UNIVERSAL COMPRESSION HOLDINGS INC
EXHIBIT 10.2
<DOCUMENT>
<TYPE>EX-10.2
<SEQUENCE>3
<FILENAME>a2146105zex-10_2.htm
<DESCRIPTION>EXHIBIT 10.2
<TEXT>
<HTML>
<HEAD>
</HEAD>
<BODY BGCOLOR="#FFFFFF" LINK=BLUE  VLINK=PURPLE>
<BR>
<FONT SIZE=3 ><A HREF="#04HOU1670_3">QuickLinks</A></FONT>
<font size=3> -- Click here to rapidly navigate through this document</font>
<!-- TOC_END -->
<P ALIGN="RIGHT"><FONT SIZE=2><B>Exhibit&nbsp;10.2  </B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B> <A NAME="la1670_amended_and_restated_security___ame02389"> </A>
<A NAME="toc_la1670_1"> </A>
<BR>    AMENDED AND RESTATED<BR>  SECURITY AGREEMENT<BR>  </B></FONT><FONT SIZE=2>(Pledge and Assignment)    <BR></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>By
and among </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>UNIVERSAL
COMPRESSION INTERNATIONAL,&nbsp;INC.,<BR>
ENTERRA COMPRESSION INVESTMENT COMPANY,<BR>
UNIVERSAL COMPRESSION SERVICES, LLC,<BR>
UNIVERSAL COMPRESSION CANADIAN HOLDINGS,&nbsp;INC. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>and
</FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>WACHOVIA
BANK, NATIONAL ASSOCIATION,<BR>
formerly FIRST UNION NATIONAL BANK, as US Administrative Agent </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>October&nbsp;25,
2004 </FONT></P>

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=1,SEQ=1,EFW="2146105",CP="UNIVERSAL COMPRESSION HOLDINGS",DN="3",CHK=333430,FOLIO='blank',FILE='DISK016:[04HOU0.04HOU1670]LA1670A.;10',USER='ARILEY',CD=';5-NOV-2004;09:54' -->
<A NAME="page_la1670_1_1"> </A>
<P ALIGN="CENTER"><FONT SIZE=2><B>AMENDED AND RESTATED SECURITY AGREEMENT</B></FONT><FONT SIZE=2><BR>
(Pledge and Assignment) </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;THIS
AMENDED AND RESTATED SECURITY AGREEMENT (this "</FONT><FONT SIZE=2><B><I>Agreement</I></B></FONT><FONT SIZE=2>") is made as of October&nbsp;25, 2004 from UNIVERSAL COMPRESSION
INTERNATIONAL,&nbsp;INC., a Delaware corporation, ENTERRA COMPRESSION INVESTMENT COMPANY, a Delaware corporation, UNIVERSAL COMPRESSION SERVICES, LLC, a Delaware limited liability company, and
UNIVERSAL COMPRESSION CANADIAN HOLDINGS,&nbsp;INC., a Delaware corporation with principal offices at 4444 Brittmoore Road, Houston, Texas 77041 (collectively
"</FONT><FONT SIZE=2><B><I>Pledgor</I></B></FONT><FONT SIZE=2>"); and WACHOVIA BANK, NATIONAL ASSOCIATION, formerly FIRST UNION NATIONAL BANK, with offices at 301 South College Street, Charlotte, North
Carolina 28288, as US Administrative Agent (in such capacity, the "</FONT><FONT SIZE=2><B><I>Secured Party</I></B></FONT><FONT SIZE=2>") for the several banks now or hereafter parties to the hereinafter
defined Credit Agreement (individually, a "</FONT><FONT SIZE=2><B><I>Lender</I></B></FONT><FONT SIZE=2>" and collectively, the "</FONT><FONT SIZE=2><B><I>Lenders</I></B></FONT><FONT SIZE=2>"). </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B><I>RECITALS</I></B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A.&nbsp;&nbsp;&nbsp;&nbsp;On
even date herewith, Secured Party, UNIVERSAL COMPRESSION,&nbsp;INC., a Texas corporation (the "</FONT><FONT SIZE=2><B><I>Company</I></B></FONT><FONT SIZE=2>"), UNIVERSAL
COMPRESSION (ONTARIO)&nbsp;LTD. (the "</FONT><FONT SIZE=2><B><I>Canadian Company</I></B></FONT><FONT SIZE=2>") and the Lenders are executing an Amended and Restated Senior Secured Revolving Credit
Agreement (such agreement, as may from time to time be amended, supplemented or restated, being hereinafter called the "</FONT><FONT SIZE=2><B><I>Credit Agreement</I></B></FONT><FONT SIZE=2>") pursuant to
which, upon the terms and conditions stated therein, the Lenders agree to make loans to and extend credit on behalf of the Company and the Canadian Borrower, up to the aggregate maximum principal
amount of $125,000,000, which Credit Agreement amends and restates that certain Senior Secured Revolving Credit Agreement dated as of February&nbsp;9, 2001 among the Company, the Lenders from time
to time party thereto and the Secured Party as Administrative Agent for the Lenders. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.&nbsp;&nbsp;&nbsp;&nbsp;On
February&nbsp;9, 2001, Universal Compression International,&nbsp;Inc. ("UCII") and the Secured Party entered into a certain Security Agreement (Pledge and
Assignment) (as amended, modified or restated, the "</FONT><FONT SIZE=2><B><I>Original Security Agreement</I></B></FONT><FONT SIZE=2>") whereby UCII pledged certain assets as security for the Credit
Agreement. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.&nbsp;&nbsp;&nbsp;&nbsp;The
Company, UCII, Pledgor, the Lenders and the Secured Party mutually desire to amend and restate the Original Security Agreement in its entirety to, among other things,
add three additional subsidiaries of the Company as pledgors hereunder. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.&nbsp;&nbsp;&nbsp;&nbsp;The
Lenders have conditioned their obligations under the Credit Agreement upon the execution and delivery by Pledgor of this Agreement, and Pledgor has agreed to enter
into this Agreement. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.&nbsp;&nbsp;&nbsp;&nbsp;Therefore,
in order to comply with the terms and conditions of the Credit Agreement and for other good and valuable consideration, the receipt and sufficiency of which
are hereby acknowledged, Pledgor hereby agrees with Secured Party as follows: </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B><I>ARTICLE 1  </I></B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B><I> SECURITY INTEREST  </I></B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;1.01</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Pledge.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Pledgor hereby pledges, assigns and grants to Secured Party a security interest in
and right of set-off against the assets referred to in Section&nbsp;1.02 (the "</FONT><FONT SIZE=2><B><I>Collateral</I></B></FONT><FONT SIZE=2>") to secure the prompt payment and performance
of the "</FONT><FONT SIZE=2><B><I>Obligations</I></B></FONT><FONT SIZE=2>" (as defined in Section&nbsp;2.02) and the performance by Pledgor of this Agreement. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>1</FONT></P>

