 	

 	
 	

 
	 	 	 	 	Name:	 	Edna Barber	 	 	 	 	 	 	 	 
	 	 	 	 	Title:	 	Assistant Vice President	 	 	 	 	 	 	 	 

3

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Exhibit 10.1

AMENDMENT NUMBER 9 TO THE MANAGEMENT AGREEMENT

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