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=2,SEQ=2,EFW="2146105",CP="UNIVERSAL COMPRESSION HOLDINGS",DN="3",CHK=963781,FOLIO='1',FILE='DISK016:[04HOU0.04HOU1670]LA1670A.;10',USER='ARILEY',CD=';5-NOV-2004;09:54' -->
<A NAME="page_la1670_1_2"> </A>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;1.02</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Collateral.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;The Collateral consists of the following types or items of property which are
owned by Pledgor: </FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;&nbsp;&nbsp;The
securities described or referred to in </FONT><FONT SIZE=2><B><I>Exhibit&nbsp;A</I></B></FONT><FONT SIZE=2> attached hereto and made a part hereof; and </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;&nbsp;&nbsp;(i)&nbsp;the
certificates or instruments, if any, representing such securities, (ii)&nbsp;all dividends (cash, stock or otherwise), cash, instruments, rights to
subscribe, purchase or sell and all other rights and property from time to time received, receivable or otherwise distributed in respect of or in exchange for any or all of such securities,
(iii)&nbsp;all replacements, additions to and substitutions for any of the property referred to in this Section&nbsp;1.02, including, without limitation, claims against third parties,
(iv)&nbsp;the proceeds, interest, profits and other income of or on any of the property referred to in this Section&nbsp;1.02, and (v)&nbsp;all books and records relating to any of the property
referred to in this Section&nbsp;1.02. </FONT></P>

</UL>

<P><FONT SIZE=2>It
is expressly contemplated that additional securities or other property may from time to time be pledged, assigned or granted to Secured Party as additional security for the Obligations, and the
term "</FONT><FONT SIZE=2><B><I>Collateral</I></B></FONT><FONT SIZE=2>" as used herein shall be deemed for all purposes hereof to include all such additional securities and property, together with all other
property of the types described above related thereto; </FONT> <FONT SIZE=2><I>provided, however,</I></FONT><FONT SIZE=2> that in no event shall the term "Collateral" include more than 65% of the issued and outstanding shares of stock, membership
interests or other equity interests of any Foreign Subsidiary. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;1.03</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Transfer of Collateral.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;All certificates or instruments representing or evidencing the
Pledged Securities shall be delivered to and held pursuant hereto by Secured Party or a Person designated by Secured Party and shall be in suitable form for transfer by delivery, or shall be
accompanied by duly executed instruments of transfer or assignment in blank, or (in the case of certificated securities) Secured Party shall have been provided with evidence that the Pledged
Securities have been otherwise transferred to Secured Party in accordance with Section&nbsp;8-301 of the Code, all in form and substance satisfactory to Secured Party. Notwithstanding
the preceding sentence, at Secured Party's discretion, all Pledged Securities must be delivered or transferred in such manner as to permit Secured Party to be a "protected purchaser" to the extent of
its security interest as provided in Section&nbsp;8-303 of the Code. Secured Party shall have the right, at any time in its discretion and without notice to Pledgor, to transfer to
Secured Party or any of its nominees any or all of the Pledged Securities, subject only to the revocable rights specified in Section&nbsp;6.06. In addition, Secured Party shall have the right at any
time to exchange certificates or instruments representing or evidencing Pledged Securities for certificates or instruments of smaller or larger denominations. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B><I>ARTICLE 2  </I></B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B><I> DEFINITIONS  </I></B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;2.01</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Terms Defined Above.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;As used in this Agreement, the terms defined above shall have the
meanings respectively assigned to them. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;2.02</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Certain Definitions.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;As used in this Agreement, the following terms shall have the following
meanings, unless the context otherwise requires: </FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"</FONT><FONT
SIZE=2><I>Agreement</I></FONT><FONT SIZE=2>" means this Security Agreement, as the same may from time to time be amended or supplemented. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"</FONT><FONT
SIZE=2><I>Code</I></FONT><FONT SIZE=2>" means the Uniform Commercial Code as presently in effect in the State of Texas. Unless otherwise indicated by the context herein,
all uncapitalized terms which are defined in the Code shall have their respective meanings as used in Articles&nbsp;8 and 9 of the Code. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"</FONT><FONT
SIZE=2><I>Event of Default</I></FONT><FONT SIZE=2>" means any event specified in Section&nbsp;6.01. </FONT></P>

</UL>
<P ALIGN="CENTER"><FONT SIZE=2>2</FONT></P>

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=3,SEQ=3,EFW="2146105",CP="UNIVERSAL COMPRESSION HOLDINGS",DN="3",CHK=662311,FOLIO='2',FILE='DISK016:[04HOU0.04HOU1670]LA1670A.;10',USER='ARILEY',CD=';5-NOV-2004;09:54' -->
<A NAME="page_la1670_1_3"> </A>
<UL>
<BR>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"</FONT><FONT
SIZE=2><I>Obligations</I></FONT><FONT SIZE=2>" means the collective reference to (a)&nbsp;all obligations of the Company and the Canadian Borrower under the Loan
Documents, including, without limitation, the unpaid principal of and interest on the Loans and the LC Exposure and all other obligations and liabilities of the Company and the Canadian Borrower
(including, without limitation, interest accruing at the then applicable rate provided in the Credit Agreement after the maturity of the Loans and the LC Exposure and interest accruing at the then
applicable rate provided in the Credit Agreement after the filing of any petition in bankruptcy, or the commencement of any insolvency, reorganization or like proceeding, relating to the Company or
the Canadian Borrower, whether or not a claim for postfiling or post-petition interest is allowed in such proceeding) to the Secured Party or any Lender (or, in the case of any Hedge
Agreement referred to below, any Lender Affiliate), whether direct or indirect, absolute or contingent, due or to become due, or now existing or hereafter incurred, which may arise under, out of, or
in connection with, the Credit Agreement, this Agreement, the other Loan Documents or any Hedge Agreement entered into by the Company or the Canadian Borrower with any Lender (or any Lender Affiliate)
or any other document made, delivered or given in connection therewith, in each case whether on account of principal, interest, reimbursement obligations, fees, indemnities, costs, expenses or
otherwise (including, without limitation, all fees and disbursements of counsel to the Secured Party or to the Lenders that are required to be paid by the Company or the Canadian Borrower pursuant to
the terms of any of the foregoing agreements), and (b)&nbsp;all obligations of Pledgor which may arise under or in connection with this Agreement or any other Loan Document to which Pledgor is a
party. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
term "Obligations" shall mean all indebtedness, obligations and liabilities described, referred to or mentioned in paragraphs&nbsp;(a) and (b) of this definition, and all renewals,
rearrangements, increases, substitutions and extensions for any period thereof and amendments, supplements or modifications thereto, in whole or in part. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"</FONT><FONT
SIZE=2><I>Obligor</I></FONT><FONT SIZE=2>" means any Person, other than Pledgor, liable (whether directly or indirectly, primarily or secondarily) for the payment or
performance of any of the Obligations whether as maker, co-maker, endorser, guarantor, accommodation party, general partner or otherwise. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"</FONT><FONT
SIZE=2><I>Pledged Securities</I></FONT><FONT SIZE=2>" means all of the securities and other property (whether or not the same constitutes a "security" under the Code)
referred to in Section&nbsp;1.02 and all additional securities (as that term is defined in the Code), if any, constituting Collateral under this Agreement. </FONT></P>

</UL>
<P ALIGN="CENTER"><FONT SIZE=2><B><I>ARTICLE 3  </I></B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B><I> REPRESENTATIONS AND WARRANTIES  </I></B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In order to induce Secured Party to accept this Agreement, Pledgor represents and warrants to Secured Party (which representations and warranties will survive the
creation and payment of the Obligations) that: </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;3.01</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Ownership of Collateral; Encumbrances.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Except as otherwise permitted by the Credit
Agreement, Pledgor is the record and beneficial owner of the Collateral free and clear of any adverse claim, lien, security interest, option or other charge or encumbrance except for the security
interest created by this Agreement, and Pledgor has full right, power and authority to pledge, assign and grant a security interest in the Collateral to Secured Party. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;3.02</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;No Required Consent.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;No authorization, consent, approval or other action by, and no notice
to or filing with, any governmental authority or regulatory body (other than the filing of financing statements) is required for (i)&nbsp;the due execution, delivery and performance by Pledgor of
this Agreement, (ii)&nbsp;the grant by Pledgor of the security interest granted by this Agreement, (iii)&nbsp;the perfection of such security interest, or (iv)&nbsp;the exercise by Secured Party
of its rights and remedies under this Agreement. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>3</FONT></P>

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=4,SEQ=4,EFW="2146105",CP="UNIVERSAL COMPRESSION HOLDINGS",DN="3",CHK=222884,FOLIO='3',FILE='DISK016:[04HOU0.04HOU1670]LA1670A.;10',USER='ARILEY',CD=';5-NOV-2004;09:54' -->
<A NAME="page_la1670_1_4"> </A>
<BR>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;3.03</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Pledged Securities.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;The Pledged Securities pledged by Pledgor collectively constitute the
percentage of the issued and outstanding shares of common stock of the issuers thereof set forth on </FONT><FONT SIZE=2><B><I>Exhibit&nbsp;A.</I></B></FONT><FONT SIZE=2> The Pledged Securities have been
duly authorized and validly issued, and are fully paid and non-assessable. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;3.04</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;First Priority Security Interest.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;The pledge of Pledged Securities pursuant to this
Agreement creates a valid and perfected first priority security interest in the Collateral, enforceable against Pledgor and all third parties and securing payment of the Obligations. </FONT></P>


<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;3.05</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Collateral.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;All statements or other information provided by Pledgor to Secured Party
describing or with respect to the Collateral is or (in the case of subsequently furnished information) will be when provided correct and complete in all material respects. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B><I>ARTICLE 4  </I></B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B><I> COVENANTS AND AGREEMENTS  </I></B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pledgor will at all times comply with the covenants and agreements contained in this Article&nbsp;4, from the date hereof and for so long as any part of the
Obligations are outstanding. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.01</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Sale, Disposition or Encumbrance of Collateral.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Except as otherwise permitted by the Credit
Agreement, Pledgor will not in any way encumber any of the Collateral (or permit or suffer any of the Collateral to be encumbered) or sell, pledge, assign, lend or otherwise dispose of or transfer any
of the Collateral to or in favor of any Person other than Secured Party. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.02</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Voting Rights; Dividends or Distributions.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;So long as no Event of Default shall have
occurred and be continuing: </FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;&nbsp;&nbsp;Pledgor
shall be entitled to exercise any and all voting, management and/or other consensual rights and powers inuring to an owner of the Collateral or any part thereof
for any purpose consistent with the terms of this Agreement and the other Loan Documents. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;&nbsp;&nbsp;Pledgor
shall be entitled to receive and retain any and all dividends and interest paid in respect of the Collateral, </FONT><FONT SIZE=2><I>provided,
however,</I></FONT><FONT SIZE=2> that any and all </FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;&nbsp;dividends
and interest paid or payable other than in cash in respect of, and instruments and other property received, receivable or otherwise distributed in respect of,
or in exchange for (including, without limitation, any certificate, share or interest purchased or exchanged in connection with a tender offer or merger agreement), any Collateral, </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)&nbsp;&nbsp;dividends
and other distributions paid or payable in cash in respect of any Collateral in connection with a partial or total liquidation or dissolution or in connection
with a reduction of capital, capital surplus or paid-in surplus, or reclassification, and </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii)&nbsp;&nbsp;cash
paid, payable or otherwise distributed in respect of principal of, or in redemption of, or in exchange for, any Collateral, </FONT></P>

</UL>
</UL>

<P><FONT SIZE=2>shall
be, and shall be promptly delivered to Secured Party to hold as, Collateral and shall, if received by Pledgor, be received in trust for the benefit of Secured Party, be segregated from the other
property or funds of Pledgor, and be promptly delivered to Secured Party as Collateral in the same form as so received (with any necessary endorsement). </FONT></P>


<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.03</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Records and Information.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Pledgor shall keep accurate and complete records of the Collateral
(including proceeds, payments, distributions, income and profits). Pledgor will promptly provide written notice to Secured Party of all information which in any way relates to or affects the filing of
any financing statement or other public notices or recordings, or the delivery and possession of items of Collateral for the purpose of perfecting a security interest in the Collateral. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>4</FONT></P>

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=5,SEQ=5,EFW="2146105",CP="UNIVERSAL COMPRESSION HOLDINGS",DN="3",CHK=172786,FOLIO='4',FILE='DISK016:[04HOU0.04HOU1670]LA1670A.;10',USER='ARILEY',CD=';5-NOV-2004;09:54' -->
<A NAME="page_la1670_1_5"> </A>
<BR>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.04</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Certain Liabilities.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Pledgor hereby assumes all liability for the Collateral, the security
interest created hereunder and any use, possession, maintenance, management, enforcement or collection of any or all of the Collateral. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.05</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Further Assurances.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Upon the request of Secured Party, Pledgor shall (at Pledgor's expense)
execute and deliver all such assignments, certificates, instruments, securities, notifications to financial intermediaries, clearing corporations, issuers of securities or other third parties or other
documents and give further assurances and do all other acts and things as Secured Party may reasonably request to perfect Secured Party's interest in the Collateral or to protect, enforce or otherwise
effect Secured Party's rights and remedies hereunder. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;4.06</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Rights to Sell.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;If Secured Party shall determine to exercise its rights to sell all or any
of the Collateral pursuant to its rights hereunder, Pledgor agrees, at its own expense, to use its best efforts to do or cause to be done all such acts and things as may be necessary to make such sale
of the Collateral or any part thereof valid and binding and in compliance with applicable law. Pledgor further acknowledges the impossibility of ascertaining the amount of damages which would be
suffered by Secured Party by reason of the failure by Pledgor to perform any of the covenants contained in this Section&nbsp;4.06 and consequently agrees that if Pledgor shall fail to perform any of
such covenants, it shall pay, as liquidated damages, and not as penalty, an amount (in no event to exceed the amount of Obligations then outstanding) equal to the value of the Collateral on the date
the Secured Party shall demand compliance with this Section&nbsp;4.06. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B><I>ARTICLE 5  </I></B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B><I> RIGHTS, DUTIES AND POWERS OF SECURED PARTY  </I></B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following rights, duties and powers of Secured Party are applicable irrespective of whether an Event of Default occurs and is continuing: </FONT></P>


<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;5.01</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Discharge Encumbrances.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Secured Party may, at its option, discharge any taxes, liens,
security interests or other encumbrances at any time levied or placed on the Collateral. Pledgor agrees to reimburse Secured Party upon demand for any payment so made, plus interest thereon from the
date of Secured Party's demand at the Post-Default Rate. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;5.02</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Transfer of Collateral.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Subject to the terms of the Credit Agreement, Secured Party may
transfer any or all of the Obligations, and upon any such transfer Secured Party may transfer its interest in any or all of the Collateral and shall be fully discharged thereafter from all liability
therefor. Any transferee of the Collateral shall be vested with all rights, powers and remedies of Secured Party hereunder. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;5.03</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Cumulative and Other Rights.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;The rights, powers and remedies of Secured Party hereunder are
in addition to all rights, powers and remedies given by law or in equity. The exercise by Secured Party of any one or more of the rights, powers and remedies herein shall not be construed as a waiver
of any other rights, powers and remedies, including, without limitation, any other rights of set-off. If any of the Obligations are given in renewal, extension for any period or
rearrangement, or applied toward the payment of debt secured by any lien, Secured Party shall be, and is hereby, subrogated (to the maximum extent permitted by law) to all the rights, titles,
interests and liens securing the debt so renewed, extended, rearranged or paid. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;5.04</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Disclaimer of Certain Duties.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;The powers conferred upon Secured Party by this Agreement are
to protect its interest in the Collateral and shall not impose any duty upon Secured Party to exercise any such powers. Pledgor hereby agrees that Secured Party shall not be liable for, nor shall the
indebtedness evidenced by the Obligations be diminished by, Secured Party's delay or failure to collect upon, foreclose, sell, take possession of or otherwise obtain value for the Collateral. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>5</FONT></P>

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=6,SEQ=6,EFW="2146105",CP="UNIVERSAL COMPRESSION HOLDINGS",DN="3",CHK=922935,FOLIO='5',FILE='DISK016:[04HOU0.04HOU1670]LA1670A.;10',USER='ARILEY',CD=';5-NOV-2004;09:54' -->
<A NAME="page_la1670_1_6"> </A>
<BR>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;5.05</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Custody and Preservation of the Collateral.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Secured Party shall be deemed to have exercised
reasonable care in the custody and preservation of the Collateral in its possession if the Collateral is
accorded treatment substantially equal to that which comparable secured parties accord comparable collateral, it being understood and agreed, however, that Secured Party shall not have responsibility
for (i)&nbsp;ascertaining or taking action with respect to calls, conversions, exchanges, maturities, tenders or other matters relative to any Collateral, whether or not Secured Party has or is
deemed to have knowledge of such matters, or (ii)&nbsp;taking any necessary steps to preserve rights against Persons or entities with respect to any Collateral. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B><I>ARTICLE 6  </I></B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B><I> EVENTS OF DEFAULT  </I></B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;6.01</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Events.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;An "Event of Default" as defined in the Credit Agreement) which has occurred and is
continuing shall constitute an Event of Default under this Agreement. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;6.02</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Remedies.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Upon the occurrence and during the continuance of any Event of Default, Secured
Party may take any or all of the following actions without notice or demand to Pledgor: </FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;&nbsp;&nbsp;Subject
to applicable provisions contained in the Credit Agreement, declare all or part of the indebtedness pursuant to the Obligations immediately due and payable and
enforce payment of the same by Pledgor or any Obligor. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;&nbsp;&nbsp;Sell,
in one or more sales and in one or more parcels, or otherwise dispose of any or all of the Collateral in any commercially reasonable manner as Secured Party may
elect, in a public or private transaction, at any location as deemed reasonable by Secured Party either for cash or credit or for future delivery at such price as Secured Party may deem fair, and
(unless prohibited by the Code, as adopted in any applicable jurisdiction) Secured Party may be the purchaser of any or all Collateral so sold and may apply upon the purchase price therefor any
Obligations secured hereby. Any such sale or transfer by Secured Party either to itself or to any other Person shall be absolutely free from any claim of right by Pledgor, including any equity or
right of redemption, stay or appraisal which Pledgor has or may have under any rule of law, regulation or statute now existing or hereafter adopted. Upon any such sale or transfer, Secured Party shall
have the right to deliver, assign and transfer to the purchaser or transferee thereof the Collateral so sold or transferred. If Secured Party deems it advisable to do so, it may restrict the bidders
or purchasers of any such sale or transfer to Persons or entities who will represent and agree that they are purchasing the Collateral for their own account and not with the view to the distribution
or resale of any of the Collateral. Secured Party may, at its discretion, provide for a public sale, and any such public sale shall be held at such time or times within ordinary business hours and at
such place or places as Secured Party may fix in the notice of such sale. Secured Party shall not be obligated to make any sale pursuant to any such notice. Secured Party may, without notice or
publication, adjourn any public or private sale by announcement at any time and place fixed for such sale, and such sale may be made at any time or place to which the same may be so adjourned. In the
event any sale or transfer hereunder is not completed or is defective in the opinion of Secured Party, such sale or transfer shall not exhaust the rights of Secured Party hereunder, and Secured Party
shall have the right to cause one or more subsequent sales or transfers to be made hereunder. If only part of the Collateral is sold or transferred such that the Obligations remain outstanding (in
whole or in part), Secured Party's rights and remedies hereunder shall not be exhausted, waived or modified, and Secured Party is specifically empowered to make one or more successive sales or
transfers until all the Collateral shall be sold or transferred and all the Obligations are paid. In the event that Secured Party elects not to sell the Collateral, Secured Party retains its rights to
dispose of or utilize the Collateral or any part or </FONT></P>

</UL>
<P ALIGN="CENTER"><FONT SIZE=2>6</FONT></P>

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=7,SEQ=7,EFW="2146105",CP="UNIVERSAL COMPRESSION HOLDINGS",DN="3",CHK=730015,FOLIO='6',FILE='DISK016:[04HOU0.04HOU1670]LA1670A.;10',USER='ARILEY',CD=';5-NOV-2004;09:54' -->
<A NAME="page_la1670_1_7"> </A>
<UL>
<BR>

<P><FONT SIZE=2>parts
thereof in any manner authorized or permitted by law or in equity, and to apply the proceeds of the same towards payment of the Obligations. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;&nbsp;&nbsp;Apply
proceeds of the disposition of the Collateral to the Obligations in any manner elected by Secured Party and permitted by the Code or otherwise permitted by law or
in equity. Such application may include, without limitation, the reasonable attorneys' fees and legal expenses incurred by Secured Party. </FONT></P>


<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;&nbsp;&nbsp;Appoint
any Person as agent to perform any act or acts necessary or incident to any sale or transfer by Secured Party of the Collateral. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;&nbsp;&nbsp;Receive,
change the address for delivery, open and dispose of mail addressed to Pledgor, and to execute, assign and endorse negotiable and other instruments for the
payment of money, documents of title or other evidences of payment, shipment or storage for any form of Collateral on behalf of and in the name of Pledgor. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;&nbsp;&nbsp;&nbsp;Exercise
all other rights and remedies permitted by law or in equity. </FONT></P>

</UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;6.03</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Attorney-in-Fact.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Pledgor hereby irrevocably appoints Secured Party
as Pledgor's attorney-in-fact, with full authority in the place and stead of Pledgor and in the name of Pledgor or otherwise, from time to time in Secured Party's discretion
upon the occurrence and during the continuance of an Event of Default, but at Pledgor's cost and expense and without notice to Pledgor, to take any action and to execute any assignment, certificate,
stock power, notification, document or instrument which Secured Party may deem necessary or advisable to accomplish the purposes of this Agreement, including, without limitation, to receive, endorse
and collect all instruments made payable to Pledgor representing any dividend, interest payment or other distribution in respect of the Collateral or any part thereof and to give full discharge for
the same. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;6.04</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Liability for Deficiency.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;If any sale or other disposition of Collateral by Secured Party in
compliance with the Loan Documents and applicable law or any other action of Secured Party hereunder in compliance with the Loan Documents and applicable law results in reduction of the Obligations,
such action will not release Pledgor from its liability to Secured Party for any unpaid Obligations, including costs, charges and expenses incurred in the liquidation of Collateral, together with
interest thereon, and the same shall be immediately due and payable to Secured Party at Secured Party's address set forth in the opening paragraph hereof. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;6.05</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Reasonable Notice.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;If any applicable provision of any law requires Secured Party to give
reasonable notice of any sale or disposition or other action, Pledgor hereby agrees that ten days' prior written notice shall constitute reasonable notice thereof. Such notice, in the case of public
sale, shall state the time and place fixed for such sale and, in the case of private sale, the time after which such sale is to be made. </FONT></P>


<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;6.06</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Pledged Securities.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Upon the occurrence and during the continuance of an Event of Default: </FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;&nbsp;&nbsp;All
rights of Pledgor to receive the dividends and interest payments which it would otherwise be authorized to receive and retain pursuant to Section&nbsp;4.02 shall
cease, and all such rights shall thereupon become vested in Secured Party who shall thereupon have the sole right to receive and hold as Collateral such dividends and interest payments, but Secured
Party shall have no duty to receive and hold such dividends and interest payments and shall not be responsible for any failure to do so or delay in so doing. </FONT></P>


<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;&nbsp;&nbsp;All
dividends and interest payments which are received by Pledgor contrary to the provisions of this Section&nbsp;6.06 shall be received in trust for the benefit of
Secured Party, shall be segregated from other funds of Pledgor and shall be promptly paid over to Secured Party as Collateral in the same form as so received (with any necessary indorsement). </FONT></P>

</UL>
<P ALIGN="CENTER"><FONT SIZE=2>7</FONT></P>

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=8,SEQ=8,EFW="2146105",CP="UNIVERSAL COMPRESSION HOLDINGS",DN="3",CHK=398017,FOLIO='7',FILE='DISK016:[04HOU0.04HOU1670]LA1670A.;10',USER='ARILEY',CD=';5-NOV-2004;09:54' -->
<A NAME="page_la1670_1_8"> </A>
<UL>
<BR>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;&nbsp;&nbsp;Secured
Party may exercise any and all rights of conversion, exchange, subscription or any other rights, privileges or options pertaining to any of the Pledged
Securities as if it were the absolute owner thereof, including without limitation, the right to exchange at its discretion, any and all of the Pledged Securities upon the merger, consolidation,
reorganization, recapitalization or other readjustment of any issuer of such Pledged Securities or upon the exercise by any such issuer or Secured Party of any right, privilege or option pertaining to
any of the Pledged Securities and in connection therewith, to deposit and deliver any and all of the Pledged Securities with any committee, depository, transfer agent, registrar or other designated
agency upon such terms and conditions as it may determine, all without liability except to account for property actually received by it, but Secured Party shall have no duty to exercise any of the
aforesaid rights, privileges or options and shall not be responsible for any failure to do so or delay in so doing. </FONT></P>

</UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;6.07</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Non-judicial Enforcement.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;To the extent permitted by law, Secured Party may
enforce its rights hereunder without prior judicial process or judicial hearing, and to the extent permitted by law Pledgor expressly waives any and all legal rights which might otherwise require
Secured Party to enforce its rights by judicial process. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B><I>ARTICLE 7  </I></B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B><I> MISCELLANEOUS PROVISIONS  </I></B></FONT></P>


<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;7.01</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Notices.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Any notice required or permitted to be given under or in connection with this
Agreement shall be in writing and shall be mailed by first class or express mail, postage prepaid, or sent by telex, telegram, telecopy or other similar form of rapid written transmission or
personally delivered to the receiving party. All such communications shall be mailed, sent or delivered at the address respectively indicated in the opening paragraph hereof or at such other address
as either party may have furnished the other party in writing. Any communication so addressed and mailed shall be deemed to be given when so mailed, any notice so sent by rapid written transmission
shall be deemed to be given when receipt of such transmission is acknowledged by the receiving operator or equipment, and any communication so delivered in person shall be deemed to be given when
receipted for or actually received by Pledgor or Secured Party, as the case may be. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;7.02</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Amendments and Waivers.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Secured Party's acceptance of partial or delinquent payments or any
forbearance, failure or delay by Secured Party in exercising any right, power or remedy hereunder shall not be deemed a waiver of any obligation of Pledgor or any Obligor, or of any right, power or
remedy of Secured Party; and no partial exercise of any right, power or remedy shall preclude any other or further exercise thereof. Secured Party may remedy any Event of Default hereunder or in
connection with the Obligations without waiving the Event of Default so remedied. Pledgor hereby agrees that if Secured Party agrees to a waiver of any provision hereunder, or an exchange of or
release of the Collateral, or the addition or release of any Obligor or other Person, any such action shall not constitute a waiver of any of Secured Party's other rights or of Pledgor's obligations
hereunder. This Agreement may be amended only by an instrument in writing executed jointly by Pledgor and Secured Party and may be supplemented only by documents delivered or to be delivered in
accordance with the express terms hereof. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;7.03</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Copy as Financing Statement.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;A photocopy or other reproduction of this Agreement may be
delivered by Pledgor or Secured Party to any financial intermediary or other third party for the purpose of transferring or perfecting any or all of the Pledged Securities to Secured Party or its
designee or assignee. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;7.04</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Possession of Collateral.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;Secured Party shall be deemed to have possession of any Collateral
in transit to it or set apart for it (or, in either case, any of its agents, affiliates or correspondents). </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>8</FONT></P>

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=9,SEQ=9,EFW="2146105",CP="UNIVERSAL COMPRESSION HOLDINGS",DN="3",CHK=780323,FOLIO='8',FILE='DISK016:[04HOU0.04HOU1670]LA1670A.;10',USER='ARILEY',CD=';5-NOV-2004;09:54' -->
<A NAME="page_la1670_1_9"> </A>
<BR>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;7.05</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Redelivery of Collateral.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;If any sale or transfer of Collateral by Secured Party results in
full satisfaction of the Obligations, and after such sale or transfer and discharge there remains a surplus of proceeds, Secured Party will deliver to Pledgor such excess proceeds in a commercially
reasonable time; provided, however, that Secured Party shall not have any liability for any interest, cost or expense in connection with any delay in delivering such proceeds to Pledgor. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;7.06</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Governing Law; Jurisdiction.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;This Agreement and the security interest granted hereby shall
be construed in accordance with and governed by the laws of the State of Texas (except to the extent that the laws of any other jurisdiction govern the perfection and priority of the security
interests granted hereby). </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;7.07</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Continuing Security Agreement.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;</FONT></P>

<UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;&nbsp;&nbsp;Except
as may be expressly applicable pursuant to Sections&nbsp;9-620, 9-621 and 9-624 of the Code, no action taken or omission to
act by Secured Party hereunder, including, without limitation, any exercise of voting or consensual rights pursuant to Section&nbsp;4.08 or any other action taken or inaction pursuant to
Section&nbsp;6.02, shall be deemed to constitute a retention of the Collateral in satisfaction of the Obligations or otherwise to be in full satisfaction of the Obligations, and the Obligations
shall remain in full force and effect, until Secured Party shall have applied payments (including, without limitation, collections from Collateral) towards the Obligations in the full amount then
outstanding or until such subsequent time as is hereinafter provided in subsection&nbsp;(b) below. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;&nbsp;&nbsp;To
the extent that any payments on the Obligations or proceeds of the Collateral are subsequently invalidated, declared to be fraudulent or preferential, set aside or
required to be repaid to a trustee, debtor in possession, receiver or other Person under any bankruptcy law, common law or equitable cause, then to such extent the Obligations so satisfied shall be
revived and continue as if such payment or proceeds had not been received by Secured Party, and Secured Party's security interests, rights, powers and remedies hereunder shall continue in full force
and effect. In such event, this Agreement shall be automatically reinstated if it shall theretofore have been terminated pursuant to Section&nbsp;7.08. </FONT></P>

</UL>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;7.08</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Termination.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;The grant of a security interest hereunder and all of Secured Party's rights,
powers and remedies in connection therewith shall remain in full force and effect until Secured Party has (i)&nbsp;retransferred and delivered all Collateral in its possession to Pledgor, and
(ii)&nbsp;executed a written release or termination statement and reassigned to Pledgor without recourse or warranty any remaining Collateral and all rights conveyed hereby. Upon the complete
payment of the Obligations (other than any indemnity which is not yet due and payable) and the compliance by Pledgor with all covenants and agreements hereof, Secured Party, at the written request and
expense of Pledgor, will release, reassign and transfer the Collateral to Pledgor and declare this Agreement to be of no further force or effect. Notwithstanding the foregoing, the reimbursement and
indemnification provisions of Section&nbsp;4.04 and the provisions of subsection&nbsp;7.07(b) shall survive the termination of this Agreement. </FONT></P>


<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;7.09</FONT><FONT
SIZE=2><I>&nbsp;&nbsp;&nbsp;&nbsp;Counterparts; Effectiveness.</I></FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;This Agreement may be executed in two or more counterparts.
Each counterpart is deemed an original, but all such counterparts taken together constitute one and the same instrument. This Agreement becomes effective upon the execution hereof by Pledgor and
delivery of the same to Secured Party, and it is not necessary for Secured Party to execute any acceptance hereof or otherwise signify or express its acceptance hereof. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>[Signatures
begin next page] </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>9</FONT></P>

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=10,SEQ=10,EFW="2146105",CP="UNIVERSAL COMPRESSION HOLDINGS",DN="3",CHK=481312,FOLIO='9',FILE='DISK016:[04HOU0.04HOU1670]LA1670A.;10',USER='ARILEY',CD=';5-NOV-2004;09:54' -->
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="90%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="TOP">
<TD WIDTH="47%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD COLSPAN=2><FONT SIZE=2><I>PLEDGOR:</I></FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="47%"><FONT SIZE=2><I><BR>
&nbsp;</I></FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><I><BR>&nbsp;</I></FONT></TD>
<TD COLSPAN=2><BR><FONT SIZE=2>UNIVERSAL COMPRESSION INTERNATIONAL,&nbsp;INC., a Delaware corporation</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="47%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="4%"><FONT SIZE=2><BR>
By:</FONT></TD>
<TD WIDTH="46%"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>J. MICHAEL ANDERSON</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> J. Michael Anderson, Senior Vice President and Chief Financial Officer</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="47%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD COLSPAN=2><FONT SIZE=2><BR>
ENTERRA COMPRESSION INVESTMENT COMPANY, a Delaware corporation</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="47%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="4%"><FONT SIZE=2><BR>
By:</FONT></TD>
<TD WIDTH="46%"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>J. MICHAEL ANDERSON</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> J. Michael Anderson, Senior Vice President and Chief Financial Officer</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="47%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD COLSPAN=2><FONT SIZE=2><BR>
UNIVERSAL COMPRESSION SERVICES, LLC, a Delaware limited liability company</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="47%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="4%"><FONT SIZE=2><BR>
By:</FONT></TD>
<TD WIDTH="46%"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>J. MICHAEL ANDERSON</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> J. Michael Anderson, Senior Vice President and Chief Financial Officer</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="47%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD COLSPAN=2><FONT SIZE=2><BR>
UNIVERSAL COMPRESSION CANADIAN HOLDINGS,&nbsp;INC., a Delaware corporation</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="47%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="4%"><FONT SIZE=2><BR>
By:</FONT></TD>
<TD WIDTH="46%"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>J. MICHAEL ANDERSON</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> J. Michael Anderson, Senior Vice President and Chief Financial Officer</FONT></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=1,SEQ=11,EFW="2146105",CP="UNIVERSAL COMPRESSION HOLDINGS",DN="3",CHK=721373,FOLIO='blank',FILE='DISK016:[04HOU0.04HOU1670]LB1670A.;7',USER='ARILEY',CD=';5-NOV-2004;09:54' -->
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->
<P ALIGN="CENTER"><FONT SIZE=2><B><I>EXHIBIT&nbsp;"A"  </I></B></FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="100%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="BOTTOM">
<TH WIDTH="28%" ALIGN="LEFT"><FONT SIZE=1><B>Issuer<BR> </B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="28%" ALIGN="CENTER"><FONT SIZE=1><B>Owner</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="6%" ALIGN="CENTER"><FONT SIZE=1><B>Stock Cert.&nbsp;No.</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="13%" ALIGN="CENTER"><FONT SIZE=1><B>No. of Shares Pledged</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="15%" ALIGN="CENTER"><FONT SIZE=1><B>Percentage<BR>
of Issued<BR>
Stock Pledged</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
</TR>
<TR BGCOLOR="#CCEEFF" VALIGN="BOTTOM">
<TD WIDTH="28%" VALIGN="TOP"><FONT SIZE=2>Universal Compression International,&nbsp;Inc. (Delaware)</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="28%" VALIGN="TOP"><FONT SIZE=2>Universal Compression,&nbsp;Inc.</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="6%" ALIGN="RIGHT" VALIGN="TOP"><FONT SIZE=2>1</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="13%" ALIGN="RIGHT" VALIGN="TOP"><FONT SIZE=2>100</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="RIGHT" VALIGN="TOP"><FONT SIZE=2>100</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP"><FONT SIZE=2>%</FONT></TD>
</TR>
<TR BGCOLOR="White" VALIGN="TOP">
<TD WIDTH="28%"><FONT SIZE=2><BR>
Compressor Systems International,&nbsp;Inc. (Delaware)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression,&nbsp;Inc.</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%" ALIGN="RIGHT"><FONT SIZE=2><BR>
2</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="13%" ALIGN="RIGHT"><FONT SIZE=2><BR>
1,500</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="RIGHT"><FONT SIZE=2><BR>
100</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>%</FONT></TD>
</TR>
<TR BGCOLOR="#CCEEFF" VALIGN="TOP">
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression International&nbsp;Ltd. (Cayman Island)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression International,&nbsp;Inc.</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%" ALIGN="RIGHT"><FONT SIZE=2><BR>
4</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="13%" ALIGN="RIGHT"><FONT SIZE=2><BR>
65</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="RIGHT"><FONT SIZE=2><BR>
65</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>%</FONT></TD>
</TR>
<TR BGCOLOR="White" VALIGN="TOP">
<TD WIDTH="28%"><FONT SIZE=2><BR>
Compression Services de Mexico, S.A. de C.V. (Mexico)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression International,&nbsp;Inc.</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%" ALIGN="RIGHT"><FONT SIZE=2><BR>
1</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="13%" ALIGN="RIGHT"><FONT SIZE=2><BR>
97,500</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="RIGHT"><FONT SIZE=2><BR>
65</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>%</FONT></TD>
</TR>
<TR BGCOLOR="#CCEEFF" VALIGN="TOP">
<TD WIDTH="28%"><FONT SIZE=2><BR>
Enterra Compression Investment Company (Delaware)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression International,&nbsp;Inc.</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%" ALIGN="RIGHT"><FONT SIZE=2><BR>
4</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="13%" ALIGN="RIGHT"><FONT SIZE=2><BR>
1,002</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="RIGHT"><FONT SIZE=2><BR>
100</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>%</FONT></TD>
</TR>
<TR BGCOLOR="White" VALIGN="TOP">
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression de Mexico, S.A. de C.V. (Mexico)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression International,&nbsp;Inc.</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%" ALIGN="RIGHT"><FONT SIZE=2><BR>
3</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="13%" ALIGN="RIGHT"><FONT SIZE=2><BR>
32,500</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="RIGHT"><FONT SIZE=2><BR>
65</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>%</FONT></TD>
</TR>
<TR BGCOLOR="#CCEEFF" VALIGN="TOP">
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression de Venezuela Unicom, C.A. (Venezuela)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression International,&nbsp;Inc.</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%" ALIGN="RIGHT"><FONT SIZE=2><BR>
1</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="13%" ALIGN="RIGHT"><FONT SIZE=2><BR>
35,186,328</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="RIGHT"><FONT SIZE=2><BR>
65</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>%</FONT></TD>
</TR>
<TR BGCOLOR="White" VALIGN="TOP">
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression Canadian Holdings,&nbsp;Inc. (Delaware)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="28%"><FONT SIZE=2><BR>
Enterra Compression Investment Company</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%" ALIGN="RIGHT"><FONT SIZE=2><BR>
2</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="13%" ALIGN="RIGHT"><FONT SIZE=2><BR>
100</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="RIGHT"><FONT SIZE=2><BR>
100</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>%</FONT></TD>
</TR>
<TR BGCOLOR="#CCEEFF" VALIGN="TOP">
<TD WIDTH="28%"><FONT SIZE=2><BR>
UCO Compression Holding, L.L.C. (Delaware)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="28%"><FONT SIZE=2><BR>
Enterra Compression Investment Company</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%" ALIGN="RIGHT"><FONT SIZE=2><BR>
3</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="13%" ALIGN="RIGHT"><FONT SIZE=2><BR>
640</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="RIGHT"><FONT SIZE=2><BR>
64</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>%</FONT></TD>
</TR>
<TR BGCOLOR="White" VALIGN="TOP">
<TD WIDTH="28%"><FONT SIZE=2><BR>
UCO Compression Holding, L.L.C. (Delaware)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="28%"><FONT SIZE=2><BR>
Enterra Compression Investment Company</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%" ALIGN="RIGHT"><FONT SIZE=2><BR>
4</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="13%" ALIGN="RIGHT"><FONT SIZE=2><BR>
360</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="RIGHT"><FONT SIZE=2><BR>
36</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>%</FONT></TD>
</TR>
<TR BGCOLOR="#CCEEFF" VALIGN="TOP">
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression Services, LLC (Delaware)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="28%"><FONT SIZE=2><BR>
Enterra Compression Investment Company</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%" ALIGN="RIGHT"><FONT SIZE=2><BR>
6</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="13%" ALIGN="RIGHT"><FONT SIZE=2><BR>
3,600</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="RIGHT"><FONT SIZE=2><BR>
36</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>%</FONT></TD>
</TR>
<TR BGCOLOR="White" VALIGN="TOP">
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression Services, LLC (Delaware)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="28%"><FONT SIZE=2><BR>
Enterra Compression Investment Company</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%" ALIGN="RIGHT"><FONT SIZE=2><BR>
7</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="13%" ALIGN="RIGHT"><FONT SIZE=2><BR>
6,400</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="RIGHT"><FONT SIZE=2><BR>
64</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>%</FONT></TD>
</TR>
<TR BGCOLOR="#CCEEFF" VALIGN="TOP">
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression (Ontario)&nbsp;Ltd. (British Virgin Islands)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression Canadian Holdings,&nbsp;Inc.</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%" ALIGN="RIGHT"><FONT SIZE=2><BR>
5</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="13%" ALIGN="RIGHT"><FONT SIZE=2><BR>
46,216,501</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="RIGHT"><FONT SIZE=2><BR>
65</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>%</FONT></TD>
</TR>
<TR BGCOLOR="White" VALIGN="TOP">
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression (Thailand)&nbsp;Ltd. (Thailand)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression Services, LLC</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%" ALIGN="RIGHT"><FONT SIZE=2><BR>
25</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="13%" ALIGN="RIGHT"><FONT SIZE=2><BR>
25,996</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="RIGHT"><FONT SIZE=2><BR>
64.9999</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>%</FONT></TD>
</TR>
<TR BGCOLOR="#CCEEFF" VALIGN="TOP">
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression Services de Venezuela, C.A. (Venezuela)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression Services, LLC</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%" ALIGN="RIGHT"><FONT SIZE=2><BR>
1</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="13%" ALIGN="RIGHT"><FONT SIZE=2><BR>
2,317,657</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="RIGHT"><FONT SIZE=2><BR>
65</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>%</FONT></TD>
</TR>
<TR BGCOLOR="White" VALIGN="TOP">
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression (Australia) Pty Ltd (Australia)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="28%"><FONT SIZE=2><BR>
Universal Compression Services, LLC</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%" ALIGN="RIGHT"><FONT SIZE=2><BR>
2</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="13%" ALIGN="RIGHT"><FONT SIZE=2><BR>
65</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="RIGHT"><FONT SIZE=2><BR>
65</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>%</FONT></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=1,SEQ=12,EFW="2146105",CP="UNIVERSAL COMPRESSION HOLDINGS",DN="3",CHK=89366,FOLIO='blank',FILE='DISK016:[04HOU0.04HOU1670]LC1670A.;4',USER='ARILEY',CD=';5-NOV-2004;09:54' -->
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->
<BR>
<P><br><A NAME="04HOU1670_3">QuickLinks</A><br></P><!-- TOC_BEGIN -->
<FONT SIZE=2><A HREF="#toc_la1670_1">AMENDED AND RESTATED SECURITY AGREEMENT (Pledge and Assignment)</A></FONT><BR>
<!-- SEQ=,FILE='QUICKLINK',USER=ARILEY,SEQ=,EFW="2146105",CP="UNIVERSAL COMPRESSION HOLDINGS",DN="3" -->
<!-- TOCEXISTFLAG -->
</BODY>
</HTML>

</TEXT>
</DOCUMENT>
